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12#include <asm/arch/clock.h>
13#include <asm/arch/imx-regs.h>
14#include <asm/arch/iomux.h>
15#include <asm/arch/mx6-pins.h>
16#include <linux/errno.h>
17#include <asm/gpio.h>
18#include <asm/mach-imx/iomux-v3.h>
19#include <asm/mach-imx/boot_mode.h>
20#include <asm/mach-imx/mxc_i2c.h>
21#include <asm/mach-imx/video.h>
22#include <mmc.h>
23#include <fsl_esdhc.h>
24#include <miiphy.h>
25#include <netdev.h>
26#include <asm/arch/mxc_hdmi.h>
27#include <asm/arch/crm_regs.h>
28#include <linux/fb.h>
29#include <ipu_pixfmt.h>
30#include <asm/io.h>
31#include <asm/arch/sys_proto.h>
32#include <pwm.h>
33#include <micrel.h>
34#include <spi.h>
35#include <video.h>
36#include <../drivers/video/ipu.h>
37#if defined(CONFIG_VIDEO_BMP_LOGO)
38 #include <bmp_logo.h>
39#endif
40
41#define USDHC2_PAD_CTRL (PAD_CTL_SPEED_LOW | \
42 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
43
44#if (CONFIG_SYS_BOARD_VERSION == 2)
45
46 #define ECSPI1_CS0 IMX_GPIO_NR(4, 9)
47 #define ECSPI4_CS0 IMX_GPIO_NR(3, 29)
48#elif (CONFIG_SYS_BOARD_VERSION == 3)
49 #define ECSPI1_CS0 IMX_GPIO_NR(2, 30)
50
51 #define ECSPI1_CS1 IMX_GPIO_NR(4, 10)
52#endif
53
54#define SOFT_RESET_GPIO IMX_GPIO_NR(7, 13)
55#define SD2_DRIVER_ENABLE IMX_GPIO_NR(7, 8)
56
57struct i2c_pads_info i2c_pad_info3 = {
58 .scl = {
59 .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL | PC,
60 .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05 | PC,
61 .gp = IMX_GPIO_NR(1, 5)
62 },
63 .sda = {
64 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | PC,
65 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | PC,
66 .gp = IMX_GPIO_NR(1, 6)
67 }
68};
69
70struct i2c_pads_info i2c_pad_info4 = {
71 .scl = {
72 .i2c_mode = MX6_PAD_GPIO_7__I2C4_SCL | PC,
73 .gpio_mode = MX6_PAD_GPIO_7__GPIO1_IO07 | PC,
74 .gp = IMX_GPIO_NR(1, 7)
75 },
76 .sda = {
77 .i2c_mode = MX6_PAD_GPIO_8__I2C4_SDA | PC,
78 .gpio_mode = MX6_PAD_GPIO_8__GPIO1_IO08 | PC,
79 .gp = IMX_GPIO_NR(1, 8)
80 }
81};
82
83iomux_v3_cfg_t const uart1_pads[] = {
84 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
85 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
86 MX6_PAD_EIM_D19__UART1_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
87 MX6_PAD_EIM_D20__UART1_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
88};
89
90iomux_v3_cfg_t const uart2_pads[] = {
91 MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
92 MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
93};
94
95iomux_v3_cfg_t const uart3_pads[] = {
96 MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
97 MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
98 MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
99 MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
100};
101
102iomux_v3_cfg_t const uart4_pads[] = {
103 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
104 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
105};
106
107iomux_v3_cfg_t const gpio_pads[] = {
108
109 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
110
111 MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL),
112
113#if (CONFIG_SYS_BOARD_VERSION == 2)
114 MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
115#elif (CONFIG_SYS_BOARD_VERSION == 3)
116 MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
117#endif
118
119 MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
120
121 MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
122
123 MX6_PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
124
125 MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
126
127 MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL),
128
129 MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL),
130
131 MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
132
133 MX6_PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL),
134
135 MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL),
136
137 MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
138
139 MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
140
141 MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
142};
143
144static iomux_v3_cfg_t const misc_pads[] = {
145
146 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
147
148 MX6_PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
149
