Add get_boot_device to detect boot device. Add print_bootinfo to print the boot device info.
Signed-off-by: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de --- arch/arm/include/asm/arch-imx8/sys_proto.h | 10 ++++ arch/arm/mach-imx/imx8/cpu.c | 85 ++++++++++++++++++++++++++++++ 2 files changed, 95 insertions(+) create mode 100644 arch/arm/include/asm/arch-imx8/sys_proto.h
diff --git a/arch/arm/include/asm/arch-imx8/sys_proto.h b/arch/arm/include/asm/arch-imx8/sys_proto.h new file mode 100644 index 0000000000..f9a3016132 --- /dev/null +++ b/arch/arm/include/asm/arch-imx8/sys_proto.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2018 NXP + */ + +#include <asm/mach-imx/sys_proto.h> +#include <linux/types.h> + +enum boot_device get_boot_device(void); +int print_bootinfo(void); diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 0b841e291d..90b6ea4211 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -11,8 +11,10 @@ #include <dm/uclass.h> #include <errno.h> #include <asm/arch/sci/sci.h> +#include <asm/arch/sys_proto.h> #include <asm/arch-imx/cpu.h> #include <asm/armv8/cpu.h> +#include <asm/mach-imx/boot_mode.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -91,3 +93,86 @@ int print_cpuinfo(void) return 0; } #endif + +int print_bootinfo(void) +{ + enum boot_device bt_dev = get_boot_device(); + + puts("Boot: "); + switch (bt_dev) { + case SD1_BOOT: + puts("SD0\n"); + break; + case SD2_BOOT: + puts("SD1\n"); + break; + case SD3_BOOT: + puts("SD2\n"); + break; + case MMC1_BOOT: + puts("MMC0\n"); + break; + case MMC2_BOOT: + puts("MMC1\n"); + break; + case MMC3_BOOT: + puts("MMC2\n"); + break; + case FLEXSPI_BOOT: + puts("FLEXSPI\n"); + break; + case SATA_BOOT: + puts("SATA\n"); + break; + case NAND_BOOT: + puts("NAND\n"); + break; + case USB_BOOT: + puts("USB\n"); + break; + default: + printf("Unknown device %u\n", bt_dev); + break; + } + + return 0; +} + +enum boot_device get_boot_device(void) +{ + enum boot_device boot_dev = SD1_BOOT; + + sc_rsrc_t dev_rsrc; + + sc_misc_get_boot_dev(-1, &dev_rsrc); + + switch (dev_rsrc) { + case SC_R_SDHC_0: + boot_dev = MMC1_BOOT; + break; + case SC_R_SDHC_1: + boot_dev = SD2_BOOT; + break; + case SC_R_SDHC_2: + boot_dev = SD3_BOOT; + break; + case SC_R_NAND: + boot_dev = NAND_BOOT; + break; + case SC_R_FSPI_0: + boot_dev = FLEXSPI_BOOT; + break; + case SC_R_SATA_0: + boot_dev = SATA_BOOT; + break; + case SC_R_USB_0: + case SC_R_USB_1: + case SC_R_USB_2: + boot_dev = USB_BOOT; + break; + default: + break; + } + + return boot_dev; +}