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1 | // SPDX-License-Identifier: GPL-2.0+ | |
2 | /* | |
3 | * Copyright 2016 Timesys Corporation | |
4 | * Copyright 2016 Advantech Corporation | |
5 | * Copyright 2012 Freescale Semiconductor, Inc. | |
6 | */ | |
7 | ||
8 | #include <init.h> | |
9 | #include <net.h> | |
10 | #include <asm/arch/clock.h> | |
11 | #include <asm/arch/imx-regs.h> | |
12 | #include <asm/arch/iomux.h> | |
13 | #include <asm/arch/mx6-pins.h> | |
14 | #include <asm/global_data.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/errno.h> | |
17 | #include <asm/gpio.h> | |
18 | #include <asm/mach-imx/mxc_i2c.h> | |
19 | #include <asm/mach-imx/iomux-v3.h> | |
20 | #include <asm/mach-imx/boot_mode.h> | |
21 | #include <asm/mach-imx/video.h> | |
22 | #include <mmc.h> | |
23 | #include <fsl_esdhc_imx.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 <asm/io.h> | |
29 | #include <asm/arch/sys_proto.h> | |
30 | #include <i2c.h> | |
31 | #include <input.h> | |
32 | #include <pwm.h> | |
33 | DECLARE_GLOBAL_DATA_PTR; | |
34 | ||
35 | #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ | |
36 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ | |
37 | PAD_CTL_HYS) | |
38 | ||
39 | #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ | |
40 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ | |
41 | PAD_CTL_SRE_FAST | PAD_CTL_HYS) | |
42 | ||
43 | #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ | |
44 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ | |
45 | PAD_CTL_SRE_FAST | PAD_CTL_HYS) | |
46 | ||
47 | #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ | |
48 | PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) | |
49 | ||
50 | #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ | |
51 | PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) | |
52 | ||
53 | #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ | |
54 | PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) | |
55 | ||
56 | #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ | |
57 | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) | |
58 | ||
59 | #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ | |
60 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ | |
61 | PAD_CTL_ODE | PAD_CTL_SRE_FAST) | |
62 | ||
63 | #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) | |
64 | ||
65 | int dram_init(void) | |
66 | { | |
67 | gd->ram_size = imx_ddr_size(); | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
72 | static iomux_v3_cfg_t const uart3_pads[] = { | |
73 | MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), | |
74 | MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), | |
75 | MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
76 | MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
77 | }; | |
78 | ||
79 | static iomux_v3_cfg_t const uart4_pads[] = { | |
80 | MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
81 | MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
82 | }; | |
83 | ||
84 | static iomux_v3_cfg_t const enet_pads[] = { | |
85 | MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
86 | MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
87 | MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
88 | MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
89 | MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
90 | MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
91 | MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
92 | MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
93 | MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), | |
94 | MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
95 | MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
96 | MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
97 | MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
98 | MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
99 | MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
100 | /* AR8033 PHY Reset */ | |
101 | MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
102 | }; | |
103 | ||
104 | static void setup_iomux_enet(void) | |
105 | { | |
106 | imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); | |
107 | ||
108 | /* Reset AR8033 PHY */ | |
109 | gpio_direction_output(IMX_GPIO_NR(1, 28), 0); | |
110 | mdelay(10); | |
111 | gpio_set_value(IMX_GPIO_NR(1, 28), 1); | |
112 | mdelay(1); | |
113 | } | |
114 | ||
115 | static iomux_v3_cfg_t const usdhc2_pads[] = { | |
116 | MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
