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-rw-r--r--drivers/watchdog/Kconfig1
-rw-r--r--drivers/watchdog/iTCO_vendor.h6
-rw-r--r--drivers/watchdog/iTCO_vendor_support.c43
-rw-r--r--drivers/watchdog/iTCO_wdt.c529
4 files changed, 134 insertions, 445 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index a18bf6358eb..d92d7488be1 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -565,6 +565,7 @@ config INTEL_SCU_WATCHDOG
config ITCO_WDT
tristate "Intel TCO Timer/Watchdog"
depends on (X86 || IA64) && PCI
+ select LPC_ICH
---help---
Hardware driver for the intel TCO timer based watchdog devices.
These drivers are included in the Intel 82801 I/O Controller
diff --git a/drivers/watchdog/iTCO_vendor.h b/drivers/watchdog/iTCO_vendor.h
index 9e27e6422f6..3c57b45537a 100644
--- a/drivers/watchdog/iTCO_vendor.h
+++ b/drivers/watchdog/iTCO_vendor.h
@@ -1,8 +1,8 @@
/* iTCO Vendor Specific Support hooks */
#ifdef CONFIG_ITCO_VENDOR_SUPPORT
-extern void iTCO_vendor_pre_start(unsigned long, unsigned int);
-extern void iTCO_vendor_pre_stop(unsigned long);
-extern void iTCO_vendor_pre_keepalive(unsigned long, unsigned int);
+extern void iTCO_vendor_pre_start(struct resource *, unsigned int);
+extern void iTCO_vendor_pre_stop(struct resource *);
+extern void iTCO_vendor_pre_keepalive(struct resource *, unsigned int);
extern void iTCO_vendor_pre_set_heartbeat(unsigned int);
extern int iTCO_vendor_check_noreboot_on(void);
#else
diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c
index 2721d29ce24..b6b2f90b5d4 100644
--- a/drivers/watchdog/iTCO_vendor_support.c
+++ b/drivers/watchdog/iTCO_vendor_support.c
@@ -35,11 +35,6 @@
#include "iTCO_vendor.h"
-/* iTCO defines */
-#define SMI_EN (acpibase + 0x30) /* SMI Control and Enable Register */
-#define TCOBASE (acpibase + 0x60) /* TCO base address */
-#define TCO1_STS (TCOBASE + 0x04) /* TCO1 Status Register */
-
/* List of vendor support modes */
/* SuperMicro Pentium 3 Era 370SSE+-OEM1/P3TSSE */
#define SUPERMICRO_OLD_BOARD 1
@@ -82,24 +77,24 @@ MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default="
* 20.6 seconds.
*/
-static void supermicro_old_pre_start(unsigned long acpibase)
+static void supermicro_old_pre_start(struct resource *smires)
{
unsigned long val32;
/* Bit 13: TCO_EN -> 0 = Disables TCO logic generating an SMI# */
- val32 = inl(SMI_EN);
+ val32 = inl(smires->start);
val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */
- outl(val32, SMI_EN); /* Needed to activate watchdog */
+ outl(val32, smires->start); /* Needed to activate watchdog */
}
-static void supermicro_old_pre_stop(unsigned long acpibase)
+static void supermicro_old_pre_stop(struct resource *smires)
{
unsigned long val32;
/* Bit 13: TCO_EN -> 1 = Enables the TCO logic to generate SMI# */
- val32 = inl(SMI_EN);
+ val32 = inl(smires->start);
val32 |= 0x00002000; /* Turn on SMI clearing watchdog */
- outl(val32, SMI_EN); /* Needed to deactivate watchdog */
+ outl(val32, smires->start); /* Needed to deactivate watchdog */
}
/*
@@ -270,66 +265,66 @@ static void supermicro_new_pre_set_heartbeat(unsigned int heartbeat)
* Don't use this fix if you don't need to!!!
