diff options
Diffstat (limited to 'arch/arm/cpu')
72 files changed, 1452 insertions, 1823 deletions
diff --git a/arch/arm/cpu/arm1136/config.mk b/arch/arm/cpu/arm1136/config.mk index 9092d914f6..797d1229fe 100644 --- a/arch/arm/cpu/arm1136/config.mk +++ b/arch/arm/cpu/arm1136/config.mk @@ -31,6 +31,13 @@ PLATFORM_CPPFLAGS += -march=armv5 # ========================================================================= PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT) + +ifneq ($(CONFIG_IMX_CONFIG),) +ifdef CONFIG_SPL ifdef CONFIG_SPL_BUILD ALL-y += $(OBJTREE)/SPL endif +else +ALL-y += $(obj)u-boot.imx +endif +endif diff --git a/arch/arm/cpu/arm1136/omap24xx/timer.c b/arch/arm/cpu/arm1136/omap24xx/timer.c index 53015cb77d..3b6666b791 100644 --- a/arch/arm/cpu/arm1136/omap24xx/timer.c +++ b/arch/arm/cpu/arm1136/omap24xx/timer.c @@ -31,13 +31,16 @@ */ #include <common.h> +#include <asm/io.h> #include <asm/arch/bits.h> #include <asm/arch/omap2420.h> +#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV)) #define TIMER_LOAD_VAL 0 /* macro to read the 32 bit timer */ -#define READ_TIMER (*((volatile ulong *)(CONFIG_SYS_TIMERBASE+TCRR))) +#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+TCRR) \ + / (TIMER_CLOCK / CONFIG_SYS_HZ) DECLARE_GLOBAL_DATA_PTR; @@ -99,7 +102,8 @@ ulong get_timer_masked (void) gd->arch.tbl += (now - gd->arch.lastinc); } else { /* we have rollover of incrementer */ - gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now; + gd->arch.tbl += ((0xFFFFFFFF / (TIMER_CLOCK / CONFIG_SYS_HZ)) + - gd->arch.lastinc) + now; } gd->arch.lastinc = now; return gd->arch.tbl; diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S index a067b8a186..ccea2d5cb4 100644 --- a/arch/arm/cpu/arm1136/start.S +++ b/arch/arm/cpu/arm1136/start.S @@ -88,7 +88,11 @@ _end_vect: .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -100,13 +104,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start -.global _image_copy_end_ofs +.globl _image_copy_end_ofs _image_copy_end_ofs: - .word __image_copy_end - _start + .word __image_copy_end - _start .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -170,29 +174,24 @@ next: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -201,7 +200,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ @@ -235,8 +233,6 @@ fixnext: add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop - bx lr - #endif relocate_done: @@ -392,8 +388,9 @@ cpu_init_crit: str r0, [r13] @ save R0's value. ldr r0, IRQ_STACK_START_IN @ get data regions start str lr, [r0] @ save caller lr in position 0 of saved stack - mrs r0, spsr @ get the spsr + mrs lr, spsr @ get the spsr str lr, [r0, #4] @ save spsr in position 1 of saved stack + ldr lr, [r0] @ restore lr ldr r0, [r13] @ restore r0 add r13, r13, #4 @ pop stack entry .endm diff --git a/arch/arm/cpu/arm1136/u-boot-spl.lds b/arch/arm/cpu/arm1136/u-boot-spl.lds index a0462ab97a..8296e5db56 100644 --- a/arch/arm/cpu/arm1136/u-boot-spl.lds +++ b/arch/arm/cpu/arm1136/u-boot-spl.lds @@ -38,7 +38,7 @@ SECTIONS .text : { __start = .; - arch/arm/cpu/arm1136/start.o (.text) + arch/arm/cpu/arm1136/start.o (.text*) *(.text*) } >.sram @@ -57,6 +57,6 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } >.sdram } diff --git a/arch/arm/cpu/arm1176/bcm2835/Makefile b/arch/arm/cpu/arm1176/bcm2835/Makefile index 95da6a822a..135de42d37 100644 --- a/arch/arm/cpu/arm1176/bcm2835/Makefile +++ b/arch/arm/cpu/arm1176/bcm2835/Makefile @@ -17,7 +17,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o SOBJS := lowlevel_init.o -COBJS := init.o reset.o timer.o +COBJS := init.o reset.o timer.o mbox.o SRCS := $(SOBJS:.o=.c) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/arch/arm/cpu/arm1176/bcm2835/mbox.c b/arch/arm/cpu/arm1176/bcm2835/mbox.c new file mode 100644 index 0000000000..fd65e3387f --- /dev/null +++ b/arch/arm/cpu/arm1176/bcm2835/mbox.c @@ -0,0 +1,164 @@ +/* + * (C) Copyright 2012 Stephen Warren + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/mbox.h> + +#define TIMEOUT (100 * 1000) /* 100mS in uS */ + +int bcm2835_mbox_call_raw(u32 chan, u32 send, u32 *recv) +{ + struct bcm2835_mbox_regs *regs = + (struct bcm2835_mbox_regs *)BCM2835_MBOX_PHYSADDR; + ulong endtime = get_timer(0) + TIMEOUT; + u32 val; + + debug("time: %lu timeout: %lu\n", get_timer(0), endtime); + + if (send & BCM2835_CHAN_MASK) { + printf("mbox: Illegal mbox data 0x%08x\n", send); + return -1; + } + + /* Drain any stale responses */ + + for (;;) { + val = readl(®s->status); + if (val & BCM2835_MBOX_STATUS_RD_EMPTY) + break; + if (get_timer(0) >= endtime) { + printf("mbox: Timeout draining stale responses\n"); + return -1; + } + val = readl(®s->read); + } + + /* Wait for space to send */ + + for (;;) { + val = readl(®s->status); + if (!(val & BCM2835_MBOX_STATUS_WR_FULL)) + break; + if (get_timer(0) >= endtime) { + printf("mbox: Timeout waiting for send space\n"); + return -1; + } + } + + /* Send the request */ + + val = BCM2835_MBOX_PACK(chan, send); + debug("mbox: TX raw: 0x%08x\n", val); + writel(val, ®s->write); + + /* Wait for the response */ + + for (;;) { + val = readl(®s->status); + if (!(val & BCM2835_MBOX_STATUS_RD_EMPTY)) + break; + if (get_timer(0) >= endtime) { + printf("mbox: Timeout waiting for response\n"); + return -1; + } + } + + /* Read the response */ + + val = readl(®s->read); + debug("mbox: RX raw: 0x%08x\n", val); + + /* Validate the response */ + + if (BCM2835_MBOX_UNPACK_CHAN(val) != chan) { + printf("mbox: Response channel mismatch\n"); + return -1; + } + + *recv = BCM2835_MBOX_UNPACK_DATA(val); + + return 0; +} + +#ifdef DEBUG +void dump_buf(struct bcm2835_mbox_hdr *buffer) +{ + u32 *p; + u32 words; + int i; + + p = (u32 *)buffer; + words = buffer->buf_size / 4; + for (i = 0; i < words; i++) + printf(" 0x%04x: 0x%08x\n", i * 4, p[i]); +} +#endif + +int bcm2835_mbox_call_prop(u32 chan, struct bcm2835_mbox_hdr *buffer) +{ + int ret; + u32 rbuffer; + struct bcm2835_mbox_tag_hdr *tag; + int tag_index; + +#ifdef DEBUG + printf("mbox: TX buffer\n"); + dump_buf(buffer); +#endif + + ret = bcm2835_mbox_call_raw(chan, (u32)buffer, &rbuffer); + if (ret) + return ret; + if (rbuffer != (u32)buffer) { + printf("mbox: Response buffer mismatch\n"); + return -1; + } + +#ifdef DEBUG + printf("mbox: RX buffer\n"); + dump_buf(buffer); +#endif + + /* Validate overall response status */ + + if (buffer->code != BCM2835_MBOX_RESP_CODE_SUCCESS) { + printf("mbox: Header response code invalid\n"); + return -1; + } + + /* Validate each tag's response status */ + + tag = (void *)(buffer + 1); + tag_index = 0; + while (tag->tag) { + if (!(tag->val_len & BCM2835_MBOX_TAG_VAL_LEN_RESPONSE)) { + printf("mbox: Tag %d missing val_len response bit\n", + tag_index); + return -1; + } + /* + * Clear the reponse bit so clients can just look right at the + * length field without extra processing + */ + tag->val_len &= ~BCM2835_MBOX_TAG_VAL_LEN_RESPONSE; + tag = (void *)(((u8 *)tag) + sizeof(*tag) + tag->val_buf_size); + tag_index++; + } + + return 0; +} diff --git a/arch/arm/cpu/arm1176/bcm2835/timer.c b/arch/arm/cpu/arm1176/bcm2835/timer.c index d232d7e067..2edd6711da 100644 --- a/arch/arm/cpu/arm1176/bcm2835/timer.c +++ b/arch/arm/cpu/arm1176/bcm2835/timer.c @@ -23,7 +23,7 @@ int timer_init(void) return 0; } -ulong get_timer(ulong base) +ulong get_timer_us(ulong base) { struct bcm2835_timer_regs *regs = (struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR; @@ -31,6 +31,14 @@ ulong get_timer(ulong base) return readl(®s->clo) - base; } +ulong get_timer(ulong base) +{ + ulong us = get_timer_us(0); + us /= (1000000 / CONFIG_SYS_HZ); + us -= base; + return us; +} + unsigned long long get_ticks(void) { return get_timer(0); @@ -46,10 +54,10 @@ void __udelay(unsigned long usec) ulong endtime; signed long diff; - endtime = get_timer(0) + usec; + endtime = get_timer_us(0) + usec; do { - ulong now = get_timer(0); + ulong now = get_timer_us(0); diff = endtime - now; } while (diff >= 0); } diff --git a/arch/arm/cpu/arm1176/s3c64xx/Makefile b/arch/arm/cpu/arm1176/s3c64xx/Makefile deleted file mode 100644 index 266a0739ce..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (C) Copyright 2000-2003 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2008 -# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de> -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).o - -SOBJS = reset.o - -COBJS-$(CONFIG_S3C6400) += cpu_init.o speed.o -COBJS-y += timer.o init.o - -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) - -all: $(obj).depend $(START) $(LIB) - -$(LIB): $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/arch/arm/cpu/arm1176/s3c64xx/config.mk b/arch/arm/cpu/arm1176/s3c64xx/config.mk deleted file mode 100644 index 222d352b3a..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/config.mk +++ /dev/null @@ -1,34 +0,0 @@ -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# -PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float - -# Make ARMv5 to allow more compilers to work, even though its v6. -PLATFORM_CPPFLAGS += -march=armv5t -# ========================================================================= -# -# Supply options according to compiler version -# -# ========================================================================= -PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,\ - $(call cc-option,-malignment-traps,)) -PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT) diff --git a/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S b/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S deleted file mode 100644 index df88cba342..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400 - * - * Copyright (C) 2008 - * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <asm/arch/s3c6400.h> - - .globl mem_ctrl_asm_init -mem_ctrl_asm_init: - /* DMC1 base address 0x7e001000 */ - ldr r0, =ELFIN_DMC1_BASE - - ldr r1, =0x4 - str r1, [r0, #INDEX_DMC_MEMC_CMD] - - ldr r1, =DMC_DDR_REFRESH_PRD - str r1, [r0, #INDEX_DMC_REFRESH_PRD] - - ldr r1, =DMC_DDR_CAS_LATENCY - str r1, [r0, #INDEX_DMC_CAS_LATENCY] - - ldr r1, =DMC_DDR_t_DQSS - str r1, [r0, #INDEX_DMC_T_DQSS] - - ldr r1, =DMC_DDR_t_MRD - str r1, [r0, #INDEX_DMC_T_MRD] - - ldr r1, =DMC_DDR_t_RAS - str r1, [r0, #INDEX_DMC_T_RAS] - - ldr r1, =DMC_DDR_t_RC - str r1, [r0, #INDEX_DMC_T_RC] - - ldr r1, =DMC_DDR_t_RCD - ldr r2, =DMC_DDR_schedule_RCD - orr r1, r1, r2 - str r1, [r0, #INDEX_DMC_T_RCD] - - ldr r1, =DMC_DDR_t_RFC - ldr r2, =DMC_DDR_schedule_RFC - orr r1, r1, r2 - str r1, [r0, #INDEX_DMC_T_RFC] - - ldr r1, =DMC_DDR_t_RP - ldr r2, =DMC_DDR_schedule_RP - orr r1, r1, r2 - str r1, [r0, #INDEX_DMC_T_RP] - - ldr r1, =DMC_DDR_t_RRD - str r1, [r0, #INDEX_DMC_T_RRD] - - ldr r1, =DMC_DDR_t_WR - str r1, [r0, #INDEX_DMC_T_WR] - - ldr r1, =DMC_DDR_t_WTR - str r1, [r0, #INDEX_DMC_T_WTR] - - ldr r1, =DMC_DDR_t_XP - str r1, [r0, #INDEX_DMC_T_XP] - - ldr r1, =DMC_DDR_t_XSR - str r1, [r0, #INDEX_DMC_T_XSR] - - ldr r1, =DMC_DDR_t_ESR - str r1, [r0, #INDEX_DMC_T_ESR] - - ldr r1, =DMC1_MEM_CFG - str r1, [r0, #INDEX_DMC_MEMORY_CFG] - - ldr r1, =DMC1_MEM_CFG2 - str r1, [r0, #INDEX_DMC_MEMORY_CFG2] - - ldr r1, =DMC1_CHIP0_CFG - str r1, [r0, #INDEX_DMC_CHIP_0_CFG] - - ldr r1, =DMC_DDR_32_CFG - str r1, [r0, #INDEX_DMC_USER_CONFIG] - - /* DMC0 DDR Chip 0 configuration direct command reg */ - ldr r1, =DMC_NOP0 - str r1, [r0, #INDEX_DMC_DIRECT_CMD] - - /* Precharge All */ - ldr r1, =DMC_PA0 - str r1, [r0, #INDEX_DMC_DIRECT_CMD] - - /* Auto Refresh 2 time */ - ldr r1, =DMC_AR0 - str r1, [r0, #INDEX_DMC_DIRECT_CMD] - str r1, [r0, #INDEX_DMC_DIRECT_CMD] - - /* MRS */ - ldr r1, =DMC_mDDR_EMR0 - str r1, [r0, #INDEX_DMC_DIRECT_CMD] - - /* Mode Reg */ - ldr r1, =DMC_mDDR_MR0 - str r1, [r0, #INDEX_DMC_DIRECT_CMD] - - /* Enable DMC1 */ - mov r1, #0x0 - str r1, [r0, #INDEX_DMC_MEMC_CMD] - -check_dmc1_ready: - ldr r1, [r0, #INDEX_DMC_MEMC_STATUS] - mov r2, #0x3 - and r1, r1, r2 - cmp r1, #0x1 - bne check_dmc1_ready - nop - - mov pc, lr - - .ltorg diff --git a/arch/arm/cpu/arm1176/s3c64xx/init.c b/arch/arm/cpu/arm1176/s3c64xx/init.c deleted file mode 100644 index f113d8ed41..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/init.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * (C) Copyright 2012 Ashok Kumar Reddy Kourla - * ashokkourla2000@gmail.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include<common.h> - -int arch_cpu_init(void) -{ - icache_enable(); - - return 0; -} diff --git a/arch/arm/cpu/arm1176/s3c64xx/reset.S b/arch/arm/cpu/arm1176/s3c64xx/reset.S deleted file mode 100644 index eae572e4fd..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/reset.S +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (c) 2009 Samsung Electronics. - * Minkyu Kang <mk7.kang@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <asm/arch/s3c6400.h> - -.globl reset_cpu -reset_cpu: - ldr r1, =ELFIN_CLOCK_POWER_BASE - ldr r2, [r1, #SYS_ID_OFFSET] - ldr r3, =0xffff - and r2, r3, r2, lsr #12 - str r2, [r1, #SW_RST_OFFSET] -_loop_forever: - b _loop_forever diff --git a/arch/arm/cpu/arm1176/s3c64xx/speed.c b/arch/arm/cpu/arm1176/s3c64xx/speed.c deleted file mode 100644 index 11962acade..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/speed.