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[people/ms/u-boot.git] / board / ge / bx50v3 / bx50v3.c
1 /*
2 * Copyright 2015 Timesys Corporation
3 * Copyright 2015 General Electric Company
4 * Copyright 2012 Freescale Semiconductor, Inc.
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9 #include <asm/arch/clock.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/mx6-pins.h>
13 #include <linux/errno.h>
14 #include <asm/gpio.h>
15 #include <asm/imx-common/mxc_i2c.h>
16 #include <asm/imx-common/iomux-v3.h>
17 #include <asm/imx-common/boot_mode.h>
18 #include <asm/imx-common/video.h>
19 #include <mmc.h>
20 #include <fsl_esdhc.h>
21 #include <miiphy.h>
22 #include <netdev.h>
23 #include <asm/arch/mxc_hdmi.h>
24 #include <asm/arch/crm_regs.h>
25 #include <asm/io.h>
26 #include <asm/arch/sys_proto.h>
27 #include <i2c.h>
28 #include <pwm.h>
29 DECLARE_GLOBAL_DATA_PTR;
30
31 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
33 PAD_CTL_HYS)
34
35 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
36 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
37 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
38
39 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
40 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
41 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
42
43 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
44 PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
45
46 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
47 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
48
49 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
50 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
51
52 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
53 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
54
55 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
56 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
57 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
58
59 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
60
61 int dram_init(void)
62 {
63 gd->ram_size = imx_ddr_size();
64
65 return 0;
66 }
67
68 static iomux_v3_cfg_t const uart3_pads[] = {
69 MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
70 MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
71 MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
72 MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
73 };
74
75 static iomux_v3_cfg_t const uart4_pads[] = {
76 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
77 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
78 };
79
80 static iomux_v3_cfg_t const enet_pads[] = {
81 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
82 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
83 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
85 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
86 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
87 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
88 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
89 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
90 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
91 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
92 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
93 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
94 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
95 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
96 /* AR8033 PHY Reset */
97 MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
98 };
99
100 static void setup_iomux_enet(void)
101 {
102 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
103
104 /* Reset AR8033 PHY */
105 gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
106 mdelay(10);
107 gpio_set_value(IMX_GPIO_NR(1, 28), 1);
108 mdelay(1);
109 }
110
111 static iomux_v3_cfg_t const usdhc2_pads[] = {
112 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
113 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
114 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
115 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
116 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
117 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
118 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
119 };
120
121 static iomux_v3_cfg_t const usdhc3_pads[] = {
122 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
129 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
130 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
131 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133 };
134
135 static iomux_v3_cfg_t const usdhc4_pads[] = {
136 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
141 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
142 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
143 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
144 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
145 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
146 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
147 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
148 };
149
150 static iomux_v3_cfg_t const ecspi1_pads[] = {
151 MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
152 MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
