# If there is no specified link script, we look in a number of places for it
ifndef LDSCRIPT
- ifeq ($(CONFIG_NAND_U_BOOT),y)
- LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds
- ifeq ($(wildcard $(LDSCRIPT)),)
- LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds
- endif
- endif
ifeq ($(wildcard $(LDSCRIPT)),)
LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
endif
# Always append ALL so that arch config.mk's can add custom ones
ALL-y += u-boot.srec u-boot.bin System.map
-ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin
ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
ifeq ($(CONFIG_SPL_FSL_PBL),y)
ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
u-boot.lds: $(LDSCRIPT) prepare FORCE
$(call if_changed_dep,cpp_lds)
-PHONY += nand_spl
-nand_spl: prepare
- $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
- @echo >&2
- @echo >&2 "==================== WARNING ====================="
- @echo >&2 "nand_spl will not be included in v2014.07 release."
- @echo >&2 "Please switch over to SPL."
- @echo >&2 "Otherwise, this board will be removed."
- @echo >&2 "=================================================="
- @echo >&2
-
-nand_spl/u-boot-spl-16k.bin: nand_spl
- @:
-
-u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE
- $(call if_changed,cat)
-
spl/u-boot-spl.bin: spl/u-boot-spl
@:
spl/u-boot-spl: tools prepare
CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \
$(shell ls -1 spl 2>/dev/null))) \
tpl
-CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot*
+CLOBBER_FILES += u-boot* MLO* SPL System.map
# Directories & files removed with 'make mrproper'
MRPROPER_DIRS += include/config include/generated \
-o -name '*.symtypes' -o -name 'modules.order' \
-o -name modules.builtin -o -name '.tmp_*.o.*' \
-o -name '*.gcno' \) -type f -print | xargs rm -f
- @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
- -path './nand_spl/*' -type l -print | xargs rm -f
# clobber
#
+++ /dev/null
-/*
- * (C) Copyright 2006-2008
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <nand.h>
-#include <asm/io.h>
-
-static int nand_ecc_pos[] = CONFIG_SYS_NAND_ECCPOS;
-
-#define ECCSTEPS (CONFIG_SYS_NAND_PAGE_SIZE / \
- CONFIG_SYS_NAND_ECCSIZE)
-#define ECCTOTAL (ECCSTEPS * CONFIG_SYS_NAND_ECCBYTES)
-
-
-#if (CONFIG_SYS_NAND_PAGE_SIZE <= 512)
-/*
- * NAND command for small page NAND devices (512)
- */
-static int nand_command(struct mtd_info *mtd, int block, int page, int offs, u8 cmd)
-{
- struct nand_chip *this = mtd->priv;
- int page_addr = page + block * CONFIG_SYS_NAND_PAGE_COUNT;
-
- while (!this->dev_ready(mtd))
- ;
-
- /* Begin command latch cycle */
- this->cmd_ctrl(mtd, cmd, NAND_CTRL_CLE | NAND_CTRL_CHANGE);
- /* Set ALE and clear CLE to start address cycle */
- /* Column address */
- this->cmd_ctrl(mtd, offs, NAND_CTRL_ALE | NAND_CTRL_CHANGE);
- this->cmd_ctrl(mtd, page_addr & 0xff, NAND_CTRL_ALE); /* A[16:9] */
- this->cmd_ctrl(mtd, (page_addr >> 8) & 0xff,
- NAND_CTRL_ALE); /* A[24:17] */
-#ifdef CONFIG_SYS_NAND_4_ADDR_CYCLE
- /* One more address cycle for devices > 32MiB */
- this->cmd_ctrl(mtd, (page_addr >> 16) & 0x0f,
- NAND_CTRL_ALE); /* A[28:25] */
-#endif
- /* Latch in address */
- this->cmd_ctrl(mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
-
- /*
- * Wait a while for the data to be ready
- */
- while (!this->dev_ready(mtd))
- ;
-
- return 0;
-}
-#else
-/*
- * NAND command for large page NAND devices (2k)
- */
-static int nand_command(struct mtd_info *mtd, int block, int page, int offs, u8 cmd)
-{
- struct nand_chip *this = mtd->priv;
- int page_addr = page + block * CONFIG_SYS_NAND_PAGE_COUNT;
- void (*hwctrl)(struct mtd_info *mtd, int cmd,
- unsigned int ctrl) = this->cmd_ctrl;
