1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2014 Freescale Semiconductor, Inc.
5 * Author: Fabio Estevam <fabio.estevam@freescale.com>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/crm_regs.h>
12 #include <asm/arch/iomux.h>
13 #include <asm/arch/imx-regs.h>
14 #include <asm/arch/mx6-pins.h>
15 #include <asm/arch/sys_proto.h>
17 #include <asm/mach-imx/iomux-v3.h>
19 #include <asm/mach-imx/mxc_i2c.h>
21 #include <linux/sizes.h>
23 #include <fsl_esdhc_imx.h>
28 #include <power/pmic.h>
29 #include <power/pfuze100_pmic.h>
30 #include "../common/pfuze.h"
32 DECLARE_GLOBAL_DATA_PTR;
34 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
35 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
36 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
38 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
39 PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
40 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
42 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
43 PAD_CTL_SPEED_HIGH | \
44 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
46 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
47 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
49 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
50 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
52 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
53 PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
55 #define WDOG_PAD_CTRL (PAD_CTL_PUE | PAD_CTL_PKE | PAD_CTL_SPEED_MED | \
60 gd->ram_size = imx_ddr_size();
65 static iomux_v3_cfg_t const uart1_pads[] = {
66 MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
67 MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
70 static iomux_v3_cfg_t const wdog_b_pad = {
71 MX6_PAD_GPIO1_IO13__GPIO1_IO_13 | MUX_PAD_CTRL(WDOG_PAD_CTRL),
73 static iomux_v3_cfg_t const fec1_pads[] = {
74 MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
75 MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
76 MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
77 MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
78 MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
79 MX6_PAD_RGMII1_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
80 MX6_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
81 MX6_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
82 MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
83 MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
85 MX6_PAD_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
86 MX6_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
87 MX6_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
90 static iomux_v3_cfg_t const peri_3v3_pads[] = {
91 MX6_PAD_QSPI1A_DATA0__GPIO4_IO_16 | MUX_PAD_CTRL(NO_PAD_CTRL),
94 static iomux_v3_cfg_t const phy_control_pads[] = {
95 /* 25MHz Ethernet PHY Clock */
96 MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
99 MX6_PAD_ENET2_COL__GPIO2_IO_6 | MUX_PAD_CTRL(NO_PAD_CTRL),
101 /* AR8031 PHY Reset */
102 MX6_PAD_ENET2_CRS__GPIO2_IO_7 | MUX_PAD_CTRL(NO_PAD_CTRL),
105 static void setup_iomux_uart(void)
107 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
110 static int setup_fec(void)
112 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
113 struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
116 /* Use 125MHz anatop loopback REF_CLK1 for ENET1 */
117 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0);
119 ret = enable_fec_anatop_clock(0, ENET_125MHZ);
123 imx_iomux_v3_setup_multiple_pads(phy_control_pads,
124 ARRAY_SIZE(phy_control_pads));
126 /* Enable the ENET power, active low */
127 gpio_request(IMX_GPIO_NR(2, 6), "enet_rst");
128 gpio_direction_output(IMX_GPIO_NR(2, 6) , 0);
130 /* Reset AR8031 PHY */
131 gpio_request(IMX_GPIO_NR(2, 7), "phy_rst");
132 gpio_direction_output(IMX_GPIO_NR(2, 7) , 0);
134 gpio_set_value(IMX_GPIO_NR(2, 7), 1);
136 reg = readl(&anatop->pll_enet);
137 reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE;
138 writel(reg, &anatop->pll_enet);
143 int board_eth_init(bd_t *bis)
145 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
148 return cpu_eth_init(bis);
151 int power_init_board(void)
157 dev = pfuze_common_init();
161 ret = pfuze_mode_init(dev, APS_PFM);
165 /* Enable power of VGEN5 3V3, needed for SD3 */
166 reg = pmic_reg_read(dev, PFUZE100_VGEN5VOL);
167 reg &= ~LDO_VOL_MASK;
168 reg |= (LDOB_3_30V | (1 << LDO_EN));
169 pmic_reg_write(dev, PFUZE100_VGEN5VOL, reg);
174 int board_phy_config(struct phy_device *phydev)
177 * Enable 1.8V(SEL_1P5_1P8_POS_REG) on
178 * Phy control debug reg 0
180 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
181 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
