os/nandboot-R2_0_4/bootload.c File Reference

#include <linux/types.h>
#include <linux/autoconf.h>
#include "mtd.h"
#include "nand.h"
#include "delay.h"
#include <asm/arch/hwregs/reg_rdwr.h>
#include <asm/arch/hwregs/reg_map.h>
#include <asm/arch/hwregs/pinmux_defs.h>
#include <asm/arch/hwregs/bif_core_defs.h>
#include <asm/arch/hwregs/gio_defs.h>
#include "lib.h"
#include "bootconfig.h"

Include dependency graph for bootload.c:

Go to the source code of this file.

Defines
#define	BOOTDEBUG   1
#define	MORE_BOOTDEBUG   1
#define	NANDRW_READ   0x01
#define	NANDRW_WRITE   0x00
#define	NANDRW_JFFS2   0x02
#define	NANDRW_JFFS2_SKIP   0x04
#define	ROUND_DOWN(value, boundary)   ((value) & (~((boundary)-1)))
#define	SET_MAGIC_AND_BOOT(ADDR, MAGIC_R8, MAGIC_R12)   __asm__ volatile (" \ move.d " #MAGIC_R8 ", $r8\n\ move.d " #MAGIC_R12 ", $r12\n\ jump %0\n\ nop\n\ " : : "r" (ADDR))
#define	BOOT1(ADDR, MAGIC_R8, MAGIC_R12)   SET_MAGIC_AND_BOOT(ADDR, MAGIC_R8, MAGIC_R12);
#define	BOOT(ADDR)   BOOT1(ADDR, RAM_INIT_MAGIC, NAND_BOOT_MAGIC);
Functions
mtd_info *	crisv32_nand_flash_probe (void)
static int	nand_rw (struct mtd_info *mtd, int cmd, size_t start, size_t len, size_t *retlen, u_char *buf)
void	bootload (void)
Variables
int	_end
int	_bss
int	_edata

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Define Documentation

#define BOOT

(

ADDR

)

BOOT1(ADDR, RAM_INIT_MAGIC, NAND_BOOT_MAGIC);

Definition at line 80 of file bootload.c.

Referenced by bootload().

#define BOOT1	(	ADDR,
		MAGIC_R8,
		MAGIC_R12		)	SET_MAGIC_AND_BOOT(ADDR, MAGIC_R8, MAGIC_R12);

Definition at line 78 of file bootload.c.

#define BOOTDEBUG   1

Definition at line 56 of file bootload.c.

#define MORE_BOOTDEBUG   1

Definition at line 57 of file bootload.c.

#define NANDRW_JFFS2   0x02

Definition at line 64 of file bootload.c.

Referenced by bootload(), and nand_rw().

#define NANDRW_JFFS2_SKIP   0x04

Definition at line 65 of file bootload.c.

Referenced by bootload(), and nand_rw().

#define NANDRW_READ   0x01

Definition at line 62 of file bootload.c.

Referenced by bootload(), and nand_rw().

#define NANDRW_WRITE   0x00

Definition at line 63 of file bootload.c.

Referenced by nand_rw().

#define ROUND_DOWN	(	value,
		boundary		)	((value) & (~((boundary)-1)))

Definition at line 67 of file bootload.c.

Referenced by rflflash_nand_rw().

#define SET_MAGIC_AND_BOOT	(	ADDR,
		MAGIC_R8,
		MAGIC_R12		)	__asm__ volatile (" \ move.d " #MAGIC_R8 ", $r8\n\ move.d " #MAGIC_R12 ", $r12\n\ jump %0\n\ nop\n\ " : : "r" (ADDR))

Definition at line 71 of file bootload.c.

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Function Documentation

void bootload

(

void

)

Definition at line 198 of file bootload.c.

References _bss, _edata, _end, BOOT, crisv32_nand_flash_probe(), nand_oobinfo::eccbytes, nand_oobinfo::eccpos, mtd_info::eccsize, mtd_info::ecctype, mtd_info::erasesize, error(), mtd_info::flags, mtd_info::name, nand_rw(), NANDRW_JFFS2, NANDRW_JFFS2_SKIP, NANDRW_READ, mtd_info::oobblock, mtd_info::oobinfo, mtd_info::oobsize, putc(), putnl(), puts(), putx(), serial_init(), mtd_info::size, mtd_info::type, and nand_oobinfo::useecc.

struct mtd_info* crisv32_nand_flash_probe

(

void

)

Definition at line 125 of file nandflash.c.

References __iomem, ALE_BIT, BY_BIT, CE_BIT, nand_chip::chip_delay, CLE_BIT, nand_chip::cmd_ctrl, crisv32_device_ready(), crisv32_hwcontrol(), crisv32_mtd, nand_chip::dev_ready, nand_chip::ecc, nand_chip::eccmode, GFP_KERNEL, nand_chip::hwcontrol, nand_chip::IO_ADDR_R, nand_chip::IO_ADDR_W, ioremap, iounmap, kfree, kmalloc, memset(), nand_ecc_ctrl::mode, NAND_ECC_SOFT, nand_scan(), NAND_USE_FLASH_BBT, nand_chip::options, port_dummy_addr, and printk.

static int nand_rw	(	struct mtd_info *	mtd,
		int	cmd,
		size_t	start,
		size_t	len,
		size_t *	retlen,
		u_char *	buf
	)			[static]

Definition at line 99 of file bootload.c.

References mtd_info::block_isbad, mtd_info::erasesize, min, n, NANDRW_JFFS2, NANDRW_JFFS2_SKIP, NANDRW_READ, NANDRW_WRITE, putnl(), puts(), putx(), mtd_info::read_ecc, and mtd_info::write_ecc.

Referenced by bootload().

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Variable Documentation

int _bss

Referenced by bootload().

int _edata

int _end

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