diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rwxr-xr-x | MAKEALL | 1 | ||||
| -rw-r--r-- | Makefile | 17 | ||||
| -rw-r--r-- | board/samsung/smdk6400/Makefile | 54 | ||||
| -rw-r--r-- | board/samsung/smdk6400/config.mk | 30 | ||||
| -rw-r--r-- | board/samsung/smdk6400/lowlevel_init.S | 316 | ||||
| -rw-r--r-- | board/samsung/smdk6400/smdk6400.c | 130 | ||||
| -rw-r--r-- | board/samsung/smdk6400/u-boot-nand.lds | 62 | ||||
| -rw-r--r-- | include/configs/smdk6400.h | 308 | ||||
| -rw-r--r-- | nand_spl/board/samsung/smdk6400/Makefile | 106 | ||||
| -rw-r--r-- | nand_spl/board/samsung/smdk6400/config.mk | 40 | ||||
| -rw-r--r-- | nand_spl/board/samsung/smdk6400/u-boot.lds | 61 |
12 files changed, 1126 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 57a79b413..4d58fc79b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -531,6 +531,7 @@ Prakash Kumar <prakash@embedx.com> Guennadi Liakhovetski <g.liakhovetski@gmx.de> mx31ads i.MX31 + SMDK6400 S3C6400 David Müller <d.mueller@elsoft.ch> @@ -519,6 +519,7 @@ LIST_ARM11=" \ imx31_litekit \ imx31_phycore \ mx31ads \ + smdk6400 \ " ######################################################################### @@ -2758,6 +2758,23 @@ mx31ads_config : unconfig omap2420h4_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4 NULL omap24xx +######################################################################### +## ARM1176 Systems +######################################################################### +smdk6400_noUSB_config \ +smdk6400_config : unconfig + @mkdir -p $(obj)include $(obj)board/samsung/smdk6400 + @mkdir -p $(obj)nand_spl/board/samsung/smdk6400 + @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h + @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \ + echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ + $(MKCONFIG) $(@:_config=) arm arm1176 smdk6400 samsung s3c64xx; \ + else \ + echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ + $(MKCONFIG) $(@:_noUSB_config=) arm arm1176 smdk6400 samsung s3c64xx; \ + fi + @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk + #======================================================================== # i386 #======================================================================== diff --git a/board/samsung/smdk6400/Makefile b/board/samsung/smdk6400/Makefile new file mode 100644 index 000000000..71302205e --- /dev/null +++ b/board/samsung/smdk6400/Makefile @@ -0,0 +1,54 @@ +# +# (C) Copyright 2000, 2001, 2002 +# 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 = $(obj)lib$(BOARD).a + +COBJS-y := smdk6400.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(SOBJS) $(OBJS) + $(AR) $(ARFLAGS) $@ $(SOBJS) $(OBJS) + +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/samsung/smdk6400/config.mk b/board/samsung/smdk6400/config.mk new file mode 100644 index 000000000..298d387ae --- /dev/null +++ b/board/samsung/smdk6400/config.mk @@ -0,0 +1,30 @@ +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, <gj@denx.de> +# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> +# +# (C) Copyright 2008 +# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de> +# +# SAMSUNG SMDK6400 board with mDirac3 (ARM1176) cpu +# +# see http://www.samsung.com/ for more information on SAMSUNG + +# On SMDK6400 we use the 64 MB SDRAM bank at +# +# 0x50000000 to 0x58000000 +# +# Linux-Kernel is expected to be at 0x50008000, entry 0x50008000 +# +# we load ourselves to 0x57e00000 without MMU +# with