From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
This patch updates the ram_base to store the start address of the first bank DRAM and the use this ram_base to calculate ram_top properly. This patch fixes the erroneous calculation of ram_top incase of non zero ram start address.
Signed-off-by: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com Reviewed-by: Tom Rini trini@konsulko.com
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Changes in v5: - Add Tom's tag - https://lists.denx.de/pipermail/u-boot/2018-June/332810.html
Changes in v4: - Rebased on latest master and used available ram_base
Changes in v3: - Used new varibale ram_start - Rename fdtdec_setup_memory_size
Changes in v2: None
common/board_f.c | 4 ++-- lib/fdtdec.c | 1 + 2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/board_f.c b/common/board_f.c index e943347ce3df..88d770071c38 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -281,9 +281,9 @@ static int setup_dest_addr(void) gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; #endif #ifdef CONFIG_SYS_SDRAM_BASE - gd->ram_top = CONFIG_SYS_SDRAM_BASE; + gd->ram_base = CONFIG_SYS_SDRAM_BASE; #endif - gd->ram_top += get_effective_memsize(); + gd->ram_top = gd->ram_base + get_effective_memsize(); gd->ram_top = board_get_usable_ram_top(gd->mon_len); gd->relocaddr = gd->ram_top; debug("Ram top: %08lX\n", (ulong)gd->ram_top); diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 1b0c430945a9..66dff0f906b7 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1173,6 +1173,7 @@ int fdtdec_setup_memory_size(void) }
gd->ram_size = (phys_size_t)(res.end - res.start + 1); + gd->ram_base = (unsigned long)res.start; debug("%s: Initial DRAM size %llx\n", __func__, (unsigned long long)gd->ram_size);