-
- while (!this->dev_ready(mtd))
- ;
-
- /* Emulate NAND_CMD_READOOB */
- if (cmd == NAND_CMD_READOOB) {
- offs += CONFIG_SYS_NAND_PAGE_SIZE;
- cmd = NAND_CMD_READ0;
- }
-
- /* Shift the offset from byte addressing to word addressing. */
- if (this->options & NAND_BUSWIDTH_16)
- offs >>= 1;
-
- /* Begin command latch cycle */
- hwctrl(mtd, cmd, NAND_CTRL_CLE | NAND_CTRL_CHANGE);
- /* Set ALE and clear CLE to start address cycle */
- /* Column address */
- hwctrl(mtd, offs & 0xff,
- NAND_CTRL_ALE | NAND_CTRL_CHANGE); /* A[7:0] */
- hwctrl(mtd, (offs >> 8) & 0xff, NAND_CTRL_ALE); /* A[11:9] */
- /* Row address */
- hwctrl(mtd, (page_addr & 0xff), NAND_CTRL_ALE); /* A[19:12] */
- hwctrl(mtd, ((page_addr >> 8) & 0xff),
- NAND_CTRL_ALE); /* A[27:20] */
-#ifdef CONFIG_SYS_NAND_5_ADDR_CYCLE
- /* One more address cycle for devices > 128MiB */
- hwctrl(mtd, (page_addr >> 16) & 0x0f,
- NAND_CTRL_ALE); /* A[31:28] */
-#endif
- /* Latch in address */
- hwctrl(mtd, NAND_CMD_READSTART,
- NAND_CTRL_CLE | NAND_CTRL_CHANGE);
- hwctrl(mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
-
- /*
- * Wait a while for the data to be ready
- */
- while (!this->dev_ready(mtd))
- ;
-
- return 0;
-}
-#endif
-
-static int nand_is_bad_block(struct mtd_info *mtd, int block)
-{
- struct nand_chip *this = mtd->priv;
-
- nand_command(mtd, block, 0, CONFIG_SYS_NAND_BAD_BLOCK_POS, NAND_CMD_READOOB);
-
- /*
- * Read one byte (or two if it's a 16 bit chip).
- */
- if (this->options & NAND_BUSWIDTH_16) {
- if (readw(this->IO_ADDR_R) != 0xffff)
- return 1;
- } else {
- if (readb(this->IO_ADDR_R) != 0xff)
- return 1;
- }
-
- return 0;
-}
-
-#if defined(CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST)
-static int nand_read_page(struct mtd_info *mtd, int block, int page, uchar *dst)
-{
- struct nand_chip *this = mtd->priv;
- u_char ecc_calc[ECCTOTAL];
- u_char ecc_code[ECCTOTAL];
- u_char oob_data[CONFIG_SYS_NAND_OOBSIZE];
- int i;
- int eccsize = CONFIG_SYS_NAND_ECCSIZE;
- int eccbytes = CONFIG_SYS_NAND_ECCBYTES;
- int eccsteps = ECCSTEPS;
- uint8_t *p = dst;
-
- nand_command(mtd, block, page, 0, NAND_CMD_READOOB);
- this->read_buf(mtd, oob_data, CONFIG_SYS_NAND_OOBSIZE);
- nand_command(mtd, block, page, 0, NAND_CMD_READ0);
-
- /* Pick the ECC bytes out of the oob data */
- for (i = 0; i < ECCTOTAL; i++)
- ecc_code[i] = oob_data[nand_ecc_pos[i]];
-
-
- for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
- this->ecc.hwctl(mtd, NAND_ECC_READ);
- this->read_buf(mtd, p, eccsize);
- this->ecc.calculate(mtd, p, &ecc_calc[i]);
- this->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
- }
-
- return 0;
-}
-#else
-static int nand_read_page(struct mtd_info *mtd, int block, int page, uchar *dst)
-{
- struct nand_chip *this = mtd->priv;
- u_char ecc_calc[ECCTOTAL];
- u_char ecc_code[ECCTOTAL];
- u_char oob_data[CONFIG_SYS_NAND_OOBSIZE];
- int i;
- int eccsize = CONFIG_SYS_NAND_ECCSIZE;
- int eccbytes = CONFIG_SYS_NAND_ECCBYTES;
- int eccsteps = ECCSTEPS;
- uint8_t *p = dst;
-
- nand_command(mtd, block, page, 0, NAND_CMD_READ0);
-
- for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
- this->ecc.hwctl(mtd, NAND_ECC_READ);
- this->read_buf(mtd, p, eccsize);
- this->ecc.calculate(mtd, p, &ecc_calc[i]);
- }
- this->read_buf(mtd, oob_data, CONFIG_SYS_NAND_OOBSIZE);
-
- /* Pick the ECC bytes out of the oob data */
- for (i = 0; i < ECCTOTAL; i++)
- ecc_code[i] = oob_data[nand_ecc_pos[i]];
-
- eccsteps = ECCSTEPS;
- p = dst;
-
- for (i = 0 ; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
- /* No chance to do something with the possible error message
- * from correct_data(). We just hope that all possible errors
- * are corrected by this routine.