*/
-static void broken_bios_start(unsigned long acpibase)
+static void broken_bios_start(struct resource *smires)
{
unsigned long val32;
- val32 = inl(SMI_EN);
+ val32 = inl(smires->start);
/* Bit 13: TCO_EN -> 0 = Disables TCO logic generating an SMI#
Bit 0: GBL_SMI_EN -> 0 = No SMI# will be generated by ICH. */
val32 &= 0xffffdffe;
- outl(val32, SMI_EN);
+ outl(val32, smires->start);
}
-static void broken_bios_stop(unsigned long acpibase)
+static void broken_bios_stop(struct resource *smires)
{
unsigned long val32;
- val32 = inl(SMI_EN);
+ val32 = inl(smires->start);
/* Bit 13: TCO_EN -> 1 = Enables TCO logic generating an SMI#
Bit 0: GBL_SMI_EN -> 1 = Turn global SMI on again. */
val32 |= 0x00002001;
- outl(val32, SMI_EN);
+ outl(val32, smires->start);
}
/*
* Generic Support Functions
*/
-void iTCO_vendor_pre_start(unsigned long acpibase,
+void iTCO_vendor_pre_start(struct resource *smires,
unsigned int heartbeat)
{
switch (vendorsupport) {
case SUPERMICRO_OLD_BOARD:
- supermicro_old_pre_start(acpibase);
+ supermicro_old_pre_start(smires);
break;
case SUPERMICRO_NEW_BOARD:
supermicro_new_pre_start(heartbeat);
break;
case BROKEN_BIOS:
- broken_bios_start(acpibase);
+ broken_bios_start(smires);
break;
}
}
EXPORT_SYMBOL(iTCO_vendor_pre_start);
-void iTCO_vendor_pre_stop(unsigned long acpibase)
+void iTCO_vendor_pre_stop(struct resource *smires)
{
switch (vendorsupport) {
case SUPERMICRO_OLD_BOARD:
- supermicro_old_pre_stop(acpibase);
+ supermicro_old_pre_stop(smires);
break;
case SUPERMICRO_NEW_BOARD:
supermicro_new_pre_stop();
break;
case BROKEN_BIOS:
- broken_bios_stop(acpibase);
+ broken_bios_stop(smires);
break;
}
}
EXPORT_SYMBOL(iTCO_vendor_pre_stop);
-void iTCO_vendor_pre_keepalive(unsigned long acpibase, unsigned int heartbeat)
+void iTCO_vendor_pre_keepalive(struct resource *smires, unsigned int heartbeat)
{
if (vendorsupport == SUPERMICRO_NEW_BOARD)
supermicro_new_pre_set_heartbeat(heartbeat);
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 9fecb95645a..741528b032e 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -66,316 +66,16 @@
#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
#include <linux/io.h> /* For inb/outb/... */
+#include <linux/mfd/core.h>
+#include <linux/mfd/lpc_ich.h>
#include "iTCO_vendor.h"
-/* TCO related info */
-enum iTCO_chipsets {
- TCO_ICH = 0, /* ICH */
- TCO_ICH0, /* ICH0 */
- TCO_ICH2, /* ICH2 */
- TCO_ICH2M, /* ICH2-M */
- TCO_ICH3, /* ICH3-S */
- TCO_ICH3M, /* ICH3-M */
- TCO_ICH4, /* ICH4 */
- TCO_ICH4M, /* ICH4-M */
- TCO_CICH, /* C-ICH */
- TCO_ICH5, /* ICH5 & ICH5R */
- TCO_6300ESB, /* 6300ESB */
- TCO_ICH6, /* ICH6 & ICH6R */
- TCO_ICH6M, /* ICH6-M */
- TCO_ICH6W, /* ICH6W & ICH6RW */
- TCO_631XESB, /* 631xESB/632xESB */
