1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
6 #include <asm/arch/clock.h>
7 #include <asm/arch/iomux.h>
8 #include <asm/arch/imx-regs.h>
9 #include <asm/arch/crm_regs.h>
10 #include <asm/arch/mx6ul_pins.h>
11 #include <asm/arch/mx6-pins.h>
12 #include <asm/arch/sys_proto.h>
14 #include <asm/mach-imx/iomux-v3.h>
15 #include <asm/mach-imx/boot_mode.h>
16 #include <asm/mach-imx/mxc_i2c.h>
19 #include <fsl_esdhc.h>
22 #include <linux/sizes.h>
25 #include <power/pmic.h>
26 #include <power/pfuze3000_pmic.h>
27 #include "../common/pfuze.h"
29 #include <usb/ehci-ci.h>
31 DECLARE_GLOBAL_DATA_PTR;
33 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
34 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
35 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
37 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
38 PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
39 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
41 #define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
42 PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \
43 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
45 #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
46 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
47 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
50 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
51 PAD_CTL_SPEED_HIGH | \
52 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
54 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
55 PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
57 #define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
58 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
60 #define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
62 #define IOX_SDI IMX_GPIO_NR(5, 10)
63 #define IOX_STCP IMX_GPIO_NR(5, 7)
64 #define IOX_SHCP IMX_GPIO_NR(5, 11)
65 #define IOX_OE IMX_GPIO_NR(5, 8)
67 static iomux_v3_cfg_t const iox_pads[] = {
69 MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
71 MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
73 MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
75 MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
110 static enum qn_level seq[3][2] = {
111 {0, 1}, {1, 1}, {0, 0}
114 static enum qn_func qn_output[8] = {
115 qn_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset,
116 qn_disable, qn_disable
119 static void iox74lv_init(void)
123 gpio_direction_output(IOX_OE, 0);
125 for (i = 7; i >= 0; i--) {
126 gpio_direction_output(IOX_SHCP, 0);
127 gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
129 gpio_direction_output(IOX_SHCP, 1);
133 gpio_direction_output(IOX_STCP, 0);
136 * shift register will be output to pins
138 gpio_direction_output(IOX_STCP, 1);
140 for (i = 7; i >= 0; i--) {
141 gpio_direction_output(IOX_SHCP, 0);
142 gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
144 gpio_direction_output(IOX_SHCP, 1);
147 gpio_direction_output(IOX_STCP, 0);
150 * shift register will be output to pins
152 gpio_direction_output(IOX_STCP, 1);
155 #ifdef CONFIG_SYS_I2C_MXC
156 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
157 /* I2C1 for PMIC and EEPROM */
158 static struct i2c_pads_info i2c_pad_info1 = {
160 .i2c_mode = MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
161 .gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
162 .gp = IMX_GPIO_NR(1, 28),
165 .i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
166 .gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
167 .gp = IMX_GPIO_NR(1, 29),
173 int power_init_board(void)
175 if (is_mx6ul_9x9_evk()) {
178 unsigned int reg, rev_id;
180 ret = power_pfuze3000_init(I2C_PMIC);
184 pfuze = pmic_get("PFUZE3000");
185 ret = pmic_probe(pfuze);
189 pmic_reg_read(pfuze, PFUZE3000_DEVICEID, ®);
190 pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
191 printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n",
194 /* disable Low Power Mode during standby mode */
195 pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
197 /* SW1B step ramp up time from 2us to 4us/25mV */
199 pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);
201 /* SW1B mode to APS/PFM */
203 pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);
205 /* SW1B standby voltage set to 0.975V */
207 pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
217 gd->ram_size = imx_ddr_size();
222 static iomux_v3_cfg_t const uart1_pads[] = {
223 MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
224 MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
227 #ifndef CONFIG_SPL_BUILD
228 static iomux_v3_cfg_t const usdhc1_pads[] = {
229 MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
230 MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
231 MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
232 MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
233 MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
234 MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
237 MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
239 MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
241 MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
246 * mx6ul_14x14_evk board default supports sd card. If want to use
247 * EMMC, need to do board rework for sd2.