- */
- this->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
- }
-
- return 0;
-}
-#endif /* #if defined(CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST) */
-
-static int nand_load(struct mtd_info *mtd, unsigned int offs,
- unsigned int uboot_size, uchar *dst)
-{
- unsigned int block, lastblock;
- unsigned int page;
-
- /*
- * offs has to be aligned to a page address!
- */
- block = offs / CONFIG_SYS_NAND_BLOCK_SIZE;
- lastblock = (offs + uboot_size - 1) / CONFIG_SYS_NAND_BLOCK_SIZE;
- page = (offs % CONFIG_SYS_NAND_BLOCK_SIZE) / CONFIG_SYS_NAND_PAGE_SIZE;
-
- while (block <= lastblock) {
- if (!nand_is_bad_block(mtd, block)) {
- /*
- * Skip bad blocks
- */
- while (page < CONFIG_SYS_NAND_PAGE_COUNT) {
- nand_read_page(mtd, block, page, dst);
- dst += CONFIG_SYS_NAND_PAGE_SIZE;
- page++;
- }
-
- page = 0;
- } else {
- lastblock++;
- }
-
- block++;
- }
-
- return 0;
-}
-
-/*
- * The main entry for NAND booting. It's necessary that SDRAM is already
- * configured and available since this code loads the main U-Boot image
- * from NAND into SDRAM and starts it from there.
- */
-void nand_boot(void)
-{
- struct nand_chip nand_chip;
- nand_info_t nand_info;
- __attribute__((noreturn)) void (*uboot)(void);
-
- /*
- * Init board specific nand support
- */
- nand_chip.select_chip = NULL;
- nand_info.priv = &nand_chip;
- nand_chip.IO_ADDR_R = nand_chip.IO_ADDR_W = (void __iomem *)CONFIG_SYS_NAND_BASE;
- nand_chip.dev_ready = NULL; /* preset to NULL */
- nand_chip.options = 0;
- board_nand_init(&nand_chip);
-
- if (nand_chip.select_chip)
- nand_chip.select_chip(&nand_info, 0);
-
- /*
- * Load U-Boot image from NAND into RAM
- */
- nand_load(&nand_info, CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE,
- (uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
-
-#ifdef CONFIG_NAND_ENV_DST
- nand_load(&nand_info, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
- (uchar *)CONFIG_NAND_ENV_DST);
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
- nand_load(&nand_info, CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
- (uchar *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
-#endif
-#endif
-
- if (nand_chip.select_chip)
- nand_chip.select_chip(&nand_info, -1);
-
- /*
- * Jump to U-Boot image
- */
- uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
- (*uboot)();
-}
+++ /dev/null
-/*
- * NAND boot for Freescale Enhanced Local Bus Controller, Flash Control Machine
- *
- * (C) Copyright 2006-2008
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * Copyright (c) 2008 Freescale Semiconductor, Inc.
