]>
Commit | Line | Data |
---|---|---|
83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
f9162b15 AB |
2 | /* |
3 | * Copyright 2015 Timesys Corporation | |
4 | * Copyright 2015 General Electric Company | |
5 | * Copyright 2012 Freescale Semiconductor, Inc. | |
f9162b15 AB |
6 | */ |
7 | ||
8 | #include <asm/arch/clock.h> | |
9 | #include <asm/arch/imx-regs.h> | |
10 | #include <asm/arch/iomux.h> | |
11 | #include <asm/arch/mx6-pins.h> | |
1221ce45 | 12 | #include <linux/errno.h> |
f9162b15 | 13 | #include <asm/gpio.h> |
552a848e SB |
14 | #include <asm/mach-imx/mxc_i2c.h> |
15 | #include <asm/mach-imx/iomux-v3.h> | |
16 | #include <asm/mach-imx/boot_mode.h> | |
17 | #include <asm/mach-imx/video.h> | |
f9162b15 AB |
18 | #include <mmc.h> |
19 | #include <fsl_esdhc.h> | |
20 | #include <miiphy.h> | |
cf678b31 | 21 | #include <net.h> |
f9162b15 AB |
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> | |
7594c51a | 28 | #include <input.h> |
54971ac6 | 29 | #include <pwm.h> |
be2808c3 | 30 | #include <stdlib.h> |
886678fc | 31 | #include "../common/ge_common.h" |
b418dfe1 | 32 | #include "../common/vpd_reader.h" |
2850645c | 33 | #include "../../../drivers/net/e1000.h" |
f9162b15 AB |
34 | DECLARE_GLOBAL_DATA_PTR; |
35 | ||
be2808c3 IR |
36 | #ifndef CONFIG_SYS_I2C_EEPROM_ADDR |
37 | # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 | |
38 | # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 | |
39 | #endif | |
40 | ||
41 | #ifndef CONFIG_SYS_I2C_EEPROM_BUS | |
87da89e8 | 42 | #define CONFIG_SYS_I2C_EEPROM_BUS 4 |
be2808c3 IR |
43 | #endif |
44 | ||
7d0b8cfe JW |
45 | #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ |
46 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ | |
47 | PAD_CTL_HYS) | |
48 | ||
f9162b15 AB |
49 | #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ |
50 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ | |
51 | PAD_CTL_SRE_FAST | PAD_CTL_HYS) | |
52 | ||
53 | #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ | |
54 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ | |
55 | PAD_CTL_SRE_FAST | PAD_CTL_HYS) | |
56 | ||
57 | #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ | |
58 | PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) | |
59 | ||
60 | #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ | |
61 | PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) | |
62 | ||
63 | #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ | |
64 | PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) | |
65 | ||
66 | #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ | |
67 | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) | |
68 | ||
69 | #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ | |
70 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ | |
71 | PAD_CTL_ODE | PAD_CTL_SRE_FAST) | |
72 | ||
73 | #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) | |
74 | ||
75 | int dram_init(void) | |
76 | { | |
c6a51bab | 77 | gd->ram_size = imx_ddr_size(); |
f9162b15 AB |
78 | |
79 | return 0; | |
80 | } | |
81 | ||
82 | static iomux_v3_cfg_t const uart3_pads[] = { | |
83 | MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), | |
84 | MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), | |
85 | MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
86 | MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
87 | }; | |
88 | ||
89 | static iomux_v3_cfg_t const uart4_pads[] = { | |
90 | MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
91 | MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), | |
92 | }; | |
93 | ||
94 | static iomux_v3_cfg_t const enet_pads[] = { | |
95 | MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
96 | MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
97 | MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
98 | MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
99 | MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
