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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-05-06 12:58:37 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-05-09 17:41:45 +0200 |
| commit | f864768cf968c8a560d3525beeece77afd77da5c (patch) | |
| tree | 566d5d19b9ae725d43365921d8aee96397c65478 /drivers/video | |
| parent | 104219616fbf1717eb2af9358c7673e62dce35bf (diff) | |
| download | barebox-f864768cf968c8a560d3525beeece77afd77da5c.tar.gz barebox-f864768cf968c8a560d3525beeece77afd77da5c.tar.xz | |
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/imx-ipu-v3/ipu-common.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/video/imx-ipu-v3/ipu-common.c b/drivers/video/imx-ipu-v3/ipu-common.c index 5f3b0bb66d..c60236343a 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 = { |