153 MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
154 MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
155 };
156
157 static struct i2c_pads_info i2c_pad_info1 = {
158 .scl = {
159 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
160 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
161 .gp = IMX_GPIO_NR(5, 27)
162 },
163 .sda = {
164 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
165 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
166 .gp = IMX_GPIO_NR(5, 26)
167 }
168 };
169
170 static struct i2c_pads_info i2c_pad_info2 = {
171 .scl = {
172 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
173 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
174 .gp = IMX_GPIO_NR(4, 12)
175 },
176 .sda = {
177 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
178 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
179 .gp = IMX_GPIO_NR(4, 13)
180 }
181 };
182
183 static struct i2c_pads_info i2c_pad_info3 = {
184 .scl = {
185 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
186 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
187 .gp = IMX_GPIO_NR(1, 3)
188 },
189 .sda = {
190 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
191 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
192 .gp = IMX_GPIO_NR(1, 6)
193 }
194 };
195
196 #ifdef CONFIG_MXC_SPI
197 int board_spi_cs_gpio(unsigned bus, unsigned cs)
198 {
199 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
200 }
201
202 static void setup_spi(void)
203 {
204 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
205 }
206 #endif
207
208 static iomux_v3_cfg_t const pcie_pads[] = {
209 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
210 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
211 };
212
213 static void setup_pcie(void)
214 {
215 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
216 }
217
218 static void setup_iomux_uart(void)
219 {
220 imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
221 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
222 }
223
224 #ifdef CONFIG_FSL_ESDHC
225 struct fsl_esdhc_cfg usdhc_cfg[3] = {
226 {USDHC2_BASE_ADDR},
227 {USDHC3_BASE_ADDR},
228 {USDHC4_BASE_ADDR},
229 };
230
231 #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
232 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
233
234 int board_mmc_getcd(struct mmc *mmc)
235 {
236 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
237 int ret = 0;
238
239 switch (cfg->esdhc_base) {
240 case USDHC2_BASE_ADDR:
241 ret = !gpio_get_value(USDHC2_CD_GPIO);
242 break;
243 case USDHC3_BASE_ADDR:
244 ret = 1; /* eMMC is always present */
245 break;
246 case USDHC4_BASE_ADDR:
247 ret = !gpio_get_value(USDHC4_CD_GPIO);
248 break;
249 }
250
251 return ret;
252 }
253
254 int board_mmc_init(bd_t *bis)
255 {
256 int ret;
257 int i;
258
259 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
260 switch (i) {
261 case 0:
262 imx_iomux_v3_setup_multiple_pads(
263 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
264 gpio_direction_input(USDHC2_CD_GPIO);
265 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
266 break;
267 case 1:
268 imx_iomux_v3_setup_multiple_pads(
269 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
270 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
271 break;
272 case 2:
273 imx_iomux_v3_setup_multiple_pads(
274 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
275 gpio_direction_input(USDHC4_CD_GPIO);
276 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
277 break;
278 default:
279 printf("Warning: you configured more USDHC controllers\n"
280 "(%d) then supported by the board (%d)\n",
281 i + 1, CONFIG_SYS_FSL_USDHC_NUM);
282 return -EINVAL;
283 }
284
285 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
286 if (ret)
287 return ret;
288 }
289
290 return 0;
291 }
292 #endif
293
294 static int mx6_rgmii_rework(struct phy_device *phydev)
295 {
296 /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
297 /* set device address 0x7 */
298 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
299 /* offset 0x8016: CLK_25M Clock Select */
300 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
301 /* enable register write, no post increment, address 0x7 */
302 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
303 /* set to 125 MHz from local PLL source */
304 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
305
306 /* rgmii tx clock delay enable */
307 /* set debug port address: SerDes Test and System Mode Control */
308 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
309 /* enable rgmii tx clock delay */
310 /* set the reserved bits to avoid board specific voltage peak issue*/
311 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
312
313 return 0;
314 }
315
316 int board_phy_config(struct phy_device *phydev)
317 {
318 mx6_rgmii_rework(phydev);
319
320 if (phydev->drv->config)
321 phydev->drv->config(phydev);
322
323 return 0;
324 }
325
326 #if defined(CONFIG_VIDEO_IPUV3)
327 static iomux_v3_cfg_t const backlight_pads[] = {
328 /* Power for LVDS Display */
329 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
330 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
331 /* Backlight enable for LVDS display */
332 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
