]> git.karo-electronics.de Git - karo-tx-uboot.git/blob - board/freescale/mx6qsabreauto/mx6qsabreauto.c
943a4bd5d5742099343832e6d521a1d3d5e8eab4
[karo-tx-uboot.git] / 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 <power/pfuze100_pmic.h>
33 #include "../common/pfuze.h"
34
35 DECLARE_GLOBAL_DATA_PTR;
36
37 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
38         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
39         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
40
41 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
42         PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
43         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
44
45 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
46         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
47
48 #define I2C_PAD_CTRL    (PAD_CTL_PUS_100K_UP |                  \
49         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
50         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
51
52 #define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
53 #define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
54                         PAD_CTL_SRE_FAST)
55 #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
56
57 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
58
59 #define WEIM_NOR_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |          \
60         PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
61         PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST)
62
63 #define I2C_PMIC        1
64
65 int dram_init(void)
66 {
67         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
68
69         return 0;
70 }
71
72 static iomux_v3_cfg_t const uart4_pads[] = {
73         MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
74         MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
75 };
76
77 static iomux_v3_cfg_t const enet_pads[] = {
78         MX6_PAD_KEY_COL1__ENET_MDIO             | MUX_PAD_CTRL(ENET_PAD_CTRL),
79         MX6_PAD_KEY_COL2__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
80         MX6_PAD_RGMII_TXC__RGMII_TXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
81         MX6_PAD_RGMII_TD0__RGMII_TD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
82         MX6_PAD_RGMII_TD1__RGMII_TD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
83         MX6_PAD_RGMII_TD2__RGMII_TD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
84         MX6_PAD_RGMII_TD3__RGMII_TD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
85         MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
86         MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
87         MX6_PAD_RGMII_RXC__RGMII_RXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
88         MX6_PAD_RGMII_RD0__RGMII_RD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
89         MX6_PAD_RGMII_RD1__RGMII_RD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
90         MX6_PAD_RGMII_RD2__RGMII_RD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
91         MX6_PAD_RGMII_RD3__RGMII_RD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
92         MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
93 };
94
95 /* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */
96 static struct i2c_pads_info i2c_pad_info1 = {
97         .scl = {
98                 .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
99                 .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
100                 .gp = IMX_GPIO_NR(2, 30)
101         },
102         .sda = {
103                 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
104                 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC,
105                 .gp = IMX_GPIO_NR(4, 13)
106         }
107 };
108
109 #ifndef CONFIG_SYS_FLASH_CFI
110 /*
111  * I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor,
112  * Compass Sensor, Accelerometer, Res Touch
113  */
114 static struct i2c_pads_info i2c_pad_info2 = {
115         .scl = {
116                 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC,
117                 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC,
118                 .gp = IMX_GPIO_NR(1, 3)
119         },
120         .sda = {
121                 .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
122                 .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
123                 .gp = IMX_GPIO_NR(3, 18)
124         }
125 };
126 #endif
127
128 static iomux_v3_cfg_t const i2c3_pads[] = {
129         MX6_PAD_EIM_A24__GPIO5_IO04             | MUX_PAD_CTRL(NO_PAD_CTRL),
130 };
131
132 static iomux_v3_cfg_t const port_exp[] = {
