1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
4 * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
5 * Copyright (C) 2014-2019, Toradex AG
6 * copied from nitrogen6x
13 #include <asm/arch/clock.h>
14 #include <asm/arch/crm_regs.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/mx6-ddr.h>
17 #include <asm/arch/mx6-pins.h>
18 #include <asm/arch/mxc_hdmi.h>
19 #include <asm/arch/sys_proto.h>
20 #include <asm/bootm.h>
22 #include <asm/mach-imx/boot_mode.h>
23 #include <asm/mach-imx/iomux-v3.h>
24 #include <asm/mach-imx/sata.h>
25 #include <asm/mach-imx/video.h>
26 #include <dm/device-internal.h>
27 #include <dm/platform_data/serial_mxc.h>
28 #include <dwc_ahsata.h>
29 #include <environment.h>
30 #include <fsl_esdhc.h>
31 #include <imx_thermal.h>
36 #include "../common/tdx-cfg-block.h"
37 #ifdef CONFIG_TDX_CMD_IMX_MFGR
41 DECLARE_GLOBAL_DATA_PTR;
43 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
44 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
45 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
47 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
48 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
49 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
51 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
52 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
54 #define WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \
55 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
58 #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \
59 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
60 PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
62 #define TRISTATE (PAD_CTL_HYS | PAD_CTL_SPEED_MED)
64 #define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST)
66 #define APALIS_IMX6_SATA_INIT_RETRIES 10
70 /* use the DDR controllers configured size */
71 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
72 (ulong)imx_ddr_size());
78 iomux_v3_cfg_t const uart1_pads_dce[] = {
79 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
80 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
82 iomux_v3_cfg_t const uart1_pads_dte[] = {
83 MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
84 MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
87 #if defined(CONFIG_FSL_ESDHC) && defined(CONFIG_SPL_BUILD)
89 iomux_v3_cfg_t const usdhc1_pads[] = {
90 MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
91 MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
92 MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
93 MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
94 MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
95 MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
96 MX6_PAD_NANDF_D0__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
97 MX6_PAD_NANDF_D1__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
98 MX6_PAD_NANDF_D2__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
99 MX6_PAD_NANDF_D3__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
100 MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
101 # define GPIO_MMC_CD IMX_GPIO_NR(4, 20)
105 iomux_v3_cfg_t const usdhc2_pads[] = {
106 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
107 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
108 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
109 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
110 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
111 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
112 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
113 # define GPIO_SD_CD IMX_GPIO_NR(6, 14)
117 iomux_v3_cfg_t const usdhc3_pads[] = {
118 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
119 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
120 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
121 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
122 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | MUX_MODE_SION,
130 #endif /* CONFIG_FSL_ESDHC & CONFIG_SPL_BUILD */
132 int mx6_rgmii_rework(struct phy_device *phydev)
134 /* control data pad skew - devaddr = 0x02, register = 0x04 */
135 ksz9031_phy_extended_write(phydev, 0x02,
136 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
137 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
138 /* rx data pad skew - devaddr = 0x02, register = 0x05 */
139 ksz9031_phy_extended_write(phydev, 0x02,
140 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
141 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
142 /* tx data pad skew - devaddr = 0x02, register = 0x05 */
143 ksz9031_phy_extended_write(phydev, 0x02,
144 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
145 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
146 /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */
147 ksz9031_phy_extended_write(phydev, 0x02,
148 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
149 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
153 iomux_v3_cfg_t const enet_pads[] = {
154 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
155 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
156 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
157 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
158 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
159 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
160 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
161 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
162 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
163 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
164 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
165 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
166 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
167 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
168 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
169 /* KSZ9031 PHY Reset */
170 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL) |
172 # define GPIO_ENET_PHY_RESET IMX_GPIO_NR(1, 25)
175 static void setup_iomux_enet(void)
177 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
180 static int reset_enet_phy(struct mii_dev *bus)
182 /* Reset KSZ9031 PHY */
183 gpio_request(GPIO_ENET_PHY_RESET, "ETH_RESET#");
184 gpio_direction_output(GPIO_ENET_PHY_RESET, 0);
186 gpio_set_value(GPIO_ENET_PHY_RESET, 1);
191 /* mux the Apalis GPIO pins, so they can be used from the U-Boot cmdline */
192 iomux_v3_cfg_t const gpio_pads[] = {
193 /* Apalis GPIO1 - GPIO8 */
194 MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) |
196 MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(WEAK_PULLUP) |
198 MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) |
200 MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(WEAK_PULLUP) |
202 MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP) |
204 MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP) |
206 MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLDOWN) |
208 MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) |
210 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) |
214 static void setup_iomux_gpio(void)
216 imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
219 iomux_v3_cfg_t const usb_pads[] = {
221 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION,
222 # define GPIO_USBH_EN IMX_GPIO_NR(1, 0)
224 MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
225 # define GPIO_USB_VBUS_DET IMX_GPIO_NR(3, 28)
227 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(WEAK_PULLUP),
229 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION,
230 # define GPIO_USBO_EN IMX_GPIO_NR(3, 22)
234 * UARTs are used in DTE mode, switch the mode on all UARTs before
235 * any pinmuxing connects a (DCE) output to a transceiver output.
