arm: total_compute: Initialize environment variables

Initialize the environment variables 'fdt_addr_r' and 'kernel_addr_r'
during the misc init phase. The static configurations are not needed,
remove them.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>

arch/arm/Kconfig

@@ -1391,6 +1391,7 @@ config TARGET_TOTAL_COMPUTE
 	select DM_MMC
 	select DM_GPIO
 	imply OF_HAS_PRIOR_STAGE
+	imply MISC_INIT_R
 
 config TARGET_LS2080A_EMU
 	bool "Support ls2080a_emu"

board/armltd/total_compute/total_compute.c

@@ -8,6 +8,8 @@
 #include <dm.h>
 #include <dm/platform_data/serial_pl01x.h>
 #include <env.h>
+#include <linux/sizes.h>
+
 #include <asm/armv8/mmu.h>
 #include <asm/global_data.h>
 #include <asm/system.h>
@@ -51,6 +53,27 @@ void *board_fdt_blob_setup(int *err)
 	return (void *)fw_dtb_pointer;
 }
 
+int misc_init_r(void)
+{
+	size_t base;
+
+	if (!env_get("fdt_addr_r"))
+		env_set_hex("fdt_addr_r", fw_dtb_pointer);
+
+	if (!env_get("kernel_addr_r")) {
+		/*
+		 * The kernel has to be 2M aligned and the first 64K at the
+		 * start of SDRAM is reserved for DTB.
+		 */
+		base = gd->ram_base + SZ_2M;
+		assert(IS_ALIGNED(base, SZ_2M));
+
+		env_set_hex("kernel_addr_r", base);
+	}
+
+	return 0;
+}
+
 int board_init(void)
 {
 	return 0;

include/configs/total_compute.h

@@ -14,9 +14,7 @@
 #define CFG_EXTRA_ENV_SETTINGS	\
 				"bootm_size=0x20000000\0"	\
 				"load_addr=0xa0000000\0"	\
-				"kernel_addr_r=0x80080000\0"	\
+				"initrd_addr_r=0x88000000\0"
-				"initrd_addr_r=0x88000000\0"	\
-				"fdt_addr_r=0x83000000\0"
 /*
  * If vbmeta partition is present, boot Android with verification using AVB.
  * Else if system partition is present (no vbmeta partition), boot Android