From patchwork Mon Apr 2 23:18:56 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,v3,16/23] tegra: Setup PMC scratch info from ap20 setup Date: Mon, 02 Apr 2012 13:18:56 -0000 From: Simon Glass X-Patchwork-Id: 150294 Message-Id: <1333408743-28720-17-git-send-email-sjg@chromium.org> To: U-Boot Mailing List Cc: Stephen Warren , Tom Warren From: Yen Lin Save SDRAM parameters into the warmboot scratch registers Signed-off-by: Simon Glass Signed-off-by: Yen Lin --- 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 150fbfd..698bfd0 100644 --- a/arch/arm/cpu/armv7/tegra2/ap20.c +++ b/arch/arm/cpu/armv7/tegra2/ap20.c @@ -31,6 +31,7 @@ #include #include #include +#include #include int tegra_get_chip_type(void) @@ -322,6 +323,11 @@ 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)