237 #define UFCR 0x90 /* FIFO Control Register */
238 #define UFCR_DCEDTE (1<<6) /* DCE=0 */
240 static void setup_dtemode_uart(void)
242 setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
243 setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
244 setbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
245 setbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
247 static void setup_dcemode_uart(void)
249 clrbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
250 clrbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
251 clrbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
252 clrbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
255 static void setup_iomux_dte_uart(void)
257 setup_dtemode_uart();
258 imx_iomux_v3_setup_multiple_pads(uart1_pads_dte,
259 ARRAY_SIZE(uart1_pads_dte));
261 static void setup_iomux_dce_uart(void)
263 setup_dcemode_uart();
264 imx_iomux_v3_setup_multiple_pads(uart1_pads_dce,
265 ARRAY_SIZE(uart1_pads_dce));
268 #ifdef CONFIG_USB_EHCI_MX6
269 int board_ehci_hcd_init(int port)
271 imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
276 #if defined(CONFIG_FSL_ESDHC) && defined(CONFIG_SPL_BUILD)
277 /* use the following sequence: eMMC, MMC1, SD1 */
278 struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
284 int board_mmc_getcd(struct mmc *mmc)
286 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
287 int ret = true; /* default: assume inserted */
289 switch (cfg->esdhc_base) {
290 case USDHC1_BASE_ADDR:
291 gpio_request(GPIO_MMC_CD, "MMC_CD");
292 gpio_direction_input(GPIO_MMC_CD);
293 ret = !gpio_get_value(GPIO_MMC_CD);
295 case USDHC2_BASE_ADDR:
296 gpio_request(GPIO_MMC_CD, "SD_CD");
297 gpio_direction_input(GPIO_SD_CD);
298 ret = !gpio_get_value(GPIO_SD_CD);
305 int board_mmc_init(bd_t *bis)
307 struct src *psrc = (struct src *)SRC_BASE_ADDR;
308 unsigned reg = readl(&psrc->sbmr1) >> 11;
310 * Upon reading BOOT_CFG register the following map is done:
311 * Bit 11 and 12 of BOOT_CFG register can determine the current
320 imx_iomux_v3_setup_multiple_pads(
321 usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
322 usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
323 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
324 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
327 imx_iomux_v3_setup_multiple_pads(
328 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
329 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
330 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
331 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
334 imx_iomux_v3_setup_multiple_pads(
335 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
336 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
337 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
338 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
341 puts("MMC boot device not available");
344 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
346 #endif /* CONFIG_FSL_ESDHC & CONFIG_SPL_BUILD */
348 int board_phy_config(struct phy_device *phydev)
350 mx6_rgmii_rework(phydev);
351 if (phydev->drv->config)
352 phydev->drv->config(phydev);
357 int board_eth_init(bd_t *bis)
359 uint32_t base = IMX_FEC_BASE;
360 struct mii_dev *bus = NULL;
361 struct phy_device *phydev = NULL;
366 #ifdef CONFIG_FEC_MXC
367 bus = fec_get_miibus(base, -1);
371 bus->reset = reset_enet_phy;
372 /* scan PHY 4,5,6,7 */
