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Corrects the Kirkwood dreamplug to use

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the right register for power managment. It
was incorrectly using the clock register
which also caused the status to be the
opposite of what it is supposed to be.
1 - its disabled
0 - its enabled

Per kirkwood spec FSS_88F6180_9x_6281_OpenSource.pdf
This commit is contained in:
Randall Stewart 2013-10-19 06:47:02 +00:00
parent f8c98b1227
commit 03466868c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=256760
2 changed files with 19 additions and 2 deletions
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17
sys/arm/mv/common.c
View File

@ -153,8 +153,11 @@ struct fdt_pm_mask_entry fdt_pm_mask_table[] = {
static __inline int
pm_is_disabled(uint32_t mask)
{
#if defined(SOC_MV_KIRKWOOD)
return (soc_power_ctrl_get(mask) == mask);
#else
return (soc_power_ctrl_get(mask) == mask ? 0 : 1);
#endif
}
/*
@ -221,7 +224,16 @@ fdt_pm(phandle_t node)
continue;
compat = fdt_is_compatible(node, fdt_pm_mask_table[i].compat);
#if defined(SOC_MV_KIRKWOOD)
if (compat && (cpu_pm_ctrl & fdt_pm_mask_table[i].mask)) {
dev_mask |= (1 << i);
ena = 0;
break;
} else if (compat) {
dev_mask |= (1 << i);
break;
}
#else
if (compat && (~cpu_pm_ctrl & fdt_pm_mask_table[i].mask)) {
dev_mask |= (1 << i);
ena = 0;
@ -230,6 +242,7 @@ fdt_pm(phandle_t node)
dev_mask |= (1 << i);
break;
}
#endif
}
return (ena);

4
sys/arm/mv/mvreg.h
View File

@ -142,7 +142,11 @@
/*
* Power Control
*/
#if defined(SOC_MV_KIRKWOOD)
#define CPU_PM_CTRL 0x18
#else
#define CPU_PM_CTRL 0x1C
#endif
#define CPU_PM_CTRL_NONE 0
#define CPU_PM_CTRL_ALL ~0x0