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yaml
---
r: 331437
b: refs/heads/master
c: 944c3d8
h: refs/heads/master
i:
  331435: 0199794
v: v3
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Greg Ungerer committed Sep 27, 2012
1 parent 2282ab5 commit f4a4568
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Showing 4 changed files with 34 additions and 35 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 632306f2454bf46c71d4fb7a499916d942b22a32
refs/heads/master: 944c3d81dbead14725e7d12675c37a2027760608
40 changes: 20 additions & 20 deletions trunk/arch/m68k/include/asm/m54xxgpt.h
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Expand Up @@ -16,26 +16,26 @@
*********************************************************************/

/* Register read/write macros */
#define MCF_GPT_GMS0 0x000800
#define MCF_GPT_GCIR0 0x000804
#define MCF_GPT_GPWM0 0x000808
#define MCF_GPT_GSR0 0x00080C
#define MCF_GPT_GMS1 0x000810
#define MCF_GPT_GCIR1 0x000814
#define MCF_GPT_GPWM1 0x000818
#define MCF_GPT_GSR1 0x00081C
#define MCF_GPT_GMS2 0x000820
#define MCF_GPT_GCIR2 0x000824
#define MCF_GPT_GPWM2 0x000828
#define MCF_GPT_GSR2 0x00082C
#define MCF_GPT_GMS3 0x000830
#define MCF_GPT_GCIR3 0x000834
#define MCF_GPT_GPWM3 0x000838
#define MCF_GPT_GSR3 0x00083C
#define MCF_GPT_GMS(x) (0x000800+((x)*0x010))
#define MCF_GPT_GCIR(x) (0x000804+((x)*0x010))
#define MCF_GPT_GPWM(x) (0x000808+((x)*0x010))
#define MCF_GPT_GSR(x) (0x00080C+((x)*0x010))
#define MCF_GPT_GMS0 (MCF_MBAR + 0x000800)
#define MCF_GPT_GCIR0 (MCF_MBAR + 0x000804)
#define MCF_GPT_GPWM0 (MCF_MBAR + 0x000808)
#define MCF_GPT_GSR0 (MCF_MBAR + 0x00080C)
#define MCF_GPT_GMS1 (MCF_MBAR + 0x000810)
#define MCF_GPT_GCIR1 (MCF_MBAR + 0x000814)
#define MCF_GPT_GPWM1 (MCF_MBAR + 0x000818)
#define MCF_GPT_GSR1 (MCF_MBAR + 0x00081C)
#define MCF_GPT_GMS2 (MCF_MBAR + 0x000820)
#define MCF_GPT_GCIR2 (MCF_MBAR + 0x000824)
#define MCF_GPT_GPWM2 (MCF_MBAR + 0x000828)
#define MCF_GPT_GSR2 (MCF_MBAR + 0x00082C)
#define MCF_GPT_GMS3 (MCF_MBAR + 0x000830)
#define MCF_GPT_GCIR3 (MCF_MBAR + 0x000834)
#define MCF_GPT_GPWM3 (MCF_MBAR + 0x000838)
#define MCF_GPT_GSR3 (MCF_MBAR + 0x00083C)
#define MCF_GPT_GMS(x) (MCF_MBAR + 0x000800 + ((x) * 0x010))
#define MCF_GPT_GCIR(x) (MCF_MBAR + 0x000804 + ((x) * 0x010))
#define MCF_GPT_GPWM(x) (MCF_MBAR + 0x000808 + ((x) * 0x010))
#define MCF_GPT_GSR(x) (MCF_MBAR + 0x00080C + ((x) * 0x010))

/* Bit definitions and macros for MCF_GPT_GMS */
#define MCF_GPT_GMS_TMS(x) (((x)&0x00000007)<<0)
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6 changes: 3 additions & 3 deletions trunk/arch/m68k/platform/coldfire/m54xx.c
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Expand Up @@ -44,10 +44,10 @@ static void mcf54xx_reset(void)
{
/* disable interrupts and enable the watchdog */
asm("movew #0x2700, %sr\n");
__raw_writel(0, MCF_MBAR + MCF_GPT_GMS0);
__raw_writel(MCF_GPT_GCIR_CNT(1), MCF_MBAR + MCF_GPT_GCIR0);
__raw_writel(0, MCF_GPT_GMS0);
__raw_writel(MCF_GPT_GCIR_CNT(1), MCF_GPT_GCIR0);
__raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4),
MCF_MBAR + MCF_GPT_GMS0);
MCF_GPT_GMS0);
}

/***************************************************************************/
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21 changes: 10 additions & 11 deletions trunk/drivers/watchdog/m54xx_wdt.c
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Expand Up @@ -46,36 +46,36 @@ static void wdt_enable(void)
unsigned int gms0;

/* preserve GPIO usage, if any */
gms0 = __raw_readl(MCF_MBAR + MCF_GPT_GMS0);
gms0 = __raw_readl(MCF_GPT_GMS0);
if (gms0 & MCF_GPT_GMS_TMS_GPIO)
gms0 &= (MCF_GPT_GMS_TMS_GPIO | MCF_GPT_GMS_GPIO_MASK
| MCF_GPT_GMS_OD);
else
gms0 = MCF_GPT_GMS_TMS_GPIO | MCF_GPT_GMS_OD;
__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
__raw_writel(gms0, MCF_GPT_GMS0);
__raw_writel(MCF_GPT_GCIR_PRE(heartbeat*(MCF_BUSCLK/0xffff)) |
MCF_GPT_GCIR_CNT(0xffff), MCF_MBAR + MCF_GPT_GCIR0);
MCF_GPT_GCIR_CNT(0xffff), MCF_GPT_GCIR0);
gms0 |= MCF_GPT_GMS_OCPW(0xA5) | MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE;
__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
__raw_writel(gms0, MCF_GPT_GMS0);
}

static void wdt_disable(void)
{
unsigned int gms0;

/* disable watchdog */
gms0 = __raw_readl(MCF_MBAR + MCF_GPT_GMS0);
gms0 = __raw_readl(MCF_GPT_GMS0);
gms0 &= ~(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE);
__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
__raw_writel(gms0, MCF_GPT_GMS0);
}

static void wdt_keepalive(void)
{
unsigned int gms0;

gms0 = __raw_readl(MCF_MBAR + MCF_GPT_GMS0);
gms0 = __raw_readl(MCF_GPT_GMS0);
gms0 |= MCF_GPT_GMS_OCPW(0xA5);
__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
__raw_writel(gms0, MCF_GPT_GMS0);
}

static int m54xx_wdt_open(struct inode *inode, struct file *file)
Expand Down Expand Up @@ -195,8 +195,7 @@ static struct miscdevice m54xx_wdt_miscdev = {

static int __init m54xx_wdt_init(void)
{
if (!request_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4,
"Coldfire M54xx Watchdog")) {
if (!request_mem_region(MCF_GPT_GCIR0, 4, "Coldfire M54xx Watchdog")) {
pr_warn("I/O region busy\n");
return -EBUSY;
}
Expand All @@ -208,7 +207,7 @@ static int __init m54xx_wdt_init(void)
static void __exit m54xx_wdt_exit(void)
{
misc_deregister(&m54xx_wdt_miscdev);
release_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4);
release_mem_region(MCF_GPT_GCIR0, 4);
}

module_init(m54xx_wdt_init);
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