373 phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
376 puts("no PHY found\n");
380 printf("using PHY at %d\n", phydev->addr);
381 ret = fec_probe(bis, -1, base, bus, phydev);
383 printf("FEC MXC: %s:failed\n", __func__);
387 #endif /* CONFIG_FEC_MXC */
392 static iomux_v3_cfg_t const pwr_intb_pads[] = {
394 * the bootrom sets the iomux to vselect, potentially connecting
395 * two outputs. Set this back to GPIO
397 MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)
400 #if defined(CONFIG_VIDEO_IPUV3)
402 static iomux_v3_cfg_t const backlight_pads[] = {
403 /* Backlight on RGB connector: J15 */
404 MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL) |
406 #define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13)
407 /* additional CPU pin on BKL_PWM, keep in tristate */
408 MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE),
409 /* Backlight PWM, used as GPIO in U-Boot */
410 MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL) |
412 #define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 10)
413 /* buffer output enable 0: buffer enabled */
414 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(WEAK_PULLUP) | MUX_MODE_SION,
415 #define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2)
416 /* PSAVE# integrated VDAC */
417 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL) |
419 #define VGA_PSAVE_NOT_GP IMX_GPIO_NR(6, 31)
422 static iomux_v3_cfg_t const rgb_pads[] = {
423 MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB),
424 MX6_PAD_EIM_DA10__IPU1_DI1_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB),
425 MX6_PAD_EIM_DA11__IPU1_DI1_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB),
426 MX6_PAD_EIM_DA12__IPU1_DI1_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB),
427 MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB),
428 MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB),
429 MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB),
430 MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB),
431 MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB),
432 MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB),
433 MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB),
434 MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB),
435 MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB),
436 MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB),
437 MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB),
438 MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB),
439 MX6_PAD_EIM_A17__IPU1_DISP1_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB),
440 MX6_PAD_EIM_A18__IPU1_DISP1_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB),
441 MX6_PAD_EIM_A19__IPU1_DISP1_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB),
442 MX6_PAD_EIM_A20__IPU1_DISP1_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB),
443 MX6_PAD_EIM_A21__IPU1_DISP1_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB),
444 MX6_PAD_EIM_A22__IPU1_DISP1_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB),
445 MX6_PAD_EIM_A23__IPU1_DISP1_DATA18 | MUX_PAD_CTRL(OUTPUT_RGB),
446 MX6_PAD_EIM_A24__IPU1_DISP1_DATA19 | MUX_PAD_CTRL(OUTPUT_RGB),
447 MX6_PAD_EIM_D26__IPU1_DISP1_DATA22 | MUX_PAD_CTRL(OUTPUT_RGB),
448 MX6_PAD_EIM_D27__IPU1_DISP1_DATA23 | MUX_PAD_CTRL(OUTPUT_RGB),
449 MX6_PAD_EIM_D30__IPU1_DISP1_DATA21 | MUX_PAD_CTRL(OUTPUT_RGB),
450 MX6_PAD_EIM_D31__IPU1_DISP1_DATA20 | MUX_PAD_CTRL(OUTPUT_RGB),
