1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2016 samtec automotive software & electronics gmbh
4 * Copyright (C) 2017-2019 softing automotive electronics gmbH
6 * Author: Christoph Fritz <chf.fritz@googlemail.com>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/crm_regs.h>
12 #include <asm/arch/iomux.h>
13 #include <asm/arch/imx-regs.h>
14 #include <asm/arch/mx6-pins.h>
15 #include <asm/arch/sys_proto.h>
17 #include <asm/mach-imx/iomux-v3.h>
19 #include <asm/mach-imx/mxc_i2c.h>
21 #include <linux/sizes.h>
23 #include <fsl_esdhc_imx.h>
28 #include <power/pmic.h>
29 #include <power/pfuze100_pmic.h>
31 #include <usb/ehci-ci.h>
35 DECLARE_GLOBAL_DATA_PTR;
37 #define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
38 PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
41 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PKE | \
42 PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | \
45 #define ENET_CLK_PAD_CTRL PAD_CTL_DSE_34ohm
47 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | \
48 PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_HIGH | \
51 #define I2C_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
52 PAD_CTL_PKE | PAD_CTL_ODE | PAD_CTL_SPEED_MED | \
55 #define USDHC_CLK_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
56 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST)
58 #define USDHC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
59 PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_80ohm | \
62 #define USDHC_RESET_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
63 PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_80ohm)
65 #define GPIO_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
70 gd->ram_size = imx_ddr_size();
75 static iomux_v3_cfg_t const fec1_pads[] = {
76 MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
77 MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
78 MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
79 MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
80 MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
81 MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
82 MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
83 MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL) |
86 /* LAN8720 PHY Reset */
87 MX6_PAD_RGMII1_TD3__GPIO5_IO_9 | MUX_PAD_CTRL(NO_PAD_CTRL),
90 static iomux_v3_cfg_t const pwm_led_pads[] = {
91 MX6_PAD_RGMII2_RD2__PWM2_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* green */
92 MX6_PAD_RGMII2_TD2__PWM6_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* red */
93 MX6_PAD_RGMII2_RD3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* blue */
96 #define PHY_RESET IMX_GPIO_NR(5, 9)
98 int board_eth_init(bd_t *bis)
100 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
102 unsigned char eth1addr[6];
104 /* just to get secound mac address */
105 imx_get_mac_from_fuse(1, eth1addr);
106 if (!env_get("eth1addr") && is_valid_ethaddr(eth1addr))
107 eth_env_set_enetaddr("eth1addr", eth1addr);
109 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
112 * Generate phy reference clock via pin IOMUX ENET_REF_CLK1/2 by erasing
113 * ENET1/2_TX_CLK_DIR gpr1[14:13], so that reference clock is driven by
114 * ref_enetpll0/1 and enable ENET1/2_TX_CLK output driver.
116 clrsetbits_le32(&iomuxc_regs->gpr[1],
117 IOMUX_GPR1_FEC1_CLOCK_MUX2_SEL_MASK |
118 IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK,
119 IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK |
120 IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
122 ret = enable_fec_anatop_clock(0, ENET_50MHZ);
127 gpio_request(PHY_RESET, "PHY-reset");
128 gpio_direction_output(PHY_RESET, 0);
130 gpio_set_value(PHY_RESET, 1);
133 ret = fecmxc_initialize_multi(bis, 0, CONFIG_FEC_MXC_PHYADDR,
141 printf("FEC MXC: %s:failed (%i)\n", __func__, ret);
142 gpio_set_value(PHY_RESET, 0);
146 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
148 static struct i2c_pads_info i2c_pad_info1 = {
150 .i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC,
151 .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC,
152 .gp = IMX_GPIO_NR(1, 0),
155 .i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC,
156 .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC,
157 .gp = IMX_GPIO_NR(1, 1),
161 static struct pmic *pfuze_init(unsigned char i2cbus)
167 ret = power_pfuze100_init(i2cbus);
