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[people/ms/u-boot.git] / board / gateworks / gw_ventana / gw_ventana.c
1 /*
2 * Copyright (C) 2013 Gateworks Corporation
3 *
4 * Author: Tim Harvey <tharvey@gateworks.com>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9 #include <common.h>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/crm_regs.h>
12 #include <asm/arch/iomux.h>
13 #include <asm/arch/mx6-pins.h>
14 #include <asm/arch/mxc_hdmi.h>
15 #include <asm/arch/sys_proto.h>
16 #include <asm/gpio.h>
17 #include <asm/imx-common/boot_mode.h>
18 #include <asm/imx-common/sata.h>
19 #include <asm/imx-common/spi.h>
20 #include <asm/imx-common/video.h>
21 #include <asm/io.h>
22 #include <dm.h>
23 #include <dm/platform_data/serial_mxc.h>
24 #include <i2c.h>
25 #include <fdt_support.h>
26 #include <fsl_esdhc.h>
27 #include <jffs2/load_kernel.h>
28 #include <linux/ctype.h>
29 #include <miiphy.h>
30 #include <mtd_node.h>
31 #include <netdev.h>
32 #include <pci.h>
33 #include <power/pmic.h>
34 #include <power/ltc3676_pmic.h>
35 #include <power/pfuze100_pmic.h>
36 #include <fdt_support.h>
37 #include <jffs2/load_kernel.h>
38 #include <spi_flash.h>
39
40 #include "gsc.h"
41 #include "common.h"
42
43 DECLARE_GLOBAL_DATA_PTR;
44
45
46 /*
47 * EEPROM board info struct populated by read_eeprom so that we only have to
48 * read it once.
49 */
50 struct ventana_board_info ventana_info;
51
52 static int board_type;
53
54 /* MMC */
55 static iomux_v3_cfg_t const usdhc3_pads[] = {
56 IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
57 IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
58 IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
59 IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
60 IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
61 IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
62 /* CD */
63 IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
64 };
65
66 /* ENET */
67 static iomux_v3_cfg_t const enet_pads[] = {
68 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
69 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
70 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
71 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
72 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
73 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
74 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
75 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
76 MUX_PAD_CTRL(ENET_PAD_CTRL)),
77 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
78 MUX_PAD_CTRL(ENET_PAD_CTRL)),
79 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
80 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
81 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
82 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
83 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
84 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
85 MUX_PAD_CTRL(ENET_PAD_CTRL)),
86 /* PHY nRST */
87 IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | DIO_PAD_CFG),
88 };
89
90 /* NAND */
91 static iomux_v3_cfg_t const nfc_pads[] = {
92 IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)),
93 IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)),
94 IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
95 IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
96 IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
97 IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
98 IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
99 IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
100 IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
101 IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
102 IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)),
103 IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
104 IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
105 IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
106 IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
107 };
108
109 #ifdef CONFIG_CMD_NAND
110 static void setup_gpmi_nand(void)
111 {
112 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
113
114 /* config gpmi nand iomux */
115 SETUP_IOMUX_PADS(nfc_pads);
116
117 /* config gpmi and bch clock to 100 MHz */
118 clrsetbits_le32(&mxc_ccm->cs2cdr,
119 MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
