[U-Boot] [PATCH 2/5] arch: arm: omap: Declare size of ddr very early

Ravi Babu ravibabu at ti.com
Tue Apr 18 11:57:24 UTC 2017


From: Lokesh Vutla <lokeshvutla at ti.com>

Declare the size of ddr very early in spl, so that this can be
used to enable cache.

Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
Signed-off-by: Ravi Babu <ravibabu at ti.com>
---
 arch/arm/mach-omap2/am33xx/board.c  | 4 ++++
 arch/arm/mach-omap2/hwinit-common.c | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/mach-omap2/am33xx/board.c b/arch/arm/mach-omap2/am33xx/board.c
index 2bfc864..568f36f 100644
--- a/arch/arm/mach-omap2/am33xx/board.c
+++ b/arch/arm/mach-omap2/am33xx/board.c
@@ -327,6 +327,10 @@ void board_init_f(ulong dummy)
 	early_system_init();
 	board_early_init_f();
 	sdram_init();
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size(
+			(void *)CONFIG_SYS_SDRAM_BASE,
+			CONFIG_MAX_RAM_BANK_SIZE);
 }
 #endif
 
diff --git a/arch/arm/mach-omap2/hwinit-common.c b/arch/arm/mach-omap2/hwinit-common.c
index f317293..cac3274 100644
--- a/arch/arm/mach-omap2/hwinit-common.c
+++ b/arch/arm/mach-omap2/hwinit-common.c
@@ -171,6 +171,7 @@ void board_init_f(ulong dummy)
 #endif
 	/* For regular u-boot sdram_init() is called from dram_init() */
 	sdram_init();
+	gd->ram_size = omap_sdram_size();
 }
 #endif
 
-- 
1.9.1



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