diff options
Diffstat (limited to 'arch/arm/mach-zynq/spl.c')
-rw-r--r-- | arch/arm/mach-zynq/spl.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/spl.c b/arch/arm/mach-zynq/spl.c new file mode 100644 index 0000000..13025f0 --- /dev/null +++ b/arch/arm/mach-zynq/spl.c @@ -0,0 +1,90 @@ +/* + * (C) Copyright 2014 Xilinx, Inc. Michal Simek + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <spl.h> + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/spl.h> +#include <asm/arch/sys_proto.h> + +DECLARE_GLOBAL_DATA_PTR; + +void board_init_f(ulong dummy) +{ + ps7_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + preloader_console_init(); + arch_cpu_init(); + board_init_r(NULL, 0); +} + +#ifdef CONFIG_SPL_BOARD_INIT +void spl_board_init(void) +{ + board_init(); +} +#endif + +u32 spl_boot_device(void) +{ + u32 mode; + + switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) { +#ifdef CONFIG_SPL_SPI_SUPPORT + case ZYNQ_BM_QSPI: + puts("qspi boot\n"); + mode = BOOT_DEVICE_SPI; + break; +#endif + case ZYNQ_BM_NAND: + mode = BOOT_DEVICE_NAND; + break; + case ZYNQ_BM_NOR: + mode = BOOT_DEVICE_NOR; + break; +#ifdef CONFIG_SPL_MMC_SUPPORT + case ZYNQ_BM_SD: + puts("mmc boot\n"); + mode = BOOT_DEVICE_MMC1; + break; +#endif + case ZYNQ_BM_JTAG: + mode = BOOT_DEVICE_RAM; + break; + default: + puts("Unsupported boot mode selected\n"); + hang(); + } + + return mode; +} + +#ifdef CONFIG_SPL_MMC_SUPPORT +u32 spl_boot_mode(void) +{ + return MMCSD_MODE_FS; +} +#endif + +#ifdef CONFIG_SPL_OS_BOOT +int spl_start_uboot(void) +{ + /* boot linux */ + return 0; +} +#endif + +__weak void ps7_init(void) +{ + /* + * This function is overridden by the one in + * board/xilinx/zynq/ps7_init_gpl.c, if it exists. + */ +} |