diff options
| -rw-r--r-- | chipset_enable.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/chipset_enable.c b/chipset_enable.c index b181b934..1191a4c1 100644 --- a/chipset_enable.c +++ b/chipset_enable.c @@ -584,8 +584,23 @@ static int enable_flash_poulsbo(struct pci_dev *dev, const char *name) return enable_flash_ich_fwh(dev, CHIPSET_POULSBO, 0xd8); } -static void enable_flash_ich_handle_gcs(struct pci_dev *dev, enum ich_chipset ich_generation, uint32_t gcs, bool top_swap) +static void enable_flash_ich_report_gcs(struct pci_dev *const dev, const enum ich_chipset ich_generation, + const uint8_t *const rcrb) { + uint32_t gcs; + bool top_swap; + + switch (ich_generation) { + case CHIPSET_BAYTRAIL: + gcs = mmio_readl(rcrb + 0); + top_swap = (gcs & 2) >> 1; + break; + default: + gcs = mmio_readl(rcrb + 0x3410); + top_swap = mmio_readb(rcrb + 0x3414) & 1; + break; + } + msg_pdbg("GCS = 0x%x: ", gcs); msg_pdbg("BIOS Interface Lock-Down: %sabled, ", (gcs & 0x1) ? "en" : "dis"); @@ -673,7 +688,7 @@ static int enable_flash_ich_spi(struct pci_dev *dev, enum ich_chipset ich_genera if (rcrb == ERROR_PTR) return ERROR_FATAL; - enable_flash_ich_handle_gcs(dev, ich_generation, mmio_readl(rcrb + 0x3410), mmio_readb(rcrb + 0x3414)); + enable_flash_ich_report_gcs(dev, ich_generation, rcrb); /* Handle FWH-related parameters and initialization */ int ret_fwh = enable_flash_ich_fwh(dev, ich_generation, bios_cntl); @@ -803,8 +818,7 @@ static int enable_flash_silvermont(struct pci_dev *dev, const char *name) /* Handle GCS (in RCRB) */ void *rcrb = physmap("BYT RCRB", rcba, 4); - uint32_t gcs = mmio_readl(rcrb + 0); - enable_flash_ich_handle_gcs(dev, ich_generation, gcs, gcs & 0x2); + enable_flash_ich_report_gcs(dev, ich_generation, rcrb); physunmap(rcrb, 4); /* Handle fwh_idsel parameter */ |