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05d492a3
SM		 1/*
2 * Copyright (C) 2014 Soeren Moch <[email protected]>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <asm/arch/clock.h>
8#include <asm/arch/imx-regs.h>
9#include <asm/arch/iomux.h>
10#include <asm/arch/mx6-pins.h>
1221ce45 11#include <linux/errno.h>
05d492a3
SM		 12#include <asm/gpio.h>
13#include <asm/imx-common/mxc_i2c.h>
14#include <asm/imx-common/iomux-v3.h>
15#include <asm/imx-common/sata.h>
16#include <asm/imx-common/boot_mode.h>
17#include <asm/imx-common/video.h>
18#include <mmc.h>
19#include <fsl_esdhc.h>
20#include <miiphy.h>
21#include <netdev.h>
22#include <asm/arch/mxc_hdmi.h>
23#include <asm/arch/crm_regs.h>
24#include <asm/io.h>
25#include <asm/arch/sys_proto.h>
26#include <i2c.h>
27DECLARE_GLOBAL_DATA_PTR;
28
29#define WEAK_PULLUP (PAD_CTL_PUS_47K_UP | \
30 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
31 PAD_CTL_SRE_SLOW)
32
33#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
34 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
35 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
36
37#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
38 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
39 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
40
41#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
42 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
43
44#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
45 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
46 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
47
48#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
49
50#ifdef CONFIG_SYS_I2C
51/* I2C1, SGTL5000 */
52static struct i2c_pads_info i2c_pad_info0 = {
53 .scl = {
54 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
55 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
56 .gp = IMX_GPIO_NR(5, 27)
57 },
58 .sda = {
59 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
60 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
61 .gp = IMX_GPIO_NR(5, 26)
62 }
63};
64
65/* I2C2 HDMI */
66static struct i2c_pads_info i2c_pad_info1 = {
67 .scl = {
68 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
69 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
70 .gp = IMX_GPIO_NR(4, 12)
71 },
72 .sda = {
73 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
74 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
75 .gp = IMX_GPIO_NR(4, 13)
76 }
77};
78
79/* I2C3, CON11, DS1307, PCIe_SMB */
80static struct i2c_pads_info i2c_pad_info2 = {
81 .scl = {
82 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
83 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
84 .gp = IMX_GPIO_NR(1, 3)
85 },
86 .sda = {
87 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
88 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
89 .gp = IMX_GPIO_NR(1, 6)
90 }
91};
92#endif /* CONFIG_SYS_I2C */
93
94static iomux_v3_cfg_t const uart1_pads[] = {
95 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
96 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
97};
98
99static iomux_v3_cfg_t const uart2_pads[] = {
100 MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
101 MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
102};
103
104static iomux_v3_cfg_t const enet_pads[] = {
105 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
106 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
107 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
108 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
109 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
110 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
111 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
112 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
113 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
114 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
115 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
116 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
117 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
118 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
119 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
120 /* AR8035 PHY Reset */
121 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
122};
123
124static iomux_v3_cfg_t const pcie_pads[] = {
125 /* W_DISABLE# */
126 MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP),
127 /* PERST# */
128 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
129};
130
131int dram_init(void)
132{
133 gd->ram_size = 2048ul * 1024 * 1024;
134 return 0;
135}
136
137static void setup_iomux_enet(void)
138{
139 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
140
141 /* Reset AR8035 PHY */
142 gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
143 udelay(500);
144 gpio_set_value(IMX_GPIO_NR(1, 25), 1);
145}
146
147static void setup_pcie(void)
148{
149 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
150}
151
152static void setup_iomux_uart(void)
153{
154 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
155 imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
156}
157
158#ifdef CONFIG_FSL_ESDHC
159static iomux_v3_cfg_t const usdhc2_pads[] = {
160 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
161 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
162 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
163 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
164 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
165 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
166 MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
167};
168
169static iomux_v3_cfg_t const usdhc3_pads[] = {
170 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
171 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
172 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
173 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
174 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
175 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
176 MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
177};
178
179static iomux_v3_cfg_t const usdhc4_pads[] = {
180 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
181 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
182 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
183 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
184 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
185 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
186 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
187 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
188 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
189 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
190};
191
192static struct fsl_esdhc_cfg usdhc_cfg[3] = {
193 {USDHC2_BASE_ADDR},