248 * Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
249 * emmc, need to define this macro.
251 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
252 static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
253 MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
254 MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
255 MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
256 MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
257 MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
258 MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
259 MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
260 MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
261 MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
262 MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
267 MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
270 static iomux_v3_cfg_t const usdhc2_pads[] = {
271 MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
272 MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
273 MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
274 MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
275 MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
276 MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
280 * The evk board uses DAT3 to detect CD card plugin,
281 * in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
283 static iomux_v3_cfg_t const usdhc2_cd_pad =
284 MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
286 static iomux_v3_cfg_t const usdhc2_dat3_pad =
287 MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
288 MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
291 static void setup_iomux_uart(void)
293 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
296 #ifdef CONFIG_FSL_QSPI
298 #define QSPI_PAD_CTRL1 \
299 (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
300 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
302 static iomux_v3_cfg_t const quadspi_pads[] = {
303 MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
304 MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
305 MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
306 MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
307 MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
308 MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
311 static int board_qspi_init(void)
314 imx_iomux_v3_setup_multiple_pads(quadspi_pads,
315 ARRAY_SIZE(quadspi_pads));
323 #ifdef CONFIG_FSL_ESDHC
324 static struct fsl_esdhc_cfg usdhc_cfg[2] = {
325 {USDHC1_BASE_ADDR, 0, 4},
326 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
327 {USDHC2_BASE_ADDR, 0, 8},
329 {USDHC2_BASE_ADDR, 0, 4},
333 #define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19)
334 #define USDHC1_PWR_GPIO IMX_GPIO_NR(1, 9)
335 #define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5)
336 #define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 10)
338 int board_mmc_getcd(struct mmc *mmc)
340 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
343 switch (cfg->esdhc_base) {
344 case USDHC1_BASE_ADDR:
345 ret = !gpio_get_value(USDHC1_CD_GPIO);
347 case USDHC2_BASE_ADDR:
348 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
351 imx_iomux_v3_setup_pad(usdhc2_cd_pad);
352 gpio_direction_input(USDHC2_CD_GPIO);
355 * Since it is the DAT3 pin, this pin is pulled to
356 * low voltage if no card
358 ret = gpio_get_value(USDHC2_CD_GPIO);
360 imx_iomux_v3_setup_pad(usdhc2_dat3_pad);
368 int board_mmc_init(bd_t *bis)
370 #ifdef CONFIG_SPL_BUILD
371 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
372 imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads,
373 ARRAY_SIZE(usdhc2_emmc_pads));
375 imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
377 gpio_direction_output(USDHC2_PWR_GPIO, 0);
379 gpio_direction_output(USDHC2_PWR_GPIO, 1);
380 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
381 return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
386 * According to the board_mmc_init() the following map is done:
387 * (U-Boot device node) (Physical Port)
391 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
394 imx_iomux_v3_setup_multiple_pads(
395 usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
396 gpio_direction_input(USDHC1_CD_GPIO);
397 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
399 gpio_direction_output(USDHC1_PWR_GPIO, 0);
401 gpio_direction_output(USDHC1_PWR_GPIO, 1);
404 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
405 imx_iomux_v3_setup_multiple_pads(
406 usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
408 imx_iomux_v3_setup_multiple_pads(
409 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
411 gpio_direction_output(USDHC2_PWR_GPIO, 0);
413 gpio_direction_output(USDHC2_PWR_GPIO, 1);
414 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
417 printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
421 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
423 printf("Warning: failed to initialize mmc dev %d\n", i);
432 #ifdef CONFIG_USB_EHCI_MX6
433 #define USB_OTHERREGS_OFFSET 0x800
434 #define UCTRL_PWR_POL (1 << 9)
436 static iomux_v3_cfg_t const usb_otg_pads[] = {
437 MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
440 /* At default the 3v3 enables the MIC2026 for VBUS power */
441 static void setup_usb(void)
443 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
444 ARRAY_SIZE(usb_otg_pads));
447 int board_usb_phy_mode(int port)
450 return USB_INIT_HOST;
452 return usb_phy_mode(port);
455 int board_ehci_hcd_init(int port)
462 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
465 /* Set Power polarity */
466 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
472 #ifdef CONFIG_FEC_MXC
474 * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
475 * be used for ENET1 or ENET2, cannot be used for both.
