diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0067-southbridge-amd-sb700-Fix-SATA-port-4-5-drive-detect.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0067-southbridge-amd-sb700-Fix-SATA-port-4-5-drive-detect.patch | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0067-southbridge-amd-sb700-Fix-SATA-port-4-5-drive-detect.patch b/resources/libreboot/patch/kgpe-d16/0067-southbridge-amd-sb700-Fix-SATA-port-4-5-drive-detect.patch new file mode 100644 index 00000000..64663549 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0067-southbridge-amd-sb700-Fix-SATA-port-4-5-drive-detect.patch @@ -0,0 +1,97 @@ +From 0785e1c4b21ee56c6265df7b6c7f95ad94a43fbb Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Mon, 22 Jun 2015 02:56:10 -0500 +Subject: [PATCH 067/139] southbridge/amd/sb700: Fix SATA port 4/5 drive + detection + +Change-Id: I01481f25189d01b6f4ed778902b2ecc4d39c7912 +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/southbridge/amd/sb700/sata.c | 42 ++++++++++++++++++++++++++++++++++++---- + 1 file changed, 38 insertions(+), 4 deletions(-) + +diff --git a/src/southbridge/amd/sb700/sata.c b/src/southbridge/amd/sb700/sata.c +index ce242c1..dc64082 100644 +--- a/src/southbridge/amd/sb700/sata.c ++++ b/src/southbridge/amd/sb700/sata.c +@@ -126,6 +126,8 @@ static void sata_init(struct device *dev) + uint8_t port_count; + uint8_t max_port_count; + uint8_t hba_reset_count; ++ uint8_t ide_io_enabled; ++ uint8_t ide_legacy_io_enabled; + + sata_ahci_mode = 0; + if (get_option(&nvram, "sata_ahci_mode") == CB_SUCCESS) +@@ -170,15 +172,27 @@ retry_init: + } + } + +- /* Disable combined mode */ ++ /* Enable combined mode */ + byte = pci_read_config8(sm_dev, 0xad); +- byte &= ~(1 << 3); ++ byte |= (1 << 3); + pci_write_config8(sm_dev, 0xad, byte); + + device_t ide_dev; + /* IDE Device */ + ide_dev = dev_find_slot(0, PCI_DEVFN(0x14, 1)); + ++ /* Disable legacy IDE mode (enable PATA_BAR0/2) */ ++ byte = pci_read_config8(ide_dev, 0x09); ++ ide_legacy_io_enabled = !(byte & 0x1); ++ byte |= 0x1; ++ pci_write_config8(ide_dev, 0x09, byte); ++ ++ /* Enable IDE I/O access (enable PATA_BAR0/2) */ ++ byte = pci_read_config8(ide_dev, 0x04); ++ ide_io_enabled = byte & 0x1; ++ byte |= 0x1; ++ pci_write_config8(ide_dev, 0x04, byte); ++ + /* RPR 7.2 SATA Initialization */ + /* Set the interrupt Mapping to INTG# */ + byte = pci_read_config8(sm_dev, 0xaf); +@@ -425,7 +439,8 @@ retry_init: + + /* Disable SATA controller */ + byte = pci_read_config8(sm_dev, 0xad); +- byte &= ~(0x1); ++ byte &= ~(1 << 0); ++ byte &= ~(1 << 3); + pci_write_config8(sm_dev, 0xad, byte); + + mdelay(100); +@@ -460,8 +475,27 @@ retry_init: + } + } + ++ /* Restore IDE I/O access */ ++ if (!ide_io_enabled) { ++ byte = pci_read_config8(ide_dev, 0x04); ++ byte &= ~0x1; ++ pci_write_config8(ide_dev, 0x04, byte); ++ } ++ ++ /* Re-enable legacy IDE mode */ ++ if (ide_legacy_io_enabled) { ++ byte = pci_read_config8(ide_dev, 0x09); ++ byte &= ~0x1; ++ pci_write_config8(ide_dev, 0x09, byte); ++ } ++ + /* Below is CIM InitSataLateFar */ +- if (!sata_ahci_mode) { ++ if (sata_ahci_mode) { ++ /* Disable combined mode */ ++ byte = pci_read_config8(sm_dev, 0xad); ++ byte &= ~(1 << 3); ++ pci_write_config8(sm_dev, 0xad, byte); ++ } else { + /* Enable interrupts from the HBA */ + byte = read8(sata_bar5 + 0x4); + byte |= 1 << 1; +-- +1.9.1 + |