diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c index 29e6f73dfd7e..30491d132d59 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c @@ -23,31 +23,32 @@ #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); + return -ENOMEM; } sb->wpr_addr = ioread32_native(mc + MC_SECURITY_CARVEOUT2_BOM_0) | ((u64)ioread32_native(mc + MC_SECURITY_CARVEOUT2_BOM_HI_0) << 32); @@ -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; |