2 * Copyright (C) 2013 Gateworks Corporation
4 * Author: Tim Harvey <tharvey@gateworks.com>
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/clock.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/iomux.h>
14 #include <asm/arch/mx6-pins.h>
15 #include <asm/arch/mxc_hdmi.h>
16 #include <asm/arch/crm_regs.h>
17 #include <asm/arch/sys_proto.h>
19 #include <asm/imx-common/iomux-v3.h>
20 #include <asm/imx-common/mxc_i2c.h>
21 #include <asm/imx-common/boot_mode.h>
22 #include <asm/imx-common/sata.h>
23 #include <asm/imx-common/spi.h>
24 #include <asm/imx-common/video.h>
25 #include <jffs2/load_kernel.h>
28 #include <linux/ctype.h>
29 #include <fdt_support.h>
30 #include <fsl_esdhc.h>
36 #include <power/pmic.h>
37 #include <power/ltc3676_pmic.h>
38 #include <power/pfuze100_pmic.h>
39 #include <fdt_support.h>
40 #include <jffs2/load_kernel.h>
41 #include <spi_flash.h>
44 #include "ventana_eeprom.h"
46 DECLARE_GLOBAL_DATA_PTR;
48 /* GPIO's common to all baseboards */
49 #define GP_PHY_RST IMX_GPIO_NR(1, 30)
50 #define GP_USB_OTG_PWR IMX_GPIO_NR(3, 22)
51 #define GP_SD3_CD IMX_GPIO_NR(7, 0)
52 #define GP_RS232_EN IMX_GPIO_NR(2, 11)
53 #define GP_MSATA_SEL IMX_GPIO_NR(2, 8)
55 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
56 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
57 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
59 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
60 PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
61 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
63 #define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
64 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
65 PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
67 #define SPI_PAD_CTRL (PAD_CTL_HYS | \
68 PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
69 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
71 #define DIO_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
72 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
73 PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST)
75 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
76 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
77 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
79 #define IRQ_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
80 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
81 PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST)
83 #define DIO_PAD_CFG (MUX_PAD_CTRL(DIO_PAD_CTRL) | MUX_MODE_SION)
87 * EEPROM board info struct populated by read_eeprom so that we only have to
90 struct ventana_board_info ventana_info;
92 static int board_type;
94 /* UART1: Function varies per baseboard */
95 static iomux_v3_cfg_t const uart1_pads[] = {
96 IOMUX_PADS(PAD_SD3_DAT6__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
97 IOMUX_PADS(PAD_SD3_DAT7__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
100 /* UART2: Serial Console */
101 static iomux_v3_cfg_t const uart2_pads[] = {
102 IOMUX_PADS(PAD_SD4_DAT7__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
103 IOMUX_PADS(PAD_SD4_DAT4__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
106 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
109 static struct i2c_pads_info mx6q_i2c_pad_info0 = {
111 .i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | PC,
112 .gpio_mode = MX6Q_PAD_EIM_D21__GPIO3_IO21 | PC,
113 .gp = IMX_GPIO_NR(3, 21)
116 .i2c_mode = MX6Q_PAD_EIM_D28__I2C1_SDA | PC,
117 .gpio_mode = MX6Q_PAD_EIM_D28__GPIO3_IO28 | PC,
118 .gp = IMX_GPIO_NR(3, 28)
121 static struct i2c_pads_info mx6dl_i2c_pad_info0 = {
123 .i2c_mode = MX6DL_PAD_EIM_D21__I2C1_SCL | PC,
124 .gpio_mode = MX6DL_PAD_EIM_D21__GPIO3_IO21 | PC,
125 .gp = IMX_GPIO_NR(3, 21)
128 .i2c_mode = MX6DL_PAD_EIM_D28__I2C1_SDA | PC,
129 .gpio_mode = MX6DL_PAD_EIM_D28__GPIO3_IO28 | PC,
130 .gp = IMX_GPIO_NR(3, 28)
134 /* I2C2: PMIC/PCIe Switch/PCIe Clock/Mezz */
135 static struct i2c_pads_info mx6q_i2c_pad_info1 = {
137 .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC,
138 .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC,
139 .gp = IMX_GPIO_NR(4, 12)
142 .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC,
143 .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | PC,
144 .gp = IMX_GPIO_NR(4, 13)
147 static struct i2c_pads_info mx6dl_i2c_pad_info1 = {
149 .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC,
150 .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC,
151 .gp = IMX_GPIO_NR(4, 12)
154 .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | PC,
155 .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | PC,
156 .gp = IMX_GPIO_NR(4, 13)
160 /* I2C3: Misc/Expansion */
161 static struct i2c_pads_info mx6q_i2c_pad_info2 = {
163 .i2c_mode = MX6Q_PAD_GPIO_3__I2C3_SCL | PC,
164 .gpio_mode = MX6Q_PAD_GPIO_3__GPIO1_IO03 | PC,
165 .gp = IMX_GPIO_NR(1, 3)
168 .i2c_mode = MX6Q_PAD_GPIO_6__I2C3_SDA | PC,
169 .gpio_mode = MX6Q_PAD_GPIO_6__GPIO1_IO06 | PC,
170 .gp = IMX_GPIO_NR(1, 6)
173 static struct i2c_pads_info mx6dl_i2c_pad_info2 = {
175 .i2c_mode = MX6DL_PAD_GPIO_3__I2C3_SCL | PC,
176 .gpio_mode = MX6DL_PAD_GPIO_3__GPIO1_IO03 | PC,
177 .gp = IMX_GPIO_NR(1, 3)
180 .i2c_mode = MX6DL_PAD_GPIO_6__I2C3_SDA | PC,
181 .gpio_mode = MX6DL_PAD_GPIO_6__GPIO1_IO06 | PC,
182 .gp = IMX_GPIO_NR(1, 6)
187 static iomux_v3_cfg_t const usdhc3_pads[] = {
188 IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
189 IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
