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-rw-r--r--board/ti/omap5912osk/Makefile51
-rw-r--r--board/ti/omap5912osk/config.mk30
-rw-r--r--board/ti/omap5912osk/lowlevel_init.S477
-rw-r--r--board/ti/omap5912osk/omap5912osk.c308
4 files changed, 866 insertions, 0 deletions
diff --git a/board/ti/omap5912osk/Makefile b/board/ti/omap5912osk/Makefile
new file mode 100644
index 0000000000..e9bb0ecd72
--- /dev/null
+++ b/board/ti/omap5912osk/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2000-2006
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := omap5912osk.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/ti/omap5912osk/config.mk b/board/ti/omap5912osk/config.mk
new file mode 100644
index 0000000000..5362a4f424
--- /dev/null
+++ b/board/ti/omap5912osk/config.mk
@@ -0,0 +1,30 @@
+#
+# (C) Copyright 2002-2004
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# (C) Copyright 2003
+# Texas Instruments, <www.ti.com>
+# Kshitij Gupta <Kshitij@ti.com>
+#
+# (C) Copyright 2004
+# Texas Instruments, <www.ti.com>
+# Rishi Bhattacharya <rishi@ti.com>
+#
+# TI OSK board with OMAP5912 (ARM925EJS) cpu
+# see http://www.ti.com/ for more information on Texas Instruments
+#
+# OSK has 1 bank of 256 MB SDRAM
+# Physical Address:
+# 1000'0000 to 2000'0000
+#
+#
+# Linux-Kernel is expected to be at 1000'8000, entry 1000'8000
+# (mem base + reserved)
+#
+# we load ourself to 1108'0000
+#
+#
+
+
+TEXT_BASE = 0x11080000
diff --git a/board/ti/omap5912osk/lowlevel_init.S b/board/ti/omap5912osk/lowlevel_init.S
new file mode 100644
index 0000000000..7bfdb26325
--- /dev/null
+++ b/board/ti/omap5912osk/lowlevel_init.S
@@ -0,0 +1,477 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
+ *
+ * Modified for OMAP 5912 OSK board by Rishi Bhattacharya, Apr 2004
+ * 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 <version.h>
+
+#if defined(CONFIG_OMAP1610)
+#include <./configs/omap1510.h>
+#endif
+
+
+_TEXT_BASE:
+ .word TEXT_BASE /* sdram load addr from config.mk */
+
+.globl lowlevel_init
+lowlevel_init:
+
+ /*------------------------------------------------------*
+ * Ensure i-cache is enabled *
+ * To configure TC regs without fetching instruction *
+ *------------------------------------------------------*/
+ mrc p15, 0, r0, c1, c0
+ orr r0, r0, #0x1000
+ mcr p15, 0, r0, c1, c0
+
+ /*------------------------------------------------------*
+ *mask all IRQs by setting all bits in the INTMR default*
+ *------------------------------------------------------*/
+ mov r1, #0xffffffff
+ ldr r0, =REG_IHL1_MIR
+ str r1, [r0]
+ ldr r0, =REG_IHL2_MIR
+ str r1, [r0]
+
+ /*------------------------------------------------------*
+ * Set up ARM CLM registers (IDLECT1) *
+ *------------------------------------------------------*/
+ ldr r0, REG_ARM_IDLECT1
+ ldr r1, VAL_ARM_IDLECT1
+ str r1, [r0]
+
+ /*------------------------------------------------------*
