diff options
Diffstat (limited to 'board/prodrive/alpr')
| -rw-r--r-- | board/prodrive/alpr/Makefile | 51 | ||||
| -rw-r--r-- | board/prodrive/alpr/alpr.c | 328 | ||||
| -rw-r--r-- | board/prodrive/alpr/config.mk | 44 | ||||
| -rw-r--r-- | board/prodrive/alpr/fpga.c | 257 | ||||
| -rw-r--r-- | board/prodrive/alpr/init.S | 103 | ||||
| -rw-r--r-- | board/prodrive/alpr/nand.c | 173 | ||||
| -rw-r--r-- | board/prodrive/alpr/u-boot.lds | 157 |
7 files changed, 1113 insertions, 0 deletions
diff --git a/board/prodrive/alpr/Makefile b/board/prodrive/alpr/Makefile new file mode 100644 index 0000000000..00dc180bbd --- /dev/null +++ b/board/prodrive/alpr/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 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 = $(BOARD).o fpga.o nand.o +SOBJS = init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend *~ + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/prodrive/alpr/alpr.c b/board/prodrive/alpr/alpr.c new file mode 100644 index 0000000000..2389561271 --- /dev/null +++ b/board/prodrive/alpr/alpr.c @@ -0,0 +1,328 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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/processor.h> +#include <spd_sdram.h> +#include <ppc4xx_enet.h> +#include <miiphy.h> + +DECLARE_GLOBAL_DATA_PTR; + +extern int alpr_fpga_init(void); + +int board_early_init_f (void) +{ + /*------------------------------------------------------------------------- + * Initialize EBC CONFIG + *-------------------------------------------------------------------------*/ + mtebc(xbcfg, EBC_CFG_LE_UNLOCK | + EBC_CFG_PTD_DISABLE | EBC_CFG_RTC_64PERCLK | + EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS | + EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT | + EBC_CFG_PME_DISABLE | EBC_CFG_PR_32); + + /*-------------------------------------------------------------------- + * Setup the interrupt controller polarities, triggers, etc. + *-------------------------------------------------------------------*/ + mtdcr (uic0sr, 0xffffffff); /* clear all */ + mtdcr (uic0er, 0x00000000); /* disable all */ + mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */ + mtdcr (uic0pr, 0xfffffe03); /* per manual */ + mtdcr (uic0tr, 0x01c00000); /* per manual */ + mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (uic0sr, 0xffffffff); /* clear all */ + + mtdcr (uic1sr, 0xffffffff); /* clear all */ + mtdcr (uic1er, 0x00000000); /* disable all */ + mtdcr (uic1cr, 0x00000000); /* all non-critical */ + mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */ + mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */ + mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (uic1sr, 0xffffffff); /* clear all */ + + mtdcr (uic2sr, 0xffffffff); /* clear all */ + mtdcr (uic2er, 0x00000000); /* disable all */ + mtdcr (uic2cr, 0x00000000); /* all non-critical */ + mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */ + mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */ + mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (uic2sr, 0xffffffff); /* clear all */ + + mtdcr (uicb0sr, 0xfc000000); /* clear all */ + mtdcr (uicb0er, 0x00000000); /* disable all */ + mtdcr (uicb0cr, 0x00000000); /* all non-critical */ + mtdcr (uicb0pr, 0xfc000000); /* */ + mtdcr (uicb0tr, 0x00000000); /* */ + mtdcr (uicb0vr, 0x00000001); /* */ + + /* Setup GPIO/IRQ multiplexing */ + mtsdr(sdr_pfc0, 0x01a03e00); + + return 0; +} + +int last_stage_init(void) +{ + unsigned short reg; + + /* + * Configure LED's of both Marvell 88E1111 PHY's + * + * This has to be done after the 4xx ethernet driver is loaded, + * so "last_stage_init()" is the right place. + */ + miiphy_read("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, ®); + reg |= 0x0001; + miiphy_write("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, reg); + miiphy_read("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, ®); + reg |= 