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2002 - * David Mueller, ELSOFT AG, d.mueller@elsoft.ch - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * This code should work for both the S3C2400 and the S3C2410 - * as they seem to have the same PLL and clock machinery inside. - * The different address mapping is handled by the s3c24xx.h files below. - */ - -#include <common.h> -#include <asm/arch/s3c6400.h> - -#define APLL 0 -#define MPLL 1 -#define EPLL 2 - -/* ------------------------------------------------------------------------- */ -/* - * NOTE: This describes the proper use of this file. - * - * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL. - * - * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of - * the specified bus in HZ. - */ -/* ------------------------------------------------------------------------- */ - -static ulong get_PLLCLK(int pllreg) -{ - ulong r, m, p, s; - - switch (pllreg) { - case APLL: - r = APLL_CON_REG; - break; - case MPLL: - r = MPLL_CON_REG; - break; - case EPLL: - r = EPLL_CON0_REG; - break; - default: - hang(); - } - - m = (r >> 16) & 0x3ff; - p = (r >> 8) & 0x3f; - s = r & 0x7; - - return m * (CONFIG_SYS_CLK_FREQ / (p * (1 << s))); -} - -/* return ARMCORE frequency */ -ulong get_ARMCLK(void) -{ - ulong div; - - div = CLK_DIV0_REG; - - return get_PLLCLK(APLL) / ((div & 0x7) + 1); -} - -/* return FCLK frequency */ -ulong get_FCLK(void) -{ - return get_PLLCLK(APLL); -} - -/* return HCLK frequency */ -ulong get_HCLK(void) -{ - ulong fclk; - - uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1; - uint hclk_div = ((CLK_DIV0_REG >> 8) & 0x1) + 1; - - /* - * Bit 7 exists on s3c6410, and not on s3c6400, it is reserved on - * s3c6400 and is always 0, and it is indeed running in ASYNC mode - */ - if (OTHERS_REG & 0x80) - fclk = get_FCLK(); /* SYNC Mode */ - else - fclk = get_PLLCLK(MPLL); /* ASYNC Mode */ - - return fclk / (hclk_div * hclkx2_div); -} - -/* return PCLK frequency */ -ulong get_PCLK(void) -{ - ulong fclk; - uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1; - uint pre_div = ((CLK_DIV0_REG >> 12) & 0xf) + 1; - - if (OTHERS_REG & 0x80) - fclk = get_FCLK(); /* SYNC Mode */ - else - fclk = get_PLLCLK(MPLL); /* ASYNC Mode */ - - return fclk / (hclkx2_div * pre_div); -} - -/* return UCLK frequency */ -ulong get_UCLK(void) -{ - return get_PLLCLK(EPLL); -} - -int print_cpuinfo(void) -{ - printf("\nCPU: S3C6400@%luMHz\n", get_ARMCLK() / 1000000); - printf(" Fclk = %luMHz, Hclk = %luMHz, Pclk = %luMHz ", - get_FCLK() / 1000000, get_HCLK() / 1000000, - get_PCLK() / 1000000); - - if (OTHERS_REG & 0x80) - printf("(SYNC Mode) \n"); - else - printf("(ASYNC Mode) \n"); - return 0; -} diff --git a/arch/arm/cpu/arm1176/s3c64xx/timer.c b/arch/arm/cpu/arm1176/s3c64xx/timer.c deleted file mode 100644 index f16a37b53c..0000000000 --- a/arch/arm/cpu/arm1176/s3c64xx/timer.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * (C) Copyright 2003 - * Texas Instruments <www.ti.com> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * (C) Copyright 2002-2004 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * (C) Copyright 2004 - * Philippe Robin, ARM Ltd. <philippe.robin@arm.com> - * - * (C) Copyright 2008 - * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/proc-armv/ptrace.h> -#include <asm/arch/s3c6400.h> -#include <div64.h> - -static ulong timer_load_val; - -#define PRESCALER 167 - -static s3c64xx_timers *s3c64xx_get_base_timers(void) -{ - return (s3c64xx_timers *)ELFIN_TIMER_BASE; -} - -/* macro to read the 16 bit timer */ -static inline ulong read_timer(void) -{ - s3c64xx_timers *const timers = s3c64xx_get_base_timers(); - - return timers->TCNTO4; -} - -/* Internal tick units */ -/* Last decremneter snapshot */ -static unsigned long lastdec; -/* Monotonic incrementing timer */ -static unsigned long long timestamp; - -int timer_init(void) -{ - s3c64xx_timers *const timers = s3c64xx_get_base_timers(); - - /* use PWM Timer 4 because it has no output */ - /* - * We use the following scheme for the timer: - * Prescaler is hard fixed at 167, divider at 1/4. - * This gives at PCLK frequency 66MHz approx. 10us ticks - * The timer is set to wrap after 100s, at 66MHz this obviously - * happens after 10,000,000 ticks. A long variable can thus - * keep values up to 40,000s, i.e., 11 hours. This should be - * enough for most uses:-) Possible optimizations: select a - * binary-friendly frequency, e.g., 1ms / 128. Also calculate - * the prescaler automatically for other PCLK frequencies. - */ - timers->TCFG0 = PRESCALER << 8; - if (timer_load_val == 0) { - timer_load_val = get_PCLK() / PRESCALER * (100 / 4); /* 100s */ - timers->TCFG1 = (timers->TCFG1 & ~0xf0000) | 0x20000; - } - - /* load value for 10 ms timeout */ - lastdec = timers->TCNTB4 = timer_load_val; - /* auto load, manual update of Timer 4 */ - timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | - TCON_4_UPDATE; - - /* auto load, start Timer 4 */ - timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | COUNT_4_ON; - timestamp = 0; - - return 0; -} - -/* - * timer without interrupts - */ - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - ulong now = read_timer(); - - if (lastdec >= now) { - /* normal mode */ - timestamp += lastdec - now; - } else { - /* we have an overflow ... */ - timestamp += lastdec + timer_load_val - now; - } - lastdec = now; - - return timestamp; -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - /* We overrun in 100s */ - return (ulong)(timer_load_val / 100); -} - -ulong get_timer_masked(void) -{ - unsigned long long res = get_ticks(); - do_div (res, (timer_load_val / (100 * CONFIG_SYS_HZ))); - return res; -} - -ulong get_timer(ulong base) -{ - return get_timer_masked() - base; -} - -void __udelay(unsigned long usec) -{ - unsigned long long tmp; - ulong tmo; - - tmo = (usec + 9) / 10; - tmp = get_ticks() + tmo; /* get current timestamp */ - - while (get_ticks() < tmp)/* loop till event */ - /*NOP*/; -} diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S index 40df4b1614..f20da8eb7b 100644 --- a/arch/arm/cpu/arm1176/start.S +++ b/arch/arm/cpu/arm1176/start.S @@ -33,11 +33,8 @@ #include <asm-offsets.h> #include <config.h> #include <version.h> -#ifdef CONFIG_ENABLE_MMU -#include <asm/proc/domain.h> -#endif -#if !defined(CONFIG_ENABLE_MMU) && !defined(CONFIG_SYS_PHY_UBOOT_BASE) +#ifndef CONFIG_SYS_PHY_UBOOT_BASE #define CONFIG_SYS_PHY_UBOOT_BASE CONFIG_SYS_UBOOT_BASE #endif @@ -51,7 +48,7 @@ .globl _start _start: b reset -#ifndef CONFIG_NAND_SPL +#ifndef CONFIG_SPL_BUILD ldr pc, _undefined_instruction ldr pc, _software_interrupt ldr pc, _prefetch_abort @@ -98,15 +95,11 @@ _end_vect: .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE - -/* - * Below variable is very important because we use MMU in U-Boot. - * Without it, we cannot run code correctly before MMU is ON. - * by scsuh. - */ -_TEXT_PHY_BASE: - .word CONFIG_SYS_PHY_UBOOT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -119,9 +112,13 @@ _TEXT_PHY_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -164,7 +161,7 @@ cpu_init_crit: * When booting from NAND - it has definitely been a reset, so, no need * to flush caches and disable the MMU */ -#ifndef CONFIG_NAND_SPL +#ifndef CONFIG_SPL_BUILD /* * flush v4 I/D caches */ @@ -229,29 +226,24 @@ skip_tcmdisable: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -260,7 +252,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ @@ -296,44 +287,6 @@ fixnext: blo fixloop #endif -#ifdef CONFIG_ENABLE_MMU -enable_mmu: - /* enable domain access */ - ldr r5, =0x0000ffff - mcr p15, 0, r5, c3, c0, 0 /* load domain access register */ - - /* Set the TTB register */ - ldr r0, _mmu_table_base - ldr r1, =CONFIG_SYS_PHY_UBOOT_BASE - ldr r2, =0xfff00000 - bic r0, r0, r2 - orr r1, r0, r1 - mcr p15, 0, r1, c2, c0, 0 - - /* Enable the MMU */ - mrc p15, 0, r0, c1, c0, 0 - orr r0, r0, #1 /* Set CR_M to enable MMU */ - - /* Prepare to enable the MMU */ - adr r1, skip_hw_init - and r1, r1, #0x3fc - ldr r2, _TEXT_BASE - ldr r3, =0xfff00000 - and r2, r2, r3 - orr r2, r2, r1 - b mmu_enable - - .align 5 - /* Run in a single cache-line */ -mmu_enable: - - mcr p15, 0, r0, c1, c0, 0 - nop - nop - mov pc, r2 -skip_hw_init: -#endif - relocate_done: bx lr @@ -345,52 +298,12 @@ _rel_dyn_end_ofs: _dynsym_start_ofs: .word __dynsym_start - _start -#ifdef CONFIG_ENABLE_MMU -_mmu_table_base: - .word mmu_table -#endif - .globl c_runtime_cpu_setup c_runtime_cpu_setup: mov pc, lr -#ifndef CONFIG_NAND_SPL -/* - * we assume that cache operation is done before. (eg. cleanup_before_linux()) - * actually, we don't need to do anything about cache if not use d-cache in - * U-Boot. So, in this function we clean only MMU. by scsuh - * - * void theLastJump(void *kernel, int arch_num, uint boot_params); - */ -#ifdef CONFIG_ENABLE_MMU - .globl theLastJump -theLastJump: - mov r9, r0 - ldr r3, =0xfff00000 - ldr r4, _TEXT_PHY_BASE - adr r5, phy_last_jump - bic r5, r5, r3 - orr r5, r5, r4 - mov pc, r5 -phy_last_jump: - /* - * disable MMU stuff - */ - mrc p15, 0, r0, c1, c0, 0 - bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */ - bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */ - orr r0, r0, #0x00000002 /* set bit 2 (A) Align */ - orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */ - mcr p15, 0, r0, c1, c0, 0 - - mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */ - - mov r0, #0 - mov pc, r9 -#endif - - +#ifndef CONFIG_SPL_BUILD /* ************************************************************************* * @@ -480,9 +393,11 @@ phy_last_jump: /* save caller lr in position 0 of saved stack */ str lr, [r0] /* get the spsr */ - mrs r0, spsr + mrs lr, spsr /* save spsr in position 1 of saved stack */ str lr, [r0, #4] + /* restore lr */ + ldr lr, [r0] /* restore r0 */ ldr r0, [r13] /* pop stack entry */ @@ -533,4 +448,4 @@ fiq: get_bad_stack bad_save_user_regs bl do_fiq -#endif /* CONFIG_NAND_SPL */ +#endif /* CONFIG_SPL_BUILD */ diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 771d3869c1..9facc7e694 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -85,7 +85,7 @@ _pad: .word 0x12345678 /* now 16*4=64 */ .globl _TEXT_BASE _TEXT_BASE: -#ifdef CONFIG_SPL_BUILD +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) .word CONFIG_SPL_TEXT_BASE #else .word CONFIG_SYS_TEXT_BASE @@ -101,9 +101,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -152,29 +156,24 @@ reset: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -183,7 +182,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm920t/ep93xx/u-boot.lds b/arch/arm/cpu/arm920t/ep93xx/u-boot.lds index c19285d210..cf55bf7d4d 100644 --- a/arch/arm/cpu/arm920t/ep93xx/u-boot.lds +++ b/arch/arm/cpu/arm920t/ep93xx/u-boot.lds @@ -31,18 +31,18 @@ SECTIONS . = ALIGN(4); .text : { - arch/arm/cpu/arm920t/start.o (.text) + arch/arm/cpu/arm920t/start.o (.text*) /* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */ . = 0x1000; LONG(0x53555243) - *(.text) + *(.text*) } . = ALIGN(4); - .rodata : { *(.rodata) } + .rodata : { *(.rodata*) } . = ALIGN(4); - .data : { *(.data) } + .data : { *(.data*) } . = ALIGN(4); .got : { *(.got) } @@ -55,9 +55,12 @@ SECTIONS } . = ALIGN(4); + + __image_copy_end = .; + __bss_start = .; - .bss : { *(.bss) } - __bss_end__ = .; + .bss : { *(.bss*) } + __bss_end = .; _end = .; } diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S index 511d21d334..62500250e3 100644 --- a/arch/arm/cpu/arm920t/start.S +++ b/arch/arm/cpu/arm920t/start.S @@ -73,7 +73,11 @@ _fiq: .word fiq .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -85,9 +89,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -187,29 +195,24 @@ copyex: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -218,7 +221,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S index e8d6d71c17..021e2418d8 100644 --- a/arch/arm/cpu/arm925t/start.S +++ b/arch/arm/cpu/arm925t/start.S @@ -79,7 +79,11 @@ _fiq: .word fiq .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -91,9 +95,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -177,29 +185,24 @@ poll1: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -208,7 +211,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm926ejs/config.mk b/arch/arm/cpu/arm926ejs/config.mk index 6a3a1bb354..f0e31d1805 100644 --- a/arch/arm/cpu/arm926ejs/config.mk +++ b/arch/arm/cpu/arm926ejs/config.mk @@ -33,7 +33,11 @@ PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-mali PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT) ifneq ($(CONFIG_IMX_CONFIG),) - +ifdef CONFIG_SPL +ifdef CONFIG_SPL_BUILD +ALL-y += $(OBJTREE)/SPL +endif +else ALL-y += $(obj)u-boot.imx - +endif endif diff --git a/arch/arm/cpu/arm926ejs/davinci/spl.c b/arch/arm/cpu/arm926ejs/davinci/spl.c index 714fa92846..ca8a412626 100644 --- a/arch/arm/cpu/arm926ejs/davinci/spl.c +++ b/arch/arm/cpu/arm926ejs/davinci/spl.c @@ -64,7 +64,7 @@ void board_init_f(ulong dummy) #endif /* Third, we clear the BSS. */ - memset(__bss_start, 0, __bss_end__ - __bss_start); + memset(__bss_start, 0, __bss_end - __bss_start); /* Finally, setup gd and move to the next step. */ gd = &gdata; diff --git a/arch/arm/cpu/arm926ejs/mxs/start.S b/arch/arm/cpu/arm926ejs/mxs/start.S index 7ccd337174..bf54423ce2 100644 --- a/arch/arm/cpu/arm926ejs/mxs/start.S +++ b/arch/arm/cpu/arm926ejs/mxs/start.S @@ -119,7 +119,11 @@ fiq: .globl _TEXT_BASE _TEXT_BASE: +#ifdef CONFIG_SPL_TEXT_BASE + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -133,7 +137,7 @@ _bss_start_ofs: .