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author | Minkyu Kang <mk7.kang@samsung.com> | 2010-04-19 10:26:18 +0900 |
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committer | Minkyu Kang <mk7.kang@samsung.com> | 2010-04-19 10:26:18 +0900 |
commit | 83653121d7382fccfe329cb732f77f116341ef1d (patch) | |
tree | 0b1ce6764252af15dfb2614372de98a44a7ec61f /arch/blackfin/lib/boot.c | |
parent | 0f1f21a345e02a68ec16f7ab9e7dc687f9276089 (diff) | |
parent | 07739bcef5da07cc4a4edef8b91014ccc332eda3 (diff) | |
download | u-boot-imx-83653121d7382fccfe329cb732f77f116341ef1d.zip u-boot-imx-83653121d7382fccfe329cb732f77f116341ef1d.tar.gz u-boot-imx-83653121d7382fccfe329cb732f77f116341ef1d.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Conflicts:
cpu/arm1176/cpu.c
cpu/arm1176/start.S
cpu/arm_cortexa8/s5pc1xx/Makefile
cpu/arm_cortexa8/s5pc1xx/clock.c
drivers/serial/serial_s5p.c
include/asm-arm/arch-s5pc1xx/clk.h
include/asm-arm/arch-s5pc1xx/gpio.h
include/asm-arm/arch-s5pc1xx/uart.h
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/blackfin/lib/boot.c')
-rw-r--r-- | arch/blackfin/lib/boot.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/blackfin/lib/boot.c b/arch/blackfin/lib/boot.c new file mode 100644 index 0000000..951d5b0 --- /dev/null +++ b/arch/blackfin/lib/boot.c @@ -0,0 +1,63 @@ +/* + * U-boot - boot.c - misc boot helper functions + * + * Copyright (c) 2005-2008 Analog Devices Inc. + * + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <command.h> +#include <image.h> +#include <asm/blackfin.h> + +#ifdef SHARED_RESOURCES +extern void swap_to(int device_id); +#endif + +static char *make_command_line(void) +{ + char *dest = (char *)CONFIG_LINUX_CMDLINE_ADDR; + char *bootargs = getenv("bootargs"); + + if (bootargs == NULL) + return NULL; + + strncpy(dest, bootargs, CONFIG_LINUX_CMDLINE_SIZE); + dest[CONFIG_LINUX_CMDLINE_SIZE - 1] = 0; + return dest; +} + +extern ulong bfin_poweron_retx; + +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +{ + int (*appl) (char *cmdline); + char *cmdline; + + if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) + return 1; + +#ifdef SHARED_RESOURCES + swap_to(FLASH); +#endif + + appl = (int (*)(char *))images->ep; + + printf("Starting Kernel at = %p\n", appl); + cmdline = make_command_line(); + icache_disable(); + dcache_disable(); + asm __volatile__( + "RETX = %[retx];" + "CALL (%0);" + : + : "p"(appl), "q0"(cmdline), [retx] "d"(bfin_poweron_retx) + ); + /* does not return */ + + return 1; +} |