0x0001; + miiphy_write("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, reg); + + return 0; +} + +static int board_rev(void) +{ + int rev; + u32 pfc0; + + /* Setup GPIO14 & 15 as GPIO */ + mfsdr(sdr_pfc0, pfc0); + pfc0 |= CFG_GPIO_REV0 | CFG_GPIO_REV1; + mtsdr(sdr_pfc0, pfc0); + + /* Setup as input */ + out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_REV0 | CFG_GPIO_REV0)); + out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_REV0 | CFG_GPIO_REV0)); + + rev = (in32(GPIO0_IR) >> 16) & 0x3; + + /* Setup GPIO14 & 15 as non GPIO again */ + mfsdr(sdr_pfc0, pfc0); + pfc0 &= ~(CFG_GPIO_REV0 | CFG_GPIO_REV1); + mtsdr(sdr_pfc0, pfc0); + + return rev; +} + +int checkboard (void) +{ + char *s = getenv ("serial#"); + + printf ("Board: ALPR"); + if (s != NULL) { + puts (", serial# "); + puts (s); + } + printf(" (Rev. %d)\n", board_rev()); + + return (0); +} + +#if defined(CFG_DRAM_TEST) +int testdram (void) +{ + uint *pstart = (uint *) 0x00000000; + uint *pend = (uint *) 0x08000000; + uint *p; + + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + return 0; +} +#endif + +/************************************************************************* + * pci_pre_init + * + * This routine is called just prior to registering the hose and gives + * the board the opportunity to check things. Returning a value of zero + * indicates that things are bad & PCI initialization should be aborted. + * + * Different boards may wish to customize the pci controller structure + * (add regions, override default access routines, etc) or perform + * certain pre-initialization actions. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) +int pci_pre_init(struct pci_controller * hose ) +{ + unsigned long strap; + + /*--------------------------------------------------------------------------+ + * The ocotea board is always configured as the host & requires the + * PCI arbiter to be enabled. + *--------------------------------------------------------------------------*/ + mfsdr(sdr_sdstp1, strap); + if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){ + printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap); + return 0; + } + + /* FPGA Init */ + alpr_fpga_init (); + + return 1; +} +#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */ + +/************************************************************************* + * pci_target_init + * + * The bootstrap configuration provides default settings for the pci + * inbound map (PIM). But the bootstrap config choices are limited and + * may not be sufficient for a given board. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) +void pci_target_init(struct pci_controller * hose ) +{ + /*--------------------------------------------------------------------------+ + * Disable everything + *--------------------------------------------------------------------------*/ + out32r( PCIX0_PIM0SA, 0 ); /* disable */ + out32r( PCIX0_PIM1SA, 0 ); /* disable */ + out32r( PCIX0_PIM2SA, 0 ); /* disable */ + out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */ + + /*--------------------------------------------------------------------------+ + * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping + * options to not support sizes such as 128/256 MB. + *--------------------------------------------------------------------------*/ + out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE ); + out32r( PCIX0_PIM0LAH, 0 ); + out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 ); + + out32r( PCIX0_BAR0, 0 ); + + /*--------------------------------------------------------------------------+ + * Program the board's subsystem id/vendor id + *--------------------------------------------------------------------------*/ + out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID ); + out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID ); + + out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); +} +#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */ + +/************************************************************************* + * is_pci_host + * + * This routine is called to determine if a pci scan should be + * performed. With various hardware environments (especially cPCI and + * PPMC) it's insufficient to depend on the state of the arbiter enable + * bit in the strap register, or generic host/adapter assumptions. + * + * Rather than hard-code a bad assumption in the general 440 code, the + * 440 pci code requires the board to decide at runtime. + * + * Return 0 for adapter mode, non-zero for host (monarch) mode. + * + * + ************************************************************************/ +#if defined(CONFIG_PCI) + +static void wait_for_pci_ready(void) +{ + /* + * Configure EREADY as input + */ + out32(GPIO0_TCR, in32(GPIO0_TCR) & ~CFG_GPIO_EREADY); + udelay(1000); + + for (;;) { + if (in32(GPIO0_IR) & CFG_GPIO_EREADY) + return; + } + +} + +int is_pci_host(struct pci_controller *hose) +{ + wait_for_pci_ready(); + return 1; /* return 1 for host controller */ +} +#endif /* defined(CONFIG_PCI) */ + +/************************************************************************* + * pci_master_init + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) +void pci_master_init(struct pci_controller *hose) +{ + /*--------------------------------------------------------------------------+ + | PowerPC440 PCI Master configuration. + | Map PLB/processor addresses to PCI memory space. + | PLB address 0xA0000000-0xCFFFFFFF ==> PCI address 0x80000000-0xCFFFFFFF + | Use byte reversed out routines to handle endianess. + | Make this region non-prefetchable. + +--------------------------------------------------------------------------*/ + out32r( PCIX0_POM0SA, 0 ); /* disable */ + out32r( PCIX0_POM1SA, 0 ); /* disable */ + out32r( PCIX0_POM2SA, 0 ); /* disable */ + + out32r(PCIX0_POM0LAL, CFG_PCI_MEMBASE); /* PMM0 Local Address */ + out32r(PCIX0_POM0LAH, 0x00000003); /* PMM0 Local Address */ + out32r(PCIX0_POM0PCIAL, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */ + out32r(PCIX0_POM0PCIAH, 0x00000000); /* PMM0 PCI High Address */ + out32r(PCIX0_POM0SA, ~(0x10000000 - 1) | 1); /* 256MB + enable region */ + + out32r(PCIX0_POM1LAL, CFG_PCI_MEMBASE2); /* PMM0 Local Address */ + out32r(PCIX0_POM1LAH, 0x00000003); /* PMM0 Local Address */ + out32r(PCIX0_POM1PCIAL, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */ + out32r(PCIX0_POM1PCIAH, 0x00000000); /* PMM0 PCI High Address */ + out32r(PCIX0_POM1SA, ~(0x10000000 - 1) | 1); /* 256MB + enable region */ +} +#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */ + +#ifdef CONFIG_POST +/* + * Returns 1 if keys pressed to start the power-on long-running tests + * Called from board_init_f(). + */ +int post_hotkeys_pressed(void) +{ + + return (ctrlc()); +} +#endif diff --git a/board/prodrive/alpr/config.mk b/board/prodrive/alpr/config.mk new file mode 100644 index 0000000000..9e1833591a --- /dev/null +++ b/board/prodrive/alpr/config.mk @@ -0,0 +1,44 @@ +# +# (C) Copyright 2004 +# 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 +# + +# +# AMCC 440GX Reference Platform (Ocotea) board +# + +#TEXT_BASE = 0xFFFE0000 + +ifeq ($(ramsym),1) +TEXT_BASE = 0x07FD0000 +else +TEXT_BASE = 0xFFFC0000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000 +endif diff --git a/board/prodrive/alpr/fpga.c b/board/prodrive/alpr/fpga.c new file mode 100644 index 0000000000..e94360f814 --- /dev/null +++ b/board/prodrive/alpr/fpga.c @@ -0,0 +1,257 @@ +/* + * (C) Copyright 2006 + * Heiko Schocher, DENX Software Engineering, hs@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 + * + */ + +/* + * Altera FPGA configuration support for the ALPR computer from prodrive + */ + +#include <common.h> +#include <altera.h> +#include <ACEX1K.h> +#include <command.h> +#include <asm-ppc/processor.h> +#include <ppc440.h> +#include "fpga.h" + +DECLARE_GLOBAL_DATA_PTR; + +#if defined(CONFIG_FPGA) + +#ifdef FPGA_DEBUG +#define