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds index 0f3222c76a..673c725ab3 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds @@ -37,8 +37,8 @@ SECTIONS . = ALIGN(4); .text : { - arch/arm/cpu/arm926ejs/mxs/start.o (.text) - *(.text) + arch/arm/cpu/arm926ejs/mxs/start.o (.text*) + *(.text*) } . = ALIGN(4); @@ -46,7 +46,7 @@ SECTIONS . = ALIGN(4); .data : { - *(.data) + *(.data*) } . = ALIGN(4); @@ -67,7 +67,7 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } _end = .; diff --git a/arch/arm/cpu/arm926ejs/omap/timer.c b/arch/arm/cpu/arm926ejs/omap/timer.c index 34ec7b2b1c..16530b03b8 100644 --- a/arch/arm/cpu/arm926ejs/omap/timer.c +++ b/arch/arm/cpu/arm926ejs/omap/timer.c @@ -36,11 +36,14 @@ */ #include <common.h> +#include <asm/io.h> -#define TIMER_LOAD_VAL 0xffffffff +#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV)) +#define TIMER_LOAD_VAL 0xffffffff /* macro to read the 32 bit timer */ -#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+8)) +#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+8) \ + / (TIMER_CLOCK / CONFIG_SYS_HZ) DECLARE_GLOBAL_DATA_PTR; @@ -114,7 +117,8 @@ ulong get_timer_masked (void) * (TLV-now) amount of time after passing though -1 * nts = new "advancing time stamp"...it could also roll and cause problems. */ - timestamp += lastdec + TIMER_LOAD_VAL - now; + timestamp += lastdec + (TIMER_LOAD_VAL / (TIMER_CLOCK / + CONFIG_SYS_HZ)) - now; } lastdec = now; @@ -160,8 +164,5 @@ unsigned long long get_ticks(void) */ ulong get_tbclk (void) { - ulong tbclk; - - tbclk = CONFIG_SYS_HZ; - return tbclk; + return CONFIG_SYS_HZ; } diff --git a/arch/arm/cpu/arm926ejs/spear/spear600.c b/arch/arm/cpu/arm926ejs/spear/spear600.c index ff52131b09..9f0c1d1899 100644 --- a/arch/arm/cpu/arm926ejs/spear/spear600.c +++ b/arch/arm/cpu/arm926ejs/spear/spear600.c @@ -28,9 +28,6 @@ #include <asm/arch/spr_misc.h> #include <asm/arch/spr_defs.h> -#define FALSE 0 -#define TRUE (!FALSE) - static void sel_1v8(void) { struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE; @@ -133,8 +130,8 @@ void soc_init(void) /* * xxx_boot_selected: * - * return TRUE if the particular booting option is selected - * return FALSE otherwise + * return true if the particular booting option is selected + * return false otherwise */ static u32 read_bootstrap(void) { @@ -150,18 +147,18 @@ int snor_boot_selected(void) /* Check whether SNOR boot is selected */ if ((bootstrap & CONFIG_SPEAR_ONLYSNORBOOT) == CONFIG_SPEAR_ONLYSNORBOOT) - return TRUE; + return true; if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) == CONFIG_SPEAR_NORNAND8BOOT) - return TRUE; + return true; if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) == CONFIG_SPEAR_NORNAND16BOOT) - return TRUE; + return true; } - return FALSE; + return false; } int nand_boot_selected(void) @@ -172,20 +169,20 @@ int nand_boot_selected(void) /* Check whether NAND boot is selected */ if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) == CONFIG_SPEAR_NORNAND8BOOT) - return TRUE; + return true; if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) == CONFIG_SPEAR_NORNAND16BOOT) - return TRUE; + return true; } - return FALSE; + return false; } int pnor_boot_selected(void) { /* Parallel NOR boot is not selected in any SPEAr600 revision */ - return FALSE; + return false; } int usb_boot_selected(void) @@ -195,39 +192,39 @@ int usb_boot_selected(void) if (USB_BOOT_SUPPORTED) { /* Check whether USB boot is selected */ if (!(bootstrap & CONFIG_SPEAR_USBBOOT)) - return TRUE; + return true; } - return FALSE; + return false; } int tftp_boot_selected(void) { /* TFTP boot is not selected in any SPEAr600 revision */ - return FALSE; + return false; } int uart_boot_selected(void) { /* UART boot is not selected in any SPEAr600 revision */ - return FALSE; + return false; } int spi_boot_selected(void) { /* SPI boot is not selected in any SPEAr600 revision */ - return FALSE; + return false; } int i2c_boot_selected(void) { /* I2C boot is not selected in any SPEAr600 revision */ - return FALSE; + return false; } int mmc_boot_selected(void) { - return FALSE; + return false; } void plat_late_init(void) diff --git a/arch/arm/cpu/arm926ejs/spear/spl_boot.c b/arch/arm/cpu/arm926ejs/spear/spl_boot.c index f2f9a4974e..3e2953c933 100644 --- a/arch/arm/cpu/arm926ejs/spear/spl_boot.c +++ b/arch/arm/cpu/arm926ejs/spear/spl_boot.c @@ -120,7 +120,7 @@ u32 spl_boot(void) /* * All the supported booting devices are listed here. Each of * the booting type supported by the platform would define the - * macro xxx_BOOT_SUPPORTED to TRUE. + * macro xxx_BOOT_SUPPORTED to true. */ if (SNOR_BOOT_SUPPORTED && snor_boot_selected()) { diff --git a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds index 0af3e0a231..967a135b3b 100644 --- a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds @@ -37,8 +37,8 @@ SECTIONS . = ALIGN(4); .text : { - arch/arm/cpu/arm926ejs/spear/start.o (.text) - *(.text) + arch/arm/cpu/arm926ejs/spear/start.o (.text*) + *(.text*) } . = ALIGN(4); @@ -46,7 +46,7 @@ SECTIONS . = ALIGN(4); .data : { - *(.data) + *(.data*) } . = ALIGN(4); @@ -67,7 +67,7 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } _end = .; diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S index 66a8b654bd..4c5671109d 100644 --- a/arch/arm/cpu/arm926ejs/start.S +++ b/arch/arm/cpu/arm926ejs/start.S @@ -120,15 +120,11 @@ _fiq: .globl _TEXT_BASE _TEXT_BASE: -#ifdef CONFIG_NAND_SPL /* deprecated, use instead CONFIG_SPL_BUILD */ - .word CONFIG_SYS_TEXT_BASE -#else -#ifdef CONFIG_SPL_BUILD +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) .word CONFIG_SPL_TEXT_BASE #else .word CONFIG_SYS_TEXT_BASE #endif -#endif /* * These are defined in the board-specific linker script. @@ -140,20 +136,18 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: .word _end - _start -#ifdef CONFIG_NAND_U_BOOT -.globl _end -_end: - .word __bss_end__ -#endif - #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ .globl IRQ_STACK_START @@ -196,32 +190,25 @@ reset: /*------------------------------------------------------------------------------*/ -#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_NAND_SPL) /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - sub r9, r6, r0 /* r9 <- relocation offset */ - cmp r0, r6 - moveq r9, #0 /* no relocation. offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -230,7 +217,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ @@ -270,6 +256,8 @@ relocate_done: bx lr +#ifndef CONFIG_SPL_BUILD + _rel_dyn_start_ofs: .word __rel_dyn_start - _start _rel_dyn_end_ofs: diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S index a7a98a4e58..9c2b70db0d 100644 --- a/arch/arm/cpu/arm946es/start.S +++ b/arch/arm/cpu/arm946es/start.S @@ -89,7 +89,11 @@ _vectors_end: .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -101,9 +105,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -152,29 +160,24 @@ reset: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -183,7 +186,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S index c189849fa8..5e8c5289fc 100644 --- a/arch/arm/cpu/arm_intcm/start.S +++ b/arch/arm/cpu/arm_intcm/start.S @@ -85,7 +85,11 @@ _fiq: .globl _TEXT_BASE _TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE /* address of _start in the linked image */ +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else + .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -97,9 +101,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -148,29 +156,24 @@ reset: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -179,7 +182,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index 4668b3cf2f..7a8c2d0e59 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -32,7 +32,7 @@ COBJS += cache_v7.o COBJS += cpu.o COBJS += syslib.o -ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6),) +ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI814X),) SOBJS += lowlevel_init.o endif diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile index 70c443edbb..c97e30d441 100644 --- a/arch/arm/cpu/armv7/am33xx/Makefile +++ b/arch/arm/cpu/armv7/am33xx/Makefile @@ -16,7 +16,8 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS += clock.o +COBJS-$(CONFIG_AM33XX) += clock_am33xx.o +COBJS-$(CONFIG_TI814X) += clock_ti814x.o COBJS += sys_info.o COBJS += mem.o COBJS += ddr.o diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index e35a3e3a70..885fb2d20e 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -141,11 +141,11 @@ int arch_misc_init(void) { #ifdef CONFIG_AM335X_USB0 musb_register(&otg0_plat, &otg0_board_data, - (void *)AM335X_USB0_OTG_BASE); + (void *)USB0_OTG_BASE); #endif #ifdef CONFIG_AM335X_USB1 musb_register(&otg1_plat, &otg1_board_data, - (void *)AM335X_USB1_OTG_BASE); + (void *)USB1_OTG_BASE); #endif return 0; } diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c index d7d98d1111..a1efc7520a 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c @@ -1,9 +1,9 @@ /* - * clock.c + * clock_am33xx.c * * clocks for AM33XX based boards * - * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/ * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -42,6 +42,35 @@ #define CPGMAC0_IDLE 0x30000 #define DPLL_CLKDCOLDO_GATE_CTRL 0x300 +#define OSC (V_OSCK/1000000) + +#define MPUPLL_M CONFIG_SYS_MPUCLK +#define MPUPLL_N (OSC-1) +#define MPUPLL_M2 1 + +/* Core PLL Fdll = 1 GHZ, */ +#define COREPLL_M 1000 +#define COREPLL_N (OSC-1) + +#define COREPLL_M4 10 /* CORE_CLKOUTM4 = 200 MHZ */ +#define COREPLL_M5 8 /* CORE_CLKOUTM5 = 250 MHZ */ +#define COREPLL_M6 4 /* CORE_CLKOUTM6 = 500 MHZ */ + +/* + * USB PHY clock is 960 MHZ. Since, this comes directly from Fdll, Fdll + * frequency needs to be set to 960 MHZ. Hence, + * For clkout = 192 MHZ, Fdll = 960 MHZ, divider values are given below + */ +#define PERPLL_M 960 +#define PERPLL_N (OSC-1) +#define PERPLL_M2 5 + +/* DDR Freq is 266 MHZ for now */ +/* Set Fdll = 400 MHZ , Fdll = M * 2 * CLKINP/ N + 1; clkout = Fdll /(2 * M2) */ +#define DDRPLL_M 266 +#define DDRPLL_N (OSC-1) +#define DDRPLL_M2 1 + const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER; const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP; const struct cm_dpll *cmdpll = (struct cm_dpll *)CM_DPLL; @@ -166,6 +195,11 @@ static void enable_per_clocks(void) while (readl(&cmper->mmc0clkctrl) != PRCM_MOD_EN) ; + /* MMC1 */ + writel(PRCM_MOD_EN, &cmper->mmc1clkctrl); + while (readl(&cmper->mmc1clkctrl) != PRCM_MOD_EN) + ; + /* i2c0 */ writel(PRCM_MOD_EN, &cmwkup->wkup_i2c0ctrl); while (readl(&cmwkup->wkup_i2c0ctrl) != PRCM_MOD_EN) diff --git a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c new file mode 100644 index 0000000000..cb4210f6e6 --- /dev/null +++ b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c @@ -0,0 +1,406 @@ +/* + * clock_ti814x.c + * + * Clocks for TI814X based boards + * + * Copyright (C) 2013, Texas Instruments, Incorporated + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <asm/arch/cpu.h> +#include <asm/arch/clock.h> +#include <asm/arch/hardware.h> +#include <asm/io.h> + +/* PRCM */ +#define PRCM_MOD_EN 0x2 + +/* CLK_SRC */ +#define OSC_SRC0 0 +#define OSC_SRC1 1 + +#define L3_OSC_SRC OSC_SRC0 + +#define OSC_0_FREQ 20 + +#define DCO_HS2_MIN 500 +#define DCO_HS2_MAX 1000 +#define DCO_HS1_MIN 1000 +#define DCO_HS1_MAX 2000 + +#define SELFREQDCO_HS2 0x00000801 +#define SELFREQDCO_HS1 0x00001001 + +#define MPU_N 0x1 +#define MPU_M 0x3C +#define MPU_M2 1 +#define MPU_CLKCTRL 0x1 + +#define L3_N 19 +#define L3_M 880 +#define L3_M2 4 +#define L3_CLKCTRL 0x801 + +#define DDR_N 19 +#define DDR_M 666 +#define DDR_M2 2 +#define DDR_CLKCTRL 0x801 + +/* ADPLLJ register values */ +#define ADPLLJ_CLKCTRL_HS2 0x00000801 /* HS2 mode, TINT2 = 1 */ +#define ADPLLJ_CLKCTRL_HS1 0x00001001 /* HS1 mode, TINT2 = 1 */ +#define ADPLLJ_CLKCTRL_CLKDCOLDOEN (1 << 29) +#define ADPLLJ_CLKCTRL_IDLE (1 << 23) +#define ADPLLJ_CLKCTRL_CLKOUTEN (1 << 20) +#define ADPLLJ_CLKCTRL_CLKOUTLDOEN (1 << 19) +#define ADPLLJ_CLKCTRL_CLKDCOLDOPWDNZ (1 << 17) +#define ADPLLJ_CLKCTRL_LPMODE (1 << 12) +#define ADPLLJ_CLKCTRL_DRIFTGUARDIAN (1 << 11) +#define ADPLLJ_CLKCTRL_REGM4XEN (1 << 10) +#define ADPLLJ_CLKCTRL_TINITZ (1 << 0) +#define ADPLLJ_CLKCTRL_CLKDCO (ADPLLJ_CLKCTRL_CLKDCOLDOEN | \ + ADPLLJ_CLKCTRL_CLKOUTEN | \ + ADPLLJ_CLKCTRL_CLKOUTLDOEN | \ + ADPLLJ_CLKCTRL_CLKDCOLDOPWDNZ) + +#define ADPLLJ_STATUS_PHASELOCK (1 << 10) +#define ADPLLJ_STATUS_FREQLOCK (1 << 9) +#define ADPLLJ_STATUS_PHSFRQLOCK (ADPLLJ_STATUS_PHASELOCK | \ + ADPLLJ_STATUS_FREQLOCK) +#define ADPLLJ_STATUS_BYPASSACK (1 << 8) +#define ADPLLJ_STATUS_BYPASS (1 << 0) +#define ADPLLJ_STATUS_BYPASSANDACK (ADPLLJ_STATUS_BYPASSACK | \ + ADPLLJ_STATUS_BYPASS) + +#define ADPLLJ_TENABLE_ENB (1 << 0) +#define ADPLLJ_TENABLEDIV_ENB (1 << 0) + +#define ADPLLJ_M2NDIV_M2SHIFT 16 + +#define MPU_PLL_BASE (PLL_SUBSYS_BASE + 0x048) +#define L3_PLL_BASE (PLL_SUBSYS_BASE + 0x110) +#define DDR_PLL_BASE (PLL_SUBSYS_BASE + 0x290) + +struct ad_pll { + unsigned int pwrctrl; + unsigned int clkctrl; + unsigned int tenable; + unsigned int tenablediv; + unsigned int m2ndiv; + unsigned int mn2div; + unsigned int fracdiv; + unsigned int bwctrl; + unsigned int fracctrl; + unsigned int status; + unsigned int m3div; + unsigned int rampctrl; +}; + +#define OSC_SRC_CTRL (PLL_SUBSYS_BASE + 0x2C0) + +/* PRCM */ +#define CM_DEFAULT_BASE (PRCM_BASE + 0x0500) + +struct cm_def { + unsigned int resv0[2]; + unsigned int l3fastclkstctrl; + unsigned int resv1[1]; + unsigned int pciclkstctrl; + unsigned int resv2[1]; + unsigned int ducaticlkstctrl; + unsigned int resv3[1]; + unsigned int emif0clkctrl; + unsigned int emif1clkctrl; + unsigned int dmmclkctrl; + unsigned int fwclkctrl; + unsigned int resv4[10]; + unsigned int usbclkctrl; + unsigned int resv5[1]; + unsigned int sataclkctrl; + unsigned int resv6[4]; + unsigned int ducaticlkctrl; + unsigned int pciclkctrl; +}; + +#define