- * Author: Scott Wood <scottwood@freescale.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/fsl_lbc.h>
-#include <linux/mtd/nand.h>
-
-#define WINDOW_SIZE 8192
-
-static void nand_wait(void)
-{
- fsl_lbc_t *regs = LBC_BASE_ADDR;
-
- for (;;) {
- uint32_t status = in_be32(®s->ltesr);
-
- if (status == 1)
- return;
-
- if (status & 1) {
- puts("read failed (ltesr)\n");
- for (;;);
- }
- }
-}
-
-static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
-{
- fsl_lbc_t *regs = LBC_BASE_ADDR;
- uchar *buf = (uchar *)CONFIG_SYS_NAND_BASE;
- const int large = CONFIG_SYS_NAND_OR_PRELIM & OR_FCM_PGS;
- const int block_shift = large ? 17 : 14;
- const int block_size = 1 << block_shift;
- const int page_size = large ? 2048 : 512;
- const int bad_marker = large ? page_size + 0 : page_size + 5;
- int fmr = (15 << FMR_CWTO_SHIFT) | (2 << FMR_AL_SHIFT) | 2;
- int pos = 0;
-
- if (offs & (block_size - 1)) {
- puts("bad offset\n");
- for (;;);
- }
-
- if (large) {
- fmr |= FMR_ECCM;
- __raw_writel((NAND_CMD_READ0 << FCR_CMD0_SHIFT) |
- (NAND_CMD_READSTART << FCR_CMD1_SHIFT),
- ®s->fcr);
- __raw_writel(
- (FIR_OP_CW0 << FIR_OP0_SHIFT) |
- (FIR_OP_CA << FIR_OP1_SHIFT) |
- (FIR_OP_PA << FIR_OP2_SHIFT) |
- (FIR_OP_CW1 << FIR_OP3_SHIFT) |
- (FIR_OP_RBW << FIR_OP4_SHIFT),
- ®s->fir);
- } else {
- __raw_writel(NAND_CMD_READ0 << FCR_CMD0_SHIFT, ®s->fcr);
- __raw_writel(
- (FIR_OP_CW0 << FIR_OP0_SHIFT) |
- (FIR_OP_CA << FIR_OP1_SHIFT) |
- (FIR_OP_PA << FIR_OP2_SHIFT) |
- (FIR_OP_RBW << FIR_OP3_SHIFT),
- ®s->fir);
- }
-
- __raw_writel(0, ®s->fbcr);
-
- while (pos < uboot_size) {
- int i = 0;
- __raw_writel(offs >> block_shift, ®s->fbar);
-
- do {
- int j;
- unsigned int page_offs = (offs & (block_size - 1)) << 1;
-
- __raw_writel(~0, ®s->ltesr);
- __raw_writel(0, ®s->lteatr);
- __raw_writel(page_offs, ®s->fpar);
- __raw_writel(fmr, ®s->fmr);
- sync();
- __raw_writel(0, ®s->lsor);
- nand_wait();
-
- page_offs %= WINDOW_SIZE;
-
- /*
- * If either of the first two pages are marked bad,
- * continue to the next block.
- */
- if (i++ < 2 && buf[page_offs + bad_marker] != 0xff) {
- puts("skipping\n");
- offs = (offs + block_size) & ~(block_size - 1);
- pos &= ~(block_size - 1);
- break;
- }
-
- for (j = 0; j < page_size; j++)
- dst[pos + j] = buf[page_offs + j];
-
- pos += page_size;
- offs += page_size;
- } while ((offs & (block_size - 1)) && (pos < uboot_size));
- }
-}
-
-/*
- * The main entry for NAND booting. It's necessary that SDRAM is already
- * configured and available since this code loads the main U-Boot image
- * from NAND into SDRAM and starts it from there.
- */
-void nand_boot(void)
-{
- __attribute__((noreturn)) void (*uboot)(void);
-
- /*
- * Load U-Boot image from NAND into RAM
- */
- nand_load(CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE,
- (uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
-
- /*
- * Jump to U-Boot image
- */
- puts("transfering control\n");
- /*
- * Clean d-cache and invalidate i-cache, to
- * make sure that no stale data is executed.
- */
- flush_cache(CONFIG_SYS_NAND_U_BOOT_DST, CONFIG_SYS_NAND_U_BOOT_SIZE);
- uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
- uboot();
-}
projects / karo-tx-uboot.git / commitdiff