333 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
334 /* backlight PWM brightness control */
335 MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
336 };
337
338 static void do_enable_hdmi(struct display_info_t const *dev)
339 {
340 imx_enable_hdmi_phy();
341 }
342
343 int board_cfb_skip(void)
344 {
345 gpio_direction_output(LVDS_POWER_GP, 1);
346
347 return 0;
348 }
349
350 static int detect_baseboard(struct display_info_t const *dev)
351 {
352 if (IS_ENABLED(CONFIG_TARGET_GE_B450V3) ||
353 IS_ENABLED(CONFIG_TARGET_GE_B650V3))
354 return 1;
355
356 return 0;
357 }
358
359 struct display_info_t const displays[] = {{
360 .bus = -1,
361 .addr = -1,
362 .pixfmt = IPU_PIX_FMT_RGB24,
363 .detect = detect_baseboard,
364 .enable = NULL,
365 .mode = {
366 .name = "G121X1-L03",
367 .refresh = 60,
368 .xres = 1024,
369 .yres = 768,
370 .pixclock = 15385,
371 .left_margin = 20,
372 .right_margin = 300,
373 .upper_margin = 30,
374 .lower_margin = 8,
375 .hsync_len = 1,
376 .vsync_len = 1,
377 .sync = FB_SYNC_EXT,
378 .vmode = FB_VMODE_NONINTERLACED
379 } }, {
380 .bus = -1,
381 .addr = 3,
382 .pixfmt = IPU_PIX_FMT_RGB24,
383 .detect = detect_hdmi,
384 .enable = do_enable_hdmi,
385 .mode = {
386 .name = "HDMI",
387 .refresh = 60,
388 .xres = 1024,
389 .yres = 768,
390 .pixclock = 15385,
391 .left_margin = 220,
392 .right_margin = 40,
393 .upper_margin = 21,
394 .lower_margin = 7,
395 .hsync_len = 60,
396 .vsync_len = 10,
397 .sync = FB_SYNC_EXT,
398 .vmode = FB_VMODE_NONINTERLACED
399 } } };
400 size_t display_count = ARRAY_SIZE(displays);
401
402 static void enable_videopll(void)
403 {
404 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
405 s32 timeout = 100000;
406
407 setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
408
409 /* set video pll to 910MHz (24MHz * (37+11/12))
410 * video pll post div to 910/4 = 227.5MHz
411 */
412 clrsetbits_le32(&ccm->analog_pll_video,
413 BM_ANADIG_PLL_VIDEO_DIV_SELECT |
414 BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
415 BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
416 BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0));
417
418 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
419 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
420
421 clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
422
423 while (timeout--)
424 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
425 break;
426
427 if (timeout < 0)
428 printf("Warning: video pll lock timeout!\n");
429
430 clrsetbits_le32(&ccm->analog_pll_video,
431 BM_ANADIG_PLL_VIDEO_BYPASS,
432 BM_ANADIG_PLL_VIDEO_ENABLE);
433 }
434
435 static void setup_display_b850v3(void)
436 {
437 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
438 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
439
440 enable_videopll();
441
442 /* IPU1 D0 clock is 227.5 / 3.5 = 65MHz */
443 clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
444
445 imx_setup_hdmi();
446
447 /* Set LDB_DI0 as clock source for IPU_DI0 */
448 clrsetbits_le32(&mxc_ccm->chsccdr,
449 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
450 (CHSCCDR_CLK_SEL_LDB_DI0 <<
451 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
452
453 /* Turn on IPU LDB DI0 clocks */
454 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
455
456 enable_ipu_clock();
457
458 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
459 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
460 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
461 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
462 IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
463 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
464 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
465 IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
466 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
467 IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
468 &iomux->gpr[2]);
469
470 clrbits_le32(&iomux->gpr[3],
471 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
472 IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
473 IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
474 }
475
476 static void setup_display_bx50v3(void)
477 {
478 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
479 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
480
481 /* When a reset/reboot is performed the display power needs to be turned
482 * off for atleast 500ms. The boot time is ~300ms, we need to wait for
483 * an additional 200ms here. Unfortunately we use external PMIC for
484 * doing the reset, so can not differentiate between POR vs soft reset
485 */
486 mdelay(200);
487
488 /* IPU1 DI0 clock is 480/7 = 68.5 MHz */
489 setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
490
491 /* Set LDB_DI0 as clock source for IPU_DI0 */
492 clrsetbits_le32(&mxc_ccm->chsccdr,
493 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
494 (CHSCCDR_CLK_SEL_LDB_DI0 <<
495 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
496
497 /* Turn on IPU LDB DI0 clocks */
498 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
499
500 enable_ipu_clock();
501
502 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
503 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
504 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
