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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 <asm/arch/clock.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/mx6-pins.h>
13 #include <asm/errno.h>
14 #include <asm/gpio.h>
15 #include <asm/imx-common/mxc_i2c.h>
16 #include <asm/imx-common/iomux-v3.h>
17 #include <asm/imx-common/boot_mode.h>
18 #include <asm/imx-common/video.h>
19 #include <mmc.h>
20 #include <fsl_esdhc.h>
21 #include <miiphy.h>
22 #include <netdev.h>
23 #include <asm/arch/mxc_hdmi.h>
24 #include <asm/arch/crm_regs.h>
25 #include <asm/io.h>
26 #include <asm/arch/sys_proto.h>
27 #include <i2c.h>
28 #include <power/pmic.h>
29 #include <power/pfuze100_pmic.h>
30 #include <asm/arch/mx6-ddr.h>
31
32 DECLARE_GLOBAL_DATA_PTR;
33
34 #define BOOT_CFG        0x020D8004
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 SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
48                       PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
49
50 #define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                    \
51         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
52         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
53
54 #define I2C_PMIC        1
55
56 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
57
58 #define DISP0_PWR_EN    IMX_GPIO_NR(1, 21)
59
60 int dram_init(void)
61 {
62         gd->ram_size = imx_ddr_size();
63         return 0;
64 }
65
66 static iomux_v3_cfg_t const uart1_pads[] = {
67         MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
68         MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
69 };
70
71 static iomux_v3_cfg_t const enet_pads[] = {
72         MX6_PAD_ENET_MDIO__ENET_MDIO            | MUX_PAD_CTRL(ENET_PAD_CTRL),
73         MX6_PAD_ENET_MDC__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
74         MX6_PAD_RGMII_TXC__RGMII_TXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
75         MX6_PAD_RGMII_TD0__RGMII_TD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
76         MX6_PAD_RGMII_TD1__RGMII_TD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
77         MX6_PAD_RGMII_TD2__RGMII_TD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
78         MX6_PAD_RGMII_TD3__RGMII_TD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
79         MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
80         MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
81         MX6_PAD_RGMII_RXC__RGMII_RXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
82         MX6_PAD_RGMII_RD0__RGMII_RD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
83         MX6_PAD_RGMII_RD1__RGMII_RD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
84         MX6_PAD_RGMII_RD2__RGMII_RD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
85         MX6_PAD_RGMII_RD3__RGMII_RD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
86         MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
87         /* AR8031 PHY Reset */
88         MX6_PAD_ENET_CRS_DV__GPIO1_IO25         | MUX_PAD_CTRL(NO_PAD_CTRL),
89 };
90
91 static void setup_iomux_enet(void)
92 {
93         imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
94
95         /* Reset AR8031 PHY */
96         gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
97         udelay(500);
98         gpio_set_value(IMX_GPIO_NR(1, 25), 1);
99 }
100
101 static iomux_v3_cfg_t const usdhc2_pads[] = {
102         MX6_PAD_SD2_CLK__SD2_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
103         MX6_PAD_SD2_CMD__SD2_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
104         MX6_PAD_SD2_DAT0__SD2_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
105         MX6_PAD_SD2_DAT1__SD2_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
106         MX6_PAD_SD2_DAT2__SD2_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
107         MX6_PAD_SD2_DAT3__SD2_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
108         MX6_PAD_NANDF_D4__SD2_DATA4     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
109         MX6_PAD_NANDF_D5__SD2_DATA5     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
110         MX6_PAD_NANDF_D6__SD2_DATA6     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
111         MX6_PAD_NANDF_D7__SD2_DATA7     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
112         MX6_PAD_NANDF_D2__GPIO2_IO02    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
113 };
114
115 static iomux_v3_cfg_t const usdhc3_pads[] = {
116         MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
117         MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
118         MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
119         MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
120         MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
121         MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
122         MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123         MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124         MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125         MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126         MX6_PAD_NANDF_D0__GPIO2_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