194 {USDHC3_BASE_ADDR},
195 {USDHC4_BASE_ADDR},
196};
197
198#define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2)
199#define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0)
200
201int board_mmc_getcd(struct mmc *mmc)
202{
203 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
204 int ret = 0;
205
206 switch (cfg->esdhc_base) {
207 case USDHC2_BASE_ADDR:
208 ret = !gpio_get_value(USDHC2_CD_GPIO);
209 break;
210 case USDHC3_BASE_ADDR:
211 ret = !gpio_get_value(USDHC3_CD_GPIO);
212 break;
213 case USDHC4_BASE_ADDR:
214 ret = 1; /* eMMC/uSDHC4 is always present */
215 break;
216 }
217 return ret;
218}
219
220int board_mmc_init(bd_t *bis)
221{
05d492a3 222 /*
a187559e 223 * (U-Boot device node) (Physical Port)
05d492a3
SM		 224 * mmc0 SD2
225 * mmc1 SD3
226 * mmc2 eMMC
227 */
02a32a92 228 int i, ret;
05d492a3
SM		 229 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
230 switch (i) {
231 case 0:
232 imx_iomux_v3_setup_multiple_pads(
233 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
234 gpio_direction_input(USDHC2_CD_GPIO);
235 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
236 break;
237 case 1:
238 imx_iomux_v3_setup_multiple_pads(
239 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
240 gpio_direction_input(USDHC3_CD_GPIO);
241 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
242 break;
243 case 2:
244 imx_iomux_v3_setup_multiple_pads(
245 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
246 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
247 break;
248 default:
249 printf("Warning: you configured more USDHC controllers"
250 "(%d) then supported by the board (%d)\n",
251 i + 1, CONFIG_SYS_FSL_USDHC_NUM);
02a32a92 252 return -EINVAL;
05d492a3 253 }
02a32a92
SM		 254 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
255 if (ret)
256 return ret;
05d492a3 257 }
02a32a92 258 return 0;
05d492a3 259}
a6684360
SM		 260
261/* set environment device to boot device when booting from SD */
262int board_mmc_get_env_dev(int devno)
263{
264 return devno - 1;
265}
266
267int board_mmc_get_env_part(int devno)
268{
269 return (devno == 3) ? 1 : 0; /* part 0 for SD2 / SD3, part 1 for eMMC */
270}
05d492a3
SM		 271#endif /* CONFIG_FSL_ESDHC */
272
273#ifdef CONFIG_VIDEO_IPUV3
274static void do_enable_hdmi(struct display_info_t const *dev)
275{
276 imx_enable_hdmi_phy();
277}
278
279struct display_info_t const displays[] = {{
280 .bus = -1,
281 .addr = 0,
282 .pixfmt = IPU_PIX_FMT_RGB24,
283 .detect = detect_hdmi,
284 .enable = do_enable_hdmi,
285 .mode = {
286 .name = "HDMI",
287 /* 1024x768@60Hz (VESA)*/
288 .refresh = 60,
289 .xres = 1024,
290 .yres = 768,
291 .pixclock = 15384,
292 .left_margin = 160,
293 .right_margin = 24,
294 .upper_margin = 29,
295 .lower_margin = 3,
296 .hsync_len = 136,
297 .vsync_len = 6,
298 .sync = FB_SYNC_EXT,
299 .vmode = FB_VMODE_NONINTERLACED
300} } };
301size_t display_count = ARRAY_SIZE(displays);
302
303static void setup_display(void)
304{
305 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
306 int reg;
307 s32 timeout = 100000;
308
309 enable_ipu_clock();
310 imx_setup_hdmi();
311
312 /* set video pll to 455MHz (24MHz * (37+11/12) / 2) */
313 reg = readl(&ccm->analog_pll_video);
314 reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN;
315 writel(reg, &ccm->analog_pll_video);
316
317 reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
318 reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(37);
319 reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
320 reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1);
321 writel(reg, &ccm->analog_pll_video);
322
323 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
324 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
325
326 reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
327 writel(reg, &ccm->analog_pll_video);
328
329 while (timeout--)
330 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
331 break;
332 if (timeout < 0)
333 printf("Warning: video pll lock timeout!\n");
334
335 reg = readl(&ccm->analog_pll_video);
336 reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
337 reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
338 writel(reg, &ccm->analog_pll_video);
339
5df3d19b
SM		 340 /* gate ipu1_di0_clk */
341 reg = readl(&ccm->CCGR3);
342 reg &= ~MXC_CCM_CCGR3_LDB_DI0_MASK;
343 writel(reg, &ccm->CCGR3);
05d492a3 344
5df3d19b 345 /* select video_pll clock / 7 for ipu1_di0_clk -> 65MHz pixclock */
05d492a3 346 reg = readl(&ccm->chsccdr);
5df3d19b
SM		 347 reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK |
348 MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK |
349 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK);
350 reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET) |
351 (6 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET) |
352 (0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
05d492a3 353 writel(reg, &ccm->chsccdr);
5df3d19b
SM		 354
355 /* enable ipu1_di0_clk */
356 reg = readl(&ccm->CCGR3);
357 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
358 writel(reg, &ccm->CCGR3);
05d492a3
SM		 359}
360#endif /* CONFIG_VIDEO_IPUV3 */
361
362int board_eth_init(bd_t *bis)
363{
364 setup_iomux_enet();
365 setup_pcie();
366 return cpu_eth_init(bis);
367}
368
369int board_early_init_f(void)
370{
371 setup_iomux_uart();
372 return 0;
373}
374
375#ifdef CONFIG_CMD_BMODE
376static const struct boot_mode board_boot_modes[] = {
377 /* 4 bit bus width */
378 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
379 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
380 /* 8 bit bus width */
b112b007 381 {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)},
05d492a3
SM		 382 {NULL, 0},
383};
384#endif
385
d896276d
SM		 386#ifdef CONFIG_USB_EHCI_MX6
387static iomux_v3_cfg_t const usb_otg_pads[] = {
388 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
389};
390#endif
391
05d492a3
SM		 392int board_init(void)
393{
394 /* address of boot parameters */
395 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
396
397#ifdef CONFIG_VIDEO_IPUV3
398 setup_display();
399#endif
400#ifdef CONFIG_SYS_I2C
401 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0);
402 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
403 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
404#endif
405#ifdef CONFIG_DWC_AHSATA
406 setup_sata();
407#endif
408#ifdef CONFIG_CMD_BMODE
409 add_board_boot_modes(board_boot_modes);
d896276d
SM		 410#endif
411#ifdef CONFIG_USB_EHCI_MX6
412 imx_iomux_v3_setup_multiple_pads(
413 usb_otg_pads, ARRAY_SIZE(usb_otg_pads));
05d492a3
SM		 414#endif
415 return 0;
416}
417
418int checkboard(void)
419{
420 puts("Board: TBS2910 Matrix ARM mini PC\n");
421 return 0;
422}
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