2 * Copyright 2015 Timesys Corporation
3 * Copyright 2015 General Electric Company
4 * Copyright 2012 Freescale Semiconductor, Inc.
6 * SPDX-License-Identifier: GPL-2.0+
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 <asm/errno.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>
20 #include <fsl_esdhc.h>
23 #include <asm/arch/mxc_hdmi.h>
24 #include <asm/arch/crm_regs.h>
26 #include <asm/arch/sys_proto.h>
29 DECLARE_GLOBAL_DATA_PTR
;
31 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
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)
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)
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)
46 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
47 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
49 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
50 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
52 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
53 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
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)
59 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
63 gd
->ram_size
= get_ram_size((void *)PHYS_SDRAM
, PHYS_SDRAM_SIZE
);
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
),
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
),
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
),
100 static void setup_iomux_enet(void)
102 imx_iomux_v3_setup_multiple_pads(enet_pads
, ARRAY_SIZE(enet_pads
));
104 /* Reset AR8033 PHY */
105 gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
107 gpio_set_value(IMX_GPIO_NR(1, 28), 1);
110 static iomux_v3_cfg_t
const usdhc2_pads
[] = {
111 MX6_PAD_SD2_CLK__SD2_CLK
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
112 MX6_PAD_SD2_CMD__SD2_CMD
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
113 MX6_PAD_SD2_DAT0__SD2_DATA0
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
114 MX6_PAD_SD2_DAT1__SD2_DATA1
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
115 MX6_PAD_SD2_DAT2__SD2_DATA2
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
116 MX6_PAD_SD2_DAT3__SD2_DATA3
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
117 MX6_PAD_GPIO_4__GPIO1_IO04
| MUX_PAD_CTRL(NO_PAD_CTRL
),
120 static iomux_v3_cfg_t
const usdhc3_pads
[] = {
121 MX6_PAD_SD3_CLK__SD3_CLK
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
122 MX6_PAD_SD3_CMD__SD3_CMD
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
123 MX6_PAD_SD3_RST__SD3_RESET
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
124 MX6_PAD_SD3_DAT0__SD3_DATA0
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
125 MX6_PAD_SD3_DAT1__SD3_DATA1
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
126 MX6_PAD_SD3_DAT2__SD3_DATA2
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
127 MX6_PAD_SD3_DAT3__SD3_DATA3
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
128 MX6_PAD_SD3_DAT4__SD3_DATA4
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
129 MX6_PAD_SD3_DAT5__SD3_DATA5
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
130 MX6_PAD_SD3_DAT6__SD3_DATA6
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
131 MX6_PAD_SD3_DAT7__SD3_DATA7
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
134 static iomux_v3_cfg_t
const usdhc4_pads
