imx8mn: add get_boot_device

No ROM INFO structure on iMX8MN, use new ROM API to get boot device from ROM. Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx8mn: add get_boot_device
No ROM INFO structure on iMX8MN, use new ROM API to get boot device from ROM. Signed-off-by: Peng Fan <peng.fan@nxp.com>
Peng Fan · Stefano Babic
1 parent b890c4aede
Showing 1 changed file with 48 additions and 0 deletions Side-by-side Diff
arch/arm/mach-imx/imx8m/soc.c
@@ -283,6 +283,54 @@
 	return 0;
 }
  
+#if defined(CONFIG_IMX8MN) || defined(CONFIG_IMX8MP)
+struct rom_api *g_rom_api = (struct rom_api *)0x980;
+
+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);
+	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;
+}
+#endif
+
 bool is_usb_boot(void)
 {
 	return get_boot_device() == USB_BOOT;
...	...	@@ -283,6 +283,54 @@
283	283	return 0;
284	284	}
285	285
	286	+#if defined(CONFIG_IMX8MN) \|\| defined(CONFIG_IMX8MP)
	287	+struct rom_api g_rom_api = (struct rom_api )0x980;
	288	+
	289	+enum boot_device get_boot_device(void)
	290	+{
	291	+ volatile gd_t *pgd = gd;
	292	+ int ret;
	293	+ u32 boot;
	294	+ u16 boot_type;
	295	+ u8 boot_instance;
	296	+ enum boot_device boot_dev = SD1_BOOT;
	297	+
	298	+ ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot,
	299	+ ((uintptr_t)&boot) ^ QUERY_BT_DEV);
	300	+ gd = pgd;
	301	+
	302	+ if (ret != ROM_API_OKAY) {
	303	+ puts("ROMAPI: failure at query_boot_info\n");
	304	+ return -1;
	305	+ }
	306	+
	307	+ boot_type = boot >> 16;
	308	+ boot_instance = (boot >> 8) & 0xff;
	309	+
	310	+ switch (boot_type) {
	311	+ case BT_DEV_TYPE_SD:
	312	+ boot_dev = boot_instance + SD1_BOOT;
	313	+ break;
	314	+ case BT_DEV_TYPE_MMC:
	315	+ boot_dev = boot_instance + MMC1_BOOT;
	316	+ break;
	317	+ case BT_DEV_TYPE_NAND:
	318	+ boot_dev = NAND_BOOT;
	319	+ break;
	320	+ case BT_DEV_TYPE_FLEXSPINOR:
	321	+ boot_dev = QSPI_BOOT;
	322	+ break;
	323	+ case BT_DEV_TYPE_USB:
	324	+ boot_dev = USB_BOOT;
	325	+ break;
	326	+ default:
	327	+ break;
	328	+ }
	329	+
	330	+ return boot_dev;
	331	+}
	332	+#endif
	333	+
286	334	bool is_usb_boot(void)
287	335	{
288	336	return get_boot_device() == USB_BOOT;