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imx: i.MX7ULP: add get_boot_device

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Add get_boot_device for i.MX7ULP

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Tested-by: Fabio Estevam <festevam@gmail.com>
This commit is contained in:
Peng Fan 2019-07-22 01:24:37 +00:00 committed by Stefano Babic
parent b1f955cb4d
commit e92fca66a3
3 changed files with 41 additions and 0 deletions
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13
arch/arm/include/asm/arch-mx7ulp/imx-regs.h
View file

@ -10,6 +10,8 @@
#define ARCH_MXC
#define ROM_SW_INFO_ADDR 0x000001E8
#define CAAM_SEC_SRAM_BASE (0x26000000)
#define CAAM_SEC_SRAM_SIZE (SZ_32K)
#define CAAM_SEC_SRAM_END (CAAM_SEC_SRAM_BASE + CAAM_SEC_SRAM_SIZE - 1)
@ -1112,6 +1114,17 @@ struct usbphy_regs {
u32 usb1_pfda_ctrl1_tog; /* 0x14c */
};
struct bootrom_sw_info {
u8 reserved_1;
u8 boot_dev_instance;
u8 boot_dev_type;
u8 reserved_2;
u32 core_freq;
u32 axi_freq;
u32 ddr_freq;
u32 rom_tick_freq;
u32 reserved_3[3];
};
#define is_boot_from_usb(void) (!(readl(USB_PHY0_BASE_ADDR) & (1<<20)))
#define disconnect_from_pc(void) writel(0x0, USBOTG0_RBASE + 0x140)

1
arch/arm/include/asm/arch-mx7ulp/sys_proto.h
View file

@ -17,4 +17,5 @@ enum bt_mode {
SINGLE_BOOT /* LP_BT = 0, DUAL_BT = 0 */
};
enum boot_device get_boot_device(void);
#endif

27
arch/arm/mach-imx/mx7ulp/soc.c
View file

@ -6,6 +6,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/hab.h>
static char *get_reset_cause(char *);
@ -244,3 +245,29 @@ int mmc_get_env_dev(void)
return board_mmc_get_env_dev(devno);
}
#endif
enum boot_device get_boot_device(void)
{
struct bootrom_sw_info **p =
(struct bootrom_sw_info **)ROM_SW_INFO_ADDR;
enum boot_device boot_dev = SD1_BOOT;
u8 boot_type = (*p)->boot_dev_type;
u8 boot_instance = (*p)->boot_dev_instance;
switch (boot_type) {
case BOOT_TYPE_SD:
boot_dev = boot_instance + SD1_BOOT;
break;
case BOOT_TYPE_MMC:
boot_dev = boot_instance + MMC1_BOOT;
break;
case BOOT_TYPE_USB:
boot_dev = USB_BOOT;
break;
default:
break;
}
return boot_dev;
}