453 static void do_enable_hdmi(struct display_info_t const *dev)
455 imx_enable_hdmi_phy();
458 static void enable_lvds(struct display_info_t const *dev)
460 struct iomuxc *iomux = (struct iomuxc *)
462 u32 reg = readl(&iomux->gpr[2]);
463 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
464 writel(reg, &iomux->gpr[2]);
465 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
466 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
467 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
470 static void enable_rgb(struct display_info_t const *dev)
472 imx_iomux_v3_setup_multiple_pads(
474 ARRAY_SIZE(rgb_pads));
475 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
476 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
477 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
480 static int detect_default(struct display_info_t const *dev)
486 struct display_info_t const displays[] = {{
489 .pixfmt = IPU_PIX_FMT_RGB24,
490 .detect = detect_hdmi,
491 .enable = do_enable_hdmi,
505 .vmode = FB_VMODE_NONINTERLACED
510 .pixfmt = IPU_PIX_FMT_RGB24,
511 .detect = detect_default,
512 .enable = enable_rgb,
526 .vmode = FB_VMODE_NONINTERLACED
531 .pixfmt = IPU_PIX_FMT_RGB24,
532 .enable = enable_rgb,
546 .vmode = FB_VMODE_NONINTERLACED
550 .pixfmt = IPU_PIX_FMT_LVDS666,
551 .enable = enable_lvds,
553 .name = "wsvga-lvds",
565 .vmode = FB_VMODE_NONINTERLACED
567 size_t display_count = ARRAY_SIZE(displays);
569 static void setup_display(void)
571 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
572 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
577 /* Turn on LDB0,IPU,IPU DI0 clocks */
578 reg = __raw_readl(&mxc_ccm->CCGR3);
579 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
580 writel(reg, &mxc_ccm->CCGR3);
582 /* set LDB0, LDB1 clk select to 011/011 */
583 reg = readl(&mxc_ccm->cs2cdr);
584 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
585 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
586 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
587 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
588 writel(reg, &mxc_ccm->cs2cdr);
590 reg = readl(&mxc_ccm->cscmr2);
591 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
592 writel(reg, &mxc_ccm->cscmr2);
594 reg = readl(&mxc_ccm->chsccdr);
595 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
596 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
597 writel(reg, &mxc_ccm->chsccdr);
599 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
600 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
601 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
602 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
603 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
604 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
605 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
606 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
607 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
608 writel(reg, &iomux->gpr[2]);
610 reg = readl(&iomux->gpr[3]);
611 reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
612 |IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
613 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
614 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
615 writel(reg, &iomux->gpr[3]);
617 /* backlight unconditionally on for now */
618 imx_iomux_v3_setup_multiple_pads(backlight_pads,
619 ARRAY_SIZE(backlight_pads));
