2 * Copyright (C) 2012-2015 Lothar Waßmann <LW@KARO-electronics.de>
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <fdt_support.h>
14 #include <fsl_esdhc.h>
22 #include <asm/arch/mx6-pins.h>
23 #include <asm/arch/clock.h>
24 #include <asm/arch/hab.h>
25 #include <asm/arch/imx-regs.h>
26 #include <asm/arch/crm_regs.h>
27 #include <asm/arch/sys_proto.h>
29 #include "../common/karo.h"
32 #define __data __attribute__((section(".data")))
34 #define TX6_FEC_RST_GPIO IMX_GPIO_NR(7, 6)
35 #define TX6_FEC_PWR_GPIO IMX_GPIO_NR(3, 20)
36 #define TX6_FEC_INT_GPIO IMX_GPIO_NR(7, 1)
37 #define TX6_LED_GPIO IMX_GPIO_NR(2, 20)
39 #define TX6_LCD_PWR_GPIO IMX_GPIO_NR(2, 31)
40 #define TX6_LCD_RST_GPIO IMX_GPIO_NR(3, 29)
41 #define TX6_LCD_BACKLIGHT_GPIO IMX_GPIO_NR(1, 1)
43 #define TX6_RESET_OUT_GPIO IMX_GPIO_NR(7, 12)
44 #define TX6_I2C1_SCL_GPIO IMX_GPIO_NR(3, 21)
45 #define TX6_I2C1_SDA_GPIO IMX_GPIO_NR(3, 28)
47 #ifdef CONFIG_MX6_TEMPERATURE_MIN
48 #define TEMPERATURE_MIN CONFIG_MX6_TEMPERATURE_MIN
50 #define TEMPERATURE_MIN (-40)
52 #ifdef CONFIG_MX6_TEMPERATURE_HOT
53 #define TEMPERATURE_HOT CONFIG_MX6_TEMPERATURE_HOT
55 #define TEMPERATURE_HOT 80
58 DECLARE_GLOBAL_DATA_PTR;
60 #define MUX_CFG_SION IOMUX_PAD(0, 0, IOMUX_CONFIG_SION, 0, 0, 0)
62 char __uboot_img_end[0] __attribute__((section(".__uboot_img_end")));
63 #ifdef CONFIG_SECURE_BOOT
64 char __csf_data[0] __attribute__((section(".__csf_data")));
67 #define TX6_DEFAULT_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_100K_UP | \
71 #define TX6_FEC_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_100K_UP | \
75 #define TX6_GPIO_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP | \
79 #define TX6_I2C_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP | \
85 static const iomux_v3_cfg_t const tx6qdl_pads[] = {
87 MX6_PAD_GPIO_17__GPIO7_IO12 | TX6_DEFAULT_PAD_CTRL,
90 #if CONFIG_MXC_UART_BASE == UART1_BASE
91 MX6_PAD_SD3_DAT7__UART1_TX_DATA | TX6_DEFAULT_PAD_CTRL,
92 MX6_PAD_SD3_DAT6__UART1_RX_DATA | TX6_DEFAULT_PAD_CTRL,
93 MX6_PAD_SD3_DAT1__UART1_RTS_B | TX6_DEFAULT_PAD_CTRL,
94 MX6_PAD_SD3_DAT0__UART1_CTS_B | TX6_DEFAULT_PAD_CTRL,
96 #if CONFIG_MXC_UART_BASE == UART2_BASE
97 MX6_PAD_SD4_DAT4__UART2_RX_DATA | TX6_DEFAULT_PAD_CTRL,
98 MX6_PAD_SD4_DAT7__UART2_TX_DATA | TX6_DEFAULT_PAD_CTRL,
99 MX6_PAD_SD4_DAT5__UART2_RTS_B | TX6_DEFAULT_PAD_CTRL,
100 MX6_PAD_SD4_DAT6__UART2_CTS_B | TX6_DEFAULT_PAD_CTRL,
102 #if CONFIG_MXC_UART_BASE == UART3_BASE
103 MX6_PAD_EIM_D24__UART3_TX_DATA | TX6_DEFAULT_PAD_CTRL,
104 MX6_PAD_EIM_D25__UART3_RX_DATA | TX6_DEFAULT_PAD_CTRL,
105 MX6_PAD_SD3_RST__UART3_RTS_B | TX6_DEFAULT_PAD_CTRL,
106 MX6_PAD_SD3_DAT3__UART3_CTS_B | TX6_DEFAULT_PAD_CTRL,
109 MX6_PAD_EIM_D28__I2C1_SDA | TX6_DEFAULT_PAD_CTRL,
110 MX6_PAD_EIM_D21__I2C1_SCL | TX6_DEFAULT_PAD_CTRL,
112 /* FEC PHY GPIO functions */
113 MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_CFG_SION |
114 TX6_DEFAULT_PAD_CTRL, /* PHY POWER */
115 MX6_PAD_SD3_DAT2__GPIO7_IO06 | MUX_CFG_SION |
116 TX6_DEFAULT_PAD_CTRL, /* PHY RESET */
117 MX6_PAD_SD3_DAT4__GPIO7_IO01 | TX6_DEFAULT_PAD_CTRL, /* PHY INT */
120 static const iomux_v3_cfg_t const tx6qdl_fec_pads[] = {
122 MX6_PAD_ENET_MDC__ENET_MDC | TX6_FEC_PAD_CTRL,
123 MX6_PAD_ENET_MDIO__ENET_MDIO | TX6_FEC_PAD_CTRL,
124 MX6_PAD_GPIO_16__ENET_REF_CLK | TX6_FEC_PAD_CTRL,
125 MX6_PAD_ENET_RX_ER__ENET_RX_ER | TX6_FEC_PAD_CTRL,
126 MX6_PAD_ENET_CRS_DV__ENET_RX_EN | TX6_FEC_PAD_CTRL,
127 MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | TX6_FEC_PAD_CTRL,
128 MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | TX6_FEC_PAD_CTRL,
129 MX6_PAD_ENET_TX_EN__ENET_TX_EN | TX6_FEC_PAD_CTRL,
130 MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | TX6_FEC_PAD_CTRL,
131 MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | TX6_FEC_PAD_CTRL,
134 static const iomux_v3_cfg_t const tx6_i2c_gpio_pads[] = {
136 MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_CFG_SION |
138 MX6_PAD_EIM_D21__GPIO3_IO21 | MUX_CFG_SION |
142 static const iomux_v3_cfg_t const tx6_i2c_pads[] = {
144 MX6_PAD_EIM_D28__I2C1_SDA | TX6_I2C_PAD_CTRL,
145 MX6_PAD_EIM_D21__I2C1_SCL | TX6_I2C_PAD_CTRL,
148 static const struct gpio const tx6qdl_gpios[] = {
149 /* These two entries are used to forcefully reinitialize the I2C bus */
150 { TX6_I2C1_SCL_GPIO, GPIOFLAG_INPUT, "I2C1 SCL", },
151 { TX6_I2C1_SDA_GPIO, GPIOFLAG_INPUT, "I2C1 SDA", },
