diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0066-src-southbridge-amd-sb700-Reset-SATA-controller-in-A.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0066-src-southbridge-amd-sb700-Reset-SATA-controller-in-A.patch | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0066-src-southbridge-amd-sb700-Reset-SATA-controller-in-A.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0066-src-southbridge-amd-sb700-Reset-SATA-controller-in-A.patch deleted file mode 100644 index b414899..0000000 --- a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0066-src-southbridge-amd-sb700-Reset-SATA-controller-in-A.patch +++ /dev/null @@ -1,96 +0,0 @@ -From f2d97b4ed0b0594b8983dbe4d551aca7f9e6a32e Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Sun, 21 Jun 2015 16:27:03 -0500 -Subject: [PATCH 066/143] src/southbridge/amd/sb700: Reset SATA controller in - AHCI mode during startup - -In AHCI mode SeaBIOS randomly fails to detect disks (AHCI timeouts), -with the probability of a failure increasing with the number of disks -connected to the controller. Resetting the SATA controller appears to -show the true state of the underlying hardware, allowing the drive -detection code to attempt link renegotiation as needed. - -Change-Id: Ib1f7c5f830a0cdba41cb6f5b05d759adee5ce369 -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/southbridge/amd/sb700/sata.c | 47 ++++++++++++++++++++++++++++---------- - 1 file changed, 35 insertions(+), 12 deletions(-) - -diff --git a/src/southbridge/amd/sb700/sata.c b/src/southbridge/amd/sb700/sata.c -index 24f78dd..d51baa1 100644 ---- a/src/southbridge/amd/sb700/sata.c -+++ b/src/southbridge/amd/sb700/sata.c -@@ -135,6 +135,8 @@ static void sata_init(struct device *dev) - /* get rev_id */ - rev_id = pci_read_config8(sm_dev, 0x08) - 0x28; - -+ printk(BIOS_SPEW, "rev_id=%x\n", rev_id); -+ - if (sata_ahci_mode) { - /* Enable link latency enhancement on A14 and above */ - if (rev_id >= 0x14) { -@@ -245,6 +247,27 @@ static void sata_init(struct device *dev) - write32(sata_bar5 + 0xfc, dword); - } - -+ if (sata_ahci_mode) { -+ /* FIXME -+ * SeaBIOS does not know how to spin -+ * up the drives and therefore hangs -+ * in AHCI init if this is enabled... -+ */ -+ /* Enable staggered spin-up */ -+ dword = read32(sata_bar5 + 0x00); -+#if 0 -+ dword |= 0x1 << 27; -+#else -+ dword &= ~(0x1 << 27); -+#endif -+ write32(sata_bar5 + 0x00, dword); -+ -+ /* Reset the HBA to avoid stuck drives in SeaBIOS */ -+ dword = read32(sata_bar5 + 0x04); -+ dword |= 0x1; -+ write32(sata_bar5 + 0x04, dword); -+ } -+ - /* Write protect Sub-Class Code */ - byte = pci_read_config8(dev, 0x40); - byte &= ~(1 << 0); -@@ -371,21 +394,21 @@ static void sata_init(struct device *dev) - } - - /* Below is CIM InitSataLateFar */ -- /* Enable interrupts from the HBA */ -- byte = read8(sata_bar5 + 0x4); -- byte |= 1 << 1; -- write8((sata_bar5 + 0x4), byte); -- - if (!sata_ahci_mode) { -- /* Clear error status */ -- write32((sata_bar5 + 0x130), 0xFFFFFFFF); -- write32((sata_bar5 + 0x1b0), 0xFFFFFFFF); -- write32((sata_bar5 + 0x230), 0xFFFFFFFF); -- write32((sata_bar5 + 0x2b0), 0xFFFFFFFF); -- write32((sata_bar5 + 0x330), 0xFFFFFFFF); -- write32((sata_bar5 + 0x3b0), 0xFFFFFFFF); -+ /* Enable interrupts from the HBA */ -+ byte = read8(sata_bar5 + 0x4); -+ byte |= 1 << 1; -+ write8((sata_bar5 + 0x4), byte); - } - -+ /* Clear error status */ -+ write32((sata_bar5 + 0x130), 0xFFFFFFFF); -+ write32((sata_bar5 + 0x1b0), 0xFFFFFFFF); -+ write32((sata_bar5 + 0x230), 0xFFFFFFFF); -+ write32((sata_bar5 + 0x2b0), 0xFFFFFFFF); -+ write32((sata_bar5 + 0x330), 0xFFFFFFFF); -+ write32((sata_bar5 + 0x3b0), 0xFFFFFFFF); -+ - /* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */ - /* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */ - --- -1.7.9.5 - |