1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2015 Timesys Corporation
4 * Copyright 2015 General Electric Company
5 * Copyright 2012 Freescale Semiconductor, Inc.
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>
12 #include <linux/errno.h>
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>
19 #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>
31 #include "../common/ge_common.h"
32 #include "../common/vpd_reader.h"
33 #include "../../../drivers/net/e1000.h"
34 DECLARE_GLOBAL_DATA_PTR;
38 static int confidx = 3; /* Default to b850v3. */
39 static struct vpd_cache vpd;
41 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
42 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
45 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
46 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
47 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
49 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
50 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
51 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
53 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
54 PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
56 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
57 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
59 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
60 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
62 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
63 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
65 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
66 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
67 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
69 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
73 gd->ram_size = imx_ddr_size();
78 static iomux_v3_cfg_t const uart3_pads[] = {
79 MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
80 MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
81 MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
82 MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
85 static iomux_v3_cfg_t const uart4_pads[] = {
86 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
87 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
90 static iomux_v3_cfg_t const enet_pads[] = {
91 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
92 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
93 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
94 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
95 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
96 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
97 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
98 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
99 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
100 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
101 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
102 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
103 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
104 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
105 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
106 /* AR8033 PHY Reset */
107 MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
110 static void setup_iomux_enet(void)
112 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
114 /* Reset AR8033 PHY */
115 gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
117 gpio_set_value(IMX_GPIO_NR(1, 28), 1);
121 static iomux_v3_cfg_t const usdhc2_pads[] = {
122 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
131 static iomux_v3_cfg_t const usdhc3_pads[] = {
132 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
134 MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
135 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
136 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
141 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
142 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
145 static iomux_v3_cfg_t const usdhc4_pads[] = {
146 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
147 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
148 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
149 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
150 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
151 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
152 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
153 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
154 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
155 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
156 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
157 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
160 static iomux_v3_cfg_t const ecspi1_pads[] = {
161 MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
162 MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
163 MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
164 MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
167 static struct i2c_pads_info i2c_pad_info1 = {
169 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
170 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
171 .gp = IMX_GPIO_NR(5, 27)
174 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
175 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
176 .gp = IMX_GPIO_NR(5, 26)
180 static struct i2c_pads_info i2c_pad_info2 = {
182 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
183 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
184 .gp = IMX_GPIO_NR(4, 12)
187 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
188 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
189 .gp = IMX_GPIO_NR(4, 13)
193 static struct i2c_pads_info i2c_pad_info3 = {
195 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
196 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
197 .gp = IMX_GPIO_NR(1, 3)
200 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
201 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
202 .gp = IMX_GPIO_NR(1, 6)
206 #ifdef CONFIG_MXC_SPI
207 int board_spi_cs_gpio(unsigned bus, unsigned cs)
209 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
212 static void setup_spi(void)
214 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
218 static iomux_v3_cfg_t const pcie_pads[] = {
219 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
220 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
223 static void setup_pcie(void)
225 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
228 static void setup_iomux_uart(void)
230 imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
231 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
234 #ifdef CONFIG_FSL_ESDHC
235 struct fsl_esdhc_cfg usdhc_cfg[3] = {
241 #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
242 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
244 int board_mmc_getcd(struct mmc *mmc)
246 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
249 switch (cfg->esdhc_base) {
250 case USDHC2_BASE_ADDR:
251 ret = !gpio_get_value(USDHC2_CD_GPIO);
253 case USDHC3_BASE_ADDR:
254 ret = 1; /* eMMC is always present */
256 case USDHC4_BASE_ADDR:
257 ret = !gpio_get_value(USDHC4_CD_GPIO);
264 int board_mmc_init(bd_t *bis)
269 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
272 imx_iomux_v3_setup_multiple_pads(
273 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
274 gpio_direction_input(USDHC2_CD_GPIO);
275 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
278 imx_iomux_v3_setup_multiple_pads(
279 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
280 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
283 imx_iomux_v3_setup_multiple_pads(
284 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
285 gpio_direction_input(USDHC4_CD_GPIO);
286 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
289 printf("Warning: you configured more USDHC controllers\n"
290 "(%d) then supported by the board (%d)\n",
291 i + 1, CONFIG_SYS_FSL_USDHC_NUM);
295 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
304 static int mx6_rgmii_rework(struct phy_device *phydev)
306 /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
307 /* set device address 0x7 */
308 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
309 /* offset 0x8016: CLK_25M Clock Select */
310 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
311 /* enable register write, no post increment, address 0x7 */
312 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
313 /* set to 125 MHz from local PLL source */
314 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
316 /* rgmii tx clock delay enable */
317 /* set debug port address: SerDes Test and System Mode Control */
318 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
319 /* enable rgmii tx clock delay */
320 /* set the reserved bits to avoid board specific voltage peak issue*/
321 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
326 int board_phy_config(struct phy_device *phydev)
328 mx6_rgmii_rework(phydev);
330 if (phydev->drv->config)
331 phydev->drv->config(phydev);
336 #if defined(CONFIG_VIDEO_IPUV3)
337 static iomux_v3_cfg_t const backlight_pads[] = {
338 /* Power for LVDS Display */
339 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
340 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
341 /* Backlight enable for LVDS display */
342 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
343 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
344 /* backlight PWM brightness control */
345 MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
348 static void do_enable_hdmi(struct display_info_t const *dev)
350 imx_enable_hdmi_phy();
353 int board_cfb_skip(void)
355 gpio_direction_output(LVDS_POWER_GP, 1);
360 static int is_b850v3(void)
365 static int detect_lcd(struct display_info_t const *dev)
370 struct display_info_t const displays[] = {{
373 .pixfmt = IPU_PIX_FMT_RGB24,
374 .detect = detect_lcd,
377 .name = "G121X1-L03",
389 .vmode = FB_VMODE_NONINTERLACED
393 .pixfmt = IPU_PIX_FMT_RGB24,
394 .detect = detect_hdmi,
395 .enable = do_enable_hdmi,
409 .vmode = FB_VMODE_NONINTERLACED
411 size_t display_count = ARRAY_SIZE(displays);
413 static void enable_videopll(void)
415 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
416 s32 timeout = 100000;
418 setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
420 /* PLL_VIDEO 455MHz (24MHz * (37+11/12) / 2)
424 * CS2CDR[LDB_DI0_CLK_SEL]
426 * +----> LDB_DI0_SERIAL_CLK_ROOT
428 * +--> CSCMR2[LDB_DI0_IPU_DIV] --> LDB_DI0_IPU 455 / 7 = 65 MHz
431 clrsetbits_le32(&ccm->analog_pll_video,
432 BM_ANADIG_PLL_VIDEO_DIV_SELECT |
433 BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
434 BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
435 BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1));
437 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
438 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
440 clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
443 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
447 printf("Warning: video pll lock timeout!\n");
449 clrsetbits_le32(&ccm->analog_pll_video,
450 BM_ANADIG_PLL_VIDEO_BYPASS,
451 BM_ANADIG_PLL_VIDEO_ENABLE);
454 static void setup_display_b850v3(void)
456 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
457 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
461 /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
462 setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
466 /* Set LDB_DI0 as clock source for IPU_DI0 */
467 clrsetbits_le32(&mxc_ccm->chsccdr,
468 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
469 (CHSCCDR_CLK_SEL_LDB_DI0 <<
470 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
472 /* Turn on IPU LDB DI0 clocks */
473 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
477 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
478 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
479 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
480 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
481 IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
482 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
483 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
484 IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
485 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
486 IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
489 clrbits_le32(&iomux->gpr[3],
490 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
491 IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
492 IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
495 static void setup_display_bx50v3(void)
497 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
498 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
502 /* When a reset/reboot is performed the display power needs to be turned
503 * off for atleast 500ms. The boot time is ~300ms, we need to wait for
504 * an additional 200ms here. Unfortunately we use external PMIC for
505 * doing the reset, so can not differentiate between POR vs soft reset
509 /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
510 setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
512 /* Set LDB_DI0 as clock source for IPU_DI0 */
513 clrsetbits_le32(&mxc_ccm->chsccdr,
514 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
515 (CHSCCDR_CLK_SEL_LDB_DI0 <<
516 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
518 /* Turn on IPU LDB DI0 clocks */
519 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
523 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
524 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
525 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
526 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
527 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
530 clrsetbits_le32(&iomux->gpr[3],
531 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
532 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
533 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
535 /* backlights off until needed */
536 imx_iomux_v3_setup_multiple_pads(backlight_pads,
537 ARRAY_SIZE(backlight_pads));
538 gpio_direction_input(LVDS_POWER_GP);
539 gpio_direction_input(LVDS_BACKLIGHT_GP);
541 #endif /* CONFIG_VIDEO_IPUV3 */
544 * Do not overwrite the console
545 * Use always serial for U-Boot console
547 int overwrite_console(void)
552 #define VPD_TYPE_INVALID 0x00
553 #define VPD_BLOCK_NETWORK 0x20
554 #define VPD_BLOCK_HWID 0x44
555 #define VPD_PRODUCT_B850 1
556 #define VPD_PRODUCT_B650 2
557 #define VPD_PRODUCT_B450 3
558 #define VPD_HAS_MAC1 0x1
559 #define VPD_HAS_MAC2 0x2
560 #define VPD_MAC_ADDRESS_LENGTH 6
565 unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
566 unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
570 * Extracts MAC and product information from the VPD.
572 static int vpd_callback(void *userdata, u8 id, u8 version, u8 type,
573 size_t size, u8 const *data)
575 struct vpd_cache *vpd = (struct vpd_cache *)userdata;
577 if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
579 vpd->product_id = data[0];
580 } else if (id == VPD_BLOCK_NETWORK && version == 1 &&
581 type != VPD_TYPE_INVALID) {
583 vpd->has |= VPD_HAS_MAC1;
584 memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
587 vpd->has |= VPD_HAS_MAC2;
588 memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
595 static void process_vpd(struct vpd_cache *vpd)
600 switch (vpd->product_id) {
601 case VPD_PRODUCT_B450:
602 env_set("confidx", "1");
606 case VPD_PRODUCT_B650:
607 env_set("confidx", "2");
611 case VPD_PRODUCT_B850:
612 env_set("confidx", "3");
618 if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
619 eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
621 if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
622 eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
625 static int read_vpd(void)
628 static const int size = CONFIG_SYS_VPD_EEPROM_SIZE;
630 unsigned int current_i2c_bus = i2c_get_bus_num();
632 res = i2c_set_bus_num(CONFIG_SYS_VPD_EEPROM_I2C_BUS);
636 data = (uint8_t *)malloc(size);
640 res = i2c_read(CONFIG_SYS_VPD_EEPROM_I2C_ADDR, 0,
641 CONFIG_SYS_VPD_EEPROM_I2C_ADDR_LEN, data, size);
644 memset(&vpd, 0, sizeof(vpd));
645 vpd_reader(size, data, &vpd, vpd_callback);
650 i2c_set_bus_num(current_i2c_bus);
654 int board_eth_init(bd_t *bis)
659 e1000_initialize(bis);
661 return cpu_eth_init(bis);
664 static iomux_v3_cfg_t const misc_pads[] = {
665 MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
666 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
667 MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
668 MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
669 MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
670 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
671 MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
672 MX6_PAD_GPIO_9__WDOG1_B | MUX_PAD_CTRL(NC_PAD_CTRL),
674 #define SUS_S3_OUT IMX_GPIO_NR(4, 11)
675 #define WIFI_EN IMX_GPIO_NR(6, 14)
677 int board_early_init_f(void)
679 imx_iomux_v3_setup_multiple_pads(misc_pads,
680 ARRAY_SIZE(misc_pads));
684 #if defined(CONFIG_VIDEO_IPUV3)
685 /* Set LDB clock to Video PLL */
686 select_ldb_di_clock_source(MXC_PLL5_CLK);
691 static void set_confidx(const struct vpd_cache* vpd)
693 switch (vpd->product_id) {
694 case VPD_PRODUCT_B450:
697 case VPD_PRODUCT_B650:
700 case VPD_PRODUCT_B850:
708 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
709 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
710 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
716 gpio_direction_output(SUS_S3_OUT, 1);
717 gpio_direction_output(WIFI_EN, 1);
718 #if defined(CONFIG_VIDEO_IPUV3)
720 setup_display_b850v3();
722 setup_display_bx50v3();
724 /* address of boot parameters */
725 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
727 #ifdef CONFIG_MXC_SPI
733 #ifdef CONFIG_CMD_BMODE
734 static const struct boot_mode board_boot_modes[] = {
735 /* 4 bit bus width */
736 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
737 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
745 #define DA9063_I2C_ADDR 0x58
746 #define DA9063_REG_BCORE2_CFG 0x9D
747 #define DA9063_REG_BCORE1_CFG 0x9E
748 #define DA9063_REG_BPRO_CFG 0x9F
749 #define DA9063_REG_BIO_CFG 0xA0
750 #define DA9063_REG_BMEM_CFG 0xA1
751 #define DA9063_REG_BPERI_CFG 0xA2
752 #define DA9063_BUCK_MODE_MASK 0xC0
753 #define DA9063_BUCK_MODE_MANUAL 0x00
754 #define DA9063_BUCK_MODE_SLEEP 0x40
755 #define DA9063_BUCK_MODE_SYNC 0x80
756 #define DA9063_BUCK_MODE_AUTO 0xC0
760 i2c_set_bus_num(I2C_PMIC);
762 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
763 val &= ~DA9063_BUCK_MODE_MASK;
764 val |= DA9063_BUCK_MODE_SYNC;
765 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
767 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
768 val &= ~DA9063_BUCK_MODE_MASK;
769 val |= DA9063_BUCK_MODE_SYNC;
770 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
772 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
773 val &= ~DA9063_BUCK_MODE_MASK;
774 val |= DA9063_BUCK_MODE_SYNC;
775 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
777 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
778 val &= ~DA9063_BUCK_MODE_MASK;
779 val |= DA9063_BUCK_MODE_SYNC;
780 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
782 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
783 val &= ~DA9063_BUCK_MODE_MASK;
784 val |= DA9063_BUCK_MODE_SYNC;
785 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
787 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
788 val &= ~DA9063_BUCK_MODE_MASK;
789 val |= DA9063_BUCK_MODE_SYNC;
790 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
793 int board_late_init(void)
797 #ifdef CONFIG_CMD_BMODE
798 add_board_boot_modes(board_boot_modes);
802 env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
804 env_set("videoargs", "video=LVDS-1:1024x768@65");
806 /* board specific pmic init */
815 * Removes the 'eth[0-9]*addr' environment variable with the given index
817 * @param index [in] the index of the eth_device whose variable is to be removed
819 static void remove_ethaddr_env_var(int index)
821 char env_var_name[9];
823 sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
824 env_set(env_var_name, NULL);
827 int last_stage_init(void)
832 * Remove first three ethaddr which may have been created by
833 * function process_vpd().
835 for (i = 0; i < 3; ++i)
836 remove_ethaddr_env_var(i);
843 printf("BOARD: %s\n", CONFIG_BOARD_NAME);
847 static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
849 #ifdef CONFIG_VIDEO_IPUV3
850 /* We need at least 200ms between power on and backlight on
851 * as per specifications from CHI MEI */
854 /* enable backlight PWM 1 */
857 /* duty cycle 5000000ns, period: 5000000ns */
858 pwm_config(0, 5000000, 5000000);
860 /* Backlight Power */
861 gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
870 bx50_backlight_enable, 1, 1, do_backlight_enable,
871 "enable Bx50 backlight",