133         MX6_PAD_SD2_DAT0__GPIO1_IO15            | MUX_PAD_CTRL(NO_PAD_CTRL),
134 };
135
136 /*Define for building port exp gpio, pin starts from 0*/
137 #define PORTEXP_IO_NR(chip, pin) \
138         ((chip << 5) + pin)
139
140 /*Get the chip addr from a ioexp gpio*/
141 #define PORTEXP_IO_TO_CHIP(gpio_nr) \
142         (gpio_nr >> 5)
143
144 /*Get the pin number from a ioexp gpio*/
145 #define PORTEXP_IO_TO_PIN(gpio_nr) \
146         (gpio_nr & 0x1f)
147
148 static int port_exp_direction_output(unsigned gpio, int value)
149 {
150         int ret;
151
152         i2c_set_bus_num(2);
153         ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio));
154         if (ret)
155                 return ret;
156
157         ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio),
158                 (1 << PORTEXP_IO_TO_PIN(gpio)),
159                 (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio)));
160
161         if (ret)
162                 return ret;
163
164         ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio),
165                 (1 << PORTEXP_IO_TO_PIN(gpio)),
166                 (value << PORTEXP_IO_TO_PIN(gpio)));
167
168         if (ret)
169                 return ret;
170
171         return 0;
172 }
173
174 static iomux_v3_cfg_t const eimnor_pads[] = {
175         MX6_PAD_EIM_D16__EIM_DATA16     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
176         MX6_PAD_EIM_D17__EIM_DATA17     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
177         MX6_PAD_EIM_D18__EIM_DATA18     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
178         MX6_PAD_EIM_D19__EIM_DATA19     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
179         MX6_PAD_EIM_D20__EIM_DATA20     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
180         MX6_PAD_EIM_D21__EIM_DATA21     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
181         MX6_PAD_EIM_D22__EIM_DATA22     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
182         MX6_PAD_EIM_D23__EIM_DATA23     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
183         MX6_PAD_EIM_D24__EIM_DATA24     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
184         MX6_PAD_EIM_D25__EIM_DATA25     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
185         MX6_PAD_EIM_D26__EIM_DATA26     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
186         MX6_PAD_EIM_D27__EIM_DATA27     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
187         MX6_PAD_EIM_D28__EIM_DATA28     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
188         MX6_PAD_EIM_D29__EIM_DATA29     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
189         MX6_PAD_EIM_D30__EIM_DATA30     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
190         MX6_PAD_EIM_D31__EIM_DATA31     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
191         MX6_PAD_EIM_DA0__EIM_AD00       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
192         MX6_PAD_EIM_DA1__EIM_AD01       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
193         MX6_PAD_EIM_DA2__EIM_AD02       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
194         MX6_PAD_EIM_DA3__EIM_AD03       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
195         MX6_PAD_EIM_DA4__EIM_AD04       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
196         MX6_PAD_EIM_DA5__EIM_AD05       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
197         MX6_PAD_EIM_DA6__EIM_AD06       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
198         MX6_PAD_EIM_DA7__EIM_AD07       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
199         MX6_PAD_EIM_DA8__EIM_AD08       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
200         MX6_PAD_EIM_DA9__EIM_AD09       | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
201         MX6_PAD_EIM_DA10__EIM_AD10      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
202         MX6_PAD_EIM_DA11__EIM_AD11      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL) ,
203         MX6_PAD_EIM_DA12__EIM_AD12      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
204         MX6_PAD_EIM_DA13__EIM_AD13      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
205         MX6_PAD_EIM_DA14__EIM_AD14      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
206         MX6_PAD_EIM_DA15__EIM_AD15      | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
207         MX6_PAD_EIM_A16__EIM_ADDR16     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
208         MX6_PAD_EIM_A17__EIM_ADDR17     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
