Patrick Georgi has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/30822 )
Change subject: sb/intel/i82801gx: Detect if the southbridge supports AHCI ......................................................................
sb/intel/i82801gx: Detect if the southbridge supports AHCI
This automatically detects whether the southbridge supports AHCI. If AHCI support is selected it will be used unless "sata_no_ahci" is set in the devicetree to override the behavior.
Change-Id: I8d9f4e63ae8b2862c422938f3103c44e761bcda4 Signed-off-by: Arthur Heymans arthur@aheymans.xyz Reviewed-on: https://review.coreboot.org/c/coreboot/+/30822 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Nico Huber nico.h@gmx.de --- M src/mainboard/apple/macbook21/devicetree.cb M src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb M src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb M src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb M src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb M src/mainboard/asus/p5gc-mx/devicetree.cb M src/mainboard/asus/p5qpl-am/devicetree.cb M src/mainboard/foxconn/d41s/devicetree.cb M src/mainboard/foxconn/g41s-k/devicetree.cb M src/mainboard/getac/p470/devicetree.cb M src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb M src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb M src/mainboard/ibase/mb899/devicetree.cb M src/mainboard/intel/d510mo/devicetree.cb M src/mainboard/intel/d945gclf/devicetree.cb M src/mainboard/intel/dg41wv/devicetree.cb M src/mainboard/kontron/986lcd-m/devicetree.cb M src/mainboard/lenovo/t60/devicetree.cb M src/mainboard/lenovo/thinkcentre_a58/devicetree.cb M src/mainboard/lenovo/x60/devicetree.cb M src/mainboard/lenovo/z61t/devicetree.cb M src/mainboard/roda/rk886ex/devicetree.cb M src/southbridge/intel/i82801gx/chip.h M src/southbridge/intel/i82801gx/i82801gx.h M src/southbridge/intel/i82801gx/sata.c 25 files changed, 49 insertions(+), 35 deletions(-)
Approvals: build bot (Jenkins): Verified Nico Huber: Looks good to me, approved
diff --git a/src/mainboard/apple/macbook21/devicetree.cb b/src/mainboard/apple/macbook21/devicetree.cb index 9da3891..5ce28a2 100644 --- a/src/mainboard/apple/macbook21/devicetree.cb +++ b/src/mainboard/apple/macbook21/devicetree.cb @@ -64,7 +64,6 @@ register "gpi1_routing" = "2" register "gpi7_routing" = "2"
- register "sata_ahci" = "0x1" register "sata_ports_implemented" = "0x04"
register "gpe0_en" = "0x11000006" diff --git a/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb index 156fe3f..acb8ac6 100644 --- a/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb +++ b/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb @@ -51,7 +51,6 @@ register "gpi13_routing" = "2"
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "sata_ports_implemented" = "0x3" register "gpe0_en" = "0x440"
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb index ba2f00d..f4d1dc4 100644 --- a/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb +++ b/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb @@ -46,7 +46,6 @@ register "pirqh_routing" = "0x0b"
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "sata_ports_implemented" = "0x3" register "gpe0_en" = "0x440"
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb index 45a2014..2fd6e4f 100644 --- a/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb +++ b/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb @@ -44,7 +44,6 @@ register "pirqh_routing" = "0x0b"
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "sata_ports_implemented" = "0x3" register "gpe0_en" = "0x440"
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb index b458115..5479faf 100644 --- a/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb +++ b/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb @@ -46,7 +46,6 @@ register "pirqh_routing" = "0x0b"
