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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * Framebuffer device registration for TI OMAP platforms
- *
- * Copyright (C) 2006 Nokia Corporation
- * Author: Imre Deak <[email protected]>
- */
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/mm.h>
- #include <linux/init.h>
- #include <linux/platform_device.h>
- #include <linux/memblock.h>
- #include <linux/io.h>
- #include <linux/omapfb.h>
- #include <linux/dma-mapping.h>
- #include <asm/mach/map.h>
- #include "soc.h"
- #include "display.h"
- #ifdef CONFIG_OMAP2_VRFB
- /*
- * The first memory resource is the register region for VRFB,
- * the rest are VRFB virtual memory areas for each VRFB context.
- */
- static const struct resource omap2_vrfb_resources[] = {
- DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
- DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
- DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
- DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
- DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
- };
- static const struct resource omap3_vrfb_resources[] = {
- DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
- DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
- DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
- DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
- DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
- DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
- DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
- DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
- DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
- DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
- DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
- DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
- DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
- };
- int __init omap_init_vrfb(void)
- {
- struct platform_device *pdev;
- const struct resource *res;
- unsigned int num_res;
- if (cpu_is_omap24xx()) {
- res = omap2_vrfb_resources;
- num_res = ARRAY_SIZE(omap2_vrfb_resources);
- } else if (cpu_is_omap34xx()) {
- res = omap3_vrfb_resources;
- num_res = ARRAY_SIZE(omap3_vrfb_resources);
- } else {
- return 0;
- }
- pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
- res, num_res, NULL, 0);
- return PTR_ERR_OR_ZERO(pdev);
- }
- #else
- int __init omap_init_vrfb(void) { return 0; }
- #endif
- #if IS_ENABLED(CONFIG_FB_OMAP2)
- static u64 omap_fb_dma_mask = ~(u32)0;
- static struct omapfb_platform_data omapfb_config;
- static struct platform_device omap_fb_device = {
- .name = "omapfb",
- .id = -1,
- .dev = {
- .dma_mask = &omap_fb_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &omapfb_config,
- },
- .num_resources = 0,
- };
- int __init omap_init_fb(void)
- {
- return platform_device_register(&omap_fb_device);
- }
- #else
- int __init omap_init_fb(void) { return 0; }
- #endif
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