Merge tag 'v2022.01-rc4' into next

[platform/kernel/u-boot.git] / board / raspberrypi / rpi / rpi.c

diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 74697ba..17b8108 100644 (file)
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -72,7 +72,7 @@ struct msg_get_clock_rate {
 #endif
 
 /*
- * https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
+ * https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#raspberry-pi-revision-codes
  */
 struct rpi_model {
        const char *name;
@@ -157,6 +157,11 @@ static const struct rpi_model rpi_models_new_scheme[] = {
                DTB_DIR "bcm2711-rpi-4-b.dtb",
                true,
        },
+       [0x12] = {
+               "Zero 2 W",
+               DTB_DIR "bcm2837-rpi-zero-2.dtb",
+               false,
+       },
        [0x13] = {
                "400",
                DTB_DIR "bcm2711-rpi-400.dtb",
@@ -488,21 +493,24 @@ int board_init(void)
 /*
  * If the firmware passed a device tree use it for U-Boot.
  */
-void *board_fdt_blob_setup(void)
+void *board_fdt_blob_setup(int *err)
 {
-       if (fdt_magic(fw_dtb_pointer) != FDT_MAGIC)
+       *err = 0;
+       if (fdt_magic(fw_dtb_pointer) != FDT_MAGIC) {
+               *err = -ENXIO;
                return NULL;
+       }
+
        return (void *)fw_dtb_pointer;
 }
 
 int ft_board_setup(void *blob, struct bd_info *bd)
 {
-       /*
-        * For now, we simply always add the simplefb DT node. Later, we
-        * should be more intelligent, and e.g. only do this if no enabled DT
-        * node exists for the "real" graphics driver.
-        */
-       lcd_dt_simplefb_add_node(blob);
+       int node;
+
+       node = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer");
+       if (node < 0)
+               fdt_simplefb_add_node(blob);
 
 #ifdef CONFIG_EFI_LOADER
        /* Reserve the spin table */