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "gpe0_en" = "0x440"
device pci 1b.0 on # Audio diff --git a/src/mainboard/asus/p5gc-mx/devicetree.cb b/src/mainboard/asus/p5gc-mx/devicetree.cb index 2f7d278..de63da2 100644 --- a/src/mainboard/asus/p5gc-mx/devicetree.cb +++ b/src/mainboard/asus/p5gc-mx/devicetree.cb @@ -53,7 +53,6 @@ register "ide_legacy_combined" = "0x0" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0"
register "p_cnt_throttling_supported" = "0"
diff --git a/src/mainboard/asus/p5qpl-am/devicetree.cb b/src/mainboard/asus/p5qpl-am/devicetree.cb index 63ae8ce..bc023d2 100644 --- a/src/mainboard/asus/p5qpl-am/devicetree.cb +++ b/src/mainboard/asus/p5qpl-am/devicetree.cb @@ -43,7 +43,6 @@ # 2 SCI (if corresponding GPIO_EN bit is also set)
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "gpe0_en" = "0x04000440"
device pci 1b.0 on end # Audio diff --git a/src/mainboard/foxconn/d41s/devicetree.cb b/src/mainboard/foxconn/d41s/devicetree.cb index 75df88e..a611ee3 100644 --- a/src/mainboard/foxconn/d41s/devicetree.cb +++ b/src/mainboard/foxconn/d41s/devicetree.cb @@ -40,7 +40,6 @@ register "pirqf_routing" = "0x0b" register "pirqg_routing" = "0x0b" register "pirqh_routing" = "0x0b" - register "sata_ahci" = "0x1" register "sata_ports_implemented" = "0x3" register "gpe0_en" = "0x441"
diff --git a/src/mainboard/foxconn/g41s-k/devicetree.cb b/src/mainboard/foxconn/g41s-k/devicetree.cb index ca952ba..b196e24 100644 --- a/src/mainboard/foxconn/g41s-k/devicetree.cb +++ b/src/mainboard/foxconn/g41s-k/devicetree.cb @@ -47,7 +47,6 @@
register "ide_enable_primary" = "0x0" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0" # AHCI does not work register "sata_ports_implemented" = "0x3"
device pci 1b.0 on end # Audio diff --git a/src/mainboard/getac/p470/devicetree.cb b/src/mainboard/getac/p470/devicetree.cb index c0cad6a..c994553 100644 --- a/src/mainboard/getac/p470/devicetree.cb +++ b/src/mainboard/getac/p470/devicetree.cb @@ -57,7 +57,6 @@ register "ide_legacy_combined" = "0x1" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0"
register "c3_latency" = "85" register "docking_supported" = "1" diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb b/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb index 7ed4d19..1c69613 100644 --- a/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb +++ b/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb @@ -76,7 +76,6 @@ register "ide_legacy_combined" = "0x0" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0" register "c3_latency" = "85"
register "p_cnt_throttling_supported" = "0" diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb b/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb index 8b47c4f..d24eb5d 100644 --- a/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb +++ b/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb @@ -48,7 +48,6 @@ register "ide_legacy_combined" = "0x0" # Combined mode broken register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0" # AHCI does not work register "sata_ports_implemented" = "0x3" register "gpe0_en" = "0x40"
diff --git a/src/mainboard/ibase/mb899/devicetree.cb b/src/mainboard/ibase/mb899/devicetree.cb index f81a68b..0c5962f 100644 --- a/src/mainboard/ibase/mb899/devicetree.cb +++ b/src/mainboard/ibase/mb899/devicetree.cb @@ -36,7 +36,6 @@ register "ide_legacy_combined" = "0x0" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x1"
register "c3_latency" = "85" register "p_cnt_throttling_supported" = "0" diff --git a/src/mainboard/intel/d510mo/devicetree.cb b/src/mainboard/intel/d510mo/devicetree.cb index a008610..825611e 100644 --- a/src/mainboard/intel/d510mo/devicetree.cb +++ b/src/mainboard/intel/d510mo/devicetree.cb @@ -38,7 +38,6 @@ register "pirqf_routing" = "0x0b" register "pirqg_routing" = "0x0b" register "pirqh_routing" = "0x0b" - register "sata_ahci" = "0x1" register "sata_ports_implemented" = "0x3" register "gpe0_en" = "0x20000040"
