uniphier: extend boot device detection for future SoCs
The next SoC will have:
- No boot swap
- SD boot
- No USB boot
Add new fields to handle this.
Change-Id: I772395f2c5dfc612e575b0cbd0657a5fa9611c25
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/plat/socionext/uniphier/uniphier.h b/plat/socionext/uniphier/uniphier.h
index 729dc5c..9deb316 100644
--- a/plat/socionext/uniphier/uniphier.h
+++ b/plat/socionext/uniphier/uniphier.h
@@ -25,7 +25,8 @@
#define UNIPHIER_BOOT_DEVICE_EMMC 0
#define UNIPHIER_BOOT_DEVICE_NAND 1
#define UNIPHIER_BOOT_DEVICE_NOR 2
-#define UNIPHIER_BOOT_DEVICE_USB 3
+#define UNIPHIER_BOOT_DEVICE_SD 3
+#define UNIPHIER_BOOT_DEVICE_USB 4
#define UNIPHIER_BOOT_DEVICE_RSV 0xffffffff
unsigned int uniphier_get_boot_master(unsigned int soc);
diff --git a/plat/socionext/uniphier/uniphier_boot_device.c b/plat/socionext/uniphier/uniphier_boot_device.c
index ce9caa9..517ec96 100644
--- a/plat/socionext/uniphier/uniphier_boot_device.c
+++ b/plat/socionext/uniphier/uniphier_boot_device.c
@@ -106,20 +106,25 @@
}
struct uniphier_boot_device_info {
+ bool have_boot_swap;
+ bool (*is_sd_boot)(uint32_t pinmon);
bool (*is_usb_boot)(uint32_t pinmon);
unsigned int (*get_boot_device)(uint32_t pinmon);
};
static const struct uniphier_boot_device_info uniphier_boot_device_info[] = {
[UNIPHIER_SOC_LD11] = {
+ .have_boot_swap = true,
.is_usb_boot = uniphier_ld11_is_usb_boot,
.get_boot_device = uniphier_ld11_get_boot_device,
},
[UNIPHIER_SOC_LD20] = {
+ .have_boot_swap = true,
.is_usb_boot = uniphier_ld20_is_usb_boot,
.get_boot_device = uniphier_ld11_get_boot_device,
},
[UNIPHIER_SOC_PXS3] = {
+ .have_boot_swap = true,
.is_usb_boot = uniphier_pxs3_is_usb_boot,
.get_boot_device = uniphier_pxs3_get_boot_device,
},
@@ -135,10 +140,13 @@
pinmon = mmio_read_32(UNIPHIER_PINMON0);
- if (!(pinmon & BIT(29)))
+ if (info->have_boot_swap && !(pinmon & BIT(29)))
return UNIPHIER_BOOT_DEVICE_NOR;
- if (info->is_usb_boot(pinmon))
+ if (info->is_sd_boot && info->is_sd_boot(pinmon))
+ return UNIPHIER_BOOT_DEVICE_SD;
+
+ if (info->is_usb_boot && info->is_usb_boot(pinmon))
return UNIPHIER_BOOT_DEVICE_USB;
return info->get_boot_device(pinmon);