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video: i.MX IPUv3: Implement i.MX5 IPU reset support 

Needed to make the IPU driver work on i.MX5

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2014-05-06 12:58:37 +02:00
parent 104219616f
commit f864768cf9
1 changed files with 29 additions and 0 deletions
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29
drivers/video/imx-ipu-v3/ipu-common.c
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@ -22,6 +22,8 @@
#include <asm/mmu.h>
#include <mach/generic.h>
#include <mach/imx6-regs.h>
#include <mach/imx53-regs.h>
#include <mach/imx51-regs.h>
#include "imx-ipu-v3.h"
#include "ipu-prv.h"
@ -529,6 +531,31 @@ static int imx6_ipu_reset(struct ipu_soc *ipu)
}
static int imx5_ipu_reset(void __iomem *src_base)
{
uint32_t val;
int ret;
val = ipureadl(src_base);
val |= (1 << 3);
ipuwritel("reset", val, src_base);
ret = wait_on_timeout(100 * MSECOND, !(readl(src_base) & (1 << 3)));
return ret;
}
static int imx51_ipu_reset(struct ipu_soc *ipu)
{
return imx5_ipu_reset((void *)MX51_SRC_BASE_ADDR);
}
static int imx53_ipu_reset(struct ipu_soc *ipu)
{
return imx5_ipu_reset((void *)MX53_SRC_BASE_ADDR);
}
struct ipu_devtype {
const char *name;
unsigned long cm_ofs;
@ -554,6 +581,7 @@ static struct ipu_devtype ipu_type_imx51 = {
.dc_tmpl_ofs = 0x1f080000,
.vdi_ofs = 0x1e068000,
.type = IPUV3EX,
.reset = imx51_ipu_reset,
};
static struct ipu_devtype ipu_type_imx53 = {
@ -567,6 +595,7 @@ static struct ipu_devtype ipu_type_imx53 = {
.dc_tmpl_ofs = 0x07080000,
.vdi_ofs = 0x06068000,
.type = IPUV3M,
.reset = imx53_ipu_reset,
};
static struct ipu_devtype ipu_type_imx6q = {