+ * Set up ARM CLM registers (IDLECT2) *
+ *------------------------------------------------------*/
+ ldr r0, REG_ARM_IDLECT2
+ ldr r1, VAL_ARM_IDLECT2
+ str r1, [r0]
+
+ /*------------------------------------------------------*
+ * Set up ARM CLM registers (IDLECT3) *
+ *------------------------------------------------------*/
+ ldr r0, REG_ARM_IDLECT3
+ ldr r1, VAL_ARM_IDLECT3
+ str r1, [r0]
+
+ mov r1, #0x01 /* PER_EN bit */
+ ldr r0, REG_ARM_RSTCT2
+ strh r1, [r0] /* CLKM; Peripheral reset. */
+
+ /* Set CLKM to Sync-Scalable */
+ mov r1, #0x1000
+ ldr r0, REG_ARM_SYSST
+
+ mov r2, #0
+1: cmp r2, #1
+ streqh r1, [r0]
+ add r2, r2, #1
+ cmp r2, #0x100 /* wait for any bubbles to finish */
+ bne 1b
+
+ ldr r1, VAL_ARM_CKCTL
+ ldr r0, REG_ARM_CKCTL
+ strh r1, [r0]
+
+ /* a few nops to let settle */
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+
+ /* setup DPLL 1 */
+ /* Ramp up the clock to 96Mhz */
+ ldr r1, VAL_DPLL1_CTL
+ ldr r0, REG_DPLL1_CTL
+ strh r1, [r0]
+ ands r1, r1, #0x10 /* Check if PLL is enabled. */
+ beq lock_end /* Do not look for lock if BYPASS selected */
+2:
+ ldrh r1, [r0]
+ ands r1, r1, #0x01 /* Check the LOCK bit.*/
+ beq 2b /* loop until bit goes hi. */
+lock_end:
+
+ /*------------------------------------------------------*
+ * Turn off the watchdog during init... *
+ *------------------------------------------------------*/
+ ldr r0, REG_WATCHDOG
+ ldr r1, WATCHDOG_VAL1
+ str r1, [r0]
+ ldr r1, WATCHDOG_VAL2
+ str r1, [r0]
+ ldr r0, REG_WSPRDOG
+ ldr r1, WSPRDOG_VAL1
+ str r1, [r0]
+ ldr r0, REG_WWPSDOG
+
+watch1Wait:
+ ldr r1, [r0]
+ tst r1, #0x10
+ bne watch1Wait
+
+ ldr r0, REG_WSPRDOG
+ ldr r1, WSPRDOG_VAL2
+ str r1, [r0]
+ ldr r0, REG_WWPSDOG
+watch2Wait:
+ ldr r1, [r0]
+ tst r1, #0x10
+ bne watch2Wait
+
+ /* Set memory timings corresponding to the new clock speed */
+ ldr r3, VAL_SDRAM_CONFIG_SDF0
+
+ /* Check execution location to determine current execution location
+ * and branch to appropriate initialization code.
+ */
+ mov r0, #0x10000000 /* Load physical SDRAM base. */
+ mov r1, pc /* Get current execution location. */
+ cmp r1, r0 /* Compare. */
+ bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */
+
+ /* identify the device revision, -- TMX or TMP(TMS) */
+ ldr r0, REG_DEVICE_ID
+ ldr r1, [r0]
+
+ ldr r0, VAL_DEVICE_ID_TMP
+ mov r1, r1, lsl #15
+ mov r1, r1, lsr #16
+ cmp r0, r1
+ bne skip_TMP_Patch
+
+ /* Enable TMP/TMS device new features */
+ mov r0, #1
+ ldr r1, REG_TC_EMIFF_DOUBLER
+ str r0, [r1]
+
+ /* Enable new ac parameters */
+ mov r0, #0x0b
+ ldr r1, REG_SDRAM_CONFIG2
+ str r0, [r1]
+
+ ldr r3, VAL_SDRAM_CONFIG_SDF1
+
+skip_TMP_Patch:
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r0, #0x1800 /* value should be checked */
+3:
+ subs r0, r0, #0x1 /* Decrement count */
+ bne 3b
+
+ /*
+ * Set SDRAM control values. Disable refresh before MRS command.
