diff options
Diffstat (limited to 'arch/arm/mach-imx/imx9/soc.c')
-rw-r--r-- | arch/arm/mach-imx/imx9/soc.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c index 5dbef02482..60fbc60383 100644 --- a/arch/arm/mach-imx/imx9/soc.c +++ b/arch/arm/mach-imx/imx9/soc.c @@ -29,6 +29,124 @@ DECLARE_GLOBAL_DATA_PTR; +struct rom_api *g_rom_api = (struct rom_api *)0x1980; + +enum boot_device get_boot_device(void) +{ + volatile gd_t *pgd = gd; + int ret; + u32 boot; + u16 boot_type; + u8 boot_instance; + enum boot_device boot_dev = SD1_BOOT; + + ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot, + ((uintptr_t)&boot) ^ QUERY_BT_DEV); + set_gd(pgd); + + if (ret != ROM_API_OKAY) { + puts("ROMAPI: failure at query_boot_info\n"); + return -1; + } + + boot_type = boot >> 16; + boot_instance = (boot >> 8) & 0xff; + + switch (boot_type) { + case BT_DEV_TYPE_SD: + boot_dev = boot_instance + SD1_BOOT; + break; + case BT_DEV_TYPE_MMC: + boot_dev = boot_instance + MMC1_BOOT; + break; + case BT_DEV_TYPE_NAND: + boot_dev = NAND_BOOT; + break; + case BT_DEV_TYPE_FLEXSPINOR: + boot_dev = QSPI_BOOT; + break; + case BT_DEV_TYPE_USB: + boot_dev = boot_instance + USB_BOOT; + break; + default: + break; + } + + debug("boot dev %d\n", boot_dev); + + return boot_dev; +} + +bool is_usb_boot(void) +{ + enum boot_device bt_dev = get_boot_device(); + return (bt_dev == USB_BOOT || bt_dev == USB2_BOOT); +} + +void disconnect_from_pc(void) +{ + enum boot_device bt_dev = get_boot_device(); + + if (bt_dev == USB_BOOT) + writel(0x0, USB1_BASE_ADDR + 0x140); + else if (bt_dev == USB2_BOOT) + writel(0x0, USB2_BASE_ADDR + 0x140); + + return; +} + +#ifdef CONFIG_ENV_IS_IN_MMC +__weak int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int mmc_get_env_dev(void) +{ + volatile gd_t *pgd = gd; + int ret; + u32 boot; + u16 boot_type; + u8 boot_instance; + + ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot, + ((uintptr_t)&boot) ^ QUERY_BT_DEV); + set_gd(pgd); + + if (ret != ROM_API_OKAY) { + puts("ROMAPI: failure at query_boot_info\n"); + return CONFIG_SYS_MMC_ENV_DEV; + } + + boot_type = boot >> 16; + boot_instance = (boot >> 8) & 0xff; + + debug("boot_type %d, instance %d\n", boot_type, boot_instance); + + /* If not boot from sd/mmc, use default value */ + if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC)) + return env_get_ulong("mmcdev", 10, CONFIG_SYS_MMC_ENV_DEV); + + return board_mmc_get_env_dev(boot_instance); + +} +#endif + +#ifdef CONFIG_USB_PORT_AUTO +int board_usb_gadget_port_auto(void) +{ + enum boot_device bt_dev = get_boot_device(); + int usb_boot_index = 0; + + if (bt_dev == USB2_BOOT) + usb_boot_index = 1; + + printf("auto usb %d\n", usb_boot_index); + + return usb_boot_index; +} +#endif + u32 get_cpu_rev(void) { return (MXC_CPU_IMX93 << 12) | CHIP_REV_1_0; |