171 p = pmic_get("PFUZE100");
176 pmic_reg_read(p, PFUZE100_DEVICEID, ®);
177 printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
179 /* Set SW1AB stanby volage to 0.975V */
180 pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®);
181 reg &= ~SW1x_STBY_MASK;
183 pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg);
185 /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
186 pmic_reg_read(p, PFUZE100_SW1ABCONF, ®);
187 reg &= ~SW1xCONF_DVSSPEED_MASK;
188 reg |= SW1xCONF_DVSSPEED_4US;
189 pmic_reg_write(p, PFUZE100_SW1ABCONF, reg);
191 /* Set SW1C standby voltage to 0.975V */
192 pmic_reg_read(p, PFUZE100_SW1CSTBY, ®);
193 reg &= ~SW1x_STBY_MASK;
195 pmic_reg_write(p, PFUZE100_SW1CSTBY, reg);
197 /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
198 pmic_reg_read(p, PFUZE100_SW1CCONF, ®);
199 reg &= ~SW1xCONF_DVSSPEED_MASK;
200 reg |= SW1xCONF_DVSSPEED_4US;
201 pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
206 static int pfuze_mode_init(struct pmic *p, u32 mode)
208 unsigned char offset, i, switch_num;
212 pmic_reg_read(p, PFUZE100_DEVICEID, &id);
217 offset = PFUZE100_SW1CMODE;
218 } else if (id == 1) {
220 offset = PFUZE100_SW2MODE;
222 printf("Not supported, id=%d\n", id);
226 ret = pmic_reg_write(p, PFUZE100_SW1ABMODE, mode);
228 printf("Set SW1AB mode error!\n");
232 for (i = 0; i < switch_num - 1; i++) {
233 ret = pmic_reg_write(p, offset + i * SWITCH_SIZE, mode);
235 printf("Set switch 0x%x mode error!\n",
236 offset + i * SWITCH_SIZE);
244 int power_init_board(void)
249 p = pfuze_init(I2C_PMIC);
253 ret = pfuze_mode_init(p, APS_PFM);
260 #ifdef CONFIG_USB_EHCI_MX6
261 static iomux_v3_cfg_t const usb_otg_pads[] = {
263 MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
264 MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
266 MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
269 static void setup_iomux_usb(void)
271 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
272 ARRAY_SIZE(usb_otg_pads));
275 int board_usb_phy_mode(int port)
278 return USB_INIT_HOST;
280 return usb_phy_mode(port);
284 #ifdef CONFIG_PWM_IMX
285 static int set_pwm_leds(void)
289 imx_iomux_v3_setup_multiple_pads(pwm_led_pads,
290 ARRAY_SIZE(pwm_led_pads));
291 /* enable backlight PWM 2, green LED */
292 ret = pwm_init(1, 0, 0);
295 /* duty cycle 200ns, period: 8000ns */
296 ret = pwm_config(1, 200, 8000);
303 /* enable backlight PWM 1, blue LED */
304 ret = pwm_init(0, 0, 0);
307 /* duty cycle 200ns, period: 8000ns */
308 ret = pwm_config(0, 200, 8000);
315 /* enable backlight PWM 6, red LED */
316 ret = pwm_init(5, 0, 0);
319 /* duty cycle 200ns, period: 8000ns */
320 ret = pwm_config(5, 200, 8000);
329 static int set_pwm_leds(void)
335 #define ADCx_HC0 0x00
337 #define ADCx_HS_C0 BIT(0)
339 #define ADCx_CFG 0x14
340 #define ADCx_CFG_SWMODE 0x308
342 #define ADCx_GC_CAL BIT(7)
344 static int read_adc(u32 *val)
347 void __iomem *b = map_physmem(ADC1_BASE_ADDR, 0x100, MAP_NOCACHE);
349 /* use software mode */
350 writel(ADCx_CFG_SWMODE, b + ADCx_CFG);
352 /* start auto calibration */
353 setbits_le32(b + ADCx_GC, ADCx_GC_CAL);
354 ret = wait_for_bit_le32(b + ADCx_GC, ADCx_GC_CAL, ADCx_GC_CAL, 10, 0);
358 /* start conversion */
359 writel(0, b + ADCx_HC0);
361 /* wait for conversion */
362 ret = wait_for_bit_le32(b + ADCx_HS, ADCx_HS_C0, ADCx_HS_C0, 10, 0);
367 *val = readl(b + ADCx_R0);
371 printf("ADC failure (ret=%i)\n", ret);
372 unmap_physmem(b, MAP_NOCACHE);
376 #define VAL_UPPER 2498
377 #define VAL_LOWER 1550
379 static int set_pin_state(void)
384 ret = read_adc(&val);
388 if (val >= VAL_UPPER)
389 env_set("pin_state", "connected");
390 else if (val < VAL_UPPER && val > VAL_LOWER)
391 env_set("pin_state", "open");
393 env_set("pin_state", "button");
398 int board_late_init(void)
402 ret = set_pwm_leds();
406 ret = set_pin_state();
411 int board_early_init_f(void)
420 /* Address of boot parameters */
421 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
423 #ifdef CONFIG_SYS_I2C_MXC
424 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
432 puts("Board: VIN|ING 2000\n");
437 #ifdef CONFIG_SPL_BUILD
438 #include <linux/libfdt.h>
440 #include <asm/arch/mx6-ddr.h>
442 static struct fsl_esdhc_cfg usdhc_cfg = { USDHC4_BASE_ADDR };
444 static iomux_v3_cfg_t const uart_pads[] = {
445 MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
446 MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