MMU, load address is changed to 0xc7e00000 +# +# download area is 0x5000c000 + +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp + +ifndef CONFIG_NAND_SPL +TEXT_BASE = $(RAM_TEXT) +else +TEXT_BASE = 0 +endif diff --git a/board/samsung/smdk6400/lowlevel_init.S b/board/samsung/smdk6400/lowlevel_init.S new file mode 100644 index 000000000..034c810f7 --- /dev/null +++ b/board/samsung/smdk6400/lowlevel_init.S @@ -0,0 +1,316 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and + * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) + * + * Modified for the Samsung SMDK2410 by + * (C) Copyright 2002 + * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> + * + * (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 <config.h> +#include <version.h> + +#include <s3c6400.h> + +#ifdef CONFIG_SERIAL1 +#define ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART0_OFFSET) +#elif defined(CONFIG_SERIAL2) +#define ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART1_OFFSET) +#else +#define ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART2_OFFSET) +#endif + +_TEXT_BASE: + .word TEXT_BASE + + .globl lowlevel_init +lowlevel_init: + mov r12, lr + + /* LED on only #8 */ + ldr r0, =ELFIN_GPIO_BASE + ldr r1, =0x55540000 + str r1, [r0, #GPNCON_OFFSET] + + ldr r1, =0x55555555 + str r1, [r0, #GPNPUD_OFFSET] + + ldr r1, =0xf000 + str r1, [r0, #GPNDAT_OFFSET] + + /* Disable Watchdog */ + ldr r0, =0x7e000000 @0x7e004000 + orr r0, r0, #0x4000 + mov r1, #0 + str r1, [r0] + + /* External interrupt pending clear */ + ldr r0, =(ELFIN_GPIO_BASE+EINTPEND_OFFSET) /*EINTPEND*/ + ldr r1, [r0] + str r1, [r0] + + ldr r0, =ELFIN_VIC0_BASE_ADDR @0x71200000 + ldr r1, =ELFIN_VIC1_BASE_ADDR @0x71300000 + + /* Disable all interrupts (VIC0 and VIC1) */ + mvn r3, #0x0 + str r3, [r0, #oINTMSK] + str r3, [r1, #oINTMSK] + + /* Set all interrupts as IRQ */ + mov r3, #0x0 + str r3, [r0, #oINTMOD] + str r3, [r1, #oINTMOD] + + /* Pending Interrupt Clear */ + mov r3, #0x0 + str r3, [r0, #oVECTADDR] + str r3, [r1, #oVECTADDR] + + /* init system clock */ + bl system_clock_init + +#ifndef CONFIG_NAND_SPL + /* for UART */ + bl uart_asm_init +#endif + +#ifdef CONFIG_BOOT_NAND + /* simple init for NAND */ + bl nand_asm_init +#endif + + bl mem_ctrl_asm_init + +/* Wakeup support. Don't know if it's going to be used, untested. */ + ldr r0, =(ELFIN_CLOCK_POWER_BASE + RST_STAT_OFFSET) + ldr r1, [r0] + bic r1, r1, #0xfffffff7 + cmp r1, #0x8 + beq wakeup_reset + +1: + mov lr, r12 + mov pc, lr + +wakeup_reset: + + /* Clear wakeup status register */ + ldr r0, =(ELFIN_CLOCK_POWER_BASE + WAKEUP_STAT_OFFSET) + ldr r1, [r0] + str r1, [r0] + + /* LED test */ + ldr r0, =ELFIN_GPIO_BASE + ldr r1, =0x3000 + str r1, [r0, #GPNDAT_OFFSET] + + /* Load return address and jump to kernel */ + ldr r0, =(ELFIN_CLOCK_POWER_BASE + INF_REG0_OFFSET) + /* r1 = physical address of s3c6400_cpu_resume function */ + ldr r1, [r0] + /* Jump to kernel (sleep-s3c6400.S) */ + mov pc, r1 + nop + nop +/* + * system_clock_init: Initialize core clock and bus clock. + * void system_clock_init(void) + */ +system_clock_init: + ldr r0, =ELFIN_CLOCK_POWER_BASE /* 0x7e00f000 */ + +#ifdef CONFIG_SYNC_MODE + ldr r1, [r0, #OTHERS_OFFSET] + mov r2, #0x40 + orr r1, r1, r2 + str r1, [r0, #OTHERS_OFFSET] + + nop + nop + nop + nop + nop + + ldr r2, =0x80 + orr r1, r1, r2 + str r1, [r0, #OTHERS_OFFSET] + +check_syncack: + ldr r1, [r0, #OTHERS_OFFSET] + ldr r2, =0xf00 + and r1, r1, r2 + cmp