[] = {
135 MX6_PAD_SD4_CLK__SD4_CLK
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
136 MX6_PAD_SD4_CMD__SD4_CMD
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
137 MX6_PAD_SD4_DAT0__SD4_DATA0
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
138 MX6_PAD_SD4_DAT1__SD4_DATA1
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
139 MX6_PAD_SD4_DAT2__SD4_DATA2
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
140 MX6_PAD_SD4_DAT3__SD4_DATA3
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
141 MX6_PAD_SD4_DAT4__SD4_DATA4
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
142 MX6_PAD_SD4_DAT5__SD4_DATA5
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
143 MX6_PAD_SD4_DAT6__SD4_DATA6
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
144 MX6_PAD_SD4_DAT7__SD4_DATA7
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
145 MX6_PAD_NANDF_CS0__GPIO6_IO11
| MUX_PAD_CTRL(NO_PAD_CTRL
),
146 MX6_PAD_NANDF_CS1__GPIO6_IO14
| MUX_PAD_CTRL(NO_PAD_CTRL
),
149 static iomux_v3_cfg_t
const ecspi1_pads
[] = {
150 MX6_PAD_EIM_D16__ECSPI1_SCLK
| MUX_PAD_CTRL(SPI_PAD_CTRL
),
151 MX6_PAD_EIM_D17__ECSPI1_MISO
| MUX_PAD_CTRL(SPI_PAD_CTRL
),
152 MX6_PAD_EIM_D18__ECSPI1_MOSI
| MUX_PAD_CTRL(SPI_PAD_CTRL
),
153 MX6_PAD_EIM_EB2__GPIO2_IO30
| MUX_PAD_CTRL(NO_PAD_CTRL
),
156 static struct i2c_pads_info i2c_pad_info1
= {
158 .i2c_mode
= MX6_PAD_CSI0_DAT9__I2C1_SCL
| I2C_PAD
,
159 .gpio_mode
= MX6_PAD_CSI0_DAT9__GPIO5_IO27
| I2C_PAD
,
160 .gp
= IMX_GPIO_NR(5, 27)
163 .i2c_mode
= MX6_PAD_CSI0_DAT8__I2C1_SDA
| I2C_PAD
,
164 .gpio_mode
= MX6_PAD_CSI0_DAT8__GPIO5_IO26
| I2C_PAD
,
165 .gp
= IMX_GPIO_NR(5, 26)
169 static struct i2c_pads_info i2c_pad_info2
= {
171 .i2c_mode
= MX6_PAD_KEY_COL3__I2C2_SCL
| I2C_PAD
,
172 .gpio_mode
= MX6_PAD_KEY_COL3__GPIO4_IO12
| I2C_PAD
,
173 .gp
= IMX_GPIO_NR(4, 12)
176 .i2c_mode
= MX6_PAD_KEY_ROW3__I2C2_SDA
| I2C_PAD
,
177 .gpio_mode
= MX6_PAD_KEY_ROW3__GPIO4_IO13
| I2C_PAD
,
178 .gp
= IMX_GPIO_NR(4, 13)
182 static struct i2c_pads_info i2c_pad_info3
= {
184 .i2c_mode
= MX6_PAD_GPIO_3__I2C3_SCL
| I2C_PAD
,
185 .gpio_mode
= MX6_PAD_GPIO_3__GPIO1_IO03
| I2C_PAD
,
186 .gp
= IMX_GPIO_NR(1, 3)
189 .i2c_mode
= MX6_PAD_GPIO_6__I2C3_SDA
| I2C_PAD
,
190 .gpio_mode
= MX6_PAD_GPIO_6__GPIO1_IO06
| I2C_PAD
,
191 .gp
= IMX_GPIO_NR(1, 6)
195 #ifdef CONFIG_MXC_SPI
196 int board_spi_cs_gpio(unsigned bus
, unsigned cs
)
198 return (bus
== 0 && cs
== 0) ? (IMX_GPIO_NR(2, 30)) : -1;
201 static void setup_spi(void)
203 imx_iomux_v3_setup_multiple_pads(ecspi1_pads
, ARRAY_SIZE(ecspi1_pads
));
207 static iomux_v3_cfg_t
const pcie_pads
[] = {
208 MX6_PAD_GPIO_5__GPIO1_IO05
| MUX_PAD_CTRL(NO_PAD_CTRL
),
209 MX6_PAD_GPIO_17__GPIO7_IO12
| MUX_PAD_CTRL(NO_PAD_CTRL
),
212 static void setup_pcie(void)
214 imx_iomux_v3_setup_multiple_pads(pcie_pads
, ARRAY_SIZE(pcie_pads
));
217 static void setup_iomux_uart(void)
219 imx_iomux_v3_setup_multiple_pads(uart3_pads
, ARRAY_SIZE(uart3_pads
));
220 imx_iomux_v3_setup_multiple_pads(uart4_pads
, ARRAY_SIZE(uart4_pads
));
223 #ifdef CONFIG_FSL_ESDHC
224 struct fsl_esdhc_cfg usdhc_cfg
[3] = {
230 #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
231 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
233 int board_mmc_getcd(struct mmc
*mmc
)
235 struct fsl_esdhc_cfg
