diff options
Diffstat (limited to 'packages/u-boot/u-boot-mkimage-openmoko-native/uboot-s3c2410-nand.patch')
-rw-r--r-- | packages/u-boot/u-boot-mkimage-openmoko-native/uboot-s3c2410-nand.patch | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-s3c2410-nand.patch b/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-s3c2410-nand.patch deleted file mode 100644 index 9c10edc958..0000000000 --- a/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-s3c2410-nand.patch +++ /dev/null @@ -1,525 +0,0 @@ -This patch adds NAND (including boot-from-NAND via steppingstone) support to -the S3C2410 SoC code in u-boot - -Signed-off-by: Harald Welte <laforge@openmoko.org> - -Index: u-boot/cpu/arm920t/s3c24x0/Makefile -=================================================================== ---- u-boot.orig/cpu/arm920t/s3c24x0/Makefile 2007-02-28 03:47:44.000000000 +0100 -+++ u-boot/cpu/arm920t/s3c24x0/Makefile 2007-03-01 14:29:32.000000000 +0100 -@@ -26,7 +26,7 @@ - LIB = $(obj)lib$(SOC).a - - COBJS = i2c.o interrupts.o serial.o speed.o \ -- usb_ohci.o -+ usb_ohci.o nand_read.o nand.o - - SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) - OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) -Index: u-boot/cpu/arm920t/s3c24x0/nand.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ u-boot/cpu/arm920t/s3c24x0/nand.c 2007-03-01 14:30:27.000000000 +0100 -@@ -0,0 +1,225 @@ -+/* -+ * (C) Copyright 2006 Openmoko, Inc. -+ * Author: Harald Welte <laforge@openmoko.org> -+ * -+ * 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 0 -+#define DEBUGN printf -+#else -+#define DEBUGN(x, args ...) {} -+#endif -+ -+#if (CONFIG_COMMANDS & CFG_CMD_NAND) -+#if !defined(CFG_NAND_LEGACY) -+ -+#include <nand.h> -+#include <s3c2410.h> -+ -+#define __REGb(x) (*(volatile unsigned char *)(x)) -+#define __REGi(x) (*(volatile unsigned int *)(x)) -+ -+#define NF_BASE 0x4e000000 -+#define NFCONF __REGi(NF_BASE + 0x0) -+#define NFCMD __REGb(NF_BASE + 0x4) -+#define NFADDR __REGb(NF_BASE + 0x8) -+#define NFDATA __REGb(NF_BASE + 0xc) -+#define NFSTAT __REGb(NF_BASE + 0x10) -+#define NFECC0 __REGb(NF_BASE + 0x14) -+#define NFECC1 __REGb(NF_BASE + 0x15) -+#define NFECC2 __REGb(NF_BASE + 0x16) -+ -+#define S3C2410_NFCONF_EN (1<<15) -+#define S3C2410_NFCONF_512BYTE (1<<14) -+#define S3C2410_NFCONF_4STEP (1<<13) -+#define S3C2410_NFCONF_INITECC (1<<12) -+#define S3C2410_NFCONF_nFCE (1<<11) -+#define S3C2410_NFCONF_TACLS(x) ((x)<<8) -+#define S3C2410_NFCONF_TWRPH0(x) ((x)<<4) -+#define S3C2410_NFCONF_TWRPH1(x) ((x)<<0) -+ -+static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd) -+{ -+ struct nand_chip *chip = mtd->priv; -+ -+ DEBUGN("hwcontrol(): 0x%02x: ", cmd); -+ -+ switch (cmd) { -+ case NAND_CTL_SETNCE: -+ NFCONF &= ~S3C2410_NFCONF_nFCE; -+ DEBUGN("NFCONF=0x%08x\n", NFCONF); -+ break; -+ case NAND_CTL_CLRNCE: -+ NFCONF |= S3C2410_NFCONF_nFCE; -+ DEBUGN("NFCONF=0x%08x\n", NFCONF); -+ break; -+ case NAND_CTL_SETALE: -+ chip->IO_ADDR_W = NF_BASE + 0x8; -+ DEBUGN("SETALE\n"); -+ break; -+ case NAND_CTL_SETCLE: -+ chip->IO_ADDR_W = NF_BASE + 0x4; -+ DEBUGN("SETCLE\n"); -+ break; -+ default: -+ chip->IO_ADDR_W = NF_BASE + 0xc; -+ break; -+ } -+ return; -+} -+ -+static int s3c2410_dev_ready(struct mtd_info *mtd) -+{ -+ DEBUGN("dev_ready\n"); -+ return (NFSTAT & 0x01); -+} -+ -+static void