2 * Copyright (C) 2012 Freescale Semiconductor, Inc.
4 * Author: Fabio Estevam <fabio.estevam@freescale.com>
6 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/clock.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/mx6-pins.h>
13 #include <asm/errno.h>
15 #include <asm/imx-common/mxc_i2c.h>
16 #include <asm/imx-common/iomux-v3.h>
17 #include <asm/imx-common/boot_mode.h>
18 #include <asm/imx-common/video.h>
20 #include <fsl_esdhc.h>
23 #include <asm/arch/mxc_hdmi.h>
24 #include <asm/arch/crm_regs.h>
26 #include <asm/arch/sys_proto.h>
28 #include <power/pmic.h>
29 #include <power/pfuze100_pmic.h>
30 #include "../common/pfuze.h"
31 #include <asm/arch/mx6-ddr.h>
34 DECLARE_GLOBAL_DATA_PTR;
36 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
37 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
38 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
40 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
41 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
42 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
44 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
45 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
47 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
48 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
50 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
51 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
52 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
56 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
58 #define DISP0_PWR_EN IMX_GPIO_NR(1, 21)
62 gd->ram_size = imx_ddr_size();
66 static iomux_v3_cfg_t const uart1_pads[] = {
67 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
68 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
71 static iomux_v3_cfg_t const enet_pads[] = {
72 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
73 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
74 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
75 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
76 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
77 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
78 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
79 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
80 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
81 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
82 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
83 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
85 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
86 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
87 /* AR8031 PHY Reset */
88 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
91 static void setup_iomux_enet(void)
93 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
95 /* Reset AR8031 PHY */
96 gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
98 gpio_set_value(IMX_GPIO_NR(1, 25), 1);
102 static iomux_v3_cfg_t const usdhc2_pads[] = {
103 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
104 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
105 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
106 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
107 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
108 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
109 MX6_PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
110 MX6_PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
111 MX6_PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
112 MX6_PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
113 MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
116 static iomux_v3_cfg_t const usdhc3_pads[] = {
117 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
118 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
119 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
120 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
121 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
122 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
130 static iomux_v3_cfg_t const usdhc4_pads[] = {
131 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
134 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
135 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
136 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
143 static iomux_v3_cfg_t const ecspi1_pads[] = {
144 MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
145 MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
146 MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
147 MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
150 static iomux_v3_cfg_t const rgb_pads[] = {
151 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
152 MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL),
153 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL),
154 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL),
155 MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL),
156 MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
157 MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
158 MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
159 MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
160 MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
161 MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
162 MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
163 MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
164 MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL),
165 MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL),
166 MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL),
167 MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL),
168 MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL),
169 MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL),
170 MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL),
171 MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL),
172 MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL),
173 MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL),
174 MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL),
175 MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL),
176 MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL),
177 MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL),
178 MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL),
179 MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL),
180 MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL),
183 static void enable_rgb(struct display_info_t const *dev)
185 imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
186 gpio_direction_output(DISP0_PWR_EN, 1);
189 static struct i2c_pads_info i2c_pad_info1 = {
191 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
192 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
193 .gp = IMX_GPIO_NR(4, 12)
196 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
197 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
198 .gp = IMX_GPIO_NR(4, 13)
202 static void setup_spi(void)
204 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
207 iomux_v3_cfg_t const pcie_pads[] = {
208 MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */
209 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */
212 static void setup_pcie(void)
214 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
217 iomux_v3_cfg_t const di0_pads[] = {
218 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* DISP0_CLK */
219 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* DISP0_HSYNC */
220 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* DISP0_VSYNC */
223 static void setup_iomux_uart(void)
225 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
228 #ifdef CONFIG_FSL_ESDHC
229 struct fsl_esdhc_cfg usdhc_cfg[3] = {
235 #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2)
236 #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0)
238 int board_mmc_getcd(struct mmc *mmc)
240 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
243 switch (cfg->esdhc_base) {
244 case USDHC2_BASE_ADDR:
245 ret = !gpio_get_value(USDHC2_CD_GPIO);
247 case USDHC3_BASE_ADDR:
248 ret = !gpio_get_value(USDHC3_CD_GPIO);
250 case USDHC4_BASE_ADDR:
251 ret = 1; /* eMMC/uSDHC4 is always present */
258 int board_mmc_init(bd_t *bis)
260 #ifndef CONFIG_SPL_BUILD
265 * According to the board_mmc_init() the following map is done:
266 * (U-boot device node) (Physical Port)
271 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
274 imx_iomux_v3_setup_multiple_pads(
275 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
276 gpio_direction_input(USDHC2_CD_GPIO);
277 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
280 imx_iomux_v3_setup_multiple_pads(
281 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
282 gpio_direction_input(USDHC3_CD_GPIO);
283 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
286 imx_iomux_v3_setup_multiple_pads(
287 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
288 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
291 printf("Warning: you configured more USDHC controllers"
292 "(%d) then supported by the board (%d)\n",
293 i + 1, CONFIG_SYS_FSL_USDHC_NUM);
297 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
304 struct src *psrc = (struct src *)SRC_BASE_ADDR;
305 unsigned reg = readl(&psrc->sbmr1) >> 11;
307 * Upon reading BOOT_CFG register the following map is done:
308 * Bit 11 and 12 of BOOT_CFG register can determine the current
317 imx_iomux_v3_setup_multiple_pads(
318 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
319 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
320 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
321 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
324 imx_iomux_v3_setup_multiple_pads(
325 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
326 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
327 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
328 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
331 imx_iomux_v3_setup_multiple_pads(
332 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
333 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
334 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
335 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
339 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
344 #if defined(CONFIG_VIDEO_IPUV3)
345 static void disable_lvds(struct display_info_t const *dev)
347 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
349 int reg = readl(&iomux->gpr[2]);
351 reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
352 IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
354 writel(reg, &iomux->gpr[2]);
357 static void do_enable_hdmi(struct display_info_t const *dev)
360 imx_enable_hdmi_phy();
363 static void enable_lvds(struct display_info_t const *dev)
365 struct iomuxc *iomux = (struct iomuxc *)
367 u32 reg = readl(&iomux->gpr[2]);
368 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
369 IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT;
370 writel(reg, &iomux->gpr[2]);
373 struct display_info_t const displays[] = {{
376 .pixfmt = IPU_PIX_FMT_RGB666,
378 .enable = enable_lvds,
380 .name = "Hannstar-XGA",
392 .vmode = FB_VMODE_NONINTERLACED
396 .pixfmt = IPU_PIX_FMT_RGB24,
397 .detect = detect_hdmi,
398 .enable = do_enable_hdmi,
412 .vmode = FB_VMODE_NONINTERLACED
416 .pixfmt = IPU_PIX_FMT_RGB24,
418 .enable = enable_rgb,
420 .name = "SEIKO-WVGA",
432 .vmode = FB_VMODE_NONINTERLACED
434 size_t display_count = ARRAY_SIZE(displays);
436 static void setup_display(void)
438 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
439 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
442 /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
443 imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));
448 /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
449 reg = readl(&mxc_ccm->CCGR3);
450 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
451 writel(reg, &mxc_ccm->CCGR3);
453 /* set LDB0, LDB1 clk select to 011/011 */
454 reg = readl(&mxc_ccm->cs2cdr);
455 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
456 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
457 reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
458 | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
459 writel(reg, &mxc_ccm->cs2cdr);
461 reg = readl(&mxc_ccm->cscmr2);
462 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
463 writel(reg, &mxc_ccm->cscmr2);
465 reg = readl(&mxc_ccm->chsccdr);
466 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
467 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
468 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
469 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
470 writel(reg, &mxc_ccm->chsccdr);
472 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
473 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
474 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
475 | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
476 | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
477 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
478 | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
479 | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
480 | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
481 writel(reg, &iomux->gpr[2]);
483 reg = readl(&iomux->gpr[3]);
484 reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
485 | IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
486 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
487 << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
488 writel(reg, &iomux->gpr[3]);
490 #endif /* CONFIG_VIDEO_IPUV3 */
493 * Do not overwrite the console
494 * Use always serial for U-Boot console
496 int overwrite_console(void)
501 int board_eth_init(bd_t *bis)
506 return cpu_eth_init(bis);
509 #ifdef CONFIG_USB_EHCI_MX6
510 #define USB_OTHERREGS_OFFSET 0x800
511 #define UCTRL_PWR_POL (1 << 9)
513 static iomux_v3_cfg_t const usb_otg_pads[] = {
514 MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
515 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
518 static iomux_v3_cfg_t const usb_hc1_pads[] = {
519 MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
522 static void setup_usb(void)
524 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
525 ARRAY_SIZE(usb_otg_pads));
528 * set daisy chain for otg_pin_id on 6q.