153 { TX6_RESET_OUT_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "#RESET_OUT", },
154 { TX6_FEC_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY PWR", },
155 { TX6_FEC_RST_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY RESET", },
156 { TX6_FEC_INT_GPIO, GPIOFLAG_INPUT, "FEC PHY INT", },
159 static int pmic_addr __data;
161 #if defined(TX6_I2C1_SCL_GPIO) && defined(TX6_I2C1_SDA_GPIO)
162 #define SCL_BANK (TX6_I2C1_SCL_GPIO / 32)
163 #define SDA_BANK (TX6_I2C1_SDA_GPIO / 32)
164 #define SCL_BIT (1 << (TX6_I2C1_SCL_GPIO % 32))
165 #define SDA_BIT (1 << (TX6_I2C1_SDA_GPIO % 32))
167 static void * const gpio_ports[] = {
168 (void *)GPIO1_BASE_ADDR,
169 (void *)GPIO2_BASE_ADDR,
170 (void *)GPIO3_BASE_ADDR,
171 (void *)GPIO4_BASE_ADDR,
172 (void *)GPIO5_BASE_ADDR,
173 (void *)GPIO6_BASE_ADDR,
174 (void *)GPIO7_BASE_ADDR,
177 static void tx6_i2c_recover(void)
181 struct gpio_regs *scl_regs = gpio_ports[SCL_BANK];
182 struct gpio_regs *sda_regs = gpio_ports[SDA_BANK];
184 if ((readl(&scl_regs->gpio_psr) & SCL_BIT) &&
185 (readl(&sda_regs->gpio_psr) & SDA_BIT))
188 debug("Clearing I2C bus\n");
189 if (!(readl(&scl_regs->gpio_psr) & SCL_BIT)) {
190 printf("I2C SCL stuck LOW\n");
193 setbits_le32(&scl_regs->gpio_dr, SCL_BIT);
194 setbits_le32(&scl_regs->gpio_dir, SCL_BIT);
196 imx_iomux_v3_setup_multiple_pads(tx6_i2c_gpio_pads,
197 ARRAY_SIZE(tx6_i2c_gpio_pads));
199 if (!(readl(&sda_regs->gpio_psr) & SDA_BIT)) {
200 printf("I2C SDA stuck LOW\n");
202 clrbits_le32(&sda_regs->gpio_dir, SDA_BIT);
203 setbits_le32(&scl_regs->gpio_dr, SCL_BIT);
204 setbits_le32(&scl_regs->gpio_dir, SCL_BIT);
207 imx_iomux_v3_setup_multiple_pads(tx6_i2c_gpio_pads,
208 ARRAY_SIZE(tx6_i2c_gpio_pads));
212 for (i = 0; i < 18; i++) {
213 u32 reg = readl(&scl_regs->gpio_dr) ^ SCL_BIT;
216 (reg & SCL_BIT) ? "Sett" : "Clear");
217 writel(reg, &scl_regs->gpio_dr);
220 if (readl(&sda_regs->gpio_psr) & SDA_BIT)
222 if (!(readl(&scl_regs->gpio_psr) & SCL_BIT))
229 bool scl = !!(readl(&scl_regs->gpio_psr) & SCL_BIT);
230 bool sda = !!(readl(&sda_regs->gpio_psr) & SDA_BIT);
233 printf("I2C bus recovery succeeded\n");
235 printf("I2C bus recovery FAILED: SCL: %d SDA: %d\n",
238 imx_iomux_v3_setup_multiple_pads(tx6_i2c_pads,
239 ARRAY_SIZE(tx6_i2c_pads));
244 /* placed in section '.data' to prevent overwriting relocation info
247 static u32 wrsr __data;
249 #define WRSR_POR (1 << 4)
250 #define WRSR_TOUT (1 << 1)
251 #define WRSR_SFTW (1 << 0)
253 static void print_reset_cause(void)
255 struct src *src_regs = (struct src *)SRC_BASE_ADDR;
256 void __iomem *wdt_base = (void __iomem *)WDOG1_BASE_ADDR;
260 printf("Reset cause: ");
262 srsr = readl(&src_regs->srsr);
263 wrsr = readw(wdt_base + 4);
265 if (wrsr & WRSR_POR) {
266 printf("%sPOR", dlm);
269 if (srsr & 0x00004) {
270 printf("%sCSU", dlm);
273 if (srsr & 0x00008) {
274 printf("%sIPP USER", dlm);
277 if (srsr & 0x00010) {
278 if (wrsr & WRSR_SFTW) {
279 printf("%sSOFT", dlm);
282 if (wrsr & WRSR_TOUT) {
283 printf("%sWDOG", dlm);
287 if (srsr & 0x00020) {
288 printf("%sJTAG HIGH-Z", dlm);
291 if (srsr & 0x00040) {
292 printf("%sJTAG SW", dlm);
295 if (srsr & 0x10000) {
296 printf("%sWARM BOOT", dlm);
305 static const char __data *tx6_mod_suffix;
307 #ifdef CONFIG_IMX6_THERMAL
309 #include <imx_thermal.h>
312 static void print_temperature(void)
314 struct udevice *thermal_dev;
315 int cpu_tmp, minc, maxc, ret;
316 char const *grade_str;
317 static u32 __data thermal_calib;
319 puts("Temperature: ");
320 switch (get_cpu_temp_grade(&minc, &maxc)) {
321 case TEMP_AUTOMOTIVE:
322 grade_str = "Automotive";
324 case TEMP_INDUSTRIAL:
325 grade_str = "Industrial";
327 case TEMP_EXTCOMMERCIAL:
328 grade_str = "Extended Commercial";
331 grade_str = "Commercial";
333 printf("%s grade (%dC to %dC)", grade_str, minc, maxc);
334 ret = uclass_get_device(UCLASS_THERMAL, 0, &thermal_dev);
336 ret = thermal_get_temp(thermal_dev, &cpu_tmp);
339 printf(" at %dC", cpu_tmp);
341 puts(" - failed to read sensor data");
343 puts(" - no sensor device found");
346 if (fuse_read(1, 6, &thermal_calib) == 0) {
347 printf(" - calibration data 0x%08x\n", thermal_calib);
349 puts(" - Failed to read thermal calib fuse\n");
353 static inline void print_temperature(void)
360 u32 cpurev = get_cpu_rev();
363 if (is_cpu_type(MXC_CPU_MX6SL)) {
365 tx6_mod_suffix = "?";