100 | MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
101 | MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
102 | MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
103 | MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), | |
104 | MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
105 | MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
106 | MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
107 | MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
108 | MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
109 | MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), | |
110 | /* AR8033 PHY Reset */ | |
111 | MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
112 | }; | |
113 | ||
114 | static void setup_iomux_enet(void) | |
115 | { | |
116 | imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); | |
117 | ||
118 | /* Reset AR8033 PHY */ | |
119 | gpio_direction_output(IMX_GPIO_NR(1, 28), 0); | |
d42db168 | 120 | mdelay(10); |
f9162b15 | 121 | gpio_set_value(IMX_GPIO_NR(1, 28), 1); |
d42db168 | 122 | mdelay(1); |
f9162b15 AB |
123 | } |
124 | ||
125 | static iomux_v3_cfg_t const usdhc2_pads[] = { | |
126 | MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
127 | MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
128 | MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
129 | MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
130 | MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
131 | MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
132 | MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
133 | }; | |
134 | ||
135 | static iomux_v3_cfg_t const usdhc3_pads[] = { | |
136 | MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
137 | MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
138 | MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
139 | MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
140 | MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
141 | MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
142 | MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
143 | MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
144 | MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
145 | MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
146 | MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
147 | }; | |
148 | ||
149 | static iomux_v3_cfg_t const usdhc4_pads[] = { | |
150 | MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
151 | MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
152 | MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
153 | MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
154 | MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
155 | MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
156 | MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
157 | MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
158 | MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
159 | MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | |
160 | MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
161 | MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
162 | }; | |
163 | ||
164 | static iomux_v3_cfg_t const ecspi1_pads[] = { | |
165 | MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), | |
166 | MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), | |
167 | MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), | |
168 | MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
169 | }; | |
170 | ||
171 | static struct i2c_pads_info i2c_pad_info1 = { | |
172 | .scl = { | |
173 | .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD, | |
174 | .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD, | |
175 | .gp = IMX_GPIO_NR(5, 27) | |
176 | }, | |
177 | .sda = { | |
178 | .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD, | |
179 | .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD, | |
180 | .gp = IMX_GPIO_NR(5, 26) | |
181 | } | |
182 | }; | |