+ */
+
+ /* mobile ddr operation */
+ ldr r0, REG_SDRAM_OPERATION
+ mov r2, #07
+ str r2, [r0]
+
+ /* config register */
+ ldr r0, REG_SDRAM_CONFIG
+ str r3, [r0]
+
+ /* manual command register */
+ ldr r0, REG_SDRAM_MANUAL_CMD
+
+ /* issue set cke high */
+ mov r1, #CMD_SDRAM_CKE_SET_HIGH
+ str r1, [r0]
+
+ /* issue nop */
+ mov r1, #CMD_SDRAM_NOP
+ str r1, [r0]
+
+ mov r2, #0x0100
+waitMDDR1:
+ subs r2, r2, #1
+ bne waitMDDR1 /* delay loop */
+
+ /* issue precharge */
+ mov r1, #CMD_SDRAM_PRECHARGE
+ str r1, [r0]
+
+ /* issue autorefresh x 2 */
+ mov r1, #CMD_SDRAM_AUTOREFRESH
+ str r1, [r0]
+ str r1, [r0]
+
+ /* mrs register ddr mobile */
+ ldr r0, REG_SDRAM_MRS
+ mov r1, #0x33
+ str r1, [r0]
+
+ /* emrs1 low-power register */
+ ldr r0, REG_SDRAM_EMRS1
+ /* self refresh on all banks */
+ mov r1, #0
+ str r1, [r0]
+
+ ldr r0, REG_DLL_URD_CONTROL
+ ldr r1, DLL_URD_CONTROL_VAL
+ str r1, [r0]
+
+ ldr r0, REG_DLL_LRD_CONTROL
+ ldr r1, DLL_LRD_CONTROL_VAL
+ str r1, [r0]
+
+ ldr r0, REG_DLL_WRT_CONTROL
+ ldr r1, DLL_WRT_CONTROL_VAL
+ str r1, [r0]
+
+ /* delay loop */
+ mov r0, #0x0100
+waitMDDR2:
+ subs r0, r0, #1
+ bne waitMDDR2
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r0, #0x1800
+4:
+ subs r0, r0, #1 /* Decrement count. */
+ bne 4b
+ b common_tc
+
+skip_sdram:
+ ldr r0, REG_SDRAM_CONFIG
+ str r3, [r0]
+
+common_tc:
+ /* slow interface */
+ ldr r1, VAL_TC_EMIFS_CS0_CONFIG
+ ldr r0, REG_TC_EMIFS_CS0_CONFIG
+ str r1, [r0] /* Chip Select 0 */
+
+ ldr r1, VAL_TC_EMIFS_CS1_CONFIG
+ ldr r0, REG_TC_EMIFS_CS1_CONFIG
+ str r1, [r0] /* Chip Select 1 */
+
+ ldr r1, VAL_TC_EMIFS_CS3_CONFIG
+ ldr r0, REG_TC_EMIFS_CS3_CONFIG
+ str r1, [r0] /* Chip Select 3 */
+
+ ldr r1, VAL_TC_EMIFS_DWS
+ ldr r0, REG_TC_EMIFS_DWS
+ str r1, [r0] /* Enable EMIFS.RDY for CS1 (ether) */
+
+#ifdef CONFIG_H2_OMAP1610
+ /* inserting additional 2 clock cycle hold time for LAN */
+ ldr r0, REG_TC_EMIFS_CS1_ADVANCED
+ ldr r1, VAL_TC_EMIFS_CS1_ADVANCED
+ str r1, [r0]
+#endif
+ /* Start MPU Timer 1 */
+ ldr r0, REG_MPU_LOAD_TIMER
+ ldr r1, VAL_MPU_LOAD_TIMER
+ str r1, [r0]
+
+ ldr r0, REG_MPU_CNTL_TIMER
+ ldr r1, VAL_MPU_CNTL_TIMER
+ str r1, [r0]
+
+ /* back to arch calling code */
+ mov pc, lr
+
+ /* the literal pools origin */
+ .ltorg
+
+REG_DEVICE_ID: /* 32 bits */
+ .word 0xfffe2004
+REG_TC_EMIFS_CONFIG:
+ .word 0xfffecc0c
+REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */
+ .word 0xfffecc10
+REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */
+ .word 0xfffecc14
+REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */
+ .word 0xfffecc18
+REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */
+ .word 0xfffecc1c
+REG_TC_EMIFS_DWS: /* 32 bits */
+ .word 0xfffecc40
+#ifdef CONFIG_H2_OMAP1610
+REG_TC_EMIFS_CS1_ADVANCED: /* 32 bits */
+ .word 0xfffecc54
+#endif
+
+/* MPU clock/reset/power mode control registers */
+REG_ARM_CKCTL: /* 16 bits */
+ .word 0xfffece00
+REG_ARM_IDLECT3: /* 16 bits */
+ .word 0xfffece24
+REG_ARM_IDLECT2: /* 16 bits */
+ .word 0xfffece08
+REG_ARM_IDLECT1: /* 16 bits */
+ .word 0xfffece04
+REG_ARM_RSTCT2: /* 16 bits */
+ .word 0xfffece14
+REG_ARM_SYSST: /* 16 bits */
+ .word 0xfffece18
+
+/* DPLL control registers */
+REG_DPLL1_CTL: /* 16 bits */
+ .word 0xfffecf00
+
+/* Watch Dog register */
