You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.8 KiB
76 lines
2.8 KiB
From bdecfcdb5461834aab24002bb18d3cbdd907b7fb Mon Sep 17 00:00:00 2001
|
|
From: Huang Rui <ray.huang@amd.com>
|
|
Date: Mon, 23 Nov 2015 18:07:35 +0800
|
|
Subject: [PATCH] sp5100_tco: fix the device check for SB800 and later chipsets
|
|
|
|
For SB800 and later chipsets, the register definitions are the same
|
|
with SB800. And for SB700 and older chipsets, the definitions should
|
|
be same with SP5100/SB7x0.
|
|
|
|
Signed-off-by: Huang Rui <ray.huang@amd.com>
|
|
Cc: Denis Turischev <denis.turischev@compulab.co.il>
|
|
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
|
|
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
|
|
---
|
|
drivers/watchdog/sp5100_tco.c | 28 ++++++++++++++++------------
|
|
1 file changed, 16 insertions(+), 12 deletions(-)
|
|
|
|
--- a/drivers/watchdog/sp5100_tco.c
|
|
+++ b/drivers/watchdog/sp5100_tco.c
|
|
@@ -335,21 +335,24 @@ static unsigned char sp5100_tco_setupdev
|
|
if (!sp5100_tco_pci)
|
|
return 0;
|
|
|
|
- pr_info("PCI Revision ID: 0x%x\n", sp5100_tco_pci->revision);
|
|
+ pr_info("PCI Vendor ID: 0x%x, Device ID: 0x%x, Revision ID: 0x%x\n",
|
|
+ sp5100_tco_pci->vendor, sp5100_tco_pci->device,
|
|
+ sp5100_tco_pci->revision);
|
|
|
|
/*
|
|
* Determine type of southbridge chipset.
|
|
*/
|
|
- if (sp5100_tco_pci->revision >= 0x40) {
|
|
- dev_name = SB800_DEVNAME;
|
|
- index_reg = SB800_IO_PM_INDEX_REG;
|
|
- data_reg = SB800_IO_PM_DATA_REG;
|
|
- base_addr = SB800_PM_WATCHDOG_BASE;
|
|
- } else {
|
|
+ if (sp5100_tco_pci->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS &&
|
|
+ sp5100_tco_pci->revision < 0x40) {
|
|
dev_name = SP5100_DEVNAME;
|
|
index_reg = SP5100_IO_PM_INDEX_REG;
|
|
data_reg = SP5100_IO_PM_DATA_REG;
|
|
base_addr = SP5100_PM_WATCHDOG_BASE;
|
|
+ } else {
|
|
+ dev_name = SB800_DEVNAME;
|
|
+ index_reg = SB800_IO_PM_INDEX_REG;
|
|
+ data_reg = SB800_IO_PM_DATA_REG;
|
|
+ base_addr = SB800_PM_WATCHDOG_BASE;
|
|
}
|
|
|
|
/* Request the IO ports used by this driver */
|
|
@@ -385,7 +388,12 @@ static unsigned char sp5100_tco_setupdev
|
|
* Secondly, Find the watchdog timer MMIO address
|
|
* from SBResource_MMIO register.
|
|
*/
|
|
- if (sp5100_tco_pci->revision >= 0x40) {
|
|
+ if (sp5100_tco_pci->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS &&
|
|
+ sp5100_tco_pci->revision < 0x40) {
|
|
+ /* Read SBResource_MMIO from PCI config(PCI_Reg: 9Ch) */
|
|
+ pci_read_config_dword(sp5100_tco_pci,
|
|
+ SP5100_SB_RESOURCE_MMIO_BASE, &val);
|
|
+ } else {
|
|
/* Read SBResource_MMIO from AcpiMmioEn(PM_Reg: 24h) */
|
|
outb(SB800_PM_ACPI_MMIO_EN+3, SB800_IO_PM_INDEX_REG);
|
|
val = inb(SB800_IO_PM_DATA_REG);
|
|
@@ -395,10 +403,6 @@ static unsigned char sp5100_tco_setupdev
|
|
val = val << 8 | inb(SB800_IO_PM_DATA_REG);
|
|
outb(SB800_PM_ACPI_MMIO_EN+0, SB800_IO_PM_INDEX_REG);
|
|
val = val << 8 | inb(SB800_IO_PM_DATA_REG);
|
|
- } else {
|
|
- /* Read SBResource_MMIO from PCI config(PCI_Reg: 9Ch) */
|
|
- pci_read_config_dword(sp5100_tco_pci,
|
|
- SP5100_SB_RESOURCE_MMIO_BASE, &val);
|
|
}
|
|
|
|
/* The SBResource_MMIO is enabled and mapped memory space? */
|
|
|