183 | ||
184 | static struct i2c_pads_info i2c_pad_info2 = { | |
185 | .scl = { | |
186 | .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, | |
187 | .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, | |
188 | .gp = IMX_GPIO_NR(4, 12) | |
189 | }, | |
190 | .sda = { | |
191 | .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, | |
192 | .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, | |
193 | .gp = IMX_GPIO_NR(4, 13) | |
194 | } | |
195 | }; | |
196 | ||
197 | static struct i2c_pads_info i2c_pad_info3 = { | |
198 | .scl = { | |
199 | .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD, | |
200 | .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD, | |
201 | .gp = IMX_GPIO_NR(1, 3) | |
202 | }, | |
203 | .sda = { | |
204 | .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD, | |
205 | .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD, | |
206 | .gp = IMX_GPIO_NR(1, 6) | |
207 | } | |
208 | }; | |
209 | ||
210 | #ifdef CONFIG_MXC_SPI | |
211 | int board_spi_cs_gpio(unsigned bus, unsigned cs) | |
212 | { | |
213 | return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1; | |
214 | } | |
215 | ||
216 | static void setup_spi(void) | |
217 | { | |
218 | imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); | |
219 | } | |
220 | #endif | |
221 | ||
222 | static iomux_v3_cfg_t const pcie_pads[] = { | |
223 | MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
224 | MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
225 | }; | |
226 | ||
227 | static void setup_pcie(void) | |
228 | { | |
229 | imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); | |
230 | } | |
231 | ||
232 | static void setup_iomux_uart(void) | |
233 | { | |
234 | imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads)); | |
235 | imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); | |
236 | } | |
237 | ||
238 | #ifdef CONFIG_FSL_ESDHC | |
239 | struct fsl_esdhc_cfg usdhc_cfg[3] = { | |
240 | {USDHC2_BASE_ADDR}, | |
241 | {USDHC3_BASE_ADDR}, | |
242 | {USDHC4_BASE_ADDR}, | |
243 | }; | |
244 | ||
245 | #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4) | |
246 | #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11) | |
247 | ||
248 | int board_mmc_getcd(struct mmc *mmc) | |
249 | { | |
250 | struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; | |
251 | int ret = 0; | |
252 | ||
253 | switch (cfg->esdhc_base) { | |
254 | case USDHC2_BASE_ADDR: | |
255 | ret = !gpio_get_value(USDHC2_CD_GPIO); | |
256 | break; | |
257 | case USDHC3_BASE_ADDR: | |
258 | ret = 1; /* eMMC is always present */ | |
259 | break; | |
260 | case USDHC4_BASE_ADDR: | |
261 | ret = !gpio_get_value(USDHC4_CD_GPIO); | |
262 | break; | |
263 | } | |
264 | ||
265 | return ret; | |
266 | } | |
267 | ||
268 | int board_mmc_init(bd_t *bis) | |
269 | { | |
270 | int ret; | |
271 | int i; | |
272 | ||
273 | for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { | |
274 | switch (i) { | |
275 | case 0: | |
276 | imx_iomux_v3_setup_multiple_pads( | |
277 | usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); | |
278 | gpio_direction_input(USDHC2_CD_GPIO); | |
279 | usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); | |
280 | break; | |
281 | case 1: | |
282 | imx_iomux_v3_setup_multiple_pads( | |
283 | usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); | |
284 | usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); | |
285 | break; | |
286 | case 2: | |
287 | imx_iomux_v3_setup_multiple_pads( | |
288 | usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); | |
289 | gpio_direction_input(USDHC4_CD_GPIO); | |
290 | usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); | |
291 | break; | |
292 | default: | |
293 | printf("Warning: you configured more USDHC controllers\n" | |
294 | "(%d) then supported by the board (%d)\n", | |
295 | i + 1, CONFIG_SYS_FSL_USDHC_NUM); | |
296 | return -EINVAL; | |
297 | } | |
298 | ||
299 | ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); | |
