]> git.ipfire.org Git - people/ms/u-boot.git/blob - board/toradex/apalis_imx6/apalis_imx6.c
projects / people / ms / u-boot.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
apalis/colibri_imx6: use independent USB PID for SPL
[people/ms/u-boot.git] / board / toradex / apalis_imx6 / apalis_imx6.c
1 /*
2 * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
3 * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
4 * Copyright (C) 2014-2016, Toradex AG
5 * copied from nitrogen6x
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10 #include <common.h>
11 #include <dm.h>
12 #include <environment.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/crm_regs.h>
15 #include <asm/arch/mxc_hdmi.h>
16 #include <asm/arch/imx-regs.h>
17 #include <asm/arch/iomux.h>
18 #include <asm/arch/sys_proto.h>
19 #include <asm/arch/mx6-pins.h>
20 #include <asm/arch/mx6-ddr.h>
21 #include <asm/bootm.h>
22 #include <asm/gpio.h>
23 #include <asm/io.h>
24 #include <asm/mach-imx/iomux-v3.h>
25 #include <asm/mach-imx/mxc_i2c.h>
26 #include <asm/mach-imx/sata.h>
27 #include <asm/mach-imx/boot_mode.h>
28 #include <asm/mach-imx/video.h>
29 #include <dm/platform_data/serial_mxc.h>
30 #include <dm/platdata.h>
31 #include <fsl_esdhc.h>
32 #include <g_dnl.h>
33 #include <i2c.h>
34 #include <imx_thermal.h>
35 #include <linux/errno.h>
36 #include <malloc.h>
37 #include <mmc.h>
38 #include <micrel.h>
39 #include <miiphy.h>
40 #include <netdev.h>
41
42 #include "../common/tdx-cfg-block.h"
43 #ifdef CONFIG_TDX_CMD_IMX_MFGR
44 #include "pf0100.h"
45 #endif
46
47 DECLARE_GLOBAL_DATA_PTR;
48
49 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
50 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
51 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
52
53 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
54 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
55 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
56
57 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
58 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
59
60 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
61 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
62
63 #define BUTTON_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
64 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
65
66 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
67 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
68 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
69
70 #define WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \
71 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
72 PAD_CTL_SRE_SLOW)
73
74 #define NO_PULLUP ( \
75 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
76 PAD_CTL_SRE_SLOW)
77
78 #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \
79 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
80 PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
81
82 #define TRISTATE (PAD_CTL_HYS | PAD_CTL_SPEED_MED)
83
84 #define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm)
85
86 #define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST)
87
88 int dram_init(void)
89 {
90 /* use the DDR controllers configured size */
91 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
92 (ulong)imx_ddr_size());
93
94 return 0;
95 }
96
97 /* Apalis UART1 */
98 iomux_v3_cfg_t const uart1_pads_dce[] = {
99 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
100 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
101 };
102 iomux_v3_cfg_t const uart1_pads_dte[] = {
103 MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
104 MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
105 };
106
107 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
108 /* Apalis I2C1 */
109 struct i2c_pads_info i2c_pad_info1 = {
110 .scl = {
111 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC,
112 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC,
113 .gp = IMX_GPIO_NR(5, 27)
114 },
115 .sda = {
116 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC,
117 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC,
118 .gp = IMX_GPIO_NR(5, 26)
119 }
120 };
121
122 /* Apalis local, PMIC, SGTL5000, STMPE811 */
123 struct i2c_pads_info i2c_pad_info_loc = {
124 .scl = {
125 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC,
126 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC,
127 .gp = IMX_GPIO_NR(4, 12)
128 },
129 .sda = {
130 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
131 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC,
132 .gp = IMX_GPIO_NR(4, 13)
133 }
134 };
135
136 /* Apalis I2C3 / CAM */
137 struct i2c_pads_info i2c_pad_info3 = {
138 .scl = {
139 .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
140 .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
141 .gp = IMX_GPIO_NR(3, 17)
142 },
143 .sda = {
144 .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
145 .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
146 .gp = IMX_GPIO_NR(3, 18)
147 }
148 };
149
150 /* Apalis I2C2 / DDC */
151 struct i2c_pads_info i2c_pad_info_ddc = {
152 .scl = {