*cfg
= (struct fsl_esdhc_cfg
*)mmc
->priv
;
238 switch (cfg
->esdhc_base
) {
239 case USDHC2_BASE_ADDR
:
240 ret
= !gpio_get_value(USDHC2_CD_GPIO
);
242 case USDHC3_BASE_ADDR
:
243 ret
= 1; /* eMMC is always present */
245 case USDHC4_BASE_ADDR
:
246 ret
= !gpio_get_value(USDHC4_CD_GPIO
);
253 int board_mmc_init(bd_t
*bis
)
258 for (i
= 0; i
< CONFIG_SYS_FSL_USDHC_NUM
; i
++) {
261 imx_iomux_v3_setup_multiple_pads(
262 usdhc2_pads
, ARRAY_SIZE(usdhc2_pads
));
263 gpio_direction_input(USDHC2_CD_GPIO
);
264 usdhc_cfg
[0].sdhc_clk
= mxc_get_clock(MXC_ESDHC2_CLK
);
267 imx_iomux_v3_setup_multiple_pads(
268 usdhc3_pads
, ARRAY_SIZE(usdhc3_pads
));
269 usdhc_cfg
[1].sdhc_clk
= mxc_get_clock(MXC_ESDHC3_CLK
);
272 imx_iomux_v3_setup_multiple_pads(
273 usdhc4_pads
, ARRAY_SIZE(usdhc4_pads
));
274 gpio_direction_input(USDHC4_CD_GPIO
);
275 usdhc_cfg
[2].sdhc_clk
= mxc_get_clock(MXC_ESDHC4_CLK
);
278 printf("Warning: you configured more USDHC controllers\n"
279 "(%d) then supported by the board (%d)\n",
280 i
+ 1, CONFIG_SYS_FSL_USDHC_NUM
);
284 ret
= fsl_esdhc_initialize(bis
, &usdhc_cfg
[i
]);
293 static int mx6_rgmii_rework(struct phy_device
*phydev
)
295 /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
296 /* set device address 0x7 */
297 phy_write(phydev
, MDIO_DEVAD_NONE
, 0xd, 0x7);
298 /* offset 0x8016: CLK_25M Clock Select */
299 phy_write(phydev
, MDIO_DEVAD_NONE
, 0xe, 0x8016);
300 /* enable register write, no post increment, address 0x7 */
301 phy_write(phydev
, MDIO_DEVAD_NONE
, 0xd, 0x4007);
302 /* set to 125 MHz from local PLL source */
303 phy_write(phydev
, MDIO_DEVAD_NONE
, 0xe, 0x18);
305 /* rgmii tx clock delay enable */
306 /* set debug port address: SerDes Test and System Mode Control */
307 phy_write(phydev
, MDIO_DEVAD_NONE
, 0x1d, 0x05);
308 /* enable rgmii tx clock delay */
309 phy_write(phydev
, MDIO_DEVAD_NONE
, 0x1e, 0x100);
314 int board_phy_config(struct phy_device
*phydev
)
316 mx6_rgmii_rework(phydev
);
318 if (phydev
->drv
->config
)
319 phydev
->drv
->config(phydev
);
324 #if defined(CONFIG_VIDEO_IPUV3)
325 static iomux_v3_cfg_t
const backlight_pads
[] = {
326 /* Power for LVDS Display */
327 MX6_PAD_EIM_D22__GPIO3_IO22
| MUX_PAD_CTRL(NO_PAD_CTRL
),
328 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
329 /* Backlight enable for LVDS display */
330 MX6_PAD_GPIO_0__GPIO1_IO00
| MUX_PAD_CTRL(NO_PAD_CTRL
),
331 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
332 /* backlight PWM brightness control */
333 MX6_PAD_SD1_DAT3__PWM1_OUT
| MUX_PAD_CTRL(NO_PAD_CTRL
),
336 static void do_enable_hdmi(struct display_info_t
const *dev
)
338 imx_enable_hdmi_phy();
341 int board_cfb_skip(void)
343 gpio_direction_output(LVDS_POWER_GP
, 1);
348 static int detect_baseboard(struct display_info_t
const *dev
)
350 if (IS_ENABLED(CONFIG_TARGET_GE_B450V3
) ||
351 IS_ENABLED(CONFIG_TARGET_GE_B650V3
))
357 struct display_info_t
const displays
[] = {{
360 .pixfmt
= IPU_PIX_FMT_RGB24
,
361 .detect
= detect_baseboard
,
364 .name
= "G121X1-L03",
376 .vmode
= FB_VMODE_NONINTERLACED
380 .pixfmt
= IPU_PIX_FMT_RGB24
,
381 .detect
= detect_hdmi
,
382 .enable
= do_enable_hdmi
,
396 .vmode
= FB_VMODE_NONINTERLACED
398 size_t display_count
= ARRAY_SIZE(displays
);
400 static void enable_videopll(void)