477 static iomux_v3_cfg_t const fec1_pads[] = {
478 MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
479 MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
480 MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
481 MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
482 MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
483 MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
484 MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
485 MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
486 MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
487 MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
490 static iomux_v3_cfg_t const fec2_pads[] = {
491 MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
492 MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
494 MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
495 MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
496 MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
497 MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
499 MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
500 MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
501 MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
502 MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
505 static void setup_iomux_fec(int fec_id)
508 imx_iomux_v3_setup_multiple_pads(fec1_pads,
509 ARRAY_SIZE(fec1_pads));
511 imx_iomux_v3_setup_multiple_pads(fec2_pads,
512 ARRAY_SIZE(fec2_pads));
515 int board_eth_init(bd_t *bis)
517 setup_iomux_fec(CONFIG_FEC_ENET_DEV);
519 return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
520 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
523 static int setup_fec(int fec_id)
525 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
530 * Use 50M anatop loopback REF_CLK1 for ENET1,
531 * clear gpr1[13], set gpr1[17].
533 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
534 IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
537 * Use 50M anatop loopback REF_CLK2 for ENET2,
538 * clear gpr1[14], set gpr1[18].
540 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
541 IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
544 ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
553 int board_phy_config(struct phy_device *phydev)
555 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
557 if (phydev->drv->config)
558 phydev->drv->config(phydev);
564 #ifdef CONFIG_VIDEO_MXS
565 static iomux_v3_cfg_t const lcd_pads[] = {
566 MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
567 MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
568 MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
569 MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
570 MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
571 MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
572 MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
573 MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
574 MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
575 MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
576 MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
577 MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
578 MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
579 MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
580 MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
581 MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
582 MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
583 MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
584 MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
585 MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
586 MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
587 MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
588 MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
589 MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
590 MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
591 MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
592 MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
593 MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
596 MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
598 /* Use GPIO for Brightness adjustment, duty cycle = period. */
599 MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
602 static int setup_lcd(void)
604 enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
606 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
609 gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
611 gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
613 /* Set Brightness to high */
614 gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
