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arm:no longer rely on a 1:1 phys mapping for device memory.

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Change-Id: Ie3f61069f882c37dbb81dee813fdfd883e7468cf
This commit is contained in:
Kees Jongenburger
2013-06-12 16:42:12 +02:00
committed by Gerrit Code Review
parent a74251eb16
commit a5a693a046
6 changed files with 220 additions and 5 deletions
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kernel/arch/earm/omap_timer.c
+8
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@@ -3,6 +3,7 @@
#include <sys/types.h>
#include <machine/cpu.h>
#include <minix/mmio.h>
#include <assert.h>
#include <io.h>
#include <stdlib.h>
#include <stdio.h>
@@ -141,10 +142,16 @@ int omap3_register_timer_handler(const irq_handler_t handler)
return 0;
}
/* meta data for remapping */
static kern_phys_map timer_phys_map;
static kern_phys_map fr_timer_phys_map;
void omap3_frclock_init(void)
{
u32_t tisr;
kern_phys_map_ptr(fr_timer.base,ARM_PAGE_SIZE,&fr_timer_phys_map,&fr_timer.base);
/* enable the clock */
#ifdef AM335X
/* Disable the module and wait for the module to be disabled */
@@ -202,6 +209,7 @@ void omap3_frclock_stop()
void omap3_timer_init(unsigned freq)
{
u32_t tisr;
kern_phys_map_ptr(timer.base,ARM_PAGE_SIZE,&timer_phys_map,&timer.base);
#ifdef AM335X
/* disable the module and wait for the module to be disabled */
set32(CM_WKUP_TIMER1_CLKCTRL, CM_MODULEMODE_MASK,CM_MODULEMODE_DISABLED);