150 MX6_PAD_KEY_ROW4__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
151};
152
153iomux_v3_cfg_t const enet_pads[] = {
154 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
155 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
156 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
157 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
158 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
159 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
160 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
161 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
162 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
163 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
164 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
165 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
166 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
167 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
168 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
169};
170
171static iomux_v3_cfg_t const backlight_pads[] = {
172
173 MX6_PAD_GPIO_9__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
174
175 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL),
176
177 MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
178};
179
180static iomux_v3_cfg_t const ecspi1_pads[] = {
181 MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
182 MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
183 MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
184#if (CONFIG_SYS_BOARD_VERSION == 2)
185 MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(SPI_PAD_CTRL),
186#elif (CONFIG_SYS_BOARD_VERSION == 3)
187 MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(SPI_PAD_CTRL),
188 MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
189#endif
190};
191
192static void setup_iomux_enet(void)
193{
194 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
195}
196
197#if (CONFIG_SYS_BOARD_VERSION == 2)
198iomux_v3_cfg_t const ecspi4_pads[] = {
199 MX6_PAD_EIM_D21__ECSPI4_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL),
200 MX6_PAD_EIM_D22__ECSPI4_MISO | MUX_PAD_CTRL(NO_PAD_CTRL),
201 MX6_PAD_EIM_D28__ECSPI4_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL),
202 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL),
203 MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
204};
205#endif
206
207static iomux_v3_cfg_t const display_pads[] = {
208 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(DISP_PAD_CTRL),
209 MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15,
210 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,
211 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,
212 MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00,
213 MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01,
214 MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02,
215 MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03,
216 MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04,
217 MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05,
218 MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06,
219 MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07,
220 MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08,
221 MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09,
222 MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10,
223 MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11,
224 MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12,
225 MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13,
226 MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14,
227 MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15,
228 MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16,
229 MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17,
230 MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18,
231 MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19,
232 MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20,
233 MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21,
234 MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22,
235 MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23,
236};
237
238int board_spi_cs_gpio(unsigned bus, unsigned cs)
239{
240 if (bus == CONFIG_SF_DEFAULT_BUS && cs == CONFIG_SF_DEFAULT_CS)
241#if (CONFIG_SYS_BOARD_VERSION == 2)
242 return IMX_GPIO_NR(5, 2);
