[PATCH 09/14] omap: Use ioremap in dispc.c

Tony Lindgren
2009-10-16T23:41:46Z

Use ioremap in dispc.c

Cc: Imre Deak <imre.deak@nokia.com>
Cc: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/video/omap/dispc.c | 20 +++++++++++++++++---
1 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index f16e421..6f957ce 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -204,6 +204,7 @@ static u32 inline dispc_read_reg(int idx)
/* Select RFBI or bypass mode */
static void enable_rfbi_mode(int enable)
{
+ void __iomem *rfbi_control;
u32 l;

l = dispc_read_reg(DISPC_CONTROL);
@@ -216,9 +217,15 @@ static void enable_rfbi_mode(int enable)
dispc_write_reg(DISPC_CONTROL, l);

/* Set bypass mode in RFBI module */
- l = __raw_readl(OMAP2_IO_ADDRESS(RFBI_CONTROL));
+ rfbi_control = ioremap(RFBI_CONTROL, SZ_1K);
+ if (!rfbi_control) {
+ pr_err("Unable to ioremap rfbi_control\n");
+ return;
+ }
+ l = __raw_readl(rfbi_control);
l |= enable ? 0 : (1 << 1);
- __raw_writel(l, OMAP2_IO_ADDRESS(RFBI_CONTROL));
+ __raw_writel(l, rfbi_control);
+ iounmap(rfbi_control);
}

static void set_lcd_data_lines(int data_lines)
@@ -1367,6 +1374,7 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
int r;
u32 l;
struct lcd_panel *panel = fbdev->panel;
+ void __iomem *ram_fw_base;
int tmo = 10000;
int skip_init = 0;
int i;
@@ -1441,7 +1449,13 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
}

/* L3 firewall setting: enable access to OCM RAM */
- __raw_writel(0x402000b0, OMAP2_IO_ADDRESS(0x680050a0));
+ ram_fw_base = ioremap(0x68005000, SZ_1K);
+ if (!ram_fw_base) {
+ dev_err(dispc.fbdev->dev, "Cannot ioremap to enable OCM RAM\n");
+ goto fail1;
+ }
+ __raw_writel(0x402000b0, ram_fw_base + 0xa0);
+ iounmap(ram_fw_base);

if ((r = alloc_palette_ram()) < 0)
goto fail2;