153 .i2c_mode = MX6_PAD_EIM_EB2__HDMI_TX_DDC_SCL | PC,
154 .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
155 .gp = IMX_GPIO_NR(2, 30)
156 },
157 .sda = {
158 .i2c_mode = MX6_PAD_EIM_D16__HDMI_TX_DDC_SDA | PC,
159 .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC,
160 .gp = IMX_GPIO_NR(3, 16)
161 }
162 };
163
164 /* Apalis MMC1 */
165 iomux_v3_cfg_t const usdhc1_pads[] = {
166 MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
167 MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
168 MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
169 MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
170 MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
171 MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
172 MX6_PAD_NANDF_D0__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
173 MX6_PAD_NANDF_D1__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
174 MX6_PAD_NANDF_D2__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
175 MX6_PAD_NANDF_D3__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
176 MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
177 # define GPIO_MMC_CD IMX_GPIO_NR(4, 20)
178 };
179
180 /* Apalis SD1 */
181 iomux_v3_cfg_t const usdhc2_pads[] = {
182 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
183 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
184 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
185 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
186 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
187 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
188 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
189 # define GPIO_SD_CD IMX_GPIO_NR(6, 14)
190 };
191
192 /* eMMC */
193 iomux_v3_cfg_t const usdhc3_pads[] = {
194 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
195 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
196 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
197 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
198 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
199 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
200 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
201 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
202 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
203 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
204 MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP),
205 };
206
207 int mx6_rgmii_rework(struct phy_device *phydev)
208 {
209 /* control data pad skew - devaddr = 0x02, register = 0x04 */
210 ksz9031_phy_extended_write(phydev, 0x02,
211 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
212 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
213 /* rx data pad skew - devaddr = 0x02, register = 0x05 */
214 ksz9031_phy_extended_write(phydev, 0x02,
215 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
216 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
217 /* tx data pad skew - devaddr = 0x02, register = 0x05 */
218 ksz9031_phy_extended_write(phydev, 0x02,
219 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
220 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
221 /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */
222 ksz9031_phy_extended_write(phydev, 0x02,
223 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
224 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
225 return 0;
226 }
227
228 iomux_v3_cfg_t const enet_pads[] = {
229 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
230 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
231 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
232 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
233 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
234 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
235 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
236 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
237 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
238 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
239 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
240 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
241 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
242 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
243 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
244 /* KSZ9031 PHY Reset */
245 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
246 # define GPIO_ENET_PHY_RESET IMX_GPIO_NR(1, 25)
247 };
248
249 static void setup_iomux_enet(void)
250 {
251 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
252 }
253
254 static int reset_enet_phy(struct mii_dev *bus)
255 {
256 /* Reset KSZ9031 PHY */
257 gpio_direction_output(GPIO_ENET_PHY_RESET, 0);
258 mdelay(10);
259 gpio_set_value(GPIO_ENET_PHY_RESET, 1);
260
261 return 0;
262 }
263
264 /* mux the Apalis GPIO pins, so they can be used from the U-Boot cmdline */
265 iomux_v3_cfg_t const gpio_pads[] = {
266 /* Apalis GPIO1 - GPIO8 */
267 MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP),
268 MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(WEAK_PULLUP),
269 MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP),
