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Blackfin: move bootldr command to common code 

This moves the Blackfin-common bootldr command out of the BF537-STAMP
specific board directory and into the common directory so that all Blackfin
boards may utilize it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-02-16 07:40:36 -05:00
parent b8aa57b5d4
commit 86a20fb920
3 changed files with 65 additions and 45 deletions
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45
board/bf537-stamp/bf537-stamp.c
View File

@ -54,51 +54,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define POST_WORD_ADDR 0xFF903FFC
/*
* the bootldr command loads an address, checks to see if there
* is a Boot stream that the on-chip BOOTROM can understand,
* and loads it via the BOOTROM Callback. It is possible
* to also add booting from SPI, or TWI, but this function does
* not currently support that.
*/
int do_bootldr(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
ulong addr, entry;
ulong *data;
/* Get the address */
if (argc < 2) {
addr = load_addr;
} else {
addr = simple_strtoul(argv[1], NULL, 16);
}
/* Check if it is a LDR file */
data = (ulong *) addr;
if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
/* We want to boot from FLASH or SDRAM */
entry = _BOOTROM_BOOT_DXE_FLASH;
printf("## Booting ldr image at 0x%08lx ...\n", addr);
if (icache_status())
icache_disable();
if (dcache_status())
dcache_disable();
__asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
:[a] "d"(addr),[b] "a"(entry)
:"R7", "P0");
} else {
printf("## No ldr image at address 0x%08lx\n", addr);
}
return 0;
}
U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
"bootldr - boot ldr image from memory\n",
"[addr]\n - boot ldr image stored in memory\n");
int checkboard(void)
{
#if (BFIN_CPU == ADSP_BF534)

1
common/Makefile
View File

@ -37,6 +37,7 @@ COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o
COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o
COBJS-y += cmd_boot.o
COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o
COBJS-y += cmd_bootm.o
COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o

64
common/cmd_bootldr.c Normal file
View File

@ -0,0 +1,64 @@
/*
* U-boot - bootldr.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 <config.h>
#include <common.h>
#include <command.h>
#include <asm/blackfin.h>
#include <asm/mach-common/bits/bootrom.h>
/*
* the bootldr command loads an address, checks to see if there
* is a Boot stream that the on-chip BOOTROM can understand,
* and loads it via the BOOTROM Callback. It is possible
* to also add booting from SPI, or TWI, but this function does
* not currently support that.
*/
int do_bootldr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
void *addr;
uint32_t *data;
/* Get the address */
if (argc < 2)
addr = (void *)load_addr;
else
addr = (void *)simple_strtoul(argv[1], NULL, 16);
/* Check if it is a LDR file */
data = addr;
#if defined(__ADSPBF54x__) || defined(__ADSPBF52x__)
if ((*data & 0xFF000000) == 0xAD000000 && data[2] == 0x00000000) {
#else
if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
#endif
/* We want to boot from FLASH or SDRAM */
printf("## Booting ldr image at 0x%p ...\n", addr);
icache_disable();
dcache_disable();
__asm__(
"jump (%1);"
:
: "q7" (addr), "a" (_BOOTROM_MEMBOOT));
} else
printf("## No ldr image at address 0x%p\n", addr);
return 0;
}
U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
"bootldr - boot ldr image from memory\n",
"[addr]\n"
" - boot ldr image stored in memory\n");