366 } else if (is_cpu_type(MXC_CPU_MX6DL)) {
368 tx6_mod_suffix = "U";
369 } else if (is_cpu_type(MXC_CPU_MX6SOLO)) {
371 tx6_mod_suffix = "S";
372 } else if (is_cpu_type(MXC_CPU_MX6Q)) {
374 tx6_mod_suffix = "Q";
375 } else if (is_cpu_type(MXC_CPU_MX6QP)) {
377 tx6_mod_suffix = "QP";
380 printf("CPU: Freescale i.MX6%s rev%d.%d at %d MHz\n",
382 (cpurev & 0x000F0) >> 4,
383 (cpurev & 0x0000F) >> 0,
384 mxc_get_clock(MXC_ARM_CLK) / 1000000);
388 #ifdef CONFIG_MX6_TEMPERATURE_HOT
389 check_cpu_temperature(1);
395 /* serial port not initialized at this point */
396 int board_early_init_f(void)
401 #ifndef CONFIG_MX6_TEMPERATURE_HOT
402 static bool tx6_temp_check_enabled = true;
404 #define tx6_temp_check_enabled 0
407 #ifdef CONFIG_TX6_NAND
408 #define TX6_FLASH_SZ (CONFIG_SYS_NAND_BLOCKS / 1024 - 1)
410 #ifdef CONFIG_MMC_BOOT_SIZE
411 #define TX6_FLASH_SZ (CONFIG_MMC_BOOT_SIZE / 4096 + 2)
413 #define TX6_FLASH_SZ 2
415 #endif /* CONFIG_TX6_NAND */
417 #define TX6_DDR_SZ (ffs(CONFIG_SYS_SDRAM_BUS_WIDTH / 16) - 1)
419 static char tx6_mem_table[] = {
420 '4', /* TX6S-8034 256MiB SDRAM 16bit; 128MiB NAND */
421 '1', /* TX6U-8011 512MiB SDRAM 32bit; 128MiB NAND */
422 '0', /* TX6Q-1030/TX6U-8030 1GiB SDRAM 64bit; 128MiB NAND */
423 '?', /* N/A 256MiB SDRAM 16bit; 256MiB NAND */
424 '?', /* N/A 512MiB SDRAM 32bit; 256MiB NAND */
425 '2', /* TX6U-8012 1GiB SDRAM 64bit; 256MiB NAND */
426 '?', /* N/A 256MiB SDRAM 16bit; 4GiB eMMC */
427 '5', /* TX6S-8035 512MiB SDRAM 32bit; 4GiB eMMC */
428 '3', /* TX6U-8033 1GiB SDRAM 64bit; 4GiB eMMC */
429 '?', /* N/A 256MiB SDRAM 16bit; 8GiB eMMC */
430 '?', /* N/A 512MiB SDRAM 32bit; 8GiB eMMC */
431 '6', /* TX6Q-1036 1GiB SDRAM 64bit; 8GiB eMMC */
434 #ifdef CONFIG_RN5T567
436 #define VDD_RTC_VAL rn5t_mV_to_regval_rtc(3000)
437 #define VDD_CORE_VAL rn5t_mV_to_regval(1400) /* DCDC1 */
438 #define VDD_CORE_VAL_LP rn5t_mV_to_regval(900)
439 #define VDD_SOC_VAL rn5t_mV_to_regval(1400) /* DCDC2 */
440 #define VDD_SOC_VAL_LP rn5t_mV_to_regval(1400)
441 #define VDD_DDR_VAL rn5t_mV_to_regval(1350) /* DCDC3 */
442 #define VDD_DDR_VAL_LP rn5t_mV_to_regval(1350)
443 #define VDD_HIGH_VAL rn5t_mV_to_regval(3000) /* DCDC4 */
444 #define VDD_HIGH_VAL_LP rn5t_mV_to_regval(3000)
445 #define VDD_IO_INT_VAL rn5t_mV_to_regval2(3300) /* LDO1 */
446 #define VDD_IO_INT_VAL_LP rn5t_mV_to_regval2(3300)
447 #define VDD_IO_EXT_VAL rn5t_mV_to_regval2(3300) /* LDO2 */
448 #define VDD_IO_EXT_VAL_LP rn5t_mV_to_regval2(3300)
450 static struct pmic_regs rn5t567_regs[] = {
451 { RN5T567_NOETIMSET, 0x5, },
452 { RN5T567_DC1DAC, VDD_CORE_VAL, },
453 { RN5T567_DC2DAC, VDD_SOC_VAL, },
454 { RN5T567_DC3DAC, VDD_DDR_VAL, },
455 { RN5T567_DC4DAC, VDD_HIGH_VAL, },
456 { RN5T567_DC1DAC_SLP, VDD_CORE_VAL_LP, },
457 { RN5T567_DC2DAC_SLP, VDD_SOC_VAL_LP, },
458 { RN5T567_DC3DAC_SLP, VDD_DDR_VAL_LP, },
459 { RN5T567_DC4DAC_SLP, VDD_HIGH_VAL_LP, },
460 { RN5T567_DC1CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
461 { RN5T567_DC2CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
462 { RN5T567_DC3CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
463 { RN5T567_DC4CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
464 { RN5T567_LDORTC1DAC, VDD_RTC_VAL, },
465 { RN5T567_LDORTC1_SLOT, 0x0f, ~0x3f, },
466 { RN5T567_LDO1DAC, VDD_IO_INT_VAL, },
467 { RN5T567_LDO2DAC, VDD_IO_EXT_VAL, },
468 { RN5T567_LDOEN1, 0x03, ~0x1f, },
469 { RN5T567_LDOEN2, 0x10, ~0x30, },
470 { RN5T567_LDODIS, 0x1c, ~0x1f, },
471 { RN5T567_INTPOL, 0, },
472 { RN5T567_INTEN, 0x3, },
473 { RN5T567_IREN, 0xf, },
474 { RN5T567_EN_GPIR, 0, },
481 struct pmic_regs *regs;
484 #ifdef CONFIG_LTC3676
485 { 0x3c, 1, NULL, 0, },
487 #ifdef CONFIG_RN5T567
488 { 0x33, 3, rn5t567_regs, ARRAY_SIZE(rn5t567_regs), },
492 static inline char tx6_mem_suffix(void)
494 size_t mem_idx = (TX6_FLASH_SZ * 3) + TX6_DDR_SZ;
496 debug("TX6_DDR_SZ=%d TX6_FLASH_SZ=%d idx=%d\n",
497 TX6_DDR_SZ, TX6_FLASH_SZ, mem_idx);
499 if (mem_idx >= ARRAY_SIZE(tx6_mem_table))
501 if (CONFIG_SYS_SDRAM_CHIP_SIZE > 512)
504 return is_cpu_type(MXC_CPU_MX6Q) ? '6' : '3';
505 return tx6_mem_table[mem_idx];
508 static int tx6_get_mod_rev(unsigned int pmic_id)
510 if (pmic_id < ARRAY_SIZE(tx6_mod_revs))
511 return tx6_mod_revs[pmic_id].rev;
516 static int tx6_pmic_probe(void)
520 debug("%s@%d: \n", __func__, __LINE__);
522 for (i = 0; i < ARRAY_SIZE(tx6_mod_revs); i++) {
523 u8 i2c_addr = tx6_mod_revs[i].addr;
