2 * (C) Copyright 2009 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/arch/imx-regs.h>
27 #include <asm/arch/mx5x_pins.h>
28 #include <asm/arch/iomux.h>
29 #include <asm/errno.h>
30 #include <asm/arch/sys_proto.h>
31 #include <asm/arch/crm_regs.h>
32 #include <asm/arch/clock.h>
33 #include <asm/imx-common/mx5_video.h>
36 #include <fsl_esdhc.h>
37 #include <power/pmic.h>
40 #include <usb/ehci-fsl.h>
42 DECLARE_GLOBAL_DATA_PTR;
44 #ifdef CONFIG_FSL_ESDHC
45 struct fsl_esdhc_cfg esdhc_cfg[2] = {
46 {MMC_SDHC1_BASE_ADDR},
47 {MMC_SDHC2_BASE_ADDR},
53 /* dram_init must store complete ramsize in gd->ram_size */
54 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
59 u32 get_board_rev(void)
61 u32 rev = get_cpu_rev();
62 if (!gpio_get_value(IMX_GPIO_NR(1, 22)))
63 rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET;
67 static void setup_iomux_uart(void)
69 unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
70 PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
72 mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
73 mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
74 mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
75 mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
76 mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
77 mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
78 mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
79 mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
82 static void setup_iomux_fec(void)
85 mxc_request_iomux(MX51_PIN_EIM_EB2 , IOMUX_CONFIG_ALT3);
86 mxc_iomux_set_pad(MX51_PIN_EIM_EB2 , 0x1FD);
89 mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT2);
90 mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, 0x2004);
93 mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT3);
94 mxc_iomux_set_pad(MX51_PIN_EIM_CS3, 0x180);
97 mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT3);
98 mxc_iomux_set_pad(MX51_PIN_EIM_CS2, 0x180);
101 mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT3);
102 mxc_iomux_set_pad(MX51_PIN_EIM_EB3, 0x180);
105 mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT2);
106 mxc_iomux_set_pad(MX51_PIN_NANDF_D9, 0x2180);
109 mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT2);
110 mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, 0x2004);
113 mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT2);
114 mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, 0x2004);
117 mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT2);
118 mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, 0x2004);
121 mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT2);
122 mxc_iomux_set_pad(MX51_PIN_NANDF_D8, 0x2004);
125 mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT1);
126 mxc_iomux_set_pad(MX51_PIN_NANDF_CS7, 0x2004);
129 mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT2);
130 mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, 0x2004);
133 mxc_request_iomux(MX51_PIN_NANDF_RDY_INT, IOMUX_CONFIG_ALT1);
134 mxc_iomux_set_pad(MX51_PIN_NANDF_RDY_INT, 0x2180);
137 mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT1);
138 mxc_iomux_set_pad(MX51_PIN_NANDF_RB2, 0x2180);
141 mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT1);
142 mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, 0x2180);
145 mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT3);
146 mxc_iomux_set_pad(MX51_PIN_EIM_CS5, 0x180);
149 mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT3);
150 mxc_iomux_set_pad(MX51_PIN_EIM_CS4, 0x180);
153 mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT2);
154 mxc_iomux_set_pad(MX51_PIN_NANDF_D11, 0x2180);
157 #ifdef CONFIG_MXC_SPI
158 static void setup_iomux_spi(void)
160 /* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
161 mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
162 mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI, 0x105);
164 /* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
165 mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
166 mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO, 0x105);
168 /* de-select SS1 of instance: ecspi1. */
169 mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3);
170 mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85);
172 /* 000: Select mux mode: ALT0 mux port: SS0 ecspi1 */
173 mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0);
174 mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185);
176 /* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */
177 mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
178 mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180);
180 /* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
181 mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
182 mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK, 0x105);
186 #ifdef CONFIG_USB_EHCI_MX5
187 #define MX51EVK_USBH1_HUB_RST IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */
188 #define MX51EVK_USBH1_STP IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */
189 #define MX51EVK_USB_CLK_EN_B IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */
190 #define MX51EVK_USB_PHY_RESET IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */
192 #define USBH1_PAD (PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | \
193 PAD_CTL_100K_PU | PAD_CTL_PUE_PULL | \
194 PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE)
195 #define GPIO_PAD (PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE | \
197 #define NO_PAD (1 << 16)
199 static void setup_usb_h1(void)
201 setup_iomux_usb_h1();
203 /* GPIO_1_7 for USBH1 hub reset */
204 mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0);
205 mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD);
208 mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1);
209 mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD);
211 /* GPIO_2_5 for USB PHY reset */
212 mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1);
213 mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD);
216 int board_ehci_hcd_init(int port)
218 /* Set USBH1_STP to GPIO and toggle it */
219 mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO);
220 mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
222 gpio_direction_output(MX51EVK_USBH1_STP, 0);
223 gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
225 gpio_set_value(MX51EVK_USBH1_STP, 1);
227 /* Set back USBH1_STP to be function */
228 mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
229 mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
231 /* De-assert USB PHY RESETB */
232 gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
234 /* Drive USB_CLK_EN_B line low */
235 gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
238 gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
240 gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
245 static void power_init(void)
248 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
252 ret = pmic_init(I2C_PMIC);
256 p = pmic_get("FSL_PMIC");
260 /* Write needed to Power Gate 2 register */
261 pmic_reg_read(p, REG_POWER_MISC, &val);
263 pmic_reg_write(p, REG_POWER_MISC, val);
265 /* Externally powered */
266 pmic_reg_read(p, REG_CHARGE, &val);
267 val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
268 pmic_reg_write(p, REG_CHARGE, val);
270 /* power up the system first */
271 pmic_reg_write(p, REG_POWER_MISC, PWUP);