PRINTF(fmt,args...) printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +static unsigned long regval; + +#define SET_GPIO_REG_0(reg, bit) { \ + regval = in32(reg); \ + regval &= ~(0x80000000 >> bit); \ + out32(reg, regval); \ + } + +#define SET_GPIO_REG_1(reg, bit) { \ + regval = in32(reg); \ + regval |= (0x80000000 >> bit); \ + out32(reg, regval); \ + } + +#define SET_GPIO_0(bit) SET_GPIO_REG_0(GPIO0_OR, bit) +#define SET_GPIO_1(bit) SET_GPIO_REG_1(GPIO0_OR, bit) + +#define FPGA_PRG (0x80000000 >> CFG_GPIO_PROG_EN) +#define FPGA_CONFIG (0x80000000 >> CFG_GPIO_CONFIG) +#define FPGA_DATA (0x80000000 >> CFG_GPIO_DATA) +#define FPGA_CLK (0x80000000 >> CFG_GPIO_CLK) +#define OLD_VAL (FPGA_PRG | FPGA_CONFIG) + +#define SET_FPGA(data) out32(GPIO0_OR, data) + +#define FPGA_WRITE_1 { \ + SET_FPGA(OLD_VAL | 0 | FPGA_DATA); /* set data to 1 */ \ + SET_FPGA(OLD_VAL | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ + +#define FPGA_WRITE_0 { \ + SET_FPGA(OLD_VAL | 0 | 0 ); /* set data to 0 */ \ + SET_FPGA(OLD_VAL | FPGA_CLK | 0 );} /* set data to 1 */ + +/* Plattforminitializations */ +/* Here we have to set the FPGA Chain */ +/* PROGRAM_PROG_EN = HIGH */ +/* PROGRAM_SEL_DPR = LOW */ +int fpga_pre_fn (int cookie) +{ + unsigned long reg; + + reg = in32(GPIO0_IR); + /* Enable the FPGA Chain */ + SET_GPIO_REG_1(GPIO0_TCR, CFG_GPIO_PROG_EN); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_PROG_EN); + SET_GPIO_1(CFG_GPIO_PROG_EN); + SET_GPIO_REG_1(GPIO0_TCR, CFG_GPIO_SEL_DPR); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_SEL_DPR); + SET_GPIO_0((CFG_GPIO_SEL_DPR)); + + /* initialize the GPIO Pins */ + /* output */ + SET_GPIO_0(CFG_GPIO_CLK); + SET_GPIO_REG_1(GPIO0_TCR, CFG_GPIO_CLK); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_CLK); + + /* output */ + SET_GPIO_0(CFG_GPIO_DATA); + SET_GPIO_REG_1(GPIO0_TCR, CFG_GPIO_DATA); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_DATA); + + /* First we set STATUS to 0 then as an input */ + SET_GPIO_REG_1(GPIO0_TCR, CFG_GPIO_STATUS); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_STATUS); + SET_GPIO_0(CFG_GPIO_STATUS); + SET_GPIO_REG_0(GPIO0_TCR, CFG_GPIO_STATUS); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_STATUS); + + /* output */ + SET_GPIO_REG_1(GPIO0_TCR, CFG_GPIO_CONFIG); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_CONFIG); + SET_GPIO_0(CFG_GPIO_CONFIG); + + /* input */ + SET_GPIO_0(CFG_GPIO_CON_DON); + SET_GPIO_REG_0(GPIO0_TCR, CFG_GPIO_CON_DON); + SET_GPIO_REG_0(GPIO0_ODR, CFG_GPIO_CON_DON); + + /* CONFIG = 0 STATUS = 0 -> FPGA in reset state */ + SET_GPIO_0(CFG_GPIO_CONFIG); + return FPGA_SUCCESS; +} + +/* Set the state of CONFIG Pin */ +int fpga_config_fn (int assert_config, int flush, int cookie) +{ + if (assert_config) { + SET_GPIO_1(CFG_GPIO_CONFIG); + } else { + SET_GPIO_0(CFG_GPIO_CONFIG); + } + return FPGA_SUCCESS; +} + +/* Returns the state of STATUS Pin */ +int fpga_status_fn (int cookie) +{ + unsigned long reg; + + reg = in32(GPIO0_IR); + if (reg &= (0x80000000 >> CFG_GPIO_STATUS)) { + PRINTF("STATUS = HIGH\n"); + return FPGA_FAIL; + } + PRINTF("STATUS = LOW\n"); + return FPGA_SUCCESS; +} + +/* Returns the state of CONF_DONE Pin */ +int fpga_done_fn (int cookie) +{ + unsigned long reg; + reg = in32(GPIO0_IR); + if (reg &= (0x80000000 >> CFG_GPIO_CON_DON)) { + PRINTF("CONF_DON = HIGH\n"); + return FPGA_FAIL; + } + PRINTF("CONF_DON = LOW\n"); + return FPGA_SUCCESS; +} + +/* writes the complete buffer to the FPGA + writing the complete buffer in one function is much faster, + then calling it for every bit */ +int fpga_write_fn (void *buf, size_t len, int flush, int cookie) +{ + size_t bytecount = 0; + unsigned char *data = (unsigned char *) buf; + unsigned char val=0; + int i; + int len_40 = len / 40; + + while (bytecount < len) { + val = data[bytecount++]; + i = 8; + do { + if (val & 0x01) { + FPGA_WRITE_1; + } else { + FPGA_WRITE_0; + } + val >>= 1; + i --; + } while (i > 0); + +#ifdef