s3c2410_cmdfunc(struct mtd_info *mtd, unsigned cmd, -+ int column, int page_addr) -+{ -+ DEBUGN("cmdfunc(): 0x%02x, col=%d, page=%d\n", cmd, column, page_addr); -+ -+ switch (cmd) { -+ case NAND_CMD_READ0: -+ case NAND_CMD_READ1: -+ case NAND_CMD_READOOB: -+ NFCMD = cmd; -+ NFADDR = column & 0xff; -+ NFADDR = page_addr & 0xff; -+ NFADDR = (page_addr >> 8) & 0xff; -+ NFADDR = (page_addr >> 16) & 0xff; -+ break; -+ case NAND_CMD_READID: -+ NFCMD = cmd; -+ NFADDR = 0; -+ break; -+ case NAND_CMD_PAGEPROG: -+ NFCMD = cmd; -+ printf("PAGEPROG not implemented\n"); -+ break; -+ case NAND_CMD_ERASE1: -+ NFCMD = cmd; -+ NFADDR = page_addr & 0xff; -+ NFADDR = (page_addr >> 8) & 0xff; -+ NFADDR = (page_addr >> 16) & 0xff; -+ break; -+ case NAND_CMD_ERASE2: -+ NFCMD = cmd; -+ break; -+ case NAND_CMD_SEQIN: -+ printf("SEQIN not implemented\n"); -+ break; -+ case NAND_CMD_STATUS: -+ NFCMD = cmd; -+ break; -+ case NAND_CMD_RESET: -+ NFCMD = cmd; -+ break; -+ default: -+ break; -+ } -+ -+ while (!s3c2410_dev_ready(mtd)); -+} -+ -+#ifdef CONFIG_S3C2410_NAND_HWECC -+void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode) -+{ -+ DEBUGN("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd ,mode); -+ NFCONF |= S3C2410_NFCONF_INITECC; -+} -+ -+static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code) -+{ -+ ecc_code[0] = NFECC0; -+ ecc_code[1] = NFECC1; -+ ecc_code[2] = NFECC2; -+ DEBUGN("s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n", mtd , ecc_code[0], ecc_code[1], ecc_code[2]); -+ -+ return 0; -+} -+ -+int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc) -+{ -+ if (read_ecc[0] == calc_ecc[0] && -+ read_ecc[1] == calc_ecc[1] && -+ read_ecc[2] == calc_ecc[2]) -+ return 0; -+ -+ printf("s3c2410_nand_correct_data: not implemented\n"); -+ return -1; -+} -+#endif -+ -+int board_nand_init(struct nand_chip *nand) -+{ -+ u_int32_t cfg; -+ u_int8_t tacls, twrph0, twrph1; -+ S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER(); -+ -+ DEBUGN("board_nand_init()\n"); -+ -+ clk_power->CLKCON |= (1 << 4); -+ -+ /* initialize hardware */ -+ twrph0 = 3; twrph1 = 0; tacls = 0; -+ -+ cfg = S3C2410_NFCONF_EN; -+ cfg |= S3C2410_NFCONF_TACLS(tacls - 1); -+ cfg |= S3C2410_NFCONF_TWRPH0(twrph0 - 1); -+ cfg |= S3C2410_NFCONF_TWRPH1(twrph1 - 1); -+ -+ NFCONF = cfg; -+ //NFCONF = 0xf842; -+ -+ /* initialize nand_chip data structure */ -+ nand->IO_ADDR_R = nand->IO_ADDR_W = 0x4e00000c; -+ -+ /* read_buf and write_buf are default */ -+ /* read_byte and write_byte are default */ -+ -+ /* hwcontrol always must be implemented */ -+ nand->hwcontrol = s3c2410_hwcontrol; -+ -+ nand->dev_ready = s3c2410_dev_ready; -+ -+#ifdef CONFIG_S3C2410_NAND_HWECC -+ nand->enable_hwecc = s3c2410_nand_enable_hwecc; -+ nand->calculate_ecc = s3c2410_nand_calculate_ecc; -+ nand->correct_data = s3c2410_nand_correct_data; -+ nand->eccmode = NAND_ECC_HW3_512; -+#else -+ nand->eccmode = NAND_ECC_SOFT; -+#endif -+ -+#ifdef CONFIG_S3C2410_NAND_BBT -+ nand->options = NAND_USE_FLASH_BBT; -+#else -+ nand->options = 0; -+#endif -+ -+ DEBUGN("end of nand_init\n"); -+ -+ return 0; -+} -+ -+#else -+ #error "U-Boot legacy NAND support not available for S3C2410" -+#endif -+#endif -Index: u-boot/cpu/arm920t/s3c24x0/nand_read.