2 * Copyright (C) 2014 Freescale Semiconductor, Inc.
4 * Author: Ye Li <ye.li@nxp.com>
6 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/clock.h>
10 #include <asm/arch/crm_regs.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/mx6-pins.h>
14 #include <asm/arch/sys_proto.h>
16 #include <asm/imx-common/iomux-v3.h>
17 #include <asm/imx-common/boot_mode.h>
19 #include <asm/imx-common/mxc_i2c.h>
20 #include <linux/sizes.h>
22 #include <fsl_esdhc.h>
27 #include <power/pmic.h>
28 #include <power/pfuze100_pmic.h>
29 #include "../common/pfuze.h"
31 #include <usb/ehci-ci.h>
34 DECLARE_GLOBAL_DATA_PTR;
36 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
37 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
38 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
40 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
41 PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
42 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
44 #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
45 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
46 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
49 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
50 PAD_CTL_SPEED_HIGH | \
51 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
53 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
54 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
56 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
57 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
61 #define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
62 #define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
64 #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
66 /*Define for building port exp gpio, pin starts from 0*/
67 #define PORTEXP_IO_NR(chip, pin) \
70 /*Get the chip addr from a ioexp gpio*/
71 #define PORTEXP_IO_TO_CHIP(gpio_nr) \
74 /*Get the pin number from a ioexp gpio*/
75 #define PORTEXP_IO_TO_PIN(gpio_nr) \
78 #define CPU_PER_RST_B PORTEXP_IO_NR(0x30, 4)
79 #define STEER_ENET PORTEXP_IO_NR(0x32, 2)
81 static int port_exp_direction_output(unsigned gpio, int value)
86 ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio));
90 ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio),
91 (1 << PORTEXP_IO_TO_PIN(gpio)),
92 (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio)));
97 ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio),
98 (1 << PORTEXP_IO_TO_PIN(gpio)),
99 (value << PORTEXP_IO_TO_PIN(gpio)));
109 gd->ram_size = imx_ddr_size();
114 static iomux_v3_cfg_t const uart1_pads[] = {
115 MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
116 MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
119 static iomux_v3_cfg_t const usdhc3_pads[] = {
120 MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
121 MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
122 MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
129 MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132 MX6_PAD_USB_H_DATA__GPIO7_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL),
134 /* RST_B, used for power reset cycle */
135 MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
138 static iomux_v3_cfg_t const usdhc4_pads[] = {
139 MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
141 MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
142 MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
143 MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
144 MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
145 MX6_PAD_SD4_DATA4__USDHC4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
146 MX6_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
147 MX6_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
148 MX6_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
151 MX6_PAD_USB_H_STROBE__GPIO7_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
154 static iomux_v3_cfg_t const fec2_pads[] = {
155 MX6_PAD_ENET1_MDC__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
156 MX6_PAD_ENET1_MDIO__ENET2_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
157 MX6_PAD_RGMII2_RX_CTL__ENET2_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
158 MX6_PAD_RGMII2_RD0__ENET2_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
159 MX6_PAD_RGMII2_RD1__ENET2_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
160 MX6_PAD_RGMII2_RD2__ENET2_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
161 MX6_PAD_RGMII2_RD3__ENET2_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
162 MX6_PAD_RGMII2_RXC__ENET2_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
163 MX6_PAD_RGMII2_TX_CTL__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
164 MX6_PAD_RGMII2_TD0__ENET2_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
165 MX6_PAD_RGMII2_TD1__ENET2_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
166 MX6_PAD_RGMII2_TD2__ENET2_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
167 MX6_PAD_RGMII2_TD3__ENET2_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
168 MX6_PAD_RGMII2_TXC__ENET2_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
171 static void setup_iomux_uart(void)
173 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
176 static int setup_fec(void)
178 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
180 /* Use 125MHz anatop loopback REF_CLK1 for ENET2 */
181 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, 0);
183 return enable_fec_anatop_clock(1, ENET_125MHZ);
186 int board_eth_init(bd_t *bis)
190 imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads));
193 ret = fecmxc_initialize_multi(bis, 1,
194 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
196 printf("FEC%d MXC: %s:failed\n", 1, __func__);
201 int board_phy_config(struct phy_device *phydev)
204 * Enable 1.8V(SEL_1P5_1P8_POS_REG) on
205 * Phy control debug reg 0
207 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
208 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
210 /* rgmii tx clock delay enable */
211 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
212 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
214 if (phydev->drv->config)
215 phydev->drv->config(phydev);
220 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
222 struct i2c_pads_info i2c_pad_info2 = {
224 .i2c_mode = MX6_PAD_GPIO1_IO02__I2C2_SCL | PC,
225 .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO_2 | PC,
226 .gp = IMX_GPIO_NR(1, 2),
229 .i2c_mode = MX6_PAD_GPIO1_IO03__I2C2_SDA | PC,
230 .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO_3 | PC,
231 .gp = IMX_GPIO_NR(1, 3),