117 | MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
118 | MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
119 | MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
120 | MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
121 | MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
122 | MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
123 | }; | |
124 | ||
125 | static iomux_v3_cfg_t const usdhc3_pads[] = { | |
126 | MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
127 | MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
128 | MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
129 | MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
130 | MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
131 | MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
132 | MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
133 | MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
134 | MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
135 | MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
136 | MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
137 | }; | |
138 | ||
139 | static iomux_v3_cfg_t const usdhc4_pads[] = { | |
140 | MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
141 | MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
142 | MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
143 | MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
144 | MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
145 | MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
146 | MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
147 | MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
148 | MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
149 | MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
150 | MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
151 | MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
152 | }; | |
153 | ||
154 | static iomux_v3_cfg_t const ecspi1_pads[] = { | |
155 | MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), | |
156 | MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), | |
157 | MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), | |
158 | MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
159 | }; | |
160 | ||
161 | static struct i2c_pads_info i2c_pad_info1 = { | |
162 | .scl = { | |
163 | .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD, | |
164 | .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD, | |
165 | .gp = IMX_GPIO_NR(5, 27) | |
166 | }, | |
167 | .sda = { | |
168 | .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD, | |
169 | .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD, | |
170 | .gp = IMX_GPIO_NR(5, 26) | |
171 | } | |
172 | }; | |
173 | ||
174 | static struct i2c_pads_info i2c_pad_info2 = { | |
175 | .scl = { | |
176 | .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, | |
177 | .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, | |
178 | .gp = IMX_GPIO_NR(4, 12) | |
179 | }, | |
180 | .sda = { | |
181 | .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, | |
182 | .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, | |
183 | .gp = IMX_GPIO_NR(4, 13) | |
184 | } | |
185 | }; | |
186 | ||
187 | static struct i2c_pads_info i2c_pad_info3 = { | |
188 | .scl = { | |
189 | .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD, | |
190 | .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD, | |
191 | .gp = IMX_GPIO_NR(1, 3) | |
192 | }, | |
193 | .sda = { | |
194 | .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD, | |
195 | .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD, | |
196 | .gp = IMX_GPIO_NR(1, 6) | |
197 | } | |
198 | }; | |
199 | ||
200 | #ifdef CONFIG_MXC_SPI | |
201 | int board_spi_cs_gpio(unsigned bus, unsigned cs) | |
202 | { | |
203 | return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1; | |
204 | } | |
205 | ||
206 | static void setup_spi(void) | |
207 | { | |
208 | imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); | |
209 | } | |
210 | #endif | |
211 | ||
212 | static iomux_v3_cfg_t const pcie_pads[] = { | |
213 | MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
214 | MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
215 | }; | |
216 | ||
217 | static void setup_pcie(void) | |
218 | { | |
219 | imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); | |
220 | } | |
221 | ||
222 | static void setup_iomux_uart(void) | |
223 | { | |
224 | imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads)); | |