120 MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
121 MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
122 MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
123 MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
124 MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
125
126 /* enable gpmi and bch clock gating */
127 setbits_le32(&mxc_ccm->CCGR4,
128 MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
129 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
130 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
131 MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
132 MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
133
134 /* enable apbh clock gating */
135 setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
136 }
137 #endif
138
139 static void setup_iomux_enet(int gpio)
140 {
141 SETUP_IOMUX_PADS(enet_pads);
142
143 /* toggle PHY_RST# */
144 gpio_request(gpio, "phy_rst#");
145 gpio_direction_output(gpio, 0);
146 mdelay(2);
147 gpio_set_value(gpio, 1);
148 }
149
150 #ifdef CONFIG_USB_EHCI_MX6
151 static iomux_v3_cfg_t const usb_pads[] = {
152 IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | DIO_PAD_CFG),
153 IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | DIO_PAD_CFG),
154 /* OTG PWR */
155 IOMUX_PADS(PAD_EIM_D22__GPIO3_IO22 | DIO_PAD_CFG),
156 };
157
158 int board_ehci_hcd_init(int port)
159 {
160 int gpio;
161
162 SETUP_IOMUX_PADS(usb_pads);
163
164 /* Reset USB HUB */
165 switch (board_type) {
166 case GW53xx:
167 case GW552x:
168 gpio = (IMX_GPIO_NR(1, 9));
169 break;
170 case GW54proto:
171 case GW54xx:
172 gpio = (IMX_GPIO_NR(1, 16));
173 break;
174 default:
175 return 0;
176 }
177
178 /* request and toggle hub rst */
179 gpio_request(gpio, "usb_hub_rst#");
180 gpio_direction_output(gpio, 0);
181 mdelay(2);
182 gpio_set_value(gpio, 1);
183
184 return 0;
185 }
186
187 int board_ehci_power(int port, int on)
188 {
189 if (port)
190 return 0;
191 gpio_set_value(GP_USB_OTG_PWR, on);
192 return 0;
193 }
194 #endif /* CONFIG_USB_EHCI_MX6 */
195
196 #ifdef CONFIG_FSL_ESDHC
197 static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR };
198
199 int board_mmc_getcd(struct mmc *mmc)
200 {
201 /* Card Detect */
202 gpio_request(GP_SD3_CD, "sd_cd");
203 gpio_direction_input(GP_SD3_CD);
204 return !gpio_get_value(GP_SD3_CD);
205 }
206
207 int board_mmc_init(bd_t *bis)
208 {
209 /* Only one USDHC controller on Ventana */
210 SETUP_IOMUX_PADS(usdhc3_pads);
211 usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
212 usdhc_cfg.max_bus_width = 4;
213
214 return fsl_esdhc_initialize(bis, &usdhc_cfg);
215 }
216 #endif /* CONFIG_FSL_ESDHC */
217
218 #ifdef CONFIG_MXC_SPI
219 iomux_v3_cfg_t const ecspi1_pads[] = {
220 /* SS1 */
221 IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(SPI_PAD_CTRL)),
222 IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
223 IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
224 IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
225 };
226
227 int board_spi_cs_gpio(unsigned bus, unsigned cs)
228 {
229 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1;
230 }
231
232 static void setup_spi(void)
233 {
234 gpio_request(IMX_GPIO_NR(3, 19), "spi_cs");
235 gpio_direction_output(IMX_GPIO_NR(3, 19), 1);
236 SETUP_IOMUX_PADS(ecspi1_pads);
237 }
238 #endif
239
240 /* configure eth0 PHY board-specific LED behavior */
241 int board_phy_config(struct phy_device *phydev)
242 {
243 unsigned short val;
244
245 /* Marvel 88E1510 */
246 if (phydev->phy_id == 0x1410dd1) {
247 /*
248 * Page 3, Register 16: LED[2:0] Function Control Register
249 * LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
250 * LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
251 */
252 phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
253 val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
254 val &= 0xff00;
255 val |= 0x0017;
256 phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
257 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
258 }
259
260 if (phydev->drv->config)
261 phydev->drv->config(phydev);
262
263 return 0;
264 }
265
266 int board_eth_init(bd_t *bis)
267 {
268 #ifdef CONFIG_FEC_MXC
269 if (board_type != GW551x && board_type != GW552x) {
270 setup_iomux_enet(GP_PHY_RST);
271 cpu_eth_init(bis);
272 }
273 #endif
274