127 };
128
129 static iomux_v3_cfg_t const usdhc4_pads[] = {
130         MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
131         MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132         MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133         MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
134         MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
135         MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
136         MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137         MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138         MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139         MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 };
141
142 static iomux_v3_cfg_t const ecspi1_pads[] = {
143         MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
144         MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
145         MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
146         MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
147 };
148
149 static iomux_v3_cfg_t const rgb_pads[] = {
150         MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
151         MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL),
152         MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL),
153         MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL),
154         MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL),
155         MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
156         MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
157         MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
158         MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
159         MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
160         MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
161         MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
162         MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
163         MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL),
164         MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL),
165         MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL),
166         MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL),
167         MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL),
168         MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL),
169         MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL),
170         MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL),
171         MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL),
172         MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL),
173         MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL),
174         MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL),
175         MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL),
176         MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL),
177         MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL),
178         MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL),
179         MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL),
180 };
181
182 static void enable_rgb(struct display_info_t const *dev)
183 {
184         imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
185         gpio_direction_output(DISP0_PWR_EN, 1);
186 }
187
188 static struct i2c_pads_info i2c_pad_info1 = {
189         .scl = {
190                 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
191                 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
192                 .gp = IMX_GPIO_NR(4, 12)
193         },
194         .sda = {
195                 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
196                 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
197                 .gp = IMX_GPIO_NR(4, 13)
198         }
199 };
200
201 static void setup_spi(void)
202 {
203         imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
204 }
205
206 iomux_v3_cfg_t const pcie_pads[] = {
207         MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),        /* POWER */
208         MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),        /* RESET */
209 };
210
211 static void setup_pcie(void)
212 {
213         imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
214 }
215
216 iomux_v3_cfg_t const di0_pads[] = {
217         MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,        /* DISP0_CLK */
218         MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,               /* DISP0_HSYNC */
219         MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,               /* DISP0_VSYNC */
220 };
221
222 static void setup_iomux_uart(void)
223 {
224         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
225 }
226
227 #ifdef CONFIG_FSL_ESDHC
228 struct fsl_esdhc_cfg usdhc_cfg[3] = {
229         {USDHC2_BASE_ADDR},
230         {USDHC3_BASE_ADDR},
231         {USDHC4_BASE_ADDR},
232 };
233
234 #define USDHC2_CD_GPIO  IMX_GPIO_NR(2, 2)
235 #define USDHC3_CD_GPIO  IMX_GPIO_NR(2, 0)
236
237 int board_mmc_getcd(struct mmc *mmc)
238 {