620 /* use 0 for EDT 7", use 1 for LG fullHD panel */
621 gpio_request(RGB_BACKLIGHTPWM_GP, "BKL1_PWM");
622 gpio_request(RGB_BACKLIGHTPWM_OE, "BKL1_PWM_EN");
623 gpio_request(RGB_BACKLIGHT_GP, "BKL1_ON");
624 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
625 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
626 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
630 * Backlight off before OS handover
632 void board_preboot_os(void)
634 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 1);
635 gpio_direction_output(RGB_BACKLIGHT_GP, 0);
637 #endif /* defined(CONFIG_VIDEO_IPUV3) */
639 int board_early_init_f(void)
641 imx_iomux_v3_setup_multiple_pads(pwr_intb_pads,
642 ARRAY_SIZE(pwr_intb_pads));
643 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0
644 setup_iomux_dte_uart();
646 setup_iomux_dce_uart();
652 * Do not overwrite the console
653 * Use always serial for U-Boot console
655 int overwrite_console(void)
662 /* address of boot parameters */
663 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
665 #if defined(CONFIG_VIDEO_IPUV3)
669 #ifdef CONFIG_TDX_CMD_IMX_MFGR
682 #ifdef CONFIG_BOARD_LATE_INIT
683 int board_late_init(void)
685 #if defined(CONFIG_REVISION_TAG) && \
686 defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
690 rev = get_board_rev();
691 snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev);
692 env_set("board_rev", env_str);
694 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0
695 if ((rev & 0xfff0) == 0x0100) {
698 /* reconfigure the UART to DCE mode dynamically if on V1.0 HW */
699 setup_iomux_dce_uart();
701 /* if using the default device tree, use version for V1.0 HW */
702 fdt_env = env_get("fdt_file");
703 if ((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) {
704 env_set("fdt_file", FDT_FILE_V1_0);
705 printf("patching fdt_file to " FDT_FILE_V1_0 "\n");
706 #ifndef CONFIG_ENV_IS_NOWHERE
711 #endif /* CONFIG_TDX_APALIS_IMX6_V1_0 */
712 #endif /* CONFIG_REVISION_TAG */
716 #endif /* CONFIG_BOARD_LATE_INIT */
723 switch (get_cpu_temp_grade(&minc, &maxc)) {
724 case TEMP_AUTOMOTIVE:
725 case TEMP_INDUSTRIAL:
727 case TEMP_EXTCOMMERCIAL:
731 printf("Model: Toradex Apalis iMX6 %s %s%s\n",
732 is_cpu_type(MXC_CPU_MX6D) ? "Dual" : "Quad",
733 (gd->ram_size == 0x80000000) ? "2GB" :
734 (gd->ram_size == 0x40000000) ? "1GB" : "512MB", it);
738 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
739 int ft_board_setup(void *blob, bd_t *bd)
741 return ft_common_board_setup(blob, bd);
745 #ifdef CONFIG_CMD_BMODE
746 static const struct boot_mode board_boot_modes[] = {
747 /* 4-bit bus width */
748 {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
749 {"sd", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
754 int misc_init_r(void)
756 #ifdef CONFIG_CMD_BMODE
757 add_board_boot_modes(board_boot_modes);
762 #ifdef CONFIG_LDO_BYPASS_CHECK
763 /* TODO, use external pmic, for now always ldo_enable */
764 void ldo_mode_set(int ldo_bypass)
770 #ifdef CONFIG_SPL_BUILD
772 #include <linux/libfdt.h>
773 #include "asm/arch/mx6q-ddr.h"
774 #include "asm/arch/iomux.h"
775 #include "asm/arch/crm_regs.h"
777 static int mx6_com_dcd_table[] = {
779 MX6_IOM_DRAM_SDQS0, 0x00000030,
780 MX6_IOM_DRAM_SDQS1, 0x00000030,
781 MX6_IOM_DRAM_SDQS2, 0x00000030,
782 MX6_IOM_DRAM_SDQS3, 0x00000030,
783 MX6_IOM_DRAM_SDQS4, 0x00000030,
784 MX6_IOM_DRAM_SDQS5, 0x00000030,
785 MX6_IOM_DRAM_SDQS6, 0x00000030,