243
244 if (bus == 0 && cs == 0)
245 return IMX_GPIO_NR(4, 9);
246#elif (CONFIG_SYS_BOARD_VERSION == 3)
247 return ECSPI1_CS0;
248
249 if (bus == 0 && cs == 1)
250 return ECSPI1_CS1;
251#endif
252 return -1;
253}
254
255static void setup_spi(void)
256{
257 int i;
258
259 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
260
261#if (CONFIG_SYS_BOARD_VERSION == 2)
262 imx_iomux_v3_setup_multiple_pads(ecspi4_pads, ARRAY_SIZE(ecspi4_pads));
263#endif
264
265 for (i = 0; i < 4; i++)
266 enable_spi_clk(true, i);
267
268 gpio_direction_output(ECSPI1_CS0, 1);
269#if (CONFIG_SYS_BOARD_VERSION == 2)
270 gpio_direction_output(ECSPI4_CS1, 0);
271
272 gpio_direction_output(ECSPI4_CS0, 1);
273#elif (CONFIG_SYS_BOARD_VERSION == 3)
274 gpio_direction_output(ECSPI1_CS1, 1);
275#endif
276}
277
278static void setup_iomux_uart(void)
279{
280 switch (CONFIG_MXC_UART_BASE) {
281 case UART1_BASE:
282 imx_iomux_v3_setup_multiple_pads(uart1_pads,
283 ARRAY_SIZE(uart1_pads));
284 break;
285 case UART2_BASE:
286 imx_iomux_v3_setup_multiple_pads(uart2_pads,
287 ARRAY_SIZE(uart2_pads));
288 break;
289 case UART3_BASE:
290 imx_iomux_v3_setup_multiple_pads(uart3_pads,
291 ARRAY_SIZE(uart3_pads));
292 break;
293 case UART4_BASE:
294 imx_iomux_v3_setup_multiple_pads(uart4_pads,
295 ARRAY_SIZE(uart4_pads));
296 break;
297 }
298}
299
300int board_phy_config(struct phy_device *phydev)
301{
302
303 ksz9031_phy_extended_write(phydev, 0x02,
304 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
305 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
306
307 ksz9031_phy_extended_write(phydev, 0x02,
308 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
309 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
310
311 ksz9031_phy_extended_write(phydev, 0x02,
312 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
313 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
314
315 ksz9031_phy_extended_write(phydev, 0x02,
316 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
317 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
318
319 if (phydev->drv->config)
320 phydev->drv->config(phydev);
321
322 return 0;
323}
324
325int board_eth_init(bd_t *bis)
326{
327 setup_iomux_enet();
328 return cpu_eth_init(bis);
329}
330
331static int rotate_logo_one(unsigned char *out, unsigned char *in)
332{
333 int i, j;
334
335 for (i = 0; i < BMP_LOGO_WIDTH; i++)
336 for (j = 0; j < BMP_LOGO_HEIGHT; j++)
337 out[j * BMP_LOGO_WIDTH + BMP_LOGO_HEIGHT - 1 - i] =
338 in[i * BMP_LOGO_WIDTH + j];
339 return 0;
340}
341
342
343
344
345
346
347void rotate_logo(int rotations)
348{
349 unsigned char out_logo[BMP_LOGO_WIDTH * BMP_LOGO_HEIGHT];
350 unsigned char *in_logo;
351 int i, j;
352
353 if (BMP_LOGO_WIDTH != BMP_LOGO_HEIGHT)
354 return;
355
356 in_logo = bmp_logo_bitmap;
357
358
359 if (rotations == 1 || rotations == 2 || rotations == 3)
360 rotate_logo_one(out_logo, in_logo);
361
362
363 if (rotations == 2 || rotations == 3)
364 rotate_logo_one(in_logo, out_logo);
365
366
367 if (rotations == 3)
368 rotate_logo_one(out_logo, in_logo);
369
370
371 if (rotations == 1 || rotations == 3)
372 for (i = 0; i < BMP_LOGO_WIDTH; i++)
373 for (j = 0; j < BMP_LOGO_HEIGHT; j++)
374 in_logo[i * BMP_LOGO_WIDTH + j] =
375 out_logo[i * BMP_LOGO_WIDTH + j];
376}
377
378static void enable_display_power(void)
379{
380 imx_iomux_v3_setup_multiple_pads(backlight_pads,
381 ARRAY_SIZE(backlight_pads));
382
383
384 gpio_direction_output(IMX_GPIO_NR(6, 31), 1);
385
386 gpio_direction_output(IMX_GPIO_NR(6, 15), 1);
387
388
389 if (pwm_init(0, 0, 0))
390 goto error;
391
392 if (pwm_config(0, 50000, 300000))
393 goto error;
394 if (pwm_enable(0))
395 goto error;
396 return;
397
398error:
399 puts("error init pwm for backlight\n");
400 return;
401}
402
403static void enable_lvds(struct display_info_t const *dev)
404{
405 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
406 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
407 int reg;
408 s32 timeout = 100000;
409
410
411 reg = readl(&ccm->analog_pll_video);
412 reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN;
413 writel(reg, &ccm->analog_pll_video);
414
415
416 reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
417 reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(0x26);
418 reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