190 IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
191 IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
192 IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
193 IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
195 IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
199 static iomux_v3_cfg_t const enet_pads[] = {
200 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
201 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
202 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
203 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
204 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
205 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
206 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
207 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
208 MUX_PAD_CTRL(ENET_PAD_CTRL)),
209 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
210 MUX_PAD_CTRL(ENET_PAD_CTRL)),
211 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
212 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
213 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
214 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
215 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
216 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
217 MUX_PAD_CTRL(ENET_PAD_CTRL)),
219 IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | DIO_PAD_CFG),
223 static iomux_v3_cfg_t const nfc_pads[] = {
224 IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)),
225 IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)),
226 IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
227 IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
228 IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
229 IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
230 IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
231 IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
232 IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
233 IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
234 IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)),
235 IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
236 IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
237 IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
238 IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
241 #ifdef CONFIG_CMD_NAND
242 static void setup_gpmi_nand(void)
244 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
246 /* config gpmi nand iomux */
247 SETUP_IOMUX_PADS(nfc_pads);
249 /* config gpmi and bch clock to 100 MHz */
250 clrsetbits_le32(&mxc_ccm->cs2cdr,
251 MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
252 MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
253 MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
254 MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
255 MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
256 MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
258 /* enable gpmi and bch clock gating */
259 setbits_le32(&mxc_ccm->CCGR4,
260 MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
261 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
262 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
263 MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
264 MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
266 /* enable apbh clock gating */
267 setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
271 static void setup_iomux_enet(void)
273 SETUP_IOMUX_PADS(enet_pads);
275 /* toggle PHY_RST# */
276 gpio_direction_output(GP_PHY_RST, 0);
278 gpio_set_value(GP_PHY_RST, 1);
281 static void setup_iomux_uart(void)
283 SETUP_IOMUX_PADS(uart1_pads);
284 SETUP_IOMUX_PADS(uart2_pads);
287 #ifdef CONFIG_USB_EHCI_MX6
288 static iomux_v3_cfg_t const usb_pads[] = {
289 IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | DIO_PAD_CFG),
290 IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | DIO_PAD_CFG),
292 IOMUX_PADS(PAD_EIM_D22__GPIO3_IO22 | DIO_PAD_CFG),
295 int board_ehci_hcd_init(int port)
297 struct ventana_board_info *info = &ventana_info;
299 SETUP_IOMUX_PADS(usb_pads);
301 /* Reset USB HUB (present on GW54xx/GW53xx) */
302 switch (info->model[3]) {
303 case '3': /* GW53xx */
304 case '5': /* GW552x */
305 SETUP_IOMUX_PAD(PAD_GPIO_9__GPIO1_IO09 | DIO_PAD_CFG);
306 gpio_direction_output(IMX_GPIO_NR(1, 9), 0);
308 gpio_set_value(IMX_GPIO_NR(1, 9), 1);
310 case '4': /* GW54xx */
311 SETUP_IOMUX_PAD(PAD_SD1_DAT0__GPIO1_IO16 | DIO_PAD_CFG);
312 gpio_direction_output(IMX_GPIO_NR(1, 16), 0);
314 gpio_set_value(IMX_GPIO_NR(1, 16), 1);
321 int board_ehci_power(int port, int on)
325 gpio_set_value(GP_USB_OTG_PWR, on);
328 #endif /* CONFIG_USB_EHCI_MX6 */
330 #ifdef CONFIG_FSL_ESDHC
331 static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR };
333 int board_mmc_getcd(struct mmc *mmc)
336 gpio_direction_input(GP_SD3_CD);
337 return !gpio_get_value(GP_SD3_CD);
340 int board_mmc_init(bd_t *bis)
342 /* Only one USDHC controller on Ventana */
343 SETUP_IOMUX_PADS(usdhc3_pads);
344 usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
345 usdhc_cfg.max_bus_width = 4;
347 return fsl_esdhc_initialize(bis, &usdhc_cfg);
349 #endif /* CONFIG_FSL_ESDHC */
351 #ifdef CONFIG_MXC_SPI
352 iomux_v3_cfg_t const ecspi1_pads[] = {
354 IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(SPI_PAD_CTRL)),
355 IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
356 IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