786 MX6_IOM_DRAM_SDQS7, 0x00000030,
788 MX6_IOM_GRP_B0DS, 0x00000030,
789 MX6_IOM_GRP_B1DS, 0x00000030,
790 MX6_IOM_GRP_B2DS, 0x00000030,
791 MX6_IOM_GRP_B3DS, 0x00000030,
792 MX6_IOM_GRP_B4DS, 0x00000030,
793 MX6_IOM_GRP_B5DS, 0x00000030,
794 MX6_IOM_GRP_B6DS, 0x00000030,
795 MX6_IOM_GRP_B7DS, 0x00000030,
796 MX6_IOM_GRP_ADDDS, 0x00000030,
797 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
798 MX6_IOM_GRP_CTLDS, 0x00000030,
800 MX6_IOM_DRAM_DQM0, 0x00020030,
801 MX6_IOM_DRAM_DQM1, 0x00020030,
802 MX6_IOM_DRAM_DQM2, 0x00020030,
803 MX6_IOM_DRAM_DQM3, 0x00020030,
804 MX6_IOM_DRAM_DQM4, 0x00020030,
805 MX6_IOM_DRAM_DQM5, 0x00020030,
806 MX6_IOM_DRAM_DQM6, 0x00020030,
807 MX6_IOM_DRAM_DQM7, 0x00020030,
809 MX6_IOM_DRAM_CAS, 0x00020030,
810 MX6_IOM_DRAM_RAS, 0x00020030,
811 MX6_IOM_DRAM_SDCLK_0, 0x00020030,
812 MX6_IOM_DRAM_SDCLK_1, 0x00020030,
814 MX6_IOM_DRAM_RESET, 0x00020030,
815 MX6_IOM_DRAM_SDCKE0, 0x00003000,
816 MX6_IOM_DRAM_SDCKE1, 0x00003000,
818 MX6_IOM_DRAM_SDODT0, 0x00003030,
819 MX6_IOM_DRAM_SDODT1, 0x00003030,
821 /* (differential input) */
822 MX6_IOM_DDRMODE_CTL, 0x00020000,
823 /* (differential input) */
824 MX6_IOM_GRP_DDRMODE, 0x00020000,
825 /* disable ddr pullups */
826 MX6_IOM_GRP_DDRPKE, 0x00000000,
827 MX6_IOM_DRAM_SDBA2, 0x00000000,
828 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
829 MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
831 /* Read data DQ Byte0-3 delay */
832 MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
833 MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
834 MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
835 MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
836 MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
837 MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
838 MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
839 MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
842 * MDMISC mirroring interleaved (row/bank/col)
844 MX6_MMDC_P0_MDMISC, 0x00081740,
849 MX6_MMDC_P0_MDSCR, 0x00008000,
851 /* 1066mhz_4x128mx16.cfg */
853 MX6_MMDC_P0_MDPDC, 0x00020036,
854 MX6_MMDC_P0_MDCFG0, 0x555A7954,
855 MX6_MMDC_P0_MDCFG1, 0xDB328F64,
856 MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
857 MX6_MMDC_P0_MDRWD, 0x000026D2,
858 MX6_MMDC_P0_MDOR, 0x005A1023,
859 MX6_MMDC_P0_MDOTC, 0x09555050,
860 MX6_MMDC_P0_MDPDC, 0x00025576,
861 MX6_MMDC_P0_MDASP, 0x00000027,
862 MX6_MMDC_P0_MDCTL, 0x831A0000,
863 MX6_MMDC_P0_MDSCR, 0x04088032,
864 MX6_MMDC_P0_MDSCR, 0x00008033,
865 MX6_MMDC_P0_MDSCR, 0x00428031,
866 MX6_MMDC_P0_MDSCR, 0x19308030,
867 MX6_MMDC_P0_MDSCR, 0x04008040,
868 MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
869 MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
870 MX6_MMDC_P0_MDREF, 0x00005800,
871 MX6_MMDC_P0_MPODTCTRL, 0x00000000,
872 MX6_MMDC_P1_MPODTCTRL, 0x00000000,
874 MX6_MMDC_P0_MPDGCTRL0, 0x432A0338,
875 MX6_MMDC_P0_MPDGCTRL1, 0x03260324,
876 MX6_MMDC_P1_MPDGCTRL0, 0x43340344,
877 MX6_MMDC_P1_MPDGCTRL1, 0x031E027C,
879 MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E,
880 MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37,
882 MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C,
883 MX6_MMDC_P1_MPWRDLCTL, 0x4336453F,
885 MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
886 MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
887 MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
888 MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
