projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0dc5e77c TL |
1 | #include <linux/module.h> |
| 2 | #include <linux/kernel.h> | |
| 3 | #include <linux/init.h> | |
| 4 | #include <linux/platform_device.h> | |
| 5 | #include <linux/bootmem.h> | |
| 6 | ||
| 7 | #include <asm/hardware.h> | |
| 8 | #include <asm/io.h> | |
| 9 | #include <asm/mach-types.h> | |
| 10 | #include <asm/mach/map.h> | |
| 11 | ||
| 12 | #include <asm/arch/board.h> | |
| 13 | #include <asm/arch/sram.h> | |
| 14 | #include <asm/arch/omapfb.h> | |
| 15 | ||
| 16 | #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) | |
| 17 | ||
| 18 | static struct omapfb_platform_data omapfb_config; | |
| 19 | ||
| 20 | static u64 omap_fb_dma_mask = ~(u32)0; | |
| 21 | ||
| 22 | static struct platform_device omap_fb_device = { | |
| 23 | .name = "omapfb", | |
| 24 | .id = -1, | |
| 25 | .dev = { | |
| 26 | .dma_mask = &omap_fb_dma_mask, | |
| 27 | .coherent_dma_mask = ~(u32)0, | |
| 28 | .platform_data = &omapfb_config, | |
| 29 | }, | |
| 30 | .num_resources = 0, | |
| 31 | }; | |
| 32 | ||
| 33 | /* called from map_io */ | |
| 34 | void omapfb_reserve_mem(void) | |
| 35 | { | |
| 36 | const struct omap_fbmem_config *fbmem_conf; | |
| 37 | ||
| 38 | omapfb_config.fbmem.fb_sram_start = omap_fb_sram_start; | |
| 39 | omapfb_config.fbmem.fb_sram_size = omap_fb_sram_size; | |
| 40 | ||
| 41 | fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config); | |
| 42 | ||
| 43 | if (fbmem_conf != NULL) { | |
| 44 | /* indicate that the bootloader already initialized the | |
| 45 | * fb device, so we'll skip that part in the fb driver | |
| 46 | */ | |
| 47 | omapfb_config.fbmem.fb_sdram_start = fbmem_conf->fb_sdram_start; | |
| 48 | omapfb_config.fbmem.fb_sdram_size = fbmem_conf->fb_sdram_size; | |
| 49 | if (fbmem_conf->fb_sdram_size) { | |
| 50 | pr_info("Reserving %u bytes SDRAM for frame buffer\n", | |
| 51 | fbmem_conf->fb_sdram_size); | |
| 52 | reserve_bootmem(fbmem_conf->fb_sdram_start, | |
| 53 | fbmem_conf->fb_sdram_size); | |
| 54 | } | |
| 55 | } | |
| 56 | } | |
| 57 | ||
| 58 | static inline int omap_init_fb(void) | |
| 59 | { | |
| 60 | const struct omap_lcd_config *conf; | |
| 61 | ||
| 62 | conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); | |
| 63 | if (conf == NULL) | |
| 64 | return 0; | |
| 65 | ||
| 66 | omapfb_config.lcd = *conf; | |
| 67 | ||
| 68 | return platform_device_register(&omap_fb_device); | |
| 69 | } | |
| 70 | ||
| 71 | arch_initcall(omap_init_fb); | |
| 72 | ||
| 73 | #else | |
| 74 | ||
| 75 | void omapfb_reserve_mem(void) {} | |
| 76 | ||
| 77 | #endif | |
| 78 | ||
| 79 |