419 reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0);
420 writel(reg, &ccm->analog_pll_video);
421
422 writel(BF_ANADIG_PLL_VIDEO_NUM_A(0xC0238),
423 &ccm->analog_pll_video_num);
424 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(0xF4240),
425 &ccm->analog_pll_video_denom);
426
427 reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
428 writel(reg, &ccm->analog_pll_video);
429
430 while (timeout--)
431 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
432 break;
433 if (timeout < 0)
434 printf("Warning: video pll lock timeout!\n");
435
436 reg = readl(&ccm->analog_pll_video);
437 reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
438 reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
439 writel(reg, &ccm->analog_pll_video);
440
441
442 reg = readl(&ccm->cs2cdr);
443 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
444 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
445 reg |= (0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
446 | (0 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
447 writel(reg, &ccm->cs2cdr);
448
449 reg = readl(&ccm->cscmr2);
450 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
451 writel(reg, &ccm->cscmr2);
452
453 reg = readl(&ccm->chsccdr);
454 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
455 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
456 writel(reg, &ccm->chsccdr);
457
458 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
459 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
460 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH
461 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
462 | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT
463 | IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
464 | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
465 writel(reg, &iomux->gpr[2]);
466
467 reg = readl(&iomux->gpr[3]);
468 reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
469 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
470 << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
471 writel(reg, &iomux->gpr[3]);
472
473 return;
474}
475
476static void enable_spi_display(struct display_info_t const *dev)
477{
478 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
479 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
480 int reg;
481 s32 timeout = 100000;
482
483#if defined(CONFIG_VIDEO_BMP_LOGO)
484 rotate_logo(3);
485#endif
486
487
488
489
490
491
492
493
494 ipu_set_ldb_clock(28341000);
495
496 reg = readl(&ccm->cs2cdr);
497
498
499 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
500 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
501 writel(reg, &ccm->cs2cdr);
502
503
504 reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
505 reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(0x21);
506 reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
507 reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0);
508 writel(reg, &ccm->analog_pll_video);
509
510 writel(BF_ANADIG_PLL_VIDEO_NUM_A(0xfbf4),
511 &ccm->analog_pll_video_num);
512 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(0xf4240),
513 &ccm->analog_pll_video_denom);
514
515 reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
516 writel(reg, &ccm->analog_pll_video);
517
518 while (timeout--)
519 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
520 break;
521 if (timeout < 0)
522 printf("Warning: video pll lock timeout!\n");
523
524 reg = readl(&ccm->analog_pll_video);
525 reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
526 reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
527 writel(reg, &ccm->analog_pll_video);
528
529
530 reg = readl(&ccm->cs2cdr);
531 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
532 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
533 reg |= (0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
534 | (0 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
535 writel(reg, &ccm->cs2cdr);
536
537 reg = readl(&ccm->cscmr2);
538 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
539 writel(reg, &ccm->cscmr2);
540
541 reg = readl(&ccm->chsccdr);
542 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
543 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
544 reg &= ~MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK;