300 | if (ret) | |
301 | return ret; | |
302 | } | |
303 | ||
304 | return 0; | |
305 | } | |
306 | #endif | |
307 | ||
308 | static int mx6_rgmii_rework(struct phy_device *phydev) | |
309 | { | |
310 | /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */ | |
311 | /* set device address 0x7 */ | |
312 | phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); | |
313 | /* offset 0x8016: CLK_25M Clock Select */ | |
314 | phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); | |
315 | /* enable register write, no post increment, address 0x7 */ | |
316 | phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); | |
317 | /* set to 125 MHz from local PLL source */ | |
318 | phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18); | |
319 | ||
320 | /* rgmii tx clock delay enable */ | |
321 | /* set debug port address: SerDes Test and System Mode Control */ | |
322 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); | |
323 | /* enable rgmii tx clock delay */ | |
ec7aa8fd YCL |
324 | /* set the reserved bits to avoid board specific voltage peak issue*/ |
325 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47); | |
f9162b15 AB |
326 | |
327 | return 0; | |
328 | } | |
329 | ||
330 | int board_phy_config(struct phy_device *phydev) | |
331 | { | |
332 | mx6_rgmii_rework(phydev); | |
333 | ||
334 | if (phydev->drv->config) | |
335 | phydev->drv->config(phydev); | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
340 | #if defined(CONFIG_VIDEO_IPUV3) | |
341 | static iomux_v3_cfg_t const backlight_pads[] = { | |
342 | /* Power for LVDS Display */ | |
343 | MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
344 | #define LVDS_POWER_GP IMX_GPIO_NR(3, 22) | |
345 | /* Backlight enable for LVDS display */ | |
346 | MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
347 | #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0) | |
54971ac6 AB |
348 | /* backlight PWM brightness control */ |
349 | MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), | |
f9162b15 AB |
350 | }; |
351 | ||
352 | static void do_enable_hdmi(struct display_info_t const *dev) | |
353 | { | |
354 | imx_enable_hdmi_phy(); | |
355 | } | |
356 | ||
357 | int board_cfb_skip(void) | |
358 | { | |
359 | gpio_direction_output(LVDS_POWER_GP, 1); | |
360 | ||
361 | return 0; | |
362 | } | |
363 | ||
364 | static int detect_baseboard(struct display_info_t const *dev) | |
365 | { | |
366 | if (IS_ENABLED(CONFIG_TARGET_GE_B450V3) || | |
367 | IS_ENABLED(CONFIG_TARGET_GE_B650V3)) | |
368 | return 1; | |
369 | ||
370 | return 0; | |
371 | } | |
372 | ||
373 | struct display_info_t const displays[] = {{ | |
374 | .bus = -1, | |
375 | .addr = -1, | |
376 | .pixfmt = IPU_PIX_FMT_RGB24, | |
377 | .detect = detect_baseboard, | |
378 | .enable = NULL, | |
379 | .mode = { | |
380 | .name = "G121X1-L03", | |
381 | .refresh = 60, | |
382 | .xres = 1024, | |
383 | .yres = 768, | |
384 | .pixclock = 15385, | |
385 | .left_margin = 20, | |
386 | .right_margin = 300, | |
387 | .upper_margin = 30, | |
388 | .lower_margin = 8, | |
389 | .hsync_len = 1, | |
390 | .vsync_len = 1, | |
391 | .sync = FB_SYNC_EXT, | |
392 | .vmode = FB_VMODE_NONINTERLACED | |
393 | } }, { | |
394 | .bus = -1, | |
395 | .addr = 3, | |
396 | .pixfmt = IPU_PIX_FMT_RGB24, | |
397 | .detect = detect_hdmi, | |
398 | .enable = do_enable_hdmi, | |
399 | .mode = { | |
400 | .name = "HDMI", | |
401 | .refresh = 60, | |
402 | .xres = 1024, | |
403 | .yres = 768, | |
404 | .pixclock = 15385, | |
405 | .left_margin = 220, | |
406 | .right_margin = 40, | |
407 | .upper_margin = 21, | |
408 | .lower_margin = 7, | |
409 | .hsync_len = 60, | |
410 | .vsync_len = 10, | |
411 | .sync = FB_SYNC_EXT, | |
412 | .vmode = FB_VMODE_NONINTERLACED | |
413 | } } }; | |
414 | size_t display_count = ARRAY_SIZE(displays); | |
415 | ||
494d43ec AB |
416 | static void enable_videopll(void) |
417 | { | |
418 | struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; | |
