diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2017-03-29 12:31:13 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-04-06 07:39:04 +0300 |
| commit | c79505c1f9e14d7aa9eb3b085c799d77950b1e20 (patch) | |
| tree | c7ce4cd8c6c7ea7b5ce88a4af1da78fe5af45d00 /drivers/gpu/drm/nouveau/nvkm/subdev/secboot | |
| parent | 008796d9a35f217d7f3672acd1d97ef77a5e05ff (diff) | |
| download | linux-c79505c1f9e14d7aa9eb3b085c799d77950b1e20.tar.xz | |
drm/nouveau/secboot/gm20b: specify MC base address as argument
Allow the MC base address to be specified as an argument for the WPR
region reading function. GP10B uses a different address layout as GM20B,
so this is necessary. Also export the function to be used by GP10B.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/secboot')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c | 17 |
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.h b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.h index 6dc9fc384f24..c8ab3d76bdef 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.h @@ -41,4 +41,7 @@ void *gm200_secboot_dtor(struct nvkm_secboot *); int gm200_secboot_run_blob(struct nvkm_secboot *, struct nvkm_gpuobj *, struct nvkm_falcon *); +/* Tegra-only */ +int gm20b_secboot_tegra_read_wpr(struct gm200_secboot *, u32); + #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c index 29e6f73dfd7e..b10ed59a4911 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c @@ -23,28 +23,29 @@ #include "acr.h" #include "gm200.h" +#define TEGRA210_MC_BASE 0x70019000 + #ifdef CONFIG_ARCH_TEGRA -#define TEGRA_MC_BASE 0x70019000 #define MC_SECURITY_CARVEOUT2_CFG0 0xc58 #define MC_SECURITY_CARVEOUT2_BOM_0 0xc5c #define MC_SECURITY_CARVEOUT2_BOM_HI_0 0xc60 #define MC_SECURITY_CARVEOUT2_SIZE_128K 0xc64 #define TEGRA_MC_SECURITY_CARVEOUT_CFG_LOCKED (1 << 1) /** - * sb_tegra_read_wpr() - read the WPR registers on Tegra + * gm20b_secboot_tegra_read_wpr() - read the WPR registers on Tegra * * On dGPU, we can manage the WPR region ourselves, but on Tegra the WPR region * is reserved from system memory by the bootloader and irreversibly locked. * This function reads the address and size of the pre-configured WPR region. */ -static int -gm20b_tegra_read_wpr(struct gm200_secboot *gsb) +int +gm20b_secboot_tegra_read_wpr(struct gm200_secboot *gsb, u32 mc_base) { struct nvkm_secboot *sb = &gsb->base; void __iomem *mc; u32 cfg; - mc = ioremap(TEGRA_MC_BASE, 0xd00); + mc = ioremap(mc_base, 0xd00); if (!mc) { nvkm_error(&sb->subdev, "Cannot map Tegra MC registers\n"); return PTR_ERR(mc); @@ -70,8 +71,8 @@ gm20b_tegra_read_wpr(struct gm200_secboot *gsb) return 0; } #else -static int -gm20b_tegra_read_wpr(struct gm200_secboot *gsb) +int +gm20b_secboot_tegra_read_wpr(struct gm200_secboot *gsb, u32 mc_base) { nvkm_error(&gsb->base.subdev, "Tegra support not compiled in\n"); return -EINVAL; @@ -84,7 +85,7 @@ gm20b_secboot_oneinit(struct nvkm_secboot *sb) struct gm200_secboot *gsb = gm200_secboot(sb); int ret; - ret = gm20b_tegra_read_wpr(gsb); + ret = gm20b_secboot_tegra_read_wpr(gsb, TEGRA210_MC_BASE); if (ret) return ret; |