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cf94a342 YL |
1 | /* |
2 | * Copyright (C) 2014 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * Author: Ye Li <[email protected]> | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0+ | |
7 | */ | |
8 | ||
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> | |
15 | #include <asm/gpio.h> | |
16 | #include <asm/imx-common/iomux-v3.h> | |
17 | #include <asm/imx-common/boot_mode.h> | |
18 | #include <asm/io.h> | |
19 | #include <asm/imx-common/mxc_i2c.h> | |
20 | #include <linux/sizes.h> | |
21 | #include <common.h> | |
22 | #include <fsl_esdhc.h> | |
23 | #include <mmc.h> | |
24 | #include <i2c.h> | |
25 | #include <miiphy.h> | |
26 | #include <netdev.h> | |
27 | #include <power/pmic.h> | |
28 | #include <power/pfuze100_pmic.h> | |
29 | #include "../common/pfuze.h" | |
30 | #include <usb.h> | |
31 | #include <usb/ehci-fsl.h> | |
32 | #include <pca953x.h> | |
33 | ||
34 | DECLARE_GLOBAL_DATA_PTR; | |
35 | ||
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) | |
39 | ||
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) | |
43 | ||
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 | \ | |
47 | PAD_CTL_ODE) | |
48 | ||
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) | |
52 | ||
53 | #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ | |
54 | PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) | |
55 | ||
56 | #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ | |
57 | PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) | |
58 | ||
59 | #define I2C_PMIC 1 | |
60 | ||
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 | \ | |
63 | PAD_CTL_SRE_FAST) | |
64 | #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) | |
65 | ||
66 | /*Define for building port exp gpio, pin starts from 0*/ | |
67 | #define PORTEXP_IO_NR(chip, pin) \ | |
68 | ((chip << 5) + pin) | |
69 | ||
70 | /*Get the chip addr from a ioexp gpio*/ | |
71 | #define PORTEXP_IO_TO_CHIP(gpio_nr) \ | |
72 | (gpio_nr >> 5) | |
73 | ||
74 | /*Get the pin number from a ioexp gpio*/ | |
75 | #define PORTEXP_IO_TO_PIN(gpio_nr) \ | |
76 | (gpio_nr & 0x1f) | |
77 | ||
78 | #define CPU_PER_RST_B PORTEXP_IO_NR(0x30, 4) | |
79 | #define STEER_ENET PORTEXP_IO_NR(0x32, 2) | |
80 | ||
81 | static int port_exp_direction_output(unsigned gpio, int value) | |
82 | { | |
83 | int ret; | |
84 | ||
85 | i2c_set_bus_num(2); | |
86 | ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio)); | |
87 | if (ret) | |
88 | return ret; | |
89 | ||
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))); | |
93 | ||
94 | if (ret) | |
95 | return ret; | |
96 | ||
97 | ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio), | |
98 | (1 << PORTEXP_IO_TO_PIN(gpio)), | |
99 | (value << PORTEXP_IO_TO_PIN(gpio))); | |
100 | ||
101 | if (ret) | |
102 | return ret; | |
103 | ||
104 | return 0; | |
105 | } | |
106 | ||
107 | int dram_init(void) | |
108 | { | |
109 | gd->ram_size = PHYS_SDRAM_SIZE; | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
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), | |
117 | }; | |
118 | ||
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), | |
130 | ||
131 | /* CD pin */ | |
132 | MX6_PAD_USB_H_DATA__GPIO7_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
133 | ||
134 | /* RST_B, used for power reset cycle */ | |
135 | MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
136 | }; | |
137 | ||
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), | |
149 | ||
150 | /* CD pin */ | |
151 | MX6_PAD_USB_H_STROBE__GPIO7_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), | |
152 | }; | |
153 | ||
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), | |
169 | }; | |
170 | ||
171 | static void setup_iomux_uart(void) | |
172 | { | |
173 | imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); | |
174 | } | |
175 | ||
176 | static int setup_fec(void) | |