419 | s32 timeout = 100000; | |
420 | ||
421 | setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN); | |
422 | ||
423 | /* set video pll to 910MHz (24MHz * (37+11/12)) | |
424 | * video pll post div to 910/4 = 227.5MHz | |
425 | */ | |
426 | clrsetbits_le32(&ccm->analog_pll_video, | |
427 | BM_ANADIG_PLL_VIDEO_DIV_SELECT | | |
428 | BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT, | |
429 | BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) | | |
430 | BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0)); | |
431 | ||
432 | writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num); | |
433 | writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom); | |
434 | ||
435 | clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN); | |
436 | ||
437 | while (timeout--) | |
438 | if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK) | |
439 | break; | |
440 | ||
441 | if (timeout < 0) | |
442 | printf("Warning: video pll lock timeout!\n"); | |
443 | ||
444 | clrsetbits_le32(&ccm->analog_pll_video, | |
445 | BM_ANADIG_PLL_VIDEO_BYPASS, | |
446 | BM_ANADIG_PLL_VIDEO_ENABLE); | |
447 | } | |
448 | ||
de708da0 | 449 | static void setup_display_b850v3(void) |
f9162b15 AB |
450 | { |
451 | struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; | |
452 | struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; | |
f9162b15 | 453 | |
494d43ec AB |
454 | enable_videopll(); |
455 | ||
de708da0 AB |
456 | /* IPU1 D0 clock is 227.5 / 3.5 = 65MHz */ |
457 | clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); | |
458 | ||
f9162b15 AB |
459 | imx_setup_hdmi(); |
460 | ||
de708da0 AB |
461 | /* Set LDB_DI0 as clock source for IPU_DI0 */ |
462 | clrsetbits_le32(&mxc_ccm->chsccdr, | |
463 | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK, | |
464 | (CHSCCDR_CLK_SEL_LDB_DI0 << | |
465 | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)); | |
466 | ||
467 | /* Turn on IPU LDB DI0 clocks */ | |
468 | setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK); | |
469 | ||
470 | enable_ipu_clock(); | |
471 | ||
472 | writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | | |
473 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW | | |
474 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | | |
475 | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG | | |
476 | IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT | | |
477 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | | |
478 | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT | | |
479 | IOMUXC_GPR2_SPLIT_MODE_EN_MASK | | |
480 | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 | | |
481 | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0, | |
482 | &iomux->gpr[2]); | |
483 | ||
484 | clrbits_le32(&iomux->gpr[3], | |
485 | IOMUXC_GPR3_LVDS0_MUX_CTL_MASK | | |
486 | IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | | |
487 | IOMUXC_GPR3_HDMI_MUX_CTL_MASK); | |
488 | } | |
489 | ||
490 | static void setup_display_bx50v3(void) | |
491 | { | |
492 | struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; | |
493 | struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; | |
494 | ||
8d293f49 AB |
495 | /* When a reset/reboot is performed the display power needs to be turned |
496 | * off for atleast 500ms. The boot time is ~300ms, we need to wait for | |
497 | * an additional 200ms here. Unfortunately we use external PMIC for | |
498 | * doing the reset, so can not differentiate between POR vs soft reset | |
499 | */ | |
500 | mdelay(200); | |
501 | ||
de708da0 AB |
502 | /* IPU1 DI0 clock is 480/7 = 68.5 MHz */ |
503 | setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); | |
504 | ||
505 | /* Set LDB_DI0 as clock source for IPU_DI0 */ | |
506 | clrsetbits_le32(&mxc_ccm->chsccdr, | |
507 | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK, | |
508 | (CHSCCDR_CLK_SEL_LDB_DI0 << | |
509 | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)); | |
