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| author | Jonathan A. Kollasch <jakllsch@kollasch.net> | 2012-07-10 10:14:17 -0500 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-07-12 08:16:17 +0200 |
| commit | 25962837baaa18c58635cd4eb82bba49a89b003b (patch) | |
| tree | 6da8b85d15791ab878765df3fbd1cd7f4b2f52ac /src/mainboard/lenovo/x60/mainboard.c | |
| parent | 21856eec594c076d5c848b1c716baffaeded3af2 (diff) | |
| download | coreboot-25962837baaa18c58635cd4eb82bba49a89b003b.tar.xz | |
Lenovo X60: correct SDHCI write protect polarity
Change-Id: I916deffe2c692042f7e54c936902e77770ee69df
Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
Reviewed-on: http://review.coreboot.org/1205
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/lenovo/x60/mainboard.c')
| -rw-r--r-- | src/mainboard/lenovo/x60/mainboard.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/x60/mainboard.c b/src/mainboard/lenovo/x60/mainboard.c index b45342a38e..453cf38119 100644 --- a/src/mainboard/lenovo/x60/mainboard.c +++ b/src/mainboard/lenovo/x60/mainboard.c @@ -29,6 +29,7 @@ #include "chip.h" #include <device/pci_def.h> #include <device/pci_ops.h> +#include <device/pci_ids.h> #include <arch/io.h> #include <ec/lenovo/pmh7/pmh7.h> #include <ec/acpi/ec.h> @@ -52,7 +53,7 @@ int get_cst_entries(acpi_cstate_t **entries) static void mainboard_enable(device_t dev) { - device_t dev0, idedev; + device_t dev0, idedev, sdhci_dev; u8 defaults_loaded = 0; ec_clr_bit(0x03, 2); @@ -79,6 +80,19 @@ static void mainboard_enable(device_t dev) ec_write(0x0c, 0x04); } + /* Set SDHCI write protect polarity "SDWPPol" */ + sdhci_dev = dev_find_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C822, 0); + if (sdhci_dev) { + if (pci_read_config8(sdhci_dev, 0xfa) != 0x20) { + /* unlock */ + pci_write_config8(sdhci_dev, 0xf9, 0xfc); + /* set SDWPPol, keep CLKRUNDis, SDPWRPol clear */ + pci_write_config8(sdhci_dev, 0xfa, 0x20); + /* restore lock */ + pci_write_config8(sdhci_dev, 0xf9, 0x00); + } + } + if (get_option(&defaults_loaded, "cmos_defaults_loaded") < 0) { printk(BIOS_INFO, "failed to get cmos_defaults_loaded"); defaults_loaded = 0; |