357 IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
360 int board_spi_cs_gpio(unsigned bus, unsigned cs)
362 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1;
365 static void setup_spi(void)
367 gpio_direction_output(IMX_GPIO_NR(3, 19), 1);
368 SETUP_IOMUX_PADS(ecspi1_pads);
372 /* configure eth0 PHY board-specific LED behavior */
373 int board_phy_config(struct phy_device *phydev)
378 if (phydev->phy_id == 0x1410dd1) {
380 * Page 3, Register 16: LED[2:0] Function Control Register
381 * LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
382 * LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
384 phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
385 val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
388 phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
389 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
392 if (phydev->drv->config)
393 phydev->drv->config(phydev);
398 int board_eth_init(bd_t *bis)
400 #ifdef CONFIG_FEC_MXC
401 if (board_type != GW551x && board_type != GW552x) {
408 e1000_initialize(bis);
412 /* For otg ethernet*/
413 usb_eth_initialize(bis);
416 /* default to the first detected enet dev */
417 if (!getenv("ethprime")) {
418 struct eth_device *dev = eth_get_dev_by_index(0);
420 setenv("ethprime", dev->name);
421 printf("set ethprime to %s\n", getenv("ethprime"));
428 #if defined(CONFIG_VIDEO_IPUV3)
430 static void enable_hdmi(struct display_info_t const *dev)
432 imx_enable_hdmi_phy();
435 static int detect_i2c(struct display_info_t const *dev)
437 return i2c_set_bus_num(dev->bus) == 0 &&
438 i2c_probe(dev->addr) == 0;
441 static void enable_lvds(struct display_info_t const *dev)
443 struct iomuxc *iomux = (struct iomuxc *)
446 /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
447 u32 reg = readl(&iomux->gpr[2]);
448 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
449 writel(reg, &iomux->gpr[2]);
451 /* Enable Backlight */
452 SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
453 gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
456 struct display_info_t const displays[] = {{
460 .pixfmt = IPU_PIX_FMT_RGB24,
461 .detect = detect_hdmi,
462 .enable = enable_hdmi,
476 .vmode = FB_VMODE_NONINTERLACED
478 /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
481 .pixfmt = IPU_PIX_FMT_LVDS666,
482 .detect = detect_i2c,
483 .enable = enable_lvds,
485 .name = "Hannstar-XGA",
497 .vmode = FB_VMODE_NONINTERLACED
503 .enable = enable_lvds,
504 .pixfmt = IPU_PIX_FMT_LVDS666,
506 .name = "DLC700JMGT4",
508 .xres = 1024, /* 1024x600active pixels */
510 .pixclock = 15385, /* 64MHz */
518 .vmode = FB_VMODE_NONINTERLACED
524 .enable = enable_lvds,
525 .pixfmt = IPU_PIX_FMT_LVDS666,
527 .name = "DLC800FIGT3",
529 .xres = 1024, /* 1024x768 active pixels */
531 .pixclock = 15385, /* 64MHz */
539 .vmode = FB_VMODE_NONINTERLACED
541 size_t display_count = ARRAY_SIZE(displays);
543 static void setup_display(void)
545 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
546 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
551 /* Turn on LDB0,IPU,IPU DI0 clocks */
552 reg = __raw_readl(&mxc_ccm->CCGR3);
553 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
554 writel(reg, &mxc_ccm->CCGR3);
556 /* set LDB0, LDB1 clk select to 011/011 */
557 reg = readl(&mxc_ccm->cs2cdr);
558 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
559 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
560 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
561 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
562 writel(reg, &mxc_ccm->cs2cdr);
564 reg = readl(&mxc_ccm->cscmr2);
565 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
566 writel(reg, &mxc_ccm->cscmr2);
568 reg = readl(&mxc_ccm->chsccdr);
569 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
570 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
571 writel(reg, &mxc_ccm->chsccdr);
573 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
574 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
575 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
576 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
577 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
578 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
579 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
580 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
581 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
582 writel(reg, &iomux->gpr[2]);
584 reg = readl(&iomux->gpr[3]);
585 reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
586 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
587 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
588 writel(reg, &iomux->gpr[3]);
590 /* Backlight CABEN on LVDS connector */
591 SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
592 gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
594 #endif /* CONFIG_VIDEO_IPUV3 */
597 * Baseboard specific GPIO
600 /* common to add baseboards */
601 static iomux_v3_cfg_t const gw_gpio_pads[] = {
603 IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
605 IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
609 static iomux_v3_cfg_t const gwproto_gpio_pads[] = {
611 IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
613 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
615 IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
617 IOMUX_PADS(PAD_SD3_DAT4__GPIO7_IO01 | DIO_PAD_CFG),