177 | { | |
178 | struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; | |
179 | ||
180 | /* Use 125MHz anatop loopback REF_CLK1 for ENET2 */ | |
181 | clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, 0); | |
182 | ||
183 | return enable_fec_anatop_clock(1, ENET_125MHZ); | |
184 | } | |
185 | ||
186 | int board_eth_init(bd_t *bis) | |
187 | { | |
188 | int ret; | |
189 | ||
190 | imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); | |
191 | setup_fec(); | |
192 | ||
193 | ret = fecmxc_initialize_multi(bis, 1, | |
194 | CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); | |
195 | if (ret) | |
196 | printf("FEC%d MXC: %s:failed\n", 1, __func__); | |
197 | ||
198 | return ret; | |
199 | } | |
200 | ||
201 | int board_phy_config(struct phy_device *phydev) | |
202 | { | |
203 | /* | |
204 | * Enable 1.8V(SEL_1P5_1P8_POS_REG) on | |
205 | * Phy control debug reg 0 | |
206 | */ | |
207 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); | |
208 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); | |
209 | ||
210 | /* rgmii tx clock delay enable */ | |
211 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); | |
212 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); | |
213 | ||
214 | if (phydev->drv->config) | |
215 | phydev->drv->config(phydev); | |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
220 | #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) | |
221 | /* I2C2 for PMIC */ | |
222 | struct i2c_pads_info i2c_pad_info2 = { | |
223 | .scl = { | |
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), | |
227 | }, | |
228 | .sda = { | |
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), | |
232 | }, | |
233 | }; | |
234 | ||
235 | /* I2C3 for IO Expander */ | |
236 | struct i2c_pads_info i2c_pad_info3 = { | |
237 | .scl = { | |
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), | |
241 | }, | |
242 | .sda = { | |
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), | |
246 | }, | |
247 | }; | |
248 | ||
249 | int power_init_board(void) | |
250 | { | |
251 | struct pmic *p; | |
252 | ||
253 | p = pfuze_common_init(I2C_PMIC); | |
254 | if (!p) | |
255 | return -ENODEV; | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | #ifdef CONFIG_USB_EHCI_MX6 | |
261 | #define USB_OTHERREGS_OFFSET 0x800 | |
262 | #define UCTRL_PWR_POL (1 << 9) | |
263 | ||
264 | static iomux_v3_cfg_t const usb_otg_pads[] = { | |
265 | /* OGT1 */ | |
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), | |
268 | /* OTG2 */ | |
269 | MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL) | |
270 | }; | |
271 | ||
272 | static void setup_usb(void) | |
273 | { | |
274 | imx_iomux_v3_setup_multiple_pads(usb_otg_pads, | |
275 | ARRAY_SIZE(usb_otg_pads)); | |
276 | } | |
277 | ||
278 | int board_usb_phy_mode(int port) | |
279 | { | |
280 | if (port == 1) | |
281 | return USB_INIT_HOST; | |
282 | else | |
283 | return usb_phy_mode(port); | |
284 | } | |
285 | ||
286 | int board_ehci_hcd_init(int port) | |
287 | { | |
288 | u32 *usbnc_usb_ctrl; | |
289 | ||
290 | if (port > 1) | |
291 | return -EINVAL; | |
292 | ||
293 | usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + | |
294 | port * 4); | |
295 | ||
296 | /* Set Power polarity */ | |
297 | setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); | |
298 | ||
299 | return 0; | |
300 | } | |
301 | #endif | |
302 | ||
303 | int board_early_init_f(void) | |
304 | { | |
305 | setup_iomux_uart(); | |
306 | ||
307 | return 0; | |
308 | } | |
309 | ||
310 | static struct fsl_esdhc_cfg usdhc_cfg[3] = { | |
311 | {USDHC3_BASE_ADDR}, | |
312 | {USDHC4_BASE_ADDR}, | |
313 | }; | |
314 | ||
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) | |
318 | ||
319 | int board_mmc_getcd(struct mmc *mmc) | |
320 | { | |
321 | struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; | |
322 | int ret = 0; | |
323 | ||
324 | switch (cfg->esdhc_base) { | |
325 | case USDHC3_BASE_ADDR: | |
326 | ret = !gpio_get_value(USDHC3_CD_GPIO); | |
327 | break; | |
328 | case USDHC4_BASE_ADDR: | |
329 | ret = !gpio_get_value(USDHC4_CD_GPIO); | |
330 | break; | |
331 | } | |
332 | ||
333 | return ret; | |
334 | } | |
335 | ||
336 | int board_mmc_init(bd_t *bis) | |
337 | { | |
338 | int i, ret; | |
339 | ||
340 | /* | |
341 | * According to the board_mmc_init() the following map is done: | |
a187559e | 342 | * (U-Boot device node) (Physical Port) |
cf94a342 YL |
343 | * mmc0 USDHC3 |
344 | * mmc1 USDHC4 | |
345 | */ | |
346 | for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { | |
347 | switch (i) { | |
348 | case 0: | |
349 | imx_iomux_v3_setup_multiple_pads( | |
350 | usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); | |
351 | gpio_direction_input(USDHC3_CD_GPIO); | |
352 | ||
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); | |
357 | ||
358 | usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); | |
359 | break; | |
360 | case 1: | |
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); | |
365 | break; | |
366 | default: | |
367 | printf("Warning: you configured more USDHC controllers" | |
368 | "(%d) than supported by the board\n", i + 1); | |
369 | return -EINVAL; | |
370 | } | |
371 | ||
372 | ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); | |
373 | if (ret) { | |
374 | printf("Warning: failed to initialize mmc dev %d\n", i); | |
375 | return ret; | |
376 | } | |
377 | } | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | #ifdef CONFIG_FSL_QSPI | |
383 | ||
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) | |
387 | ||
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), | |
401 | }; | |
402 | ||
403 | int board_qspi_init(void) | |
404 | { | |
405 | /* Set the iomux */ | |
406 | imx_iomux_v3_setup_multiple_pads(quadspi_pads, | |
407 | ARRAY_SIZE(quadspi_pads)); | |
408 | ||
409 | /* Set the clock */ | |
410 | enable_qspi_clk(0); | |
411 | ||
412 | return 0; | |
413 | } | |
414 | #endif | |
415 | ||
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), | |
433 | }; | |
434 | ||
435 | static void setup_gpmi_nand(void) | |
436 | { | |
437 | struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; | |
438 | ||
439 | /* config gpmi nand iomux */ | |
440 | imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); | |
441 | ||
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))); | |
445 | ||
446 | /* enable apbh clock gating */ | |
447 | setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); | |
448 | } | |
449 | #endif | |
450 | ||
451 | int board_init(void) | |
452 | { | |
453 | /* Address of boot parameters */ | |
454 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
455 | ||
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); | |
459 | #endif | |
460 | ||
461 | /* Reset CPU_PER_RST_B signal for enet phy and PCIE */ | |
462 | port_exp_direction_output(CPU_PER_RST_B, 0); | |
463 | udelay(500); | |
464 | port_exp_direction_output(CPU_PER_RST_B, 1); | |
465 | ||
466 | /* Set steering signal to L for selecting B0 */ | |
467 | port_exp_direction_output(STEER_ENET, 0); | |
468 | ||
469 | #ifdef CONFIG_USB_EHCI_MX6 | |
470 | setup_usb(); | |
471 | #endif | |
472 | ||
473 | #ifdef CONFIG_FSL_QSPI | |
474 | board_qspi_init(); | |
475 | #endif | |
476 | ||
477 | #ifdef CONFIG_NAND_MXS | |
478 | setup_gpmi_nand(); | |
479 | #endif | |
480 | ||
481 | return 0; | |
482 | } | |
483 | ||
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)}, | |
490 | {NULL, 0}, | |
491 | }; | |
492 | #endif | |
493 | ||
494 | int board_late_init(void) | |
495 | { | |
496 | #ifdef CONFIG_CMD_BMODE | |
497 | add_board_boot_modes(board_boot_modes); | |
498 | #endif | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
503 | int checkboard(void) | |
504 | { | |
505 | puts("Board: MX6SX SABRE AUTO\n"); | |
506 | ||
507 | return 0; | |
508 | } |