524 int ret = i2c_probe(i2c_addr);
527 debug("I2C probe succeeded for addr 0x%02x\n", i2c_addr);
530 debug("I2C probe returned %d for addr 0x%02x\n", ret, i2c_addr);
535 static int tx6_mipi(void)
537 struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
538 struct fuse_bank4_regs *fuse = (void *)ocotp->bank[4].fuse_regs;
539 u32 gp1 = readl(&fuse->gp1);
541 debug("Fuse gp1 @ %p = %08x\n", &fuse->gp1, gp1);
550 debug("%s@%d: \n", __func__, __LINE__);
552 pmic_id = tx6_pmic_probe();
553 if (pmic_id >= 0 && pmic_id < ARRAY_SIZE(tx6_mod_revs))
554 pmic_addr = tx6_mod_revs[pmic_id].addr;
556 printf("Board: Ka-Ro TX6%s-%d%d%d%c\n",
558 is_cpu_type(MXC_CPU_MX6Q) ? 1 : 8,
559 tx6_mipi() ? 2 : is_lvds(), tx6_get_mod_rev(pmic_id),
564 ret = gpio_request_array(tx6qdl_gpios, ARRAY_SIZE(tx6qdl_gpios));
566 printf("Failed to request tx6qdl_gpios: %d\n", ret);
568 imx_iomux_v3_setup_multiple_pads(tx6qdl_pads, ARRAY_SIZE(tx6qdl_pads));
570 /* Address of boot parameters */
571 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x1000;
572 gd->bd->bi_arch_number = -1;
574 if (ctrlc() || (wrsr & WRSR_TOUT)) {
575 if (wrsr & WRSR_TOUT)
576 printf("WDOG RESET detected; Skipping PMIC setup\n");
578 printf("<CTRL-C> detected; safeboot enabled\n");
579 #ifndef CONFIG_MX6_TEMPERATURE_HOT
580 tx6_temp_check_enabled = false;
585 ret = tx6_pmic_init(pmic_addr, tx6_mod_revs[pmic_id].regs,
586 tx6_mod_revs[pmic_id].num_regs);
588 printf("Failed to setup PMIC voltages: %d\n", ret);
596 debug("%s@%d: \n", __func__, __LINE__);
598 /* dram_init must store complete ramsize in gd->ram_size */
599 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
600 PHYS_SDRAM_1_SIZE * CONFIG_NR_DRAM_BANKS);
604 void dram_init_banksize(void)
606 debug("%s@%d: chip_size=%u (%u bit bus width)\n", __func__, __LINE__,
607 CONFIG_SYS_SDRAM_CHIP_SIZE, CONFIG_SYS_SDRAM_BUS_WIDTH);
608 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
609 gd->bd->bi_dram[0].size = get_ram_size((void *)PHYS_SDRAM_1,
611 #if CONFIG_NR_DRAM_BANKS > 1
612 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
613 gd->bd->bi_dram[1].size = get_ram_size((void *)PHYS_SDRAM_2,
618 #ifdef CONFIG_FSL_ESDHC
619 #define SD_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_47K_UP | \
620 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
623 static const iomux_v3_cfg_t mmc0_pads[] = {
624 MX6_PAD_SD1_CMD__SD1_CMD | SD_PAD_CTRL,
625 MX6_PAD_SD1_CLK__SD1_CLK | SD_PAD_CTRL,
626 MX6_PAD_SD1_DAT0__SD1_DATA0 | SD_PAD_CTRL,
627 MX6_PAD_SD1_DAT1__SD1_DATA1 | SD_PAD_CTRL,
628 MX6_PAD_SD1_DAT2__SD1_DATA2 | SD_PAD_CTRL,
629 MX6_PAD_SD1_DAT3__SD1_DATA3 | SD_PAD_CTRL,
631 MX6_PAD_SD3_CMD__GPIO7_IO02 | TX6_GPIO_PAD_CTRL,
634 static const iomux_v3_cfg_t mmc1_pads[] = {
635 MX6_PAD_SD2_CMD__SD2_CMD | SD_PAD_CTRL,
636 MX6_PAD_SD2_CLK__SD2_CLK | SD_PAD_CTRL,
637 MX6_PAD_SD2_DAT0__SD2_DATA0 | SD_PAD_CTRL,
638 MX6_PAD_SD2_DAT1__SD2_DATA1 | SD_PAD_CTRL,
639 MX6_PAD_SD2_DAT2__SD2_DATA2 | SD_PAD_CTRL,
640 MX6_PAD_SD2_DAT3__SD2_DATA3 | SD_PAD_CTRL,
642 MX6_PAD_SD3_CLK__GPIO7_IO03 | TX6_GPIO_PAD_CTRL,
645 #ifdef CONFIG_TX6_EMMC
646 static const iomux_v3_cfg_t mmc3_pads[] = {
647 MX6_PAD_SD4_CMD__SD4_CMD | SD_PAD_CTRL,
648 MX6_PAD_SD4_CLK__SD4_CLK | SD_PAD_CTRL,
649 MX6_PAD_SD4_DAT0__SD4_DATA0 | SD_PAD_CTRL,
650 MX6_PAD_SD4_DAT1__SD4_DATA1 | SD_PAD_CTRL,
651 MX6_PAD_SD4_DAT2__SD4_DATA2 | SD_PAD_CTRL,
652 MX6_PAD_SD4_DAT3__SD4_DATA3 | SD_PAD_CTRL,
654 MX6_PAD_NANDF_ALE__SD4_RESET | SD_PAD_CTRL,
658 static struct tx6_esdhc_cfg {
659 const iomux_v3_cfg_t *pads;
661 enum mxc_clock clkid;
662 struct fsl_esdhc_cfg cfg;
664 } tx6qdl_esdhc_cfg[] = {
665 #ifdef CONFIG_TX6_EMMC
668 .num_pads = ARRAY_SIZE(mmc3_pads),
669 .clkid = MXC_ESDHC4_CLK,
671 .esdhc_base = (void __iomem *)USDHC4_BASE_ADDR,
679 .num_pads = ARRAY_SIZE(mmc0_pads),
680 .clkid = MXC_ESDHC_CLK,
682 .esdhc_base = (void __iomem *)USDHC1_BASE_ADDR,
685 .cd_gpio = IMX_GPIO_NR(7, 2),
689 .num_pads = ARRAY_SIZE(mmc1_pads),
690 .clkid = MXC_ESDHC2_CLK,
692 .esdhc_base = (void __iomem *)USDHC2_BASE_ADDR,
695 .cd_gpio = IMX_GPIO_NR(7, 3),
699 static inline struct tx6_esdhc_cfg *to_tx6_esdhc_cfg(struct fsl_esdhc_cfg *cfg)
701 return container_of(cfg, struct tx6_esdhc_cfg, cfg);
704 int board_mmc_getcd(struct mmc *mmc)
706 struct tx6_esdhc_cfg *cfg = to_tx6_esdhc_cfg(mmc->priv);
708 if (cfg->cd_gpio < 0)