+/* secure watchdog stop */
+REG_WSPRDOG:
+ .word 0xfffeb048
+/* watchdog write pending */
+REG_WWPSDOG:
+ .word 0xfffeb034
+
+WSPRDOG_VAL1:
+ .word 0x0000aaaa
+WSPRDOG_VAL2:
+ .word 0x00005555
+
+/* SDRAM config is: auto refresh enabled, 16 bit 4 bank,
+ counter @8192 rows, 10 ns, 8 burst */
+REG_SDRAM_CONFIG:
+ .word 0xfffecc20
+REG_SDRAM_CONFIG2:
+ .word 0xfffecc3c
+REG_TC_EMIFF_DOUBLER: /* 32 bits */
+ .word 0xfffecc60
+
+/* Operation register */
+REG_SDRAM_OPERATION:
+ .word 0xfffecc80
+
+/* Manual command register */
+REG_SDRAM_MANUAL_CMD:
+ .word 0xfffecc84
+
+/* SDRAM MRS (New) config is: CAS latency is 2, burst length 8 */
+REG_SDRAM_MRS:
+ .word 0xfffecc70
+
+/* SDRAM MRS (New) config is: CAS latency is 2, burst length 8 */
+REG_SDRAM_EMRS1:
+ .word 0xfffecc78
+
+/* WRT DLL register */
+REG_DLL_WRT_CONTROL:
+ .word 0xfffecc68
+DLL_WRT_CONTROL_VAL:
+ .word 0x03f00002 /* Phase of 72deg, write offset +31 */
+
+/* URD DLL register */
+REG_DLL_URD_CONTROL:
+ .word 0xfffeccc0
+DLL_URD_CONTROL_VAL:
+ .word 0x00800002 /* Phase of 72deg, read offset +31 */
+
+/* LRD DLL register */
+REG_DLL_LRD_CONTROL:
+ .word 0xfffecccc
+DLL_LRD_CONTROL_VAL:
+ .word 0x00800002 /* read offset +31 */
+
+REG_WATCHDOG:
+ .word 0xfffec808
+WATCHDOG_VAL1:
+ .word 0x000000f5
+WATCHDOG_VAL2:
+ .word 0x000000a0
+
+REG_MPU_LOAD_TIMER:
+ .word 0xfffec504
+REG_MPU_CNTL_TIMER:
+ .word 0xfffec500
+VAL_MPU_LOAD_TIMER:
+ .word 0xffffffff
+VAL_MPU_CNTL_TIMER:
+ .word 0xffffffa1
+
+/* 96 MHz Samsung Mobile DDR */
+/* Original setting for TMX device */
+VAL_SDRAM_CONFIG_SDF0:
+ .word 0x0014e6fe
+
+/* NEW_SYS_FREQ mode (valid only TMP/TMS devices) */
+VAL_SDRAM_CONFIG_SDF1:
+ .word 0x0114e6fe
+
+VAL_ARM_CKCTL:
+ .word 0x2000 /* was: 0x3000, now use CLK_REF for timer input */
+VAL_DPLL1_CTL:
+ .word 0x2830
+
+#ifdef CONFIG_OSK_OMAP5912
+VAL_TC_EMIFS_CS0_CONFIG:
+ .word 0x002130b0
+VAL_TC_EMIFS_CS1_CONFIG:
+ .word 0x00001133
+VAL_TC_EMIFS_CS2_CONFIG:
+ .word 0x000055f0
+VAL_TC_EMIFS_CS3_CONFIG:
+ .word 0x88013141
+VAL_TC_EMIFS_DWS: /* Enable EMIFS.RDY for CS1 access (ether) */
+ .word 0x000000c0
+VAL_DEVICE_ID_TMP: /* TMP/TMS=0xb65f, TMX=0xb58c */
+ .word 0xb65f
+#endif
+
+#ifdef CONFIG_H2_OMAP1610
+VAL_TC_EMIFS_CS0_CONFIG:
+ .word 0x00203331
+VAL_TC_EMIFS_CS1_CONFIG:
+ .word 0x8180fff3
+VAL_TC_EMIFS_CS2_CONFIG:
+ .word 0xf800f22a
+VAL_TC_EMIFS_CS3_CONFIG:
+ .word 0x88013141
+VAL_TC_EMIFS_CS1_ADVANCED:
+ .word 0x00000022
+#endif
+
+VAL_ARM_IDLECT1:
+ .word 0x00000400
+VAL_ARM_IDLECT2:
+ .word 0x00000886
+VAL_ARM_IDLECT3:
+ .word 0x00000015
+
+/* command values */
+.equ CMD_SDRAM_NOP, 0x00000000
+.equ CMD_SDRAM_PRECHARGE, 0x00000001
+.equ CMD_SDRAM_AUTOREFRESH, 0x00000002
+.equ CMD_SDRAM_CKE_SET_HIGH, 0x00000007
diff --git a/board/ti/omap5912osk/omap5912osk.c b/board/ti/omap5912osk/omap5912osk.c
new file mode 100644
index 0000000000..6993b136ee
--- /dev/null
+++ b/board/ti/omap5912osk/omap5912osk.c
@@ -0,0 +1,308 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * (C) Copyright 2004
+ * Texas Instruments, <www.ti.com>
+ * Rishi Bhattacharya <rishi@ti.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 <common.h>
+#if defined(CONFIG_OMAP1610)
+#include <./configs/omap1510.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void flash__init (void);