619 IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG),
621 IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
623 IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | DIO_PAD_CFG),
625 IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG),
627 IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20 | DIO_PAD_CFG),
629 IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG),
632 static iomux_v3_cfg_t const gw51xx_gpio_pads[] = {
634 IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
636 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
638 IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG),
640 IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
643 IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG),
645 IOMUX_PADS(PAD_CSI0_DATA_EN__GPIO5_IO20 | DIO_PAD_CFG),
647 IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG),
649 IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
652 static iomux_v3_cfg_t const gw52xx_gpio_pads[] = {
654 IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
656 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
658 IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG),
660 IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
663 IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
665 IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | DIO_PAD_CFG),
667 IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG),
669 IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | DIO_PAD_CFG),
671 IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG),
672 /* PCI_RST# (GW522x) */
673 IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | DIO_PAD_CFG),
675 IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
678 static iomux_v3_cfg_t const gw53xx_gpio_pads[] = {
680 IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
682 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
684 IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
686 IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG),
688 IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
690 IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG),
692 IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | DIO_PAD_CFG),
694 IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | DIO_PAD_CFG),
696 IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG),
698 IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
701 static iomux_v3_cfg_t const gw54xx_gpio_pads[] = {
703 IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
705 IOMUX_PADS(PAD_KEY_COL2__GPIO4_IO10 | DIO_PAD_CFG),
707 IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
709 IOMUX_PADS(PAD_SD1_DAT3__GPIO1_IO21 | DIO_PAD_CFG),
711 IOMUX_PADS(PAD_EIM_D24__GPIO3_IO24 | DIO_PAD_CFG),
713 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
715 IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
717 IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG),
719 IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG),
721 IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | DIO_PAD_CFG),
723 IOMUX_PADS(PAD_DISP0_DAT23__GPIO5_IO17 | DIO_PAD_CFG),
726 static iomux_v3_cfg_t const gw551x_gpio_pads[] = {
728 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
730 IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG),
732 IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
735 static iomux_v3_cfg_t const gw552x_gpio_pads[] = {
737 IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
739 IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
741 IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
743 IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG),
745 IOMUX_PADS(PAD_CSI0_PIXCLK__GPIO5_IO18 | DIO_PAD_CFG),
746 IOMUX_PADS(PAD_CSI0_DATA_EN__GPIO5_IO20 | DIO_PAD_CFG),
747 IOMUX_PADS(PAD_CSI0_VSYNC__GPIO5_IO21 | DIO_PAD_CFG),
748 IOMUX_PADS(PAD_CSI0_DAT4__GPIO5_IO22 | DIO_PAD_CFG),
749 IOMUX_PADS(PAD_CSI0_DAT5__GPIO5_IO23 | DIO_PAD_CFG),
750 IOMUX_PADS(PAD_CSI0_DAT7__GPIO5_IO25 | DIO_PAD_CFG),
752 IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01 | DIO_PAD_CFG),
754 IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG),
756 IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
760 * each baseboard has 4 user configurable Digital IO lines which can
761 * be pinmuxed as a GPIO or in some cases a PWM
764 iomux_v3_cfg_t gpio_padmux[2];
766 iomux_v3_cfg_t pwm_padmux[2];
772 iomux_v3_cfg_t const *gpio_pads;
775 struct dio_cfg dio_cfg[4];
777 /* various gpios (0 if non-existent) */
791 static struct ventana gpio_cfg[] = {
794 .gpio_pads = gw54xx_gpio_pads,
795 .num_pads = ARRAY_SIZE(gw54xx_gpio_pads)/2,
798 { IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09) },
800 { IOMUX_PADS(PAD_GPIO_9__PWM1_OUT) },
804 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
806 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
810 { IOMUX_PADS(PAD_SD4_DAT1__GPIO2_IO09) },
812 { IOMUX_PADS(PAD_SD4_DAT1__PWM3_OUT) },
816 { IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10) },
818 { IOMUX_PADS(PAD_SD4_DAT2__PWM4_OUT) },
828 .pcie_rst = IMX_GPIO_NR(1, 29),
829 .mezz_pwren = IMX_GPIO_NR(4, 7),
830 .mezz_irq = IMX_GPIO_NR(4, 9),
831 .rs485en = IMX_GPIO_NR(3, 24),
832 .dioi2c_en = IMX_GPIO_NR(4, 5),
833 .pcie_sson = IMX_GPIO_NR(1, 20),
838 .gpio_pads = gw51xx_gpio_pads,
839 .num_pads = ARRAY_SIZE(gw51xx_gpio_pads)/2,
842 { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
848 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
850 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
854 { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
856 { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
860 { IOMUX_PADS(PAD_SD1_CMD__GPIO1_IO18) },
862 { IOMUX_PADS(PAD_SD1_CMD__PWM4_OUT) },
871 .pcie_rst = IMX_GPIO_NR(1, 0),
872 .mezz_pwren = IMX_GPIO_NR(2, 19),
873 .mezz_irq = IMX_GPIO_NR(2, 18),
874 .gps_shdn = IMX_GPIO_NR(1, 2),
875 .vidin_en = IMX_GPIO_NR(5, 20),
876 .wdis = IMX_GPIO_NR(7, 12),
881 .gpio_pads = gw52xx_gpio_pads,
882 .num_pads = ARRAY_SIZE(gw52xx_gpio_pads)/2,
885 { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
891 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
893 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
897 { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
899 { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
903 { IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) },
915 .pcie_rst = IMX_GPIO_NR(1, 29),
916 .mezz_pwren = IMX_GPIO_NR(2, 19),
917 .mezz_irq = IMX_GPIO_NR(2, 18),
918 .gps_shdn = IMX_GPIO_NR(1, 27),
919 .vidin_en = IMX_GPIO_NR(3, 31),
920 .usb_sel = IMX_GPIO_NR(1, 2),
921 .wdis = IMX_GPIO_NR(7, 12),
926 .gpio_pads = gw53xx_gpio_pads,
927 .num_pads = ARRAY_SIZE(gw53xx_gpio_pads)/2,
930 { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
936 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
938 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
942 { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
944 { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
948 {IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) },
960 .pcie_rst = IMX_GPIO_NR(1, 29),
961 .mezz_pwren = IMX_GPIO_NR(2, 19),
962 .mezz_irq = IMX_GPIO_NR(2, 18),
963 .gps_shdn = IMX_GPIO_NR(1, 27),
964 .vidin_en = IMX_GPIO_NR(3, 31),
965 .wdis = IMX_GPIO_NR(7, 12),
970 .gpio_pads = gw54xx_gpio_pads,
971 .num_pads = ARRAY_SIZE(gw54xx_gpio_pads)/2,
974 { IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09) },
976 { IOMUX_PADS(PAD_GPIO_9__PWM1_OUT) },
980 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
982 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
986 { IOMUX_PADS(PAD_SD4_DAT1__GPIO2_IO09) },
988 { IOMUX_PADS(PAD_SD4_DAT1__PWM3_OUT) },
992 { IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10) },
994 { IOMUX_PADS(PAD_SD4_DAT2__PWM4_OUT) },
1004 .pcie_rst = IMX_GPIO_NR(1, 29),
1005 .mezz_pwren = IMX_GPIO_NR(2, 19),
1006 .mezz_irq = IMX_GPIO_NR(2, 18),
1007 .rs485en = IMX_GPIO_NR(7, 1),
1008 .vidin_en = IMX_GPIO_NR(3, 31),
1009 .dioi2c_en = IMX_GPIO_NR(4, 5),
1010 .pcie_sson = IMX_GPIO_NR(1, 20),
1011 .wdis = IMX_GPIO_NR(5, 17),
1016 .gpio_pads = gw551x_gpio_pads,
1017 .num_pads = ARRAY_SIZE(gw551x_gpio_pads)/2,
1020 { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
1026 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
1028 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
1032 { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
1034 { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
1038 { IOMUX_PADS(PAD_SD1_CMD__GPIO1_IO18) },
1040 { IOMUX_PADS(PAD_SD1_CMD__PWM4_OUT) },
1048 .pcie_rst = IMX_GPIO_NR(1, 0),
1049 .wdis = IMX_GPIO_NR(7, 12),
1054 .gpio_pads = gw552x_gpio_pads,
1055 .num_pads = ARRAY_SIZE(gw552x_gpio_pads)/2,
1058 { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
1060 { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
1064 { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
1066 { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
1076 .pcie_rst = IMX_GPIO_NR(1, 29),
1077 .wdis = IMX_GPIO_NR(7, 12),
1081 /* setup board specific PMIC */
1082 int power_init_board(void)
1087 /* configure PFUZE100 PMIC */
1088 if (board_type == GW54xx || board_type == GW54proto) {
1089 power_pfuze100_init(CONFIG_I2C_PMIC);
1090 p = pmic_get("PFUZE100");
1091 if (p && !pmic_probe(p)) {
1092 pmic_reg_read(p, PFUZE100_DEVICEID, ®);
1093 printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
1095 /* Set VGEN1 to 1.5V and enable */
1096 pmic_reg_read(p, PFUZE100_VGEN1VOL, ®);
1097 reg &= ~(LDO_VOL_MASK);
1098 reg |= (LDOA_1_50V | LDO_EN);
1099 pmic_reg_write(p, PFUZE100_VGEN1VOL, reg);
1101 /* Set SWBST to 5.0V and enable */
1102 pmic_reg_read(p, PFUZE100_SWBSTCON1, ®);
1103 reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
1104 reg |= (SWBST_5_00V | SWBST_MODE_AUTO);
1105 pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
1109 /* configure LTC3676 PMIC */
1111 power_ltc3676_init(CONFIG_I2C_PMIC);
1112 p = pmic_get("LTC3676_PMIC");
1113 if (p && !pmic_probe(p)) {
1114 puts("PMIC: LTC3676\n");
1116 * set board-specific scalar for max CPU frequency
1117 * per CPU based on the LDO enabled Operating Ranges
1118 * defined in the respective IMX6DQ and IMX6SDL
1119 * datasheets. The voltage resulting from the R1/R2
1120 * feedback inputs on Ventana is 1308mV. Note that this
1121 * is a bit shy of the Vmin of 1350mV in the datasheet
1122 * for LDO enabled mode but is as high as we can go.
1124 * We will rely on an OS kernel driver to properly
1125 * regulate these per CPU operating point and use LDO
1126 * bypass mode when using the higher frequency
1127 * operating points to compensate as LDO bypass mode
1128 * allows the rails be 125mV lower.
1130 /* mask PGOOD during SW1 transition */
1131 pmic_reg_write(p, LTC3676_DVB1B,
1132 0x1f | LTC3676_PGOOD_MASK);
1133 /* set SW1 (VDD_SOC) */
1134 pmic_reg_write(p, LTC3676_DVB1A, 0x1f);
1136 /* mask PGOOD during SW3 transition */
