diff options
Diffstat (limited to 'arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c')
| -rw-r--r-- | arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c b/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c new file mode 100644 index 0000000000..100275e6cb --- /dev/null +++ b/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> +#include <linux/io.h> + +#include "../sg-regs.h" +#include "boot-device.h" + +static struct boot_device_info boot_device_table[] = { + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 256KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 512KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 128KB, Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 128KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 256KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 256KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 512KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 512KB, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, ONFI Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI Addr 4)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, ONFI Addr 5)"}, + {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI Addr 5)"}, + {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training Off)"}, + {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training On)"}, + {BOOT_DEVICE_MMC1, "eMMC (Legacy, 8bit, 1.8V, Training Off)"}, + {BOOT_DEVICE_MMC1, "eMMC (Legacy, 8bit, 1.8V, Training On)"}, + {BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training Off)"}, + {BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training On)"}, + {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training Off)"}, + {BOOT_DEVICE_NONE, "Reserved"}, +}; + +static int get_boot_mode_sel(void) +{ + return (readl(SG_PINMON0) >> 1) & 0x1f; +} + +u32 uniphier_ld20_boot_device(void) +{ + int boot_mode; + + if (~readl(SG_PINMON0) & 0x00000780) + return BOOT_DEVICE_USB; + + boot_mode = get_boot_mode_sel(); + + return boot_device_table[boot_mode].type; +} + +void uniphier_ld20_boot_mode_show(void) +{ + int mode_sel, i; + + mode_sel = get_boot_mode_sel(); + + puts("Boot Mode Pin:\n"); + + for (i = 0; i < ARRAY_SIZE(boot_device_table); i++) + printf(" %c %02x %s\n", i == mode_sel ? '*' : ' ', i, + boot_device_table[i].info); +} |