r1, #0xf00 + bne check_syncack +#else /* ASYNC Mode */ + nop + nop + nop + nop + nop + + /* + * This was unconditional in original Samsung sources, but it doesn't + * seem to make much sense on S3C6400. + */ +#ifndef CONFIG_S3C6400 + ldr r1, [r0, #OTHERS_OFFSET] + bic r1, r1, #0xC0 + orr r1, r1, #0x40 + str r1, [r0, #OTHERS_OFFSET] + +wait_for_async: + ldr r1, [r0, #OTHERS_OFFSET] + and r1, r1, #0xf00 + cmp r1, #0x0 + bne wait_for_async +#endif + + ldr r1, [r0, #OTHERS_OFFSET] + bic r1, r1, #0x40 + str r1, [r0, #OTHERS_OFFSET] +#endif + + mov r1, #0xff00 + orr r1, r1, #0xff + str r1, [r0, #APLL_LOCK_OFFSET] + str r1, [r0, #MPLL_LOCK_OFFSET] + + /* Set Clock Divider */ + ldr r1, [r0, #CLK_DIV0_OFFSET] + bic r1, r1, #0x30000 + bic r1, r1, #0xff00 + bic r1, r1, #0xff + ldr r2, =CLK_DIV_VAL + orr r1, r1, r2 + str r1, [r0, #CLK_DIV0_OFFSET] + + ldr r1, =APLL_VAL + str r1, [r0, #APLL_CON_OFFSET] + ldr r1, =MPLL_VAL + str r1, [r0, #MPLL_CON_OFFSET] + + /* FOUT of EPLL is 96MHz */ + ldr r1, =0x200203 + str r1, [r0, #EPLL_CON0_OFFSET] + ldr r1, =0x0 + str r1, [r0, #EPLL_CON1_OFFSET] + + /* APLL, MPLL, EPLL select to Fout */ + ldr r1, [r0, #CLK_SRC_OFFSET] + orr r1, r1, #0x7 + str r1, [r0, #CLK_SRC_OFFSET] + + /* wait at least 200us to stablize all clock */ + mov r1, #0x10000 +1: subs r1, r1, #1 + bne 1b + + /* Synchronization for VIC port */ +#if defined(CONFIG_SYNC_MODE) + ldr r1, [r0, #OTHERS_OFFSET] + orr r1, r1, #0x20 + str r1, [r0, #OTHERS_OFFSET] +#elif !defined(CONFIG_S3C6400) + /* According to 661558um_S3C6400X_rev10.pdf 0x20 is reserved */ + ldr r1, [r0, #OTHERS_OFFSET] + bic r1, r1, #0x20 + str r1, [r0, #OTHERS_OFFSET] +#endif + mov pc, lr + + +#ifndef CONFIG_NAND_SPL +/* + * uart_asm_init: Initialize UART's pins + */ +uart_asm_init: + /* set GPIO to enable UART */ + ldr r0, =ELFIN_GPIO_BASE + ldr r1, =0x220022 + str r1, [r0, #GPACON_OFFSET] + mov pc, lr +#endif + +#ifdef CONFIG_BOOT_NAND +/* + * NAND Interface init for SMDK6400 + */ +nand_asm_init: + ldr r0, =ELFIN_NAND_BASE + ldr r1, [r0, #NFCONF_OFFSET] + orr r1, r1, #0x70 + orr r1, r1, #0x7700 + str r1, [r0, #NFCONF_OFFSET] + + ldr r1, [r0, #NFCONT_OFFSET] + orr r1, r1, #0x07 + str r1, [r0, #NFCONT_OFFSET] + + mov pc, lr +#endif + +#ifdef CONFIG_ENABLE_MMU +/* + * MMU Table for SMDK6400 + */ + + /* form a first-level section entry */ +.macro FL_SECTION_ENTRY base,ap,d,c,b + .word (\base << 20) | (\ap << 10) | \ + (\d << 5) | (1<<4) | (\c << 3) | (\b << 2) | (1<<1) +.endm + +.section .mmudata, "a" + .align 14 + /* the following alignment creates the mmu table at address 0x4000. */ + .globl mmu_table +mmu_table: + .set __base, 0 + /* 1:1 mapping for debugging */ + .rept 0xA00 + FL_SECTION_ENTRY __base, 3, 0, 0, 0 + .set __base, __base + 1 + .endr + + /* access is not allowed. */ + .rept 0xC00 - 0xA00 + .word 0x00000000 + .endr + + /* 128MB for SDRAM 0xC0000000 -> 0x50000000 */ + .set __base, 0x500 + .rept 0xC80 - 0xC00 + FL_SECTION_ENTRY __base, 3, 0, 1, 1 + .set __base, __base + 1 + .endr + + /* access is not allowed. */ + .rept 0x1000 - 0xc80 + .word 0x00000000 + .endr +#endif diff --git a/board/samsung/smdk6400/smdk6400.c b/board/samsung/smdk6400/smdk6400.c new file mode 100644 index 000000000..77fd2c8a2 --- /dev/null +++ b/board/samsung/smdk6400/smdk6400.c @@ -0,0 +1,130 @@ +/* + * (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 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 <s3c6400.h> + +/* ------------------------------------------------------------------------- */ +#define CS8900_Tacs 0x0 /* 0clk address set-up */ +#define CS8900_Tcos 0x4 /* 4clk chip selection set-up */ +#define CS8900_Tacc 0xE /* 14clk access cycle */ +#define CS8900_Tcoh 0x1 /* 1clk chip selection hold */ +#define CS8900_Tah 0x4 /* 4clk address holding time */ +#define CS8900_Tacp 0x6 /* 6clk page mode access cycle */ +#define CS8900_PMC 0x0 /* normal(1data)page mode configuration */ + +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 + */ + +static void cs8900_pre_init(void) +{ + SROM_BW_REG &= ~(0xf << 4); + SROM_BW_REG |= (1 << 7) | (1 << 6) | (1 << 4); + SROM_BC1_REG = ((CS8900_Tacs << 28) + (CS8900_Tcos << 24) + + (CS8900_Tacc << 16) + (CS8900_Tcoh << 12) + + (CS8900_Tah << 8) + (CS8900_Tacp << 4) + CS8900_PMC); +} + +int board_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + cs8900_pre_init(); + + /* NOR-flash in SROM0 */ + + /* Enable WAIT */ + SROM_BW_REG |= 4 | 8 | 1; + + gd->bd->bi_arch_number = MACH_TYPE; + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + printf("Board: SMDK6400\n"); + return 0; +} +#endif + +#ifdef CONFIG_ENABLE_MMU +ulong virt_to_phy_smdk6400(ulong addr) +{ + if ((0xc0000000 <= addr) && (addr < 0xc8000000)) + return addr - 0xc0000000 + 0x50000000; + else + printf("do not support this address : %08lx\n", addr); + + return addr; +} +#endif + +#if defined(CONFIG_CMD_NAND) && defined(CFG_NAND_LEGACY) +#include <linux/mtd/nand.h> +extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; +void nand_init(void) +{ + nand_probe(CFG_NAND_BASE); + if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) + print_size(nand_dev_desc[0].totlen, "\n"); +} +#endif + +ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t *info) +{ + if (banknum == 0) { /* non-CFI boot flash */ + info->portwidth = FLASH_CFI_16BIT; + info->chipwidth = FLASH_CFI_BY16; + info->interface = FLASH_CFI_X16; + return 1; + } else + return 0; +} diff --git a/board/samsung/smdk6400/u-boot-nand.lds b/board/samsung/smdk6400/u-boot-nand.lds new file mode 100644 index 000000000..132ab21ff --- /dev/null +++ b/board/samsung/smdk6400/u-boot-nand.lds @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm1176/start.o (.text) + cpu/arm1176/s3c64xx/cpu_init.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + .mmudata : { *(.mmudata) } + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} diff --git a/include/configs/smdk6400.h b/include/configs/smdk6400.h new file mode 100644 index 000000000..6650ad220 --- /dev/null +++ b/include/configs/smdk6400.h @@ -0,0 +1,308 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * Gary Jennejohn <gj@denx.de> + * David Mueller <d.mueller@elsoft.ch> + * + * (C) Copyright 2008 + * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de> + * + * Configuation settings for the SAMSUNG SMDK6400(mDirac-III) board. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_S3C6400 1 /* in a SAMSUNG S3C6400 SoC */ +#define CONFIG_S3C64XX 1 /* in a SAMSUNG S3C64XX Family */ +#define CONFIG_SMDK6400 1 /* on a SAMSUNG SMDK6400 Board */ + +#define CFG_SDRAM_BASE 0x50000000 + +/* input clock of PLL: SMDK6400 has 12MHz input clock */ +#define CONFIG_SYS_CLK_FREQ 12000000 + +#if !defined(CONFIG_NAND_SPL) && (TEXT_BASE >= 0xc0000000) +#define CONFIG_ENABLE_MMU +#endif + +#define CONFIG_MEMORY_UPPER_CODE + +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_CMDLINE_TAG +#define CONFIG_INITRD_TAG + +/* + * Architecture magic and machine