+void ether__init (void);
+void set_muxconf_regs (void);
+void peripheral_power_enable (void);
+
+#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
+
+static inline void delay (unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_OMAP_OSK;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x10000100;
+
+ /* Configure MUX settings */
+ set_muxconf_regs ();
+ peripheral_power_enable ();
+
+/* this speeds up your boot a quite a bit. However to make it
+ * work, you need make sure your kernel startup flush bug is fixed.
+ * ... rkw ...
+ */
+ icache_enable ();
+
+ flash__init ();
+ ether__init ();
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+ /* currently empty */
+ return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+#define EMIFS_GlB_Config_REG 0xfffecc0c
+ unsigned int regval;
+ regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);
+ /* Turn off write protection for flash devices. */
+ regval = regval | 0x0001;
+ *((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval;
+}
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+ for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+#define ETH_CONTROL_REG 0x0480000b
+ int i;
+
+ *((volatile unsigned short *) 0xfffece08) = 0x03FF;
+ *((volatile unsigned short *) 0xfffb3824) = 0x8000;
+ *((volatile unsigned short *) 0xfffb3830) = 0x0000;
+ *((volatile unsigned short *) 0xfffb3834) = 0x0009;
+ *((volatile unsigned short *) 0xfffb3838) = 0x0009;
+ *((volatile unsigned short *) 0xfffb3818) = 0x0002;
+ *((volatile unsigned short *) 0xfffb382C) = 0x0048;
+ *((volatile unsigned short *) 0xfffb3824) = 0x8603;
+ udelay (3);
+ for (i=0;i<2000;i++);
+ *((volatile unsigned short *) 0xfffb381C) = 0x6610;
+ udelay (30);
+ for (i=0;i<10000;i++);
+
+ *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;
+ udelay (3);
+
+
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
+
+/******************************************************
+ Routine: set_muxconf_regs
+ Description: Setting up the configuration Mux registers
+ specific to the hardware
+*******************************************************/
+void set_muxconf_regs (void)
+{
+ volatile unsigned int *MuxConfReg;
+ /* set each registers to its reset value; */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_0);
+ /* setup for UART1 */
+ *MuxConfReg &= ~(0x02000000); /* bit 25 */
+ /* setup for UART2 */
+ *MuxConfReg &= ~(0x01000000); /* bit 24 */
+ /* Disable Uwire CS Hi-Z */
+ *MuxConfReg |= 0x08000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_3);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_4);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_5);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_6);
+ /*setup mux for UART3 */
+ *MuxConfReg |= 0x00000001; /* bit3, 1, 0 (mux0 5,5,26) */
+ *MuxConfReg &= ~0x0000003e;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_7);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_8);
+ /* Disable Uwire CS Hi-Z */
+ *MuxConfReg |= 0x00001200; /*bit 9 for CS0 12 for CS3 */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_9);
+ /* Need to turn on bits 21 and 12 in FUNC_MUX_CTRL_9 so the */
+ /* hardware will actually use TX and RTS based on bit 25 in */