209         MX6_PAD_EIM_A18__EIM_ADDR18     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
210         MX6_PAD_EIM_A19__EIM_ADDR19     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
211         MX6_PAD_EIM_A20__EIM_ADDR20     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
212         MX6_PAD_EIM_A21__EIM_ADDR21     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
213         MX6_PAD_EIM_A22__EIM_ADDR22     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
214         MX6_PAD_EIM_A23__EIM_ADDR23     | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
215         MX6_PAD_EIM_OE__EIM_OE_B        | MUX_PAD_CTRL(NO_PAD_CTRL),
216         MX6_PAD_EIM_RW__EIM_RW          | MUX_PAD_CTRL(NO_PAD_CTRL),
217         MX6_PAD_EIM_CS0__EIM_CS0_B      | MUX_PAD_CTRL(NO_PAD_CTRL),
218 };
219
220 static void eimnor_cs_setup(void)
221 {
222         struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
223
224         writel(0x00020181, &weim_regs->cs0gcr1);
225         writel(0x00000001, &weim_regs->cs0gcr2);
226         writel(0x0a020000, &weim_regs->cs0rcr1);
227         writel(0x0000c000, &weim_regs->cs0rcr2);
228         writel(0x0804a240, &weim_regs->cs0wcr1);
229         writel(0x00000120, &weim_regs->wcr);
230
231         set_chipselect_size(CS0_128);
232 }
233
234 static void setup_iomux_eimnor(void)
235 {
236         imx_iomux_v3_setup_multiple_pads(eimnor_pads, ARRAY_SIZE(eimnor_pads));
237
238         gpio_direction_output(IMX_GPIO_NR(5, 4), 0);
239
240         eimnor_cs_setup();
241 }
242
243 static void setup_iomux_enet(void)
244 {
245         imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
246 }
247
248 static iomux_v3_cfg_t const usdhc3_pads[] = {
249         MX6_PAD_SD3_CLK__SD3_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
250         MX6_PAD_SD3_CMD__SD3_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
251         MX6_PAD_SD3_DAT0__SD3_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
252         MX6_PAD_SD3_DAT1__SD3_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
253         MX6_PAD_SD3_DAT2__SD3_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
254         MX6_PAD_SD3_DAT3__SD3_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
255         MX6_PAD_SD3_DAT4__SD3_DATA4     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
256         MX6_PAD_SD3_DAT5__SD3_DATA5     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
257         MX6_PAD_SD3_DAT6__SD3_DATA6     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
258         MX6_PAD_SD3_DAT7__SD3_DATA7     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
259         MX6_PAD_GPIO_18__SD3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
260         MX6_PAD_NANDF_CS2__GPIO6_IO15   | MUX_PAD_CTRL(NO_PAD_CTRL),
261 };
262
263 static void setup_iomux_uart(void)
264 {
265         imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
266 }
267
268 #ifdef CONFIG_FSL_ESDHC
269 static struct fsl_esdhc_cfg usdhc_cfg[1] = {
270         {USDHC3_BASE_ADDR},
271 };
272
273 int board_mmc_getcd(struct mmc *mmc)
274 {
275         gpio_direction_input(IMX_GPIO_NR(6, 15));
276         return !gpio_get_value(IMX_GPIO_NR(6, 15));
277 }
278
279 int board_mmc_init(bd_t *bis)
280 {
281         imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
282
283         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
284         return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
285 }
286 #endif
287
288 #ifdef CONFIG_NAND_MXS
289 static iomux_v3_cfg_t gpmi_pads[] = {
290         MX6_PAD_NANDF_CLE__NAND_CLE             | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
291         MX6_PAD_NANDF_ALE__NAND_ALE             | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
292         MX6_PAD_NANDF_WP_B__NAND_WP_B   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
293         MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0),
294         MX6_PAD_NANDF_CS0__NAND_CE0_B   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
295         MX6_PAD_SD4_CMD__NAND_RE_B              | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
296         MX6_PAD_SD4_CLK__NAND_WE_B              | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
297         MX6_PAD_NANDF_D0__NAND_DATA00   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
298         MX6_PAD_NANDF_D1__NAND_DATA01   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
299         MX6_PAD_NANDF_D2__NAND_DATA02   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
300         MX6_PAD_NANDF_D3__NAND_DATA03   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
301         MX6_PAD_NANDF_D4__NAND_DATA04   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