1137 pmic_reg_write(p, LTC3676_DVB3B,
1138 0x1f | LTC3676_PGOOD_MASK);
1139 /* set SW3 (VDD_ARM) */
1140 pmic_reg_write(p, LTC3676_DVB3A, 0x1f);
1147 /* setup GPIO pinmux and default configuration per baseboard */
1148 static void setup_board_gpio(int board)
1150 struct ventana_board_info *info = &ventana_info;
1155 int quiet = simple_strtol(getenv("quiet"), NULL, 10);
1157 if (board >= GW_UNKNOWN)
1161 gpio_direction_output(GP_RS232_EN, (hwconfig("rs232")) ? 0 : 1);
1164 if (is_cpu_type(MXC_CPU_MX6Q) &&
1165 test_bit(EECONFIG_SATA, info->config)) {
1166 gpio_direction_output(GP_MSATA_SEL,
1167 (hwconfig("msata")) ? 1 : 0);
1169 gpio_direction_output(GP_MSATA_SEL, 0);
1172 #if !defined(CONFIG_CMD_PCI)
1173 /* GW522x Uses GPIO3_IO23 for PCIE_RST# */
1174 if (board_type == GW52xx && info->model[4] == '2')
1175 gpio_cfg[board].pcie_rst = IMX_GPIO_NR(3, 23);
1177 /* assert PCI_RST# (released by OS when clock is valid) */
1178 gpio_direction_output(gpio_cfg[board].pcie_rst, 0);
1181 /* turn off (active-high) user LED's */
1182 for (i = 0; i < ARRAY_SIZE(gpio_cfg[board].leds); i++) {
1183 if (gpio_cfg[board].leds[i])
1184 gpio_direction_output(gpio_cfg[board].leds[i], 1);
1187 /* Expansion Mezzanine IO */
1188 if (gpio_cfg[board].mezz_pwren)
1189 gpio_direction_output(gpio_cfg[board].mezz_pwren, 0);
1190 if (gpio_cfg[board].mezz_irq)
1191 gpio_direction_input(gpio_cfg[board].mezz_irq);
1193 /* RS485 Transmit Enable */
1194 if (gpio_cfg[board].rs485en)
1195 gpio_direction_output(gpio_cfg[board].rs485en, 0);
1198 if (gpio_cfg[board].gps_shdn)
1199 gpio_direction_output(gpio_cfg[board].gps_shdn, 1);
1201 /* Analog video codec power enable */
1202 if (gpio_cfg[board].vidin_en)
1203 gpio_direction_output(gpio_cfg[board].vidin_en, 1);
1206 if (gpio_cfg[board].dioi2c_en)
1207 gpio_direction_output(gpio_cfg[board].dioi2c_en, 0);
1209 /* PCICK_SSON: disable spread-spectrum clock */
1210 if (gpio_cfg[board].pcie_sson)
1211 gpio_direction_output(gpio_cfg[board].pcie_sson, 0);
1213 /* USBOTG Select (PCISKT or FrontPanel) */
1214 if (gpio_cfg[board].usb_sel)
1215 gpio_direction_output(gpio_cfg[board].usb_sel,
1216 (hwconfig("usb_pcisel")) ? 1 : 0);
1219 /* PCISKT_WDIS# (Wireless disable GPIO to miniPCIe sockets) */
1220 if (gpio_cfg[board].wdis)
1221 gpio_direction_output(gpio_cfg[board].wdis, 1);
1224 * Configure DIO pinmux/padctl registers
1225 * see IMX6DQRM/IMX6SDLRM IOMUXC_SW_PAD_CTL_PAD_* register definitions
1227 for (i = 0; i < 4; i++) {
1228 struct dio_cfg *cfg = &gpio_cfg[board].dio_cfg[i];
1229 iomux_v3_cfg_t ctrl = DIO_PAD_CFG;
1230 unsigned cputype = is_cpu_type(MXC_CPU_MX6Q) ? 0 : 1;
1232 if (!cfg->gpio_padmux[0] && !cfg->gpio_padmux[1])
1234 sprintf(arg, "dio%d", i);
1237 s = hwconfig_subarg(arg, "padctrl", &len);
1239 ctrl = MUX_PAD_CTRL(simple_strtoul(s, NULL, 16)
1240 & 0x1ffff) | MUX_MODE_SION;
1242 if (hwconfig_subarg_cmp(arg, "mode", "gpio")) {
1244 printf("DIO%d: GPIO%d_IO%02d (gpio-%d)\n", i,
1245 (cfg->gpio_param/32)+1,
1249 imx_iomux_v3_setup_pad(cfg->gpio_padmux[cputype] |
1251 gpio_direction_input(cfg->gpio_param);
1252 } else if (hwconfig_subarg_cmp("dio2", "mode", "pwm") &&
1255 printf("DIO%d: pwm%d\n", i, cfg->pwm_param);
1256 imx_iomux_v3_setup_pad(cfg->pwm_padmux[cputype] |
1257 MUX_PAD_CTRL(ctrl));
1262 if (is_cpu_type(MXC_CPU_MX6Q) &&
1263 (test_bit(EECONFIG_SATA, info->config))) {
1264 printf("MSATA: %s\n", (hwconfig("msata") ?
1265 "enabled" : "disabled"));
1267 printf("RS232: %s\n", (hwconfig("rs232")) ?
1268 "enabled" : "disabled");
1272 #if defined(CONFIG_CMD_PCI)
1273 int imx6_pcie_toggle_reset(void)
1275 if (board_type < GW_UNKNOWN) {
1276 uint pin = gpio_cfg[board_type].pcie_rst;
1277 gpio_direction_output(pin, 0);
1279 gpio_direction_output(pin, 1);
1285 * Most Ventana boards have a PLX PEX860x PCIe switch onboard and use its
1286 * GPIO's as PERST# signals for its downstream ports - configure the GPIO's
1287 * properly and assert reset for 100ms.
1289 void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev,
1290 unsigned short vendor, unsigned short device,
1291 unsigned short class)
1295 debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__,
1296 PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device);
1297 if (vendor == PCI_VENDOR_ID_PLX &&
1298 (device & 0xfff0) == 0x8600 &&
1299 PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) {
1300 debug("configuring PLX 860X downstream PERST#\n");
1301 pci_hose_read_config_dword(hose, dev, 0x62c, &dw);
1302 dw |= 0xaaa8; /* GPIO1-7 outputs */
1303 pci_hose_write_config_dword(hose, dev, 0x62c, dw);
1305 pci_hose_read_config_dword(hose, dev, 0x644, &dw);
1306 dw |= 0xfe; /* GPIO1-7 output high */
1307 pci_hose_write_config_dword(hose, dev, 0x644, dw);
1312 #endif /* CONFIG_CMD_PCI */
1314 #ifdef CONFIG_SERIAL_TAG
1316 * called when setting up ATAGS before booting kernel
1317 * populate serialnum from the following (in order of priority):
1321 void get_board_serial(struct tag_serialnr *serialnr)
1323 char *serial = getenv("serial#");
1327 serialnr->low = simple_strtoul(serial, NULL, 10);
1328 } else if (ventana_info.model[0]) {
1330 serialnr->low = ventana_info.serial;
1342 /* called from SPL board_init_f() */
1343 int board_early_init_f(void)
1346 gpio_direction_output(GP_USB_OTG_PWR, 0); /* OTG power off */
1348 #if defined(CONFIG_VIDEO_IPUV3)
1356 gd->ram_size = imx_ddr_size();
1360 int board_init(void)
1362 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