890 MX6_MMDC_P0_MPMUR0, 0x00000800,
891 MX6_MMDC_P1_MPMUR0, 0x00000800,
892 MX6_MMDC_P0_MDSCR, 0x00000000,
893 MX6_MMDC_P0_MAPSR, 0x00011006,
896 static int mx6_it_dcd_table[] = {
898 MX6_IOM_DRAM_SDQS0, 0x00000030,
899 MX6_IOM_DRAM_SDQS1, 0x00000030,
900 MX6_IOM_DRAM_SDQS2, 0x00000030,
901 MX6_IOM_DRAM_SDQS3, 0x00000030,
902 MX6_IOM_DRAM_SDQS4, 0x00000030,
903 MX6_IOM_DRAM_SDQS5, 0x00000030,
904 MX6_IOM_DRAM_SDQS6, 0x00000030,
905 MX6_IOM_DRAM_SDQS7, 0x00000030,
907 MX6_IOM_GRP_B0DS, 0x00000030,
908 MX6_IOM_GRP_B1DS, 0x00000030,
909 MX6_IOM_GRP_B2DS, 0x00000030,
910 MX6_IOM_GRP_B3DS, 0x00000030,
911 MX6_IOM_GRP_B4DS, 0x00000030,
912 MX6_IOM_GRP_B5DS, 0x00000030,
913 MX6_IOM_GRP_B6DS, 0x00000030,
914 MX6_IOM_GRP_B7DS, 0x00000030,
915 MX6_IOM_GRP_ADDDS, 0x00000030,
916 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
917 MX6_IOM_GRP_CTLDS, 0x00000030,
919 MX6_IOM_DRAM_DQM0, 0x00020030,
920 MX6_IOM_DRAM_DQM1, 0x00020030,
921 MX6_IOM_DRAM_DQM2, 0x00020030,
922 MX6_IOM_DRAM_DQM3, 0x00020030,
923 MX6_IOM_DRAM_DQM4, 0x00020030,
924 MX6_IOM_DRAM_DQM5, 0x00020030,
925 MX6_IOM_DRAM_DQM6, 0x00020030,
926 MX6_IOM_DRAM_DQM7, 0x00020030,
928 MX6_IOM_DRAM_CAS, 0x00020030,
929 MX6_IOM_DRAM_RAS, 0x00020030,
930 MX6_IOM_DRAM_SDCLK_0, 0x00020030,
931 MX6_IOM_DRAM_SDCLK_1, 0x00020030,
933 MX6_IOM_DRAM_RESET, 0x00020030,
934 MX6_IOM_DRAM_SDCKE0, 0x00003000,
935 MX6_IOM_DRAM_SDCKE1, 0x00003000,
937 MX6_IOM_DRAM_SDODT0, 0x00003030,
938 MX6_IOM_DRAM_SDODT1, 0x00003030,
940 /* (differential input) */
941 MX6_IOM_DDRMODE_CTL, 0x00020000,
942 /* (differential input) */
943 MX6_IOM_GRP_DDRMODE, 0x00020000,
944 /* disable ddr pullups */
945 MX6_IOM_GRP_DDRPKE, 0x00000000,
946 MX6_IOM_DRAM_SDBA2, 0x00000000,
947 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
948 MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
950 /* Read data DQ Byte0-3 delay */
951 MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
952 MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
953 MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
954 MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
955 MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
956 MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
957 MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
958 MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
961 * MDMISC mirroring interleaved (row/bank/col)
963 MX6_MMDC_P0_MDMISC, 0x00081740,
968 MX6_MMDC_P0_MDSCR, 0x00008000,
970 /* 1066mhz_4x256mx16.cfg */
972 MX6_MMDC_P0_MDPDC, 0x00020036,
973 MX6_MMDC_P0_MDCFG0, 0x898E78f5,
974 MX6_MMDC_P0_MDCFG1, 0xff328f64,
975 MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
976 MX6_MMDC_P0_MDRWD, 0x000026D2,
977 MX6_MMDC_P0_MDOR, 0x008E1023,
978 MX6_MMDC_P0_MDOTC, 0x09444040,
979 MX6_MMDC_P0_MDPDC, 0x00025576,
980 MX6_MMDC_P0_MDASP, 0x00000047,
981 MX6_MMDC_P0_MDCTL, 0x841A0000,
982 MX6_MMDC_P0_MDSCR, 0x02888032,
983 MX6_MMDC_P0_MDSCR, 0x00008033,
984 MX6_MMDC_P0_MDSCR, 0x00048031,
985 MX6_MMDC_P0_MDSCR, 0x19408030,
986 MX6_MMDC_P0_MDSCR, 0x04008040,
987 MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
988 MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
989 MX6_MMDC_P0_MDREF, 0x00007800,
990 MX6_MMDC_P0_MPODTCTRL, 0x00022227,
991 MX6_MMDC_P1_MPODTCTRL, 0x00022227,
993 MX6_MMDC_P0_MPDGCTRL0, 0x03300338,
994 MX6_MMDC_P0_MPDGCTRL1, 0x03240324,
995 MX6_MMDC_P1_MPDGCTRL0, 0x03440350,