275 #ifdef CONFIG_E1000
276 e1000_initialize(bis);
277 #endif
278
279 #ifdef CONFIG_CI_UDC
280 /* For otg ethernet*/
281 usb_eth_initialize(bis);
282 #endif
283
284 /* default to the first detected enet dev */
285 if (!getenv("ethprime")) {
286 struct eth_device *dev = eth_get_dev_by_index(0);
287 if (dev) {
288 setenv("ethprime", dev->name);
289 printf("set ethprime to %s\n", getenv("ethprime"));
290 }
291 }
292
293 return 0;
294 }
295
296 #if defined(CONFIG_VIDEO_IPUV3)
297
298 static void enable_hdmi(struct display_info_t const *dev)
299 {
300 imx_enable_hdmi_phy();
301 }
302
303 static int detect_i2c(struct display_info_t const *dev)
304 {
305 return i2c_set_bus_num(dev->bus) == 0 &&
306 i2c_probe(dev->addr) == 0;
307 }
308
309 static void enable_lvds(struct display_info_t const *dev)
310 {
311 struct iomuxc *iomux = (struct iomuxc *)
312 IOMUXC_BASE_ADDR;
313
314 /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
315 u32 reg = readl(&iomux->gpr[2]);
316 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
317 writel(reg, &iomux->gpr[2]);
318
319 /* Enable Backlight */
320 gpio_request(IMX_GPIO_NR(1, 18), "bklt_en");
321 SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
322 gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
323 }
324
325 struct display_info_t const displays[] = {{
326 /* HDMI Output */
327 .bus = -1,
328 .addr = 0,
329 .pixfmt = IPU_PIX_FMT_RGB24,
330 .detect = detect_hdmi,
331 .enable = enable_hdmi,
332 .mode = {
333 .name = "HDMI",
334 .refresh = 60,
335 .xres = 1024,
336 .yres = 768,
337 .pixclock = 15385,
338 .left_margin = 220,
339 .right_margin = 40,
340 .upper_margin = 21,
341 .lower_margin = 7,
342 .hsync_len = 60,
343 .vsync_len = 10,
344 .sync = FB_SYNC_EXT,
345 .vmode = FB_VMODE_NONINTERLACED
346 } }, {
347 /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
348 .bus = 2,
349 .addr = 0x4,
350 .pixfmt = IPU_PIX_FMT_LVDS666,
351 .detect = detect_i2c,
352 .enable = enable_lvds,
353 .mode = {
354 .name = "Hannstar-XGA",
355 .refresh = 60,
356 .xres = 1024,
357 .yres = 768,
358 .pixclock = 15385,
359 .left_margin = 220,
360 .right_margin = 40,
361 .upper_margin = 21,
362 .lower_margin = 7,
363 .hsync_len = 60,
364 .vsync_len = 10,
365 .sync = FB_SYNC_EXT,
366 .vmode = FB_VMODE_NONINTERLACED
367 } }, {
368 /* DLC700JMG-T-4 */
369 .bus = 0,
370 .addr = 0,
371 .detect = NULL,
372 .enable = enable_lvds,
373 .pixfmt = IPU_PIX_FMT_LVDS666,
374 .mode = {
375 .name = "DLC700JMGT4",
376 .refresh = 60,
377 .xres = 1024, /* 1024x600active pixels */
378 .yres = 600,
379 .pixclock = 15385, /* 64MHz */
380 .left_margin = 220,
381 .right_margin = 40,
382 .upper_margin = 21,
383 .lower_margin = 7,
384 .hsync_len = 60,
385 .vsync_len = 10,
386 .sync = FB_SYNC_EXT,
387 .vmode = FB_VMODE_NONINTERLACED
388 } }, {
389 /* DLC800FIG-T-3 */
390 .bus = 0,
391 .addr = 0,
392 .detect = NULL,
393 .enable = enable_lvds,
394 .pixfmt = IPU_PIX_FMT_LVDS666,
395 .mode = {
396 .name = "DLC800FIGT3",
397 .refresh = 60,
398 .xres = 1024, /* 1024x768 active pixels */
399 .yres = 768,
400 .pixclock = 15385, /* 64MHz */
401 .left_margin = 220,
402 .right_margin = 40,
403 .upper_margin = 21,
404 .lower_margin = 7,
405 .hsync_len = 60,
406 .vsync_len = 10,
407 .sync = FB_SYNC_EXT,
408 .vmode = FB_VMODE_NONINTERLACED
409 } } };
410 size_t display_count = ARRAY_SIZE(displays);
411
412 static void setup_display(void)
413 {
414 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
415 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
416 int reg;
417
418 enable_ipu_clock();
419 imx_setup_hdmi();
420 /* Turn on LDB0,IPU,IPU DI0 clocks */
421 reg = __raw_readl(&mxc_ccm->CCGR3);
422 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
423 writel(reg, &mxc_ccm->CCGR3);
424
425 /* set LDB0, LDB1 clk select to 011/011 */
426 reg = readl(&mxc_ccm->cs2cdr);
427 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
428 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
429 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
430 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
431 writel(reg, &mxc_ccm->cs2cdr);
432
433 reg = readl(&mxc_ccm->cscmr2);
434 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
435 writel(reg, &mxc_ccm->cscmr2);
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 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