711 debug("SD card %d is %spresent (GPIO %d)\n",
712 cfg - tx6qdl_esdhc_cfg,
713 gpio_get_value(cfg->cd_gpio) ? "NOT " : "",
715 return !gpio_get_value(cfg->cd_gpio);
718 int board_mmc_init(bd_t *bis)
722 debug("%s@%d: \n", __func__, __LINE__);
724 for (i = 0; i < ARRAY_SIZE(tx6qdl_esdhc_cfg); i++) {
726 struct tx6_esdhc_cfg *cfg = &tx6qdl_esdhc_cfg[i];
729 cfg->cfg.sdhc_clk = mxc_get_clock(cfg->clkid);
730 imx_iomux_v3_setup_multiple_pads(cfg->pads, cfg->num_pads);
732 if (cfg->cd_gpio >= 0) {
733 ret = gpio_request_one(cfg->cd_gpio,
734 GPIOFLAG_INPUT, "MMC CD");
736 printf("Error %d requesting GPIO%d_%d\n",
737 ret, cfg->cd_gpio / 32, cfg->cd_gpio % 32);
742 debug("%s: Initializing MMC slot %d\n", __func__, i);
743 fsl_esdhc_initialize(bis, &cfg->cfg);
745 mmc = find_mmc_device(i);
748 if (board_mmc_getcd(mmc))
753 #endif /* CONFIG_CMD_MMC */
755 #ifdef CONFIG_FEC_MXC
761 int board_eth_init(bd_t *bis)
765 debug("%s@%d: \n", __func__, __LINE__);
767 /* delay at least 21ms for the PHY internal POR signal to deassert */
770 imx_iomux_v3_setup_multiple_pads(tx6qdl_fec_pads,
771 ARRAY_SIZE(tx6qdl_fec_pads));
773 /* Deassert RESET to the external phy */
774 gpio_set_value(TX6_FEC_RST_GPIO, 1);
776 ret = cpu_eth_init(bis);
778 printf("cpu_eth_init() failed: %d\n", ret);
783 static void tx6_init_mac(void)
787 imx_get_mac_from_fuse(0, mac);
788 if (!is_valid_ethaddr(mac)) {
789 printf("No valid MAC address programmed\n");
793 printf("MAC addr from fuse: %pM\n", mac);
794 eth_setenv_enetaddr("ethaddr", mac);
797 static inline void tx6_init_mac(void)
800 #endif /* CONFIG_FEC_MXC */
808 static inline int calc_blink_rate(void)
810 if (!tx6_temp_check_enabled)
811 return CONFIG_SYS_HZ;
813 return CONFIG_SYS_HZ + CONFIG_SYS_HZ / 10 -
814 (check_cpu_temperature(0) - TEMPERATURE_MIN) * CONFIG_SYS_HZ /
815 (TEMPERATURE_HOT - TEMPERATURE_MIN);
818 void show_activity(int arg)
820 static int led_state = LED_STATE_INIT;
821 static int blink_rate;
824 if (led_state == LED_STATE_INIT) {
826 gpio_set_value(TX6_LED_GPIO, 1);
827 led_state = LED_STATE_ON;
828 blink_rate = calc_blink_rate();
830 if (get_timer(last) > blink_rate) {
831 blink_rate = calc_blink_rate();
832 last = get_timer_masked();
833 if (led_state == LED_STATE_ON) {
834 gpio_set_value(TX6_LED_GPIO, 0);
836 gpio_set_value(TX6_LED_GPIO, 1);
838 led_state = 1 - led_state;
843 static const iomux_v3_cfg_t stk5_pads[] = {
844 /* SW controlled LED on STK5 baseboard */
845 MX6_PAD_EIM_A18__GPIO2_IO20 | TX6_GPIO_PAD_CTRL,
847 /* I2C bus on DIMM pins 40/41 */
848 MX6_PAD_GPIO_6__I2C3_SDA | TX6_I2C_PAD_CTRL,
849 MX6_PAD_GPIO_3__I2C3_SCL | TX6_I2C_PAD_CTRL,
851 /* TSC200x PEN IRQ */
852 MX6_PAD_EIM_D26__GPIO3_IO26 | TX6_GPIO_PAD_CTRL,
854 /* EDT-FT5x06 Polytouch panel */
855 MX6_PAD_NANDF_CS2__GPIO6_IO15 | TX6_GPIO_PAD_CTRL, /* IRQ */
856 MX6_PAD_EIM_A16__GPIO2_IO22 | TX6_GPIO_PAD_CTRL, /* RESET */
857 MX6_PAD_EIM_A17__GPIO2_IO21 | TX6_GPIO_PAD_CTRL, /* WAKE */
860 MX6_PAD_EIM_D31__GPIO3_IO31 | TX6_GPIO_PAD_CTRL, /* VBUSEN */
861 MX6_PAD_EIM_D30__GPIO3_IO30 | TX6_GPIO_PAD_CTRL, /* OC */
863 MX6_PAD_EIM_D23__GPIO3_IO23 | TX6_GPIO_PAD_CTRL, /* USBOTG ID */
864 MX6_PAD_GPIO_7__GPIO1_IO07 | TX6_GPIO_PAD_CTRL, /* VBUSEN */
865 MX6_PAD_GPIO_8__GPIO1_IO08 | TX6_GPIO_PAD_CTRL, /* OC */
868 static const struct gpio stk5_gpios[] = {
869 { TX6_LED_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "HEARTBEAT LED", },
871 { IMX_GPIO_NR(3, 23), GPIOFLAG_INPUT, "USBOTG ID", },
872 { IMX_GPIO_NR(1, 8), GPIOFLAG_INPUT, "USBOTG OC", },
873 { IMX_GPIO_NR(1, 7), GPIOFLAG_OUTPUT_INIT_LOW, "USBOTG VBUS enable", },
874 { IMX_GPIO_NR(3, 30), GPIOFLAG_INPUT, "USBH1 OC", },
875 { IMX_GPIO_NR(3, 31), GPIOFLAG_OUTPUT_INIT_LOW, "USBH1 VBUS enable", },
879 vidinfo_t panel_info = {
880 /* set to max. size supported by SoC */
884 .vl_bpix = LCD_COLOR32, /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
887 static struct fb_videomode tx6_fb_modes[] = {
889 /* Standard VGA timing */
894 .pixclock = KHZ2PICOS(25175),
901 .sync = FB_SYNC_CLK_LAT_FALL,
904 /* Emerging ETV570 640 x 480 display. Syncs low active,
905 * DE high active, 115.2 mm x 86.4 mm display area
906 * VGA compatible timing
912 .pixclock = KHZ2PICOS(25175),
919 .sync = FB_SYNC_CLK_LAT_FALL,
922 /* Emerging ETM0700G0DH6 800 x 480 display.
923 * 152.4 mm x 91.44 mm display area.
929 .pixclock = KHZ2PICOS(33260),
936 .sync = FB_SYNC_CLK_LAT_FALL,