239         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
240         int ret = 0;
241
242         switch (cfg->esdhc_base) {
243         case USDHC2_BASE_ADDR:
244                 ret = !gpio_get_value(USDHC2_CD_GPIO);
245                 break;
246         case USDHC3_BASE_ADDR:
247                 ret = !gpio_get_value(USDHC3_CD_GPIO);
248                 break;
249         case USDHC4_BASE_ADDR:
250                 ret = 1; /* eMMC/uSDHC4 is always present */
251                 break;
252         }
253
254         return ret;
255 }
256
257 int board_mmc_init(bd_t *bis)
258 {
259 #ifndef CONFIG_SPL_BUILD
260         int ret;
261         int i;
262
263         /*
264          * According to the board_mmc_init() the following map is done:
265          * (U-boot device node)    (Physical Port)
266          * mmc0                    SD2
267          * mmc1                    SD3
268          * mmc2                    eMMC
269          */
270         for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
271                 switch (i) {
272                 case 0:
273                         imx_iomux_v3_setup_multiple_pads(
274                                 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
275                         gpio_direction_input(USDHC2_CD_GPIO);
276                         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
277                         break;
278                 case 1:
279                         imx_iomux_v3_setup_multiple_pads(
280                                 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
281                         gpio_direction_input(USDHC3_CD_GPIO);
282                         usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
283                         break;
284                 case 2:
285                         imx_iomux_v3_setup_multiple_pads(
286                                 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
287                         usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
288                         break;
289                 default:
290                         printf("Warning: you configured more USDHC controllers"
291                                "(%d) then supported by the board (%d)\n",
292                                i + 1, CONFIG_SYS_FSL_USDHC_NUM);
293                         return -EINVAL;
294                 }
295
296                 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
297                 if (ret)
298                         return ret;
299         }
300
301         return 0;
302 #else
303         unsigned reg = readl(BOOT_CFG) >> 11;
304         /*
305          * Upon reading BOOT_CFG register the following map is done:
306          * Bit 11 and 12 of BOOT_CFG register can determine the current
307          * mmc port
308          * 0x1                  SD1
309          * 0x2                  SD2
310          * 0x3                  SD4
311          */
312
313         switch (reg & 0x3) {
314         case 0x1:
315                 imx_iomux_v3_setup_multiple_pads(
316                         usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
317                 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
318                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
319                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
320                 break;
321         case 0x2:
322                 imx_iomux_v3_setup_multiple_pads(
323                         usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
324                 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
325                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
326                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
327                 break;
328         case 0x3:
329                 imx_iomux_v3_setup_multiple_pads(
330                         usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
331                 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
332                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
333                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
334                 break;
335         }
336
337         return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
338 #endif
339 }
340 #endif
341
342 int mx6_rgmii_rework(struct phy_device *phydev)
343 {
344         unsigned short val;
345
346         /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
347         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
348         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
349         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
350
351         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
352         val &= 0xffe3;
353         val |= 0x18;
354         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
355
356         /* introduce tx clock delay */
357         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
358         val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
359         val |= 0x0100;
360         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
361
362         return 0;
363 }
364