443 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
444 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
445 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
446 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
447 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
448 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
449 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
450 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
451 writel(reg, &iomux->gpr[2]);
452
453 reg = readl(&iomux->gpr[3]);
454 reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
455 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
456 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
457 writel(reg, &iomux->gpr[3]);
458
459 /* Backlight CABEN on LVDS connector */
460 gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
461 SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
462 gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
463 }
464 #endif /* CONFIG_VIDEO_IPUV3 */
465
466 /* setup board specific PMIC */
467 int power_init_board(void)
468 {
469 setup_pmic();
470 return 0;
471 }
472
473 #if defined(CONFIG_CMD_PCI)
474 int imx6_pcie_toggle_reset(void)
475 {
476 if (board_type < GW_UNKNOWN) {
477 uint pin = gpio_cfg[board_type].pcie_rst;
478 gpio_request(pin, "pci_rst#");
479 gpio_direction_output(pin, 0);
480 mdelay(50);
481 gpio_direction_output(pin, 1);
482 }
483 return 0;
484 }
485
486 /*
487 * Most Ventana boards have a PLX PEX860x PCIe switch onboard and use its
488 * GPIO's as PERST# signals for its downstream ports - configure the GPIO's
489 * properly and assert reset for 100ms.
490 */
491 void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev,
492 unsigned short vendor, unsigned short device,
493 unsigned short class)
494 {
495 u32 dw;
496
497 debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__,
498 PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device);
499 if (vendor == PCI_VENDOR_ID_PLX &&
500 (device & 0xfff0) == 0x8600 &&
501 PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) {
502 debug("configuring PLX 860X downstream PERST#\n");
503 pci_hose_read_config_dword(hose, dev, 0x62c, &dw);
504 dw |= 0xaaa8; /* GPIO1-7 outputs */
505 pci_hose_write_config_dword(hose, dev, 0x62c, dw);
506
507 pci_hose_read_config_dword(hose, dev, 0x644, &dw);
508 dw |= 0xfe; /* GPIO1-7 output high */
509 pci_hose_write_config_dword(hose, dev, 0x644, dw);
510
511 mdelay(100);
512 }
513 }
514 #endif /* CONFIG_CMD_PCI */
515
516 #ifdef CONFIG_SERIAL_TAG
517 /*
518 * called when setting up ATAGS before booting kernel
519 * populate serialnum from the following (in order of priority):
520 * serial# env var
521 * eeprom
522 */
523 void get_board_serial(struct tag_serialnr *serialnr)
524 {
525 char *serial = getenv("serial#");
526
527 if (serial) {
528 serialnr->high = 0;
529 serialnr->low = simple_strtoul(serial, NULL, 10);
530 } else if (ventana_info.model[0]) {
531 serialnr->high = 0;
532 serialnr->low = ventana_info.serial;
533 } else {
534 serialnr->high = 0;
535 serialnr->low = 0;
536 }
537 }
538 #endif
539
540 /*
541 * Board Support
542 */
543
544 int board_early_init_f(void)
545 {
546 setup_iomux_uart();
547
548 #if defined(CONFIG_VIDEO_IPUV3)
549 setup_display();
550 #endif
551 return 0;
552 }
553
554 int dram_init(void)
555 {
556 gd->ram_size = imx_ddr_size();
557 return 0;
558 }
559
560 int board_init(void)
561 {
562 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
563
564 clrsetbits_le32(&iomuxc_regs->gpr[1],
565 IOMUXC_GPR1_OTG_ID_MASK,
566 IOMUXC_GPR1_OTG_ID_GPIO1);
567
568 /* address of linux boot parameters */
569 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
570
571 #ifdef CONFIG_CMD_NAND
572 setup_gpmi_nand();
573 #endif
574 #ifdef CONFIG_MXC_SPI
575 setup_spi();
576 #endif
577 setup_ventana_i2c();
578
579 #ifdef CONFIG_CMD_SATA
580 setup_sata();
581 #endif
582 /* read Gateworks EEPROM into global struct (used later) */
583 board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
584
585 setup_iomux_gpio(board_type, &ventana_info);
586
587 return 0;
588 }
589
590 #if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
591 /*
592 * called during late init (after relocation and after board_init())
593 * by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and
594 * EEPROM read.