type + */ +#define MACH_TYPE 1270 + +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +#undef CONFIG_SKIP_RELOCATE_UBOOT + +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 1024 * 1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes for initial data */ + +/* + * Hardware drivers + */ +#define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ +#define CS8900_BASE 0x18800300 +#define CS8900_BUS16 1 /* follow the Linux driver */ + +/* + * select serial console configuration + */ +#define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SMDK6400 */ + +#define CFG_HUSH_PARSER /* use "hush" command parser */ +#ifdef CFG_HUSH_PARSER +#define CFG_PROMPT_HUSH_PS2 "> " +#endif + +#define CONFIG_CMDLINE_EDITING + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +/*********************************************************** + * Command definition + ***********************************************************/ +#include <config_cmd_default.h> + +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_REGINFO +#define CONFIG_CMD_LOADS +#define CONFIG_CMD_LOADB +#define CONFIG_CMD_ENV +#define CONFIG_CMD_NAND +#if defined(CONFIG_BOOT_ONENAND) +#define CONFIG_CMD_ONENAND +#endif +#define CONFIG_CMD_PING +#define CONFIG_CMD_ELF +#define CONFIG_CMD_FAT +#define CONFIG_CMD_EXT2 + +#define CONFIG_BOOTDELAY 3 + +#define CONFIG_ZERO_BOOTDELAY_CHECK + +#if (CONFIG_COMMANDS & CONFIG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */ +#endif + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "SMDK6400 # " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_PBSIZE 384 /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START CFG_SDRAM_BASE /* memtest works on */ +#define CFG_MEMTEST_END (CFG_SDRAM_BASE + 0x7e00000) /* 126MB in DRAM */ + +#define CFG_LOAD_ADDR CFG_SDRAM_BASE /* default load address */ + +#define CFG_HZ 1000 + +/* valid baudrates */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE 0x40000 /* regular stack 256KB */ + +/********************************** + Support Clock Settings + ********************************** + Setting SYNC ASYNC + ---------------------------------- + 667_133_66 X O + 533_133_66 O O + 400_133_66 X O + 400_100_50 O O + **********************************/ + +/*#define CONFIG_CLK_667_133_66*/ +#define CONFIG_CLK_533_133_66 +/* +#define CONFIG_CLK_400_100_50 +#define CONFIG_CLK_400_133_66 +#define CONFIG_SYNC_MODE +*/ + +/* SMDK6400 has 2 banks of DRAM, but we use only one in U-Boot */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1 CFG_SDRAM_BASE /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB in Bank #1 */ + +#define CFG_FLASH_BASE 0x10000000 +#define CFG_MONITOR_BASE 0x00000000 + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +/* AM29LV160B has 35 sectors, AM29LV800B - 19 */ +#define CFG_MAX_FLASH_SECT 40 + +#define CONFIG_AMD_LV800 +#define CFG_FLASH_CFI 1 /* Use CFI parameters (needed?) */ +/* Use drivers/cfi_flash.c, even though the flash is not CFI-compliant */ +#define CFG_FLASH_CFI_DRIVER 1 +#define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT +#define CONFIG_FLASH_CFI_LEGACY +#define CFG_FLASH_LEGACY_512Kx16 + +/* timeout values are in ticks */ +#define CFG_FLASH_ERASE_TOUT (5 * CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (5 * CFG_HZ) /* Timeout for Flash Write */ + +#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ + +/* + * SMDK6400 board specific data + */ + +#define CONFIG_IDENT_STRING " for