510 | ||
511 | /* Turn on IPU LDB DI0 clocks */ | |
512 | setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK); | |
513 | ||
514 | enable_ipu_clock(); | |
515 | ||
516 | writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | | |
517 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | | |
518 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | | |
519 | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT | | |
520 | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0, | |
521 | &iomux->gpr[2]); | |
522 | ||
523 | clrsetbits_le32(&iomux->gpr[3], | |
524 | IOMUXC_GPR3_LVDS0_MUX_CTL_MASK, | |
525 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << | |
526 | IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET)); | |
f9162b15 AB |
527 | |
528 | /* backlights off until needed */ | |
529 | imx_iomux_v3_setup_multiple_pads(backlight_pads, | |
530 | ARRAY_SIZE(backlight_pads)); | |
531 | gpio_direction_input(LVDS_POWER_GP); | |
532 | gpio_direction_input(LVDS_BACKLIGHT_GP); | |
533 | } | |
534 | #endif /* CONFIG_VIDEO_IPUV3 */ | |
535 | ||
536 | /* | |
537 | * Do not overwrite the console | |
538 | * Use always serial for U-Boot console | |
539 | */ | |
540 | int overwrite_console(void) | |
541 | { | |
542 | return 1; | |
543 | } | |
544 | ||
be2808c3 IR |
545 | #define VPD_TYPE_INVALID 0x00 |
546 | #define VPD_BLOCK_NETWORK 0x20 | |
547 | #define VPD_BLOCK_HWID 0x44 | |
548 | #define VPD_PRODUCT_B850 1 | |
549 | #define VPD_PRODUCT_B650 2 | |
550 | #define VPD_PRODUCT_B450 3 | |
cf678b31 | 551 | #define VPD_HAS_MAC1 0x1 |
2850645c | 552 | #define VPD_HAS_MAC2 0x2 |
cf678b31 | 553 | #define VPD_MAC_ADDRESS_LENGTH 6 |
be2808c3 IR |
554 | |
555 | struct vpd_cache { | |
cf678b31 MW |
556 | u8 product_id; |
557 | u8 has; | |
558 | unsigned char mac1[VPD_MAC_ADDRESS_LENGTH]; | |
2850645c | 559 | unsigned char mac2[VPD_MAC_ADDRESS_LENGTH]; |
be2808c3 IR |
560 | }; |
561 | ||
562 | /* | |
563 | * Extracts MAC and product information from the VPD. | |
564 | */ | |
cf678b31 MW |
565 | static int vpd_callback(void *userdata, u8 id, u8 version, u8 type, |
566 | size_t size, u8 const *data) | |
be2808c3 IR |
567 | { |
568 | struct vpd_cache *vpd = (struct vpd_cache *)userdata; | |
569 | ||
cf678b31 MW |
570 | if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID && |
571 | size >= 1) { | |
be2808c3 | 572 | vpd->product_id = data[0]; |
cf678b31 MW |
573 | } else if (id == VPD_BLOCK_NETWORK && version == 1 && |
574 | type != VPD_TYPE_INVALID) { | |
575 | if (size >= 6) { | |
576 | vpd->has |= VPD_HAS_MAC1; | |
577 | memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH); | |
578 | } | |
2850645c HL |
579 | if (size >= 12) { |
580 | vpd->has |= VPD_HAS_MAC2; | |
581 | memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH); | |
582 | } | |
be2808c3 IR |
583 | } |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
be2808c3 IR |
588 | static void process_vpd(struct vpd_cache *vpd) |
589 | { | |
cf678b31 | 590 | int fec_index = -1; |
2850645c | 591 | int i210_index = -1; |
cf678b31 | 592 | |
f07b3148 IR |
593 | switch (vpd->product_id) { |
594 | case VPD_PRODUCT_B450: | |
595 | env_set("confidx", "1"); | |
596 | break; | |
597 | case VPD_PRODUCT_B650: | |
598 | env_set("confidx", "2"); | |
599 | break; | |
600 | case VPD_PRODUCT_B850: | |
601 | env_set("confidx", "3"); | |
602 | break; | |
603 | } | |
604 | ||
cf678b31 MW |
605 | switch (vpd->product_id) { |
606 | case VPD_PRODUCT_B450: | |
607 | /* fall thru */ | |
608 | case VPD_PRODUCT_B650: | |
2850645c | 609 | i210_index = 0; |
cf678b31 MW |
610 | fec_index = 1; |
611 | break; | |
612 | case VPD_PRODUCT_B850: | |
2850645c | 613 | i210_index = 1; |
cf678b31 MW |
614 | fec_index = 2; |
615 | break; | |
be2808c3 | 616 | } |
cf678b31 MW |
617 | |
618 | if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1)) | |
619 | eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1); | |
2850645c HL |
620 | |