302         MX6_PAD_NANDF_D5__NAND_DATA05   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
303         MX6_PAD_NANDF_D6__NAND_DATA06   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
304         MX6_PAD_NANDF_D7__NAND_DATA07   | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
305         MX6_PAD_SD4_DAT0__NAND_DQS              | MUX_PAD_CTRL(GPMI_PAD_CTRL1),
306 };
307
308 static void setup_gpmi_nand(void)
309 {
310         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
311
312         /* config gpmi nand iomux */
313         imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
314
315         setup_gpmi_io_clk((MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
316                         MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
317                         MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)));
318
319         /* enable apbh clock gating */
320         setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
321 }
322 #endif
323
324 int mx6_rgmii_rework(struct phy_device *phydev)
325 {
326         unsigned short val;
327
328         /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
329         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
330         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
331         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
332
333         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
334         val &= 0xffe3;
335         val |= 0x18;
336         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
337
338         /* introduce tx clock delay */
339         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
340         val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
341         val |= 0x0100;
342         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
343
344         return 0;
345 }
346
347 int board_phy_config(struct phy_device *phydev)
348 {
349         mx6_rgmii_rework(phydev);
350
351         if (phydev->drv->config)
352                 phydev->drv->config(phydev);
353
354         return 0;
355 }
356
357 int board_eth_init(bd_t *bis)
358 {
359         setup_iomux_enet();
360
361         return cpu_eth_init(bis);
362 }
363
364 #define BOARD_REV_B  0x200
365 #define BOARD_REV_A  0x100
366
367 static int mx6sabre_rev(void)
368 {
369         /*
370          * Get Board ID information from OCOTP_GP1[15:8]
371          * i.MX6Q ARD RevA: 0x01
372          * i.MX6Q ARD RevB: 0x02
373          */
374         struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
375         struct fuse_bank *bank = &ocotp->bank[4];
376         struct fuse_bank4_regs *fuse =
377                         (struct fuse_bank4_regs *)bank->fuse_regs;
378         int reg = readl(&fuse->gp1);
379         int ret;
380
381         switch (reg >> 8 & 0x0F) {
382         case 0x02:
383                 ret = BOARD_REV_B;
384                 break;
385         case 0x01:
386         default:
387                 ret = BOARD_REV_A;
388                 break;
389         }
390
391         return ret;
392 }
393
394 u32 get_board_rev(void)
395 {
396         int rev = mx6sabre_rev();
397
398         return (get_cpu_rev() & ~(0xF << 8)) | rev;
399 }
400
401 #if defined(CONFIG_VIDEO_IPUV3)
402 static void do_enable_hdmi(struct display_info_t const *dev)
403 {
404         imx_enable_hdmi_phy();
405 }
406
407 struct display_info_t const displays[] = {{
408         .bus    = -1,
409         .addr   = 0,
410         .pixfmt = IPU_PIX_FMT_RGB24,
411         .detect = detect_hdmi,
412         .enable = do_enable_hdmi,
413         .mode   = {
414                 .name           = "HDMI",
415                 .refresh        = 60,
416                 .xres           = 1024,
417                 .yres           = 768,
418                 .pixclock       = 15385,
419                 .left_margin    = 220,
420                 .right_margin   = 40,
421                 .upper_margin   = 21,
422                 .lower_margin   = 7,
423                 .hsync_len      = 60,
424                 .vsync_len      = 10,
425                 .sync           = FB_SYNC_EXT,
426                 .vmode          = FB_VMODE_NONINTERLACED,
427 } } };
428 size_t display_count = ARRAY_SIZE(displays);
429
430 static void setup_display(void)
431 {
432         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
433         int reg;
434
435         enable_ipu_clock();
436         imx_setup_hdmi();
437
438         reg = readl(&mxc_ccm->chsccdr);
439         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
440                 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
