mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 20:26:15 +02:00
9a462204d1
This watchdog driver should work with SoC having a PMU. This fixes #11720. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34323 3c298f89-4303-0410-b956-a3cf2f4a3e73
93 lines
2.6 KiB
Diff
93 lines
2.6 KiB
Diff
--- a/drivers/bcma/bcma_private.h
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+++ b/drivers/bcma/bcma_private.h
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@@ -85,6 +85,8 @@ extern void __exit bcma_host_pci_exit(vo
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/* driver_pci.c */
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u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
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+extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
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+
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#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
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bool __devinit bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc);
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void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
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--- a/drivers/bcma/driver_chipcommon.c
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+++ b/drivers/bcma/driver_chipcommon.c
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@@ -12,6 +12,7 @@
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#include "bcma_private.h"
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#include <linux/bcm47xx_wdt.h>
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#include <linux/export.h>
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+#include <linux/platform_device.h>
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#include <linux/bcma/bcma.h>
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static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
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@@ -87,6 +88,27 @@ static int bcma_chipco_watchdog_ticks_pe
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}
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}
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+int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc)
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+{
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+ struct bcm47xx_wdt wdt = {};
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+ struct platform_device *pdev;
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+
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+ wdt.driver_data = cc;
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+ wdt.timer_set = bcma_chipco_watchdog_timer_set_wdt;
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+ wdt.timer_set_ms = bcma_chipco_watchdog_timer_set_ms_wdt;
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+ wdt.max_timer_ms = bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
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+
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+ pdev = platform_device_register_data(NULL, "bcm47xx-wdt",
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+ cc->core->bus->num, &wdt,
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+ sizeof(wdt));
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+ if (IS_ERR(pdev))
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+ return PTR_ERR(pdev);
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+
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+ cc->watchdog = pdev;
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+
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+ return 0;
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+}
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+
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void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
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{
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if (cc->early_setup_done)
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -173,6 +173,12 @@ static int bcma_register_cores(struct bc
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}
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#endif
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+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
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+ err = bcma_chipco_watchdog_register(&bus->drv_cc);
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+ if (err)
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+ bcma_err(bus, "Error registering watchdog driver\n");
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+ }
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+
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return 0;
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}
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@@ -185,6 +191,8 @@ static void bcma_unregister_cores(struct
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if (core->dev_registered)
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device_unregister(&core->dev);
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}
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+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
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+ platform_device_unregister(bus->drv_cc.watchdog);
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}
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int __devinit bcma_bus_register(struct bcma_bus *bus)
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--- a/include/linux/bcma/bcma_driver_chipcommon.h
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+++ b/include/linux/bcma/bcma_driver_chipcommon.h
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@@ -4,6 +4,8 @@
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#include <linux/mtd/bcm47xx_sflash.h>
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#include <linux/mtd/bcm47xx_nand.h>
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+#include <linux/platform_device.h>
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+
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/** ChipCommon core registers. **/
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#define BCMA_CC_ID 0x0000
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#define BCMA_CC_ID_ID 0x0000FFFF
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@@ -555,6 +557,7 @@ struct bcma_drv_cc {
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/* Lock for GPIO register access. */
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spinlock_t gpio_lock;
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u32 ticks_per_ms;
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+ struct platform_device *watchdog;
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};
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/* Register access */
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