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