SMDK6400" + +/* base address for uboot */ +#define CFG_PHY_UBOOT_BASE (CFG_SDRAM_BASE + 0x07e00000) +/* total memory available to uboot */ +#define CFG_UBOOT_SIZE (1024 * 1024) + +#ifdef CONFIG_ENABLE_MMU +#define CFG_MAPPED_RAM_BASE 0xc0000000 +#define CONFIG_BOOTCOMMAND "nand read 0xc0018000 0x60000 0x1c0000;" \ + "bootm 0xc0018000" +#else +#define CFG_MAPPED_RAM_BASE CFG_SDRAM_BASE +#define CONFIG_BOOTCOMMAND "nand read 0x50018000 0x60000 0x1c0000;" \ + "bootm 0x50018000" +#endif + +/* NAND U-Boot load and start address */ +#define CFG_UBOOT_BASE (CFG_MAPPED_RAM_BASE + 0x07e00000) + +#define CFG_ENV_OFFSET 0x0040000 + +/* NAND configuration */ +#define CFG_MAX_NAND_DEVICE 1 +#define CFG_NAND_BASE 0x70200010 +#define NAND_MAX_CHIPS 1 +#define CFG_S3C_NAND_HWECC + +#define CFG_NAND_SKIP_BAD_DOT_I 1 /* ".i" read skips bad blocks */ +#define CFG_NAND_WP 1 +#define CFG_NAND_YAFFS_WRITE 1 /* support yaffs write */ +#define CFG_NAND_BBT_2NDPAGE 1 /* bad-block markers in 1st and 2nd pages */ + +#define CFG_NAND_U_BOOT_DST CFG_PHY_UBOOT_BASE /* NUB load-addr */ +#define CFG_NAND_U_BOOT_START CFG_NAND_U_BOOT_DST /* NUB start-addr */ + +#define CFG_NAND_U_BOOT_OFFS (4 * 1024) /* Offset to RAM U-Boot image */ +#define CFG_NAND_U_BOOT_SIZE (252 * 1024) /* Size of RAM U-Boot image */ + +/* NAND chip page size */ +#define CFG_NAND_PAGE_SIZE 2048 +/* NAND chip block size */ +#define CFG_NAND_BLOCK_SIZE (128 * 1024) +/* NAND chip page per block count */ +#define CFG_NAND_PAGE_COUNT 64 +/* Location of the bad-block label */ +#define CFG_NAND_BAD_BLOCK_POS 0 +/* Extra address cycle for > 128MiB */ +#define CFG_NAND_5_ADDR_CYCLE + +/* Size of the block protected by one OOB (Spare Area in Samsung terminology) */ +#define CFG_NAND_ECCSIZE CFG_NAND_PAGE_SIZE +/* Number of ECC bytes per OOB - S3C6400 calculates 4 bytes ECC in 1-bit mode */ +#define CFG_NAND_ECCBYTES 4 +/* Number of ECC-blocks per NAND page */ +#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE) +/* Size of a single OOB region */ +#define CFG_NAND_OOBSIZE 64 +/* Number of ECC bytes per page */ +#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS) +/* ECC byte positions */ +#define CFG_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47, \ + 48, 49, 50, 51, 52, 53, 54, 55, \ + 56, 57, 58, 59, 60, 61, 62, 63} + +/* Boot configuration (define only one of next 3) */ +#define CONFIG_BOOT_NAND +/* None of these are currently implemented. Left from the original Samsung + * version for reference +#define CONFIG_BOOT_NOR +#define CONFIG_BOOT_MOVINAND +#define CONFIG_BOOT_ONENAND +*/ + +#define CONFIG_NAND +#define CONFIG_NAND_S3C64XX +/* Unimplemented or unsupported. See comment above. +#define CONFIG_ONENAND +#define CONFIG_MOVINAND +*/ + +/* Settings as above boot configuration */ +#define CFG_ENV_IS_IN_NAND +#define CONFIG_BOOTARGS "console=ttySAC,115200" +#define CONFIG_EXTRA_ENV_SETTINGS "bootargs=" CONFIG_BOOTARGS + +#if !defined(CONFIG_ENABLE_MMU) +#define CONFIG_CMD_USB 1 +#define CONFIG_USB_OHCI_NEW 1 +#define CFG_USB_OHCI_REGS_BASE 0x74300000 +#define CFG_USB_OHCI_SLOT_NAME "s3c6400" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 3 +#define CFG_USB_OHCI_CPU_INIT 1 +#define LITTLEENDIAN 1 /* used by usb_ohci.c */ + +#define CONFIG_USB_STORAGE 1 +#endif +#define CONFIG_DOS_PARTITION 1 + +#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_ENABLE_MMU) +# error "usb_ohci.c is currently broken with MMU enabled." +#endif + +#endif /* __CONFIG_H */ diff --git a/nand_spl/board/samsung/smdk6400/Makefile b/nand_spl/board/samsung/smdk6400/Makefile new file mode 100644 index 000000000..ae9eb2a94 --- /dev/null +++ b/nand_spl/board/samsung/smdk6400/Makefile @@ -0,0 +1,106 @@ +# +# (C) Copyright 2006-2007 +# Stefan Roese, DENX Software Engineering, sr@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 +# + +CONFIG_NAND_SPL = y + +include $(TOPDIR)/config.mk +include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk + +LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds +LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) +AFLAGS += -DCONFIG_NAND_SPL +CFLAGS += -DCONFIG_NAND_SPL + +SOBJS = start.o cpu_init.o lowlevel_init.o +COBJS = nand_boot.o nand_ecc.o s3c64xx.o + +SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c)) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +__OBJS := $(SOBJS) $(COBJS) +LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR) + +nandobj := $(OBJTREE)/nand_spl/ + +ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin + +all: $(obj).depend $(ALL) + +$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl + $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@ + +$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl + $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ + +$(nandobj)u-boot-spl: $(OBJS) + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \ + -Map $(nandobj)u-boot-spl.map \ + -o $(nandobj)u-boot-spl + +# create symbolic links for common files + +# from cpu directory +$(obj)start.S: + @rm -f $@ + @ln -s $(TOPDIR)/cpu/arm1176/start.S $@ + +# from SoC directory +$(obj)cpu_init.S: + @rm -f $@ + @ln -s $(TOPDIR)/cpu/arm1176/s3c64xx/cpu_init.S $@ + +# from board directory +$(obj)lowlevel_init.S: + @rm -f $@ + @ln -s $(TOPDIR)/board/samsung/smdk6400/lowlevel_init.S $@ + +# from nand_spl directory +$(obj)nand_boot.c: + @rm -f $@ + @ln -s $(TOPDIR)/nand_spl/nand_boot.c $@ + +# from drivers/mtd/nand directory +$(obj)nand_ecc.c: + @rm -f $@ + @ln -s $(TOPDIR)/drivers/mtd/nand/nand_ecc.c $@ + +$(obj)s3c64xx.c: + @rm -f $@ + @ln -s $(TOPDIR)/drivers/mtd/nand/s3c64xx.c $@ + +######################################################################### + +$(obj)%.o: $(obj)%.S + $(CC) $(AFLAGS) -c -o $@ $< + +$(obj)%.o: $(obj)%.c + $(CC) $(CFLAGS) -c -o $@ $< + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/nand_spl/board/samsung/smdk6400/config.mk b/nand_spl/board/samsung/smdk6400/config.mk new file mode 100644 index 000000000..4b1623091 --- /dev/null +++ b/nand_spl/board/samsung/smdk6400/config.mk @@ -0,0 +1,40 @@ +# +# (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 +# +# +# Samsung S3C64xx Reference Platform (smdk6400) board + +# TEXT_BASE for SPL: +# +# On S3C64xx platforms the SPL is located in SRAM at 0. +# +# TEXT_BASE = 0 + +include $(TOPDIR)/board/$(BOARDDIR)/config.mk + +# PAD_TO used to generate a 4kByte binary needed for the combined image +# -> PAD_TO = TEXT_BASE + 4096 +PAD_TO := $(shell expr $$[$(TEXT_BASE) + 4096]) + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif diff --git a/nand_spl/board/samsung/smdk6400/u-boot.lds b/nand_spl/board/samsung/smdk6400/u-boot.lds new file mode 100644 index 000000000..1bf022c03 --- /dev/null +++ b/nand_spl/board/samsung/smdk6400/u-boot.lds @@ -0,0 +1,61 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + start.o (.text) + cpu_init.o (.text) + nand_boot.o (.text) + + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} |