621 | if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2)) | |
622 | eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2); | |
be2808c3 IR |
623 | } |
624 | ||
625 | static int read_vpd(uint eeprom_bus) | |
626 | { | |
627 | struct vpd_cache vpd; | |
628 | int res; | |
629 | int size = 1024; | |
630 | uint8_t *data; | |
631 | unsigned int current_i2c_bus = i2c_get_bus_num(); | |
632 | ||
633 | res = i2c_set_bus_num(eeprom_bus); | |
634 | if (res < 0) | |
635 | return res; | |
636 | ||
637 | data = (uint8_t *)malloc(size); | |
638 | if (!data) | |
639 | return -ENOMEM; | |
640 | ||
641 | res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, | |
642 | CONFIG_SYS_I2C_EEPROM_ADDR_LEN, data, size); | |
643 | ||
644 | if (res == 0) { | |
645 | memset(&vpd, 0, sizeof(vpd)); | |
646 | vpd_reader(size, data, &vpd, vpd_callback); | |
647 | process_vpd(&vpd); | |
648 | } | |
649 | ||
650 | free(data); | |
651 | ||
652 | i2c_set_bus_num(current_i2c_bus); | |
653 | return res; | |
654 | } | |
655 | ||
f9162b15 AB |
656 | int board_eth_init(bd_t *bis) |
657 | { | |
658 | setup_iomux_enet(); | |
659 | setup_pcie(); | |
660 | ||
2850645c HL |
661 | e1000_initialize(bis); |
662 | ||
f9162b15 AB |
663 | return cpu_eth_init(bis); |
664 | } | |
665 | ||
666 | static iomux_v3_cfg_t const misc_pads[] = { | |
667 | MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
7d0b8cfe JW |
668 | MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL), |
669 | MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
670 | MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
671 | MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
672 | MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
673 | MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL), | |
6d656495 | 674 | MX6_PAD_GPIO_9__WDOG1_B | MUX_PAD_CTRL(NC_PAD_CTRL), |
f9162b15 AB |
675 | }; |
676 | #define SUS_S3_OUT IMX_GPIO_NR(4, 11) | |
677 | #define WIFI_EN IMX_GPIO_NR(6, 14) | |
678 | ||
679 | int board_early_init_f(void) | |
680 | { | |
681 | imx_iomux_v3_setup_multiple_pads(misc_pads, | |
682 | ARRAY_SIZE(misc_pads)); | |
683 | ||
684 | setup_iomux_uart(); | |
685 | ||
494d43ec AB |
686 | #if defined(CONFIG_VIDEO_IPUV3) |
687 | if (IS_ENABLED(CONFIG_TARGET_GE_B850V3)) | |
688 | /* Set LDB clock to Video PLL */ | |
689 | select_ldb_di_clock_source(MXC_PLL5_CLK); | |
690 | else | |
691 | /* Set LDB clock to USB PLL */ | |
692 | select_ldb_di_clock_source(MXC_PLL3_SW_CLK); | |
693 | #endif | |
f9162b15 AB |
694 | return 0; |
695 | } | |
696 | ||
697 | int board_init(void) | |
698 | { | |
699 | gpio_direction_output(SUS_S3_OUT, 1); | |
700 | gpio_direction_output(WIFI_EN, 1); | |
701 | #if defined(CONFIG_VIDEO_IPUV3) | |
de708da0 AB |
702 | if (IS_ENABLED(CONFIG_TARGET_GE_B850V3)) |
703 | setup_display_b850v3(); | |
704 | else | |
705 | setup_display_bx50v3(); | |
f9162b15 AB |
706 | #endif |
707 | /* address of boot parameters */ | |
708 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
709 | ||
710 | #ifdef CONFIG_MXC_SPI | |
711 | setup_spi(); | |
712 | #endif | |
713 | setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); | |
714 | setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); | |
715 | setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); | |
716 | ||
717 | return 0; | |
718 | } | |
719 | ||
720 | #ifdef CONFIG_CMD_BMODE | |
721 | static const struct boot_mode board_boot_modes[] = { | |
722 | /* 4 bit bus width */ | |
723 | {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, | |
724 | {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, | |
725 | {NULL, 0}, | |
726 | }; | |
727 | #endif | |
728 | ||
22d358da KL |
729 | void pmic_init(void) |
730 | { | |
731 | #define I2C_PMIC 0x2 | |
732 | #define DA9063_I2C_ADDR 0x58 | |
733 | #define DA9063_REG_BCORE2_CFG 0x9D | |
734 | #define DA9063_REG_BCORE1_CFG 0x9E | |
735 | #define DA9063_REG_BPRO_CFG 0x9F | |
736 | #define DA9063_REG_BIO_CFG 0xA0 | |