225 | imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); | |
226 | } | |
227 | ||
228 | #ifdef CONFIG_FSL_ESDHC_IMX | |
229 | struct fsl_esdhc_cfg usdhc_cfg[3] = { | |
230 | {USDHC2_BASE_ADDR}, | |
231 | {USDHC3_BASE_ADDR}, | |
232 | {USDHC4_BASE_ADDR}, | |
233 | }; | |
234 | ||
235 | #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4) | |
236 | #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11) | |
237 | ||
238 | int board_mmc_getcd(struct mmc *mmc) | |
239 | { | |
240 | struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; | |
241 | int ret = 0; | |
242 | ||
243 | switch (cfg->esdhc_base) { | |
244 | case USDHC2_BASE_ADDR: | |
245 | ret = !gpio_get_value(USDHC2_CD_GPIO); | |
246 | break; | |
247 | case USDHC3_BASE_ADDR: | |
248 | ret = 1; /* eMMC is always present */ | |
249 | break; | |
250 | case USDHC4_BASE_ADDR: | |
251 | ret = !gpio_get_value(USDHC4_CD_GPIO); | |
252 | break; | |
253 | } | |
254 | ||
255 | return ret; | |
256 | } | |
257 | ||
258 | int board_mmc_init(struct bd_info *bis) | |
259 | { | |
260 | int ret; | |
261 | int i; | |
262 | ||
263 | for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { | |
264 | switch (i) { | |
265 | case 0: | |
266 | imx_iomux_v3_setup_multiple_pads( | |
267 | usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); | |
268 | gpio_direction_input(USDHC2_CD_GPIO); | |
269 | usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); | |
270 | break; | |
271 | case 1: | |
272 | imx_iomux_v3_setup_multiple_pads( | |
273 | usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); | |
274 | usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); | |
275 | break; | |
276 | case 2: | |
277 | imx_iomux_v3_setup_multiple_pads( | |
278 | usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); | |
279 | gpio_direction_input(USDHC4_CD_GPIO); | |
280 | usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); | |
281 | break; | |
282 | default: | |
283 | printf("Warning: you configured more USDHC controllers\n" | |
284 | "(%d) then supported by the board (%d)\n", | |
285 | i + 1, CONFIG_SYS_FSL_USDHC_NUM); | |
286 | return -EINVAL; | |
287 | } | |
288 | ||
289 | ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); | |
290 | if (ret) | |
291 | return ret; | |
292 | } | |
293 | ||
294 | return 0; | |
295 | } | |
296 | #endif | |
297 | ||
298 | static int mx6_rgmii_rework(struct phy_device *phydev) | |
299 | { | |
300 | /* set device address 0x7 */ | |
301 | phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); | |
302 | /* offset 0x8016: CLK_25M Clock Select */ | |
303 | phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); | |
304 | /* enable register write, no post increment, address 0x7 */ | |
305 | phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); | |
306 | /* set to 125 MHz from local PLL source */ | |
307 | phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18); | |
308 | /* set debug port address: SerDes Test and System Mode Control */ | |
309 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); | |
310 | /* enable rgmii tx clock delay */ | |
311 | /* set the reserved bits to avoid board specific voltage peak issue*/ | |
312 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47); | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
317 | int board_phy_config(struct phy_device *phydev) | |
318 | { | |
319 | mx6_rgmii_rework(phydev); | |
320 | ||
321 | if (phydev->drv->config) | |
322 | phydev->drv->config(phydev); | |
323 | ||
324 | return 0; | |
325 | } | |
326 | ||
327 | #if defined(CONFIG_VIDEO_IPUV3) | |
328 | static iomux_v3_cfg_t const backlight_pads[] = { | |
329 | /* Power for LVDS Display */ | |
330 | MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
331 | #define LVDS_POWER_GP IMX_GPIO_NR(3, 22) | |
332 | /* Backlight enable for LVDS display */ | |
333 | MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
334 | #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0) | |
335 | /* backlight PWM brightness control */ | |
336 | MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), | |
337 | }; | |
338 | ||
339 | static void do_enable_hdmi(struct display_info_t const *dev) | |
340 | { | |
341 | imx_enable_hdmi_phy(); | |
342 | } | |
343 | ||
344 | int board_cfb_skip(void) | |
345 | { | |
346 | gpio_direction_output(LVDS_POWER_GP, 1); | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
351 | static int detect_baseboard(struct display_info_t const *dev) | |
352 | { | |
353 | return 0 == dev->addr; | |
354 | } | |
355 | ||