CM_ALWON_BASE (PRCM_BASE + 0x1400) + +struct cm_alwon { + unsigned int l3slowclkstctrl; + unsigned int ethclkstctrl; + unsigned int l3medclkstctrl; + unsigned int mmu_clkstctrl; + unsigned int mmucfg_clkstctrl; + unsigned int ocmc0clkstctrl; + unsigned int vcpclkstctrl; + unsigned int mpuclkstctrl; + unsigned int sysclk4clkstctrl; + unsigned int sysclk5clkstctrl; + unsigned int sysclk6clkstctrl; + unsigned int rtcclkstctrl; + unsigned int l3fastclkstctrl; + unsigned int resv0[67]; + unsigned int mcasp0clkctrl; + unsigned int mcasp1clkctrl; + unsigned int mcasp2clkctrl; + unsigned int mcbspclkctrl; + unsigned int uart0clkctrl; + unsigned int uart1clkctrl; + unsigned int uart2clkctrl; + unsigned int gpio0clkctrl; + unsigned int gpio1clkctrl; + unsigned int i2c0clkctrl; + unsigned int i2c1clkctrl; + unsigned int mcasp345clkctrl; + unsigned int atlclkctrl; + unsigned int mlbclkctrl; + unsigned int pataclkctrl; + unsigned int resv1[1]; + unsigned int uart3clkctrl; + unsigned int uart4clkctrl; + unsigned int uart5clkctrl; + unsigned int wdtimerclkctrl; + unsigned int spiclkctrl; + unsigned int mailboxclkctrl; + unsigned int spinboxclkctrl; + unsigned int mmudataclkctrl; + unsigned int resv2[2]; + unsigned int mmucfgclkctrl; + unsigned int resv3[2]; + unsigned int ocmc0clkctrl; + unsigned int vcpclkctrl; + unsigned int resv4[2]; + unsigned int controlclkctrl; + unsigned int resv5[2]; + unsigned int gpmcclkctrl; + unsigned int ethernet0clkctrl; + unsigned int resv6[1]; + unsigned int mpuclkctrl; + unsigned int debugssclkctrl; + unsigned int l3clkctrl; + unsigned int l4hsclkctrl; + unsigned int l4lsclkctrl; + unsigned int rtcclkctrl; + unsigned int tpccclkctrl; + unsigned int tptc0clkctrl; + unsigned int tptc1clkctrl; + unsigned int tptc2clkctrl; + unsigned int tptc3clkctrl; + unsigned int resv7[4]; + unsigned int dcan01clkctrl; + unsigned int mmchs0clkctrl; + unsigned int mmchs1clkctrl; + unsigned int mmchs2clkctrl; + unsigned int custefuseclkctrl; +}; + + +const struct cm_alwon *cmalwon = (struct cm_alwon *)CM_ALWON_BASE; +const struct cm_def *cmdef = (struct cm_def *)CM_DEFAULT_BASE; + +/* + * Enable the peripheral clock for required peripherals + */ +static void enable_per_clocks(void) +{ + /* UART0 */ + writel(PRCM_MOD_EN, &cmalwon->uart0clkctrl); + while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN) + ; + + /* HSMMC1 */ + writel(PRCM_MOD_EN, &cmalwon->mmchs1clkctrl); + while (readl(&cmalwon->mmchs1clkctrl) != PRCM_MOD_EN) + ; +} + +/* + * select the HS1 or HS2 for DCO Freq + * return : CLKCTRL + */ +static u32 pll_dco_freq_sel(u32 clkout_dco) +{ + if (clkout_dco >= DCO_HS2_MIN && clkout_dco < DCO_HS2_MAX) + return SELFREQDCO_HS2; + else if (clkout_dco >= DCO_HS1_MIN && clkout_dco < DCO_HS1_MAX) + return SELFREQDCO_HS1; + else + return -1; +} + +/* + * select the sigma delta config + * return: sigma delta val + */ +static u32 pll_sigma_delta_val(u32 clkout_dco) +{ + u32 sig_val = 0; + float frac_div; + + frac_div = (float) clkout_dco / 250; + frac_div = frac_div + 0.90; + sig_val = (int)frac_div; + sig_val = sig_val << 24; + + return sig_val; +} + +/* + * configure individual ADPLLJ + */ +static void pll_config(u32 base, u32 n, u32 m, u32 m2, + u32 clkctrl_val, int adpllj) +{ + const struct ad_pll *adpll = (struct ad_pll *)base; + u32 m2nval, mn2val, read_clkctrl = 0, clkout_dco = 0; + u32 sig_val = 0, hs_mod = 0; + + m2nval = (m2 << ADPLLJ_M2NDIV_M2SHIFT) | n; + mn2val = m; + + /* calculate clkout_dco */ + clkout_dco = ((OSC_0_FREQ / (n+1)) * m); + + /* sigma delta & Hs mode selection skip for ADPLLS*/ + if (adpllj) { + sig_val = pll_sigma_delta_val(clkout_dco); + hs_mod = pll_dco_freq_sel(clkout_dco); + } + + /* by-pass pll */ + read_clkctrl = readl(&adpll->clkctrl); + writel((read_clkctrl | ADPLLJ_CLKCTRL_IDLE), &adpll->clkctrl); + while ((readl(&adpll->status) & ADPLLJ_STATUS_BYPASSANDACK) + != ADPLLJ_STATUS_BYPASSANDACK) + ; + + /* clear TINITZ */ + read_clkctrl = readl(&adpll->clkctrl); + writel((read_clkctrl & ~ADPLLJ_CLKCTRL_TINITZ), &adpll->clkctrl); + + /* + * ref_clk = 20/(n + 1); + * clkout_dco = ref_clk * m; + * clk_out = clkout_dco/m2; + */ + read_clkctrl = readl(&adpll->clkctrl) & + ~(ADPLLJ_CLKCTRL_LPMODE | + ADPLLJ_CLKCTRL_DRIFTGUARDIAN | + ADPLLJ_CLKCTRL_REGM4XEN); + writel(m2nval, &adpll->m2ndiv); + writel(mn2val, &adpll->mn2div); + + /* Skip for modena(ADPLLS) */ + if (adpllj) { + writel(sig_val, &adpll->fracdiv); + writel((read_clkctrl | hs_mod), &adpll->clkctrl); + } + + /* Load M2, N2 dividers of ADPLL */ + writel(ADPLLJ_TENABLEDIV_ENB, &adpll->tenablediv); + writel(~ADPLLJ_TENABLEDIV_ENB, &adpll->tenablediv); + + /* Load M, N dividers of ADPLL */ + writel(ADPLLJ_TENABLE_ENB, &adpll->tenable); + writel(~ADPLLJ_TENABLE_ENB, &adpll->tenable); + + /* Configure CLKDCOLDOEN,CLKOUTLDOEN,CLKOUT Enable BITS */ + read_clkctrl = readl(&adpll->clkctrl) & ~ADPLLJ_CLKCTRL_CLKDCO; + if (adpllj) + writel((read_clkctrl | ADPLLJ_CLKCTRL_CLKDCO), + &adpll->clkctrl); + + /* Enable TINTZ and disable IDLE(PLL in Active & Locked Mode */ + read_clkctrl = readl(&adpll->clkctrl) & ~ADPLLJ_CLKCTRL_IDLE; + writel((read_clkctrl | ADPLLJ_CLKCTRL_TINITZ), &adpll->clkctrl); + + /* Wait for phase and freq lock */ + while ((readl(&adpll->status) & ADPLLJ_STATUS_PHSFRQLOCK) != + ADPLLJ_STATUS_PHSFRQLOCK) + ; +} + +static void unlock_pll_control_mmr(void) +{ + /* TRM 2.10.1.4 and 3.2.7-3.2.11 */ + writel(0x1EDA4C3D, 0x481C5040); + writel(0x2FF1AC2B, 0x48140060); + writel(0xF757FDC0, 0x48140064); + writel(0xE2BC3A6D, 0x48140068); + writel(0x1EBF131D, 0x4814006c); + writel(0x6F361E05, 0x48140070); +} + +static void mpu_pll_config(void) +{ + pll_config(MPU_PLL_BASE, MPU_N, MPU_M, MPU_M2, MPU_CLKCTRL, 0); +} + +static void l3_pll_config(void) +{ + u32 l3_osc_src, rd_osc_src = 0; + + l3_osc_src = L3_OSC_SRC; + rd_osc_src = readl(OSC_SRC_CTRL); + + if (OSC_SRC0 == l3_osc_src) + writel((rd_osc_src & 0xfffffffe)|0x0, OSC_SRC_CTRL); + else + writel((rd_osc_src & 0xfffffffe)|0x1, OSC_SRC_CTRL); + + pll_config(L3_PLL_BASE, L3_N, L3_M, L3_M2, L3_CLKCTRL, 1); +} + +void ddr_pll_config(unsigned int ddrpll_m) +{ + pll_config(DDR_PLL_BASE, DDR_N, DDR_M, DDR_M2, DDR_CLKCTRL, 1); +} + +void enable_emif_clocks(void) {}; + +void enable_dmm_clocks(void) +{ + writel(PRCM_MOD_EN, &cmdef->fwclkctrl); + writel(PRCM_MOD_EN, &cmdef->l3fastclkstctrl); + writel(PRCM_MOD_EN, &cmdef->emif0clkctrl); + while ((readl(&cmdef->emif0clkctrl)) != PRCM_MOD_EN) + ; + writel(PRCM_MOD_EN, &cmdef->emif1clkctrl); + while ((readl(&cmdef->emif1clkctrl)) != PRCM_MOD_EN) + ; + while ((readl(&cmdef->l3fastclkstctrl) & 0x300) != 0x300) + ; + writel(PRCM_MOD_EN, &cmdef->dmmclkctrl); + while ((readl(&cmdef->dmmclkctrl)) != PRCM_MOD_EN) + ; + writel(PRCM_MOD_EN, &cmalwon->l3slowclkstctrl); + while ((readl(&cmalwon->l3slowclkstctrl) & 0x2100) != 0x2100) + ; +} + +/* + * Configure the PLL/PRCM for necessary peripherals + */ +void pll_init() +{ + unlock_pll_control_mmr(); + + /* Enable the control module */ + writel(PRCM_MOD_EN, &cmalwon->controlclkctrl); + + mpu_pll_config(); + + l3_pll_config(); + + /* Enable the required peripherals */ + enable_per_clocks(); +} diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c index 448cc40157..d1e2fd3f21 100644 --- a/arch/arm/cpu/armv7/am33xx/ddr.c +++ b/arch/arm/cpu/armv7/am33xx/ddr.c @@ -24,15 +24,20 @@ http://www.ti.com/ /** * Base address for EMIF instances */ -static struct emif_reg_struct *emif_reg = { - (struct emif_reg_struct *)EMIF4_0_CFG_BASE}; +static struct emif_reg_struct *emif_reg[2] = { + (struct emif_reg_struct *)EMIF4_0_CFG_BASE, + (struct emif_reg_struct *)EMIF4_1_CFG_BASE}; /** - * Base address for DDR instance + * Base addresses for DDR PHY cmd/data regs */ -static struct ddr_regs *ddr_reg[2] = { - (struct ddr_regs *)DDR_PHY_BASE_ADDR, - (struct ddr_regs *)DDR_PHY_BASE_ADDR2}; +static struct ddr_cmd_regs *ddr_cmd_reg[2] = { + (struct ddr_cmd_regs *)DDR_PHY_CMD_ADDR, + (struct ddr_cmd_regs *)DDR_PHY_CMD_ADDR2}; + +static struct ddr_data_regs *ddr_data_reg[2] = { + (struct ddr_data_regs *)DDR_PHY_DATA_ADDR, + (struct ddr_data_regs *)DDR_PHY_DATA_ADDR2}; /** * Base address for ddr io control instances @@ -43,7 +48,7 @@ static struct ddr_cmdtctrl *ioctrl_reg = { /** * Configure SDRAM */ -void config_sdram(const struct emif_regs *regs) +void config_sdram(const struct emif_regs *regs, int nr) { if (regs->zq_config) { /* @@ -51,68 +56,85 @@ void config_sdram(const struct emif_regs *regs) * about 570us for a delay, which will be long enough * to configure things. */ - writel(0x2800, &emif_reg->emif_sdram_ref_ctrl); - writel(regs->zq_config, &emif_reg->emif_zq_config); + writel(0x2800, &emif_reg[nr]->emif_sdram_ref_ctrl); + writel(regs->zq_config, &emif_reg[nr]->emif_zq_config); writel(regs->sdram_config, &cstat->secure_emif_sdram_config); + writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config); + writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl); + writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl_shdw); } - writel(regs->sdram_config, &emif_reg->emif_sdram_config); - writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl); - writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl_shdw); + writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl); + writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl_shdw); + writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config); } /** * Set SDRAM timings */ -void set_sdram_timings(const struct emif_regs *regs) +void set_sdram_timings(const struct emif_regs *regs, int nr) { - writel(regs->sdram_tim1, &emif_reg->emif_sdram_tim_1); - writel(regs->sdram_tim1, &emif_reg->emif_sdram_tim_1_shdw); - writel(regs->sdram_tim2, &emif_reg->emif_sdram_tim_2); - writel(regs->sdram_tim2, &emif_reg->emif_sdram_tim_2_shdw); - writel(regs->sdram_tim3, &emif_reg->emif_sdram_tim_3); - writel(regs->sdram_tim3, &emif_reg->emif_sdram_tim_3_shdw); + writel(regs->sdram_tim1, &emif_reg[nr]->emif_sdram_tim_1); + writel(regs->sdram_tim1, &emif_reg[nr]->emif_sdram_tim_1_shdw); + writel(regs->sdram_tim2, &emif_reg[nr]->emif_sdram_tim_2); + writel(regs->sdram_tim2, &emif_reg[nr]->emif_sdram_tim_2_shdw); + writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3); + writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3_shdw); } /** * Configure DDR PHY */ -void config_ddr_phy(const struct emif_regs *regs) +void config_ddr_phy(const struct emif_regs *regs, int nr) { - writel(regs->emif_ddr_phy_ctlr_1, &emif_reg->emif_ddr_phy_ctrl_1); - writel(regs->emif_ddr_phy_ctlr_1, &emif_reg->emif_ddr_phy_ctrl_1_shdw); + writel(regs->emif_ddr_phy_ctlr_1, + &emif_reg[nr]->emif_ddr_phy_ctrl_1); + writel(regs->emif_ddr_phy_ctlr_1, + &emif_reg[nr]->emif_ddr_phy_ctrl_1_shdw); } /** * Configure DDR CMD control registers */ -void config_cmd_ctrl(const struct cmd_control *cmd) +void config_cmd_ctrl(const struct cmd_control *cmd, int nr) { - writel(cmd->cmd0csratio, &ddr_reg[0]->cm0csratio); - writel(cmd->cmd0dldiff, &ddr_reg[0]->cm0dldiff); - writel(cmd->cmd0iclkout, &ddr_reg[0]->cm0iclkout); + writel(cmd->cmd0csratio, &ddr_cmd_reg[nr]->cm0csratio); + writel(cmd->cmd0dldiff, &ddr_cmd_reg[nr]->cm0dldiff); + writel(cmd->cmd0iclkout, &ddr_cmd_reg[nr]->cm0iclkout); - writel(cmd->cmd1csratio, &ddr_reg[0]->cm1csratio); - writel(cmd->cmd1dldiff, &ddr_reg[0]->cm1dldiff); - writel(cmd->cmd1iclkout, &ddr_reg[0]->cm1iclkout); + writel(cmd->cmd1csratio, &ddr_cmd_reg[nr]->cm1csratio); + writel(cmd->cmd1dldiff, &ddr_cmd_reg[nr]->cm1dldiff); + writel(cmd->cmd1iclkout, &ddr_cmd_reg[nr]->cm1iclkout); - writel(cmd->cmd2csratio, &ddr_reg[0]->cm2csratio); - writel(cmd->cmd2dldiff, &ddr_reg[0]->cm2dldiff); - writel(cmd->cmd2iclkout, &ddr_reg[0]->cm2iclkout); + writel(cmd->cmd2csratio, &ddr_cmd_reg[nr]->cm2csratio); + writel(cmd->cmd2dldiff, &ddr_cmd_reg[nr]->cm2dldiff); + writel(cmd->cmd2iclkout, &ddr_cmd_reg[nr]->cm2iclkout); } /** * Configure DDR DATA registers */ -void config_ddr_data(int macrono, const struct ddr_data *data) +void config_ddr_data(const struct ddr_data *data, int nr) { - writel(data->datardsratio0, &ddr_reg[macrono]->dt0rdsratio0); - writel(data->datawdsratio0, &ddr_reg[macrono]->dt0wdsratio0); - writel(data->datawiratio0, &ddr_reg[macrono]->dt0wiratio0); - writel(data->datagiratio0, &ddr_reg[macrono]->dt0giratio0); - writel(data->datafwsratio0, &ddr_reg[macrono]->dt0fwsratio0); - writel(data->datawrsratio0, &ddr_reg[macrono]->dt0wrsratio0); - writel(data->datauserank0delay, &ddr_reg[macrono]->dt0rdelays0); - writel(data->datadldiff0, &ddr_reg[macrono]->dt0dldiff0); + int i; + + for (i = 0; i < DDR_DATA_REGS_NR; i++) { + writel(data->datardsratio0, + &(ddr_data_reg[nr]+i)->dt0rdsratio0); + writel(data->datawdsratio0, + &(ddr_data_reg[nr]+i)->dt0wdsratio0); + writel(data->datawiratio0, + &(ddr_data_reg[nr]+i)->dt0wiratio0); + writel(data->datagiratio0, + &(ddr_data_reg[nr]+i)->dt0giratio0); + writel(data->datafwsratio0, + &(ddr_data_reg[nr]+i)->dt0fwsratio0); + writel(data->datawrsratio0, + &(ddr_data_reg[nr]+i)->dt0wrsratio0); + writel(data->datauserank0delay, + &(ddr_data_reg[nr]+i)->dt0rdelays0); + writel(data->datadldiff0, + &(ddr_data_reg[nr]+i)->dt0dldiff0); + } } void config_io_ctrl(unsigned long val) diff --git a/arch/arm/cpu/armv7/am33xx/elm.c b/arch/arm/cpu/armv7/am33xx/elm.c index 9eed23d75a..41df612956 100644 --- a/arch/arm/cpu/armv7/am33xx/elm.c +++ b/arch/arm/cpu/armv7/am33xx/elm.c @@ -33,7 +33,7 @@ #include <asm/io.h> #include <asm/errno.h> #include <asm/arch/cpu.h> -#include <asm/arch/omap_gpmc.h> +#include <asm/omap_gpmc.h> #include <asm/arch/elm.h> #define ELM_DEFAULT_POLY (0) diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c index 01e3a5204e..aa84e96173 100644 --- a/arch/arm/cpu/armv7/am33xx/emif4.c +++ b/arch/arm/cpu/armv7/am33xx/emif4.c @@ -44,44 +44,65 @@ void dram_init_banksize(void) #ifdef CONFIG_SPL_BUILD -static struct vtp_reg *vtpreg = (struct vtp_reg *)VTP0_CTRL_ADDR; +static struct dmm_lisa_map_regs *hw_lisa_map_regs = + (struct dmm_lisa_map_regs *)DMM_BASE; +static struct vtp_reg *vtpreg[2] = { + (struct vtp_reg *)VTP0_CTRL_ADDR, + (struct vtp_reg *)VTP1_CTRL_ADDR}; +#ifdef CONFIG_AM33XX static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR; +#endif + +void config_dmm(const struct dmm_lisa_map_regs *regs) +{ + enable_dmm_clocks(); + + writel(0, &hw_lisa_map_regs->dmm_lisa_map_3); + writel(0, &hw_lisa_map_regs->dmm_lisa_map_2); + writel(0, &hw_lisa_map_regs->dmm_lisa_map_1); + writel(0, &hw_lisa_map_regs->dmm_lisa_map_0); -static void config_vtp(void) + writel(regs->dmm_lisa_map_3, &hw_lisa_map_regs->dmm_lisa_map_3); + writel(regs->dmm_lisa_map_2, &hw_lisa_map_regs->dmm_lisa_map_2); + writel(regs->dmm_lisa_map_1, &hw_lisa_map_regs->dmm_lisa_map_1); + writel(regs->dmm_lisa_map_0, &hw_lisa_map_regs->dmm_lisa_map_0); +} + +static void config_vtp(int nr) { - writel(readl(&vtpreg->vtp0ctrlreg) | VTP_CTRL_ENABLE, - &vtpreg->vtp0ctrlreg); - writel(readl(&vtpreg->vtp0ctrlreg) & (~VTP_CTRL_START_EN), - &vtpreg->vtp0ctrlreg); - writel(readl(&vtpreg->vtp0ctrlreg) | VTP_CTRL_START_EN, - &vtpreg->vtp0ctrlreg); + writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_ENABLE, + &vtpreg[nr]->vtp0ctrlreg); + writel(readl(&vtpreg[nr]->vtp0ctrlreg) & (~VTP_CTRL_START_EN), + &vtpreg[nr]->vtp0ctrlreg); + writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_START_EN, + &vtpreg[nr]->vtp0ctrlreg); /* Poll for READY */ - while ((readl(&vtpreg->vtp0ctrlreg) & VTP_CTRL_READY) != + while ((readl(&vtpreg[nr]->vtp0ctrlreg) & VTP_CTRL_READY) != VTP_CTRL_READY) ; } void config_ddr(unsigned int pll, unsigned int ioctrl, const struct ddr_data *data, const struct cmd_control *ctrl, - const struct emif_regs *regs) + const struct emif_regs *regs, int nr) { enable_emif_clocks(); ddr_pll_config(pll); - config_vtp(); - config_cmd_ctrl(ctrl); - - config_ddr_data(0, data); - config_ddr_data(1, data); + config_vtp(nr); + config_cmd_ctrl(ctrl, nr); + config_ddr_data(data, nr); +#ifdef CONFIG_AM33XX config_io_ctrl(ioctrl); /* Set CKE to be controlled by EMIF/DDR PHY */ writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); +#endif /* Program EMIF instance */ - config_ddr_phy(regs); - set_sdram_timings(regs); - config_sdram(regs); + config_ddr_phy(regs, nr); + set_sdram_timings(regs, nr); + config_sdram(regs, nr); } #endif diff --git a/arch/arm/cpu/armv7/am33xx/mem.c b/arch/arm/cpu/armv7/am33xx/mem.c index b8f54abae2..b86b0ded3f 100644 --- a/arch/arm/cpu/armv7/am33xx/mem.c +++ b/arch/arm/cpu/armv7/am33xx/mem.c @@ -83,7 +83,7 @@ void gpmc_init(void) /* global settings */ writel(0x00000008, &gpmc_cfg->sysconfig); writel(0x00000100, &gpmc_cfg->irqstatus); - writel(0x00000200, &gpmc_cfg->irqenable); + writel(0x00000100, &gpmc_cfg->irqenable); writel(0x00000012, &gpmc_cfg->config); /* * Disable the GPMC0 config set by ROM code diff --git a/arch/arm/cpu/armv7/am33xx/sys_info.c b/arch/arm/cpu/armv7/am33xx/sys_info.c index 507b6180e6..5fd8b47b2d 100644 --- a/arch/arm/cpu/armv7/am33xx/sys_info.c +++ b/arch/arm/cpu/armv7/am33xx/sys_info.c @@ -98,6 +98,9 @@ int print_cpuinfo(void) case AM335X: cpu_s = "AM335X"; break; + case TI81XX: + cpu_s = "TI81XX"; + break; default: cpu_s = "Unknown cpu type"; break; @@ -120,7 +123,7 @@ int print_cpuinfo(void) sec_s = "?"; } - printf("AM%s-%s rev %d\n", + printf("%s-%s rev %d\n", cpu_s, sec_s, get_cpu_rev()); /* TODO: Print ARM and DDR frequencies */ diff --git a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds index 69f6d48dab..b6a929ff7e 100644 --- a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds @@ -62,6 +62,6 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } >.sdram } diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c index 5f6d0396f3..8748c145c4 100644 --- a/arch/arm/cpu/armv7/cache_v7.c +++ b/arch/arm/cpu/armv7/cache_v7.c @@ -340,6 +340,9 @@ void mmu_page_table_flush(unsigned long start, unsigned long stop) { } +void arm_init_domains(void) +{ +} #endif /* #ifndef CONFIG_SYS_DCACHE_OFF */ #ifndef CONFIG_SYS_ICACHE_OFF diff --git a/arch/arm/cpu/armv7/config.mk b/arch/arm/cpu/armv7/config.mk index 9c3e2f3ce4..56b8053770 100644 --- a/arch/arm/cpu/armv7/config.mk +++ b/arch/arm/cpu/armv7/config.mk @@ -40,5 +40,11 @@ PF_NO_UNALIGNED := $(call cc-option, -mno-unaligned-access,) PLATFORM_NO_UNALIGNED := $(PF_NO_UNALIGNED) ifneq ($(CONFIG_IMX_CONFIG),) +ifdef CONFIG_SPL +ifdef CONFIG_SPL_BUILD +ALL-y += $(OBJTREE)/SPL +endif +else ALL-y += $(obj)u-boot.imx endif +endif diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 956427c9eb..223660aab6 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -27,6 +27,49 @@ #include <asm/arch/clk.h> #include <asm/arch/periph.h> +/* * + * This structure is to store the src bit, div bit and prediv bit + * positions of the peripheral clocks of the src and div registers + */ +struct clk_bit_info { + int8_t src_bit; + int8_t div_bit; + int8_t prediv_bit; +}; + +/* src_bit div_bit prediv_bit */ +static struct clk_bit_info clk_bit_info[PERIPH_ID_COUNT] = { + {0, 0, -1}, + {4, 4, -1}, + {8, 8, -1}, + {12, 12, -1}, + {0, 0, 8}, + {4, 16, 24}, + {8, 0, 8}, + {12, 16, 24}, + {-1, -1, -1}, + {16, 0, 8}, + {20, 16, 24}, + {24, 0, 8}, + {0, 0, 4}, + {4, 12, 16}, + {-1, -1, -1}, + {-1, -1, -1}, + {-1, 24, 0}, + {-1, 24, 0}, + {-1, 24, 0}, + {-1, 24, 0}, + {-1, 24, 0}, + {-1, 24, 0}, + {-1, 24, 0}, + {-1, 24, 0}, + {24, 0, -1}, + {24, 0, -1}, + {24, 0, -1}, + {24, 0, -1}, + {24, 0, -1}, +}; + /* Epll Clock division values to achive different frequency output */ static struct set_epll_con_val exynos5_epll_div[] = { { 192000000, 0, 48, 3, 1, 0 }, @@ -201,6 +244,107 @@ static unsigned long exynos5_get_pll_clk(int pllreg) return fout; } +static unsigned long exynos5_get_periph_rate(int peripheral) +{ + struct clk_bit_info *bit_info = &clk_bit_info[peripheral]; + unsigned long sclk, sub_clk; + unsigned int src, div, sub_div; + struct exynos5_clock *clk = + (struct exynos5_clock *)samsung_get_base_clock(); + + switch (peripheral) { + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + case PERIPH_ID_UART3: + src = readl(&clk->src_peric0); + div = readl(&clk->div_peric0); + break; + case PERIPH_ID_PWM0: + case PERIPH_ID_PWM1: + case PERIPH_ID_PWM2: + case PERIPH_ID_PWM3: + case PERIPH_ID_PWM4: + src = readl(&clk->src_peric0); + div = readl(&clk->div_peric3); + break; + case PERIPH_ID_SPI0: + case PERIPH_ID_SPI1: + src = readl(&clk->src_peric1); + div = readl(&clk->div_peric1); + break; + case PERIPH_ID_SPI2: + src = readl(&clk->src_peric1); + div = readl(&clk->div_peric2); + break; + case PERIPH_ID_SPI3: + case PERIPH_ID_SPI4: + src = readl(&clk->sclk_src_isp); + div = readl(&clk->sclk_div_isp); + break; + case PERIPH_ID_SDMMC0: + case PERIPH_ID_SDMMC1: + case PERIPH_ID_SDMMC2: + case PERIPH_ID_SDMMC3: + src = readl(&clk->src_fsys); + div = readl(&clk->div_fsys1); + break; + case PERIPH_ID_I2C0: + case PERIPH_ID_I2C1: + case PERIPH_ID_I2C2: + case PERIPH_ID_I2C3: + case PERIPH_ID_I2C4: + case PERIPH_ID_I2C5: + case PERIPH_ID_I2C6: + case PERIPH_ID_I2C7: + sclk = exynos5_get_pll_clk(MPLL); + sub_div = ((readl(&clk->div_top1) >> bit_info->div_bit) + & 0x7) + 1; + div = ((readl(&clk->div_top0) >> bit_info->prediv_bit) + & 0x7) + 1; + return (sclk / sub_div) / div; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return -1; + }; + + src = (src >> bit_info->src_bit) & 0xf; + + switch (src) { + case EXYNOS_SRC_MPLL: + sclk = exynos5_get_pll_clk(MPLL); + break; + case EXYNOS_SRC_EPLL: + sclk = exynos5_get_pll_clk(EPLL); + break; + case EXYNOS_SRC_VPLL: + sclk = exynos5_get_pll_clk(VPLL); + break; + default: + return 0; + } + + /* Ratio clock division for this peripheral */ + sub_div = (div >> bit_info->div_bit) & 0xf; + sub_clk = sclk / (sub_div + 1); + + /* Pre-ratio clock division for SDMMC0 and 2 */ + if (peripheral == PERIPH_ID_SDMMC0 || peripheral == PERIPH_ID_SDMMC2) { + div = (div >> bit_info->prediv_bit) & 0xff; + return sub_clk / (div + 1); + } + + return sub_clk; +} + +unsigned long clock_get_periph_rate(int peripheral) +{ + if (cpu_is_exynos5()) + return exynos5_get_periph_rate(peripheral); + else + return 0; +} + /* exynos4: return ARM clock frequency */ static unsigned long exynos4_get_arm_clk(void) { @@ -324,27 +468,6 @@ static unsigned long exynos4x12_get_pwm_clk(void) return pclk; } -/* exynos5: return pwm clock frequency */ -static unsigned long exynos5_get_pwm_clk(void) -{ - struct exynos5_clock *clk = - (struct exynos5_clock *)samsung_get_base_clock(); - unsigned long pclk, sclk; - unsigned int ratio; - - /* - * CLK_DIV_PERIC3 - * PWM_RATIO [3:0] - */ - ratio = readl(&clk->div_peric3); - ratio = ratio & 0xf; - sclk = get_pll_clk(MPLL); - - pclk = sclk / (ratio + 1); - - return pclk; -} - /* exynos4: return uart clock frequency */ static unsigned long exynos4_get_uart_clk(int dev_index) { @@ -1210,7 +1333,7 @@ unsigned long get_i2c_clk(void) unsigned long get_pwm_clk(void) { if (cpu_is_exynos5()) - return exynos5_get_pwm_clk(); + return clock_get_periph_rate(PERIPH_ID_PWM0); else { if (proid_is_exynos4412()) return exynos4x12_get_pwm_clk(); diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index d4bce6d4dd..6375a81fd4 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -95,3 +95,48 @@ void set_dp_phy_ctrl(unsigned int enable) if (cpu_is_exynos5()) exynos5_dp_phy_control(enable); } + +static void exynos5_set_ps_hold_ctrl(void) +{ + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + + /* Set PS-Hold high */ + setbits_le32(&power->ps_hold_control, + EXYNOS_PS_HOLD_CONTROL_DATA_HIGH); +} + +void set_ps_hold_ctrl(void) +{ + if (cpu_is_exynos5()) + exynos5_set_ps_hold_ctrl(); +} + + +static void exynos5_set_xclkout(void) +{ + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + + /* use xxti for xclk out */ + clrsetbits_le32(&power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, + PMU_DEBUG_XXTI); +} + +void set_xclkout(void) +{ + if (cpu_is_exynos5()) + exynos5_set_xclkout(); +} + +/* Enables hardware tripping to power off the system when TMU fails */ +void set_hw_thermal_trip(void) +{ + if (cpu_is_exynos5()) { + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + + /* PS_HOLD_CONTROL register ENABLE_HW_TRIP bit*/ + setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP); + } +} diff --git a/arch/arm/cpu/armv7/exynos/soc.c b/arch/arm/cpu/armv7/exynos/soc.c index ab65b8d3a8..e948e4c638 100644 --- a/arch/arm/cpu/armv7/exynos/soc.c +++ b/arch/arm/cpu/armv7/exynos/soc.c @@ -23,6 +23,14 @@ #include <common.h> #include <asm/io.h> +#include <asm/system.h> + +enum l2_cache_params { + CACHE_TAG_RAM_SETUP = (1 << 9), + CACHE_DATA_RAM_SETUP = (1 << 5), + CACHE_TAG_RAM_LATENCY = (2 << 6), + CACHE_DATA_RAM_LATENCY = (2 << 0) +}; void reset_cpu(ulong addr) { @@ -36,3 +44,31 @@ void enable_caches(void) dcache_enable(); } #endif + +#ifndef CONFIG_SYS_L2CACHE_OFF +/* + * Set L2 cache parameters + */ +static void exynos5_set_l2cache_params(void) +{ + unsigned int val = 0; + + asm volatile("mrc p15, 1, %0, c9, c0, 2\n" : "=r"(val)); + + val |= CACHE_TAG_RAM_SETUP | + CACHE_DATA_RAM_SETUP | + CACHE_TAG_RAM_LATENCY | + CACHE_DATA_RAM_LATENCY; + + asm volatile("mcr p15, 1, %0, c9, c0, 2\n" : : "r"(val)); +} + +/* + * Sets L2 cache related parameters before enabling data cache + */ +void v7_outer_cache_enable(void) +{ + if (cpu_is_exynos5()) + exynos5_set_l2cache_params(); +} +#endif diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S index 6d9396a976..dfce0ca83e 100644 --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S @@ -309,8 +309,7 @@ setup_pll_func: ldr r0, =CCM_BASE_ADDR ldr r1, =0x00015154 str r1, [r0, #CLKCTL_CBCMR] - ldr r1, =0x02888945 - orr r1, r1, #(1 << 16) + ldr r1, =0x02898945 str r1, [r0, #CLKCTL_CBCDR] /* make sure change is effective */ 1: ldr r1, [r0, #CLKCTL_CDHIPR] @@ -321,10 +320,7 @@ setup_pll_func: /* Switch peripheral to PLL2 */ ldr r0, =CCM_BASE_ADDR - ldr r1, =0x00808145 - orr r1, r1, #(2 << 10) - orr r1, r1, #(0 << 16) - orr r1, r1, #(1 << 19) + ldr r1, =0x00888945 str r1, [r0, #CLKCTL_CBCDR] ldr r1, =0x00016154 diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile index 0efc80ddeb..55e82ba369 100644 --- a/arch/arm/cpu/armv7/omap-common/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -36,7 +36,7 @@ COBJS += emif-common.o COBJS += vc.o endif -ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),) +ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),) COBJS += boot-common.o SOBJS += lowlevel_init.o endif diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c index 9ed18995ea..2b955c7c00 100644 --- a/arch/arm/cpu/armv7/omap-common/clocks-common.c +++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c @@ -612,7 +612,7 @@ void freq_update_core(void) /* * Putting EMIF in HW_AUTO is seen to be causing issues with - * EMIF clocks and the master DLL. Put EMIF in SW_WKUP + * EMIF clocks and the master DLL. Keep EMIF in SW_WKUP * in OMAP5430 ES1.0 silicon */ if (omap_rev != OMAP5430_ES1_0) { @@ -659,7 +659,7 @@ void