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 --- board/bf537-stamp/bf537-stamp.c | 45 --------------------------- common/Makefile | 1 + common/cmd_bootldr.c | 64 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 65 insertions(+), 45 deletions(-) create mode 100644 common/cmd_bootldr.c
diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c index d279817..e36a1b6 100644 --- a/board/bf537-stamp/bf537-stamp.c +++ b/board/bf537-stamp/bf537-stamp.c @@ -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) diff --git a/common/Makefile b/common/Makefile index a88d1ef..1244e0b 100644 --- a/common/Makefile +++ b/common/Makefile @@ -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 diff --git a/common/cmd_bootldr.c b/common/cmd_bootldr.c new file mode 100644 index 0000000..e6474aa --- /dev/null +++ b/common/cmd_bootldr.c @@ -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");