Needed to make the IPU driver work on i.MX5
Signed-off-by: Sascha Hauer <[email protected]>
---
drivers/video/imx-ipu-v3/ipu-common.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/video/imx-ipu-v3/ipu-common.c
b/drivers/video/imx-ipu-v3/ipu-common.c
index 5f3b0bb..c602363 100644
--- a/drivers/video/imx-ipu-v3/ipu-common.c
+++ b/drivers/video/imx-ipu-v3/ipu-common.c
@@ -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 = {
--
2.0.0.rc0
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