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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>
This commit is contained in:
Jonathan A. Kollasch 2012-07-10 10:14:17 -05:00 committed by Patrick Georgi
parent 21856eec59
commit 25962837ba
2 changed files with 16 additions and 1 deletions
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1
src/include/device/pci_ids.h
View File

@ -1525,6 +1525,7 @@
#define PCI_DEVICE_ID_RICOH_RL5C475 0x0475
#define PCI_DEVICE_ID_RICOH_RL5C476 0x0476
#define PCI_DEVICE_ID_RICOH_RL5C478 0x0478
#define PCI_DEVICE_ID_RICOH_R5C822 0x0822
#define PCI_VENDOR_ID_ARTOP 0x1191
#define PCI_DEVICE_ID_ARTOP_ATP8400 0x0004

16
src/mainboard/lenovo/x60/mainboard.c
View File

@ -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;