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arm: iMX8ULP: Add boot device relevant functions

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Read from ROM API to get current boot device.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li
2021-08-07 16:01:01 +08:00
committed by Stefano Babic
parent a7990a88b9
commit 619412ab54
2 changed files with 85 additions and 0 deletions
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1
arch/arm/include/asm/arch-imx8ulp/sys_proto.h
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@@ -15,4 +15,5 @@ ulong spl_romapi_get_uboot_base(u32 image_offset, u32 rom_bt_dev);
enum bt_mode get_boot_mode(void);
int xrdc_config_pdac(u32 bridge, u32 index, u32 dom, u32 perm);
int xrdc_config_pdac_openacc(u32 bridge, u32 index);
enum boot_device get_boot_device(void);
#endif

84
arch/arm/mach-imx/imx8ulp/soc.c
View File

@@ -9,6 +9,7 @@
#include <asm/arch/sys_proto.h>
#include <asm/armv8/mmu.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/global_data.h>
#include <efi_loader.h>
#include <spl.h>
#include <asm/arch/rdc.h>
@@ -27,6 +28,89 @@ 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 = USB_BOOT;
break;
default:
break;
}
return boot_dev;
}
bool is_usb_boot(void)
{
return get_boot_device() == USB_BOOT;
}
#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;
/* 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
u32 get_cpu_rev(void)
{
return (MXC_CPU_IMX8ULP << 12) | CHIP_REV_1_0;