545 reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET);
546 reg &= ~MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK;
547 reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET);
548 writel(reg, &ccm->chsccdr);
549
550 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
551 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
552 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH
553 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
554 | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT
555 | IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
556 | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
557 writel(reg, &iomux->gpr[2]);
558
559 reg = readl(&iomux->gpr[3]);
560 reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
561 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
562 << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
563 writel(reg, &iomux->gpr[3]);
564
565 imx_iomux_v3_setup_multiple_pads(
566 display_pads,
567 ARRAY_SIZE(display_pads));
568
569 return;
570}
571static void setup_display(void)
572{
573 enable_ipu_clock();
574 enable_display_power();
575}
576
577static void setup_iomux_gpio(void)
578{
579 imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
580}
581
582static void set_gpr_register(void)
583{
584 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
585
586 writel(IOMUXC_GPR1_APP_CLK_REQ_N | IOMUXC_GPR1_PCIE_RDY_L23 |
587 IOMUXC_GPR1_EXC_MON_SLVE |
588 (2 << IOMUXC_GPR1_ADDRS0_OFFSET) |
589 IOMUXC_GPR1_ACT_CS0,
590 &iomuxc_regs->gpr[1]);
591 writel(0x0, &iomuxc_regs->gpr[8]);
592 writel(IOMUXC_GPR12_ARMP_IPG_CLK_EN | IOMUXC_GPR12_ARMP_AHB_CLK_EN |
593 IOMUXC_GPR12_ARMP_ATB_CLK_EN | IOMUXC_GPR12_ARMP_APB_CLK_EN,
594 &iomuxc_regs->gpr[12]);
595}
596
597int board_early_init_f(void)
598{
599 setup_iomux_uart();
600 setup_iomux_gpio();
601
602 gpio_direction_output(SOFT_RESET_GPIO, 1);
603 gpio_direction_output(SD2_DRIVER_ENABLE, 1);
604 setup_display();
605 set_gpr_register();
606 return 0;
607}
608
609static void setup_i2c4(void)
610{
611 setup_i2c(3, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE,
612 &i2c_pad_info4);
613}
614
615static void setup_board_gpio(void)
616{
617
618 gpio_request(IMX_GPIO_NR(2, 13), "LED ena");
619 gpio_direction_output(IMX_GPIO_NR(1, 25), 0);
620
621
622#if (CONFIG_SYS_BOARD_VERSION == 2)
623 gpio_request(IMX_GPIO_NR(6, 16), "LED yellow");
624 gpio_direction_output(IMX_GPIO_NR(6, 16), 1);
625 gpio_request(IMX_GPIO_NR(2, 28), "LED red");
626 gpio_direction_output(IMX_GPIO_NR(2, 28), 1);
627 gpio_request(IMX_GPIO_NR(5, 4), "LED green");
628 gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
629 gpio_request(IMX_GPIO_NR(2, 29), "LED blue");
630 gpio_direction_output(IMX_GPIO_NR(2, 29), 1);
631#elif (CONFIG_SYS_BOARD_VERSION == 3)
632 gpio_request(IMX_GPIO_NR(6, 16), "LED yellow");
633 gpio_direction_output(IMX_GPIO_NR(6, 16), 0);
634 gpio_request(IMX_GPIO_NR(5, 0), "LED red");
635 gpio_direction_output(IMX_GPIO_NR(5, 0), 0);
636 gpio_request(IMX_GPIO_NR(5, 4), "LED green");
637 gpio_direction_output(IMX_GPIO_NR(5, 4), 0);
638 gpio_request(IMX_GPIO_NR(2, 29), "LED blue");
639 gpio_direction_output(IMX_GPIO_NR(2, 29), 0);
640#endif
641}
642
643static void setup_board_spi(void)
644{
645
646 gpio_direction_output(IMX_GPIO_NR(6, 6), 1);
647}
648
649int board_late_init(void)
650{
651 char *my_bootdelay;
652 char bootmode = 0;
653 char const *panel = env_get("panel");
654
655
656
657
658
659 gpio_request(IMX_GPIO_NR(7, 6), "bootsel0");
660 gpio_direction_input(IMX_GPIO_NR(7, 6));
661 gpio_request(IMX_GPIO_NR(7, 7), "bootsel1");
662 gpio_direction_input(IMX_GPIO_NR(7, 7));
663 gpio_request(IMX_GPIO_NR(7, 1), "bootsel2");
664 gpio_direction_input(IMX_GPIO_NR(7, 1));
665 bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 6)) ? 1 : 0) << 0;
666 bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 7)) ? 1 : 0) << 1;
667 bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 1)) ? 1 : 0) << 2;
668
669 if (bootmode == 7) {
670 my_bootdelay = env_get("nor_bootdelay");
671 if (my_bootdelay != NULL)
672 env_set("bootdelay", my_bootdelay);
673 else
674 env_set("bootdelay", "-2");
675 }
676
677
678 if (panel)
679 if (!strcmp(panel, displays[1].mode.name))
680 lg4573_spi_startup(CONFIG_LG4573_BUS,
681 CONFIG_LG4573_CS,
682 10000000, SPI_MODE_0);
683
684 return 0;
685}
686
