1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Framebuffer device registration for TI OMAP platforms
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2006 Nokia Corporation
6*4882a593Smuzhiyun * Author: Imre Deak <imre.deak@nokia.com>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/module.h>
10*4882a593Smuzhiyun #include <linux/kernel.h>
11*4882a593Smuzhiyun #include <linux/mm.h>
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <linux/platform_device.h>
14*4882a593Smuzhiyun #include <linux/memblock.h>
15*4882a593Smuzhiyun #include <linux/io.h>
16*4882a593Smuzhiyun #include <linux/omapfb.h>
17*4882a593Smuzhiyun #include <linux/dma-mapping.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include <asm/mach/map.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #include "soc.h"
22*4882a593Smuzhiyun #include "display.h"
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #ifdef CONFIG_OMAP2_VRFB
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /*
27*4882a593Smuzhiyun * The first memory resource is the register region for VRFB,
28*4882a593Smuzhiyun * the rest are VRFB virtual memory areas for each VRFB context.
29*4882a593Smuzhiyun */
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun static const struct resource omap2_vrfb_resources[] = {
32*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
33*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
34*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
35*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
36*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static const struct resource omap3_vrfb_resources[] = {
40*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
41*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
42*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
43*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
44*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
45*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
46*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
47*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
48*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
49*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
50*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
51*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
52*4882a593Smuzhiyun DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun
omap_init_vrfb(void)55*4882a593Smuzhiyun int __init omap_init_vrfb(void)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun struct platform_device *pdev;
58*4882a593Smuzhiyun const struct resource *res;
59*4882a593Smuzhiyun unsigned int num_res;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun if (cpu_is_omap24xx()) {
62*4882a593Smuzhiyun res = omap2_vrfb_resources;
63*4882a593Smuzhiyun num_res = ARRAY_SIZE(omap2_vrfb_resources);
64*4882a593Smuzhiyun } else if (cpu_is_omap34xx()) {
65*4882a593Smuzhiyun res = omap3_vrfb_resources;
66*4882a593Smuzhiyun num_res = ARRAY_SIZE(omap3_vrfb_resources);
67*4882a593Smuzhiyun } else {
68*4882a593Smuzhiyun return 0;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
72*4882a593Smuzhiyun res, num_res, NULL, 0);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun return PTR_ERR_OR_ZERO(pdev);
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun #else
omap_init_vrfb(void)77*4882a593Smuzhiyun int __init omap_init_vrfb(void) { return 0; }
78*4882a593Smuzhiyun #endif
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_FB_OMAP2)
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun static u64 omap_fb_dma_mask = ~(u32)0;
83*4882a593Smuzhiyun static struct omapfb_platform_data omapfb_config;
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun static struct platform_device omap_fb_device = {
86*4882a593Smuzhiyun .name = "omapfb",
87*4882a593Smuzhiyun .id = -1,
88*4882a593Smuzhiyun .dev = {
89*4882a593Smuzhiyun .dma_mask = &omap_fb_dma_mask,
90*4882a593Smuzhiyun .coherent_dma_mask = DMA_BIT_MASK(32),
91*4882a593Smuzhiyun .platform_data = &omapfb_config,
92*4882a593Smuzhiyun },
93*4882a593Smuzhiyun .num_resources = 0,
94*4882a593Smuzhiyun };
95*4882a593Smuzhiyun
omap_init_fb(void)96*4882a593Smuzhiyun int __init omap_init_fb(void)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun return platform_device_register(&omap_fb_device);
99*4882a593Smuzhiyun }
100*4882a593Smuzhiyun #else
omap_init_fb(void)101*4882a593Smuzhiyun int __init omap_init_fb(void) { return 0; }
102*4882a593Smuzhiyun #endif
103