737 | #define DA9063_REG_BMEM_CFG 0xA1 | |
738 | #define DA9063_REG_BPERI_CFG 0xA2 | |
739 | #define DA9063_BUCK_MODE_MASK 0xC0 | |
740 | #define DA9063_BUCK_MODE_MANUAL 0x00 | |
741 | #define DA9063_BUCK_MODE_SLEEP 0x40 | |
742 | #define DA9063_BUCK_MODE_SYNC 0x80 | |
743 | #define DA9063_BUCK_MODE_AUTO 0xC0 | |
744 | ||
745 | uchar val; | |
746 | ||
747 | i2c_set_bus_num(I2C_PMIC); | |
748 | ||
749 | i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1); | |
750 | val &= ~DA9063_BUCK_MODE_MASK; | |
751 | val |= DA9063_BUCK_MODE_SYNC; | |
752 | i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1); | |
753 | ||
754 | i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1); | |
755 | val &= ~DA9063_BUCK_MODE_MASK; | |
756 | val |= DA9063_BUCK_MODE_SYNC; | |
757 | i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1); | |
758 | ||
759 | i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1); | |
760 | val &= ~DA9063_BUCK_MODE_MASK; | |
761 | val |= DA9063_BUCK_MODE_SYNC; | |
762 | i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1); | |
763 | ||
764 | i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1); | |
765 | val &= ~DA9063_BUCK_MODE_MASK; | |
766 | val |= DA9063_BUCK_MODE_SYNC; | |
767 | i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1); | |
768 | ||
769 | i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1); | |
770 | val &= ~DA9063_BUCK_MODE_MASK; | |
771 | val |= DA9063_BUCK_MODE_SYNC; | |
772 | i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1); | |
773 | ||
774 | i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1); | |
775 | val &= ~DA9063_BUCK_MODE_MASK; | |
776 | val |= DA9063_BUCK_MODE_SYNC; | |
777 | i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1); | |
778 | } | |
779 | ||
f9162b15 AB |
780 | int board_late_init(void) |
781 | { | |
cf678b31 MW |
782 | read_vpd(CONFIG_SYS_I2C_EEPROM_BUS); |
783 | ||
f9162b15 AB |
784 | #ifdef CONFIG_CMD_BMODE |
785 | add_board_boot_modes(board_boot_modes); | |
786 | #endif | |
0c344e6e | 787 | |
22d358da KL |
788 | /* board specific pmic init */ |
789 | pmic_init(); | |
790 | ||
886678fc NH |
791 | check_time(); |
792 | ||
f9162b15 AB |
793 | return 0; |
794 | } | |
795 | ||
2850645c HL |
796 | /* |
797 | * Removes the 'eth[0-9]*addr' environment variable with the given index | |
798 | * | |
799 | * @param index [in] the index of the eth_device whose variable is to be removed | |
800 | */ | |
801 | static void remove_ethaddr_env_var(int index) | |
802 | { | |
803 | char env_var_name[9]; | |
804 | ||
805 | sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index); | |
806 | env_set(env_var_name, NULL); | |
807 | } | |
808 | ||
cf678b31 MW |
809 | int last_stage_init(void) |
810 | { | |
2850645c HL |
811 | int i; |
812 | ||
813 | /* | |
814 | * Remove first three ethaddr which may have been created by | |
815 | * function process_vpd(). | |
816 | */ | |
817 | for (i = 0; i < 3; ++i) | |
818 | remove_ethaddr_env_var(i); | |
cf678b31 MW |
819 | |
820 | return 0; | |
821 | } | |
822 | ||
f9162b15 AB |
823 | int checkboard(void) |
824 | { | |
825 | printf("BOARD: %s\n", CONFIG_BOARD_NAME); | |
826 | return 0; | |
827 | } | |
6c0e6b45 IR |
828 | |
829 | static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
830 | { | |
831 | #ifdef CONFIG_VIDEO_IPUV3 | |
832 | /* We need at least 200ms between power on and backlight on | |
833 | * as per specifications from CHI MEI */ | |
834 | mdelay(250); | |
835 | ||
836 | /* enable backlight PWM 1 */ | |
837 | pwm_init(0, 0, 0); | |
838 | ||
839 | /* duty cycle 5000000ns, period: 5000000ns */ | |
840 | pwm_config(0, 5000000, 5000000); | |
841 | ||
842 | /* Backlight Power */ | |
843 | gpio_direction_output(LVDS_BACKLIGHT_GP, 1); | |
844 | ||
845 | pwm_enable(0); | |
846 | #endif | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
851 | U_BOOT_CMD( | |
852 | bx50_backlight_enable, 1, 1, do_backlight_enable, | |
853 | "enable Bx50 backlight", | |
854 | "" | |
855 | ); |