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Blackfin: new spibootldr command

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Newer Blackfin parts can an on-chip ROM that can boot LDRs over SPI flashes,
so add a new 'spibootldr' command to take advantage of it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-11-27 16:50:32 -05:00
parent 67c2829b64
commit dd14af7640
4 changed files with 65 additions and 0 deletions
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1
common/Makefile
View file

@ -133,6 +133,7 @@ COBJS-$(CONFIG_CMD_SF) += cmd_sf.o
COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o
COBJS-$(CONFIG_CMD_SPIBOOTLDR) += cmd_spibootldr.o
COBJS-$(CONFIG_CMD_STRINGS) += cmd_strings.o
COBJS-$(CONFIG_CMD_TERMINAL) += cmd_terminal.o
COBJS-$(CONFIG_CMD_UBI) += cmd_ubi.o

36
common/cmd_spibootldr.c Normal file
View file

@ -0,0 +1,36 @@
/*
* U-boot - spibootldr.c
*
* Copyright (c) 2005-2008 Analog Devices Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <command.h>
#include <asm/blackfin.h>
#include <asm/mach-common/bits/bootrom.h>
int do_spibootldr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
s32 addr;
/* Get the address */
if (argc < 2)
addr = 0;
else
addr = simple_strtoul(argv[1], NULL, 16);
printf("## Booting ldr image at SPI offset 0x%x ...\n", addr);
return bfrom_SpiBoot(addr, BFLAG_PERIPHERAL | 4, 0, NULL);
}
U_BOOT_CMD(spibootldr, 2, 0, do_spibootldr,
"boot ldr image from spi",
"[offset]\n"
" - boot ldr image stored at offset into spi\n");

27
include/asm-blackfin/mach-common/bits/bootrom.h
View file

@ -200,6 +200,33 @@ typedef struct ADI_BOOT_DATA {
int32_t dLogByteCount;
} ADI_BOOT_DATA;
typedef void ADI_BOOT_HOOK_FUNC (ADI_BOOT_DATA *);
#ifndef _BOOTROM_MEMBOOT
#define _BOOTROM_MEMBOOT 0
#endif
static uint32_t (* const bfrom_MemBoot)(void *pBootStream, int32_t dFlags, int32_t dBlockCount, ADI_BOOT_HOOK_FUNC *pCallHook) = (void *)_BOOTROM_MEMBOOT;
#ifndef _BOOTROM_TWIBOOT
#define _BOOTROM_TWIBOOT 0
#endif
static uint32_t (* const bfrom_TwiBoot)(int32_t dTwiAddress, int32_t dFlags, int32_t dBlockCount, ADI_BOOT_HOOK_FUNC *pCallHook) = (void *)_BOOTROM_TWIBOOT;
#ifndef _BOOTROM_SPIBOOT
#define _BOOTROM_SPIBOOT 0
#endif
static uint32_t (* const bfrom_SpiBoot)(int32_t dSpiAddress, int32_t dFlags, int32_t dBlockCount, ADI_BOOT_HOOK_FUNC *pCallHook) = (void *)_BOOTROM_SPIBOOT;
#ifndef _BOOTROM_OTPBOOT
#define _BOOTROM_OTPBOOT 0
#endif
static uint32_t (* const bfrom_OtpBoot)(int32_t dOtpAddress, int32_t dFlags, int32_t dBlockCount, ADI_BOOT_HOOK_FUNC *pCallHook) = (void *)_BOOTROM_OTPBOOT;
#ifndef _BOOTROM_NANDBOOT
#define _BOOTROM_NANDBOOT 0
#endif
static uint32_t (* const bfrom_NandBoot)(int32_t dNandAddress, int32_t dFlags, int32_t dBlockCount, ADI_BOOT_HOOK_FUNC *pCallHook) = (void *)_BOOTROM_NANDBOOT;
#endif /* __ASSEMBLY__ */
/* Bit defines for ADI_BOOT_DATA->dFlags */

1
include/configs/bfin_adi_common.h
View file

@ -71,6 +71,7 @@
# define CONFIG_CMD_STRINGS
# if defined(__ADSPBF51x__) || defined(__ADSPBF52x__) || defined(__ADSPBF54x__)
# define CONFIG_CMD_OTP
# define CONFIG_CMD_SPIBOOTLDR
# endif
#endif