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ u-boot/cpu/arm920t/s3c24x0/nand_read.c 2007-02-28 03:51:24.000000000 +0100 -@@ -0,0 +1,98 @@ -+/* -+ * nand_read.c: Simple NAND read functions for booting from NAND -+ * -+ * This is used by cpu/arm920/start.S assembler code, -+ * and the board-specific linker script must make sure this -+ * file is linked within the first 4kB of NAND flash. -+ * -+ * Taken from GPLv2 licensed vivi bootloader, -+ * Copyright (C) 2002 MIZI Research, Inc. -+ * -+ * Author: Hwang, Chideok <hwang@mizi.com> -+ * Date : $Date: 2004/02/04 10:37:37 $ -+ * -+ * u-boot integration and bad-block skipping (C) 2006 by Openmoko, Inc. -+ * Author: Harald Welte <laforge@openmoko.org> -+ */ -+ -+#include <common.h> -+ -+#ifdef CONFIG_S3C2410_NAND_BOOT -+ -+#define __REGb(x) (*(volatile unsigned char *)(x)) -+#define __REGi(x) (*(volatile unsigned int *)(x)) -+#define NF_BASE 0x4e000000 -+#define NFCONF __REGi(NF_BASE + 0x0) -+#define NFCMD __REGb(NF_BASE + 0x4) -+#define NFADDR __REGb(NF_BASE + 0x8) -+#define NFDATA __REGb(NF_BASE + 0xc) -+#define NFSTAT __REGb(NF_BASE + 0x10) -+ -+#define BUSY 1 -+inline void wait_idle(void) -+{ -+ int i; -+ -+ while (!(NFSTAT & BUSY)) -+ for (i=0; i<10; i++); -+} -+ -+#define NAND_SECTOR_SIZE 512 -+#define NAND_BLOCK_MASK (NAND_SECTOR_SIZE - 1) -+#define NAND_PAGE_SIZE 0x4000 -+ -+/* low level nand read function */ -+int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size) -+{ -+ int i, j; -+ -+ if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK)) -+ return -1; /* invalid alignment */ -+ -+ /* chip Enable */ -+ NFCONF &= ~0x800; -+ for (i=0; i<10; i++); -+ -+ for (i=start_addr; i < (start_addr + size);) { -+#ifdef CONFIG_S3C2410_NAND_SKIP_BAD -+ if (start_addr % NAND_PAGE_SIZE == 0) { -+ unsigned char data; -+ NFCMD = 0x50; -+ NFADDR = 517&0xf; -+ NFADDR = (i >> 9) & 0xff; -+ NFADDR = (i >> 17) & 0xff; -+ NFADDR = (i >> 25) & 0xff; -+ wait_idle(); -+ data = (NFDATA & 0xff); -+ if (data != 0xff) { -+ /* Bad block */ -+ i += NAND_PAGE_SIZE; -+ size += NAND_PAGE_SIZE; -+ continue; -+ } -+ } -+#endif -+ /* READ0 */ -+ NFCMD = 0; -+ -+ /* Write Address */ -+ NFADDR = i & 0xff; -+ NFADDR = (i >> 9) & 0xff; -+ NFADDR = (i >> 17) & 0xff; -+ NFADDR = (i >> 25) & 0xff; -+ -+ wait_idle(); -+ -+ for (j=0; j < NAND_SECTOR_SIZE; j++, i++) { -+ *buf = (NFDATA & 0xff); -+ buf++; -+ } -+ } -+ -+ /* chip Disable */ -+ NFCONF |= 0x800; /* chip disable */ -+ -+ return 0; -+} -+ -+#endif /* CONFIG_S3C2410_NAND_BOOT */ -Index: u-boot/cpu/arm920t/start.S -=================================================================== ---- u-boot.orig/cpu/arm920t/start.S 2007-02-28 03:47:44.000000000 +0100 -+++ u-boot/cpu/arm920t/start.S 2007-03-01 14:29:22.000000000 +0100 -@@ -5,6 +5,10 @@ - * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> - * Copyright (c) 2002 Gary Jennejohn <gj@denx.de> - * -+ * S3C2410 NAND portions -+ * Copyright (c) 2001 MIZI Research, Inc. -+ * Copyright (c) 2006 Openmoko, Inc. (Harald Welte <laforge@openmmoko.org> -+ * - * See file CREDITS for list of people who contributed to this - * project. - * -@@ -27,6 +31,7 @@ - - #include <config.h> - #include <version.h> -+#include <s3c2410.h> - - - /* -@@ -161,6 +166,7 @@ - #endif - - #ifndef CONFIG_SKIP_RELOCATE_UBOOT -+#ifndef CONFIG_S3C2410_NAND_BOOT - relocate: /* relocate U-Boot to RAM */ - adr r0, _start /* r0 <- current position of code */ - ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ -@@ -177,6 +183,93 @@ - stmia r1!, {r3-r10} /* copy to target address [r1] */ - cmp r0, r2 /* until source end addreee [r2] */ - ble copy_loop -+#else /* NAND_BOOT */ -+relocate: -+copy_myself: -+ /* mov r10, lr */ -+ -+ @ reset NAND -+ mov r1, #S3C2410_NAND_BASE -+ ldr r2, =0xf842 @ initial value enable tacls=3,rph0=6,rph1=0 -+ str r2, [r1, #oNFCONF] -+ ldr r2, [r1, #oNFCONF] -+ bic r2, r2, #0x800 @ enable chip -+ str r2, [r1, #oNFCONF] -+ mov r2, #0xff @ RESET command -+ strb r2, [r1, #oNFCMD] -+ mov r3, #0 @ wait -+1: add r3, r3, #0x1 -+ cmp r3, #0xa -+ blt 1b -+2: ldr r2, [r1, #oNFSTAT] @ wait ready -+ tst r2, #0x1 -+ beq 2b -+ ldr r2, [r1, #oNFCONF] -+ orr r2, r2, #0x800 @ disable chip -+ str r2, [r1, #oNFCONF] -+ -+#if 0 -+ @ get ready to call C functions (for nand_read()) -+ ldr sp, DW_STACK_START @ setup stack pointer -+ mov fp, #0 @ no previous frame, so fp=0 -+#else -+ ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ -+ sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ -+ sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ -+#ifdef CONFIG_USE_IRQ -+ sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) -+#endif -+ sub sp, r0, #12 /* leave 3 words for abort-stack */ -+#endif -+ -+ @ copy u-boot to RAM -+ ldr r0, _TEXT_BASE -+ mov r1, #0x0 -+ mov r2, #CFG_UBOOT_SIZE -+ bl nand_read_ll -+ -+ tst r0, #0x0 -+ beq ok_nand_read -+#ifdef CONFIG_DEBUG_LL -+bad_nand_read: -+ ldr r0, STR_FAIL -+ ldr r1, SerBase -+ bl PrintWord -+1: b 1b @ infinite loop -+#endif -+ -+ok_nand_read: -+#ifdef CONFIG_DEBUG_LL -+ ldr r0, STR_OK -+ ldr r1, SerBase -+ bl PrintWord -+#endif -+ -+ @ verify -+ mov r0, #0 -+ @ldr r1, =0x33f00000 -+ ldr r1, _TEXT_BASE -+ mov r2, #0x400 @ 4 bytes * 1024 = 4K-bytes -+go_next: -+ ldr r3, [r0], #4 -+ ldr r4, [r1], #4 -+ teq r3, r4 -+ bne notmatch -+ subs r2, r2, #4 -+ beq done_nand_read -+ bne go_next -+notmatch: -+#ifdef CONFIG_DEBUG_LL -+ sub r0, r0, #4 -+ ldr r1, SerBase -+ bl PrintHexWord -+ ldr r0, STR_FAIL -+ ldr r1, SerBase -+ bl PrintWord -+#endif -+1: b 1b -+done_nand_read: -+#endif /* NAND_BOOT */ - #endif /* CONFIG_SKIP_RELOCATE_UBOOT */ - - /* Set up the stack */ -Index: u-boot/include/s3c2410.h -=================================================================== ---- u-boot.orig/include/s3c2410.h 2007-02-28 03:51:24.000000000 +0100 -+++ u-boot/include/s3c2410.h 2007-03-01 14:29:22.000000000 +0100 -@@ -38,12 +38,6 @@ - #define S3C2410_ECCSIZE 512 - #define S3C2410_ECCBYTES 3 - --typedef enum { -- S3C24X0_UART0, -- S3C24X0_UART1, -- S3C24X0_UART2 --} S3C24X0_UARTS_NR; -- - /* S3C2410 device base addresses */ - #define S3C24X0_MEMCTL_BASE 0x48000000 - #define S3C24X0_USB_HOST_BASE 0x49000000 -@@ -65,9 +59,23 @@ - #define S3C2410_SDI_BASE 0x5A000000 - - -+#define oNFCONF 0x00 -+#define oNFCMD 0x04 -+#define oNFADDR 0x08 -+#define oNFDATA 0x0C -+#define oNFSTAT 0x10 -+#define oNFECC 0x14 -+ -+#ifndef __ASSEMBLER__ -+ - /* include common stuff */ - #include <s3c24x0.h> - -+typedef enum { -+ S3C24X0_UART0, -+ S3C24X0_UART1, -+ S3C24X0_UART2 -+} S3C24X0_UARTS_NR; - - static inline S3C24X0_MEMCTL * S3C24X0_GetBase_MEMCTL(void) - { -@@ -142,6 +150,7 @@ - return (S3C2410_SDI * const)S3C2410_SDI_BASE; - } - -+#endif - - /* ISR */ - #define pISR_RESET (*(unsigned *)(_ISR_STARTADDRESS+0x0)) |