- TCO_ICH7, /* ICH7 & ICH7R */
- TCO_ICH7DH, /* ICH7DH */
- TCO_ICH7M, /* ICH7-M & ICH7-U */
- TCO_ICH7MDH, /* ICH7-M DH */
- TCO_NM10, /* NM10 */
- TCO_ICH8, /* ICH8 & ICH8R */
- TCO_ICH8DH, /* ICH8DH */
- TCO_ICH8DO, /* ICH8DO */
- TCO_ICH8M, /* ICH8M */
- TCO_ICH8ME, /* ICH8M-E */
- TCO_ICH9, /* ICH9 */
- TCO_ICH9R, /* ICH9R */
- TCO_ICH9DH, /* ICH9DH */
- TCO_ICH9DO, /* ICH9DO */
- TCO_ICH9M, /* ICH9M */
- TCO_ICH9ME, /* ICH9M-E */
- TCO_ICH10, /* ICH10 */
- TCO_ICH10R, /* ICH10R */
- TCO_ICH10D, /* ICH10D */
- TCO_ICH10DO, /* ICH10DO */
- TCO_PCH, /* PCH Desktop Full Featured */
- TCO_PCHM, /* PCH Mobile Full Featured */
- TCO_P55, /* P55 */
- TCO_PM55, /* PM55 */
- TCO_H55, /* H55 */
- TCO_QM57, /* QM57 */
- TCO_H57, /* H57 */
- TCO_HM55, /* HM55 */
- TCO_Q57, /* Q57 */
- TCO_HM57, /* HM57 */
- TCO_PCHMSFF, /* PCH Mobile SFF Full Featured */
- TCO_QS57, /* QS57 */
- TCO_3400, /* 3400 */
- TCO_3420, /* 3420 */
- TCO_3450, /* 3450 */
- TCO_EP80579, /* EP80579 */
- TCO_CPT, /* Cougar Point */
- TCO_CPTD, /* Cougar Point Desktop */
- TCO_CPTM, /* Cougar Point Mobile */
- TCO_PBG, /* Patsburg */
- TCO_DH89XXCC, /* DH89xxCC */
- TCO_PPT, /* Panther Point */
- TCO_LPT, /* Lynx Point */
-};
-
-static struct {
- char *name;
- unsigned int iTCO_version;
-} iTCO_chipset_info[] __devinitdata = {
- {"ICH", 1},
- {"ICH0", 1},
- {"ICH2", 1},
- {"ICH2-M", 1},
- {"ICH3-S", 1},
- {"ICH3-M", 1},
- {"ICH4", 1},
- {"ICH4-M", 1},
- {"C-ICH", 1},
- {"ICH5 or ICH5R", 1},
- {"6300ESB", 1},
- {"ICH6 or ICH6R", 2},
- {"ICH6-M", 2},
- {"ICH6W or ICH6RW", 2},
- {"631xESB/632xESB", 2},
- {"ICH7 or ICH7R", 2},
- {"ICH7DH", 2},
- {"ICH7-M or ICH7-U", 2},
- {"ICH7-M DH", 2},
- {"NM10", 2},
- {"ICH8 or ICH8R", 2},
- {"ICH8DH", 2},
- {"ICH8DO", 2},
- {"ICH8M", 2},
- {"ICH8M-E", 2},
- {"ICH9", 2},
- {"ICH9R", 2},
- {"ICH9DH", 2},
- {"ICH9DO", 2},
- {"ICH9M", 2},
- {"ICH9M-E", 2},
- {"ICH10", 2},
- {"ICH10R", 2},
- {"ICH10D", 2},
- {"ICH10DO", 2},
- {"PCH Desktop Full Featured", 2},
- {"PCH Mobile Full Featured", 2},
- {"P55", 2},
- {"PM55", 2},
- {"H55", 2},
- {"QM57", 2},
- {"H57", 2},
- {"HM55", 2},
- {"Q57", 2},
- {"HM57", 2},
- {"PCH Mobile SFF Full Featured", 2},
- {"QS57", 2},
- {"3400", 2},
- {"3420", 2},
- {"3450", 2},
- {"EP80579", 2},
- {"Cougar Point", 2},
- {"Cougar Point Desktop", 2},
- {"Cougar Point Mobile", 2},
- {"Patsburg", 2},
- {"DH89xxCC", 2},
- {"Panther Point", 2},
- {"Lynx Point", 2},
- {NULL, 0}
-};
-
-/*
- * This data only exists for exporting the supported PCI ids
- * via MODULE_DEVICE_TABLE. We do not actually register a
- * pci_driver, because the I/O Controller Hub has also other
- * functions that probably will be registered by other drivers.
