23 Jun
2014
23 Jun
'14
8:44 p.m.
On 06/23/2014 01:20 AM, Alexandre Courbot wrote:
From: Bryan Wu pengw@nvidia.com
On Tegra114 and Tegra124 platforms, certain display-related registers cannot be accessed unless the VPR registers are programmed. For bootloader, we probably don't care about VPR, so we disable it (which counts as programming it, and allows those display-related registers to be accessed.
This patch is based on the commit 5f499646c83ba08079f3fdff6591f638a0ce4c0c in Chromium OS U-Boot project.
diff --git a/arch/arm/cpu/tegra-common/vpr.c b/arch/arm/cpu/tegra-common/vpr.c
+void config_vpr(void) +{
- struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE;
- /* VPR is only in T114 and T124 */
- switch (tegra_get_chip()) {
- case CHIPID_TEGRA114:
- case CHIPID_TEGRA124:
You can drop the switch() and call to tegra_get_chip() since this is all done at compile-time now.
Other than that, Reviewed-by: Stephen Warren swarren@nvidia.com