diff options
Diffstat (limited to 'src/southbridge/intel/ibexpeak')
-rw-r--r-- | src/southbridge/intel/ibexpeak/sata.c | 52 |
1 files changed, 14 insertions, 38 deletions
diff --git a/src/southbridge/intel/ibexpeak/sata.c b/src/southbridge/intel/ibexpeak/sata.c index d30fae22ef..078dc8e024 100644 --- a/src/southbridge/intel/ibexpeak/sata.c +++ b/src/southbridge/intel/ibexpeak/sata.c @@ -25,6 +25,7 @@ #include <device/pci.h> #include <device/pci_ids.h> #include "pch.h" +#include <pc80/mc146818rtc.h> typedef struct southbridge_intel_ibexpeak_config config_t; @@ -46,6 +47,7 @@ static void sata_init(struct device *dev) u16 reg16; /* Get the chip configuration */ config_t *config = dev->chip_info; + u8 sata_mode; printk(BIOS_DEBUG, "SATA: Initializing...\n"); @@ -54,48 +56,17 @@ static void sata_init(struct device *dev) return; } + if (get_option(&sata_mode, "sata_mode") != CB_SUCCESS) + /* Default to AHCI */ + sata_mode = 0; + /* SATA configuration */ /* Enable BARs */ pci_write_config16(dev, PCI_COMMAND, 0x0007); - if (config->ide_legacy_combined) { - printk(BIOS_DEBUG, "SATA: Controller in combined mode.\n"); - - /* No AHCI: clear AHCI base */ - pci_write_config32(dev, 0x24, 0x00000000); - /* And without AHCI BAR no memory decoding */ - reg16 = pci_read_config16(dev, PCI_COMMAND); - reg16 &= ~PCI_COMMAND_MEMORY; - pci_write_config16(dev, PCI_COMMAND, reg16); - - pci_write_config8(dev, 0x09, 0x80); - - /* Set timings */ - pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | - IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS); - pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | - IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS); - - /* Sync DMA */ - pci_write_config16(dev, IDE_SDMA_CNT, 0); - pci_write_config16(dev, IDE_SDMA_TIM, 0); - - /* Set IDE I/O Configuration */ - reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; - pci_write_config32(dev, IDE_CONFIG, reg32); - - /* Port enable */ - reg16 = pci_read_config16(dev, 0x92); - reg16 &= ~0x3f; - reg16 |= config->sata_port_map; - pci_write_config16(dev, 0x92, reg16); - - /* SATA Initialization register */ - pci_write_config32(dev, 0x94, - ((config-> - sata_port_map ^ 0x3f) << 24) | 0x183); - } else if (config->sata_ahci) { + if (sata_mode == 0) { + /* AHCI */ u32 abar; printk(BIOS_DEBUG, "SATA: Controller in AHCI mode.\n"); @@ -158,6 +129,7 @@ static void sata_init(struct device *dev) reg32 &= ~0x00000005; write32(abar + 0xa0, reg32); } else { + /* IDE */ printk(BIOS_DEBUG, "SATA: Controller in plain mode.\n"); /* No AHCI: clear AHCI base */ @@ -245,15 +217,19 @@ static void sata_enable(device_t dev) /* Get the chip configuration */ config_t *config = dev->chip_info; u16 map = 0; + u8 sata_mode; if (!config) return; + if (get_option(&sata_mode, "sata_mode") != CB_SUCCESS) + sata_mode = 0; + /* * Set SATA controller mode early so the resource allocator can * properly assign IO/Memory resources for the controller. */ - if (config->sata_ahci) + if (sata_mode == 0) map = 0x0060; map |= (config->sata_port_map ^ 0x3f) << 8; |