365 int board_phy_config(struct phy_device *phydev)
366 {
367         mx6_rgmii_rework(phydev);
368
369         if (phydev->drv->config)
370                 phydev->drv->config(phydev);
371
372         return 0;
373 }
374
375 #if defined(CONFIG_VIDEO_IPUV3)
376 static void disable_lvds(struct display_info_t const *dev)
377 {
378         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
379
380         int reg = readl(&iomux->gpr[2]);
381
382         reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
383                  IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
384
385         writel(reg, &iomux->gpr[2]);
386 }
387
388 static void do_enable_hdmi(struct display_info_t const *dev)
389 {
390         disable_lvds(dev);
391         imx_enable_hdmi_phy();
392 }
393
394 static void enable_lvds(struct display_info_t const *dev)
395 {
396         struct iomuxc *iomux = (struct iomuxc *)
397                                 IOMUXC_BASE_ADDR;
398         u32 reg = readl(&iomux->gpr[2]);
399         reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
400                IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT;
401         writel(reg, &iomux->gpr[2]);
402 }
403
404 struct display_info_t const displays[] = {{
405         .bus    = -1,
406         .addr   = 0,
407         .pixfmt = IPU_PIX_FMT_RGB666,
408         .detect = NULL,
409         .enable = enable_lvds,
410         .mode   = {
411                 .name           = "Hannstar-XGA",
412                 .refresh        = 60,
413                 .xres           = 1024,
414                 .yres           = 768,
415                 .pixclock       = 15385,
416                 .left_margin    = 220,
417                 .right_margin   = 40,
418                 .upper_margin   = 21,
419                 .lower_margin   = 7,
420                 .hsync_len      = 60,
421                 .vsync_len      = 10,
422                 .sync           = FB_SYNC_EXT,
423                 .vmode          = FB_VMODE_NONINTERLACED
424 } }, {
425         .bus    = -1,
426         .addr   = 0,
427         .pixfmt = IPU_PIX_FMT_RGB24,
428         .detect = detect_hdmi,
429         .enable = do_enable_hdmi,
430         .mode   = {
431                 .name           = "HDMI",
432                 .refresh        = 60,
433                 .xres           = 1024,
434                 .yres           = 768,
435                 .pixclock       = 15385,
436                 .left_margin    = 220,
437                 .right_margin   = 40,
438                 .upper_margin   = 21,
439                 .lower_margin   = 7,
440                 .hsync_len      = 60,
441                 .vsync_len      = 10,
442                 .sync           = FB_SYNC_EXT,
443                 .vmode          = FB_VMODE_NONINTERLACED
444 } }, {
445         .bus    = 0,
446         .addr   = 0,
447         .pixfmt = IPU_PIX_FMT_RGB24,
448         .detect = NULL,
449         .enable = enable_rgb,
450         .mode   = {
451                 .name           = "SEIKO-WVGA",
452                 .refresh        = 60,
453                 .xres           = 800,
454                 .yres           = 480,
455                 .pixclock       = 29850,
456                 .left_margin    = 89,
457                 .right_margin   = 164,
458                 .upper_margin   = 23,
459                 .lower_margin   = 10,
460                 .hsync_len      = 10,
461                 .vsync_len      = 10,
462                 .sync           = 0,
463                 .vmode          = FB_VMODE_NONINTERLACED
464 } } };
465 size_t display_count = ARRAY_SIZE(displays);
466
467 static void setup_display(void)
468 {
469         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
470         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
471         int reg;
472
473         /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
474         imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));
475
476         enable_ipu_clock();
477         imx_setup_hdmi();
478
479         /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
480         reg = readl(&mxc_ccm->CCGR3);
481         reg |=  MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
482         writel(reg, &mxc_ccm->CCGR3);
483
484         /* set LDB0, LDB1 clk select to 011/011 */
485         reg = readl(&mxc_ccm->cs2cdr);
486         reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
487                  | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
488         reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
489               | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
490         writel(reg, &mxc_ccm->cs2cdr);
491
492         reg = readl(&mxc_ccm->cscmr2);
493         reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
494         writel(reg, &mxc_ccm->cscmr2);
495
496         reg = readl(&mxc_ccm->chsccdr);
497         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
498                 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
499         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
500                 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
501         writel(reg, &mxc_ccm->chsccdr);
502