setup_clocks_for_console(void) MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << MODULE_CLKCTRL_MODULEMODE_SHIFT); - clrsetbits_le32((*prcm)->cm_l4per_uart3_clkctrl, + clrsetbits_le32((*prcm)->cm_l4per_uart4_clkctrl, MODULE_CLKCTRL_MODULEMODE_MASK, MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << MODULE_CLKCTRL_MODULEMODE_SHIFT); diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 9eb1279d41..cdb4439721 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -655,20 +655,27 @@ static u32 get_ddr_phy_ctrl_1(u32 freq, u8 RL) return phy; } -static u32 get_emif_mem_size(struct emif_device_details *devices) +static u32 get_emif_mem_size(u32 base) { u32 size_mbytes = 0, temp; + struct emif_device_details dev_details; + struct lpddr2_device_details cs0_dev_details, cs1_dev_details; + u32 emif_nr = emif_num(base); - if (!devices) - return 0; + emif_reset_phy(base); + dev_details.cs0_device_details = emif_get_device_details(emif_nr, CS0, + &cs0_dev_details); + dev_details.cs1_device_details = emif_get_device_details(emif_nr, CS1, + &cs1_dev_details); + emif_reset_phy(base); - if (devices->cs0_device_details) { - temp = devices->cs0_device_details->density; + if (dev_details.cs0_device_details) { + temp = dev_details.cs0_device_details->density; size_mbytes += lpddr2_density_2_size_in_mbytes[temp]; } - if (devices->cs1_device_details) { - temp = devices->cs1_device_details->density; + if (dev_details.cs1_device_details) { + temp = dev_details.cs1_device_details->density; size_mbytes += lpddr2_density_2_size_in_mbytes[temp]; } /* convert to bytes */ @@ -1040,13 +1047,9 @@ static void do_sdram_init(u32 base) /* Return if no devices on this EMIF */ if (!dev_details.cs0_device_details && !dev_details.cs1_device_details) { - emif_sizes[emif_nr - 1] = 0; return; } - if (!in_sdram) - emif_sizes[emif_nr - 1] = get_emif_mem_size(&dev_details); - /* * Get device timings: * - Default timings specified by JESD209-2 if @@ -1108,8 +1111,8 @@ void dmm_init(u32 base) mapped_size = 0; section_cnt = 3; sys_addr = CONFIG_SYS_SDRAM_BASE; - emif1_size = emif_sizes[0]; - emif2_size = emif_sizes[1]; + emif1_size = get_emif_mem_size(EMIF1_BASE); + emif2_size = get_emif_mem_size(EMIF2_BASE); debug("emif1_size 0x%x emif2_size 0x%x\n", emif1_size, emif2_size); if (!emif1_size && !emif2_size) diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index 05ff2e868f..70d16a8160 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -34,6 +34,12 @@ #include <asm/emif.h> #include <asm/omap_common.h> #include <linux/compiler.h> +#include <asm/cache.h> +#include <asm/system.h> + +#define ARMV7_DCACHE_WRITEBACK 0xe +#define ARMV7_DOMAIN_CLIENT 1 +#define ARMV7_DOMAIN_MASK (0x3 << 0) DECLARE_GLOBAL_DATA_PTR; @@ -269,4 +275,33 @@ void enable_caches(void) /* Enable D-cache. I-cache is already enabled in start.S */ dcache_enable(); } + +void dram_bank_mmu_setup(int bank) +{ + bd_t *bd = gd->bd; + int i; + + u32 start = bd->bi_dram[bank].start >> 20; + u32 size = bd->bi_dram[bank].size >> 20; + u32 end = start + size; + + debug("%s: bank: %d\n", __func__, bank); + for (i = start; i < end; i++) + set_section_dcache(i, ARMV7_DCACHE_WRITEBACK); + +} + +void arm_init_domains(void) +{ + u32 reg; + + reg = get_dacr(); + /* + * Set DOMAIN to client access so that all permissions + * set in pagetables are validated by the mmu. + */ + reg &= ~ARMV7_DOMAIN_MASK; + reg |= ARMV7_DOMAIN_CLIENT; + set_dacr(reg); +} #endif diff --git a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S index 358107776d..90b3c8aea4 100644 --- a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S @@ -26,6 +26,7 @@ * MA 02111-1307 USA */ +#include <config.h> #include <asm/arch/omap.h> #include <asm/arch/spl.h> #include <linux/linkage.h> @@ -59,10 +60,14 @@ ENTRY(save_boot_params) ldr r3, =boot_params strb r2, [r3, #BOOT_DEVICE_OFFSET] @ spl_boot_device <- r1 - /* boot mode is passed only for devices that can raw/fat mode */ - cmp r2, #BOOT_DEVICE_XIP + /* + * boot mode is only valid for device that can be raw or FAT booted. + * in other cases it may be fatal to look. While platforms differ + * in the values used for each MMC slot, they are contiguous. + */ + cmp r2, #MMC_BOOT_DEVICES_START blt 2f - cmp r2, #BOOT_DEVICE_MMC2 + cmp r2, #MMC_BOOT_DEVICES_END bgt 2f /* Store the boot mode (raw/FAT) in omap_bootmode */ ldr r2, [r0, #DEV_DESC_PTR_OFFSET] @ get the device descriptor ptr diff --git a/arch/arm/cpu/armv7/omap-common/timer.c b/arch/arm/cpu/armv7/omap-common/timer.c index 36bea5f94c..507f6873e9 100644 --- a/arch/arm/cpu/armv7/omap-common/timer.c +++ b/arch/arm/cpu/armv7/omap-common/timer.c @@ -34,6 +34,7 @@ #include <common.h> #include <asm/io.h> +#include <asm/arch/cpu.h> DECLARE_GLOBAL_DATA_PTR; diff --git a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds index 88f40698b6..bd218c07da 100644 --- a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds @@ -38,7 +38,7 @@ SECTIONS .text : { __start = .; - arch/arm/cpu/armv7/start.o (.text) + arch/arm/cpu/armv7/start.o (.text*) *(.text*) } >.sram @@ -58,6 +58,6 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } >.sdram } diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index c6d9a425a5..b72fadc257 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -328,14 +328,25 @@ void abort(void) *****************************************************************************/ static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { - if (argc != 2) + if (argc < 2 || argc > 3) goto usage; - if (strncmp(argv[1], "hw", 2) == 0) - omap_nand_switch_ecc(1); - else if (strncmp(argv[1], "sw", 2) == 0) - omap_nand_switch_ecc(0); - else + + if (strncmp(argv[1], "hw", 2) == 0) { + if (argc == 2) { + omap_nand_switch_ecc(1, 1); + } else { + if (strncmp(argv[2], "hamming", 7) == 0) + omap_nand_switch_ecc(1, 1); + else if (strncmp(argv[2], "bch8", 4) == 0) + omap_nand_switch_ecc(1, 8); + else + goto usage; + } + } else if (strncmp(argv[1], "sw", 2) == 0) { + omap_nand_switch_ecc(0, 0); + } else { goto usage; + } return 0; @@ -345,9 +356,13 @@ usage: } U_BOOT_CMD( - nandecc, 2, 1, do_switch_ecc, + nandecc, 3, 1, do_switch_ecc, "switch OMAP3 NAND ECC calculation algorithm", - "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm" + "hw [hamming|bch8] - Switch between NAND hardware 1-bit hamming and" + " 8-bit BCH\n" + " ecc calculation (second parameter may" + " be omitted).\n" + "nandecc sw - Switch to NAND software ecc algorithm." ); #endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */ diff --git a/arch/arm/cpu/armv7/omap3/sys_info.c b/arch/arm/cpu/armv7/omap3/sys_info.c index 3c80113502..08a63d266e 100644 --- a/arch/arm/cpu/armv7/omap3/sys_info.c +++ b/arch/arm/cpu/armv7/omap3/sys_info.c @@ -299,9 +299,9 @@ int print_cpuinfo (void) } if ((get_cpu_rev() >= CPU_3XX_ES31) && (get_sku_id() == SKUID_CLK_720MHZ)) - max_clk = "720 mHz"; + max_clk = "720 MHz"; else - max_clk = "600 mHz"; + max_clk = "600 MHz"; break; case CPU_AM35XX: diff --git a/arch/arm/cpu/armv7/omap4/emif.c b/arch/arm/cpu/armv7/omap4/emif.c index ca4823dd79..53f60635b1 100644 --- a/arch/arm/cpu/armv7/omap4/emif.c +++ b/arch/arm/cpu/armv7/omap4/emif.c @@ -33,7 +33,6 @@ #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS u32 *const T_num = (u32 *)OMAP4_SRAM_SCRATCH_EMIF_T_NUM; u32 *const T_den = (u32 *)OMAP4_SRAM_SCRATCH_EMIF_T_DEN; -u32 *const emif_sizes = (u32 *)OMAP4_SRAM_SCRATCH_EMIF_SIZE; #endif #ifdef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c index 7551b9861e..04977b4f2b 100644 --- a/arch/arm/cpu/armv7/omap4/hw_data.c +++ b/arch/arm/cpu/armv7/omap4/hw_data.c @@ -216,14 +216,14 @@ struct dplls omap4460_dplls = { struct pmic_data twl6030_4430es1 = { .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV, - .step = 12660, /* 10 mV represented in uV */ + .step = 12660, /* 12.66 mV represented in uV */ /* The code starts at 1 not 0 */ .start_code = 1, }; struct pmic_data twl6030 = { .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV, - .step = 12660, /* 10 mV represented in uV */ + .step = 12660, /* 12.66 mV represented in uV */ /* The code starts at 1 not 0 */ .start_code = 1, }; @@ -271,11 +271,11 @@ struct vcores_data omap4460_volts = { .core.value = 1200, .core.addr = SMPS_REG_ADDR_VCORE1, - .core.pmic = &tps62361, + .core.pmic = &twl6030, .mm.value = 1200, .mm.addr = SMPS_REG_ADDR_VCORE2, - .mm.pmic = &tps62361, + .mm.pmic = &twl6030, }; /* diff --git a/arch/arm/cpu/armv7/omap5/emif.c b/arch/arm/cpu/armv7/omap5/emif.c index 8019ffe3d3..3f37abdf83 100644 --- a/arch/arm/cpu/armv7/omap5/emif.c +++ b/arch/arm/cpu/armv7/omap5/emif.c @@ -34,7 +34,6 @@ #define print_timing_reg(reg) debug(#reg" - 0x%08x\n", (reg)) static u32 *const T_num = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_T_NUM; static u32 *const T_den = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_T_DEN; -static u32 *const emif_sizes = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_SIZE; #endif #ifdef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS diff --git a/arch/arm/cpu/armv7/s5p-common/pwm.c b/arch/arm/cpu/armv7/s5p-common/pwm.c index 44d7bc360e..6f401b8d9e 100644 --- a/arch/arm/cpu/armv7/s5p-common/pwm.c +++ b/arch/arm/cpu/armv7/s5p-common/pwm.c @@ -70,7 +70,7 @@ static unsigned long pwm_calc_tin(int pwm_id, unsigned long freq) return tin_parent_rate / 16; } -#define NS_IN_HZ (1000000000UL) +#define NS_IN_SEC 1000000000UL int pwm_config(int pwm_id, int duty_ns, int period_ns) { @@ -79,7 +79,7 @@ int pwm_config(int pwm_id, int duty_ns, int period_ns) unsigned int offset; unsigned long tin_rate; unsigned long tin_ns; - unsigned long period; + unsigned long frequency; unsigned long tcon; unsigned long tcnt; unsigned long tcmp; @@ -89,34 +89,24 @@ int pwm_config(int pwm_id, int duty_ns, int period_ns) * fact that anything faster than 1GHz is easily representable * by 32bits. */ - if (period_ns > NS_IN_HZ || duty_ns > NS_IN_HZ) + if (period_ns > NS_IN_SEC || duty_ns > NS_IN_SEC || period_ns == 0) return -ERANGE; if (duty_ns > period_ns) return -EINVAL; - period = NS_IN_HZ / period_ns; + frequency = NS_IN_SEC / period_ns; /* Check to see if we are changing the clock rate of the PWM */ - tin_rate = pwm_calc_tin(pwm_id, period); + tin_rate = pwm_calc_tin(pwm_id, frequency); - tin_ns = NS_IN_HZ / tin_rate; + tin_ns = NS_IN_SEC / tin_rate; tcnt = period_ns / tin_ns; /* Note, counters count down */ tcmp = duty_ns / tin_ns; tcmp = tcnt - tcmp; - /* - * the pwm hw only checks the compare register after a decrement, - * so the pin never toggles if tcmp = tcnt - */ - if (tcmp == tcnt) - tcmp--; - - if (tcmp < 0) - tcmp = 0; - /* Update the PWM register block. */ offset = pwm_id * 3; if (pwm_id < 4) { @@ -143,7 +133,7 @@ int pwm_init(int pwm_id, int div, int invert) u32 val; const struct s5p_timer *pwm = (struct s5p_timer *)samsung_get_base_timer(); - unsigned long timer_rate_hz; + unsigned long ticks_per_period; unsigned int offset, prescaler; /* @@ -167,14 +157,24 @@ int pwm_init(int pwm_id, int div, int invert) val |= (div & 0xf) << MUX_DIV_SHIFT(pwm_id); writel(val, &pwm->tcfg1); - timer_rate_hz = get_pwm_clk() / ((prescaler + 1) * - (div + 1)); + if (pwm_id == 4) { + /* + * TODO(sjg): Use this as a countdown timer for now. We count + * down from the maximum value to 0, then reset. + */ + ticks_per_period = -1UL; + } else { + const unsigned long pwm_hz = 1000; + unsigned long timer_rate_hz = get_pwm_clk() / + ((prescaler + 1) * (1 << div)); - timer_rate_hz = timer_rate_hz / CONFIG_SYS_HZ; + ticks_per_period = timer_rate_hz / pwm_hz; + } /* set count value */ offset = pwm_id * 3; - writel(timer_rate_hz, &pwm->tcntb0 + offset); + + writel(ticks_per_period, &pwm->tcntb0 + offset); val = readl(&pwm->tcon) & ~(0xf << TCON_OFFSET(pwm_id)); if (invert && (pwm_id < 4)) diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c index e78c716d3f..6a0fa5862e 100644 --- a/arch/arm/cpu/armv7/s5p-common/timer.c +++ b/arch/arm/cpu/armv7/s5p-common/timer.c @@ -39,13 +39,33 @@ static inline struct s5p_timer *s5p_get_base_timer(void) return (struct s5p_timer *)samsung_get_base_timer(); } +/** + * Read the countdown timer. + * + * This operates at 1MHz and counts downwards. It will wrap about every + * hour (2^32 microseconds). + * + * @return current value of timer + */ +static unsigned long timer_get_us_down(void) +{ + struct s5p_timer *const timer = s5p_get_base_timer(); + + return readl(&timer->tcnto4); +} + int timer_init(void) { /* PWM Timer 4 */ - pwm_init(4, MUX_DIV_2, 0); - pwm_config(4, 0, 0); + pwm_init(4, MUX_DIV_4, 0); + pwm_config(4, 100000, 100000); pwm_enable(4); + /* Use this as the current monotonic time in us */ + gd->arch.timer_reset_value = 0; + + /* Use this as the last timer value we saw */ + gd->arch.lastinc = timer_get_us_down(); reset_timer_masked(); return 0; @@ -56,81 +76,52 @@ int timer_init(void) */ unsigned long get_timer(unsigned long base) { - return get_timer_masked() - base; -} + ulong now = timer_get_us_down(); + + /* + * Increment the time by the amount elapsed since the last read. + * The timer may have wrapped around, but it makes no difference to + * our arithmetic here. + */ + gd->arch.timer_reset_value += gd->arch.lastinc - now; + gd->arch.lastinc = now; -/* delay x useconds */ -void __udelay(unsigned long usec) -{ - struct s5p_timer *const timer = s5p_get_base_timer(); - unsigned long tmo, tmp, count_value; - - count_value = readl(&timer->tcntb4); - - if (usec >= 1000) { - /* - * if "big" number, spread normalization - * to seconds - * 1. start to normalize for usec to ticks per sec - * 2. find number of "ticks" to wait to achieve target - * 3. finish normalize. - */ - tmo = usec / 1000; - tmo *= (CONFIG_SYS_HZ * count_value); - tmo /= 1000; - } else { - /* else small number, don't kill it prior to HZ multiply */ - tmo = usec * CONFIG_SYS_HZ * count_value; - tmo /= (1000 * 1000); - } - - /* get current timestamp */ - tmp = get_current_tick(); - - /* if setting this fordward will roll time stamp */ - /* reset "advancing" timestamp to 0, set lastinc value */ - /* else, set advancing stamp wake up time */ - if ((tmo + tmp + 1) < tmp) - reset_timer_masked(); - else - tmo += tmp; - - /* loop till event */ - while (get_current_tick() < tmo) - ; /* nop */ + /* Divide by 1000 to convert from us to ms */ + return gd->arch.timer_reset_value / 1000 - base; } -void reset_timer_masked(void) +unsigned long timer_get_us(void) { - struct s5p_timer *const timer = s5p_get_base_timer(); + static unsigned long base_time_us; - /* reset time */ - gd->arch.lastinc = readl(&timer->tcnto4); - gd->arch.tbl = 0; + struct s5p_timer *const timer = + (struct s5p_timer *)samsung_get_base_timer(); + unsigned long now_downward_us = readl(&timer->tcnto4); + + if (!base_time_us) + base_time_us = now_downward_us; + + /* Note that this timer counts downward. */ + return base_time_us - now_downward_us; } -unsigned long get_timer_masked(void) +/* delay x useconds */ +void __udelay(unsigned long usec) { - struct s5p_timer *const timer = s5p_get_base_timer(); - unsigned long count_value = readl(&timer->tcntb4); + unsigned long count_value; - return get_current_tick() / count_value; + count_value = timer_get_us_down(); + while ((int)(count_value - timer_get_us_down()) < (int)usec) + ; } -unsigned long get_current_tick(void) +void reset_timer_masked(void) { struct s5p_timer *const timer = s5p_get_base_timer(); - unsigned long now = readl(&timer->tcnto4); - unsigned long count_value = readl(&timer->tcntb4); - - if (gd->arch.lastinc >= now) - gd->arch.tbl += gd->arch.lastinc - now; - else - gd->arch.tbl += gd->arch.lastinc + count_value - now; - - gd->arch.lastinc = now; - return gd->arch.tbl; + /* reset time */ + gd->arch.lastinc = readl(&timer->tcnto4); + gd->arch.tbl = 0; } /* diff --git a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds index 7cd409cca2..15f8c01a9a 100644 --- a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds @@ -27,7 +27,7 @@ SECTIONS . = ALIGN(4); .text : { - arch/arm/cpu/armv7/start.o (.text) + arch/arm/cpu/armv7/start.o (.text*) *(.text*) } >.sdram @@ -46,7 +46,7 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } >.sdram . = ALIGN(8); diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 30f02d3943..61da7acde9 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -81,7 +81,11 @@ _end_vect: .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -90,13 +94,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start -.global _image_copy_end_ofs +.globl _image_copy_end_ofs _image_copy_end_ofs: - .word __image_copy_end - _start + .word __image_copy_end - _start .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -161,28 +165,23 @@ reset: #ifndef CONFIG_SPL_BUILD /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ ENTRY(relocate_code) - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -190,7 +189,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ @@ -254,7 +252,6 @@ ENTRY(c_runtime_cpu_setup) #if !defined(CONFIG_TEGRA) /* Set vector address in CP15 VBAR register */ ldr r0, =_start - add r0, r0, r9 mcr p15, 0, r0, c12, c0, 0 @Set VBAR #endif /* !Tegra */ @@ -310,6 +307,12 @@ ENTRY(cpu_init_cp15) #endif mcr p15, 0, r0, c1, c0, 0 +#ifdef CONFIG_ARM_ERRATA_716044 + mrc p15, 0, r0, c1, c0, 0 @ read system control register + orr r0, r0, #1 << 11 @ set bit #11 + mcr p15, 0, r0, c1, c0, 0 @ write system control register +#endif + #ifdef CONFIG_ARM_ERRATA_742230 mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register orr r0, r0, #1 << 4 @ set bit #4 @@ -460,9 +463,10 @@ ENDPROC(cpu_init_crit) @ spots for abort stack str lr, [r0] @ save caller lr in position 0 @ of saved stack - mrs r0, spsr @ get the spsr + mrs lr, spsr @ get the spsr str lr, [r0, #4] @ save spsr in position 1 of @ saved stack + ldr lr, [r0] @ restore lr ldr r0, [r13] @ restore r0 add r13, r13, #4 @ pop stack entry .endm diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S index efb5a400cf..69ef8aa61f 100644 --- a/arch/arm/cpu/ixp/start.S +++ b/arch/arm/cpu/ixp/start.S @@ -98,7 +98,11 @@ _fiq: .word fiq .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -110,9 +114,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -250,29 +258,24 @@ reset: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -281,7 +284,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds index 5e66dd142c..553589ca6c 100644 --- a/arch/arm/cpu/ixp/u-boot.lds +++ b/arch/arm/cpu/ixp/u-boot.lds @@ -54,6 +54,8 @@ SECTIONS . = ALIGN(4); + __image_copy_end = .; + .rel.dyn : { __rel_dyn_start = .; *(.rel*) @@ -67,17 +69,23 @@ SECTIONS _end = .; +/* + * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c + * __bss_base and __bss_limit are for linker only (overlay ordering) + */ + .bss_start __rel_dyn_start (OVERLAY) : { KEEP(*(.__bss_start)); + __bss_base = .; } - .bss __bss_start (OVERLAY) : { + .bss __bss_base (OVERLAY) : { *(.bss*) . = ALIGN(4); - ___bssend___ = .; + __bss_limit = .; } - .bss_end ___bssend___ (OVERLAY) : { - KEEP(*(.__bss_end__)); + .bss_end __bss_limit (OVERLAY) : { + KEEP(*(.__bss_end)); } /DISCARD/ : { *(.dynstr*) } diff --git a/arch/arm/cpu/pxa/Makefile b/arch/arm/cpu/pxa/Makefile index e088832560..9f63c3401b 100644 --- a/arch/arm/cpu/pxa/Makefile +++ b/arch/arm/cpu/pxa/Makefile @@ -33,7 +33,6 @@ COBJS-$(CONFIG_CPU_PXA27X) = pxa2xx.o COBJS-y += cpuinfo.o COBJS = $(COBJS-y) -COBJS += pxafb.o COBJS += timer.o COBJS += usb.o diff --git a/arch/arm/cpu/pxa/pxafb.c b/arch/arm/cpu/pxa/pxafb.c deleted file mode 100644 index 987fa0682c..0000000000 --- a/arch/arm/cpu/pxa/pxafb.c +++ /dev/null @@ -1,652 +0,0 @@ -/* - * PXA LCD Controller - * - * (C) Copyright 2001-2002 - * Wolfgang Denk, DENX Software Engineering -- wd@denx.de - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/************************************************************************/ -/* ** HEADER FILES */ -/************************************************************************/ - -#include <config.h> -#include <common.h> -#include <version.h> -#include <stdarg.h> -#include <linux/types.h> -#include <stdio_dev.h> -#include <lcd.h> -#include <asm/arch/pxa-regs.h> -#include <asm/io.h> - -/* #define DEBUG */ - -#ifdef CONFIG_LCD - -/*----------------------------------------------------------------------*/ -/* - * Define panel bpp, LCCR0, LCCR3 and panel_info video struct for - * your display. - */ - -#ifdef CONFIG_PXA_VGA -/* LCD outputs connected to a video DAC */ -# define LCD_BPP LCD_COLOR8 - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x003008f8 -# define REG_LCCR3 0x0300FF01 - -/* 640x480x16 @ 61 Hz */ -vidinfo_t panel_info = { - .vl_col = 640, - .vl_row = 480, - .vl_width = 640, - .vl_height = 480, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_HIGH, - .vl_hsp = CONFIG_SYS_HIGH, - .vl_vsp = CONFIG_SYS_HIGH, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 0, - .vl_clor = 0, - .vl_tft = 1, - .vl_hpw = 40, - .vl_blw = 56, - .vl_elw = 56, - .vl_vpw = 20, - .vl_bfw = 8, - .vl_efw = 8, -}; -#endif /* CONFIG_PXA_VIDEO */ - -/*----------------------------------------------------------------------*/ -#ifdef CONFIG_SHARP_LM8V31 - -# define LCD_BPP LCD_COLOR8 -# define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */ - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x0030087C -# define REG_LCCR3 0x0340FF08 - -vidinfo_t panel_info = { - .vl_col = 640, - .vl_row = 480, - .vl_width = 157, - .vl_height = 118, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_HIGH, - .vl_hsp = CONFIG_SYS_HIGH, - .vl_vsp = CONFIG_SYS_HIGH, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 1, - .vl_clor = 1, - .vl_tft = 0, - .vl_hpw = 1, - .vl_blw = 3, - .vl_elw = 3, - .vl_vpw = 1, - .vl_bfw = 0, - .vl_efw = 0, -}; -#endif /* CONFIG_SHARP_LM8V31 */ -/*----------------------------------------------------------------------*/ -#ifdef CONFIG_VOIPAC_LCD - -# define LCD_BPP LCD_COLOR8 -# define LCD_INVERT_COLORS - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x043008f8 -# define REG_LCCR3 0x0340FF08 - -vidinfo_t panel_info = { - .vl_col = 640, - .vl_row = 480, - .vl_width = 157, - .vl_height = 118, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_HIGH, - .vl_hsp = CONFIG_SYS_HIGH, - .vl_vsp = CONFIG_SYS_HIGH, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 1, - .vl_clor = 1, - .vl_tft = 1, - .vl_hpw = 32, - .vl_blw = 144, - .vl_elw = 32, - .vl_vpw = 2, - .vl_bfw = 13, - .vl_efw = 30, -}; -#endif /* CONFIG_VOIPAC_LCD */ - -/*----------------------------------------------------------------------*/ -#ifdef CONFIG_HITACHI_SX14 -/* Hitachi SX14Q004-ZZA color STN LCD */ -#define LCD_BPP LCD_COLOR8 - -/* you have to set lccr0 and lccr3 (including pcd) */ -#define REG_LCCR0 0x00301079 -#define REG_LCCR3 0x0340FF20 - -vidinfo_t panel_info = { - .vl_col = 320, - .vl_row = 240, - .vl_width = 167, - .vl_height = 109, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_HIGH, - .vl_hsp = CONFIG_SYS_HIGH, - .vl_vsp = CONFIG_SYS_HIGH, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 1, - .vl_splt = 0, - .vl_clor = 1, - .vl_tft = 0, - .vl_hpw = 1, - .vl_blw = 1, - .vl_elw = 1, - .vl_vpw = 7, - .vl_bfw = 0, - .vl_efw = 0, -}; -#endif /* CONFIG_HITACHI_SX14 */ - -/*----------------------------------------------------------------------*/ -#ifdef CONFIG_LMS283GF05 - -# define LCD_BPP LCD_COLOR8 -/*# define LCD_INVERT_COLORS*/ - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x043008f8 -# define REG_LCCR3 0x03b00009 - -vidinfo_t panel_info = { - .vl_col = 240, - .vl_row = 320, - .vl_width = 240, - .vl_height = 320, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_LOW, - .vl_hsp = CONFIG_SYS_LOW, - .vl_vsp = CONFIG_SYS_LOW, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 1, - .vl_clor = 1, - .vl_tft = 1, - .vl_hpw = 4, - .vl_blw = 4, - .vl_elw = 8, - .vl_vpw = 4, - .vl_bfw = 4, - .vl_efw = 8, -}; -#endif /* CONFIG_LMS283GF05 */ - -/*----------------------------------------------------------------------*/ - -#ifdef CONFIG_ACX517AKN - -# define LCD_BPP LCD_COLOR8 - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x003008f9 -# define REG_LCCR3 0x03700006 - -vidinfo_t panel_info = { - .vl_col = 320, - .vl_row = 320, - .vl_width = 320, - .vl_height = 320, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_LOW, - .vl_hsp = CONFIG_SYS_LOW, - .vl_vsp = CONFIG_SYS_LOW, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 1, - .vl_clor = 1, - .vl_tft = 1, - .vl_hpw = 0x04, - .vl_blw = 0x1c, - .vl_elw = 0x08, - .vl_vpw = 0x01, - .vl_bfw = 0x07, - .vl_efw = 0x08, -}; -#endif /* CONFIG_ACX517AKN */ - -/*----------------------------------------------------------------------*/ - -#ifdef CONFIG_LQ038J7DH53 - -# define LCD_BPP LCD_COLOR8 - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x003008f9 -# define REG_LCCR3 0x03700004 - -vidinfo_t panel_info = { - .vl_col = 320, - .vl_row = 480, - .vl_width = 320, - .vl_height = 480, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_LOW, - .vl_hsp = CONFIG_SYS_LOW, - .vl_vsp = CONFIG_SYS_LOW, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 1, - .vl_clor = 1, - .vl_tft = 1, - .vl_hpw = 0x04, - .vl_blw = 0x20, - .vl_elw = 0x01, - .vl_vpw = 0x01, - .vl_bfw = 0x04, - .vl_efw = 0x01, -}; -#endif /* CONFIG_ACX517AKN */ - -/*----------------------------------------------------------------------*/ - -#ifdef CONFIG_LITTLETON_LCD -# define LCD_BPP LCD_COLOR8 - -/* you have to set lccr0 and lccr3 (including pcd) */ -# define REG_LCCR0 0x003008f8 -# define REG_LCCR3 0x0300FF04 - -vidinfo_t panel_info = { - .vl_col = 480, - .vl_row = 640, - .vl_width = 480, - .vl_height = 640, - .vl_clkp = CONFIG_SYS_HIGH, - .vl_oep = CONFIG_SYS_HIGH, - .vl_hsp = CONFIG_SYS_HIGH, - .vl_vsp = CONFIG_SYS_HIGH, - .vl_dp = CONFIG_SYS_HIGH, - .vl_bpix = LCD_BPP, - .vl_lbw = 0, - .vl_splt = 0, - .vl_clor = 0, - .vl_tft = 1, - .vl_hpw = 9, - .vl_blw = 8, - .vl_elw = 24, - .vl_vpw = 2, - .vl_bfw = 2, - .vl_efw = 4, -}; -#endif /* CONFIG_LITTLETON_LCD */ - -/*----------------------------------------------------------------------*/ - -#if LCD_BPP == LCD_COLOR8 -void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue); -#endif -#if LCD_BPP == LCD_MONOCHROME -void lcd_initcolregs (void); -#endif - -#ifdef NOT_USED_SO_FAR -void lcd_disable (void); -void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue); -#endif /* NOT_USED_SO_FAR */ - -void lcd_ctrl_init (void *lcdbase); -void lcd_enable (void); - -int lcd_line_length; -int lcd_color_fg; -int lcd_color_bg; - -void *lcd_base; /* Start of framebuffer memory */ -void *lcd_console_address; /* Start of console buffer */ - -short console_col; -short console_row; - -static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid); -static void pxafb_setup_gpio (vidinfo_t *vid); -static void pxafb_enable_controller (vidinfo_t *vid); -static int pxafb_init (vidinfo_t *vid); -/************************************************************************/ - -/************************************************************************/ -/* --------------- PXA chipset specific functions ------------------- */ -/************************************************************************/ - -void lcd_ctrl_init (void *lcdbase) -{ - pxafb_init_mem(lcdbase, &panel_info); - pxafb_init(&panel_info); - pxafb_setup_gpio(&panel_info); - pxafb_enable_controller(&panel_info); -} - -/*----------------------------------------------------------------------*/ -#ifdef NOT_USED_SO_FAR -void -lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue) -{ -} -#endif /* NOT_USED_SO_FAR */ - -/*----------------------------------------------------------------------*/ -#if LCD_BPP == LCD_COLOR8 -void -lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) -{ - struct pxafb_info *fbi = &panel_info.pxa; - unsigned short *palette = (unsigned short *)fbi->palette; - u_int val; - - if (regno < fbi->palette_size) { - val = ((red << 8) & 0xf800); - val |= ((green << 4) & 0x07e0); - val |= (blue & 0x001f); - -#ifdef LCD_INVERT_COLORS - palette[regno] = ~val; -#else - palette[regno] = val; -#endif - } - - debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %04X\n", - regno, &palette[regno], - red, green, blue, - palette[regno]); -} -#endif /* LCD_COLOR8 */ - -/*----------------------------------------------------------------------*/ -#if LCD_BPP == LCD_MONOCHROME -void lcd_initcolregs (void) -{ - struct pxafb_info *fbi = &panel_info.pxa; - cmap = (ushort *)fbi->palette; - ushort regno; - - for (regno = 0; regno < 16; regno++) { - cmap[regno * 2] = 0; - cmap[(regno * 2) + 1] = regno & 0x0f; - } -} -#endif /* LCD_MONOCHROME */ - -/*----------------------------------------------------------------------*/ -void lcd_enable (void) -{ -} - -/*----------------------------------------------------------------------*/ -#ifdef NOT_USED_SO_FAR -static void lcd_disable (void) -{ -} -#endif /* NOT_USED_SO_FAR */ - -/*----------------------------------------------------------------------*/ - -/************************************************************************/ -/* ** PXA255 specific routines */ -/************************************************************************/ - -/* - * Calculate fb size for VIDEOLFB_ATAG. Size returned contains fb, - * descriptors and palette areas. - */ -ulong calc_fbsize (void) -{ - ulong size; - int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; - - size = line_length * panel_info.vl_row; - size += PAGE_SIZE; - - return size; -} - -static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid) -{ - u_long palette_mem_size; - struct pxafb_info *fbi = &vid->pxa; - int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8; - - fbi->screen = (u_long)lcdbase; - - fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16; - palette_mem_size = fbi->palette_size * sizeof(u16); - - debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); - /* locate palette and descs at end of page following fb */ - fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size; - - return 0; -} -#ifdef CONFIG_CPU_MONAHANS -static inline void pxafb_setup_gpio (vidinfo_t *vid) {} -#else -static void pxafb_setup_gpio (vidinfo_t *vid) -{ - u_long lccr0; - - /* - * setup is based on type of panel supported - */ - - lccr0 = vid->pxa.reg_lccr0; - - /* 4 bit interface */ - if ((lccr0 & LCCR0_CMS) && (lccr0 & LCCR0_SDS) && !(lccr0 & LCCR0_DPD)) - { - debug("Setting GPIO for 4 bit data\n"); - /* bits 58-61 */ - writel(readl(GPDR1) | (0xf << 26), GPDR1); - writel((readl(GAFR1_U) & ~(0xff << 20)) | (0xaa << 20), - GAFR1_U); - - /* bits 74-77 */ - writel(readl(GPDR2) | (0xf << 10), GPDR2); - writel((readl(GAFR2_L) & ~(0xff << 20)) | (0xaa << 20), - GAFR2_L); - } - - /* 8 bit interface */ - else if (((lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_DPD))) || - (!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS))) - { - debug("Setting GPIO for 8 bit data\n"); - /* bits 58-65 */ - writel(readl(GPDR1) | (0x3f << 26), GPDR1); - writel(readl(GPDR2) | (0x3), GPDR2); - - writel((readl(GAFR1_U) & ~(0xfff << 20)) | (0xaaa << 20), - GAFR1_U); - writel((readl(GAFR2_L) & ~0xf) | (0xa), GAFR2_L); - - /* bits 74-77 */ - writel(readl(GPDR2) | (0xf << 10), GPDR2); - writel((readl(GAFR2_L) & ~(0xff << 20)) | (0xaa << 20), - GAFR2_L); - } - - /* 16 bit interface */ - else if (!(lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_PAS))) - { - debug("Setting GPIO for 16 bit data\n"); - /* bits 58-77 */ - writel(readl(GPDR1) | (0x3f << 26), GPDR1); - writel(readl(GPDR2) | 0x00003fff, GPDR2); - - writel((readl(GAFR1_U) & ~(0xfff << 20)) | (0xaaa << 20), - GAFR1_U); - writel((readl(GAFR2_L) & 0xf0000000) | 0x0aaaaaaa, GAFR2_L); - } - else - { - printf("pxafb_setup_gpio: unable to determine bits per pixel\n"); - } -} -#endif - -static void pxafb_enable_controller (vidinfo_t *vid) -{ - debug("Enabling LCD controller\n"); - - /* Sequence from 11.7.10 */ - writel(vid->pxa.reg_lccr3, LCCR3); - writel(vid->pxa.reg_lccr2, LCCR2); - writel(vid->pxa.reg_lccr1, LCCR1); - writel(vid->pxa.reg_lccr0 & ~LCCR0_ENB, LCCR0); - writel(vid->pxa.fdadr0, FDADR0); - writel(vid->pxa.fdadr1, FDADR1); - writel(readl(LCCR0) | LCCR0_ENB, LCCR0); - -#ifdef CONFIG_CPU_MONAHANS - writel(readl(CKENA) | CKENA_1_LCD, CKENA); -#else - writel(readl(CKEN) | CKEN16_LCD, CKEN); -#endif - - debug("FDADR0 = 0x%08x\n", readl(FDADR0)); - debug("FDADR1 = 0x%08x\n", readl(FDADR1)); - debug("LCCR0 = 0x%08x\n", readl(LCCR0)); - debug("LCCR1 = 0x%08x\n", readl(LCCR1)); - debug("LCCR2 = 0x%08x\n", readl(LCCR2)); - debug("LCCR3 = 0x%08x\n", readl(LCCR3)); -} - -static int pxafb_init (vidinfo_t *vid) -{ - struct pxafb_info *fbi = &vid->pxa; - - debug("Configuring PXA LCD\n"); - - fbi->reg_lccr0 = REG_LCCR0; - fbi->reg_lccr3 = REG_LCCR3; - - debug("vid: vl_col=%d hslen=%d lm=%d rm=%d\n", - vid->vl_col, vid->vl_hpw, - vid->vl_blw, vid->vl_elw); - debug("vid: vl_row=%d vslen=%d um=%d bm=%d\n", - vid->vl_row, vid->vl_vpw, - vid->vl_bfw, vid->vl_efw); - - fbi->reg_lccr1 = - LCCR1_DisWdth(vid->vl_col) + - LCCR1_HorSnchWdth(vid->vl_hpw) + - LCCR1_BegLnDel(vid->vl_blw) + - LCCR1_EndLnDel(vid->vl_elw); - - fbi->reg_lccr2 = - LCCR2_DisHght(vid->vl_row) + - LCCR2_VrtSnchWdth(vid->vl_vpw) + - LCCR2_BegFrmDel(vid->vl_bfw) + - LCCR2_EndFrmDel(vid->vl_efw); - - fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP); - fbi->reg_lccr3 |= (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH) - | (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH); - - - /* setup dma descriptors */ - fbi->dmadesc_fblow = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 3*16); - fbi->dmadesc_fbhigh = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 2*16); - fbi->dmadesc_palette = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 1*16); - - #define BYTES_PER_PANEL ((fbi->reg_lccr0 & LCCR0_SDS) ? \ - (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8 / 2) : \ - (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8)) - - /* populate descriptors */ - fbi->dmadesc_fblow->fdadr = (u_long)fbi->dmadesc_fblow; - fbi->dmadesc_fblow->fsadr = fbi->screen + BYTES_PER_PANEL; - fbi->dmadesc_fblow->fidr = 0; - fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL; - - fbi->fdadr1 = (u_long)fbi->dmadesc_fblow; /* only used in dual-panel mode */ - - fbi->dmadesc_fbhigh->fsadr = fbi->screen; - fbi->dmadesc_fbhigh->fidr = 0; - fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL; - - fbi->dmadesc_palette->fsadr = fbi->palette; - fbi->dmadesc_palette->fidr = 0; - fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL; - - if( NBITS(vid->vl_bpix) < 12) - { - /* assume any mode with <12 bpp is palette driven */ - fbi->dmadesc_palette->fdadr = (u_long)fbi->dmadesc_fbhigh; - fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_palette; - /* flips back and forth between pal and fbhigh */ - fbi->fdadr0 = (u_long)fbi->dmadesc_palette; - } - else - { - /* palette shouldn't be loaded in true-color mode */ - fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_fbhigh; - fbi->fdadr0 = (u_long)fbi->dmadesc_fbhigh; /* no pal just fbhigh */ - } - - debug("fbi->dmadesc_fblow = 0x%lx\n", (u_long)fbi->dmadesc_fblow); - debug("fbi->dmadesc_fbhigh = 0x%lx\n", (u_long)fbi->dmadesc_fbhigh); - debug("fbi->dmadesc_palette = 0x%lx\n", (u_long)fbi->dmadesc_palette); - - debug("fbi->dmadesc_fblow->fdadr = 0x%lx\n", fbi->dmadesc_fblow->fdadr); - debug("fbi->dmadesc_fbhigh->fdadr = 0x%lx\n", fbi->dmadesc_fbhigh->fdadr); - debug("fbi->dmadesc_palette->fdadr = 0x%lx\n", fbi->dmadesc_palette->fdadr); - - debug("fbi->dmadesc_fblow->fsadr = 0x%lx\n", fbi->dmadesc_fblow->fsadr); - debug("fbi->dmadesc_fbhigh->fsadr = 0x%lx\n", fbi->dmadesc_fbhigh->fsadr); - debug("fbi->dmadesc_palette->fsadr = 0x%lx\n", fbi->dmadesc_palette->fsadr); - - debug("fbi->dmadesc_fblow->ldcmd = 0x%lx\n", fbi->dmadesc_fblow->ldcmd); - debug("fbi->dmadesc_fbhigh->ldcmd = 0x%lx\n", fbi->dmadesc_fbhigh->ldcmd); - debug("fbi->dmadesc_palette->ldcmd = 0x%lx\n", fbi->dmadesc_palette->ldcmd); - - return 0; -} - -/************************************************************************/ -/************************************************************************/ - -#endif /* CONFIG_LCD */ diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S index e71803eb2e..ada91a66c9 100644 --- a/arch/arm/cpu/pxa/start.S +++ b/arch/arm/cpu/pxa/start.S @@ -102,7 +102,7 @@ _end_vect: .globl _TEXT_BASE _TEXT_BASE: -#ifdef CONFIG_SPL_BUILD +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) .word CONFIG_SPL_TEXT_BASE #else .word CONFIG_SYS_TEXT_BASE @@ -118,9 +118,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -169,17 +173,13 @@ reset: /*------------------------------------------------------------------------------*/ #ifndef CONFIG_SPL_BUILD /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ /* Disable the Dcache RAM lock for stack now */ #ifdef CONFIG_CPU_PXA25X @@ -189,16 +189,15 @@ relocate_code: #endif adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -207,7 +206,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ @@ -387,8 +385,9 @@ cpu_init_crit: str r0, [r13] @ save R0's value. ldr r0, IRQ_STACK_START_IN @ get data regions start str lr, [r0] @ save caller lr in position 0 of saved stack - mrs r0, spsr @ get the spsr + mrs lr, spsr @ get the spsr str lr, [r0, #4] @ save spsr in position 1 of saved stack + ldr lr, [r0] @ restore lr ldr r0, [r13] @ restore r0 add r13, r13, #4 @ pop stack entry .endm diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S index 4528c91983..7361aa268a 100644 --- a/arch/arm/cpu/s3c44b0/start.S +++ b/arch/arm/cpu/s3c44b0/start.S @@ -64,7 +64,11 @@ _start: b reset .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -76,9 +80,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -133,29 +141,24 @@ reset: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -164,7 +167,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S index 3144299afe..8a2eafd6a4 100644 --- a/arch/arm/cpu/sa1100/start.S +++ b/arch/arm/cpu/sa1100/start.S @@ -74,7 +74,11 @@ _fiq: .word fiq .globl _TEXT_BASE _TEXT_BASE: +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE) + .word CONFIG_SPL_TEXT_BASE +#else .word CONFIG_SYS_TEXT_BASE +#endif /* * These are defined in the board-specific linker script. @@ -86,9 +90,13 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start +.globl _image_copy_end_ofs +_image_copy_end_ofs: + .word __image_copy_end - _start + .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -137,29 +145,24 @@ reset: /*------------------------------------------------------------------------------*/ /* - * void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. + * void relocate_code(addr_moni) * + * This function relocates the monitor code. */ .globl relocate_code relocate_code: - mov r4, r0 /* save addr_sp */ - mov r5, r1 /* save addr of gd */ - mov r6, r2 /* save addr of destination */ + mov r6, r0 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _bss_start_ofs + ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -168,7 +171,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/u-boot-spl.lds b/arch/arm/cpu/u-boot-spl.lds index 8321afb959..3c0d99ca36 100644 --- a/arch/arm/cpu/u-boot-spl.lds +++ b/arch/arm/cpu/u-boot-spl.lds @@ -78,7 +78,7 @@ SECTIONS __bss_start = .; *(.bss*) . = ALIGN(4); - __bss_end__ = .; + __bss_end = .; } /DISCARD/ : { *(.dynstr*) } @@ -89,5 +89,5 @@ SECTIONS } #if defined(CONFIG_SPL_TEXT_BASE) && defined(CONFIG_SPL_MAX_SIZE) -ASSERT(__bss_end__ < (CONFIG_SPL_TEXT_BASE + CONFIG_SPL_MAX_SIZE), "SPL image too big"); +ASSERT(__bss_end < (CONFIG_SPL_TEXT_BASE + CONFIG_SPL_MAX_SIZE), "SPL image too big"); #endif diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds index d4ad3529b2..d5e42d3ac9 100644 --- a/arch/arm/cpu/u-boot.lds +++ b/arch/arm/cpu/u-boot.lds @@ -81,17 +81,24 @@ SECTIONS *(.mmutable) } +/* + * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c + * __bss_base and __bss_limit are for linker only (overlay ordering) + */ + .bss_start __rel_dyn_start (OVERLAY) : { KEEP(*(.__bss_start)); + __bss_base = .; } - .bss __bss_start (OVERLAY) : { + .bss __bss_base (OVERLAY) : { *(.bss*) . = ALIGN(4); - ___bssend___ = .; + __bss_limit = .; } - .bss_end ___bssend___ (OVERLAY) : { - KEEP(*(.__bss_end__)); + + .bss_end __bss_limit (OVERLAY) : { + KEEP(*(.__bss_end)); } /DISCARD/ : { *(.dynstr*) } @@ -102,5 +109,5 @@ SECTIONS } #if defined(CONFIG_SPL_TEXT_BASE) && defined(CONFIG_SPL_MAX_SIZE) -ASSERT(__bss_end__ < (CONFIG_SPL_TEXT_BASE + CONFIG_SPL_MAX_SIZE), "SPL image too big"); +ASSERT(__bss_end < (CONFIG_SPL_TEXT_BASE + CONFIG_SPL_MAX_SIZE), "SPL image too big"); #endif |