CFG_FPGA_PROG_FEEDBACK + if (bytecount % len_40 == 0) { + putc ('.'); /* let them know we are alive */ +#ifdef CFG_FPGA_CHECK_CTRLC + if (ctrlc ()) + return FPGA_FAIL; +#endif + } +#endif + } + return FPGA_SUCCESS; +} + +/* called, when programming is aborted */ +int fpga_abort_fn (int cookie) +{ + SET_GPIO_1((CFG_GPIO_SEL_DPR)); + return FPGA_SUCCESS; +} + +/* called, when programming was succesful */ +int fpga_post_fn (int cookie) +{ + return fpga_abort_fn (cookie); +} + +/* Note that these are pointers to code that is in Flash. They will be + * relocated at runtime. + */ +Altera_CYC2_Passive_Serial_fns fpga_fns = { + fpga_pre_fn, + fpga_config_fn, + fpga_status_fn, + fpga_done_fn, + fpga_write_fn, + fpga_abort_fn, + fpga_post_fn +}; + +Altera_desc fpga[CONFIG_FPGA_COUNT] = { + {Altera_CYC2, + passive_serial, + Altera_EP2C35_SIZE, + (void *) &fpga_fns, + NULL, + 0} +}; + +/* + * Initialize the fpga. Return 1 on success, 0 on failure. + */ +int alpr_fpga_init (void) +{ + int i; + + PRINTF ("%s:%d: Initialize FPGA interface (relocation offset = 0x%.8lx)\n", __FUNCTION__, __LINE__, gd->reloc_off); + fpga_init (gd->reloc_off); + + for (i = 0; i < CONFIG_FPGA_COUNT; i++) { + PRINTF ("%s:%d: Adding fpga %d\n", __FUNCTION__, __LINE__, i); + fpga_add (fpga_altera, &fpga[i]); + } + return 1; +} + +#endif diff --git a/board/prodrive/alpr/init.S b/board/prodrive/alpr/init.S new file mode 100644 index 0000000000..135674c26a --- /dev/null +++ b/board/prodrive/alpr/init.S @@ -0,0 +1,103 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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 <ppc_asm.tmpl> +#include <config.h> + +/* General */ +#define TLB_VALID 0x00000200 + +/* Supported page sizes */ +#define SZ_1K 0x00000000 +#define SZ_4K 0x00000010 +#define SZ_16K 0x00000020 +#define SZ_64K 0x00000030 +#define SZ_256K 0x00000040 +#define SZ_1M 0x00000050 +#define SZ_16M 0x00000070 +#define SZ_256M 0x00000090 + +/* Storage attributes */ +#define SA_W 0x00000800 /* Write-through */ +#define SA_I 0x00000400 /* Caching inhibited */ +#define SA_M 0x00000200 /* Memory coherence */ +#define SA_G 0x00000100 /* Guarded */ +#define SA_E 0x00000080 /* Endian */ + +/* Access control */ +#define AC_X 0x00000024 /* Execute */ +#define AC_W 0x00000012 /* Write */ +#define AC_R 0x00000009 /* Read */ + +/* Some handy macros */ + +#define EPN(e) ((e) & 0xfffffc00) +#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) ) +#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) ) +#define TLB2(a) ( (a)&0x00000fbf ) + +#define tlbtab_start\ + mflr r1 ;\ + bl 0f ; + +#define tlbtab_end\ + .long 0, 0, 0 ; \ +0: mflr r0 ; \ + mtlr r1 ; \ + blr ; + +#define tlbentry(epn,sz,rpn,erpn,attr)\ + .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) + + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + * + *************************************************************************/ + + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + tlbentry( 0xff000000, SZ_16M, 0xff000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X ) + tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X ) + tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I ) + + /* PCI */ + tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 3, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 3, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 3, AC_R|AC_W|SA_G|SA_I ) + + /* NAND */ + tlbentry( CFG_NAND_BASE, SZ_4K, CFG_NAND_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbtab_end diff --git a/board/prodrive/alpr/nand.c b/board/prodrive/alpr/nand.c new file mode 100644 index 0000000000..e63c921eff --- /dev/null +++ b/board/prodrive/alpr/nand.c @@ -0,0 +1,173 @@ +/* + * (C) Copyright 2006 + * Heiko Schocher, DENX Software Engineering, hs@denx.de + * + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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> + +#if (CONFIG_COMMANDS & CFG_CMD_NAND) + +#include <asm/processor.h> +#include <nand.h> + +struct alpr_ndfc_regs { + u8 cmd[4]; + u8 addr_wait; + u8 term; + u8 dummy; + u8 dummy2; + u8 data; +}; + +static u8 hwctl; +static struct alpr_ndfc_regs *alpr_ndfc = NULL; + +#define readb(addr) (u8)(*(volatile u8 *)(addr)) +#define writeb(d,addr) *(volatile u8 *)(addr) = ((u8)(d)) + +/* + * The ALPR has a NAND Flash Controller (NDFC) that handles all accesses to + * the NAND devices. The NDFC has command, address and data registers that + * when accessed will set up the NAND flash pins appropriately. We'll use the + * hwcontrol function to save the configuration in a global variable. + * We can then use this information in the read and write functions to + * determine which NDFC register to access. + * + * There are 2 NAND devices on the board, a Hynix HY27US08561A (1 GByte). + */ +static void alpr_nand_hwcontrol(struct mtd_info *mtd, int cmd) +{ + switch (cmd) { + case NAND_CTL_SETCLE: + hwctl |= 0x1; + break; + case NAND_CTL_CLRCLE: + hwctl &= ~0x1; + break; + case NAND_CTL_SETALE: + hwctl |= 0x2; + break; + case NAND_CTL_CLRALE: + hwctl &= ~0x2; + break; + case NAND_CTL_SETNCE: + break; + case NAND_CTL_CLRNCE: + writeb(0x00, &(alpr_ndfc->term)); + break; + } +} + +static void alpr_nand_write_byte(struct mtd_info *mtd, u_char byte) +{ + struct nand_chip *nand = mtd->priv; + + if (hwctl & 0x1) + /* + * IO_ADDR_W used as CMD[i] reg to support multiple NAND + * chips. + */ + writeb(byte, nand->IO_ADDR_W); + else if (hwctl & 0x2) { + writeb(byte, &(alpr_ndfc->addr_wait)); + } else + writeb(byte, &(alpr_ndfc->data)); +} + +static u_char alpr_nand_read_byte(struct mtd_info *mtd) +{ + return readb(&(alpr_ndfc->data)); +} + +static void alpr_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + struct nand_chip *nand = mtd->priv; + int i; + + for (i = 0; i < len; i++) { + if (hwctl & 0x1) + /* + * IO_ADDR_W used as CMD[i] reg to support multiple NAND + * chips. + */ + writeb(buf[i], nand->IO_ADDR_W); + else if (hwctl & 0x2) + writeb(buf[i], &(alpr_ndfc->addr_wait)); + else + writeb(buf[i], &(alpr_ndfc->data)); + } +} + +static void alpr_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +{ + int i; + + for (i = 0; i < len; i++) { + buf[i] = readb(&(alpr_ndfc->data)); + } +} + +static int alpr_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + int i; + + for (i = 0; i < len; i++) + if (buf[i] != readb(&(alpr_ndfc->data))) + return i; + + return 0; +} + +static int alpr_nand_dev_ready(struct mtd_info *mtd) +{ + volatile u_char val; + + /* + * Blocking read to wait for NAND to be ready + */ + val = readb(&(alpr_ndfc->addr_wait)); + + /* + * Return always true + */ + return 1; +} + +void board_nand_init(struct nand_chip *nand) +{ + alpr_ndfc = (struct alpr_ndfc_regs *)CFG_NAND_BASE; + + nand->eccmode = NAND_ECC_SOFT; + + /* Reference hardware control function */ + nand->hwcontrol = alpr_nand_hwcontrol; + /* Set command delay time */ + nand->write_byte = alpr_nand_write_byte; + nand->read_byte = alpr_nand_read_byte; + nand->write_buf = alpr_nand_write_buf; + nand->read_buf = alpr_nand_read_buf; + nand->verify_buf = alpr_nand_verify_buf; + nand->dev_ready = alpr_nand_dev_ready; +} +#endif diff --git a/board/prodrive/alpr/u-boot.lds b/board/prodrive/alpr/u-boot.lds new file mode 100644 index 0000000000..4f04089c94 --- /dev/null +++ b/board/prodrive/alpr/u-boot.lds @@ -0,0 +1,157 @@ +/* + * (C) Copyright 2004 + * 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 + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFFFF000 : + { + cpu/ppc4xx/start.o (.bootpg) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + board/prodrive/alpr/init.o (.text) + cpu/ppc4xx/kgdb.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/serial.o (.text) + cpu/ppc4xx/cpu_init.o (.text) + cpu/ppc4xx/speed.o (.text) + common/dlmalloc.o (.text) + lib_generic/crc32.o (.text) + lib_ppc/extable.o (.text) + lib_generic/zlib.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |