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 <linux/errno.h>
15 #include <asm/mach-imx/mxc_i2c.h>
16 #include <asm/mach-imx/iomux-v3.h>
17 #include <asm/mach-imx/boot_mode.h>
18 #include <asm/mach-imx/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>
31 #include "../common/vpd_reader.h"
32 DECLARE_GLOBAL_DATA_PTR;
34 #ifndef CONFIG_SYS_I2C_EEPROM_ADDR
35 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
36 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
39 #ifndef CONFIG_SYS_I2C_EEPROM_BUS
40 #define CONFIG_SYS_I2C_EEPROM_BUS 2
43 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
44 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
47 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
48 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
49 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
51 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
52 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
53 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
55 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
56 PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
58 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
59 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
61 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
62 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
64 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
65 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
67 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
68 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
69 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
71 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
75 gd->ram_size = imx_ddr_size();
80 static iomux_v3_cfg_t const uart3_pads[] = {
81 MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
82 MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
83 MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
84 MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
87 static iomux_v3_cfg_t const uart4_pads[] = {
88 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
89 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
92 static iomux_v3_cfg_t const enet_pads[] = {
93 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
94 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
95 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
96 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
97 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
98 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
99 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
100 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
101 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
102 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
103 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
104 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
105 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
106 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
107 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
108 /* AR8033 PHY Reset */
109 MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
112 static void setup_iomux_enet(void)
114 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
116 /* Reset AR8033 PHY */
117 gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
119 gpio_set_value(IMX_GPIO_NR(1, 28), 1);
123 static iomux_v3_cfg_t const usdhc2_pads[] = {
124 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
129 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
130 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
133 static iomux_v3_cfg_t const usdhc3_pads[] = {
134 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
135 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
136 MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
141 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
142 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
143 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
144 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
147 static iomux_v3_cfg_t const usdhc4_pads[] = {
148 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
149 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
150 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
151 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
152 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
153 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
154 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
155 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
156 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
157 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
158 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
159 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
162 static iomux_v3_cfg_t const ecspi1_pads[] = {
163 MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
164 MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
165 MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
166 MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
169 static struct i2c_pads_info i2c_pad_info1 = {
171 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
172 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
173 .gp = IMX_GPIO_NR(5, 27)
176 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
177 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
178 .gp = IMX_GPIO_NR(5, 26)
182 static struct i2c_pads_info i2c_pad_info2 = {
184 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
185 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
186 .gp = IMX_GPIO_NR(4, 12)
189 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
190 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
191 .gp = IMX_GPIO_NR(4, 13)
195 static struct i2c_pads_info i2c_pad_info3 = {
197 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
198 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
199 .gp = IMX_GPIO_NR(1, 3)
202 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
203 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
204 .gp = IMX_GPIO_NR(1, 6)
208 #ifdef CONFIG_MXC_SPI
209 int board_spi_cs_gpio(unsigned bus, unsigned cs)
211 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
214 static void setup_spi(void)
216 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
220 static iomux_v3_cfg_t const pcie_pads[] = {
221 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
222 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
225 static void setup_pcie(void)
227 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
230 static void setup_iomux_uart(void)
232 imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
233 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
236 #ifdef CONFIG_FSL_ESDHC
237 struct fsl_esdhc_cfg usdhc_cfg[3] = {
243 #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
244 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
246 int board_mmc_getcd(struct mmc *mmc)
248 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
251 switch (cfg->esdhc_base) {
252 case USDHC2_BASE_ADDR:
253 ret = !gpio_get_value(USDHC2_CD_GPIO);
255 case USDHC3_BASE_ADDR:
256 ret = 1; /* eMMC is always present */
258 case USDHC4_BASE_ADDR:
259 ret = !gpio_get_value(USDHC4_CD_GPIO);
266 int board_mmc_init(bd_t *bis)
271 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
274 imx_iomux_v3_setup_multiple_pads(
275 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
276 gpio_direction_input(USDHC2_CD_GPIO);
277 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
280 imx_iomux_v3_setup_multiple_pads(
281 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
282 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
285 imx_iomux_v3_setup_multiple_pads(
286 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
287 gpio_direction_input(USDHC4_CD_GPIO);
288 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
291 printf("Warning: you configured more USDHC controllers\n"
292 "(%d) then supported by the board (%d)\n",
293 i + 1, CONFIG_SYS_FSL_USDHC_NUM);
297 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
306 static int mx6_rgmii_rework(struct phy_device *phydev)
308 /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
309 /* set device address 0x7 */
310 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
311 /* offset 0x8016: CLK_25M Clock Select */
312 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
313 /* enable register write, no post increment, address 0x7 */
314 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
315 /* set to 125 MHz from local PLL source */
316 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
318 /* rgmii tx clock delay enable */
319 /* set debug port address: SerDes Test and System Mode Control */
320 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
321 /* enable rgmii tx clock delay */
322 /* set the reserved bits to avoid board specific voltage peak issue*/
323 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
328 int board_phy_config(struct phy_device *phydev)
330 mx6_rgmii_rework(phydev);
332 if (phydev->drv->config)
333 phydev->drv->config(phydev);
338 #if defined(CONFIG_VIDEO_IPUV3)
339 static iomux_v3_cfg_t const backlight_pads[] = {
340 /* Power for LVDS Display */
341 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
342 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
343 /* Backlight enable for LVDS display */
344 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
345 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
346 /* backlight PWM brightness control */
347 MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
350 static void do_enable_hdmi(struct display_info_t const *dev)
352 imx_enable_hdmi_phy();
355 int board_cfb_skip(void)
357 gpio_direction_output(LVDS_POWER_GP, 1);
362 static int detect_baseboard(struct display_info_t const *dev)
364 if (IS_ENABLED(CONFIG_TARGET_GE_B450V3) ||
365 IS_ENABLED(CONFIG_TARGET_GE_B650V3))
371 struct display_info_t const displays[] = {{
374 .pixfmt = IPU_PIX_FMT_RGB24,
375 .detect = detect_baseboard,
378 .name = "G121X1-L03",
390 .vmode = FB_VMODE_NONINTERLACED
394 .pixfmt = IPU_PIX_FMT_RGB24,
395 .detect = detect_hdmi,
396 .enable = do_enable_hdmi,
410 .vmode = FB_VMODE_NONINTERLACED
412 size_t display_count = ARRAY_SIZE(displays);
414 static void enable_videopll(void)
416 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
417 s32 timeout = 100000;
419 setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
421 /* set video pll to 910MHz (24MHz * (37+11/12))
422 * video pll post div to 910/4 = 227.5MHz
424 clrsetbits_le32(&ccm->analog_pll_video,
425 BM_ANADIG_PLL_VIDEO_DIV_SELECT |
426 BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
427 BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
428 BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0));
430 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
431 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
433 clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
436 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
440 printf("Warning: video pll lock timeout!\n");
442 clrsetbits_le32(&ccm->analog_pll_video,
443 BM_ANADIG_PLL_VIDEO_BYPASS,
444 BM_ANADIG_PLL_VIDEO_ENABLE);
447 static void setup_display_b850v3(void)
449 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
450 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
454 /* IPU1 D0 clock is 227.5 / 3.5 = 65MHz */
455 clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
459 /* Set LDB_DI0 as clock source for IPU_DI0 */
460 clrsetbits_le32(&mxc_ccm->chsccdr,
461 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
462 (CHSCCDR_CLK_SEL_LDB_DI0 <<
463 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
465 /* Turn on IPU LDB DI0 clocks */
466 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
470 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
471 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
472 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
473 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
474 IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
475 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
476 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
477 IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
478 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
479 IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
482 clrbits_le32(&iomux->gpr[3],
483 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
484 IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
485 IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
488 static void setup_display_bx50v3(void)
490 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
491 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
493 /* When a reset/reboot is performed the display power needs to be turned
494 * off for atleast 500ms. The boot time is ~300ms, we need to wait for
495 * an additional 200ms here. Unfortunately we use external PMIC for
496 * doing the reset, so can not differentiate between POR vs soft reset
500 /* IPU1 DI0 clock is 480/7 = 68.5 MHz */
501 setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
503 /* Set LDB_DI0 as clock source for IPU_DI0 */
504 clrsetbits_le32(&mxc_ccm->chsccdr,
505 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
506 (CHSCCDR_CLK_SEL_LDB_DI0 <<
507 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
509 /* Turn on IPU LDB DI0 clocks */
510 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
514 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
515 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
516 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
517 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
518 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
521 clrsetbits_le32(&iomux->gpr[3],
522 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
523 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
524 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
526 /* backlights off until needed */
527 imx_iomux_v3_setup_multiple_pads(backlight_pads,
528 ARRAY_SIZE(backlight_pads));
529 gpio_direction_input(LVDS_POWER_GP);
530 gpio_direction_input(LVDS_BACKLIGHT_GP);
532 #endif /* CONFIG_VIDEO_IPUV3 */
535 * Do not overwrite the console
536 * Use always serial for U-Boot console
538 int overwrite_console(void)
543 #define VPD_TYPE_INVALID 0x00
544 #define VPD_BLOCK_NETWORK 0x20
545 #define VPD_BLOCK_HWID 0x44
546 #define VPD_PRODUCT_B850 1
547 #define VPD_PRODUCT_B650 2
548 #define VPD_PRODUCT_B450 3
553 unsigned char mac1[6];
557 * Extracts MAC and product information from the VPD.
559 static int vpd_callback(
567 struct vpd_cache *vpd = (struct vpd_cache *)userdata;
569 if ( id == VPD_BLOCK_HWID
571 && type != VPD_TYPE_INVALID
573 vpd->product_id = data[0];
575 } else if ( id == VPD_BLOCK_NETWORK
577 && type != VPD_TYPE_INVALID
580 memcpy(vpd->mac1, data, 6);
586 static void set_eth0_mac_address(unsigned char * mac)
588 uint32_t *ENET_TCR = (uint32_t*)0x21880c4;
589 uint32_t *ENET_PALR = (uint32_t*)0x21880e4;
590 uint32_t *ENET_PAUR = (uint32_t*)0x21880e8;
592 *ENET_TCR |= 0x100; /* ADDINS */
593 *ENET_PALR |= (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
594 *ENET_PAUR |= (mac[4] << 24) | (mac[5] << 16);
597 static void process_vpd(struct vpd_cache *vpd)
599 if ( vpd->product_id == VPD_PRODUCT_B850
600 || vpd->product_id == VPD_PRODUCT_B650
601 || vpd->product_id == VPD_PRODUCT_B450) {
602 if (vpd->macbits & 1) {
603 set_eth0_mac_address(vpd->mac1);
608 static int read_vpd(uint eeprom_bus)
610 struct vpd_cache vpd;
614 unsigned int current_i2c_bus = i2c_get_bus_num();
616 res = i2c_set_bus_num(eeprom_bus);
620 data = (uint8_t *)malloc(size);
624 res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
625 CONFIG_SYS_I2C_EEPROM_ADDR_LEN, data, size);
628 memset(&vpd, 0, sizeof(vpd));
629 vpd_reader(size, data, &vpd, vpd_callback);
635 i2c_set_bus_num(current_i2c_bus);
639 int board_eth_init(bd_t *bis)
644 return cpu_eth_init(bis);
647 static iomux_v3_cfg_t const misc_pads[] = {
648 MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
649 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
650 MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
651 MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
652 MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
653 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
654 MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
656 #define SUS_S3_OUT IMX_GPIO_NR(4, 11)
657 #define WIFI_EN IMX_GPIO_NR(6, 14)
659 int board_early_init_f(void)
661 imx_iomux_v3_setup_multiple_pads(misc_pads,
662 ARRAY_SIZE(misc_pads));
666 #if defined(CONFIG_VIDEO_IPUV3)
667 if (IS_ENABLED(CONFIG_TARGET_GE_B850V3))
668 /* Set LDB clock to Video PLL */
669 select_ldb_di_clock_source(MXC_PLL5_CLK);
671 /* Set LDB clock to USB PLL */
672 select_ldb_di_clock_source(MXC_PLL3_SW_CLK);
679 gpio_direction_output(SUS_S3_OUT, 1);
680 gpio_direction_output(WIFI_EN, 1);
681 #if defined(CONFIG_VIDEO_IPUV3)
682 if (IS_ENABLED(CONFIG_TARGET_GE_B850V3))
683 setup_display_b850v3();
685 setup_display_bx50v3();
687 /* address of boot parameters */
688 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
690 #ifdef CONFIG_MXC_SPI
693 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
694 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
695 setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
697 read_vpd(CONFIG_SYS_I2C_EEPROM_BUS);
702 #ifdef CONFIG_CMD_BMODE
703 static const struct boot_mode board_boot_modes[] = {
704 /* 4 bit bus width */
705 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
706 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
714 #define DA9063_I2C_ADDR 0x58
715 #define DA9063_REG_BCORE2_CFG 0x9D
716 #define DA9063_REG_BCORE1_CFG 0x9E
717 #define DA9063_REG_BPRO_CFG 0x9F
718 #define DA9063_REG_BIO_CFG 0xA0
719 #define DA9063_REG_BMEM_CFG 0xA1
720 #define DA9063_REG_BPERI_CFG 0xA2
721 #define DA9063_BUCK_MODE_MASK 0xC0
722 #define DA9063_BUCK_MODE_MANUAL 0x00
723 #define DA9063_BUCK_MODE_SLEEP 0x40
724 #define DA9063_BUCK_MODE_SYNC 0x80
725 #define DA9063_BUCK_MODE_AUTO 0xC0
729 i2c_set_bus_num(I2C_PMIC);
731 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
732 val &= ~DA9063_BUCK_MODE_MASK;
733 val |= DA9063_BUCK_MODE_SYNC;
734 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
736 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
737 val &= ~DA9063_BUCK_MODE_MASK;
738 val |= DA9063_BUCK_MODE_SYNC;
739 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
741 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
742 val &= ~DA9063_BUCK_MODE_MASK;
743 val |= DA9063_BUCK_MODE_SYNC;
744 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
746 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
747 val &= ~DA9063_BUCK_MODE_MASK;
748 val |= DA9063_BUCK_MODE_SYNC;
749 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
751 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
752 val &= ~DA9063_BUCK_MODE_MASK;
753 val |= DA9063_BUCK_MODE_SYNC;
754 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
756 i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
757 val &= ~DA9063_BUCK_MODE_MASK;
758 val |= DA9063_BUCK_MODE_SYNC;
759 i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
762 int board_late_init(void)
764 #ifdef CONFIG_CMD_BMODE
765 add_board_boot_modes(board_boot_modes);
768 #ifdef CONFIG_VIDEO_IPUV3
769 /* We need at least 200ms between power on and backlight on
770 * as per specifications from CHI MEI */
773 /* enable backlight PWM 1 */
776 /* duty cycle 5000000ns, period: 5000000ns */
777 pwm_config(0, 5000000, 5000000);
779 /* Backlight Power */
780 gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
785 /* board specific pmic init */
793 printf("BOARD: %s\n", CONFIG_BOARD_NAME);