270 MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(WEAK_PULLUP),
271 MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP),
272 MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP),
273 MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLDOWN),
274 MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(WEAK_PULLUP),
275 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP),
276 };
277
278 static void setup_iomux_gpio(void)
279 {
280 imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
281 }
282
283 iomux_v3_cfg_t const usb_pads[] = {
284 /* USBH_EN */
285 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
286 # define GPIO_USBH_EN IMX_GPIO_NR(1, 0)
287 /* USB_VBUS_DET */
288 MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
289 # define GPIO_USB_VBUS_DET IMX_GPIO_NR(3, 28)
290 /* USBO1_ID */
291 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(WEAK_PULLUP),
292 /* USBO1_EN */
293 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
294 # define GPIO_USBO_EN IMX_GPIO_NR(3, 22)
295 };
296
297 /*
298 * UARTs are used in DTE mode, switch the mode on all UARTs before
299 * any pinmuxing connects a (DCE) output to a transceiver output.
300 */
301 #define UFCR 0x90 /* FIFO Control Register */
302 #define UFCR_DCEDTE (1<<6) /* DCE=0 */
303
304 static void setup_dtemode_uart(void)
305 {
306 setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
307 setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
308 setbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
309 setbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
310 }
311 static void setup_dcemode_uart(void)
312 {
313 clrbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
314 clrbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
315 clrbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
316 clrbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
317 }
318
319 static void setup_iomux_dte_uart(void)
320 {
321 setup_dtemode_uart();
322 imx_iomux_v3_setup_multiple_pads(uart1_pads_dte,
323 ARRAY_SIZE(uart1_pads_dte));
324 }
325
326 static void setup_iomux_dce_uart(void)
327 {
328 setup_dcemode_uart();
329 imx_iomux_v3_setup_multiple_pads(uart1_pads_dce,
330 ARRAY_SIZE(uart1_pads_dce));
331 }
332
333 #ifdef CONFIG_USB_EHCI_MX6
334 int board_ehci_hcd_init(int port)
335 {
336 imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
337 return 0;
338 }
339
340 int board_ehci_power(int port, int on)
341 {
342 switch (port) {
343 case 0:
344 /* control OTG power */
345 gpio_direction_output(GPIO_USBO_EN, on);
346 mdelay(100);
347 break;
348 case 1:
349 /* Control MXM USBH */
350 gpio_direction_output(GPIO_USBH_EN, on);
351 mdelay(2);
352 /* Control onboard USB Hub VBUS */
353 gpio_direction_output(GPIO_USB_VBUS_DET, on);
354 mdelay(100);
355 break;
356 default:
357 break;
358 }
359 return 0;
360 }
361 #endif
362
363 #ifdef CONFIG_FSL_ESDHC
364 /* use the following sequence: eMMC, MMC, SD */
365 struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
366 {USDHC3_BASE_ADDR},
367 {USDHC1_BASE_ADDR},
368 {USDHC2_BASE_ADDR},
369 };
370
371 int board_mmc_getcd(struct mmc *mmc)
372 {
373 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
374 int ret = true; /* default: assume inserted */
375
376 switch (cfg->esdhc_base) {
377 case USDHC1_BASE_ADDR:
378 gpio_direction_input(GPIO_MMC_CD);
379 ret = !gpio_get_value(GPIO_MMC_CD);
380 break;
381 case USDHC2_BASE_ADDR:
382 gpio_direction_input(GPIO_SD_CD);
383 ret = !gpio_get_value(GPIO_SD_CD);
384 break;
385 }
386
387 return ret;
388 }
389
390 int board_mmc_init(bd_t *bis)
391 {
392 #ifndef CONFIG_SPL_BUILD
393 s32 status = 0;
394 u32 index = 0;
395
396 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
397 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
398 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
399
400 usdhc_cfg[0].max_bus_width = 8;
401 usdhc_cfg[1].max_bus_width = 8;
402 usdhc_cfg[2].max_bus_width = 4;
403
404 for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
405 switch (index) {
406 case 0:
407 imx_iomux_v3_setup_multiple_pads(
408 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
409 break;
410 case 1:
411 imx_iomux_v3_setup_multiple_pads(
412 usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
413 break;
414 case 2:
415 imx_iomux_v3_setup_multiple_pads(
416 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
417 break;
418 default:
419 printf("Warning: you configured more USDHC controllers (%d) then supported by the board (%d)\n",
420 index + 1, CONFIG_SYS_FSL_USDHC_NUM);
421 return status;
422 }
423
424 status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
425 }
426
427 return status;
428 #else
429 struct src *psrc = (struct src *)SRC_BASE_ADDR;
430 unsigned reg = readl(&psrc->sbmr1) >> 11;
431 /*
432 * Upon reading BOOT_CFG register the following map is done:
433 * Bit 11 and 12 of BOOT_CFG register can determine the current
434 * mmc port
435 * 0x1 SD1
436 * 0x2 SD2
437 * 0x3 SD4
438 */
439
440 switch (reg & 0x3) {
441 case 0x0:
442 imx_iomux_v3_setup_multiple_pads(
443 usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
444 usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
445 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
446 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
447 break;
448 case 0x1:
449 imx_iomux_v3_setup_multiple_pads(
450 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
451 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
452 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
453 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
454 break;
455 case 0x2:
456 imx_iomux_v3_setup_multiple_pads(
457 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
458 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
459 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
460 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
461 break;
462 default:
463 puts("MMC boot device not available");
464 }
465
466 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
467 #endif
468 }
469 #endif
470
471 int board_phy_config(struct phy_device *phydev)
472 {
473 mx6_rgmii_rework(phydev);
474 if (phydev->drv->config)
475 phydev->drv->config(phydev);
476
477 return 0;
478 }
479
480 int board_eth_init(bd_t *bis)
481 {
482 uint32_t base = IMX_FEC_BASE;
483 struct mii_dev *bus = NULL;
484 struct phy_device *phydev = NULL;
485 int ret;
486
487 setup_iomux_enet();
488
489 #ifdef CONFIG_FEC_MXC
490 bus = fec_get_miibus(base, -1);
491 if (!bus)
492 return 0;
493 bus->reset = reset_enet_phy;
494 /* scan PHY 4,5,6,7 */
495 phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
496 if (!phydev) {
497 free(bus);
498 puts("no PHY found\n");
499 return 0;
500 }
501 printf("using PHY at %d\n", phydev->addr);
502 ret = fec_probe(bis, -1, base, bus, phydev);
503 if (ret) {
504 printf("FEC MXC: %s:failed\n", __func__);
505 free(phydev);
506 free(bus);
507 }
508 #endif
509 return 0;
510 }
511
512 static iomux_v3_cfg_t const pwr_intb_pads[] = {
513 /*
514 * the bootrom sets the iomux to vselect, potentially connecting
515 * two outputs. Set this back to GPIO
516 */
517 MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)
518 };
519
520 #if defined(CONFIG_VIDEO_IPUV3)
521
522 static iomux_v3_cfg_t const backlight_pads[] = {
523 /* Backlight on RGB connector: J15 */
524 MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL),
525 #define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13)
526 /* additional CPU pin on BKL_PWM, keep in tristate */
527 MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE),
528 /* Backlight PWM, used as GPIO in U-Boot */
529 MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
530 #define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 10)
531 /* buffer output enable 0: buffer enabled */
532 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(WEAK_PULLUP),
533 #define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2)
534 /* PSAVE# integrated VDAC */
535 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL),
536 #define VGA_PSAVE_NOT_GP IMX_GPIO_NR(6, 31)
537 };
538
539 static iomux_v3_cfg_t const rgb_pads[] = {
540 MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB),
541 MX6_PAD_EIM_DA10__IPU1_DI1_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB),
542 MX6_PAD_EIM_DA11__IPU1_DI1_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB),
543 MX6_PAD_EIM_DA12__IPU1_DI1_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB),
544 MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB),
545 MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB),
546 MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB),
547 MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB),
548 MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB),
549 MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB),
550 MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB),
551 MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB),
552 MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB),
553 MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB),
554 MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB),
555 MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB),
556 MX6_PAD_EIM_A17__IPU1_DISP1_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB),
557 MX6_PAD_EIM_A18__IPU1_DISP1_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB),
558 MX6_PAD_EIM_A19__IPU1_DISP1_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB),
559 MX6_PAD_EIM_A20__IPU1_DISP1_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB),
560 MX6_PAD_EIM_A21__IPU1_DISP1_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB),
561 MX6_PAD_EIM_A22__IPU1_DISP1_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB),
562 MX6_PAD_EIM_A23__IPU1_DISP1_DATA18 | MUX_PAD_CTRL(OUTPUT_RGB),
563 MX6_PAD_EIM_A24__IPU1_DISP1_DATA19 | MUX_PAD_CTRL(OUTPUT_RGB),
564 MX6_PAD_EIM_D26__IPU1_DISP1_DATA22 | MUX_PAD_CTRL(OUTPUT_RGB),
565 MX6_PAD_EIM_D27__IPU1_DISP1_DATA23 | MUX_PAD_CTRL(OUTPUT_RGB),
566 MX6_PAD_EIM_D30__IPU1_DISP1_DATA21 | MUX_PAD_CTRL(OUTPUT_RGB),
567 MX6_PAD_EIM_D31__IPU1_DISP1_DATA20 | MUX_PAD_CTRL(OUTPUT_RGB),
568 };
569
570 static void do_enable_hdmi(struct display_info_t const *dev)
571 {
572 imx_enable_hdmi_phy();
573 }
574
575 static int detect_i2c(struct display_info_t const *dev)
576 {
577 return (0 == i2c_set_bus_num(dev->bus)) &&
578 (0 == i2c_probe(dev->addr));
579 }
580
581 static void enable_lvds(struct display_info_t const *dev)
582 {
583 struct iomuxc *iomux = (struct iomuxc *)
584 IOMUXC_BASE_ADDR;
585 u32 reg = readl(&iomux->gpr[2]);
586 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
587 writel(reg, &iomux->gpr[2]);
588 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
589 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
590 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
591 }
592
593 static void enable_rgb(struct display_info_t const *dev)
594 {
595 imx_iomux_v3_setup_multiple_pads(
596 rgb_pads,
597 ARRAY_SIZE(rgb_pads));
598 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
599 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
600 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
601 }
602
603 static int detect_default(struct display_info_t const *dev)
604 {
605 (void) dev;
606 return 1;
607 }
608
609 struct display_info_t const displays[] = {{
610 .bus = -1,
611 .addr = 0,
612 .pixfmt = IPU_PIX_FMT_RGB24,
613 .detect = detect_hdmi,
614 .enable = do_enable_hdmi,
615 .mode = {
616 .name = "HDMI",
617 .refresh = 60,
618 .xres = 1024,
619 .yres = 768,
620 .pixclock = 15385,
621 .left_margin = 220,
622 .right_margin = 40,
623 .upper_margin = 21,
624 .lower_margin = 7,
625 .hsync_len = 60,
626 .vsync_len = 10,
627 .sync = FB_SYNC_EXT,
628 .vmode = FB_VMODE_NONINTERLACED
629 } }, {
630 .bus = -1,
631 .addr = 0,
632 .di = 1,
633 .pixfmt = IPU_PIX_FMT_RGB24,
634 .detect = detect_default,
635 .enable = enable_rgb,
636 .mode = {
637 .name = "vga-rgb",
638 .refresh = 60,
639 .xres = 640,
640 .yres = 480,
641 .pixclock = 33000,
642 .left_margin = 48,
643 .right_margin = 16,
644 .upper_margin = 31,
645 .lower_margin = 11,
646 .hsync_len = 96,
647 .vsync_len = 2,
648 .sync = 0,
649 .vmode = FB_VMODE_NONINTERLACED
650 } }, {
651 .bus = -1,
652 .addr = 0,
653 .di = 1,
654 .pixfmt = IPU_PIX_FMT_RGB24,
655 .enable = enable_rgb,
656 .mode = {
657 .name = "wvga-rgb",
658 .refresh = 60,
659 .xres = 800,
660 .yres = 480,
661 .pixclock = 25000,
662 .left_margin = 40,
663 .right_margin = 88,
664 .upper_margin = 33,
665 .lower_margin = 10,
666 .hsync_len = 128,
667 .vsync_len = 2,
668 .sync = 0,
669 .vmode = FB_VMODE_NONINTERLACED
670 } }, {
671 .bus = -1,
672 .addr = 0,
673 .pixfmt = IPU_PIX_FMT_LVDS666,
674 .detect = detect_i2c,
675 .enable = enable_lvds,
676 .mode = {
677 .name = "wsvga-lvds",
678 .refresh = 60,
679 .xres = 1024,
680 .yres = 600,
681 .pixclock = 15385,
682 .left_margin = 220,
683 .right_margin = 40,
684 .upper_margin = 21,
685 .lower_margin = 7,
686 .hsync_len = 60,
687 .vsync_len = 10,
688 .sync = FB_SYNC_EXT,
689 .vmode = FB_VMODE_NONINTERLACED
690 } } };
691 size_t display_count = ARRAY_SIZE(displays);
692
693 static void setup_display(void)
694 {
695 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
696 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
697 int reg;
698
699 enable_ipu_clock();
700 imx_setup_hdmi();
701 /* Turn on LDB0,IPU,IPU DI0 clocks */
702 reg = __raw_readl(&mxc_ccm->CCGR3);
703 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
704 writel(reg, &mxc_ccm->CCGR3);
705
706 /* set LDB0, LDB1 clk select to 011/011 */
707 reg = readl(&mxc_ccm->cs2cdr);
708 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
709 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
710 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
711 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
712 writel(reg, &mxc_ccm->cs2cdr);
713
714 reg = readl(&mxc_ccm->cscmr2);
715 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
716 writel(reg, &mxc_ccm->cscmr2);
717
718 reg = readl(&mxc_ccm->chsccdr);
719 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
720 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
721 writel(reg, &mxc_ccm->chsccdr);
722
723 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
724 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
725 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
726 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
727 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
728 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
729 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
730 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
731 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
732 writel(reg, &iomux->gpr[2]);
733
734 reg = readl(&iomux->gpr[3]);
735 reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
736 |IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
737 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
738 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
739 writel(reg, &iomux->gpr[3]);
740
741 /* backlight unconditionally on for now */
742 imx_iomux_v3_setup_multiple_pads(backlight_pads,
743 ARRAY_SIZE(backlight_pads));