441         writel(reg, &mxc_ccm->chsccdr);
442 }
443 #endif /* CONFIG_VIDEO_IPUV3 */
444
445 /*
446  * Do not overwrite the console
447  * Use always serial for U-Boot console
448  */
449 int overwrite_console(void)
450 {
451         return 1;
452 }
453
454 int board_early_init_f(void)
455 {
456         setup_iomux_uart();
457 #ifdef CONFIG_VIDEO_IPUV3
458         setup_display();
459 #endif
460
461 #ifdef CONFIG_NAND_MXS
462         setup_gpmi_nand();
463 #endif
464
465         return 0;
466 }
467
468 int board_init(void)
469 {
470         /* address of boot parameters */
471         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
472
473         /* I2C 2 and 3 setup - I2C 3 hw mux with EIM */
474         setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
475         /* I2C 3 Steer */
476         gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
477         imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
478 #ifndef CONFIG_SYS_FLASH_CFI
479         setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
480 #endif
481         gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
482         imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
483
484         setup_iomux_eimnor();
485         return 0;
486 }
487
488 #ifdef CONFIG_MXC_SPI
489 int board_spi_cs_gpio(unsigned bus, unsigned cs)
490 {
491         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
492 }
493 #endif
494
495 int power_init_board(void)
496 {
497         struct pmic *p;
498         unsigned int ret;
499
500         p = pfuze_common_init(I2C_PMIC);
501         if (!p)
502                 return -ENODEV;
503
504         ret = pfuze_mode_init(p, APS_PFM);
505         if (ret < 0)
506                 return ret;
507
508         return 0;
509 }
510
511 #ifdef CONFIG_CMD_BMODE
512 static const struct boot_mode board_boot_modes[] = {
513         /* 4 bit bus width */
514         {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
515         {NULL,   0},
516 };
517 #endif
518
519 int board_late_init(void)
520 {
521 #ifdef CONFIG_CMD_BMODE
522         add_board_boot_modes(board_boot_modes);
523 #endif
524
525 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
526         setenv("board_name", "SABREAUTO");
527
528         if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
529                 setenv("board_rev", "MX6Q");
530         else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
531                 setenv("board_rev", "MX6DL");
532 #endif
533
534         return 0;
535 }
536
537 int checkboard(void)
538 {
539         int rev = mx6sabre_rev();
540         char *revname;
541
542         switch (rev) {
543         case BOARD_REV_B:
544                 revname = "B";
545                 break;
546         case BOARD_REV_A:
547         default:
548                 revname = "A";
549                 break;
550         }
551
552         printf("Board: MX6Q-Sabreauto rev%s\n", revname);
553
554         return 0;
555 }
556
557 #ifdef CONFIG_USB_EHCI_MX6
558 #define USB_HOST1_PWR     PORTEXP_IO_NR(0x32, 7)
559 #define USB_OTG_PWR       PORTEXP_IO_NR(0x34, 1)
560
561 iomux_v3_cfg_t const usb_otg_pads[] = {
562         MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
563 };
564
565 int board_ehci_hcd_init(int port)
566 {
567         switch (port) {
568         case 0:
569                 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
570                         ARRAY_SIZE(usb_otg_pads));
571
572                 /*
573                   * Set daisy chain for otg_pin_id on 6q.
574                  *  For 6dl, this bit is reserved.
575                  */
576                 imx_iomux_set_gpr_register(1, 13, 1, 0);
577                 break;
578         case 1:
579                 break;
580         default:
581                 printf("MXC USB port %d not yet supported\n", port);
582                 return -EINVAL;
583         }
584         return 0;
585 }
586
587 int board_ehci_power(int port, int on)
588 {
589         switch (port) {
590         case 0:
591                 if (on)
592                         port_exp_direction_output(USB_OTG_PWR, 1);
593                 else
594                         port_exp_direction_output(USB_OTG_PWR, 0);
595                 break;
596         case 1:
597                 if (on)
598                         port_exp_direction_output(USB_HOST1_PWR, 1);
599                 else
600                         port_exp_direction_output(USB_HOST1_PWR, 0);
601                 break;
602         default:
603                 printf("MXC USB port %d not yet supported\n", port);
604                 return -EINVAL;
605         }
606
607         return 0;
608 }
609 #endif