595 */
596 int checkboard(void)
597 {
598 struct ventana_board_info *info = &ventana_info;
599 unsigned char buf[4];
600 const char *p;
601 int quiet; /* Quiet or minimal output mode */
602
603 quiet = 0;
604 p = getenv("quiet");
605 if (p)
606 quiet = simple_strtol(p, NULL, 10);
607 else
608 setenv("quiet", "0");
609
610 puts("\nGateworks Corporation Copyright 2014\n");
611 if (info->model[0]) {
612 printf("Model: %s\n", info->model);
613 printf("MFGDate: %02x-%02x-%02x%02x\n",
614 info->mfgdate[0], info->mfgdate[1],
615 info->mfgdate[2], info->mfgdate[3]);
616 printf("Serial:%d\n", info->serial);
617 } else {
618 puts("Invalid EEPROM - board will not function fully\n");
619 }
620 if (quiet)
621 return 0;
622
623 /* Display GSC firmware revision/CRC/status */
624 gsc_info(0);
625
626 /* Display RTC */
627 if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) {
628 printf("RTC: %d\n",
629 buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24);
630 }
631
632 return 0;
633 }
634 #endif
635
636 #ifdef CONFIG_CMD_BMODE
637 /*
638 * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
639 * see Table 8-11 and Table 5-9
640 * BOOT_CFG1[7] = 1 (boot from NAND)
641 * BOOT_CFG1[5] = 0 - raw NAND
642 * BOOT_CFG1[4] = 0 - default pad settings
643 * BOOT_CFG1[3:2] = 00 - devices = 1
644 * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
645 * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
646 * BOOT_CFG2[2:1] = 01 - Pages In Block = 64
647 * BOOT_CFG2[0] = 0 - Reset time 12ms
648 */
649 static const struct boot_mode board_boot_modes[] = {
650 /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
651 { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
652 { NULL, 0 },
653 };
654 #endif
655
656 /* late init */
657 int misc_init_r(void)
658 {
659 struct ventana_board_info *info = &ventana_info;
660
661 /* set env vars based on EEPROM data */
662 if (ventana_info.model[0]) {
663 char str[16], fdt[36];
664 char *p;
665 const char *cputype = "";
666 int i;
667
668 /*
669 * FDT name will be prefixed with CPU type. Three versions
670 * will be created each increasingly generic and bootloader
671 * env scripts will try loading each from most specific to
672 * least.
673 */
674 if (is_cpu_type(MXC_CPU_MX6Q) ||
675 is_cpu_type(MXC_CPU_MX6D))
676 cputype = "imx6q";
677 else if (is_cpu_type(MXC_CPU_MX6DL) ||
678 is_cpu_type(MXC_CPU_MX6SOLO))
679 cputype = "imx6dl";
680 setenv("soctype", cputype);
681 if (8 << (ventana_info.nand_flash_size-1) >= 2048)
682 setenv("flash_layout", "large");
683 else
684 setenv("flash_layout", "normal");
685 memset(str, 0, sizeof(str));
686 for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++)
687 str[i] = tolower(info->model[i]);
688 setenv("model", str);
689 if (!getenv("fdt_file")) {
690 sprintf(fdt, "%s-%s.dtb", cputype, str);
691 setenv("fdt_file", fdt);
692 }
693 p = strchr(str, '-');
694 if (p) {
695 *p++ = 0;
696
697 setenv("model_base", str);
698 sprintf(fdt, "%s-%s.dtb", cputype, str);
699 setenv("fdt_file1", fdt);
700 if (board_type != GW551x && board_type != GW552x)
701 str[4] = 'x';
702 str[5] = 'x';
703 str[6] = 0;
704 sprintf(fdt, "%s-%s.dtb", cputype, str);
705 setenv("fdt_file2", fdt);
706 }
707
708 /* initialize env from EEPROM */
709 if (test_bit(EECONFIG_ETH0, info->config) &&
710 !getenv("ethaddr")) {
711 eth_setenv_enetaddr("ethaddr", info->mac0);
712 }
713 if (test_bit(EECONFIG_ETH1, info->config) &&
714 !getenv("eth1addr")) {
715 eth_setenv_enetaddr("eth1addr", info->mac1);
716 }
717
718 /* board serial-number */
719 sprintf(str, "%6d", info->serial);
720 setenv("serial#", str);
721
722 /* memory MB */
723 sprintf(str, "%d", (int) (gd->ram_size >> 20));
724 setenv("mem_mb", str);
725 }
726
727
728 /* setup baseboard specific GPIO based on board and env */
729 setup_board_gpio(board_type, info);