402 struct mxc_ccm_reg
*ccm
= (struct mxc_ccm_reg
*)CCM_BASE_ADDR
;
403 s32 timeout
= 100000;
405 setbits_le32(&ccm
->analog_pll_video
, BM_ANADIG_PLL_VIDEO_POWERDOWN
);
407 /* set video pll to 910MHz (24MHz * (37+11/12))
408 * video pll post div to 910/4 = 227.5MHz
410 clrsetbits_le32(&ccm
->analog_pll_video
,
411 BM_ANADIG_PLL_VIDEO_DIV_SELECT
|
412 BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT
,
413 BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
414 BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0));
416 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm
->analog_pll_video_num
);
417 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm
->analog_pll_video_denom
);
419 clrbits_le32(&ccm
->analog_pll_video
, BM_ANADIG_PLL_VIDEO_POWERDOWN
);
422 if (readl(&ccm
->analog_pll_video
) & BM_ANADIG_PLL_VIDEO_LOCK
)
426 printf("Warning: video pll lock timeout!\n");
428 clrsetbits_le32(&ccm
->analog_pll_video
,
429 BM_ANADIG_PLL_VIDEO_BYPASS
,
430 BM_ANADIG_PLL_VIDEO_ENABLE
);
433 static void setup_display_b850v3(void)
435 struct mxc_ccm_reg
*mxc_ccm
= (struct mxc_ccm_reg
*)CCM_BASE_ADDR
;
436 struct iomuxc
*iomux
= (struct iomuxc
*)IOMUXC_BASE_ADDR
;
440 /* IPU1 D0 clock is 227.5 / 3.5 = 65MHz */
441 clrbits_le32(&mxc_ccm
->cscmr2
, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV
);
445 /* Set LDB_DI0 as clock source for IPU_DI0 */
446 clrsetbits_le32(&mxc_ccm
->chsccdr
,
447 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK
,
448 (CHSCCDR_CLK_SEL_LDB_DI0
<<
449 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET
));
451 /* Turn on IPU LDB DI0 clocks */
452 setbits_le32(&mxc_ccm
->CCGR3
, MXC_CCM_CCGR3_LDB_DI0_MASK
);
456 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
|
457 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
|
458 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
|
459 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
|
460 IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT
|
461 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
|
462 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT
|
463 IOMUXC_GPR2_SPLIT_MODE_EN_MASK
|
464 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0
|
465 IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0
,
468 clrbits_le32(&iomux
->gpr
[3],
469 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
|
470 IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
|
471 IOMUXC_GPR3_HDMI_MUX_CTL_MASK
);
474 static void setup_display_bx50v3(void)
476 struct mxc_ccm_reg
*mxc_ccm
= (struct mxc_ccm_reg
*)CCM_BASE_ADDR
;
477 struct iomuxc
*iomux
= (struct iomuxc
*)IOMUXC_BASE_ADDR
;
479 /* When a reset/reboot is performed the display power needs to be turned
480 * off for atleast 500ms. The boot time is ~300ms, we need to wait for
481 * an additional 200ms here. Unfortunately we use external PMIC for
482 * doing the reset, so can not differentiate between POR vs soft reset
486 /* IPU1 DI0 clock is 480/7 = 68.5 MHz */
487 setbits_le32(&mxc_ccm
->cscmr2
, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV
);
489 /* Set LDB_DI0 as clock source for IPU_DI0 */
490 clrsetbits_le32(&mxc_ccm
->chsccdr
,
491 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK
,
492 (CHSCCDR_CLK_SEL_LDB_DI0
