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bc3a59c1 DA |
1 | /* |
2 | * Copyright 2012 Freescale Semiconductor, Inc. | |
3 | * Copyright 2012 Linaro Ltd. | |
4 | * | |
5 | * The code contained herein is licensed under the GNU General Public | |
6 | * License. You may obtain a copy of the GNU General Public License | |
7 | * Version 2 or later at the following locations: | |
8 | * | |
9 | * http://www.opensource.org/licenses/gpl-license.html | |
10 | * http://www.gnu.org/copyleft/gpl.html | |
11 | */ | |
12 | ||
13 | #include <linux/clk.h> | |
14 | #include <linux/clkdev.h> | |
15 | #include <linux/err.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/irqdomain.h> | |
3143bbb4 | 19 | #include <linux/micrel_phy.h> |
ab2815c3 | 20 | #include <linux/mxsfb.h> |
bc3a59c1 DA |
21 | #include <linux/of_irq.h> |
22 | #include <linux/of_platform.h> | |
3143bbb4 | 23 | #include <linux/phy.h> |
bc3a59c1 DA |
24 | #include <asm/mach/arch.h> |
25 | #include <asm/mach/time.h> | |
26 | #include <mach/common.h> | |
27 | ||
ab2815c3 SG |
28 | static struct fb_videomode mx23evk_video_modes[] = { |
29 | { | |
30 | .name = "Samsung-LMS430HF02", | |
31 | .refresh = 60, | |
32 | .xres = 480, | |
33 | .yres = 272, | |
34 | .pixclock = 108096, /* picosecond (9.2 MHz) */ | |
35 | .left_margin = 15, | |
36 | .right_margin = 8, | |
37 | .upper_margin = 12, | |
38 | .lower_margin = 4, | |
39 | .hsync_len = 1, | |
40 | .vsync_len = 1, | |
41 | .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT | | |
42 | FB_SYNC_DOTCLK_FAILING_ACT, | |
43 | }, | |
44 | }; | |
45 | ||
46 | static struct fb_videomode mx28evk_video_modes[] = { | |
47 | { | |
48 | .name = "Seiko-43WVF1G", | |
49 | .refresh = 60, | |
50 | .xres = 800, | |
51 | .yres = 480, | |
52 | .pixclock = 29851, /* picosecond (33.5 MHz) */ | |
53 | .left_margin = 89, | |
54 | .right_margin = 164, | |
55 | .upper_margin = 23, | |
56 | .lower_margin = 10, | |
57 | .hsync_len = 10, | |
58 | .vsync_len = 10, | |
59 | .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT | | |
60 | FB_SYNC_DOTCLK_FAILING_ACT, | |
61 | }, | |
62 | }; | |
63 | ||
8fa62e11 MV |
64 | static struct fb_videomode m28evk_video_modes[] = { |
65 | { | |
66 | .name = "Ampire AM-800480R2TMQW-T01H", | |
67 | .refresh = 60, | |
68 | .xres = 800, | |
69 | .yres = 480, | |
70 | .pixclock = 30066, /* picosecond (33.26 MHz) */ | |
71 | .left_margin = 0, | |
72 | .right_margin = 256, | |
73 | .upper_margin = 0, | |
74 | .lower_margin = 45, | |
75 | .hsync_len = 1, | |
76 | .vsync_len = 1, | |
77 | .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT, | |
78 | }, | |
79 | }; | |
80 | ||
d8bb823d LH |
81 | static struct fb_videomode apx4devkit_video_modes[] = { |
82 | { | |
83 | .name = "HannStar PJ70112A", | |
84 | .refresh = 60, | |
85 | .xres = 800, | |
86 | .yres = 480, | |
87 | .pixclock = 33333, /* picosecond (30.00 MHz) */ | |
88 | .left_margin = 88, | |
89 | .right_margin = 40, | |
90 | .upper_margin = 32, | |
91 | .lower_margin = 13, | |
92 | .hsync_len = 48, | |
93 | .vsync_len = 3, | |
94 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | | |
95 | FB_SYNC_DATA_ENABLE_HIGH_ACT | | |
96 | FB_SYNC_DOTCLK_FAILING_ACT, | |
97 | }, | |
98 | }; | |
99 | ||
ab2815c3 SG |
100 | static struct mxsfb_platform_data mxsfb_pdata __initdata; |
101 | ||
102 | static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = { | |
103 | OF_DEV_AUXDATA("fsl,imx23-lcdif", 0x80030000, NULL, &mxsfb_pdata), | |
104 | OF_DEV_AUXDATA("fsl,imx28-lcdif", 0x80030000, NULL, &mxsfb_pdata), | |
105 | { /* sentinel */ } | |
106 | }; | |
107 | ||
bc3a59c1 DA |