503         reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
504              | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
505              | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
506              | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
507              | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
508              | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
509              | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
510              | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
511              | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
512         writel(reg, &iomux->gpr[2]);
513
514         reg = readl(&iomux->gpr[3]);
515         reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
516                         | IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
517             | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
518                << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
519         writel(reg, &iomux->gpr[3]);
520 }
521 #endif /* CONFIG_VIDEO_IPUV3 */
522
523 /*
524  * Do not overwrite the console
525  * Use always serial for U-Boot console
526  */
527 int overwrite_console(void)
528 {
529         return 1;
530 }
531
532 int board_eth_init(bd_t *bis)
533 {
534         setup_iomux_enet();
535         setup_pcie();
536
537         return cpu_eth_init(bis);
538 }
539
540 int board_early_init_f(void)
541 {
542         setup_iomux_uart();
543 #if defined(CONFIG_VIDEO_IPUV3)
544         setup_display();
545 #endif
546
547         return 0;
548 }
549
550 int board_init(void)
551 {
552         /* address of boot parameters */
553         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
554
555 #ifdef CONFIG_MXC_SPI
556         setup_spi();
557 #endif
558         setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
559
560         return 0;
561 }
562
563 static int pfuze_init(void)
564 {
565         struct pmic *p;
566         int ret;
567         unsigned int reg;
568
569         ret = power_pfuze100_init(I2C_PMIC);
570         if (ret)
571                 return ret;
572
573         p = pmic_get("PFUZE100");
574         ret = pmic_probe(p);
575         if (ret)
576                 return ret;
577
578         pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
579         printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);
580
581         /* Increase VGEN3 from 2.5 to 2.8V */
582         pmic_reg_read(p, PFUZE100_VGEN3VOL, &reg);
583         reg &= ~0xf;
584         reg |= 0xa;
585         pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
586
587         /* Increase VGEN5 from 2.8 to 3V */
588         pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
589         reg &= ~0xf;
590         reg |= 0xc;
591         pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
592
593         /* Set SW1AB stanby volage to 0.975V */
594         pmic_reg_read(p, PFUZE100_SW1ABSTBY, &reg);
595         reg &= ~0x3f;
596         reg |= 0x1b;
597         pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg);
598
599         /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
600         pmic_reg_read(p, PUZE_100_SW1ABCONF, &reg);
601         reg &= ~0xc0;
602         reg |= 0x40;
603         pmic_reg_write(p, PUZE_100_SW1ABCONF, reg);
604
605         /* Set SW1C standby voltage to 0.975V */
606         pmic_reg_read(p, PFUZE100_SW1CSTBY, &reg);
607         reg &= ~0x3f;
608         reg |= 0x1b;
609         pmic_reg_write(p, PFUZE100_SW1CSTBY, reg);
610
611         /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
612         pmic_reg_read(p, PFUZE100_SW1CCONF, &reg);
613         reg &= ~0xc0;
614         reg |= 0x40;
615         pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
616
617         return 0;
618 }
619
620 #ifdef CONFIG_MXC_SPI
621 int board_spi_cs_gpio(unsigned bus, unsigned cs)
622 {
623         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
624 }
625 #endif
626
627 #ifdef CONFIG_CMD_BMODE
628 static const struct boot_mode board_boot_modes[] = {
629         /* 4 bit bus width */
630         {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
631         {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
632         /* 8 bit bus width */
633         {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
634         {NULL,   0},
635 };
636 #endif
637
638 int board_late_init(void)
639 {
640 #ifdef CONFIG_CMD_BMODE
641         add_board_boot_modes(board_boot_modes);
642 #endif
643         pfuze_init();
644
645         return 0;
646 }
647
648 int checkboard(void)
649 {
650         puts("Board: MX6-SabreSD\n");
651         return 0;
652 }
653
654 #ifdef CONFIG_SPL_BUILD
655 #include <spl.h>
656 #include <libfdt.h>
657
658 const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
659         .dram_sdclk_0 =  0x00020030,
660         .dram_sdclk_1 =  0x00020030,
661         .dram_cas =  0x00020030,
662         .dram_ras =  0x00020030,
663         .dram_reset =  0x00020030,
664         .dram_sdcke0 =  0x00003000,
665         .dram_sdcke1 =  0x00003000,
666         .dram_sdba2 =  0x00000000,
667         .dram_sdodt0 =  0x00003030,
