diff options
Diffstat (limited to 'meta/packages/linux/linux-cmx270-2.6.17/add_2700g_plat-r0.patch')
| -rw-r--r-- | meta/packages/linux/linux-cmx270-2.6.17/add_2700g_plat-r0.patch | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/meta/packages/linux/linux-cmx270-2.6.17/add_2700g_plat-r0.patch b/meta/packages/linux/linux-cmx270-2.6.17/add_2700g_plat-r0.patch new file mode 100644 index 0000000000..b4a33e2cf7 --- /dev/null +++ b/meta/packages/linux/linux-cmx270-2.6.17/add_2700g_plat-r0.patch @@ -0,0 +1,126 @@ +Index: linux-2.6.17/arch/arm/mach-pxa/cm-x270.c +=================================================================== +--- linux-2.6.17.orig/arch/arm/mach-pxa/cm-x270.c 2006-07-18 15:40:10.000000000 +0100 ++++ linux-2.6.17/arch/arm/mach-pxa/cm-x270.c 2006-07-20 20:25:22.000000000 +0100 +@@ -11,6 +11,7 @@ + #include <linux/pm.h> + #include <linux/fb.h> + #include <linux/rtc-v3020.h> ++#include <linux/mbxfb.h> + + #include <asm/types.h> + #include <asm/setup.h> +@@ -396,10 +397,113 @@ + .resource = dm9000_resources, + }; + ++/* 2700G graphics */ ++static u64 fb_dma_mask = ~(u64)0; ++ ++static struct resource cmx270_2700G_resource[] = { ++ /* frame buffer memory including ODFB and External SDRAM */ ++ [0] = { ++ .start = MARATHON_PHYS, ++ .end = MARATHON_PHYS + 0x02000000, ++ .flags = IORESOURCE_MEM, ++ }, ++ /* Marathon registers */ ++ [1] = { ++ .start = MARATHON_PHYS + 0x03fe0000, ++ .end = MARATHON_PHYS + 0x03ffffff, ++ .flags = IORESOURCE_MEM, ++ }, ++}; ++ ++static unsigned long save_lcd_regs[10]; ++ ++/* if 2700G is used, disable PCI throttle */ ++#define LB_TROTTLE_OFF (PXA_CS1_PHYS | (1 << 25)) ++#define LB_TROTTLE_MAX (PXA_CS1_PHYS | (1 << 25) | (1 << 22)) ++static int cmx270_marathon_probe(struct fb_info *fb) ++{ ++ volatile unsigned long *cpld; ++ ++ cpld = (volatile unsigned long*)ioremap(LB_TROTTLE_OFF, 4); ++ if ( !cpld ) { ++ return -ENODEV; ++ } ++ *cpld = 0; ++ iounmap((void*)cpld); ++ ++ /* save PXA-270 pin settings before enabling 2700G */ ++ save_lcd_regs[0] = GPDR1; ++ save_lcd_regs[1] = GPDR2; ++ save_lcd_regs[2] = GAFR1_U; ++ save_lcd_regs[3] = GAFR2_L; ++ save_lcd_regs[4] = GAFR2_U; ++ ++ /* Disable PXA-270 on-chip controller driving pins */ ++ GPDR1 &= ~(0xfc000000); ++ GPDR2 &= ~(0x00c03fff); ++ GAFR1_U &= ~(0xfff00000); ++ GAFR2_L &= ~(0x0fffffff); ++ GAFR2_U &= ~(0x0000f000); ++ return 0; ++} ++ ++static int cmx270_marathon_remove(struct fb_info *fb) ++{ ++ volatile unsigned long *cpld; ++ cpld = (volatile unsigned long*)ioremap(LB_TROTTLE_MAX, 4); ++ ++ if ( !cpld ) { ++ return -ENODEV; ++ } ++ *cpld = 0; ++ iounmap((void*)cpld); ++ ++ GPDR1 = save_lcd_regs[0]; ++ GPDR2 = save_lcd_regs[1]; ++ GAFR1_U = save_lcd_regs[2]; ++ GAFR2_L = save_lcd_regs[3]; ++ GAFR2_U = save_lcd_regs[4]; ++ return 0; ++} ++ ++static struct mbxfb_platform_data cmx270_2700G_data = { ++ .xres = { ++ .min = 240, ++ .max = 1200, ++ .defval = 640, ++ }, ++ .yres = { ++ .min = 240, ++ .max = 1200, ++ .defval = 480, ++ }, ++ .bpp = { ++ .min = 16, ++ .max = 32, ++ .defval = 16, ++ }, ++ .memsize = 8*1024*1024, ++ .probe = cmx270_marathon_probe, ++ .remove = cmx270_marathon_remove, ++}; ++ ++static struct platform_device cmx270_2700G = { ++ .name = "mbx-fb", ++ .dev = { ++ .platform_data = &cmx270_2700G_data, ++ .dma_mask = &fb_dma_mask, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .num_resources = ARRAY_SIZE(cmx270_2700G_resource), ++ .resource = cmx270_2700G_resource, ++ .id = -1, ++}; ++ + static struct platform_device *platform_devices[] __initdata = {\ + &cmx270_audio_device, + &v3020_rtc_device, + &dm9000_device, ++ &cmx270_2700G, + }; + + static int cmx270_ohci_init(struct device *dev) |