108 | static int __init mxs_icoll_add_irq_domain(struct device_node *np, |
109 | struct device_node *interrupt_parent) | |
110 | { | |
111 | irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL); | |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
ce4c6f9b SG |
116 | static int __init mxs_gpio_add_irq_domain(struct device_node *np, |
117 | struct device_node *interrupt_parent) | |
118 | { | |
119 | static int gpio_irq_base = MXS_GPIO_IRQ_START; | |
120 | ||
121 | irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, NULL); | |
122 | gpio_irq_base += 32; | |
123 | ||
124 | return 0; | |
125 | } | |
126 | ||
bc3a59c1 DA |
127 | static const struct of_device_id mxs_irq_match[] __initconst = { |
128 | { .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, }, | |
ce4c6f9b | 129 | { .compatible = "fsl,mxs-gpio", .data = mxs_gpio_add_irq_domain, }, |
bc3a59c1 DA |
130 | { /* sentinel */ } |
131 | }; | |
132 | ||
133 | static void __init mxs_dt_init_irq(void) | |
134 | { | |
135 | icoll_init_irq(); | |
136 | of_irq_init(mxs_irq_match); | |
137 | } | |
138 | ||
2954ff39 SG |
139 | static void __init imx23_timer_init(void) |
140 | { | |
141 | mx23_clocks_init(); | |
142 | } | |
143 | ||
144 | static struct sys_timer imx23_timer = { | |
145 | .init = imx23_timer_init, | |
146 | }; | |
147 | ||
bc3a59c1 DA |
148 | static void __init imx28_timer_init(void) |
149 | { | |
150 | mx28_clocks_init(); | |
151 | } | |
152 | ||
153 | static struct sys_timer imx28_timer = { | |
154 | .init = imx28_timer_init, | |
155 | }; | |
156 | ||
5653acc2 SG |
157 | enum mac_oui { |
158 | OUI_FSL, | |
159 | OUI_DENX, | |
160 | }; | |
161 | ||
162 | static void __init update_fec_mac_prop(enum mac_oui oui) | |
163 | { | |
164 | struct device_node *np, *from = NULL; | |
fa7c865a | 165 | struct property *newmac; |
5653acc2 SG |
166 | const u32 *ocotp = mxs_get_ocotp(); |
167 | u8 *macaddr; | |
168 | u32 val; | |
169 | int i; | |
170 | ||
171 | for (i = 0; i < 2; i++) { | |
172 | np = of_find_compatible_node(from, NULL, "fsl,imx28-fec"); | |
173 | if (!np) | |
174 | return; | |
175 | from = np; | |
176 | ||
177 | newmac = kzalloc(sizeof(*newmac) + 6, GFP_KERNEL); | |
178 | if (!newmac) | |
179 | return; | |
180 | newmac->value = newmac + 1; | |
181 | newmac->length = 6; | |
182 | ||
183 | newmac->name = kstrdup("local-mac-address", GFP_KERNEL); | |
184 | if (!newmac->name) { | |
185 | kfree(newmac); | |
186 | return; | |
187 | } | |
188 | ||
189 | /* | |
190 | * OCOTP only stores the last 4 octets for each mac address, | |
191 | * so hard-code OUI here. | |
192 | */ | |
193 | macaddr = newmac->value; | |
194 | switch (oui) { | |
195 | case OUI_FSL: | |
196 | macaddr[0] = 0x00; | |
197 | macaddr[1] = 0x04; | |
198 | macaddr[2] = 0x9f; | |
199 | break; | |
200 | case OUI_DENX: | |
201 | macaddr[0] = 0xc0; | |
202 | macaddr[1] = 0xe5; | |
203 | macaddr[2] = 0x4e; | |
204 | break; | |
205 | } | |
206 | val = ocotp[i]; | |
207 | macaddr[3] = (val >> 16) & 0xff; | |
208 | macaddr[4] = (val >> 8) & 0xff; | |
209 | macaddr[5] = (val >> 0) & 0xff; | |
210 | ||
fa7c865a | 211 | prom_update_property(np, newmac); |
5653acc2 SG |
212 | } |
213 | } | |
214 | ||
ab2815c3 SG |
215 | static void __init imx23_evk_init(void) |
216 | { | |
217 | mxsfb_pdata.mode_list = mx23evk_video_modes; | |
218 | mxsfb_pdata.mode_count = ARRAY_SIZE(mx23evk_video_modes); | |
219 | mxsfb_pdata.default_bpp = 32; | |
220 | mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; | |
221 | } | |
222 | ||
8fa62e11 | 223 | static inline void enable_clk_enet_out(void) |
bc3a59c1 | 224 | { |