1364 clrsetbits_le32(&iomuxc_regs->gpr[1],
1365 IOMUXC_GPR1_OTG_ID_MASK,
1366 IOMUXC_GPR1_OTG_ID_GPIO1);
1368 /* address of linux boot parameters */
1369 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
1371 #ifdef CONFIG_CMD_NAND
1374 #ifdef CONFIG_MXC_SPI
1377 if (is_cpu_type(MXC_CPU_MX6Q)) {
1378 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info0);
1379 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1);
1380 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info2);
1382 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info0);
1383 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1);
1384 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info2);
1387 #ifdef CONFIG_CMD_SATA
1390 /* read Gateworks EEPROM into global struct (used later) */
1391 board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
1393 /* board-specifc GPIO iomux */
1394 SETUP_IOMUX_PADS(gw_gpio_pads);
1395 if (board_type < GW_UNKNOWN) {
1396 iomux_v3_cfg_t const *p = gpio_cfg[board_type].gpio_pads;
1397 int count = gpio_cfg[board_type].num_pads;
1399 imx_iomux_v3_setup_multiple_pads(p, count);
1405 #if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
1407 * called during late init (after relocation and after board_init())
1408 * by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and
1411 int checkboard(void)
1413 struct ventana_board_info *info = &ventana_info;
1414 unsigned char buf[4];
1416 int quiet; /* Quiet or minimal output mode */
1419 p = getenv("quiet");
1421 quiet = simple_strtol(p, NULL, 10);
1423 setenv("quiet", "0");
1425 puts("\nGateworks Corporation Copyright 2014\n");
1426 if (info->model[0]) {
1427 printf("Model: %s\n", info->model);
1428 printf("MFGDate: %02x-%02x-%02x%02x\n",
1429 info->mfgdate[0], info->mfgdate[1],
1430 info->mfgdate[2], info->mfgdate[3]);
1431 printf("Serial:%d\n", info->serial);
1433 puts("Invalid EEPROM - board will not function fully\n");
1438 /* Display GSC firmware revision/CRC/status */
1442 if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) {
1444 buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24);
1451 #ifdef CONFIG_CMD_BMODE
1453 * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
1454 * see Table 8-11 and Table 5-9
1455 * BOOT_CFG1[7] = 1 (boot from NAND)
1456 * BOOT_CFG1[5] = 0 - raw NAND
1457 * BOOT_CFG1[4] = 0 - default pad settings
1458 * BOOT_CFG1[3:2] = 00 - devices = 1
1459 * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
1460 * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
1461 * BOOT_CFG2[2:1] = 01 - Pages In Block = 64
1462 * BOOT_CFG2[0] = 0 - Reset time 12ms
1464 static const struct boot_mode board_boot_modes[] = {
1465 /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
1466 { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
1472 int misc_init_r(void)
1474 struct ventana_board_info *info = &ventana_info;
1477 /* set env vars based on EEPROM data */
1478 if (ventana_info.model[0]) {
1479 char str[16], fdt[36];
1481 const char *cputype = "";
1485 * FDT name will be prefixed with CPU type. Three versions
1486 * will be created each increasingly generic and bootloader
1487 * env scripts will try loading each from most specific to
1490 if (is_cpu_type(MXC_CPU_MX6Q) ||
1491 is_cpu_type(MXC_CPU_MX6D))
1493 else if (is_cpu_type(MXC_CPU_MX6DL) ||
1494 is_cpu_type(MXC_CPU_MX6SOLO))
1496 setenv("soctype", cputype);
1497 if (8 << (ventana_info.nand_flash_size-1) >= 2048)
1498 setenv("flash_layout", "large");
1500 setenv("flash_layout", "normal");
1501 memset(str, 0, sizeof(str));
1502 for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++)
1503 str[i] = tolower(info->model[i]);
1504 if (!getenv("model"))
1505 setenv("model", str);
1506 if (!getenv("fdt_file")) {
1507 sprintf(fdt, "%s-%s.dtb", cputype, str);
1508 setenv("fdt_file", fdt);
1510 p = strchr(str, '-');
1514 setenv("model_base", str);
1515 if (!getenv("fdt_file1")) {
1516 sprintf(fdt, "%s-%s.dtb", cputype, str);
1517 setenv("fdt_file1", fdt);
1519 if (board_type != GW551x && board_type != GW552x)
1523 if (!getenv("fdt_file2")) {
1524 sprintf(fdt, "%s-%s.dtb", cputype, str);
1525 setenv("fdt_file2", fdt);
1529 /* initialize env from EEPROM */
1530 if (test_bit(EECONFIG_ETH0, info->config) &&
1531 !getenv("ethaddr")) {
1532 eth_setenv_enetaddr("ethaddr", info->mac0);
1534 if (test_bit(EECONFIG_ETH1, info->config) &&
1535 !getenv("eth1addr")) {
1536 eth_setenv_enetaddr("eth1addr", info->mac1);
1539 /* board serial-number */
1540 sprintf(str, "%6d", info->serial);
1541 setenv("serial#", str);
1544 sprintf(str, "%d", (int) (gd->ram_size >> 20));
1545 setenv("mem_mb", str);
1549 /* setup baseboard specific GPIO pinmux and config */
1550 setup_board_gpio(board_type);
1552 #ifdef CONFIG_CMD_BMODE
1553 add_board_boot_modes(board_boot_modes);
1557 * The Gateworks System Controller implements a boot
1558 * watchdog (always enabled) as a workaround for IMX6 boot related
1560 * ERR005768 - no fix scheduled
1561 * ERR006282 - fixed in silicon r1.2
1562 * ERR007117 - fixed in silicon r1.3
1563 * ERR007220 - fixed in silicon r1.3
1564 * ERR007926 - no fix scheduled
1565 * see http://cache.freescale.com/files/32bit/doc/errata/IMX6DQCE.pdf
1567 * Disable the boot watchdog and display/clear the timeout flag if set
1569 i2c_set_bus_num(CONFIG_I2C_GSC);
1570 if (!gsc_i2c_read(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1)) {
1571 reg |= (1 << GSC_SC_CTRL1_WDDIS);
