RealView: Allow XVGA (1024x768) CLCD resolution on the RealView boards

This patch adds another clcd_panel structure for the above resolution
and makes it the default for the PB1176 and PB11MPCore platforms.

Signed-off-by: Colin Tuckley <Colin.Tuckley@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 702d81549c91495da5da10fd9beb75426d2e2c79..df5e67708c6646f6f0d3ceccde300f6986fdd2ad 100644 (file)
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -236,6 +236,29 @@ static struct clcd_panel vga = {
        .bpp            = 16,
 };
 
+static struct clcd_panel xvga = {
+       .mode           = {
+               .name           = "XVGA",
+               .refresh        = 60,
+               .xres           = 1024,
+               .yres           = 768,
+               .pixclock       = 15748,
+               .left_margin    = 152,
+               .right_margin   = 48,
+               .upper_margin   = 23,
+               .lower_margin   = 3,
+               .hsync_len      = 104,
+               .vsync_len      = 4,
+               .sync           = 0,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+       .width          = -1,
+       .height         = -1,
+       .tim2           = TIM2_BCD | TIM2_IPC,
+       .cntl           = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
+       .bpp            = 16,
+};
+
 static struct clcd_panel sanyo_3_8_in = {
        .mode           = {
                .name           = "Sanyo QVGA",
@@ -314,9 +337,15 @@ static struct clcd_panel epson_2_2_in = {
 static struct clcd_panel *realview_clcd_panel(void)
 {
        void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET;
-       struct clcd_panel *panel = &vga;
+       struct clcd_panel *vga_panel;
+       struct clcd_panel *panel;
        u32 val;
 
+       if (machine_is_realview_eb())
+               vga_panel = &vga;
+       else
+               vga_panel = &xvga;
+
        val = readl(sys_clcd) & SYS_CLCD_ID_MASK;
        if (val == SYS_CLCD_ID_SANYO_3_8)
                panel = &sanyo_3_8_in;
@@ -325,11 +354,11 @@ static struct clcd_panel *realview_clcd_panel(void)
        else if (val == SYS_CLCD_ID_EPSON_2_2)
                panel = &epson_2_2_in;
        else if (val == SYS_CLCD_ID_VGA)
-               panel = &vga;
+               panel = vga_panel;
        else {
                printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n",
                        val);
-               panel = &vga;
+               panel = vga_panel;
        }
 
        return panel;
@@ -364,12 +393,18 @@ static void realview_clcd_enable(struct clcd_fb *fb)
        writel(val, sys_clcd);
 }
 
-static unsigned long framesize = SZ_1M;
-
 static int realview_clcd_setup(struct clcd_fb *fb)
 {
+       unsigned long framesize;
        dma_addr_t dma;
 
+       if (machine_is_realview_eb())
+               /* VGA, 16bpp */
+               framesize = 640 * 480 * 2;
+       else
+               /* XVGA, 16bpp */
+               framesize = 1024 * 768 * 2;
+
        fb->panel               = realview_clcd_panel();
 
        fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize,