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[u-boot] / board / freescale / mx6qsabreauto / mx6qsabreauto.c
1 /*
2  * Copyright (C) 2012 Freescale Semiconductor, Inc.
3  *
4  * Author: Fabio Estevam <fabio.estevam@freescale.com>
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #include <common.h>
10 #include <asm/io.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/iomux.h>
14 #include <asm/arch/mx6-pins.h>
15 #include <asm/errno.h>
16 #include <asm/gpio.h>
17 #include <asm/imx-common/iomux-v3.h>
18 #include <asm/imx-common/mxc_i2c.h>
19 #include <asm/imx-common/boot_mode.h>
20 #include <asm/imx-common/spi.h>
21 #include <mmc.h>
22 #include <fsl_esdhc.h>
23 #include <miiphy.h>
24 #include <netdev.h>
25 #include <asm/arch/sys_proto.h>
26 #include <i2c.h>
27 #include <asm/arch/mxc_hdmi.h>
28 #include <asm/imx-common/video.h>
29 #include <asm/arch/crm_regs.h>
30 #include <pca953x.h>
31 #include <power/pmic.h>
32 #include "../common/pfuze.h"
33
34 DECLARE_GLOBAL_DATA_PTR;
35
36 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
37         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
38         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
39
40 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
41         PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
42         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
43
44 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
45         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
46
47 #define I2C_PAD_CTRL    (PAD_CTL_PUS_100K_UP |                  \
48         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
49         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
50
51 #define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
52 #define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
53                         PAD_CTL_SRE_FAST)
54 #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
55
56 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
57
58 #define WEIM_NOR_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |          \
59         PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
60         PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST)
61
62 #define I2C_PMIC        1
63
64 int dram_init(void)
65 {
66         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
67
68         return 0;
69 }
70
71 static iomux_v3_cfg_t const uart4_pads[] = {
72         MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
73         MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
74 };
75
76 static iomux_v3_cfg_t const enet_pads[] = {
77         MX6_PAD_KEY_COL1__ENET_MDIO             | MUX_PAD_CTRL(ENET_PAD_CTRL),
78         MX6_PAD_KEY_COL2__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
79         MX6_PAD_RGMII_TXC__RGMII_TXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
80         MX6_PAD_RGMII_TD0__RGMII_TD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
81         MX6_PAD_RGMII_TD1__RGMII_TD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
82         MX6_PAD_RGMII_TD2__RGMII_TD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
83         MX6_PAD_RGMII_TD3__RGMII_TD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
84         MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
85         MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
86         MX6_PAD_RGMII_RXC__RGMII_RXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
87         MX6_PAD_RGMII_RD0__RGMII_RD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
88         MX6_PAD_RGMII_RD1__RGMII_RD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
89         MX6_PAD_RGMII_RD2__RGMII_RD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
90         MX6_PAD_RGMII_RD3__RGMII_RD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
91         MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
92 };
93
94 /* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */
95 static struct i2c_pads_info i2c_pad_info1 = {
96         .scl = {
97                 .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
98                 .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
99                 .gp = IMX_GPIO_NR(2, 30)
100         },
101         .sda = {
102                 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
103                 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC,
104                 .gp = IMX_GPIO_NR(4, 13)
105         }
106 };
107
108 #ifndef CONFIG_SYS_FLASH_CFI
109 /*
110  * I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor,
111  * Compass Sensor, Accelerometer, Res Touch
112  */
113 static struct i2c_pads_info i2c_pad_info2 = {
114         .scl = {
115                 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC,
116                 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC,
117                 .gp = IMX_GPIO_NR(1, 3)
118         },
119         .sda = {
120                 .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
121                 .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
122                 .gp = IMX_GPIO_NR(3, 18)
123         }
124 };
125 #endif
126
127 static iomux_v3_cfg_t const i2c3_pads[] = {
128         MX6_PAD_EIM_A24__GPIO5_IO04             | MUX_PAD_CTRL(NO_PAD_CTRL),
129 };
130
131 static iomux_v3_cfg_t const port_exp[] = {
132         MX6_PAD_SD2_DAT0__GPIO1_IO15            | MUX_PAD_CTRL(NO_PAD_CTRL),
133 };
134
135 /*Define for building port exp gpio, pin starts from 0*/
136 #define PORTEXP_IO_NR(chip, pin) \
137         ((chip << 5) + pin)
138
139 /*Get the chip addr from a ioexp gpio*/
140 #define PORTEXP_IO_TO_CHIP(gpio_nr) \
141         (gpio_nr >> 5)
142
143 /*Get the pin number from a ioexp gpio*/
144 #define PORTEXP_IO_TO_PIN(gpio_nr) \
145         (gpio_nr & 0x1f)
146
147 static int port_exp_direction_output(unsigned gpio, int value)
148 {
149         int ret;
150
151         i2c_set_bus_num(2);
152         ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio));
153         if (ret)
154                 return ret;
155
156         ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio),
157                 (1 << PORTEXP_IO_TO_PIN(gpio)),
158                 (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio)));
159
160         if (ret)
161                 return ret;
162
163         ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio),
164                 (1 << PORTEXP_IO_TO_PIN(gpio)),
165                 (value << PORTEXP_IO_TO_PIN(gpio)));
166
167         if (ret)
168                 return ret;
169
170         return 0;
171 }
172
173 static iomux_v3_cfg_t const eimnor_pads[] = {
174         MX6_PAD_EIM_D16__EIM_DATA16     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
175         MX6_PAD_EIM_D17__EIM_DATA17     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
176         MX6_PAD_EIM_D18__EIM_DATA18     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
177         MX6_PAD_EIM_D19__EIM_DATA19     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
178         MX6_PAD_EIM_D20__EIM_DATA20     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
179         MX6_PAD_EIM_D21__EIM_DATA21     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
180         MX6_PAD_EIM_D22__EIM_DATA22     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
181         MX6_PAD_EIM_D23__EIM_DATA23     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
182         MX6_PAD_EIM_D24__EIM_DATA24     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
183         MX6_PAD_EIM_D25__EIM_DATA25     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
184         MX6_PAD_EIM_D26__EIM_DATA26     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
185         MX6_PAD_EIM_D27__EIM_DATA27     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
186         MX6_PAD_EIM_D28__EIM_DATA28     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
187         MX6_PAD_EIM_D29__EIM_DATA29     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
188         MX6_PAD_EIM_D30__EIM_DATA30     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
189         MX6_PAD_EIM_D31__EIM_DATA31     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
190         MX6_PAD_EIM_DA0__EIM_AD00       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
191         MX6_PAD_EIM_DA1__EIM_AD01       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
192         MX6_PAD_EIM_DA2__EIM_AD02       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
193         MX6_PAD_EIM_DA3__EIM_AD03       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
194         MX6_PAD_EIM_DA4__EIM_AD04       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
195         MX6_PAD_EIM_DA5__EIM_AD05       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
196         MX6_PAD_EIM_DA6__EIM_AD06       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
197         MX6_PAD_EIM_DA7__EIM_AD07       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
198         MX6_PAD_EIM_DA8__EIM_AD08       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
199         MX6_PAD_EIM_DA9__EIM_AD09       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
200         MX6_PAD_EIM_DA10__EIM_AD10      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
201         MX6_PAD_EIM_DA11__EIM_AD11      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL) ,
202         MX6_PAD_EIM_DA12__EIM_AD12      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
203         MX6_PAD_EIM_DA13__EIM_AD13      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
204         MX6_PAD_EIM_DA14__EIM_AD14      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
205         MX6_PAD_EIM_DA15__EIM_AD15      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
206         MX6_PAD_EIM_A16__EIM_ADDR16     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
207         MX6_PAD_EIM_A17__EIM_ADDR17     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
208         MX6_PAD_EIM_A18__EIM_ADDR18     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
209         MX6_PAD_EIM_A19__EIM_ADDR19     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
210         MX6_PAD_EIM_A20__EIM_ADDR20     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
211         MX6_PAD_EIM_A21__EIM_ADDR21     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
212         MX6_PAD_EIM_A22__EIM_ADDR22     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
213         MX6_PAD_EIM_A23__EIM_ADDR23     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
214         MX6_PAD_EIM_OE__EIM_OE_B        | MUX_PAD_CTRL(NO_PAD_CTRL),
215         MX6_PAD_EIM_RW__EIM_RW          | MUX_PAD_CTRL(NO_PAD_CTRL),
216         MX6_PAD_EIM_CS0__EIM_CS0_B      | MUX_PAD_CTRL(NO_PAD_CTRL),
217 };
218
219 static void eimnor_cs_setup(void)
220 {
221         struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
222
223         writel(0x00020181, &weim_regs->cs0gcr1);
224         writel(0x00000001, &weim_regs->cs0gcr2);
225         writel(0x0a020000, &weim_regs->cs0rcr1);
226         writel(0x0000c000, &weim_regs->cs0rcr2);
227         writel(0x0804a240, &weim_regs->cs0wcr1);
228         writel(0x00000120, &weim_regs->wcr);
229
230         set_chipselect_size(CS0_128);
231 }
232
233 static void setup_iomux_eimnor(void)
234 {
235         imx_iomux_v3_setup_multiple_pads(eimnor_pads, ARRAY_SIZE(eimnor_pads));
236
237         gpio_direction_output(IMX_GPIO_NR(5, 4), 0);
238
239         eimnor_cs_setup();
240 }
241
242 static void setup_iomux_enet(void)
243 {
244         imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
245 }
246
247 static iomux_v3_cfg_t const usdhc3_pads[] = {
248         MX6_PAD_SD3_CLK__SD3_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
249         MX6_PAD_SD3_CMD__SD3_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
250         MX6_PAD_SD3_DAT0__SD3_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
251         MX6_PAD_SD3_DAT1__SD3_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
252         MX6_PAD_SD3_DAT2__SD3_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
253         MX6_PAD_SD3_DAT3__SD3_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
254         MX6_PAD_SD3_DAT4__SD3_DATA4     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
255         MX6_PAD_SD3_DAT5__SD3_DATA5     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
256         MX6_PAD_SD3_DAT6__SD3_DATA6     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
257         MX6_PAD_SD3_DAT7__SD3_DATA7     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
258         MX6_PAD_GPIO_18__SD3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
259         MX6_PAD_NANDF_CS2__GPIO6_IO15   | MUX_PAD_CTRL(NO_PAD_CTRL),
260 };
261
262 static void setup_iomux_uart(void)
263 {
264         imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
265 }
266
267 #ifdef CONFIG_FSL_ESDHC
268 static struct fsl_esdhc_cfg usdhc_cfg[1] = {
269         {USDHC3_BASE_ADDR},
270 };
271
272 int board_mmc_getcd(struct mmc *mmc)
273 {
274         gpio_direction_input(IMX_GPIO_NR(6, 15));
275         return !gpio_get_value(IMX_GPIO_NR(6, 15));
276 }
277
278 int board_mmc_init(bd_t *bis)
279 {
280         imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
281
282         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
283         return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
284 }
285 #endif
286
287 #ifdef CONFIG_NAND_MXS
288 static iomux_v3_cfg_t gpmi_pads[] = {
289         MX6_PAD_NANDF_CLE__NAND_CLE             | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
290         MX6_PAD_NANDF_ALE__NAND_ALE             | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
291         MX6_PAD_NANDF_WP_B__NAND_WP_B   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
292         MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0),
293         MX6_PAD_NANDF_CS0__NAND_CE0_B   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
294         MX6_PAD_SD4_CMD__NAND_RE_B              | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
295         MX6_PAD_SD4_CLK__NAND_WE_B              | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
296         MX6_PAD_NANDF_D0__NAND_DATA00   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
297         MX6_PAD_NANDF_D1__NAND_DATA01   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
298         MX6_PAD_NANDF_D2__NAND_DATA02   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
299         MX6_PAD_NANDF_D3__NAND_DATA03   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
300         MX6_PAD_NANDF_D4__NAND_DATA04   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
301         MX6_PAD_NANDF_D5__NAND_DATA05   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
302         MX6_PAD_NANDF_D6__NAND_DATA06   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
303         MX6_PAD_NANDF_D7__NAND_DATA07   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
304         MX6_PAD_SD4_DAT0__NAND_DQS              | MUX_PAD_CTRL(GPMI_PAD_CTRL1),
305 };
306
307 static void setup_gpmi_nand(void)
308 {
309         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
310
311         /* config gpmi nand iomux */
312         imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
313
314         setup_gpmi_io_clk((MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
315                         MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
316                         MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)));
317
318         /* enable apbh clock gating */
319         setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
320 }
321 #endif
322
323 int mx6_rgmii_rework(struct phy_device *phydev)
324 {
325         unsigned short val;
326
327         /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
328         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
329         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
330         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
331
332         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
333         val &= 0xffe3;
334         val |= 0x18;
335         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
336
337         /* introduce tx clock delay */
338         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
339         val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
340         val |= 0x0100;
341         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
342
343         return 0;
344 }
345
346 int board_phy_config(struct phy_device *phydev)
347 {
348         mx6_rgmii_rework(phydev);
349
350         if (phydev->drv->config)
351                 phydev->drv->config(phydev);
352
353         return 0;
354 }
355
356 int board_eth_init(bd_t *bis)
357 {
358         setup_iomux_enet();
359
360         return cpu_eth_init(bis);
361 }
362
363 #define BOARD_REV_B  0x200
364 #define BOARD_REV_A  0x100
365
366 static int mx6sabre_rev(void)
367 {
368         /*
369          * Get Board ID information from OCOTP_GP1[15:8]
370          * i.MX6Q ARD RevA: 0x01
371          * i.MX6Q ARD RevB: 0x02
372          */
373         struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
374         struct fuse_bank *bank = &ocotp->bank[4];
375         struct fuse_bank4_regs *fuse =
376                         (struct fuse_bank4_regs *)bank->fuse_regs;
377         int reg = readl(&fuse->gp1);
378         int ret;
379
380         switch (reg >> 8 & 0x0F) {
381         case 0x02:
382                 ret = BOARD_REV_B;
383                 break;
384         case 0x01:
385         default:
386                 ret = BOARD_REV_A;
387                 break;
388         }
389
390         return ret;
391 }
392
393 u32 get_board_rev(void)
394 {
395         int rev = mx6sabre_rev();
396
397         return (get_cpu_rev() & ~(0xF << 8)) | rev;
398 }
399
400 #if defined(CONFIG_VIDEO_IPUV3)
401 static void do_enable_hdmi(struct display_info_t const *dev)
402 {
403         imx_enable_hdmi_phy();
404 }
405
406 struct display_info_t const displays[] = {{
407         .bus    = -1,
408         .addr   = 0,
409         .pixfmt = IPU_PIX_FMT_RGB24,
410         .detect = detect_hdmi,
411         .enable = do_enable_hdmi,
412         .mode   = {
413                 .name           = "HDMI",
414                 .refresh        = 60,
415                 .xres           = 1024,
416                 .yres           = 768,
417                 .pixclock       = 15385,
418                 .left_margin    = 220,
419                 .right_margin   = 40,
420                 .upper_margin   = 21,
421                 .lower_margin   = 7,
422                 .hsync_len      = 60,
423                 .vsync_len      = 10,
424                 .sync           = FB_SYNC_EXT,
425                 .vmode          = FB_VMODE_NONINTERLACED,
426 } } };
427 size_t display_count = ARRAY_SIZE(displays);
428
429 static void setup_display(void)
430 {
431         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
432         int reg;
433
434         enable_ipu_clock();
435         imx_setup_hdmi();
436
437         reg = readl(&mxc_ccm->chsccdr);
438         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
439                 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
440         writel(reg, &mxc_ccm->chsccdr);
441 }
442 #endif /* CONFIG_VIDEO_IPUV3 */
443
444 /*
445  * Do not overwrite the console
446  * Use always serial for U-Boot console
447  */
448 int overwrite_console(void)
449 {
450         return 1;
451 }
452
453 int board_early_init_f(void)
454 {
455         setup_iomux_uart();
456 #ifdef CONFIG_VIDEO_IPUV3
457         setup_display();
458 #endif
459
460 #ifdef CONFIG_NAND_MXS
461         setup_gpmi_nand();
462 #endif
463
464         return 0;
465 }
466
467 int board_init(void)
468 {
469         /* address of boot parameters */
470         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
471
472         /* I2C 2 and 3 setup - I2C 3 hw mux with EIM */
473         setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
474         /* I2C 3 Steer */
475         gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
476         imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
477 #ifndef CONFIG_SYS_FLASH_CFI
478         setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
479 #endif
480         gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
481         imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
482
483         setup_iomux_eimnor();
484         return 0;
485 }
486
487 #ifdef CONFIG_MXC_SPI
488 int board_spi_cs_gpio(unsigned bus, unsigned cs)
489 {
490         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
491 }
492 #endif
493
494 int power_init_board(void)
495 {
496         struct pmic *p;
497
498         p = pfuze_common_init(I2C_PMIC);
499         if (!p)
500                 return -ENODEV;
501
502         return 0;
503 }
504
505 #ifdef CONFIG_CMD_BMODE
506 static const struct boot_mode board_boot_modes[] = {
507         /* 4 bit bus width */
508         {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
509         {NULL,   0},
510 };
511 #endif
512
513 int board_late_init(void)
514 {
515 #ifdef CONFIG_CMD_BMODE
516         add_board_boot_modes(board_boot_modes);
517 #endif
518
519         return 0;
520 }
521
522 int checkboard(void)
523 {
524         int rev = mx6sabre_rev();
525         char *revname;
526
527         switch (rev) {
528         case BOARD_REV_B:
529                 revname = "B";
530                 break;
531         case BOARD_REV_A:
532         default:
533                 revname = "A";
534                 break;
535         }
536
537         printf("Board: MX6Q-Sabreauto rev%s\n", revname);
538
539         return 0;
540 }
541
542 #ifdef CONFIG_USB_EHCI_MX6
543 #define USB_HOST1_PWR     PORTEXP_IO_NR(0x32, 7)
544 #define USB_OTG_PWR       PORTEXP_IO_NR(0x34, 1)
545
546 iomux_v3_cfg_t const usb_otg_pads[] = {
547         MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
548 };
549
550 int board_ehci_hcd_init(int port)
551 {
552         switch (port) {
553         case 0:
554                 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
555                         ARRAY_SIZE(usb_otg_pads));
556
557                 /*
558                   * Set daisy chain for otg_pin_id on 6q.
559                  *  For 6dl, this bit is reserved.
560                  */
561                 imx_iomux_set_gpr_register(1, 13, 1, 0);
562                 break;
563         case 1:
564                 break;
565         default:
566                 printf("MXC USB port %d not yet supported\n", port);
567                 return -EINVAL;
568         }
569         return 0;
570 }
571
572 int board_ehci_power(int port, int on)
573 {
574         switch (port) {
575         case 0:
576                 if (on)
577                         port_exp_direction_output(USB_OTG_PWR, 1);
578                 else
579                         port_exp_direction_output(USB_OTG_PWR, 0);
580                 break;
581         case 1:
582                 if (on)
583                         port_exp_direction_output(USB_HOST1_PWR, 1);
584                 else
585                         port_exp_direction_output(USB_HOST1_PWR, 0);
586                 break;
587         default:
588                 printf("MXC USB port %d not yet supported\n", port);
589                 return -EINVAL;
590         }
591
592         return 0;
593 }
594 #endif