235 /* I2C3 for IO Expander */
236 struct i2c_pads_info i2c_pad_info3 = {
238 .i2c_mode = MX6_PAD_KEY_COL4__I2C3_SCL | PC,
239 .gpio_mode = MX6_PAD_KEY_COL4__GPIO2_IO_14 | PC,
240 .gp = IMX_GPIO_NR(2, 14),
243 .i2c_mode = MX6_PAD_KEY_ROW4__I2C3_SDA | PC,
244 .gpio_mode = MX6_PAD_KEY_ROW4__GPIO2_IO_19 | PC,
245 .gp = IMX_GPIO_NR(2, 19),
249 int power_init_board(void)
253 p = pfuze_common_init(I2C_PMIC);
260 #ifdef CONFIG_USB_EHCI_MX6
261 #define USB_OTHERREGS_OFFSET 0x800
262 #define UCTRL_PWR_POL (1 << 9)
264 static iomux_v3_cfg_t const usb_otg_pads[] = {
266 MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
267 MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
269 MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
272 static void setup_usb(void)
274 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
275 ARRAY_SIZE(usb_otg_pads));
278 int board_usb_phy_mode(int port)
281 return USB_INIT_HOST;
283 return usb_phy_mode(port);
286 int board_ehci_hcd_init(int port)
293 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
296 /* Set Power polarity */
297 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
303 int board_early_init_f(void)
310 static struct fsl_esdhc_cfg usdhc_cfg[3] = {
315 #define USDHC3_CD_GPIO IMX_GPIO_NR(7, 10)
316 #define USDHC3_RST_GPIO IMX_GPIO_NR(2, 11)
317 #define USDHC4_CD_GPIO IMX_GPIO_NR(7, 11)
319 int board_mmc_getcd(struct mmc *mmc)
321 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
324 switch (cfg->esdhc_base) {
325 case USDHC3_BASE_ADDR:
326 ret = !gpio_get_value(USDHC3_CD_GPIO);
328 case USDHC4_BASE_ADDR:
329 ret = !gpio_get_value(USDHC4_CD_GPIO);
336 int board_mmc_init(bd_t *bis)
341 * According to the board_mmc_init() the following map is done:
342 * (U-Boot device node) (Physical Port)
346 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
349 imx_iomux_v3_setup_multiple_pads(
350 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
351 gpio_direction_input(USDHC3_CD_GPIO);
353 /* This starts a power cycle for UHS-I. Need to set steer to B0 to A*/
354 gpio_direction_output(USDHC3_RST_GPIO, 0);
355 udelay(1000); /* need 1ms at least */
356 gpio_direction_output(USDHC3_RST_GPIO, 1);
358 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
361 imx_iomux_v3_setup_multiple_pads(
362 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
363 gpio_direction_input(USDHC4_CD_GPIO);
364 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
367 printf("Warning: you configured more USDHC controllers"
368 "(%d) than supported by the board\n", i + 1);
372 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
374 printf("Warning: failed to initialize mmc dev %d\n", i);
382 #ifdef CONFIG_FSL_QSPI
384 #define QSPI_PAD_CTRL1 \
385 (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \
386 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm)
388 static iomux_v3_cfg_t const quadspi_pads[] = {
389 MX6_PAD_QSPI1A_SS0_B__QSPI1_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
390 MX6_PAD_QSPI1A_SCLK__QSPI1_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
391 MX6_PAD_QSPI1A_DATA0__QSPI1_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
392 MX6_PAD_QSPI1A_DATA1__QSPI1_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
393 MX6_PAD_QSPI1A_DATA2__QSPI1_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
394 MX6_PAD_QSPI1A_DATA3__QSPI1_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
395 MX6_PAD_QSPI1B_SS0_B__QSPI1_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
396 MX6_PAD_QSPI1B_SCLK__QSPI1_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
397 MX6_PAD_QSPI1B_DATA0__QSPI1_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
398 MX6_PAD_QSPI1B_DATA1__QSPI1_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
399 MX6_PAD_QSPI1B_DATA2__QSPI1_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
400 MX6_PAD_QSPI1B_DATA3__QSPI1_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
403 int board_qspi_init(void)
406 imx_iomux_v3_setup_multiple_pads(quadspi_pads,
407 ARRAY_SIZE(quadspi_pads));
416 #ifdef CONFIG_NAND_MXS
417 iomux_v3_cfg_t gpmi_pads[] = {
418 MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
419 MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
420 MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
421 MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0),
422 MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
423 MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
424 MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
425 MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
426 MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
427 MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
428 MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
429 MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
430 MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
431 MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
432 MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
435 static void setup_gpmi_nand(void)
437 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
439 /* config gpmi nand iomux */
440 imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
442 setup_gpmi_io_clk((MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) |
443 MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) |
444 MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3)));
446 /* enable apbh clock gating */
447 setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
453 /* Address of boot parameters */
454 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
456 #ifdef CONFIG_SYS_I2C_MXC
457 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
458 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
461 /* Reset CPU_PER_RST_B signal for enet phy and PCIE */
462 port_exp_direction_output(CPU_PER_RST_B, 0);
464 port_exp_direction_output(CPU_PER_RST_B, 1);
466 /* Set steering signal to L for selecting B0 */
467 port_exp_direction_output(STEER_ENET, 0);
469 #ifdef CONFIG_USB_EHCI_MX6
473 #ifdef CONFIG_FSL_QSPI
477 #ifdef CONFIG_NAND_MXS
484 #ifdef CONFIG_CMD_BMODE
485 static const struct boot_mode board_boot_modes[] = {
486 {"sda", MAKE_CFGVAL(0x42, 0x30, 0x00, 0x00)},
487 {"sdb", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
488 {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
489 {"nand", MAKE_CFGVAL(0x82, 0x00, 0x00, 0x00)},
494 int board_late_init(void)
496 #ifdef CONFIG_CMD_BMODE
497 add_board_boot_modes(board_boot_modes);
505 puts("Board: MX6SX SABRE AUTO\n");