mach-snapdragon: Enhance android image handling memory footprint

In order to unzipped kernel from androidboot img, extra memory for
loadaddr is needed. So once fastboot is enabled fastboot memory also
share with loadaddr.

That can balance with memory constrain soc and android usecase.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: George Chan <gchan9527@gmail.com>
Link: https://lore.kernel.org/r/20250518-android-boot-v3-3-02c8768e131f@gmail.com
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>

diff --git a/arch/arm/mach-snapdragon/board.c b/arch/arm/mach-snapdragon/board.c
index 5547d6d..fe29f2e 100644 (file)
--- a/arch/arm/mach-snapdragon/board.c
+++ b/arch/arm/mach-snapdragon/board.c
@@ -508,8 +508,12 @@ int board_late_init(void)
        status |= env_set_hex("ramdisk_addr_r", addr_alloc(SZ_128M));
        status |= env_set_hex("kernel_comp_addr_r", addr_alloc(KERNEL_COMP_SIZE));
        status |= env_set_hex("kernel_comp_size", KERNEL_COMP_SIZE);
-       if (IS_ENABLED(CONFIG_FASTBOOT))
-               status |= env_set_hex("fastboot_addr_r", addr_alloc(FASTBOOT_BUF_SIZE));
+       if (IS_ENABLED(CONFIG_FASTBOOT)) {
+               addr = addr_alloc(FASTBOOT_BUF_SIZE);
+               status |= env_set_hex("fastboot_addr_r", addr);
+               /* override loadaddr for memory rich soc */
+               status |= env_set_hex("loadaddr", addr);
+       }
        status |= env_set_hex("scriptaddr", addr_alloc(SZ_4M));
        status |= env_set_hex("pxefile_addr_r", addr_alloc(SZ_4M));
        addr = addr_alloc(SZ_2M);