diff options
Diffstat (limited to 'board')
-rw-r--r-- | board/xilinx/microblaze-generic/microblaze-generic.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c index 4e038ddf0c..30be0150f3 100644 --- a/board/xilinx/microblaze-generic/microblaze-generic.c +++ b/board/xilinx/microblaze-generic/microblaze-generic.c @@ -21,6 +21,7 @@ #include <asm/gpio.h> #include <dm/uclass.h> #include <wdt.h> +#include <linux/sizes.h> DECLARE_GLOBAL_DATA_PTR; @@ -39,6 +40,8 @@ int dram_init(void) int board_late_init(void) { + ulong max_size, lowmem_size; + #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SYSRESET_MICROBLAZE) int ret; @@ -47,5 +50,21 @@ int board_late_init(void) if (ret) printf("Warning: No reset driver: ret=%d\n", ret); #endif + + if (!(gd->flags & GD_FLG_ENV_DEFAULT)) { + debug("Saved variables - Skipping\n"); + return 0; + } + + max_size = gd->start_addr_sp - CONFIG_STACK_SIZE; + max_size = round_down(max_size, SZ_16M); + + /* Linux default LOWMEM_SIZE is 0x30000000 = 768MB */ + lowmem_size = gd->ram_base + 768 * 1024 * 1024; + + env_set_addr("initrd_high", (void *)min_t(ulong, max_size, + lowmem_size)); + env_set_addr("fdt_high", (void *)min_t(ulong, max_size, lowmem_size)); + return 0; } |