744 /* use 0 for EDT 7", use 1 for LG fullHD panel */
745 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
746 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
747 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
748 }
749 #endif /* defined(CONFIG_VIDEO_IPUV3) */
750
751 int board_early_init_f(void)
752 {
753 imx_iomux_v3_setup_multiple_pads(pwr_intb_pads,
754 ARRAY_SIZE(pwr_intb_pads));
755 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0
756 setup_iomux_dte_uart();
757 #else
758 setup_iomux_dce_uart();
759 #endif
760
761 #if defined(CONFIG_VIDEO_IPUV3)
762 setup_display();
763 #endif
764 return 0;
765 }
766
767 /*
768 * Do not overwrite the console
769 * Use always serial for U-Boot console
770 */
771 int overwrite_console(void)
772 {
773 return 1;
774 }
775
776 int board_init(void)
777 {
778 /* address of boot parameters */
779 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
780
781 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
782 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc);
783 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
784
785 #ifdef CONFIG_TDX_CMD_IMX_MFGR
786 (void) pmic_init();
787 #endif
788
789 #ifdef CONFIG_SATA
790 setup_sata();
791 #endif
792
793 setup_iomux_gpio();
794
795 return 0;
796 }
797
798 #ifdef CONFIG_BOARD_LATE_INIT
799 int board_late_init(void)
800 {
801 #if defined(CONFIG_REVISION_TAG) && \
802 defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
803 char env_str[256];
804 u32 rev;
805
806 rev = get_board_rev();
807 snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev);
808 env_set("board_rev", env_str);
809
810 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0
811 if ((rev & 0xfff0) == 0x0100) {
812 char *fdt_env;
813
814 /* reconfigure the UART to DCE mode dynamically if on V1.0 HW */
815 setup_iomux_dce_uart();
816
817 /* if using the default device tree, use version for V1.0 HW */
818 fdt_env = env_get("fdt_file");
819 if ((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) {
820 env_set("fdt_file", FDT_FILE_V1_0);
821 printf("patching fdt_file to " FDT_FILE_V1_0 "\n");
822 #ifndef CONFIG_ENV_IS_NOWHERE
823 env_save();
824 #endif
825 }
826 }
827 #endif /* CONFIG_TDX_APALIS_IMX6_V1_0 */
828 #endif /* CONFIG_REVISION_TAG */
829
830 return 0;
831 }
832 #endif /* CONFIG_BOARD_LATE_INIT */
833
834 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP)
835 int ft_system_setup(void *blob, bd_t *bd)
836 {
837 return 0;
838 }
839 #endif
840
841 int checkboard(void)
842 {
843 char it[] = " IT";
844 int minc, maxc;
845
846 switch (get_cpu_temp_grade(&minc, &maxc)) {
847 case TEMP_AUTOMOTIVE:
848 case TEMP_INDUSTRIAL:
849 break;
850 case TEMP_EXTCOMMERCIAL:
851 default:
852 it[0] = 0;
853 };
854 printf("Model: Toradex Apalis iMX6 %s %s%s\n",
855 is_cpu_type(MXC_CPU_MX6D) ? "Dual" : "Quad",
856 (gd->ram_size == 0x80000000) ? "2GB" :
857 (gd->ram_size == 0x40000000) ? "1GB" : "512MB", it);
858 return 0;
859 }
860
861 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
862 int ft_board_setup(void *blob, bd_t *bd)
863 {
864 return ft_common_board_setup(blob, bd);
865 }
866 #endif
867
868 #ifdef CONFIG_CMD_BMODE
869 static const struct boot_mode board_boot_modes[] = {
870 /* 4-bit bus width */
871 {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
872 {"sd", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
873 {NULL, 0},
874 };
875 #endif
876
877 int misc_init_r(void)
878 {
879 #ifdef CONFIG_CMD_BMODE
880 add_board_boot_modes(board_boot_modes);
881 #endif
882 return 0;
883 }
884
885 #ifdef CONFIG_LDO_BYPASS_CHECK
886 /* TODO, use external pmic, for now always ldo_enable */
887 void ldo_mode_set(int ldo_bypass)
888 {
889 return;
890 }
891 #endif
892
893 #ifdef CONFIG_SPL_BUILD
894 #include <spl.h>
895 #include <libfdt.h>
896 #include "asm/arch/mx6q-ddr.h"
897 #include "asm/arch/iomux.h"
898 #include "asm/arch/crm_regs.h"
899
900 static int mx6_com_dcd_table[] = {
901 /* ddr-setup.cfg */
902 MX6_IOM_DRAM_SDQS0, 0x00000030,
903 MX6_IOM_DRAM_SDQS1, 0x00000030,
904 MX6_IOM_DRAM_SDQS2, 0x00000030,
905 MX6_IOM_DRAM_SDQS3, 0x00000030,
906 MX6_IOM_DRAM_SDQS4, 0x00000030,
907 MX6_IOM_DRAM_SDQS5, 0x00000030,
908 MX6_IOM_DRAM_SDQS6, 0x00000030,
909 MX6_IOM_DRAM_SDQS7, 0x00000030,
910
911 MX6_IOM_GRP_B0DS, 0x00000030,
912 MX6_IOM_GRP_B1DS, 0x00000030,
913 MX6_IOM_GRP_B2DS, 0x00000030,
914 MX6_IOM_GRP_B3DS, 0x00000030,
915 MX6_IOM_GRP_B4DS, 0x00000030,
916 MX6_IOM_GRP_B5DS, 0x00000030,
917 MX6_IOM_GRP_B6DS, 0x00000030,
918 MX6_IOM_GRP_B7DS, 0x00000030,
919 MX6_IOM_GRP_ADDDS, 0x00000030,
920 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
921 MX6_IOM_GRP_CTLDS, 0x00000030,
922
923 MX6_IOM_DRAM_DQM0, 0x00020030,
924 MX6_IOM_DRAM_DQM1, 0x00020030,
925 MX6_IOM_DRAM_DQM2, 0x00020030,
926 MX6_IOM_DRAM_DQM3, 0x00020030,
927 MX6_IOM_DRAM_DQM4, 0x00020030,
928 MX6_IOM_DRAM_DQM5, 0x00020030,
929 MX6_IOM_DRAM_DQM6, 0x00020030,
930 MX6_IOM_DRAM_DQM7, 0x00020030,
931
932 MX6_IOM_DRAM_CAS, 0x00020030,
933 MX6_IOM_DRAM_RAS, 0x00020030,
934 MX6_IOM_DRAM_SDCLK_0, 0x00020030,
935 MX6_IOM_DRAM_SDCLK_1, 0x00020030,
936
937 MX6_IOM_DRAM_RESET, 0x00020030,
938 MX6_IOM_DRAM_SDCKE0, 0x00003000,
939 MX6_IOM_DRAM_SDCKE1, 0x00003000,
940
941 MX6_IOM_DRAM_SDODT0, 0x00003030,
942 MX6_IOM_DRAM_SDODT1, 0x00003030,
943
944 /* (differential input) */
945 MX6_IOM_DDRMODE_CTL, 0x00020000,
946 /* (differential input) */
947 MX6_IOM_GRP_DDRMODE, 0x00020000,
948 /* disable ddr pullups */
949 MX6_IOM_GRP_DDRPKE, 0x00000000,
950 MX6_IOM_DRAM_SDBA2, 0x00000000,
951 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
952 MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
953
954 /* Read data DQ Byte0-3 delay */
955 MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
956 MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
957 MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
958 MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
959 MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
960 MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
961 MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
962 MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
963
964 /*
965 * MDMISC mirroring interleaved (row/bank/col)
966 */
967 MX6_MMDC_P0_MDMISC, 0x00081740,
968
969 /*
970 * MDSCR con_req
971 */
972 MX6_MMDC_P0_MDSCR, 0x00008000,
973
974 /* 1066mhz_4x128mx16.cfg */
975
976 MX6_MMDC_P0_MDPDC, 0x00020036,
977 MX6_MMDC_P0_MDCFG0, 0x555A7954,
978 MX6_MMDC_P0_MDCFG1, 0xDB328F64,
979 MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
980 MX6_MMDC_P0_MDRWD, 0x000026D2,
981 MX6_MMDC_P0_MDOR, 0x005A1023,
982 MX6_MMDC_P0_MDOTC, 0x09555050,
983 MX6_MMDC_P0_MDPDC, 0x00025576,
984 MX6_MMDC_P0_MDASP, 0x00000027,
985 MX6_MMDC_P0_MDCTL, 0x831A0000,
986 MX6_MMDC_P0_MDSCR, 0x04088032,
987 MX6_MMDC_P0_MDSCR, 0x00008033,
988 MX6_MMDC_P0_MDSCR, 0x00428031,
989 MX6_MMDC_P0_MDSCR, 0x19308030,
990 MX6_MMDC_P0_MDSCR, 0x04008040,
991 MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
992 MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
993 MX6_MMDC_P0_MDREF, 0x00005800,
994 MX6_MMDC_P0_MPODTCTRL, 0x00000000,
995 MX6_MMDC_P1_MPODTCTRL, 0x00000000,
996
997 MX6_MMDC_P0_MPDGCTRL0, 0x432A0338,
998 MX6_MMDC_P0_MPDGCTRL1, 0x03260324,
999 MX6_MMDC_P1_MPDGCTRL0, 0x43340344,
1000 MX6_MMDC_P1_MPDGCTRL1, 0x031E027C,
1001
1002 MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E,
1003 MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37,
1004
1005 MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C,
1006 MX6_MMDC_P1_MPWRDLCTL, 0x4336453F,
1007
1008 MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
1009 MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
1010 MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
1011 MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
1012
1013 MX6_MMDC_P0_MPMUR0, 0x00000800,
1014 MX6_MMDC_P1_MPMUR0, 0x00000800,
1015 MX6_MMDC_P0_MDSCR, 0x00000000,
1016 MX6_MMDC_P0_MAPSR, 0x00011006,
1017 };
1018
1019 static int mx6_it_dcd_table[] = {
1020 /* ddr-setup.cfg */
1021 MX6_IOM_DRAM_SDQS0, 0x00000030,
1022 MX6_IOM_DRAM_SDQS1, 0x00000030,
1023 MX6_IOM_DRAM_SDQS2, 0x00000030,
1024 MX6_IOM_DRAM_SDQS3, 0x00000030,
1025 MX6_IOM_DRAM_SDQS4, 0x00000030,
1026 MX6_IOM_DRAM_SDQS5, 0x00000030,
1027 MX6_IOM_DRAM_SDQS6, 0x00000030,
1028 MX6_IOM_DRAM_SDQS7, 0x00000030,
1029
1030 MX6_IOM_GRP_B0DS, 0x00000030,
1031 MX6_IOM_GRP_B1DS, 0x00000030,
1032 MX6_IOM_GRP_B2DS, 0x00000030,
1033 MX6_IOM_GRP_B3DS, 0x00000030,
1034 MX6_IOM_GRP_B4DS, 0x00000030,
1035 MX6_IOM_GRP_B5DS, 0x00000030,
1036 MX6_IOM_GRP_B6DS, 0x00000030,
1037 MX6_IOM_GRP_B7DS, 0x00000030,
1038 MX6_IOM_GRP_ADDDS, 0x00000030,
1039 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
1040 MX6_IOM_GRP_CTLDS, 0x00000030,
1041
1042 MX6_IOM_DRAM_DQM0, 0x00020030,
1043 MX6_IOM_DRAM_DQM1, 0x00020030,
1044 MX6_IOM_DRAM_DQM2, 0x00020030,
1045 MX6_IOM_DRAM_DQM3, 0x00020030,
1046 MX6_IOM_DRAM_DQM4, 0x00020030,
1047 MX6_IOM_DRAM_DQM5, 0x00020030,
1048 MX6_IOM_DRAM_DQM6, 0x00020030,
1049 MX6_IOM_DRAM_DQM7, 0x00020030,
1050
1051 MX6_IOM_DRAM_CAS, 0x00020030,
1052 MX6_IOM_DRAM_RAS, 0x00020030,
1053 MX6_IOM_DRAM_SDCLK_0, 0x00020030,
1054 MX6_IOM_DRAM_SDCLK_1, 0x00020030,
1055
1056 MX6_IOM_DRAM_RESET, 0x00020030,
1057 MX6_IOM_DRAM_SDCKE0, 0x00003000,
1058 MX6_IOM_DRAM_SDCKE1, 0x00003000,
1059
1060 MX6_IOM_DRAM_SDODT0, 0x00003030,
1061 MX6_IOM_DRAM_SDODT1, 0x00003030,
1062
1063 /* (differential input) */
1064 MX6_IOM_DDRMODE_CTL, 0x00020000,
1065 /* (differential input) */
1066 MX6_IOM_GRP_DDRMODE, 0x00020000,
1067 /* disable ddr pullups */
1068 MX6_IOM_GRP_DDRPKE, 0x00000000,
1069 MX6_IOM_DRAM_SDBA2, 0x00000000,
1070 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
1071 MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
1072
1073 /* Read data DQ Byte0-3 delay */
1074 MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
1075 MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
1076 MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
1077 MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
1078 MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
1079 MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
1080 MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
1081 MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
1082
1083 /*
1084 * MDMISC mirroring interleaved (row/bank/col)
1085 */
1086 MX6_MMDC_P0_MDMISC, 0x00081740,
1087
1088 /*
1089 * MDSCR con_req
1090 */
1091 MX6_MMDC_P0_MDSCR, 0x00008000,
1092
1093 /* 1066mhz_4x256mx16.cfg */
1094
1095 MX6_MMDC_P0_MDPDC, 0x00020036,
1096 MX6_MMDC_P0_MDCFG0, 0x898E78f5,
1097 MX6_MMDC_P0_MDCFG1, 0xff328f64,
1098 MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
1099 MX6_MMDC_P0_MDRWD, 0x000026D2,
1100 MX6_MMDC_P0_MDOR, 0x008E1023,
1101 MX6_MMDC_P0_MDOTC, 0x09444040,
1102 MX6_MMDC_P0_MDPDC, 0x00025576,
1103 MX6_MMDC_P0_MDASP, 0x00000047,
1104 MX6_MMDC_P0_MDCTL, 0x841A0000,
1105 MX6_MMDC_P0_MDSCR, 0x02888032,
1106 MX6_MMDC_P0_MDSCR, 0x00008033,
1107 MX6_MMDC_P0_MDSCR, 0x00048031,
1108 MX6_MMDC_P0_MDSCR, 0x19408030,
1109 MX6_MMDC_P0_MDSCR, 0x04008040,
1110 MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
1111 MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
1112 MX6_MMDC_P0_MDREF, 0x00007800,
1113 MX6_MMDC_P0_MPODTCTRL, 0x00022227,
1114 MX6_MMDC_P1_MPODTCTRL, 0x00022227,
1115
1116 MX6_MMDC_P0_MPDGCTRL0, 0x03300338,
1117 MX6_MMDC_P0_MPDGCTRL1, 0x03240324,
1118 MX6_MMDC_P1_MPDGCTRL0, 0x03440350,
1119 MX6_MMDC_P1_MPDGCTRL1, 0x032C0308,
1120
1121 MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E,
1122 MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46,
1123
1124 MX6_MMDC_P0_MPWRDLCTL, 0x403E463E,
1125 MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46,
1126
1127 MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
1128 MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
1129 MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
1130 MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
1131
1132 MX6_MMDC_P0_MPMUR0, 0x00000800,
1133 MX6_MMDC_P1_MPMUR0, 0x00000800,
1134 MX6_MMDC_P0_MDSCR, 0x00000000,
1135 MX6_MMDC_P0_MAPSR, 0x00011006,
1136 };
1137
1138
1139 static void ccgr_init(void)
1140 {
1141 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
1142
1143 writel(0x00C03F3F, &ccm->CCGR0);
1144 writel(0x0030FC03, &ccm->CCGR1);
1145 writel(0x0FFFFFF3, &ccm->CCGR2);
1146 writel(0x3FF0300F, &ccm->CCGR3);
1147 writel(0x00FFF300, &ccm->CCGR4);
1148 writel(0x0F0000F3, &ccm->CCGR5);
1149 writel(0x000003FF, &ccm->CCGR6);
1150
1151 /*
1152 * Setup CCM_CCOSR register as follows:
1153 *
1154 * cko1_en = 1 --> CKO1 enabled
1155 * cko1_div = 111 --> divide by 8
1156 * cko1_sel = 1011 --> ahb_clk_root
1157 *
1158 * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
1159 */
1160 writel(0x000000FB, &ccm->ccosr);
1161 }
1162
1163 static void gpr_init(void)
1164 {
1165 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
1166
1167 /* enable AXI cache for VDOA/VPU/IPU */
1168 writel(0xF00000CF, &iomux->gpr[4]);
1169 /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
1170 writel(0x007F007F, &iomux->gpr[6]);
1171 writel(0x007F007F, &iomux->gpr[7]);
1172 }
1173
1174 static void ddr_init(int *table, int size)
1175 {
1176 int i;
1177
1178 for (i = 0; i < size / 2 ; i++)
1179 writel(table[2 * i + 1], table[2 * i]);
1180 }
1181
1182 static void spl_dram_init(void)
1183 {
1184 int minc, maxc;
1185
1186 switch (get_cpu_temp_grade(&minc, &maxc)) {
1187 case TEMP_COMMERCIAL:
1188 case TEMP_EXTCOMMERCIAL:
1189 puts("Commercial temperature grade DDR3 timings.\n");
1190 ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table));
1191 break;
1192 case TEMP_INDUSTRIAL:
1193 case TEMP_AUTOMOTIVE:
1194 default:
1195 puts("Industrial temperature grade DDR3 timings.\n");
1196 ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_dcd_table));
1197 break;
1198 };
1199 udelay(100);
1200 }
1201
1202 void board_init_f(ulong dummy)
1203 {
1204 /* setup AIPS and disable watchdog */
1205 arch_cpu_init();
1206
1207 ccgr_init();
1208 gpr_init();
1209
1210 /* iomux and setup of i2c */
1211 board_early_init_f();
1212
1213 /* setup GP timer */
1214 timer_init();
1215
1216 /* UART clocks enabled and gd valid - init serial console */
1217 preloader_console_init();
1218
1219 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0
1220 /* Make sure we use dte mode */
1221 setup_dtemode_uart();
1222 #endif
1223
1224 /* DDR initialization */
1225 spl_dram_init();
1226
1227 /* Clear the BSS. */
1228 memset(__bss_start, 0, __bss_end - __bss_start);
1229
1230 /* load/boot image from boot device */
1231 board_init_r(NULL, 0);
1232 }
1233
1234 void reset_cpu(ulong addr)
1235 {
1236 }
1237
1238 #ifdef CONFIG_SPL_USB_GADGET_SUPPORT
1239 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
1240 {
1241 unsigned short usb_pid;
1242
1243 usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + 0xfff;
1244 put_unaligned(usb_pid, &dev->idProduct);
1245
1246 return 0;
1247 }
1248 #endif
1249
1250 #endif
1251
1252 static struct mxc_serial_platdata mxc_serial_plat = {
1253 .reg = (struct mxc_uart *)UART1_BASE,
1254 .use_dte = true,
1255 };
1256
1257 U_BOOT_DEVICE(mxc_serial) = {
1258 .name = "serial_mxc",
1259 .platdata = &mxc_serial_plat,
1260 };
"Das U-Boot" Source Tree