<<
493 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET
));
495 /* Turn on IPU LDB DI0 clocks */
496 setbits_le32(&mxc_ccm
->CCGR3
, MXC_CCM_CCGR3_LDB_DI0_MASK
);
500 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
|
501 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
|
502 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
|
503 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT
|
504 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0
,
507 clrsetbits_le32(&iomux
->gpr
[3],
508 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
,
509 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
<<
510 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET
));
512 /* backlights off until needed */
513 imx_iomux_v3_setup_multiple_pads(backlight_pads
,
514 ARRAY_SIZE(backlight_pads
));
515 gpio_direction_input(LVDS_POWER_GP
);
516 gpio_direction_input(LVDS_BACKLIGHT_GP
);
518 #endif /* CONFIG_VIDEO_IPUV3 */
521 * Do not overwrite the console
522 * Use always serial for U-Boot console
524 int overwrite_console(void)
529 int board_eth_init(bd_t
*bis
)
534 return cpu_eth_init(bis
);
537 static iomux_v3_cfg_t
const misc_pads
[] = {
538 MX6_PAD_KEY_ROW2__GPIO4_IO11
| MUX_PAD_CTRL(NO_PAD_CTRL
),
539 MX6_PAD_EIM_A25__GPIO5_IO02
| MUX_PAD_CTRL(NC_PAD_CTRL
),
540 MX6_PAD_EIM_CS0__GPIO2_IO23
| MUX_PAD_CTRL(NC_PAD_CTRL
),
541 MX6_PAD_EIM_CS1__GPIO2_IO24
| MUX_PAD_CTRL(NC_PAD_CTRL
),
542 MX6_PAD_EIM_OE__GPIO2_IO25
| MUX_PAD_CTRL(NC_PAD_CTRL
),
543 MX6_PAD_EIM_BCLK__GPIO6_IO31
| MUX_PAD_CTRL(NC_PAD_CTRL
),
544 MX6_PAD_GPIO_1__GPIO1_IO01
| MUX_PAD_CTRL(NC_PAD_CTRL
),
546 #define SUS_S3_OUT IMX_GPIO_NR(4, 11)
547 #define WIFI_EN IMX_GPIO_NR(6, 14)
549 int board_early_init_f(void)
551 imx_iomux_v3_setup_multiple_pads(misc_pads
,
552 ARRAY_SIZE(misc_pads
));
556 #if defined(CONFIG_VIDEO_IPUV3)
557 if (IS_ENABLED(CONFIG_TARGET_GE_B850V3
))
558 /* Set LDB clock to Video PLL */
559 select_ldb_di_clock_source(MXC_PLL5_CLK
);
561 /* Set LDB clock to USB PLL */
562 select_ldb_di_clock_source(MXC_PLL3_SW_CLK
);
569 gpio_direction_output(SUS_S3_OUT
, 1);
570 gpio_direction_output(WIFI_EN
, 1);
571 #if defined(CONFIG_VIDEO_IPUV3)
572 if (IS_ENABLED(CONFIG_TARGET_GE_B850V3
))
573 setup_display_b850v3();
575 setup_display_bx50v3();
577 /* address of boot parameters */
578 gd
->bd
->bi_boot_params
= PHYS_SDRAM
+ 0x100;
580 #ifdef CONFIG_MXC_SPI
583 setup_i2c(1, CONFIG_SYS_I2C_SPEED
, 0x7f, &i2c_pad_info1
);
584 setup_i2c(2, CONFIG_SYS_I2C_SPEED
, 0x7f, &i2c_pad_info2
);
585 setup_i2c(3, CONFIG_SYS_I2C_SPEED
, 0x7f, &i2c_pad_info3
);
590 #ifdef CONFIG_CMD_BMODE
591 static const struct boot_mode board_boot_modes
[] = {
592 /* 4 bit bus width */
593 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
594 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
599 int board_late_init(void)
601 #ifdef CONFIG_CMD_BMODE
602 add_board_boot_modes(board_boot_modes
);
604 /* We need at least 200ms between power on and backlight on
605 * as per specifications from CHI MEI */
608 /* enable backlight PWM 1 */
611 /* duty cycle 5000000ns, period: 5000000ns */
612 pwm_config(0, 5000000, 5000000);
614 /* Backlight Power */
615 gpio_direction_output(LVDS_BACKLIGHT_GP
, 1);
624 printf("BOARD: %s\n", CONFIG_BOARD_NAME
);