diff options
Diffstat (limited to 'qemu/roms/u-boot/board/vpac270/onenand.c')
-rw-r--r-- | qemu/roms/u-boot/board/vpac270/onenand.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/vpac270/onenand.c b/qemu/roms/u-boot/board/vpac270/onenand.c new file mode 100644 index 000000000..a749b310c --- /dev/null +++ b/qemu/roms/u-boot/board/vpac270/onenand.c @@ -0,0 +1,46 @@ +/* + * Voipac PXA270 OneNAND SPL + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <onenand_uboot.h> +#include <asm/arch/pxa.h> + +void board_init_f(unsigned long unused) +{ + extern uint32_t _end; + uint32_t tmp; + + asm volatile("mov %0, pc" : "=r"(tmp)); + tmp >>= 24; + + /* The code runs from OneNAND RAM, copy SPL to SRAM and execute it. */ + if (tmp == 0) { + tmp = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE; + onenand_spl_load_image(0, tmp, (void *)CONFIG_SPL_TEXT_BASE); + asm volatile("mov pc, %0" : : "r"(CONFIG_SPL_TEXT_BASE)); + } + + /* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */ + arch_cpu_init(); + pxa2xx_dram_init(); + onenand_spl_load_image(CONFIG_SPL_ONENAND_LOAD_ADDR, + CONFIG_SPL_ONENAND_LOAD_SIZE, + (void *)CONFIG_SYS_TEXT_BASE); + asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE)); + + for (;;) + ; +} + +void __attribute__((noreturn)) hang(void) +{ + for (;;) + ; +} |