730
731 #ifdef CONFIG_CMD_BMODE
732 add_board_boot_modes(board_boot_modes);
733 #endif
734
735 /* disable boot watchdog */
736 gsc_boot_wd_disable();
737
738 return 0;
739 }
740
741 #ifdef CONFIG_OF_BOARD_SETUP
742
743 static int ft_sethdmiinfmt(void *blob, char *mode)
744 {
745 int off;
746
747 if (!mode)
748 return -EINVAL;
749
750 off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x");
751 if (off < 0)
752 return off;
753
754 if (0 == strcasecmp(mode, "yuv422bt656")) {
755 u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00,
756 0x00, 0x00, 0x00 };
757 mode = "422_ccir";
758 fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
759 fdt_setprop_u32(blob, off, "vidout_trc", 1);
760 fdt_setprop_u32(blob, off, "vidout_blc", 1);
761 fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
762 printf(" set HDMI input mode to %s\n", mode);
763 } else if (0 == strcasecmp(mode, "yuv422smp")) {
764 u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00,
765 0x82, 0x81, 0x00 };
766 mode = "422_smp";
767 fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
768 fdt_setprop_u32(blob, off, "vidout_trc", 0);
769 fdt_setprop_u32(blob, off, "vidout_blc", 0);
770 fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
771 printf(" set HDMI input mode to %s\n", mode);
772 } else {
773 return -EINVAL;
774 }
775
776 return 0;
777 }
778
779 /*
780 * called prior to booting kernel or by 'fdt boardsetup' command
781 *
782 * unless 'fdt_noauto' env var is set we will update the following in the DTB:
783 * - mtd partitions based on mtdparts/mtdids env
784 * - system-serial (board serial num from EEPROM)
785 * - board (full model from EEPROM)
786 * - peripherals removed from DTB if not loaded on board (per EEPROM config)
787 */
788 int ft_board_setup(void *blob, bd_t *bd)
789 {
790 struct ventana_board_info *info = &ventana_info;
791 struct ventana_eeprom_config *cfg;
792 struct node_info nodes[] = {
793 { "sst,w25q256", MTD_DEV_TYPE_NOR, }, /* SPI flash */
794 { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
795 };
796 const char *model = getenv("model");
797 const char *display = getenv("display");
798 int i;
799 char rev = 0;
800
801 /* determine board revision */
802 for (i = sizeof(ventana_info.model) - 1; i > 0; i--) {
803 if (ventana_info.model[i] >= 'A') {
804 rev = ventana_info.model[i];
805 break;
806 }
807 }
808
809 if (getenv("fdt_noauto")) {
810 puts(" Skiping ft_board_setup (fdt_noauto defined)\n");
811 return 0;
812 }
813
814 if (test_bit(EECONFIG_NAND, info->config)) {
815 /* Update partition nodes using info from mtdparts env var */
816 puts(" Updating MTD partitions...\n");
817 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
818 }
819
820 /* Update display timings from display env var */
821 if (display) {
822 if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"),
823 display) >= 0)
824 printf(" Set display timings for %s...\n", display);
825 }
826
827 printf(" Adjusting FDT per EEPROM for %s...\n", model);
828
829 /* board serial number */
830 fdt_setprop(blob, 0, "system-serial", getenv("serial#"),
831 strlen(getenv("serial#")) + 1);
832
833 /* board (model contains model from device-tree) */
834 fdt_setprop(blob, 0, "board", info->model,
835 strlen((const char *)info->model) + 1);
836
837 /* set desired digital video capture format */
838 ft_sethdmiinfmt(blob, getenv("hdmiinfmt"));
839
840 /*
841 * disable serial2 node for GW54xx for compatibility with older
842 * 3.10.x kernel that improperly had this node enabled in the DT
843 */
844 if (board_type == GW54xx) {
845 i = fdt_path_offset(blob,
846 "/soc/aips-bus@02100000/serial@021ec000");
847 if (i)
848 fdt_del_node(blob, i);
849 }
850
851 /*
852 * disable wdog1/wdog2 nodes for GW51xx below revC to work around
853 * errata causing wdog timer to be unreliable.