- */
-static DEFINE_PCI_DEVICE_TABLE(iTCO_wdt_pci_tbl) = {
- { PCI_VDEVICE(INTEL, 0x2410), TCO_ICH},
- { PCI_VDEVICE(INTEL, 0x2420), TCO_ICH0},
- { PCI_VDEVICE(INTEL, 0x2440), TCO_ICH2},
- { PCI_VDEVICE(INTEL, 0x244c), TCO_ICH2M},
- { PCI_VDEVICE(INTEL, 0x2480), TCO_ICH3},
- { PCI_VDEVICE(INTEL, 0x248c), TCO_ICH3M},
- { PCI_VDEVICE(INTEL, 0x24c0), TCO_ICH4},
- { PCI_VDEVICE(INTEL, 0x24cc), TCO_ICH4M},
- { PCI_VDEVICE(INTEL, 0x2450), TCO_CICH},
- { PCI_VDEVICE(INTEL, 0x24d0), TCO_ICH5},
- { PCI_VDEVICE(INTEL, 0x25a1), TCO_6300ESB},
- { PCI_VDEVICE(INTEL, 0x2640), TCO_ICH6},
- { PCI_VDEVICE(INTEL, 0x2641), TCO_ICH6M},
- { PCI_VDEVICE(INTEL, 0x2642), TCO_ICH6W},
- { PCI_VDEVICE(INTEL, 0x2670), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2671), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2672), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2673), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2674), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2675), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2676), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2677), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2678), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x2679), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x267a), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x267b), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x267c), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x267d), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x267e), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x267f), TCO_631XESB},
- { PCI_VDEVICE(INTEL, 0x27b8), TCO_ICH7},
- { PCI_VDEVICE(INTEL, 0x27b0), TCO_ICH7DH},
- { PCI_VDEVICE(INTEL, 0x27b9), TCO_ICH7M},
- { PCI_VDEVICE(INTEL, 0x27bd), TCO_ICH7MDH},
- { PCI_VDEVICE(INTEL, 0x27bc), TCO_NM10},
- { PCI_VDEVICE(INTEL, 0x2810), TCO_ICH8},
- { PCI_VDEVICE(INTEL, 0x2812), TCO_ICH8DH},
- { PCI_VDEVICE(INTEL, 0x2814), TCO_ICH8DO},
- { PCI_VDEVICE(INTEL, 0x2815), TCO_ICH8M},
- { PCI_VDEVICE(INTEL, 0x2811), TCO_ICH8ME},
- { PCI_VDEVICE(INTEL, 0x2918), TCO_ICH9},
- { PCI_VDEVICE(INTEL, 0x2916), TCO_ICH9R},
- { PCI_VDEVICE(INTEL, 0x2912), TCO_ICH9DH},
- { PCI_VDEVICE(INTEL, 0x2914), TCO_ICH9DO},
- { PCI_VDEVICE(INTEL, 0x2919), TCO_ICH9M},
- { PCI_VDEVICE(INTEL, 0x2917), TCO_ICH9ME},
- { PCI_VDEVICE(INTEL, 0x3a18), TCO_ICH10},
- { PCI_VDEVICE(INTEL, 0x3a16), TCO_ICH10R},
- { PCI_VDEVICE(INTEL, 0x3a1a), TCO_ICH10D},
- { PCI_VDEVICE(INTEL, 0x3a14), TCO_ICH10DO},
- { PCI_VDEVICE(INTEL, 0x3b00), TCO_PCH},
- { PCI_VDEVICE(INTEL, 0x3b01), TCO_PCHM},
- { PCI_VDEVICE(INTEL, 0x3b02), TCO_P55},
- { PCI_VDEVICE(INTEL, 0x3b03), TCO_PM55},
- { PCI_VDEVICE(INTEL, 0x3b06), TCO_H55},
- { PCI_VDEVICE(INTEL, 0x3b07), TCO_QM57},
- { PCI_VDEVICE(INTEL, 0x3b08), TCO_H57},
- { PCI_VDEVICE(INTEL, 0x3b09), TCO_HM55},
- { PCI_VDEVICE(INTEL, 0x3b0a), TCO_Q57},
- { PCI_VDEVICE(INTEL, 0x3b0b), TCO_HM57},
- { PCI_VDEVICE(INTEL, 0x3b0d), TCO_PCHMSFF},
- { PCI_VDEVICE(INTEL, 0x3b0f), TCO_QS57},
- { PCI_VDEVICE(INTEL, 0x3b12), TCO_3400},
- { PCI_VDEVICE(INTEL, 0x3b14), TCO_3420},
- { PCI_VDEVICE(INTEL, 0x3b16), TCO_3450},
- { PCI_VDEVICE(INTEL, 0x5031), TCO_EP80579},
- { PCI_VDEVICE(INTEL, 0x1c41), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c42), TCO_CPTD},
- { PCI_VDEVICE(INTEL, 0x1c43), TCO_CPTM},
- { PCI_VDEVICE(INTEL, 0x1c44), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c45), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c46), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c47), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c48), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c49), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c4a), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c4b), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c4c), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c4d), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c4e), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c4f), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c50), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c51), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c52), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c53), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c54), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c55), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c56), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c57), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c58), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c59), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c5a), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c5b), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c5c), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c5d), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c5e), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1c5f), TCO_CPT},
