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author | Tom Rini <trini@konsulko.com> | 2018-07-13 09:05:05 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2018-07-13 14:47:04 -0400 |
commit | 914bb7ea2f9373fa59285ff77a95df73848c8f66 (patch) | |
tree | f27ecab47f71990f91fbe0daad932ab0c5fce726 /arch/arm/mach-socfpga/spl_a10.c | |
parent | f2df46e5d9388987c2084a39f05f2ad32801b3b0 (diff) | |
parent | aa529663368e97663d7ec16d6997cb69a2dd8afb (diff) | |
download | u-boot-914bb7ea2f9373fa59285ff77a95df73848c8f66.tar.gz |
Merge branch 'master' of git://git.denx.de/u-boot-socfpga
- Update SPDX tag in arch/arm/mach-socfpga/spl_a10.c
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm/mach-socfpga/spl_a10.c')
-rw-r--r-- | arch/arm/mach-socfpga/spl_a10.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/spl_a10.c b/arch/arm/mach-socfpga/spl_a10.c new file mode 100644 index 0000000000..fe4782c9cb --- /dev/null +++ b/arch/arm/mach-socfpga/spl_a10.c @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2012 Altera Corporation <www.altera.com> + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/pl310.h> +#include <asm/u-boot.h> +#include <asm/utils.h> +#include <image.h> +#include <asm/arch/reset_manager.h> +#include <spl.h> +#include <asm/arch/system_manager.h> +#include <asm/arch/freeze_controller.h> +#include <asm/arch/clock_manager.h> +#include <asm/arch/scan_manager.h> +#include <asm/arch/sdram.h> +#include <asm/arch/scu.h> +#include <asm/arch/nic301.h> +#include <asm/sections.h> +#include <fdtdec.h> +#include <watchdog.h> +#include <asm/arch/pinmux.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const struct socfpga_system_manager *sysmgr_regs = + (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; + +u32 spl_boot_device(void) +{ + const u32 bsel = readl(&sysmgr_regs->bootinfo); + + switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) { + case 0x1: /* FPGA (HPS2FPGA Bridge) */ + return BOOT_DEVICE_RAM; + case 0x2: /* NAND Flash (1.8V) */ + case 0x3: /* NAND Flash (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(NAND), 0); + return BOOT_DEVICE_NAND; + case 0x4: /* SD/MMC External Transceiver (1.8V) */ + case 0x5: /* SD/MMC Internal Transceiver (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0); + socfpga_per_reset(SOCFPGA_RESET(DMA), 0); + return BOOT_DEVICE_MMC1; + case 0x6: /* QSPI Flash (1.8V) */ + case 0x7: /* QSPI Flash (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(QSPI), 0); + return BOOT_DEVICE_SPI; + default: + printf("Invalid boot device (bsel=%08x)!\n", bsel); + hang(); + } +} + +#ifdef CONFIG_SPL_MMC_SUPPORT +u32 spl_boot_mode(const u32 boot_device) +{ +#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) + return MMCSD_MODE_FS; +#else + return MMCSD_MODE_RAW; +#endif +} +#endif + +void spl_board_init(void) +{ + /* configuring the clock based on handoff */ + cm_basic_init(gd->fdt_blob); + WATCHDOG_RESET(); + + config_dedicated_pins(gd->fdt_blob); + WATCHDOG_RESET(); + + /* Release UART from reset */ + socfpga_reset_uart(0); + + /* enable console uart printing */ + preloader_console_init(); +} + +void board_init_f(ulong dummy) +{ + /* + * Configure Clock Manager to use intosc clock instead external osc to + * ensure success watchdog operation. We do it as early as possible. + */ + cm_use_intosc(); + + socfpga_watchdog_disable(); + + arch_early_init_r(); + +#ifdef CONFIG_HW_WATCHDOG + /* release osc1 watchdog timer 0 from reset */ + socfpga_reset_deassert_osc1wd0(); + + /* reconfigure and enable the watchdog */ + hw_watchdog_init(); + WATCHDOG_RESET(); +#endif /* CONFIG_HW_WATCHDOG */ +} |