938 #ifndef CONFIG_SYS_LVDS_IF
940 /* Emerging ET0350G0DH6 320 x 240 display.
941 * 70.08 mm x 52.56 mm display area.
947 .pixclock = KHZ2PICOS(6500),
954 .sync = FB_SYNC_CLK_LAT_FALL,
957 /* Emerging ET0430G0DH6 480 x 272 display.
958 * 95.04 mm x 53.856 mm display area.
964 .pixclock = KHZ2PICOS(9000),
973 /* Emerging ET0500G0DH6 800 x 480 display.
974 * 109.6 mm x 66.4 mm display area.
980 .pixclock = KHZ2PICOS(33260),
987 .sync = FB_SYNC_CLK_LAT_FALL,
990 /* Emerging ETQ570G0DH6 320 x 240 display.
991 * 115.2 mm x 86.4 mm display area.
997 .pixclock = KHZ2PICOS(6400),
1001 .upper_margin = 16, /* 15 according to datasheet */
1002 .vsync_len = 3, /* TVP -> 1>x>5 */
1003 .lower_margin = 4, /* 4.5 according to datasheet */
1004 .sync = FB_SYNC_CLK_LAT_FALL,
1008 /* HannStar HSD100PXN1
1009 * 202.7m mm x 152.06 mm display area.
1011 .name = "HSD100PXN1",
1015 .pixclock = KHZ2PICOS(65000),
1018 .right_margin = 320,
1022 .sync = FB_SYNC_CLK_LAT_FALL,
1026 /* unnamed entry for assigning parameters parsed from 'video_mode' string */
1034 .sync = FB_SYNC_CLK_LAT_FALL,
1038 static int lcd_enabled = 1;
1039 static int lcd_bl_polarity;
1041 static int lcd_backlight_polarity(void)
1043 return lcd_bl_polarity;
1046 void lcd_enable(void)
1049 * global variable from common/lcd.c
1050 * Set to 0 here to prevent messages from going to LCD
1051 * rather than serial console
1056 karo_load_splashimage(1);
1058 debug("Switching LCD on\n");
1059 gpio_set_value(TX6_LCD_PWR_GPIO, 1);
1061 gpio_set_value(TX6_LCD_RST_GPIO, 1);
1063 gpio_set_value(TX6_LCD_BACKLIGHT_GPIO,
1064 lcd_backlight_polarity());
1068 void lcd_disable(void)
1071 printf("Disabling LCD\n");
1072 ipuv3_fb_shutdown();
1076 void lcd_panel_disable(void)
1079 debug("Switching LCD off\n");
1080 gpio_set_value(TX6_LCD_BACKLIGHT_GPIO,
1081 !lcd_backlight_polarity());
1082 gpio_set_value(TX6_LCD_RST_GPIO, 0);
1083 gpio_set_value(TX6_LCD_PWR_GPIO, 0);
1087 static const iomux_v3_cfg_t stk5_lcd_pads[] = {
1089 MX6_PAD_EIM_D29__GPIO3_IO29 | TX6_GPIO_PAD_CTRL,
1090 /* LCD POWER_ENABLE */
1091 MX6_PAD_EIM_EB3__GPIO2_IO31 | TX6_GPIO_PAD_CTRL,
1092 /* LCD Backlight (PWM) */
1093 MX6_PAD_GPIO_1__GPIO1_IO01 | TX6_GPIO_PAD_CTRL,
1095 #ifndef CONFIG_SYS_LVDS_IF
1097 MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | TX6_GPIO_PAD_CTRL,
1098 MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | TX6_GPIO_PAD_CTRL,
1099 MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | TX6_GPIO_PAD_CTRL,
1100 MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | TX6_GPIO_PAD_CTRL,
1101 MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | TX6_GPIO_PAD_CTRL,
1102 MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | TX6_GPIO_PAD_CTRL,
1103 MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | TX6_GPIO_PAD_CTRL,
1104 MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | TX6_GPIO_PAD_CTRL,
1105 MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | TX6_GPIO_PAD_CTRL,
1106 MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | TX6_GPIO_PAD_CTRL,
1107 MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | TX6_GPIO_PAD_CTRL,
1108 MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | TX6_GPIO_PAD_CTRL,
1109 MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | TX6_GPIO_PAD_CTRL,
1110 MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | TX6_GPIO_PAD_CTRL,
1111 MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | TX6_GPIO_PAD_CTRL,
1112 MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | TX6_GPIO_PAD_CTRL,
1113 MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | TX6_GPIO_PAD_CTRL,
1114 MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | TX6_GPIO_PAD_CTRL,
1115 MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | TX6_GPIO_PAD_CTRL,
1116 MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | TX6_GPIO_PAD_CTRL,
1117 MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | TX6_GPIO_PAD_CTRL,
1118 MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | TX6_GPIO_PAD_CTRL,
1119 MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | TX6_GPIO_PAD_CTRL,
1120 MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | TX6_GPIO_PAD_CTRL,
1121 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | TX6_GPIO_PAD_CTRL, /* HSYNC */
1122 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | TX6_GPIO_PAD_CTRL, /* VSYNC */
