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authorAngel Pons <th3fanbus@gmail.com>2020-11-02 13:30:17 +0100
committerAngel Pons <th3fanbus@gmail.com>2020-12-11 11:30:14 +0000
commit30ff00650a7129475bf01ce9d258ac27b59c786b (patch)
treebfd8a550f020668debdbcbcaac9b247cd0896f8c /src/southbridge
parent32d0549a6b8f6030428ea9399209fcfbaad2670c (diff)
sb/intel/bd82x6x: Drop invalid SATA registers
Code was copy-pasted from older chips and has no effect on bd82x6x. Change-Id: I909158906c4dc8b6f0a16558c61f095ef425a776 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/47099 Reviewed-by: Frans Hendriks <fhendriks@eltan.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/intel/bd82x6x/pch.h40
-rw-r--r--src/southbridge/intel/bd82x6x/sata.c16
2 files changed, 2 insertions, 54 deletions
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index eff08581a0..151627d5dd 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -159,48 +159,8 @@ void early_usb_init(const struct southbridge_usb_port *portmap);
#define PCH_SATA2_DEV PCI_DEV(0, 0x1f, 5)
#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
#define IDE_DECODE_ENABLE (1 << 15)
-#define IDE_SITRE (1 << 14)
-#define IDE_ISP_5_CLOCKS (0 << 12)
-#define IDE_ISP_4_CLOCKS (1 << 12)
-#define IDE_ISP_3_CLOCKS (2 << 12)
-#define IDE_RCT_4_CLOCKS (0 << 8)
-#define IDE_RCT_3_CLOCKS (1 << 8)
-#define IDE_RCT_2_CLOCKS (2 << 8)
-#define IDE_RCT_1_CLOCKS (3 << 8)
-#define IDE_DTE1 (1 << 7)
-#define IDE_PPE1 (1 << 6)
-#define IDE_IE1 (1 << 5)
-#define IDE_TIME1 (1 << 4)
-#define IDE_DTE0 (1 << 3)
-#define IDE_PPE0 (1 << 2)
-#define IDE_IE0 (1 << 1)
-#define IDE_TIME0 (1 << 0)
#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
-#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
-#define IDE_SSDE1 (1 << 3)
-#define IDE_SSDE0 (1 << 2)
-#define IDE_PSDE1 (1 << 1)
-#define IDE_PSDE0 (1 << 0)
-
-#define IDE_SDMA_TIM 0x4a
-
-#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
-#define SIG_MODE_SEC_NORMAL (0 << 18)
-#define SIG_MODE_SEC_TRISTATE (1 << 18)
-#define SIG_MODE_SEC_DRIVELOW (2 << 18)
-#define SIG_MODE_PRI_NORMAL (0 << 16)
-#define SIG_MODE_PRI_TRISTATE (1 << 16)
-#define SIG_MODE_PRI_DRIVELOW (2 << 16)
-#define FAST_SCB1 (1 << 15)
-#define FAST_SCB0 (1 << 14)
-#define FAST_PCB1 (1 << 13)
-#define FAST_PCB0 (1 << 12)
-#define SCB1 (1 << 3)
-#define SCB0 (1 << 2)
-#define PCB1 (1 << 1)
-#define PCB0 (1 << 0)
-
#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */
#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */
#define SATA_SP 0xd0 /* Scratchpad */
diff --git a/src/southbridge/intel/bd82x6x/sata.c b/src/southbridge/intel/bd82x6x/sata.c
index de1be62031..ba402edf8b 100644
--- a/src/southbridge/intel/bd82x6x/sata.c
+++ b/src/southbridge/intel/bd82x6x/sata.c
@@ -117,20 +117,8 @@ static void sata_init(struct device *dev)
printk(BIOS_DEBUG, "SATA: Controller in AHCI mode.\n");
- /* Set timings */
- pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
- IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
- IDE_PPE0 | IDE_IE0 | IDE_TIME0);
- 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, IDE_PSDE0);
- pci_write_config16(dev, IDE_SDMA_TIM, 0x0001);
-
- /* Set IDE I/O Configuration */
- reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
- pci_write_config32(dev, IDE_CONFIG, reg32);
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE);
/* for AHCI, Port Enable is managed in memory mapped space */
reg16 = pci_read_config16(dev, 0x92);