diff --git a/src/mainboard/intel/d945gclf/devicetree.cb b/src/mainboard/intel/d945gclf/devicetree.cb index 716654c..573b9c8 100644 --- a/src/mainboard/intel/d945gclf/devicetree.cb +++ b/src/mainboard/intel/d945gclf/devicetree.cb @@ -50,7 +50,6 @@ register "ide_legacy_combined" = "0x0" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0" register "c3_latency" = "85" register "p_cnt_throttling_supported" = "0"
diff --git a/src/mainboard/intel/dg41wv/devicetree.cb b/src/mainboard/intel/dg41wv/devicetree.cb index be28763..295fbc4 100644 --- a/src/mainboard/intel/dg41wv/devicetree.cb +++ b/src/mainboard/intel/dg41wv/devicetree.cb @@ -63,7 +63,6 @@ register "gpi15_routing" = "2"
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "gpe0_en" = "0x440"
device pci 1b.0 on # Audio diff --git a/src/mainboard/kontron/986lcd-m/devicetree.cb b/src/mainboard/kontron/986lcd-m/devicetree.cb index 5e00109..cd7929c 100644 --- a/src/mainboard/kontron/986lcd-m/devicetree.cb +++ b/src/mainboard/kontron/986lcd-m/devicetree.cb @@ -36,7 +36,6 @@ register "ide_legacy_combined" = "0x1" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x1" - register "sata_ahci" = "0x0" register "c3_latency" = "85" register "p_cnt_throttling_supported" = "0"
diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb index b4c8fb8..28e0574 100644 --- a/src/mainboard/lenovo/t60/devicetree.cb +++ b/src/mainboard/lenovo/t60/devicetree.cb @@ -72,7 +72,6 @@ register "gpi12_routing" = "2" register "gpi8_routing" = "2"
- register "sata_ahci" = "0x1" register "sata_ports_implemented" = "0x01"
register "gpe0_en" = "0x11000006" diff --git a/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb b/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb index cc3ef49..ace2bfb 100644 --- a/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb +++ b/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb @@ -44,7 +44,6 @@ register "gpi13_routing" = "1" # ??vendor
register "ide_enable_primary" = "0x1" - register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant register "gpe0_en" = "0x440"
device pci 1b.0 on end # Audio diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb index 87cfa84..b3d87cc 100644 --- a/src/mainboard/lenovo/x60/devicetree.cb +++ b/src/mainboard/lenovo/x60/devicetree.cb @@ -65,7 +65,6 @@ register "gpi12_routing" = "1" register "gpi8_routing" = "2"
- register "sata_ahci" = "0x1" register "sata_ports_implemented" = "0x01"
register "gpe0_en" = "0x11000006" diff --git a/src/mainboard/lenovo/z61t/devicetree.cb b/src/mainboard/lenovo/z61t/devicetree.cb index 8519b31..d35c62b 100644 --- a/src/mainboard/lenovo/z61t/devicetree.cb +++ b/src/mainboard/lenovo/z61t/devicetree.cb @@ -71,7 +71,6 @@ register "gpi12_routing" = "2" register "gpi8_routing" = "2"
- register "sata_ahci" = "0x1" register "sata_ports_implemented" = "0x01"
register "gpe0_en" = "0x11000006" diff --git a/src/mainboard/roda/rk886ex/devicetree.cb b/src/mainboard/roda/rk886ex/devicetree.cb index 082a9e8..3ba9d2c 100644 --- a/src/mainboard/roda/rk886ex/devicetree.cb +++ b/src/mainboard/roda/rk886ex/devicetree.cb @@ -61,7 +61,6 @@ register "ide_legacy_combined" = "0x1" register "ide_enable_primary" = "0x1" register "ide_enable_secondary" = "0x0" - register "sata_ahci" = "0x0"
device pci 1b.0 off end # High Definition Audio device pci 1c.0 on end # PCIe port 1 diff --git a/src/southbridge/intel/i82801gx/chip.h b/src/southbridge/intel/i82801gx/chip.h index db27ef7..8909f50 100644 --- a/src/southbridge/intel/i82801gx/chip.h +++ b/src/southbridge/intel/i82801gx/chip.h @@ -18,6 +18,12 @@