1123 MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | TX6_GPIO_PAD_CTRL, /* OE_ACD */
1124 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | TX6_GPIO_PAD_CTRL, /* LSCLK */
1128 static const struct gpio stk5_lcd_gpios[] = {
1129 { TX6_LCD_RST_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "LCD RESET", },
1130 { TX6_LCD_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "LCD POWER", },
1131 { TX6_LCD_BACKLIGHT_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "LCD BACKLIGHT", },
1134 void lcd_ctrl_init(void *lcdbase)
1136 int color_depth = 24;
1137 const char *video_mode = karo_get_vmode(getenv("video_mode"));
1141 struct fb_videomode *p = &tx6_fb_modes[0];
1142 struct fb_videomode fb_mode;
1143 int xres_set = 0, yres_set = 0, bpp_set = 0, refresh_set = 0;
1146 unsigned long di_clk_rate = 65000000;
1149 debug("LCD disabled\n");
1153 if (had_ctrlc() || (wrsr & WRSR_TOUT)) {
1154 debug("Disabling LCD\n");
1156 setenv("splashimage", NULL);
1160 karo_fdt_move_fdt();
1161 lcd_bl_polarity = karo_fdt_get_backlight_polarity(working_fdt);
1163 if (video_mode == NULL) {
1164 debug("Disabling LCD\n");
1169 if (karo_fdt_get_fb_mode(working_fdt, video_mode, &fb_mode) == 0) {
1171 debug("Using video mode from FDT\n");
1173 if (fb_mode.xres > panel_info.vl_col ||
1174 fb_mode.yres > panel_info.vl_row) {
1175 printf("video resolution from DT: %dx%d exceeds hardware limits: %dx%d\n",
1176 fb_mode.xres, fb_mode.yres,
1177 panel_info.vl_col, panel_info.vl_row);
1182 if (p->name != NULL)
1183 debug("Trying compiled-in video modes\n");
1184 while (p->name != NULL) {
1185 if (strcmp(p->name, vm) == 0) {
1186 debug("Using video mode: '%s'\n", p->name);
1193 debug("Trying to decode video_mode: '%s'\n", vm);
1194 while (*vm != '\0') {
1195 if (*vm >= '0' && *vm <= '9') {
1198 val = simple_strtoul(vm, &end, 0);
1201 if (val > panel_info.vl_col)
1202 val = panel_info.vl_col;
1204 panel_info.vl_col = val;
1206 } else if (!yres_set) {
1207 if (val > panel_info.vl_row)
1208 val = panel_info.vl_row;
1210 panel_info.vl_row = val;
1212 } else if (!bpp_set) {
1217 pix_fmt = IPU_PIX_FMT_LVDS888;
1231 printf("Invalid color depth: '%.*s' in video_mode; using default: '%u'\n",
1232 end - vm, vm, color_depth);
1235 } else if (!refresh_set) {
1262 if (p->xres == 0 || p->yres == 0) {
1263 printf("Invalid video mode: %s\n", getenv("video_mode"));
1265 printf("Supported video modes are:");
1266 for (p = &tx6_fb_modes[0]; p->name != NULL; p++) {
1267 printf(" %s", p->name);
1272 if (p->xres > panel_info.vl_col || p->yres > panel_info.vl_row) {
1273 printf("video resolution: %dx%d exceeds hardware limits: %dx%d\n",
1274 p->xres, p->yres, panel_info.vl_col, panel_info.vl_row);
1278 panel_info.vl_col = p->xres;
1279 panel_info.vl_row = p->yres;
1281 switch (color_depth) {
1283 panel_info.vl_bpix = LCD_COLOR8;
1286 panel_info.vl_bpix = LCD_COLOR16;
1289 panel_info.vl_bpix = LCD_COLOR32;
1292 p->pixclock = KHZ2PICOS(refresh *
1293 (p->xres + p->left_margin + p->right_margin + p->hsync_len) *
1294 (p->yres + p->upper_margin + p->lower_margin + p->vsync_len) /
1296 debug("Pixel clock set to %lu.%03lu MHz\n",
1297 PICOS2KHZ(p->pixclock) / 1000, PICOS2KHZ(p->pixclock) % 1000);
1299 if (p != &fb_mode) {
1302 debug("Creating new display-timing node from '%s'\n",
1304 ret = karo_fdt_create_fb_mode(working_fdt, video_mode, p);
1306 printf("Failed to create new display-timing node from '%s': %d\n",
1310 gpio_request_array(stk5_lcd_gpios, ARRAY_SIZE(stk5_lcd_gpios));
1311 imx_iomux_v3_setup_multiple_pads(stk5_lcd_pads,
1312 ARRAY_SIZE(stk5_lcd_pads));
1314 lcd_bus_width = karo_fdt_get_lcd_bus_width(working_fdt, 24);
1315 switch (lcd_bus_width) {
1317 pix_fmt = is_lvds() ? IPU_PIX_FMT_LVDS888 : IPU_PIX_FMT_RGB24;
1321 pix_fmt = is_lvds() ? IPU_PIX_FMT_LVDS666 : IPU_PIX_FMT_RGB666;
1326 pix_fmt = IPU_PIX_FMT_RGB565;
1332 printf("Invalid %s bus width: %d\n", is_lvds() ? "LVDS" : "LCD",
1337 int lvds_mapping = karo_fdt_get_lvds_mapping(working_fdt, 0);
1338 int lvds_chan_mask = karo_fdt_get_lvds_channels(working_fdt);
1342 if (lvds_chan_mask == 0) {
1343 printf("No LVDS channel active\n");
1348 gpr2 = (lvds_mapping << 6) | (lvds_mapping << 8);
1349 if (lcd_bus_width == 24)
1350 gpr2 |= (1 << 5) | (1 << 7);
1351 gpr2 |= (lvds_chan_mask & 1) ? 1 << 0 : 0;
1352 gpr2 |= (lvds_chan_mask & 2) ? 3 << 2 : 0;
1353 debug("writing %08x to GPR2[%08x]\n", gpr2, IOMUXC_BASE_ADDR + 8);