- { PCI_VDEVICE(INTEL, 0x1d40), TCO_PBG},
- { PCI_VDEVICE(INTEL, 0x1d41), TCO_PBG},
- { PCI_VDEVICE(INTEL, 0x2310), TCO_DH89XXCC},
- { PCI_VDEVICE(INTEL, 0x1e40), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e41), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e42), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e43), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e44), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e45), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e46), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e47), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e48), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e49), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e4a), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e4b), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e4c), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e4d), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e4e), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e4f), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e50), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e51), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e52), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e53), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e54), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e55), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e56), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e57), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e58), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e59), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e5a), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e5b), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e5c), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e5d), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e5e), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x1e5f), TCO_PPT},
- { PCI_VDEVICE(INTEL, 0x8c40), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c41), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c42), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c43), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c44), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c45), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c46), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c47), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c48), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c49), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c4a), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c4b), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c4c), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c4d), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c4e), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c4f), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c50), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c51), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c52), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c53), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c54), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c55), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c56), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c57), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c58), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c59), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c5a), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c5b), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c5c), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c5d), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c5e), TCO_LPT},
- { PCI_VDEVICE(INTEL, 0x8c5f), TCO_LPT},
- { 0, }, /* End of list */
-};
-MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl);
-
/* Address definitions for the TCO */
/* TCO base address */
-#define TCOBASE (iTCO_wdt_private.ACPIBASE + 0x60)
+#define TCOBASE (iTCO_wdt_private.tco_res->start)
/* SMI Control and Enable Register */
-#define SMI_EN (iTCO_wdt_private.ACPIBASE + 0x30)
+#define SMI_EN (iTCO_wdt_private.smi_res->start)
#define TCO_RLD (TCOBASE + 0x00) /* TCO Timer Reload and Curr. Value */
#define TCOv1_TMR (TCOBASE + 0x01) /* TCOv1 Timer Initial Value */
@@ -393,19 +93,18 @@ static char expect_release;
static struct { /* this is private data for the iTCO_wdt device */
/* TCO version/generation */
unsigned int iTCO_version;
- /* The device's ACPIBASE address (TCOBASE = ACPIBASE+0x60) */
- unsigned long ACPIBASE;
+ struct resource *tco_res;
+ struct resource *smi_res;
+ struct resource *gcs_res;
/* NO_REBOOT flag is Memory-Mapped GCS register bit 5 (TCO version 2)*/
unsigned long __iomem *gcs;
/* the lock for io operations */
spinlock_t io_lock;
+ struct platform_device *dev;
/* the PCI-device */
struct pci_dev *pdev;
} iTCO_wdt_private;
-/* the watchdog platform device */
-static struct platform_device *iTCO_wdt_platform_device;
-
/* module parameters */
#define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat */
static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */
@@ -485,7 +184,7 @@ static int iTCO_wdt_start(void)
spin_lock(&iTCO_wdt_private.io_lock);
- iTCO_vendor_pre_start(iTCO_wdt_private.ACPIBASE, heartbeat);
+ iTCO_vendor_pre_start(iTCO_wdt_private.smi_res, heartbeat);
/* disable chipset's NO_REBOOT bit */
if (iTCO_wdt_unset_NO_REBOOT_bit()) {
@@ -519,7 +218,7 @@ static int iTCO_wdt_stop(void)
spin_lock(&iTCO_wdt_private.io_lock);
- iTCO_vendor_pre_stop(iTCO_wdt_private.ACPIBASE);
+ iTCO_vendor_pre_stop(iTCO_wdt_private.smi_res);
/* Bit 11: TCO Timer Halt -> 1 = The TCO timer is disabled */
val = inw(TCO1_CNT);
@@ -541,7 +240,7 @@ static int iTCO_wdt_keepalive(void)
{
spin_lock(&iTCO_wdt_private.io_lock);
- iTCO_vendor_pre_keepalive(iTCO_wdt_private.ACPIBASE, heartbeat);
+ iTCO_vendor_pre_keepalive(iTCO_wdt_private.smi_res, heartbeat);
/* Reload the timer by writing to the TCO Timer Counter register */
if (iTCO_wdt_private.iTCO_version == 2)
@@ -786,83 +485,120 @@ static struct miscdevice iTCO_wdt_miscdev = {
* Init & exit routines
*/
-static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
- const struct pci_device_id *ent, struct platform_device *dev)
+static void __devexit iTCO_wdt_cleanup(void)
+{
+ /* Stop the timer before we leave */
+ if (!nowayout)
+ iTCO_wdt_stop();
+
+ /* Deregister */
+ misc_deregister(&iTCO_wdt_miscdev);
+
+ /* release resources */
+ release_region(iTCO_wdt_private.tco_res->start,
+ resource_size(iTCO_wdt_private.tco_res));
+ release_region(iTCO_wdt_private.smi_res->start,
+ resource_size(iTCO_wdt_private.smi_res));
+ if (iTCO_wdt_private.iTCO_version == 2) {
+ iounmap(iTCO_wdt_private.gcs);
+ release_mem_region(iTCO_wdt_private.gcs_res->start,
+ resource_size(iTCO_wdt_private.gcs_res));
+ }
+
+ iTCO_wdt_private.tco_res = NULL;
+ iTCO_wdt_private.smi_res = NULL;
+ iTCO_wdt_private.gcs_res = NULL;
+ iTCO_wdt_private.gcs = NULL;
+}
+
+static int __devinit iTCO_wdt_probe(struct platform_device *dev)
{
- int ret;
- u32 base_address;
- unsigned long RCBA;
+ int ret = -ENODEV;
unsigned long val32;
+ struct lpc_ich_info *ich_info = dev->dev.platform_data;
+
+ if (!ich_info)
+ goto out;
+
+ spin_lock_init(&iTCO_wdt_private.io_lock);
+
+ iTCO_wdt_private.tco_res =
+ platform_get_resource(dev, IORESOURCE_IO, ICH_RES_IO_TCO);
+ if (!iTCO_wdt_private.tco_res)
+ goto out;
+
+ iTCO_wdt_private.smi_res =
+ platform_get_resource(dev, IORESOURCE_IO, ICH_RES_IO_SMI);
+ if (!iTCO_wdt_private.smi_res)
+ goto out;
+
+ iTCO_wdt_private.iTCO_version = ich_info->iTCO_version;
+ iTCO_wdt_private.dev = dev;
+ iTCO_wdt_private.pdev = to_pci_dev(dev->dev.parent);
/*
- * Find the ACPI/PM base I/O address which is the base
- * for the TCO registers (TCOBASE=ACPIBASE + 0x60)
- * ACPIBASE is bits [15:7] from 0x40-0x43
+ * Get the Memory-Mapped GCS register, we need it for the
+ * NO_REBOOT flag (TCO v2).
*/
- pci_read_config_dword(pdev, 0x40, &base_address);
- base_address &= 0x0000ff80;
- if (base_address == 0x00000000) {
- /* Something's wrong here, ACPIBASE has to be set */
- pr_err("failed to get TCOBASE address, device disabled by hardware/BIOS\n");
- return -ENODEV;
- }
- iTCO_wdt_private.iTCO_version =
- iTCO_chipset_info[ent->driver_data].iTCO_version;
- iTCO_wdt_private.ACPIBASE = base_address;
- iTCO_wdt_private.pdev = pdev;
-
- /* Get the Memory-Mapped GCS register, we need it for the
- NO_REBOOT flag (TCO v2). To get access to it you have to
- read RCBA from PCI Config space 0xf0 and use it as base.
- GCS = RCBA + ICH6_GCS(0x3410). */
if (iTCO_wdt_private.iTCO_version == 2) {
- pci_read_config_dword(pdev, 0xf0, &base_address);
- if ((base_address & 1) == 0) {
- pr_err("RCBA is disabled by hardware/BIOS, device disabled\n");
- ret = -ENODEV;
+ iTCO_wdt_private.gcs_res = platform_get_resource(dev,
+ IORESOURCE_MEM,
+ ICH_RES_MEM_GCS);
+
+ if (!iTCO_wdt_private.gcs_res)
+ goto out;
+
+ if (!request_mem_region(iTCO_wdt_private.gcs_res->start,
+ resource_size(iTCO_wdt_private.gcs_res), dev->name)) {
+ ret = -EBUSY;
goto out;
}
- RCBA = base_address & 0xffffc000;
- iTCO_wdt_private.gcs = ioremap((RCBA + 0x3410), 4);
+ iTCO_wdt_private.gcs = ioremap(iTCO_wdt_private.gcs_res->start,
+ resource_size(iTCO_wdt_private.gcs_res));
+ if (!iTCO_wdt_private.gcs) {
+ ret = -EIO;
+ goto unreg_gcs;
+ }
}
/* Check chipset's NO_REBOOT bit */
if (iTCO_wdt_unset_NO_REBOOT_bit() && iTCO_vendor_check_noreboot_on()) {
pr_info("unable to reset NO_REBOOT flag, device disabled by hardware/BIOS\n");
ret = -ENODEV; /* Cannot reset NO_REBOOT bit */
- goto out_unmap;
+ goto unmap_gcs;
}
/* Set the NO_REBOOT bit to prevent later reboots, just for sure */
iTCO_wdt_set_NO_REBOOT_bit();
/* The TCO logic uses the TCO_EN bit in the SMI_EN register */
- if (!request_region(SMI_EN, 4, "iTCO_wdt")) {
- pr_err("I/O address 0x%04lx already in use, device disabled\n",
+ if (!request_region(iTCO_wdt_private.smi_res->start,
+ resource_size(iTCO_wdt_private.smi_res), dev->name)) {
+ pr_err("I/O address 0x%04llx already in use, device disabled\n",
SMI_EN);
- ret = -EIO;
- goto out_unmap;
+ ret = -EBUSY;
+ goto unmap_gcs;
}
if (turn_SMI_watchdog_clear_off >= iTCO_wdt_private.iTCO_version) {
- /* Bit 13: TCO_EN -> 0 = Disables TCO logic generating an SMI# */
+ /*
+ * Bit 13: TCO_EN -> 0
+ * Disables TCO logic generating an SMI#
+ */
val32 = inl(SMI_EN);
val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */
outl(val32, SMI_EN);
}
- /* The TCO I/O registers reside in a 32-byte range pointed to
- by the TCOBASE value */
- if (!request_region(TCOBASE, 0x20, "iTCO_wdt")) {
- pr_err("I/O address 0x%04lx already in use, device disabled\n",
+ if (!request_region(iTCO_wdt_private.tco_res->start,
+ resource_size(iTCO_wdt_private.tco_res), dev->name)) {
+ pr_err("I/O address 0x%04llx already in use, device disabled\n",
TCOBASE);
- ret = -EIO;
- goto unreg_smi_en;
+ ret = -EBUSY;
+ goto unreg_smi;
}
- pr_info("Found a %s TCO device (Version=%d, TCOBASE=0x%04lx)\n",