529 * for 6dl, this bit is reserved
531 imx_iomux_set_gpr_register(1, 13, 1, 0);
533 imx_iomux_v3_setup_multiple_pads(usb_hc1_pads,
534 ARRAY_SIZE(usb_hc1_pads));
537 int board_ehci_hcd_init(int port)
544 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
547 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
552 int board_ehci_power(int port, int on)
559 gpio_direction_output(IMX_GPIO_NR(1, 29), 1);
561 gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
564 printf("MXC USB port %d not yet supported\n", port);
572 int board_early_init_f(void)
575 #if defined(CONFIG_VIDEO_IPUV3)
584 /* address of boot parameters */
585 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
587 #ifdef CONFIG_MXC_SPI
590 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
592 #ifdef CONFIG_USB_EHCI_MX6
599 int power_init_board(void)
605 p = pfuze_common_init(I2C_PMIC);
609 ret = pfuze_mode_init(p, APS_PFM);
613 /* Increase VGEN3 from 2.5 to 2.8V */
614 pmic_reg_read(p, PFUZE100_VGEN3VOL, ®);
615 reg &= ~LDO_VOL_MASK;
617 pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
619 /* Increase VGEN5 from 2.8 to 3V */
620 pmic_reg_read(p, PFUZE100_VGEN5VOL, ®);
621 reg &= ~LDO_VOL_MASK;
623 pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
628 #ifdef CONFIG_MXC_SPI
629 int board_spi_cs_gpio(unsigned bus, unsigned cs)
631 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
635 #ifdef CONFIG_CMD_BMODE
636 static const struct boot_mode board_boot_modes[] = {
637 /* 4 bit bus width */
638 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
639 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
640 /* 8 bit bus width */
641 {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
646 int board_late_init(void)
648 #ifdef CONFIG_CMD_BMODE
649 add_board_boot_modes(board_boot_modes);
652 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
653 setenv("board_name", "SABRESD");
656 setenv("board_rev", "MX6QP");
657 else if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
658 setenv("board_rev", "MX6Q");
659 else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
660 setenv("board_rev", "MX6DL");
668 puts("Board: MX6-SabreSD\n");
672 #ifdef CONFIG_SPL_BUILD
676 const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
677 .dram_sdclk_0 = 0x00020030,
678 .dram_sdclk_1 = 0x00020030,
679 .dram_cas = 0x00020030,
680 .dram_ras = 0x00020030,
681 .dram_reset = 0x00020030,
682 .dram_sdcke0 = 0x00003000,
683 .dram_sdcke1 = 0x00003000,
684 .dram_sdba2 = 0x00000000,
685 .dram_sdodt0 = 0x00003030,
686 .dram_sdodt1 = 0x00003030,
687 .dram_sdqs0 = 0x00000030,
688 .dram_sdqs1 = 0x00000030,
689 .dram_sdqs2 = 0x00000030,
690 .dram_sdqs3 = 0x00000030,
691 .dram_sdqs4 = 0x00000030,
692 .dram_sdqs5 = 0x00000030,
693 .dram_sdqs6 = 0x00000030,
694 .dram_sdqs7 = 0x00000030,
695 .dram_dqm0 = 0x00020030,
696 .dram_dqm1 = 0x00020030,
697 .dram_dqm2 = 0x00020030,
698 .dram_dqm3 = 0x00020030,
699 .dram_dqm4 = 0x00020030,
700 .dram_dqm5 = 0x00020030,
701 .dram_dqm6 = 0x00020030,
702 .dram_dqm7 = 0x00020030,
705 const struct mx6dq_iomux_ddr_regs mx6dqp_ddr_ioregs = {
706 .dram_sdclk_0 = 0x00000030,
707 .dram_sdclk_1 = 0x00000030,
708 .dram_cas = 0x00000030,
709 .dram_ras = 0x00000030,
710 .dram_reset = 0x00000030,
711 .dram_sdcke0 = 0x00003000,
712 .dram_sdcke1 = 0x00003000,
713 .dram_sdba2 = 0x00000000,
714 .dram_sdodt0 = 0x00003030,
715 .dram_sdodt1 = 0x00003030,
716 .dram_sdqs0 = 0x00000030,
717 .dram_sdqs1 = 0x00000030,
718 .dram_sdqs2 = 0x00000030,
719 .dram_sdqs3 = 0x00000030,
720 .dram_sdqs4 = 0x00000030,
721 .dram_sdqs5 = 0x00000030,
722 .dram_sdqs6 = 0x00000030,
723 .dram_sdqs7 = 0x00000030,
724 .dram_dqm0 = 0x00000030,
725 .dram_dqm1 = 0x00000030,
726 .dram_dqm2 = 0x00000030,
727 .dram_dqm3 = 0x00000030,
728 .dram_dqm4 = 0x00000030,
729 .dram_dqm5 = 0x00000030,