1354 writel(gpr2, IOMUXC_BASE_ADDR + 8);
1356 gpr3 = readl(IOMUXC_BASE_ADDR + 0xc);
1357 gpr3 &= ~((3 << 8) | (3 << 6));
1358 writel(gpr3, IOMUXC_BASE_ADDR + 0xc);
1360 if (karo_load_splashimage(0) == 0) {
1363 debug("Initializing LCD controller\n");
1364 ret = ipuv3_fb_init(p, 0, pix_fmt,
1365 is_lvds() ? DI_PCLK_LDB : DI_PCLK_PLL3,
1368 printf("Failed to initialize FB driver: %d\n", ret);
1372 debug("Skipping initialization of LCD controller\n");
1378 panel_info.vl_col = 0;
1379 panel_info.vl_row = 0;
1383 #define lcd_enabled 0
1384 #endif /* CONFIG_LCD */
1386 static void stk5_board_init(void)
1390 ret = gpio_request_array(stk5_gpios, ARRAY_SIZE(stk5_gpios));
1392 printf("Failed to request stk5_gpios: %d\n", ret);
1395 imx_iomux_v3_setup_multiple_pads(stk5_pads, ARRAY_SIZE(stk5_pads));
1398 static void stk5v3_board_init(void)
1403 static void stk5v5_board_init(void)
1409 ret = gpio_request_one(IMX_GPIO_NR(4, 21), GPIOFLAG_OUTPUT_INIT_HIGH,
1410 "Flexcan Transceiver");
1412 printf("Failed to request Flexcan Transceiver GPIO: %d\n", ret);
1416 imx_iomux_v3_setup_pad(MX6_PAD_DISP0_DAT0__GPIO4_IO21 |
1420 static void tx6qdl_set_cpu_clock(void)
1422 unsigned long cpu_clk = getenv_ulong("cpu_clk", 10, 0);
1424 if (cpu_clk == 0 || cpu_clk == mxc_get_clock(MXC_ARM_CLK) / 1000000)
1427 if (had_ctrlc() || (wrsr & WRSR_TOUT)) {
1428 printf("%s detected; skipping cpu clock change\n",
1429 (wrsr & WRSR_TOUT) ? "WDOG RESET" : "<CTRL-C>");
1432 if (mxc_set_clock(CONFIG_SYS_MX6_HCLK, cpu_clk, MXC_ARM_CLK) == 0) {
1433 cpu_clk = mxc_get_clock(MXC_ARM_CLK);
1434 printf("CPU clock set to %lu.%03lu MHz\n",
1435 cpu_clk / 1000000, cpu_clk / 1000 % 1000);
1437 printf("Error: Failed to set CPU clock to %lu MHz\n", cpu_clk);
1441 int board_late_init(void)
1443 const char *baseboard;
1445 debug("%s@%d: \n", __func__, __LINE__);
1449 if (tx6_temp_check_enabled)
1450 check_cpu_temperature(1);
1452 tx6qdl_set_cpu_clock();
1455 setenv_ulong("safeboot", 1);
1456 else if (wrsr & WRSR_TOUT)
1457 setenv_ulong("wdreset", 1);
1459 karo_fdt_move_fdt();
1461 baseboard = getenv("baseboard");
1465 printf("Baseboard: %s\n", baseboard);
1467 if (strncmp(baseboard, "stk5", 4) == 0) {
1468 if ((strlen(baseboard) == 4) ||
1469 strcmp(baseboard, "stk5-v3") == 0) {
1470 stk5v3_board_init();
1471 } else if (strcmp(baseboard, "stk5-v5") == 0) {
1472 const char *otg_mode = getenv("otg_mode");
1474 if (otg_mode && strcmp(otg_mode, "host") == 0) {
1475 printf("otg_mode='%s' is incompatible with baseboard %s; setting to 'none'\n",
1476 otg_mode, baseboard);
1477 setenv("otg_mode", "none");
1479 stk5v5_board_init();
1481 printf("WARNING: Unsupported STK5 board rev.: %s\n",
1485 printf("WARNING: Unsupported baseboard: '%s'\n",
1494 gpio_set_value(TX6_RESET_OUT_GPIO, 1);
1499 #ifdef CONFIG_SERIAL_TAG
1500 void get_board_serial(struct tag_serialnr *serialnr)
1502 struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
1503 struct fuse_bank0_regs *fuse = (void *)ocotp->bank[0].fuse_regs;
1505 serialnr->low = readl(&fuse->cfg0);
1506 serialnr->high = readl(&fuse->cfg1);
1510 #if defined(CONFIG_OF_BOARD_SETUP)
1511 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
1512 #include <jffs2/jffs2.h>
1513 #include <mtd_node.h>
1514 static struct node_info nodes[] = {
1515 { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
1518 #define fdt_fixup_mtdparts(b,n,c) do { } while (0)
1521 static const char *tx6_touchpanels[] = {
1527 int ft_board_setup(void *blob, bd_t *bd)
1529 const char *baseboard = getenv("baseboard");
1530 int stk5_v5 = baseboard != NULL && (strcmp(baseboard, "stk5-v5") == 0);
1531 const char *video_mode = karo_get_vmode(getenv("video_mode"));
1534 ret = fdt_increase_size(blob, 4096);
1536 printf("Failed to increase FDT size: %s\n", fdt_strerror(ret));
1540 karo_fdt_enable_node(blob, "stk5led", 0);
1542 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
1544 karo_fdt_fixup_touchpanel(blob, tx6_touchpanels,
1545 ARRAY_SIZE(tx6_touchpanels));
1546 karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy", "vbus-supply");
1547 karo_fdt_fixup_flexcan(blob, stk5_v5);
1549 #ifdef CONFIG_SYS_LVDS_IF
1550 karo_fdt_update_fb_mode(blob, video_mode, "/lvds0-panel");
1551 karo_fdt_update_fb_mode(blob, video_mode, "/lvds1-panel");
1553 karo_fdt_update_fb_mode(blob, video_mode, "/lcd-panel");
1557 #endif /* CONFIG_OF_BOARD_SETUP */