273 /* Set core voltage to 1.1V */
274 pmic_reg_read(p, REG_SW_0, &val);
275 val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
276 pmic_reg_write(p, REG_SW_0, val);
278 /* Setup VCC (SW2) to 1.25 */
279 pmic_reg_read(p, REG_SW_1, &val);
280 val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
281 pmic_reg_write(p, REG_SW_1, val);
283 /* Setup 1V2_DIG1 (SW3) to 1.25 */
284 pmic_reg_read(p, REG_SW_2, &val);
285 val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
286 pmic_reg_write(p, REG_SW_2, val);
289 /* Raise the core frequency to 800MHz */
290 writel(0x0, &mxc_ccm->cacrr);
292 /* Set switchers in Auto in NORMAL mode & STANDBY mode */
293 /* Setup the switcher mode for SW1 & SW2*/
294 pmic_reg_read(p, REG_SW_4, &val);
295 val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
296 (SWMODE_MASK << SWMODE2_SHIFT)));
297 val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
298 (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
299 pmic_reg_write(p, REG_SW_4, val);
301 /* Setup the switcher mode for SW3 & SW4 */
302 pmic_reg_read(p, REG_SW_5, &val);
303 val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
304 (SWMODE_MASK << SWMODE4_SHIFT)));
305 val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
306 (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
307 pmic_reg_write(p, REG_SW_5, val);
309 /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
310 pmic_reg_read(p, REG_SETTING_0, &val);
311 val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
312 val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
313 pmic_reg_write(p, REG_SETTING_0, val);
315 /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
316 pmic_reg_read(p, REG_SETTING_1, &val);
317 val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
318 val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
319 pmic_reg_write(p, REG_SETTING_1, val);
321 /* Configure VGEN3 and VCAM regulators to use external PNP */
322 val = VGEN3CONFIG | VCAMCONFIG;
323 pmic_reg_write(p, REG_MODE_1, val);
326 /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
327 val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
328 VVIDEOEN | VAUDIOEN | VSDEN;
329 pmic_reg_write(p, REG_MODE_1, val);
331 mxc_request_iomux(MX51_PIN_EIM_A20, IOMUX_CONFIG_ALT1);
332 gpio_direction_output(IMX_GPIO_NR(2, 14), 0);
336 gpio_set_value(IMX_GPIO_NR(2, 14), 1);
339 #ifdef CONFIG_FSL_ESDHC
340 int board_mmc_getcd(struct mmc *mmc)
342 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
345 mxc_request_iomux(MX51_PIN_GPIO1_0, IOMUX_CONFIG_ALT1);
346 gpio_direction_input(IMX_GPIO_NR(1, 0));
347 mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0);
348 gpio_direction_input(IMX_GPIO_NR(1, 6));
350 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
351 ret = !gpio_get_value(IMX_GPIO_NR(1, 0));
353 ret = !gpio_get_value(IMX_GPIO_NR(1, 6));
358 int board_mmc_init(bd_t *bis)
363 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
364 esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
366 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
370 mxc_request_iomux(MX51_PIN_SD1_CMD,
371 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
372 mxc_request_iomux(MX51_PIN_SD1_CLK,
373 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
374 mxc_request_iomux(MX51_PIN_SD1_DATA0,
375 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
376 mxc_request_iomux(MX51_PIN_SD1_DATA1,
377 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
378 mxc_request_iomux(MX51_PIN_SD1_DATA2,
379 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
380 mxc_request_iomux(MX51_PIN_SD1_DATA3,
381 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
382 mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
383 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
384 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
386 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
387 mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
388 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
389 PAD_CTL_HYS_NONE | PAD_CTL_47K_PU |
391 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
392 mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
393 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
394 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
396 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
397 mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
398 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
399 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
401 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
402 mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
403 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
404 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
406 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
407 mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
408 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
409 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD |
411 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
412 mxc_request_iomux(MX51_PIN_GPIO1_0,
413 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
414 mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
416 mxc_request_iomux(MX51_PIN_GPIO1_1,
417 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
418 mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
422 mxc_request_iomux(MX51_PIN_SD2_CMD,
423 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
424 mxc_request_iomux(MX51_PIN_SD2_CLK,
425 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
426 mxc_request_iomux(MX51_PIN_SD2_DATA0,
428 mxc_request_iomux(MX51_PIN_SD2_DATA1,
430 mxc_request_iomux(MX51_PIN_SD2_DATA2,
432 mxc_request_iomux(MX51_PIN_SD2_DATA3,
434 mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
435 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
437 mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
438 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
440 mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
441 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
443 mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
444 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
446 mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
447 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
449 mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
450 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
452 mxc_request_iomux(MX51_PIN_SD2_CMD,
453 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
454 mxc_request_iomux(MX51_PIN_GPIO1_6,
455 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
456 mxc_iomux_set_pad(MX51_PIN_GPIO1_6,
458 mxc_request_iomux(MX51_PIN_GPIO1_5,
459 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
460 mxc_iomux_set_pad(MX51_PIN_GPIO1_5,
464 printf("Warning: you configured more ESDHC controller"
465 "(%d) as supported by the board(2)\n",
466 CONFIG_SYS_FSL_ESDHC_NUM);
469 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
475 int board_early_init_f(void)
479 #ifdef CONFIG_USB_EHCI_MX5
489 /* address of boot parameters */
490 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
497 #ifdef CONFIG_BOARD_LATE_INIT
498 int board_late_init(void)
500 #ifdef CONFIG_MXC_SPI
510 * Do not overwrite the console
511 * Use always serial for U-Boot console
513 int overwrite_console(void)
520 puts("Board: MX51EVK\n");