[PATCH V2 18/53] imx: imx9: support romapi
Peng Fan (OSS)
peng.fan at oss.nxp.com
Tue Jul 26 10:40:48 CEST 2022
From: Peng Fan <peng.fan at nxp.com>
i.MX9 shares same ROM API with i.MX8ULP, so make the i.MX8ULP the function
prototype common and usable by i.MX9.
Also include mmc env functions that use ROM API.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm/include/asm/arch-imx8ulp/sys_proto.h | 4 --
arch/arm/include/asm/mach-imx/sys_proto.h | 4 ++
arch/arm/mach-imx/imx9/soc.c | 37 +++++++++++++++++++
3 files changed, 41 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
index 05859dfc2aa..a7869fbb573 100644
--- a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
+++ b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
@@ -8,10 +8,6 @@
#include <asm/mach-imx/sys_proto.h>
-extern unsigned long rom_pointer[];
-
-ulong spl_romapi_raw_seekable_read(u32 offset, u32 size, void *buf);
-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);
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index c094e23d420..dd0d3f29333 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -180,6 +180,10 @@ enum boot_dev_type_e {
#define ROM_API_OKAY 0xF0
extern struct rom_api *g_rom_api;
+extern unsigned long rom_pointer[];
+
+ulong spl_romapi_raw_seekable_read(u32 offset, u32 size, void *buf);
+ulong spl_romapi_get_uboot_base(u32 image_offset, u32 rom_bt_dev);
u32 rom_api_download_image(u8 *dest, u32 offset, u32 size);
u32 rom_api_query_boot_infor(u32 info_type, u32 *info);
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c
index 8b620832b5d..9ea2d51495b 100644
--- a/arch/arm/mach-imx/imx9/soc.c
+++ b/arch/arm/mach-imx/imx9/soc.c
@@ -29,6 +29,43 @@
DECLARE_GLOBAL_DATA_PTR;
+struct rom_api *g_rom_api = (struct rom_api *)0x1980;
+
+#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
+
u32 get_cpu_rev(void)
{
return (MXC_CPU_IMX93 << 12) | CHIP_REV_1_0;
--
2.36.0
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