- iTCO_chipset_info[ent->driver_data].name,
- iTCO_chipset_info[ent->driver_data].iTCO_version,
- TCOBASE);
+ pr_info("Found a %s TCO device (Version=%d, TCOBASE=0x%04llx)\n",
+ ich_info->name, ich_info->iTCO_version, TCOBASE);
/* Clear out the (probably old) status */
outw(0x0008, TCO1_STS); /* Clear the Time Out Status bit */
@@ -883,7 +619,7 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
if (ret != 0) {
pr_err("cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, ret);
- goto unreg_region;
+ goto unreg_tco;
}
pr_info("initialized. heartbeat=%d sec (nowayout=%d)\n",
@@ -891,62 +627,31 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
return 0;
-unreg_region:
- release_region(TCOBASE, 0x20);
-unreg_smi_en:
- release_region(SMI_EN, 4);
-out_unmap:
+unreg_tco:
+ release_region(iTCO_wdt_private.tco_res->start,
+ resource_size(iTCO_wdt_private.tco_res));
+unreg_smi:
+ release_region(iTCO_wdt_private.smi_res->start,
+ resource_size(iTCO_wdt_private.smi_res));
+unmap_gcs:
if (iTCO_wdt_private.iTCO_version == 2)
iounmap(iTCO_wdt_private.gcs);
-out:
- iTCO_wdt_private.ACPIBASE = 0;
- return ret;
-}
-
-static void __devexit iTCO_wdt_cleanup(void)
-{
- /* Stop the timer before we leave */
- if (!nowayout)
- iTCO_wdt_stop();
-
- /* Deregister */
- misc_deregister(&iTCO_wdt_miscdev);
- release_region(TCOBASE, 0x20);
- release_region(SMI_EN, 4);
+unreg_gcs:
if (iTCO_wdt_private.iTCO_version == 2)
- iounmap(iTCO_wdt_private.gcs);
- pci_dev_put(iTCO_wdt_private.pdev);
- iTCO_wdt_private.ACPIBASE = 0;
-}
-
-static int __devinit iTCO_wdt_probe(struct platform_device *dev)
-{
- int ret = -ENODEV;
- int found = 0;
- struct pci_dev *pdev = NULL;
- const struct pci_device_id *ent;
-
- spin_lock_init(&iTCO_wdt_private.io_lock);
-
- for_each_pci_dev(pdev) {
- ent = pci_match_id(iTCO_wdt_pci_tbl, pdev);
- if (ent) {
- found++;
- ret = iTCO_wdt_init(pdev, ent, dev);
- if (!ret)
- break;
- }
- }
-
- if (!found)
- pr_info("No device detected\n");
+ release_mem_region(iTCO_wdt_private.gcs_res->start,
+ resource_size(iTCO_wdt_private.gcs_res));
+out:
+ iTCO_wdt_private.tco_res = NULL;
+ iTCO_wdt_private.smi_res = NULL;
+ iTCO_wdt_private.gcs_res = NULL;
+ iTCO_wdt_private.gcs = NULL;
return ret;
}
static int __devexit iTCO_wdt_remove(struct platform_device *dev)
{
- if (iTCO_wdt_private.ACPIBASE)
+ if (iTCO_wdt_private.tco_res || iTCO_wdt_private.smi_res)
iTCO_wdt_cleanup();
return 0;
@@ -977,23 +682,11 @@ static int __init iTCO_wdt_init_module(void)
if (err)
return err;
- iTCO_wdt_platform_device = platform_device_register_simple(DRV_NAME,
- -1, NULL, 0);
- if (IS_ERR(iTCO_wdt_platform_device)) {
- err = PTR_ERR(iTCO_wdt_platform_device);
- goto unreg_platform_driver;
- }
-
return 0;
-
-unreg_platform_driver:
- platform_driver_unregister(&iTCO_wdt_driver);
- return err;
}
static void __exit iTCO_wdt_cleanup_module(void)
{
- platform_device_unregister(iTCO_wdt_platform_device);
platform_driver_unregister(&iTCO_wdt_driver);
pr_info("Watchdog Module Unloaded\n");
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-26 12:03:49 +0000