8fa62e11 | 225 | struct clk *clk = clk_get_sys("enet_out", NULL); |
bc3a59c1 | 226 | |
bc3a59c1 DA |
227 | if (!IS_ERR(clk)) |
228 | clk_prepare_enable(clk); | |
8fa62e11 | 229 | } |
5653acc2 | 230 | |
8fa62e11 MV |
231 | static void __init imx28_evk_init(void) |
232 | { | |
233 | enable_clk_enet_out(); | |
5653acc2 | 234 | update_fec_mac_prop(OUI_FSL); |
ab2815c3 SG |
235 | |
236 | mxsfb_pdata.mode_list = mx28evk_video_modes; | |
237 | mxsfb_pdata.mode_count = ARRAY_SIZE(mx28evk_video_modes); | |
238 | mxsfb_pdata.default_bpp = 32; | |
239 | mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; | |
bc3a59c1 DA |
240 | } |
241 | ||
8fa62e11 MV |
242 | static void __init m28evk_init(void) |
243 | { | |
244 | enable_clk_enet_out(); | |
245 | update_fec_mac_prop(OUI_DENX); | |
246 | ||
247 | mxsfb_pdata.mode_list = m28evk_video_modes; | |
248 | mxsfb_pdata.mode_count = ARRAY_SIZE(m28evk_video_modes); | |
249 | mxsfb_pdata.default_bpp = 16; | |
250 | mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT; | |
251 | } | |
252 | ||
3143bbb4 SG |
253 | static int apx4devkit_phy_fixup(struct phy_device *phy) |
254 | { | |
255 | phy->dev_flags |= MICREL_PHY_50MHZ_CLK; | |
256 | return 0; | |
257 | } | |
258 | ||
259 | static void __init apx4devkit_init(void) | |
260 | { | |
261 | enable_clk_enet_out(); | |
262 | ||
263 | if (IS_BUILTIN(CONFIG_PHYLIB)) | |
264 | phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK, | |
265 | apx4devkit_phy_fixup); | |
d8bb823d LH |
266 | |
267 | mxsfb_pdata.mode_list = apx4devkit_video_modes; | |
268 | mxsfb_pdata.mode_count = ARRAY_SIZE(apx4devkit_video_modes); | |
269 | mxsfb_pdata.default_bpp = 32; | |
270 | mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; | |
3143bbb4 SG |
271 | } |
272 | ||
bc3a59c1 DA |
273 | static void __init mxs_machine_init(void) |
274 | { | |
275 | if (of_machine_is_compatible("fsl,imx28-evk")) | |
276 | imx28_evk_init(); | |
ab2815c3 SG |
277 | else if (of_machine_is_compatible("fsl,imx23-evk")) |
278 | imx23_evk_init(); | |
8fa62e11 MV |
279 | else if (of_machine_is_compatible("denx,m28evk")) |
280 | m28evk_init(); | |
3143bbb4 SG |
281 | else if (of_machine_is_compatible("bluegiga,apx4devkit")) |
282 | apx4devkit_init(); | |
bc3a59c1 DA |
283 | |
284 | of_platform_populate(NULL, of_default_bus_match_table, | |
ab2815c3 | 285 | mxs_auxdata_lookup, NULL); |
bc3a59c1 DA |
286 | } |
287 | ||
2954ff39 SG |
288 | static const char *imx23_dt_compat[] __initdata = { |
289 | "fsl,imx23-evk", | |
dd852aa5 | 290 | "fsl,stmp378x_devb" |
b9df4491 | 291 | "olimex,imx23-olinuxino", |
2954ff39 SG |
292 | "fsl,imx23", |
293 | NULL, | |
294 | }; | |
295 | ||
bc3a59c1 | 296 | static const char *imx28_dt_compat[] __initdata = { |
3143bbb4 | 297 | "bluegiga,apx4devkit", |
330eaaf9 | 298 | "crystalfontz,cfa10036", |
8fa62e11 | 299 | "denx,m28evk", |
bc3a59c1 | 300 | "fsl,imx28-evk", |
e1a4d18f | 301 | "karo,tx28", |
bc3a59c1 DA |
302 | "fsl,imx28", |
303 | NULL, | |
304 | }; | |
305 | ||
2954ff39 SG |
306 | DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)") |
307 | .map_io = mx23_map_io, | |
308 | .init_irq = mxs_dt_init_irq, | |
309 | .timer = &imx23_timer, | |
310 | .init_machine = mxs_machine_init, | |
311 | .dt_compat = imx23_dt_compat, | |
312 | .restart = mxs_restart, | |
313 | MACHINE_END | |
314 | ||
bc3a59c1 DA |
315 | DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)") |
316 | .map_io = mx28_map_io, | |
317 | .init_irq = mxs_dt_init_irq, | |
318 | .timer = &imx28_timer, | |
319 | .init_machine = mxs_machine_init, | |
320 | .dt_compat = imx28_dt_compat, | |
321 | .restart = mxs_restart, | |
322 | MACHINE_END |