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Diffstat (limited to 'arch/arm/mach-imx/romapi.c')
-rw-r--r--arch/arm/mach-imx/romapi.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/romapi.c b/arch/arm/mach-imx/romapi.c
new file mode 100644
index 0000000000..c8accdb04d
--- /dev/null
+++ b/arch/arm/mach-imx/romapi.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <asm/global_data.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-imx/boot_mode.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 rom_api_download_image(u8 *dest, u32 offset, u32 size)
+{
+ u32 xor = (uintptr_t)dest ^ offset ^ size;
+ volatile gd_t *sgd = gd;
+ u32 ret;
+
+ ret = g_rom_api->download_image(dest, offset, size, xor);
+ set_gd(sgd);
+
+ return ret;
+}
+
+u32 rom_api_query_boot_infor(u32 info_type, u32 *info)
+{
+ u32 xor = info_type ^ (uintptr_t)info;
+ volatile gd_t *sgd = gd;
+ u32 ret;
+
+ ret = g_rom_api->query_boot_infor(info_type, info, xor);
+ set_gd(sgd);
+
+ return ret;
+}
+
+extern struct rom_api *g_rom_api;
+
+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;
+ }
+
+ return boot_dev;
+}