996 MX6_MMDC_P1_MPDGCTRL1, 0x032C0308,
998 MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E,
999 MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46,
1001 MX6_MMDC_P0_MPWRDLCTL, 0x403E463E,
1002 MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46,
1004 MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
1005 MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
1006 MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
1007 MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
1009 MX6_MMDC_P0_MPMUR0, 0x00000800,
1010 MX6_MMDC_P1_MPMUR0, 0x00000800,
1011 MX6_MMDC_P0_MDSCR, 0x00000000,
1012 MX6_MMDC_P0_MAPSR, 0x00011006,
1015 static void ccgr_init(void)
1017 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
1019 writel(0x00C03F3F, &ccm->CCGR0);
1020 writel(0x0030FC03, &ccm->CCGR1);
1021 writel(0x0FFFFFF3, &ccm->CCGR2);
1022 writel(0x3FF0300F, &ccm->CCGR3);
1023 writel(0x00FFF300, &ccm->CCGR4);
1024 writel(0x0F0000F3, &ccm->CCGR5);
1025 writel(0x000003FF, &ccm->CCGR6);
1028 * Setup CCM_CCOSR register as follows:
1030 * cko1_en = 1 --> CKO1 enabled
1031 * cko1_div = 111 --> divide by 8
1032 * cko1_sel = 1011 --> ahb_clk_root
1034 * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
1036 writel(0x000000FB, &ccm->ccosr);
1039 static void ddr_init(int *table, int size)
1043 for (i = 0; i < size / 2 ; i++)
1044 writel(table[2 * i + 1], table[2 * i]);
1047 static void spl_dram_init(void)
1051 switch (get_cpu_temp_grade(&minc, &maxc)) {
1052 case TEMP_COMMERCIAL:
1053 case TEMP_EXTCOMMERCIAL:
1054 puts("Commercial temperature grade DDR3 timings.\n");
1055 ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table));
1057 case TEMP_INDUSTRIAL:
1058 case TEMP_AUTOMOTIVE:
1060 puts("Industrial temperature grade DDR3 timings.\n");
1061 ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_dcd_table));
1067 void board_init_f(ulong dummy)
1069 /* setup AIPS and disable watchdog */
1076 board_early_init_f();
1078 /* setup GP timer */
1081 /* UART clocks enabled and gd valid - init serial console */
1082 preloader_console_init();
1084 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0
1085 /* Make sure we use dte mode */
1086 setup_dtemode_uart();
1089 /* DDR initialization */
1092 /* Clear the BSS. */
1093 memset(__bss_start, 0, __bss_end - __bss_start);
1095 /* load/boot image from boot device */
1096 board_init_r(NULL, 0);
1099 void reset_cpu(ulong addr)
1103 #endif /* CONFIG_SPL_BUILD */
1105 static struct mxc_serial_platdata mxc_serial_plat = {
1106 .reg = (struct mxc_uart *)UART1_BASE,
1110 U_BOOT_DEVICE(mxc_serial) = {
1111 .name = "serial_mxc",
1112 .platdata = &mxc_serial_plat,
1115 #if CONFIG_IS_ENABLED(AHCI)
1116 static int sata_imx_probe(struct udevice *dev)
1120 for (i = 0; i < APALIS_IMX6_SATA_INIT_RETRIES; i++) {
1123 printf("SATA setup failed: %d\n", err);
1129 err = dwc_ahsata_probe(dev);
1133 /* There is no device on the SATA port */
1134 if (sata_dm_port_status(0, 0) == 0)
1137 /* There's a device, but link not established. Retry */
1138 device_remove(dev, DM_REMOVE_NORMAL);
1144 struct ahci_ops sata_imx_ops = {
1145 .port_status = dwc_ahsata_port_status,
1146 .reset = dwc_ahsata_bus_reset,
1147 .scan = dwc_ahsata_scan,
1150 static const struct udevice_id sata_imx_ids[] = {
1151 { .compatible = "fsl,imx6q-ahci" },
1155 U_BOOT_DRIVER(sata_imx) = {
1158 .of_match = sata_imx_ids,
1159 .ops = &sata_imx_ops,
1160 .probe = sata_imx_probe,