diff options
Diffstat (limited to 'core/pci-quirk.c')
| -rw-r--r-- | core/pci-quirk.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/core/pci-quirk.c b/core/pci-quirk.c index 7ed6b79..3a85836 100644 --- a/core/pci-quirk.c +++ b/core/pci-quirk.c @@ -14,9 +14,12 @@ * limitations under the License. */ +#define pr_fmt(fmt) "PCI-QUIRK: " fmt + #include <skiboot.h> #include <pci.h> #include <pci-quirk.h> +#include <platform.h> #include <ast.h> static void quirk_astbmc_vga(struct phb *phb __unused, @@ -25,10 +28,20 @@ static void quirk_astbmc_vga(struct phb *phb __unused, struct dt_node *np = pd->dn; uint32_t revision, mcr_configuration, mcr_scu_mpll, mcr_scu_strap; - revision = ast_ahb_readl(SCU_REVISION_ID); - mcr_configuration = ast_ahb_readl(MCR_CONFIGURATION); - mcr_scu_mpll = ast_ahb_readl(MCR_SCU_MPLL); - mcr_scu_strap = ast_ahb_readl(MCR_SCU_STRAP); + if (ast_sio_is_enabled()) { + revision = ast_ahb_readl(SCU_REVISION_ID); + mcr_configuration = ast_ahb_readl(MCR_CONFIGURATION); + mcr_scu_mpll = ast_ahb_readl(MCR_SCU_MPLL); + mcr_scu_strap = ast_ahb_readl(MCR_SCU_STRAP); + } else { + prlog(PR_WARNING, "Assumed platform default parameters for %s\n", + __func__); + revision = bmc_platform->hw->scu_revision_id; + mcr_configuration = bmc_platform->hw->mcr_configuration; + mcr_scu_mpll = bmc_platform->hw->mcr_scu_mpll; + mcr_scu_strap = bmc_platform->hw->mcr_scu_strap; + } + dt_add_property_cells(np, "aspeed,scu-revision-id", revision); dt_add_property_cells(np, "aspeed,mcr-configuration", mcr_configuration); dt_add_property_cells(np, "aspeed,mcr-scu-mpll", mcr_scu_mpll); |