+ /* FUNC_MUX_CTRL_0. I told you this thing was screwy! */
+ *MuxConfReg |= 0x00201000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_A);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_B);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_C);
+ /* setup for UART2 */
+ /* Need to turn on bits 27 and 24 in FUNC_MUX_CTRL_C so the */
+ /* hardware will actually use TX and RTS based on bit 24 in */
+ /* FUNC_MUX_CTRL_0. */
+ *MuxConfReg |= 0x09000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_D);
+ *MuxConfReg |= 0x00000020;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_0);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_1);
+ *MuxConfReg = 0x00000000;
+ /* mux setup for SD/MMC driver */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_2);
+ *MuxConfReg &= 0xFFFE0FFF;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_3);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);
+ /* bit 13 for MMC2 XOR_CLK */
+ *MuxConfReg &= ~(0x00002000);
+ /* bit 29 for UART 1 */
+ *MuxConfReg &= ~(0x00002000);
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_0);
+ /* Configure for USB. Turn on VBUS_CTRL and VBUS_MODE. */
+ *MuxConfReg |= 0x000C0000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int)USB_TRANSCEIVER_CTRL);
+ *MuxConfReg &= ~(0x00000070);
+ *MuxConfReg &= ~(0x00000008);
+ *MuxConfReg |= 0x00000003;
+ *MuxConfReg |= 0x00000180;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);
+ /* bit 17, software controls VBUS */
+ *MuxConfReg &= ~(0x00020000);
+ /* Enable USB 48 and 12M clocks */
+ *MuxConfReg |= 0x00000200;
+ *MuxConfReg &= ~(0x00000180);
+ /*2.75V for MMCSDIO1 */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) VOLTAGE_CTRL_0);
+ *MuxConfReg = 0x00001FE7;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_0);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_1);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_2);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_3);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_4);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_4);
+ *MuxConfReg = 0x00000000;
+ /* Turn on UART2 48 MHZ clock */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);
+ *MuxConfReg |= 0x40000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) USB_OTG_CTRL);
+ /* setup for USB VBus detection OMAP161x */
+ *MuxConfReg |= 0x00040000; /* bit 18 */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_2);
+ /* PullUps for SD/MMC driver */
+ *MuxConfReg |= ~(0xFFFE0FFF);
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int)COMP_MODE_CTRL_0);
+ *MuxConfReg = COMP_MODE_ENABLE;
+}
+
+/******************************************************
+ Routine: peripheral_power_enable
+ Description: Enable the power for UART1
+*******************************************************/
+void peripheral_power_enable (void)
+{
+#define UART1_48MHZ_ENABLE ((unsigned short)0x0200)
+#define SW_CLOCK_REQUEST ((volatile unsigned short *)0xFFFE0834)
+
+ *SW_CLOCK_REQUEST |= UART1_48MHZ_ENABLE;
+}
+
+/*
+ * Check Board Identity
+ */
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+
+ puts("Board: OSK5912");
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ putc('\n');
+
+ return (0);
+}
generated by cgit (git 2.34.1) at 2024-12-26 09:39:57 +0000