#include <stdint.h>
+enum sata_mode { + SATA_MODE_AHCI = 0, + SATA_MODE_IDE_LEGACY_COMBINED, + SATA_MODE_IDE_PLAIN, +}; + struct southbridge_intel_i82801gx_config { /** * Interrupt Routing configuration @@ -65,7 +71,7 @@ uint32_t ide_legacy_combined; uint32_t ide_enable_primary; uint32_t ide_enable_secondary; - uint32_t sata_ahci; + enum sata_mode sata_mode; uint32_t sata_ports_implemented;
/* Enable linear PCIe Root Port function numbers starting at zero */ diff --git a/src/southbridge/intel/i82801gx/i82801gx.h b/src/southbridge/intel/i82801gx/i82801gx.h index e44fcf5..76420b4 100644 --- a/src/southbridge/intel/i82801gx/i82801gx.h +++ b/src/southbridge/intel/i82801gx/i82801gx.h @@ -82,6 +82,7 @@
#define FDVCT 0xe4 #define PCIE_4_PORTS_MAX (1 << 7) +#define AHCI_UNSUPPORTED (1 << 3)
/* GEN_PMCON_3 bits */ #define RTC_BATTERY_DEAD (1 << 2) diff --git a/src/southbridge/intel/i82801gx/sata.c b/src/southbridge/intel/i82801gx/sata.c index b657513..24dbf7c 100644 --- a/src/southbridge/intel/i82801gx/sata.c +++ b/src/southbridge/intel/i82801gx/sata.c @@ -51,18 +51,42 @@ void sata_enable(struct device *dev) { /* Get the chip configuration */ - config_t *config = dev->chip_info; + struct southbridge_intel_i82801gx_config *config = dev->chip_info;
- if (config->sata_ahci) { - /* Set map to ahci */ - pci_write_config8(dev, SATA_MAP, - (pci_read_config8(dev, SATA_MAP) & ~0xc3) | 0x40); - } else { - /* Set map to ide */ - pci_write_config8(dev, SATA_MAP, - pci_read_config8(dev, SATA_MAP) & ~0xc3); + if (config->sata_mode == SATA_MODE_AHCI) { + /* Check if the southbridge supports AHCI */ + struct device *lpc_dev = pcidev_on_root(31, 0); + if (!lpc_dev) { + /* According to the PCI spec function 0 on a bus:device + needs to be active for other functions to be enabled. + Since SATA is on the same bus:device as the LPC + bridge, it makes little sense to continue. */ + die("Couldn't find the LPC device!\n"); + } + + const bool ahci_supported = !(pci_read_config32(lpc_dev, FDVCT) + & AHCI_UNSUPPORTED); + + if (!ahci_supported) { + /* Fallback to IDE PLAIN for sata for the rest of the + initialization */ + config->sata_mode = SATA_MODE_IDE_PLAIN; + printk(BIOS_DEBUG, + "AHCI not supported, falling back to plain mode.\n"); + } + }
+ if (config->sata_mode == SATA_MODE_AHCI) { + /* Set map to ahci */ + pci_write_config8(dev, SATA_MAP, + (pci_read_config8(dev, SATA_MAP) + & ~0xc3) | 0x40); + } else { + /* Set map to ide */ + pci_write_config8(dev, SATA_MAP, + pci_read_config8(dev, SATA_MAP) & ~0xc3); + } /* At this point, the new pci id will appear on the bus */ }
@@ -89,7 +113,8 @@ /* Enable BARs */ pci_write_config16(dev, PCI_COMMAND, 0x0007);
- if (config->ide_legacy_combined) { + switch (config->sata_mode) { + case SATA_MODE_IDE_LEGACY_COMBINED: printk(BIOS_DEBUG, "SATA controller in combined mode.\n"); /* No AHCI: clear AHCI base */ pci_write_config32(dev, 0x24, 0x00000000); @@ -120,7 +145,8 @@
/* Restrict ports - 0 and 2 only available */ ports &= 0x5; - } else if (config->sata_ahci) { + break; + case SATA_MODE_AHCI: printk(BIOS_DEBUG, "SATA controller in AHCI mode.\n"); /* Allow both Legacy and Native mode */ pci_write_config8(dev, 0x09, 0x8f); @@ -131,7 +157,9 @@
ahci_bar = (u32 *)(pci_read_config32(dev, 0x27) & ~0x3ff); ahci_bar[3] = config->sata_ports_implemented; - } else { + break; + default: + case SATA_MODE_IDE_PLAIN: printk(BIOS_DEBUG, "SATA controller in plain mode.\n"); /* Set Sata Controller Mode. No Mapping(?) */ pci_write_config8(dev, SATA_MAP, 0x00); @@ -168,6 +196,7 @@ /* Set IDE I/O Configuration */ reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; pci_write_config32(dev, IDE_CONFIG, reg32); + break; }
/* Set port control */