620 int board_early_init_f(void)
629 /* Address of boot parameters */
630 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
632 imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));
636 #ifdef CONFIG_SYS_I2C_MXC
637 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
640 #ifdef CONFIG_FEC_MXC
641 setup_fec(CONFIG_FEC_ENET_DEV);
644 #ifdef CONFIG_USB_EHCI_MX6
648 #ifdef CONFIG_FSL_QSPI
652 #ifdef CONFIG_VIDEO_MXS
659 #ifdef CONFIG_CMD_BMODE
660 static const struct boot_mode board_boot_modes[] = {
661 /* 4 bit bus width */
662 {"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
663 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
664 {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
669 int board_late_init(void)
671 #ifdef CONFIG_CMD_BMODE
672 add_board_boot_modes(board_boot_modes);
675 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
676 env_set("board_name", "EVK");
678 if (is_mx6ul_9x9_evk())
679 env_set("board_rev", "9X9");
681 env_set("board_rev", "14X14");
689 if (is_mx6ul_9x9_evk())
690 puts("Board: MX6UL 9x9 EVK\n");
692 puts("Board: MX6UL 14x14 EVK\n");
697 #ifdef CONFIG_SPL_BUILD
698 #include <linux/libfdt.h>
700 #include <asm/arch/mx6-ddr.h>
703 static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
704 .grp_addds = 0x00000030,
705 .grp_ddrmode_ctl = 0x00020000,
706 .grp_b0ds = 0x00000030,
707 .grp_ctlds = 0x00000030,
708 .grp_b1ds = 0x00000030,
709 .grp_ddrpke = 0x00000000,
710 .grp_ddrmode = 0x00020000,
711 #ifdef CONFIG_TARGET_MX6UL_9X9_EVK
712 .grp_ddr_type = 0x00080000,
714 .grp_ddr_type = 0x000c0000,
718 #ifdef CONFIG_TARGET_MX6UL_9X9_EVK
719 static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
720 .dram_dqm0 = 0x00000030,
721 .dram_dqm1 = 0x00000030,
722 .dram_ras = 0x00000030,
723 .dram_cas = 0x00000030,
724 .dram_odt0 = 0x00000000,
725 .dram_odt1 = 0x00000000,
726 .dram_sdba2 = 0x00000000,
727 .dram_sdclk_0 = 0x00000030,
728 .dram_sdqs0 = 0x00003030,
729 .dram_sdqs1 = 0x00003030,
730 .dram_reset = 0x00000030,
733 static struct mx6_mmdc_calibration mx6_mmcd_calib = {
734 .p0_mpwldectrl0 = 0x00000000,
735 .p0_mpdgctrl0 = 0x20000000,
736 .p0_mprddlctl = 0x4040484f,
737 .p0_mpwrdlctl = 0x40405247,
738 .mpzqlp2ctl = 0x1b4700c7,
741 static struct mx6_lpddr2_cfg mem_ddr = {
754 struct mx6_ddr_sysinfo ddr_sysinfo = {
763 .rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
765 .sde_to_rst = 0, /* LPDDR2 does not need this field */
766 .rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
767 .ddr_type = DDR_TYPE_LPDDR2,
768 .refsel = 0, /* Refresh cycles at 64KHz */
769 .refr = 3, /* 4 refresh commands per refresh cycle */
773 static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
774 .dram_dqm0 = 0x00000030,
775 .dram_dqm1 = 0x00000030,
776 .dram_ras = 0x00000030,
777 .dram_cas = 0x00000030,
778 .dram_odt0 = 0x00000030,
779 .dram_odt1 = 0x00000030,
780 .dram_sdba2 = 0x00000000,
781 .dram_sdclk_0 = 0x00000030,
782 .dram_sdqs0 = 0x00000030,
783 .dram_sdqs1 = 0x00000030,
784 .dram_reset = 0x00000030,
787 static struct mx6_mmdc_calibration mx6_mmcd_calib = {
788 .p0_mpwldectrl0 = 0x00000000,
789 .p0_mpdgctrl0 = 0x41570155,
790 .p0_mprddlctl = 0x4040474A,
791 .p0_mpwrdlctl = 0x40405550,
794 struct mx6_ddr_sysinfo ddr_sysinfo = {
800 .rtt_nom = 1, /* RTT_Nom = RZQ/2 */
801 .walat = 0, /* Write additional latency */
802 .ralat = 5, /* Read additional latency */
803 .mif3_mode = 3, /* Command prediction working mode */
804 .bi_on = 1, /* Bank interleaving enabled */
805 .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
806 .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
807 .ddr_type = DDR_TYPE_DDR3,
808 .refsel = 0, /* Refresh cycles at 64KHz */
809 .refr = 1, /* 2 refresh commands per refresh cycle */
812 static struct mx6_ddr3_cfg mem_ddr = {
826 static void ccgr_init(void)
828 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
830 writel(0xFFFFFFFF, &ccm->CCGR0);
831 writel(0xFFFFFFFF, &ccm->CCGR1);
832 writel(0xFFFFFFFF, &ccm->CCGR2);
833 writel(0xFFFFFFFF, &ccm->CCGR3);
834 writel(0xFFFFFFFF, &ccm->CCGR4);
835 writel(0xFFFFFFFF, &ccm->CCGR5);
836 writel(0xFFFFFFFF, &ccm->CCGR6);
837 writel(0xFFFFFFFF, &ccm->CCGR7);
840 static void spl_dram_init(void)
842 mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
843 mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
846 void board_init_f(ulong dummy)
850 /* setup AIPS and disable watchdog */
853 /* iomux and setup of i2c */
854 board_early_init_f();
859 /* UART clocks enabled and gd valid - init serial console */
860 preloader_console_init();
862 /* DDR initialization */
866 memset(__bss_start, 0, __bss_end - __bss_start);
868 /* load/boot image from boot device */
869 board_init_r(NULL, 0);