1572 if (gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1))
1573 puts("Error: could not disable GSC Watchdog\n");
1575 puts("Error: could not disable GSC Watchdog\n");
1581 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
1583 static int ft_sethdmiinfmt(void *blob, char *mode)
1590 off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x");
1594 if (0 == strcasecmp(mode, "yuv422bt656")) {
1595 u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00,
1598 fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
1599 fdt_setprop_u32(blob, off, "vidout_trc", 1);
1600 fdt_setprop_u32(blob, off, "vidout_blc", 1);
1601 fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
1602 printf(" set HDMI input mode to %s\n", mode);
1603 } else if (0 == strcasecmp(mode, "yuv422smp")) {
1604 u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00,
1607 fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
1608 fdt_setprop_u32(blob, off, "vidout_trc", 0);
1609 fdt_setprop_u32(blob, off, "vidout_blc", 0);
1610 fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
1611 printf(" set HDMI input mode to %s\n", mode);
1620 * called prior to booting kernel or by 'fdt boardsetup' command
1622 * unless 'fdt_noauto' env var is set we will update the following in the DTB:
1623 * - mtd partitions based on mtdparts/mtdids env
1624 * - system-serial (board serial num from EEPROM)
1625 * - board (full model from EEPROM)
1626 * - peripherals removed from DTB if not loaded on board (per EEPROM config)
1628 int ft_board_setup(void *blob, bd_t *bd)
1630 struct ventana_board_info *info = &ventana_info;
1631 struct ventana_eeprom_config *cfg;
1632 struct node_info nodes[] = {
1633 { "sst,w25q256", MTD_DEV_TYPE_NOR, }, /* SPI flash */
1634 { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
1636 const char *model = getenv("model");
1637 const char *display = getenv("display");
1641 /* determine board revision */
1642 for (i = sizeof(ventana_info.model) - 1; i > 0; i--) {
1643 if (ventana_info.model[i] >= 'A') {
1644 rev = ventana_info.model[i];
1649 if (getenv("fdt_noauto")) {
1650 puts(" Skiping ft_board_setup (fdt_noauto defined)\n");
1654 /* Update partition nodes using info from mtdparts env var */
1655 puts(" Updating MTD partitions...\n");
1656 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
1658 /* Update display timings from display env var */
1660 if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"),
1662 printf(" Set display timings for %s...\n", display);
1666 puts("invalid board info: Leaving FDT fully enabled\n");
1669 printf(" Adjusting FDT per EEPROM for %s...\n", model);
1671 /* board serial number */
1672 fdt_setprop(blob, 0, "system-serial", getenv("serial#"),
1673 strlen(getenv("serial#")) + 1);
1675 /* board (model contains model from device-tree) */
1676 fdt_setprop(blob, 0, "board", info->model,
1677 strlen((const char *)info->model) + 1);
1679 /* set desired digital video capture format */
1680 ft_sethdmiinfmt(blob, getenv("hdmiinfmt"));
1683 * disable serial2 node for GW54xx for compatibility with older
1684 * 3.10.x kernel that improperly had this node enabled in the DT
1686 if (board_type == GW54xx) {
1687 i = fdt_path_offset(blob,
1688 "/soc/aips-bus@02100000/serial@021ec000");
1690 fdt_del_node(blob, i);
1694 * disable wdog1/wdog2 nodes for GW51xx below revC to work around
1695 * errata causing wdog timer to be unreliable.
1697 if (board_type == GW51xx && rev >= 'A' && rev < 'C') {
1698 i = fdt_path_offset(blob,
1699 "/soc/aips-bus@02000000/wdog@020bc000");
1701 fdt_status_disabled(blob, i);
1704 /* GW522x Uses GPIO3_IO23 instead of GPIO1_IO29 */
1705 else if (board_type == GW52xx && info->model[4] == '2') {
1709 i = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
1711 range = (u32 *)fdt_getprop(blob, i, "reset-gpio",
1715 i = fdt_path_offset(blob,
1716 "/soc/aips-bus@02000000/gpio@020a4000");
1718 handle = fdt_get_phandle(blob, i);
1720 range[0] = cpu_to_fdt32(handle);
1721 range[1] = cpu_to_fdt32(23);
1727 * isolate CSI0_DATA_EN for GW551x below revB to work around
1728 * errata causing non functional digital video in (it is not hooked up)
1730 else if (board_type == GW551x && rev == 'A') {
1733 const u32 *handle = NULL;
1735 i = fdt_node_offset_by_compatible(blob, -1,
1736 "fsl,imx-tda1997x-video");
1738 handle = fdt_getprop(blob, i, "pinctrl-0", NULL);
1740 i = fdt_node_offset_by_phandle(blob,
1741 fdt32_to_cpu(*handle));
1743 range = (u32 *)fdt_getprop(blob, i, "fsl,pins", &len);
1746 for (i = 0; i < len; i += 6) {
1747 u32 mux_reg = fdt32_to_cpu(range[i+0]);
1748 u32 conf_reg = fdt32_to_cpu(range[i+1]);
1749 /* mux PAD_CSI0_DATA_EN to GPIO */
1750 if (is_cpu_type(MXC_CPU_MX6Q) &&
1751 mux_reg == 0x260 && conf_reg == 0x630)
1752 range[i+3] = cpu_to_fdt32(0x5);
1753 else if (!is_cpu_type(MXC_CPU_MX6Q) &&
1754 mux_reg == 0x08c && conf_reg == 0x3a0)
1755 range[i+3] = cpu_to_fdt32(0x5);
1757 fdt_setprop_inplace(blob, i, "fsl,pins", range, len);
1760 /* set BT656 video format */
1761 ft_sethdmiinfmt(blob, "yuv422bt656");
1765 * Peripheral Config:
1766 * remove nodes by alias path if EEPROM config tells us the
1767 * peripheral is not loaded on the board.
1769 if (getenv("fdt_noconfig")) {
1770 puts(" Skiping periperhal config (fdt_noconfig defined)\n");
1775 if (!test_bit(cfg->bit, info->config)) {
1776 fdt_del_node_and_alias(blob, cfg->dtalias ?
1777 cfg->dtalias : cfg->name);
1784 #endif /* defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) */