356 | struct display_info_t const displays[] = {{ | |
357 | .bus = -1, | |
358 | .addr = 0, | |
359 | .pixfmt = IPU_PIX_FMT_RGB24, | |
360 | .detect = detect_baseboard, | |
361 | .enable = NULL, | |
362 | .mode = { | |
363 | .name = "SHARP-LQ156M1LG21", | |
364 | .refresh = 60, | |
365 | .xres = 1920, | |
366 | .yres = 1080, | |
367 | .pixclock = 7851, | |
368 | .left_margin = 100, | |
369 | .right_margin = 40, | |
370 | .upper_margin = 30, | |
371 | .lower_margin = 3, | |
372 | .hsync_len = 10, | |
373 | .vsync_len = 2, | |
374 | .sync = FB_SYNC_EXT, | |
375 | .vmode = FB_VMODE_NONINTERLACED | |
376 | } }, { | |
377 | .bus = -1, | |
378 | .addr = 3, | |
379 | .pixfmt = IPU_PIX_FMT_RGB24, | |
380 | .detect = detect_hdmi, | |
381 | .enable = do_enable_hdmi, | |
382 | .mode = { | |
383 | .name = "HDMI", | |
384 | .refresh = 60, | |
385 | .xres = 1024, | |
386 | .yres = 768, | |
387 | .pixclock = 15385, | |
388 | .left_margin = 220, | |
389 | .right_margin = 40, | |
390 | .upper_margin = 21, | |
391 | .lower_margin = 7, | |
392 | .hsync_len = 60, | |
393 | .vsync_len = 10, | |
394 | .sync = FB_SYNC_EXT, | |
395 | .vmode = FB_VMODE_NONINTERLACED | |
396 | } } }; | |
397 | size_t display_count = ARRAY_SIZE(displays); | |
398 | ||
399 | static void setup_display(void) | |
400 | { | |
401 | struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; | |
402 | struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; | |
403 | ||
404 | clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); | |
405 | ||
406 | imx_setup_hdmi(); | |
407 | ||
408 | /* Set LDB_DI0 as clock source for IPU_DI0 */ | |
409 | clrsetbits_le32(&mxc_ccm->chsccdr, | |
410 | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK, | |
411 | (CHSCCDR_CLK_SEL_LDB_DI0 << | |
412 | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)); | |
413 | ||
414 | /* Turn on IPU LDB DI0 clocks */ | |
415 | setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK); | |
416 | ||
417 | enable_ipu_clock(); | |
418 | ||
419 | writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | | |
420 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH | | |
421 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | | |
422 | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG | | |
423 | IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT | | |
424 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | | |
425 | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT | | |
426 | IOMUXC_GPR2_SPLIT_MODE_EN_MASK | | |
427 | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 | | |
428 | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0, | |
429 | &iomux->gpr[2]); | |
430 | ||
431 | clrsetbits_le32(&iomux->gpr[3], | |
432 | IOMUXC_GPR3_LVDS0_MUX_CTL_MASK | | |
433 | IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | | |
434 | IOMUXC_GPR3_HDMI_MUX_CTL_MASK, | |
435 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << | |
436 | IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET)); | |
437 | ||
438 | /* backlights off until needed */ | |
439 | imx_iomux_v3_setup_multiple_pads(backlight_pads, | |
440 | ARRAY_SIZE(backlight_pads)); | |
441 | ||
442 | gpio_direction_input(LVDS_POWER_GP); | |
443 | gpio_direction_input(LVDS_BACKLIGHT_GP); | |
444 | } | |
445 | #endif /* CONFIG_VIDEO_IPUV3 */ | |
446 | ||
447 | /* | |
448 | * Do not overwrite the console | |
449 | * Use always serial for U-Boot console | |
450 | */ | |
451 | int overwrite_console(void) | |
452 | { | |
453 | return 1; | |
454 | } | |
455 | ||
456 | int board_eth_init(struct bd_info *bis) | |
457 | { | |
458 | setup_iomux_enet(); | |
459 | setup_pcie(); | |
460 | ||
461 | return cpu_eth_init(bis); | |
462 | } | |
463 | ||
464 | static iomux_v3_cfg_t const misc_pads[] = { | |
465 | MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
466 | MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
467 | MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
468 | MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
469 | MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
470 | MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
471 | MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
472 | }; | |
473 | #define SUS_S3_OUT IMX_GPIO_NR(4, 11) | |
474 | #define WIFI_EN IMX_GPIO_NR(6, 14) | |
475 | ||
476 | int setup_ba16_sata(void) | |
477 | { | |
478 | struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; | |
479 | int ret; | |
480 | ||
481 | ret = enable_sata_clock(); | |
482 | if (ret) | |
483 | return ret; | |
484 | ||
485 | clrsetbits_le32(&iomuxc_regs->gpr[13], | |
