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pcm043: Add MMU support 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-12-08 14:41:03 +01:00
parent 85520cc9f6
commit 4300cd1729
2 changed files with 27 additions and 0 deletions
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1
arch/arm/mach-imx/Kconfig
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@ -221,6 +221,7 @@ config MACH_FREESCALE_MX35_3STACK
config MACH_PCM043
bool "phyCORE-i.MX35"
select HAS_CFI
select HAVE_MMU
select MACH_HAS_LOWLEVEL_INIT
help
Say Y here if you are using Phytec's phyCORE-i.MX35 (pcm043) equipped

26
board/pcm043/pcm043.c
View File

@ -39,6 +39,7 @@
#include <mach/imx-nand.h>
#include <fec.h>
#include <fb.h>
#include <asm/mmu.h>
#include <mach/imx-ipu-fb.h>
#include <mach/imx-pll.h>
#include <mach/iomux-mx35.h>
@ -143,10 +144,35 @@ static struct device_d imx_ipu_fb_dev = {
.platform_data = &ipu_fb_data,
};
#ifdef CONFIG_MMU
static void pcm043_mmu_init(void)
{
mmu_init();
arm_create_section(0x80000000, 0x80000000, 128, PMD_SECT_DEF_CACHED);
arm_create_section(0x90000000, 0x80000000, 128, PMD_SECT_DEF_UNCACHED);
setup_dma_coherent(0x10000000);
#if TEXT_BASE & (0x100000 - 1)
#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary
#else
arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED);
#endif
mmu_enable();
}
#else
static void pcm043_mmu_init(void)
{
}
#endif
static int imx35_devices_init(void)
{
uint32_t reg;
pcm043_mmu_init();
/* CS0: Nor Flash */
writel(0x0000cf03, CSCR_U(0));
writel(0x10000d03, CSCR_L(0));