668         .dram_sdodt1 =  0x00003030,
669         .dram_sdqs0 =  0x00000030,
670         .dram_sdqs1 =  0x00000030,
671         .dram_sdqs2 =  0x00000030,
672         .dram_sdqs3 =  0x00000030,
673         .dram_sdqs4 =  0x00000030,
674         .dram_sdqs5 =  0x00000030,
675         .dram_sdqs6 =  0x00000030,
676         .dram_sdqs7 =  0x00000030,
677         .dram_dqm0 =  0x00020030,
678         .dram_dqm1 =  0x00020030,
679         .dram_dqm2 =  0x00020030,
680         .dram_dqm3 =  0x00020030,
681         .dram_dqm4 =  0x00020030,
682         .dram_dqm5 =  0x00020030,
683         .dram_dqm6 =  0x00020030,
684         .dram_dqm7 =  0x00020030,
685 };
686
687 const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
688         .grp_ddr_type =  0x000C0000,
689         .grp_ddrmode_ctl =  0x00020000,
690         .grp_ddrpke =  0x00000000,
691         .grp_addds =  0x00000030,
692         .grp_ctlds =  0x00000030,
693         .grp_ddrmode =  0x00020000,
694         .grp_b0ds =  0x00000030,
695         .grp_b1ds =  0x00000030,
696         .grp_b2ds =  0x00000030,
697         .grp_b3ds =  0x00000030,
698         .grp_b4ds =  0x00000030,
699         .grp_b5ds =  0x00000030,
700         .grp_b6ds =  0x00000030,
701         .grp_b7ds =  0x00000030,
702 };
703
704 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
705         .p0_mpwldectrl0 =  0x001F001F,
706         .p0_mpwldectrl1 =  0x001F001F,
707         .p1_mpwldectrl0 =  0x00440044,
708         .p1_mpwldectrl1 =  0x00440044,
709         .p0_mpdgctrl0 =  0x434B0350,
710         .p0_mpdgctrl1 =  0x034C0359,
711         .p1_mpdgctrl0 =  0x434B0350,
712         .p1_mpdgctrl1 =  0x03650348,
713         .p0_mprddlctl =  0x4436383B,
714         .p1_mprddlctl =  0x39393341,
715         .p0_mpwrdlctl =  0x35373933,
716         .p1_mpwrdlctl =  0x48254A36,
717 };
718
719 static struct mx6_ddr3_cfg mem_ddr = {
720         .mem_speed = 1600,
721         .density = 4,
722         .width = 64,
723         .banks = 8,
724         .rowaddr = 14,
725         .coladdr = 10,
726         .pagesz = 2,
727         .trcd = 1375,
728         .trcmin = 4875,
729         .trasmin = 3500,
730 };
731
732 static void ccgr_init(void)
733 {
734         struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
735
736         writel(0x00C03F3F, &ccm->CCGR0);
737         writel(0x0030FC03, &ccm->CCGR1);
738         writel(0x0FFFC000, &ccm->CCGR2);
739         writel(0x3FF00000, &ccm->CCGR3);
740         writel(0x00FFF300, &ccm->CCGR4);
741         writel(0x0F0000C3, &ccm->CCGR5);
742         writel(0x000003FF, &ccm->CCGR6);
743 }
744
745 static void gpr_init(void)
746 {
747         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
748
749         /* enable AXI cache for VDOA/VPU/IPU */
750         writel(0xF00000CF, &iomux->gpr[4]);
751         /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
752         writel(0x007F007F, &iomux->gpr[6]);
753         writel(0x007F007F, &iomux->gpr[7]);
754 }
755
756 /*
757  * This section requires the differentiation between iMX6 Sabre boards, but
758  * for now, it will configure only for the mx6q variant.
759  */
760 static void spl_dram_init(void)
761 {
762         struct mx6_ddr_sysinfo sysinfo = {
763                 /* width of data bus:0=16,1=32,2=64 */
764                 .dsize = mem_ddr.width/32,
765                 /* config for full 4GB range so that get_mem_size() works */
766                 .cs_density = 32, /* 32Gb per CS */
767                 /* single chip select */
768                 .ncs = 1,
769                 .cs1_mirror = 0,
770                 .rtt_wr = 1 /*DDR3_RTT_60_OHM*/,        /* RTT_Wr = RZQ/4 */
771 #ifdef RTT_NOM_120OHM
772                 .rtt_nom = 2 /*DDR3_RTT_120_OHM*/,      /* RTT_Nom = RZQ/2 */
773 #else
774                 .rtt_nom = 1 /*DDR3_RTT_60_OHM*/,       /* RTT_Nom = RZQ/4 */
775 #endif
776                 .walat = 1,     /* Write additional latency */
777                 .ralat = 5,     /* Read additional latency */
778                 .mif3_mode = 3, /* Command prediction working mode */
779                 .bi_on = 1,     /* Bank interleaving enabled */
780                 .sde_to_rst = 0x10,     /* 14 cycles, 200us (JEDEC default) */
781                 .rst_to_cke = 0x23,     /* 33 cycles, 500us (JEDEC default) */
782         };
783
784         mx6dq_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
785         mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
786 }
787
788 void board_init_f(ulong dummy)
789 {
790         /* setup AIPS and disable watchdog */
791         arch_cpu_init();
792
793         ccgr_init();
794         gpr_init();
795
796         /* iomux and setup of i2c */
797         board_early_init_f();
798
799         /* setup GP timer */
800         timer_init();
801
802         /* UART clocks enabled and gd valid - init serial console */
803         preloader_console_init();
804
805         /* DDR initialization */
806         spl_dram_init();
807
808         /* Clear the BSS. */
809         memset(__bss_start, 0, __bss_end - __bss_start);
810
811         /* load/boot image from boot device */
812         board_init_r(NULL, 0);
813 }
814
815 void reset_cpu(ulong addr)
816 {
817 }
818 #endif