505 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
506 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
507 &iomux->gpr[2]);
508
509 clrsetbits_le32(&iomux->gpr[3],
510 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
511 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
512 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
513
514 /* backlights off until needed */
515 imx_iomux_v3_setup_multiple_pads(backlight_pads,
516 ARRAY_SIZE(backlight_pads));
517 gpio_direction_input(LVDS_POWER_GP);
518 gpio_direction_input(LVDS_BACKLIGHT_GP);
519 }
520 #endif /* CONFIG_VIDEO_IPUV3 */
521
522 /*
523 * Do not overwrite the console
524 * Use always serial for U-Boot console
525 */
526 int overwrite_console(void)
527 {
528 return 1;
529 }
530
531 int board_eth_init(bd_t *bis)
532 {
533 setup_iomux_enet();
534 setup_pcie();
535
536 return cpu_eth_init(bis);
537 }
538
539 static iomux_v3_cfg_t const misc_pads[] = {
540 MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
541 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
542 MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
543 MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
544 MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
545 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
546 MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
547 };
548 #define SUS_S3_OUT IMX_GPIO_NR(4, 11)
549 #define WIFI_EN IMX_GPIO_NR(6, 14)
550
551 int board_early_init_f(void)
552 {
553 imx_iomux_v3_setup_multiple_pads(misc_pads,
554 ARRAY_SIZE(misc_pads));
555
556 setup_iomux_uart();
557
558 #if defined(CONFIG_VIDEO_IPUV3)
559 if (IS_ENABLED(CONFIG_TARGET_GE_B850V3))
560 /* Set LDB clock to Video PLL */
561 select_ldb_di_clock_source(MXC_PLL5_CLK);
562 else
563 /* Set LDB clock to USB PLL */
564 select_ldb_di_clock_source(MXC_PLL3_SW_CLK);
565 #endif
566 return 0;
567 }
568
569 int board_init(void)
570 {
571 gpio_direction_output(SUS_S3_OUT, 1);
572 gpio_direction_output(WIFI_EN, 1);
573 #if defined(CONFIG_VIDEO_IPUV3)
574 if (IS_ENABLED(CONFIG_TARGET_GE_B850V3))
575 setup_display_b850v3();
576 else
577 setup_display_bx50v3();
578 #endif
579 /* address of boot parameters */
580 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
581
582 #ifdef CONFIG_MXC_SPI
583 setup_spi();
584 #endif
585 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
586 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
587 setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
588
589 return 0;
590 }
591
592 #ifdef CONFIG_CMD_BMODE
593 static const struct boot_mode board_boot_modes[] = {
594 /* 4 bit bus width */
595 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
596 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
597 {NULL, 0},
598 };
599 #endif
600
601 void pmic_init(void)
602 {
603 #define I2C_PMIC 0x2
604 #define DA9063_I2C_ADDR 0x58
605 #define DA9063_REG_BCORE2_CFG 0x9D
606 #define DA9063_REG_BCORE1_CFG 0x9E
607 #define DA9063_REG_BPRO_CFG 0x9F
608 #define DA9063_REG_BIO_CFG 0xA0
609 #define DA9063_REG_BMEM_CFG 0xA1
610 #define DA9063_REG_BPERI_CFG 0xA2
611 #define DA9063_BUCK_MODE_MASK 0xC0
612 #define DA9063_BUCK_MODE_MANUAL 0x00
613 #define DA9063_BUCK_MODE_SLEEP 0x40
614 #define DA9063_BUCK_MODE_SYNC 0x80
615 #define DA9063_BUCK_MODE_AUTO 0xC0
616
617 uchar val;
618
619 i2c_set_bus_num(I2C_PMIC);
620
621 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
622 val &= ~DA9063_BUCK_MODE_MASK;
623 val |= DA9063_BUCK_MODE_SYNC;
624 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
625
626 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
627 val &= ~DA9063_BUCK_MODE_MASK;
628 val |= DA9063_BUCK_MODE_SYNC;
629 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
630
631 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
632 val &= ~DA9063_BUCK_MODE_MASK;
633 val |= DA9063_BUCK_MODE_SYNC;
634 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
635
636 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
637 val &= ~DA9063_BUCK_MODE_MASK;
638 val |= DA9063_BUCK_MODE_SYNC;
639 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
640
641 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
642 val &= ~DA9063_BUCK_MODE_MASK;
643 val |= DA9063_BUCK_MODE_SYNC;
644 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
645
646 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
647 val &= ~DA9063_BUCK_MODE_MASK;
648 val |= DA9063_BUCK_MODE_SYNC;
649 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
650 }
651
652 int board_late_init(void)
653 {
654 #ifdef CONFIG_CMD_BMODE
655 add_board_boot_modes(board_boot_modes);
656 #endif
657
658 #ifdef CONFIG_VIDEO_IPUV3
659 /* We need at least 200ms between power on and backlight on
660 * as per specifications from CHI MEI */
661 mdelay(250);
662
663 /* enable backlight PWM 1 */
664 pwm_init(0, 0, 0);
665
666 /* duty cycle 5000000ns, period: 5000000ns */
667 pwm_config(0, 5000000, 5000000);
668
669 /* Backlight Power */
670 gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
671
672 pwm_enable(0);
673 #endif
674
675 /* board specific pmic init */
676 pmic_init();
677
678 return 0;
679 }
680
681 int checkboard(void)
682 {
683 printf("BOARD: %s\n", CONFIG_BOARD_NAME);
684 return 0;
685 }
"Das U-Boot" Source Tree