183 /* rgmii tx clock delay enable */
184 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
185 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
187 if (phydev->drv->config)
188 phydev->drv->config(phydev);
193 int board_early_init_f(void)
197 /* Enable PERI_3V3, which is used by SD2, ENET, LVDS, BT */
198 imx_iomux_v3_setup_multiple_pads(peri_3v3_pads,
199 ARRAY_SIZE(peri_3v3_pads));
204 int board_mmc_get_env_dev(int devno)
209 #ifdef CONFIG_FSL_QSPI
211 int board_qspi_init(void)
220 #ifdef CONFIG_VIDEO_MXS
221 static iomux_v3_cfg_t const lcd_pads[] = {
222 MX6_PAD_LCD1_CLK__LCDIF1_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
223 MX6_PAD_LCD1_ENABLE__LCDIF1_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
224 MX6_PAD_LCD1_HSYNC__LCDIF1_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
225 MX6_PAD_LCD1_VSYNC__LCDIF1_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
226 MX6_PAD_LCD1_DATA00__LCDIF1_DATA_0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
227 MX6_PAD_LCD1_DATA01__LCDIF1_DATA_1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
228 MX6_PAD_LCD1_DATA02__LCDIF1_DATA_2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
229 MX6_PAD_LCD1_DATA03__LCDIF1_DATA_3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
230 MX6_PAD_LCD1_DATA04__LCDIF1_DATA_4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
231 MX6_PAD_LCD1_DATA05__LCDIF1_DATA_5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
232 MX6_PAD_LCD1_DATA06__LCDIF1_DATA_6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
233 MX6_PAD_LCD1_DATA07__LCDIF1_DATA_7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
234 MX6_PAD_LCD1_DATA08__LCDIF1_DATA_8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
235 MX6_PAD_LCD1_DATA09__LCDIF1_DATA_9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
236 MX6_PAD_LCD1_DATA10__LCDIF1_DATA_10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
237 MX6_PAD_LCD1_DATA11__LCDIF1_DATA_11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
238 MX6_PAD_LCD1_DATA12__LCDIF1_DATA_12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
239 MX6_PAD_LCD1_DATA13__LCDIF1_DATA_13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
240 MX6_PAD_LCD1_DATA14__LCDIF1_DATA_14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
241 MX6_PAD_LCD1_DATA15__LCDIF1_DATA_15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
242 MX6_PAD_LCD1_DATA16__LCDIF1_DATA_16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
243 MX6_PAD_LCD1_DATA17__LCDIF1_DATA_17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
244 MX6_PAD_LCD1_DATA18__LCDIF1_DATA_18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
245 MX6_PAD_LCD1_DATA19__LCDIF1_DATA_19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
246 MX6_PAD_LCD1_DATA20__LCDIF1_DATA_20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
247 MX6_PAD_LCD1_DATA21__LCDIF1_DATA_21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
248 MX6_PAD_LCD1_DATA22__LCDIF1_DATA_22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
249 MX6_PAD_LCD1_DATA23__LCDIF1_DATA_23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
250 MX6_PAD_LCD1_RESET__GPIO3_IO_27 | MUX_PAD_CTRL(NO_PAD_CTRL),
252 /* Use GPIO for Brightness adjustment, duty cycle = period */
253 MX6_PAD_SD1_DATA2__GPIO6_IO_4 | MUX_PAD_CTRL(NO_PAD_CTRL),
256 static int setup_lcd(void)
258 enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
260 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
263 gpio_request(IMX_GPIO_NR(3, 27), "lcd_rst");
264 gpio_direction_output(IMX_GPIO_NR(3, 27) , 0);
266 gpio_direction_output(IMX_GPIO_NR(3, 27) , 1);
268 /* Set Brightness to high */
269 gpio_request(IMX_GPIO_NR(6, 4), "lcd_bright");
270 gpio_direction_output(IMX_GPIO_NR(6, 4) , 1);
278 /* Address of boot parameters */
279 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
282 * Because kernel set WDOG_B mux before pad with the common pinctrl
283 * framwork now and wdog reset will be triggered once set WDOG_B mux
284 * with default pad setting, we set pad setting here to workaround this.
285 * Since imx_iomux_v3_setup_pad also set mux before pad setting, we set
286 * as GPIO mux firstly here to workaround it.
288 imx_iomux_v3_setup_pad(wdog_b_pad);
290 /* Active high for ncp692 */
291 gpio_request(IMX_GPIO_NR(4, 16), "ncp692_en");
292 gpio_direction_output(IMX_GPIO_NR(4, 16), 1);
294 #ifdef CONFIG_FSL_QSPI
298 #ifdef CONFIG_VIDEO_MXS
305 static bool is_reva(void)
307 return (nxp_board_rev() == 1);
310 int board_late_init(void)
312 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
314 env_set("board_rev", "REVA");
321 printf("Board: MX6SX SABRE SDB rev%c\n", nxp_board_rev_string());