1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de>
8 #include <asm/arch/clock.h>
9 #include <asm/arch/iomux.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/crm_regs.h>
12 #include <asm/arch/mx6ul_pins.h>
13 #include <asm/arch/mx6-pins.h>
14 #include <asm/arch/sys_proto.h>
16 #include <asm/mach-imx/iomux-v3.h>
17 #include <asm/mach-imx/boot_mode.h>
18 #include <asm/mach-imx/mxc_i2c.h>
22 #include <fsl_esdhc_imx.h>
28 #include <linux/delay.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 I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
42 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
43 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
46 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
47 PAD_CTL_SPEED_HIGH | \
48 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
50 #define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
51 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
53 #define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
55 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
56 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
58 #define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
59 PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
60 PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
63 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
65 static struct i2c_pads_info i2c_pad_info1 = {
67 .i2c_mode = MX6_PAD_GPIO1_IO02__I2C1_SCL | PC,
68 .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO02 | PC,
69 .gp = IMX_GPIO_NR(1, 2),
72 .i2c_mode = MX6_PAD_GPIO1_IO03__I2C1_SDA | PC,
73 .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO03 | PC,
74 .gp = IMX_GPIO_NR(1, 3),
78 static struct i2c_pads_info i2c_pad_info2 = {
80 .i2c_mode = MX6_PAD_GPIO1_IO00__I2C2_SCL | PC,
81 .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO00 | PC,
82 .gp = IMX_GPIO_NR(1, 0),
85 .i2c_mode = MX6_PAD_GPIO1_IO01__I2C2_SDA | PC,
86 .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO01 | PC,
87 .gp = IMX_GPIO_NR(1, 1),
91 static struct i2c_pads_info i2c_pad_info4 = {
93 .i2c_mode = MX6_PAD_UART2_TX_DATA__I2C4_SCL | PC,
94 .gpio_mode = MX6_PAD_UART2_TX_DATA__GPIO1_IO20 | PC,
95 .gp = IMX_GPIO_NR(1, 20),
98 .i2c_mode = MX6_PAD_UART2_RX_DATA__I2C4_SDA | PC,
99 .gpio_mode = MX6_PAD_UART2_RX_DATA__GPIO1_IO21 | PC,
100 .gp = IMX_GPIO_NR(1, 21),
106 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
111 static iomux_v3_cfg_t const uart1_pads[] = {
112 MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
113 MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
114 MX6_PAD_UART1_CTS_B__UART1_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL),
115 MX6_PAD_UART1_RTS_B__UART1_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL),
118 static iomux_v3_cfg_t const uart4_pads[] = {
119 MX6_PAD_UART4_TX_DATA__UART4_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
120 MX6_PAD_UART4_RX_DATA__UART4_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
123 static iomux_v3_cfg_t const uart5_pads[] = {
124 MX6_PAD_GPIO1_IO04__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
125 MX6_PAD_GPIO1_IO05__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
126 MX6_PAD_GPIO1_IO09__UART5_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL),
127 MX6_PAD_GPIO1_IO08__UART5_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL),
130 static iomux_v3_cfg_t const uart7_pads[] = {
131 MX6_PAD_ENET2_RX_EN__UART7_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
132 MX6_PAD_ENET2_TX_DATA0__UART7_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
135 static iomux_v3_cfg_t const uart8_pads[] = {
136 MX6_PAD_LCD_DATA20__UART8_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
137 MX6_PAD_LCD_DATA21__UART8_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
140 static void setup_iomux_uart(void)
142 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
143 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
144 imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
145 imx_iomux_v3_setup_multiple_pads(uart7_pads, ARRAY_SIZE(uart7_pads));
146 imx_iomux_v3_setup_multiple_pads(uart8_pads, ARRAY_SIZE(uart8_pads));
150 static iomux_v3_cfg_t const usdhc2_pads[] = {
151 MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
152 MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
153 MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
154 MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
155 MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
156 MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
157 MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
158 MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
159 MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
160 MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
165 MX6_PAD_NAND_ALE__USDHC2_RESET_B | MUX_PAD_CTRL(NO_PAD_CTRL),
168 static struct fsl_esdhc_cfg usdhc_cfg = {
169 .esdhc_base = USDHC2_BASE_ADDR,
173 #define USDHC2_PWR_GPIO IMX_GPIO_NR(1, 9)
175 int board_mmc_getcd(struct mmc *mmc)
177 /* eMMC is always present */
181 int board_mmc_init(bd_t *bis)
183 imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
185 usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
187 return fsl_esdhc_initialize(bis, &usdhc_cfg);
190 #define USB_OTHERREGS_OFFSET 0x800
191 #define UCTRL_PWR_POL (1 << 9)
193 static iomux_v3_cfg_t const usb_otg_pads[] = {
195 MX6_PAD_SD1_CMD__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
196 MX6_PAD_SD1_DATA0__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL),
198 MX6_PAD_SD1_DATA1__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
199 MX6_PAD_SD1_DATA3__ANATOP_OTG2_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL),
202 static void setup_usb(void)
204 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
205 ARRAY_SIZE(usb_otg_pads));
208 int board_usb_phy_mode(int port)
211 return USB_INIT_HOST;
213 return usb_phy_mode(port);
216 int board_ehci_hcd_init(int port)
223 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
226 /* Set Power polarity */
227 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
232 static iomux_v3_cfg_t const fec1_pads[] = {
233 MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
234 MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
235 MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
236 MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
237 MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
238 MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
239 MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
240 MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
241 MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
242 MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
245 MX6_PAD_CSI_MCLK__GPIO4_IO17 | MUX_PAD_CTRL(NO_PAD_CTRL),
246 /* ENET1 interrupt */
247 MX6_PAD_CSI_PIXCLK__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL),
250 #define ENET_PHY_RESET_GPIO IMX_GPIO_NR(4, 17)
252 int board_eth_init(bd_t *bis)
256 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
258 /* Reset LAN8742 PHY */
259 ret = gpio_request(ENET_PHY_RESET_GPIO, "phy-reset");
261 gpio_direction_output(ENET_PHY_RESET_GPIO , 0);
263 gpio_set_value(ENET_PHY_RESET_GPIO, 1);
266 return cpu_eth_init(bis);
269 static int setup_fec(int fec_id)
271 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
275 * Use 50M anatop loopback REF_CLK1 for ENET1,
276 * clear gpr1[13], set gpr1[17].
278 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
279 IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
281 ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
290 int board_phy_config(struct phy_device *phydev)
292 if (phydev->drv->config)
293 phydev->drv->config(phydev);
298 int board_early_init_f(void)
307 /* Address of boot parameters */
308 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
310 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
311 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
312 setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4);
314 setup_fec(CONFIG_FEC_ENET_DEV);
321 static const struct boot_mode board_boot_modes[] = {
322 /* 8 bit bus width */
323 {"emmc", MAKE_CFGVAL(0x60, 0x28, 0x00, 0x00)},
327 int board_late_init(void)
329 add_board_boot_modes(board_boot_modes);
330 env_set("board_name", "xpress");
337 puts("Board: CCV-EVA xPress\n");