449 static iomux_v3_cfg_t const usdhc4_pads[] = {
450 MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
451 MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
452 MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
453 MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
454 MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
455 MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
456 MX6_PAD_SD4_DATA4__USDHC4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
457 MX6_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
458 MX6_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
459 MX6_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
462 static void vining2000_spl_setup_iomux_uart(void)
464 imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
467 int board_mmc_init(bd_t *bis)
469 struct src *src_regs = (struct src *)SRC_BASE_ADDR;
473 val = readl(&src_regs->sbmr1);
475 if ((val & 0xc0) != 0x40) {
476 printf("Not boot from USDHC!\n");
480 port = (val >> 11) & 0x3;
481 printf("port %d\n", port);
484 imx_iomux_v3_setup_multiple_pads(
485 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
486 usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
487 usdhc_cfg.esdhc_base = USDHC4_BASE_ADDR;
491 gd->arch.sdhc_clk = usdhc_cfg.sdhc_clk;
492 return fsl_esdhc_initialize(bis, &usdhc_cfg);
495 int board_mmc_getcd(struct mmc *mmc)
500 const struct mx6sx_iomux_ddr_regs mx6_ddr_ioregs = {
501 .dram_dqm0 = 0x00000028,
502 .dram_dqm1 = 0x00000028,
503 .dram_dqm2 = 0x00000028,
504 .dram_dqm3 = 0x00000028,
505 .dram_ras = 0x00000028,
506 .dram_cas = 0x00000028,
507 .dram_odt0 = 0x00000028,
508 .dram_odt1 = 0x00000028,
509 .dram_sdba2 = 0x00000000,
510 .dram_sdcke0 = 0x00003000,
511 .dram_sdcke1 = 0x00003000,
512 .dram_sdclk_0 = 0x00000030,
513 .dram_sdqs0 = 0x00000028,
514 .dram_sdqs1 = 0x00000028,
515 .dram_sdqs2 = 0x00000028,
516 .dram_sdqs3 = 0x00000028,
517 .dram_reset = 0x00000028,
520 const struct mx6sx_iomux_grp_regs mx6_grp_ioregs = {
521 .grp_addds = 0x00000028,
522 .grp_b0ds = 0x00000028,
523 .grp_b1ds = 0x00000028,
524 .grp_b2ds = 0x00000028,
525 .grp_b3ds = 0x00000028,
526 .grp_ctlds = 0x00000028,
527 .grp_ddr_type = 0x000c0000,
528 .grp_ddrmode = 0x00020000,
529 .grp_ddrmode_ctl = 0x00020000,
530 .grp_ddrpke = 0x00000000,
533 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
534 .p0_mpwldectrl0 = 0x0022001C,
535 .p0_mpwldectrl1 = 0x001F001A,
536 .p0_mpdgctrl0 = 0x01380134,
537 .p0_mpdgctrl1 = 0x0124011C,
538 .p0_mprddlctl = 0x42404444,
539 .p0_mpwrdlctl = 0x36383C38,
542 static struct mx6_ddr3_cfg mem_ddr = {
555 static void ccgr_init(void)
557 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
559 writel(0xF000000F, &ccm->CCGR0); /* AIPS_TZ{1,2,3} */
560 writel(0x303C0000, &ccm->CCGR1); /* GPT, OCRAM */
561 writel(0x00FFFCC0, &ccm->CCGR2); /* IPMUX, I2C1, I2C3 */
562 writel(0x3F300030, &ccm->CCGR3); /* OCRAM, MMDC, ENET */
563 writel(0x0000C003, &ccm->CCGR4); /* PCI, PL301 */
564 writel(0x0F0330C3, &ccm->CCGR5); /* UART, ROM */
565 writel(0x00000F00, &ccm->CCGR6); /* SDHI4, EIM */
568 static void vining2000_spl_dram_init(void)
570 struct mx6_ddr_sysinfo sysinfo = {
571 .dsize = mem_ddr.width / 32,
575 .rtt_wr = 1, /* RTT_wr = RZQ/4 */
576 .rtt_nom = 1, /* RTT_Nom = RZQ/4 */
577 .walat = 1, /* Write additional latency */
578 .ralat = 5, /* Read additional latency */
579 .mif3_mode = 3, /* Command prediction working mode */
580 .bi_on = 1, /* Bank interleaving enabled */
581 .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
582 .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
583 .ddr_type = DDR_TYPE_DDR3,
584 .refsel = 1, /* Refresh cycles at 32KHz */
585 .refr = 7, /* 8 refresh commands per refresh cycle */
588 mx6sx_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
589 mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
591 /* Perform DDR DRAM calibration */
593 mmdc_do_write_level_calibration(&sysinfo);
594 mmdc_do_dqs_calibration(&sysinfo);
597 void board_init_f(ulong dummy)
599 /* setup AIPS and disable watchdog */
605 vining2000_spl_setup_iomux_uart();
610 /* UART clocks enabled and gd valid - init serial console */
611 preloader_console_init();
613 /* DDR initialization */
614 vining2000_spl_dram_init();
617 memset(__bss_start, 0, __bss_end - __bss_start);
619 /* load/boot image from boot device */
620 board_init_r(NULL, 0);