854 */
855 if (board_type == GW51xx && rev >= 'A' && rev < 'C') {
856 i = fdt_path_offset(blob,
857 "/soc/aips-bus@02000000/wdog@020bc000");
858 if (i)
859 fdt_status_disabled(blob, i);
860 }
861
862 /* GW522x Uses GPIO3_IO23 instead of GPIO1_IO29 */
863 else if (board_type == GW52xx && info->model[4] == '2') {
864 u32 handle = 0;
865 u32 *range = NULL;
866
867 i = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
868 if (i)
869 range = (u32 *)fdt_getprop(blob, i, "reset-gpio",
870 NULL);
871
872 if (range) {
873 i = fdt_path_offset(blob,
874 "/soc/aips-bus@02000000/gpio@020a4000");
875 if (i)
876 handle = fdt_get_phandle(blob, i);
877 if (handle) {
878 range[0] = cpu_to_fdt32(handle);
879 range[1] = cpu_to_fdt32(23);
880 }
881 }
882 }
883
884 /*
885 * isolate CSI0_DATA_EN for GW551x below revB to work around
886 * errata causing non functional digital video in (it is not hooked up)
887 */
888 else if (board_type == GW551x && rev == 'A') {
889 u32 *range = NULL;
890 int len;
891 const u32 *handle = NULL;
892
893 i = fdt_node_offset_by_compatible(blob, -1,
894 "fsl,imx-tda1997x-video");
895 if (i)
896 handle = fdt_getprop(blob, i, "pinctrl-0", NULL);
897 if (handle)
898 i = fdt_node_offset_by_phandle(blob,
899 fdt32_to_cpu(*handle));
900 if (i)
901 range = (u32 *)fdt_getprop(blob, i, "fsl,pins", &len);
902 if (range) {
903 len /= sizeof(u32);
904 for (i = 0; i < len; i += 6) {
905 u32 mux_reg = fdt32_to_cpu(range[i+0]);
906 u32 conf_reg = fdt32_to_cpu(range[i+1]);
907 /* mux PAD_CSI0_DATA_EN to GPIO */
908 if (is_cpu_type(MXC_CPU_MX6Q) &&
909 mux_reg == 0x260 && conf_reg == 0x630)
910 range[i+3] = cpu_to_fdt32(0x5);
911 else if (!is_cpu_type(MXC_CPU_MX6Q) &&
912 mux_reg == 0x08c && conf_reg == 0x3a0)
913 range[i+3] = cpu_to_fdt32(0x5);
914 }
915 fdt_setprop_inplace(blob, i, "fsl,pins", range, len);
916 }
917
918 /* set BT656 video format */
919 ft_sethdmiinfmt(blob, "yuv422bt656");
920 }
921
922 /*
923 * Peripheral Config:
924 * remove nodes by alias path if EEPROM config tells us the
925 * peripheral is not loaded on the board.
926 */
927 if (getenv("fdt_noconfig")) {
928 puts(" Skiping periperhal config (fdt_noconfig defined)\n");
929 return 0;
930 }
931 cfg = econfig;
932 while (cfg->name) {
933 if (!test_bit(cfg->bit, info->config)) {
934 fdt_del_node_and_alias(blob, cfg->dtalias ?
935 cfg->dtalias : cfg->name);
936 }
937 cfg++;
938 }
939
940 return 0;
941 }
942 #endif /* CONFIG_OF_BOARD_SETUP */
943
944 static struct mxc_serial_platdata ventana_mxc_serial_plat = {
945 .reg = (struct mxc_uart *)UART2_BASE,
946 };
947
948 U_BOOT_DEVICE(ventana_serial) = {
949 .name = "serial_mxc",
950 .platdata = &ventana_mxc_serial_plat,
951 };
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