From: Yen Lin yelin@nvidia.com
Save SDRAM parameters into the warmboot scratch registers
Signed-off-by: Simon Glass sjg@chromium.org --- arch/arm/cpu/armv7/tegra2/ap20.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/tegra2/ap20.c b/arch/arm/cpu/armv7/tegra2/ap20.c index 311e93f..c0943eb 100644 --- a/arch/arm/cpu/armv7/tegra2/ap20.c +++ b/arch/arm/cpu/armv7/tegra2/ap20.c @@ -30,6 +30,7 @@ #include <asm/arch/pmc.h> #include <asm/arch/pinmux.h> #include <asm/arch/scu.h> +#include <asm/arch/warmboot.h> #include <common.h>
int tegra_get_chip_type(void) @@ -310,6 +311,11 @@ void init_pmc_scratch(void)
/* ODMDATA is for kernel use to determine RAM size, LP config, etc. */ writel(CONFIG_SYS_BOARD_ODMDATA, &pmc->pmc_scratch20); + +#ifdef CONFIG_TEGRA2_LP0 + /* save Sdram params to PMC 2, 4, and 24 for WB0 */ + warmboot_save_sdram_params(); +#endif }
void tegra2_start(void)