486 | IOMUXC_GPR13_SATA_MASK, | |
487 | IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB | |
488 | |IOMUXC_GPR13_SATA_PHY_7_SATA2M | |
489 | |IOMUXC_GPR13_SATA_SPEED_3G | |
490 | |(1<<IOMUXC_GPR13_SATA_PHY_6_SHIFT) | |
491 | |IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED | |
492 | |IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_12_16 | |
493 | |IOMUXC_GPR13_SATA_PHY_3_TXBOOST_3P33_DB | |
494 | |IOMUXC_GPR13_SATA_PHY_2_TX_1P133V | |
495 | |IOMUXC_GPR13_SATA_PHY_1_SLOW); | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
500 | int board_early_init_f(void) | |
501 | { | |
502 | imx_iomux_v3_setup_multiple_pads(misc_pads, | |
503 | ARRAY_SIZE(misc_pads)); | |
504 | ||
505 | setup_iomux_uart(); | |
506 | ||
507 | #if defined(CONFIG_VIDEO_IPUV3) | |
508 | /* Set LDB clock to PLL2 PFD0 */ | |
509 | select_ldb_di_clock_source(MXC_PLL2_PFD0_CLK); | |
510 | #endif | |
511 | return 0; | |
512 | } | |
513 | ||
514 | int board_init(void) | |
515 | { | |
516 | gpio_direction_output(SUS_S3_OUT, 1); | |
517 | gpio_direction_output(WIFI_EN, 1); | |
518 | #if defined(CONFIG_VIDEO_IPUV3) | |
519 | setup_display(); | |
520 | #endif | |
521 | /* address of boot parameters */ | |
522 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
523 | ||
524 | #ifdef CONFIG_MXC_SPI | |
525 | setup_spi(); | |
526 | #endif | |
527 | setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); | |
528 | setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); | |
529 | setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
534 | #ifdef CONFIG_CMD_BMODE | |
535 | static const struct boot_mode board_boot_modes[] = { | |
536 | /* 4 bit bus width */ | |
537 | {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, | |
538 | {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, | |
539 | {NULL, 0}, | |
540 | }; | |
541 | #endif | |
542 | ||
543 | void pmic_init(void) | |
544 | { | |
545 | ||
546 | #define DA9063_ADDR 0x58 | |
547 | #define BCORE2_CONF 0x9D | |
548 | #define BCORE1_CONF 0x9E | |
549 | #define BPRO_CONF 0x9F | |
550 | #define BIO_CONF 0xA0 | |
551 | #define BMEM_CONF 0xA1 | |
552 | #define BPERI_CONF 0xA2 | |
553 | #define MODE_BIT_H 7 | |
554 | #define MODE_BIT_L 6 | |
555 | ||
556 | uchar val; | |
557 | i2c_set_bus_num(2); | |
558 | ||
559 | i2c_read(DA9063_ADDR, BCORE2_CONF, 1, &val, 1); | |
560 | val |= (1 << MODE_BIT_H); | |
561 | val &= ~(1 << MODE_BIT_L); | |
562 | i2c_write(DA9063_ADDR, BCORE2_CONF , 1, &val, 1); | |
563 | ||
564 | i2c_read(DA9063_ADDR, BCORE1_CONF, 1, &val, 1); | |
565 | val |= (1 << MODE_BIT_H); | |
566 | val &= ~(1 << MODE_BIT_L); | |
567 | i2c_write(DA9063_ADDR, BCORE1_CONF , 1, &val, 1); | |
568 | ||
569 | i2c_read(DA9063_ADDR, BPRO_CONF, 1, &val, 1); | |
570 | val |= (1 << MODE_BIT_H); | |
571 | val &= ~(1 << MODE_BIT_L); | |
572 | i2c_write(DA9063_ADDR, BPRO_CONF , 1, &val, 1); | |
573 | ||
574 | i2c_read(DA9063_ADDR, BIO_CONF, 1, &val, 1); | |
575 | val |= (1 << MODE_BIT_H); | |
576 | val &= ~(1 << MODE_BIT_L); | |
577 | i2c_write(DA9063_ADDR, BIO_CONF , 1, &val, 1); | |
578 | ||
579 | i2c_read(DA9063_ADDR, BMEM_CONF, 1, &val, 1); | |
580 | val |= (1 << MODE_BIT_H); | |
581 | val &= ~(1 << MODE_BIT_L); | |
582 | i2c_write(DA9063_ADDR, BMEM_CONF , 1, &val, 1); | |
583 | ||
584 | i2c_read(DA9063_ADDR, BPERI_CONF, 1, &val, 1); | |
585 | val |= (1 << MODE_BIT_H); | |
586 | val &= ~(1 << MODE_BIT_L); | |
587 | i2c_write(DA9063_ADDR, BPERI_CONF , 1, &val, 1); | |
588 | ||
589 | } | |
590 | ||
591 | int board_late_init(void) | |
592 | { | |
593 | #ifdef CONFIG_CMD_BMODE | |
594 | add_board_boot_modes(board_boot_modes); | |
595 | #endif | |
596 | ||
597 | #if defined(CONFIG_VIDEO_IPUV3) | |
598 | /* | |
599 | * We need at least 200ms between power on and backlight on | |
600 | * as per specifications from CHI MEI | |
601 | */ | |
602 | mdelay(250); | |
603 | ||
604 | /* enable backlight PWM 1 */ | |
605 | pwm_init(0, 0, 0); | |
606 | ||
607 | /* duty cycle 5000000ns, period: 5000000ns */ | |
608 | pwm_config(0, 5000000, 5000000); | |
609 | ||
610 | /* Backlight Power */ | |
611 | gpio_direction_output(LVDS_BACKLIGHT_GP, 1); | |
612 | ||
613 | pwm_enable(0); | |
614 | #endif | |
615 | ||
616 | #ifdef CONFIG_SATA | |
617 | setup_ba16_sata(); | |
618 | #endif | |
619 | ||
620 | /* board specific pmic init */ | |
621 | pmic_init(); | |
622 | ||
623 | return 0; | |
624 | } | |
625 | ||
626 | int checkboard(void) | |
627 | { | |
628 | printf("BOARD: %s\n", CONFIG_BOARD_NAME); | |
629 | return 0; | |
630 | } |