730 .dram_dqm6 = 0x00000030,
731 .dram_dqm7 = 0x00000030,
734 const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
735 .grp_ddr_type = 0x000C0000,
736 .grp_ddrmode_ctl = 0x00020000,
737 .grp_ddrpke = 0x00000000,
738 .grp_addds = 0x00000030,
739 .grp_ctlds = 0x00000030,
740 .grp_ddrmode = 0x00020000,
741 .grp_b0ds = 0x00000030,
742 .grp_b1ds = 0x00000030,
743 .grp_b2ds = 0x00000030,
744 .grp_b3ds = 0x00000030,
745 .grp_b4ds = 0x00000030,
746 .grp_b5ds = 0x00000030,
747 .grp_b6ds = 0x00000030,
748 .grp_b7ds = 0x00000030,
751 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
752 .p0_mpwldectrl0 = 0x001F001F,
753 .p0_mpwldectrl1 = 0x001F001F,
754 .p1_mpwldectrl0 = 0x00440044,
755 .p1_mpwldectrl1 = 0x00440044,
756 .p0_mpdgctrl0 = 0x434B0350,
757 .p0_mpdgctrl1 = 0x034C0359,
758 .p1_mpdgctrl0 = 0x434B0350,
759 .p1_mpdgctrl1 = 0x03650348,
760 .p0_mprddlctl = 0x4436383B,
761 .p1_mprddlctl = 0x39393341,
762 .p0_mpwrdlctl = 0x35373933,
763 .p1_mpwrdlctl = 0x48254A36,
766 const struct mx6_mmdc_calibration mx6dqp_mmcd_calib = {
767 .p0_mpwldectrl0 = 0x001B001E,
768 .p0_mpwldectrl1 = 0x002E0029,
769 .p1_mpwldectrl0 = 0x001B002A,
770 .p1_mpwldectrl1 = 0x0019002C,
771 .p0_mpdgctrl0 = 0x43240334,
772 .p0_mpdgctrl1 = 0x0324031A,
773 .p1_mpdgctrl0 = 0x43340344,
774 .p1_mpdgctrl1 = 0x03280276,
775 .p0_mprddlctl = 0x44383A3E,
776 .p1_mprddlctl = 0x3C3C3846,
777 .p0_mpwrdlctl = 0x2E303230,
778 .p1_mpwrdlctl = 0x38283E34,
781 /* MT41K128M16JT-125 */
782 static struct mx6_ddr3_cfg mem_ddr = {
795 static void ccgr_init(void)
797 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
799 writel(0x00C03F3F, &ccm->CCGR0);
800 writel(0x0030FC03, &ccm->CCGR1);
801 writel(0x0FFFC000, &ccm->CCGR2);
802 writel(0x3FF00000, &ccm->CCGR3);
803 writel(0x00FFF300, &ccm->CCGR4);
804 writel(0x0F0000C3, &ccm->CCGR5);
805 writel(0x000003FF, &ccm->CCGR6);
808 static void gpr_init(void)
810 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
812 /* enable AXI cache for VDOA/VPU/IPU */
813 writel(0xF00000CF, &iomux->gpr[4]);
815 /* set IPU AXI-id1 Qos=0x1 AXI-id0/2/3 Qos=0x7 */
816 writel(0x007F007F, &iomux->gpr[6]);
817 writel(0x007F007F, &iomux->gpr[7]);
819 /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
820 writel(0x007F007F, &iomux->gpr[6]);
821 writel(0x007F007F, &iomux->gpr[7]);
826 * This section requires the differentiation between iMX6 Sabre boards, but
827 * for now, it will configure only for the mx6q variant.
829 static void spl_dram_init(void)
831 struct mx6_ddr_sysinfo sysinfo = {
832 /* width of data bus:0=16,1=32,2=64 */
834 /* config for full 4GB range so that get_mem_size() works */
835 .cs_density = 32, /* 32Gb per CS */
836 /* single chip select */
839 .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */
840 .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */
841 .walat = 1, /* Write additional latency */
842 .ralat = 5, /* Read additional latency */
843 .mif3_mode = 3, /* Command prediction working mode */
844 .bi_on = 1, /* Bank interleaving enabled */
845 .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
846 .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
847 .ddr_type = DDR_TYPE_DDR3,
851 mx6dq_dram_iocfg(64, &mx6dqp_ddr_ioregs, &mx6_grp_ioregs);
852 mx6_dram_cfg(&sysinfo, &mx6dqp_mmcd_calib, &mem_ddr);
854 mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs);
855 mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
859 void board_init_f(ulong dummy)
861 /* setup AIPS and disable watchdog */
867 /* iomux and setup of i2c */
868 board_early_init_f();
873 /* UART clocks enabled and gd valid - init serial console */
874 preloader_console_init();
876 /* DDR initialization */
880 memset(__bss_start, 0, __bss_end - __bss_start);
882 /* load/boot image from boot device */
883 board_init_r(NULL, 0);