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ARM: fix u-boot.lds for -ffunction-sections/-fdata-sections
[glsdk/glsdk-u-boot.git] / board / freescale / mx53loco / mx53loco.c
1 /*
2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
3  * Jason Liu <r64343@freescale.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
24 #include <common.h>
25 #include <asm/io.h>
26 #include <asm/arch/imx-regs.h>
27 #include <asm/arch/mx5x_pins.h>
28 #include <asm/arch/sys_proto.h>
29 #include <asm/arch/crm_regs.h>
30 #include <asm/arch/clock.h>
31 #include <asm/arch/iomux.h>
32 #include <asm/arch/clock.h>
33 #include <asm/errno.h>
34 #include <netdev.h>
35 #include <i2c.h>
36 #include <mmc.h>
37 #include <fsl_esdhc.h>
38 #include <asm/gpio.h>
39 #include <pmic.h>
40 #include <dialog_pmic.h>
41 #include <fsl_pmic.h>
42 #include <linux/fb.h>
43 #include <ipu_pixfmt.h>
45 #define MX53LOCO_LCD_POWER              IMX_GPIO_NR(3, 24)
47 DECLARE_GLOBAL_DATA_PTR;
49 int dram_init(void)
50 {
51         u32 size1, size2;
53         size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
54         size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
56         gd->ram_size = size1 + size2;
58         return 0;
59 }
60 void dram_init_banksize(void)
61 {
62         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
63         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
65         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
66         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
67 }
69 u32 get_board_rev(void)
70 {
71         struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
72         struct fuse_bank *bank = &iim->bank[0];
73         struct fuse_bank0_regs *fuse =
74                 (struct fuse_bank0_regs *)bank->fuse_regs;
76         int rev = readl(&fuse->gp[6]);
78         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
79                 rev = 0;
81         return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
82 }
84 static void setup_iomux_uart(void)
85 {
86         /* UART1 RXD */
87         mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2);
88         mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
89                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
90                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
91                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
92                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
93         mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1);
95         /* UART1 TXD */
96         mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2);
97         mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
98                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
99                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
100                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
101                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
104 #ifdef CONFIG_USB_EHCI_MX5
105 int board_ehci_hcd_init(int port)
107         /* request VBUS power enable pin, GPIO7_8 */
108         mxc_request_iomux(MX53_PIN_ATA_DA_2, IOMUX_CONFIG_ALT1);
109         gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
110         return 0;
112 #endif
114 static void setup_iomux_fec(void)
116         /*FEC_MDIO*/
117         mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
118         mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
119                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
120                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
121                                 PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
122         mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
124         /*FEC_MDC*/
125         mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
126         mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
128         /* FEC RXD1 */
129         mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
130         mxc_iomux_set_pad(MX53_PIN_FEC_RXD1,
131                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
133         /* FEC RXD0 */
134         mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
135         mxc_iomux_set_pad(MX53_PIN_FEC_RXD0,
136                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
138          /* FEC TXD1 */
139         mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
140         mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
142         /* FEC TXD0 */
143         mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
144         mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
146         /* FEC TX_EN */
147         mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
148         mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
150         /* FEC TX_CLK */
151         mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
152         mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK,
153                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
155         /* FEC RX_ER */
156         mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
157         mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER,
158                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
160         /* FEC CRS */
161         mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
162         mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV,
163                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
166 #ifdef CONFIG_FSL_ESDHC
167 struct fsl_esdhc_cfg esdhc_cfg[2] = {
168         {MMC_SDHC1_BASE_ADDR},
169         {MMC_SDHC3_BASE_ADDR},
170 };
172 int board_mmc_getcd(struct mmc *mmc)
174         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
175         int ret;
177         mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1);
178         gpio_direction_input(IMX_GPIO_NR(3, 11));
179         mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
180         gpio_direction_input(IMX_GPIO_NR(3, 13));
182         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
183                 ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
184         else
185                 ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
187         return ret;
190 int board_mmc_init(bd_t *bis)
192         u32 index;
193         s32 status = 0;
195         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
196                 switch (index) {
197                 case 0:
198                         mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
199                         mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
200                         mxc_request_iomux(MX53_PIN_SD1_DATA0,
201                                                 IOMUX_CONFIG_ALT0);
202                         mxc_request_iomux(MX53_PIN_SD1_DATA1,
203                                                 IOMUX_CONFIG_ALT0);
204                         mxc_request_iomux(MX53_PIN_SD1_DATA2,
205                                                 IOMUX_CONFIG_ALT0);
206                         mxc_request_iomux(MX53_PIN_SD1_DATA3,
207                                                 IOMUX_CONFIG_ALT0);
208                         mxc_request_iomux(MX53_PIN_EIM_DA13,
209                                                 IOMUX_CONFIG_ALT1);
211                         mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
212                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
213                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
214                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
215                         mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
216                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
217                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
218                                 PAD_CTL_DRV_HIGH);
219                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
220                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
221                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
222                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
223                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
224                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
225                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
226                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
227                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
228                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
229                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
230                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
231                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
232                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
233                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
234                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
235                         break;
236                 case 1:
237                         mxc_request_iomux(MX53_PIN_ATA_RESET_B,
238                                                 IOMUX_CONFIG_ALT2);
239                         mxc_request_iomux(MX53_PIN_ATA_IORDY,
240                                                 IOMUX_CONFIG_ALT2);
241                         mxc_request_iomux(MX53_PIN_ATA_DATA8,
242                                                 IOMUX_CONFIG_ALT4);
243                         mxc_request_iomux(MX53_PIN_ATA_DATA9,
244                                                 IOMUX_CONFIG_ALT4);
245                         mxc_request_iomux(MX53_PIN_ATA_DATA10,
246                                                 IOMUX_CONFIG_ALT4);
247                         mxc_request_iomux(MX53_PIN_ATA_DATA11,
248                                                 IOMUX_CONFIG_ALT4);
249                         mxc_request_iomux(MX53_PIN_ATA_DATA0,
250                                                 IOMUX_CONFIG_ALT4);
251                         mxc_request_iomux(MX53_PIN_ATA_DATA1,
252                                                 IOMUX_CONFIG_ALT4);
253                         mxc_request_iomux(MX53_PIN_ATA_DATA2,
254                                                 IOMUX_CONFIG_ALT4);
255                         mxc_request_iomux(MX53_PIN_ATA_DATA3,
256                                                 IOMUX_CONFIG_ALT4);
257                         mxc_request_iomux(MX53_PIN_EIM_DA11,
258                                                 IOMUX_CONFIG_ALT1);
260                         mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B,
261                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
262                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
263                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
264                         mxc_iomux_set_pad(MX53_PIN_ATA_IORDY,
265                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
266                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
267                                 PAD_CTL_DRV_HIGH);
268                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA8,
269                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
270                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
271                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
272                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA9,
273                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
274                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
275                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
276                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA10,
277                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
278                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
279                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
280                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA11,
281                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
282                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
283                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
284                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA0,
285                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
286                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
287                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
288                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA1,
289                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
290                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
291                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
292                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA2,
293                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
294                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
295                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
296                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA3,
297                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
298                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
299                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
301                         break;
302                 default:
303                         printf("Warning: you configured more ESDHC controller"
304                                 "(%d) as supported by the board(2)\n",
305                                 CONFIG_SYS_FSL_ESDHC_NUM);
306                         return status;
307                 }
308                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
309         }
311         return status;
313 #endif
315 static void setup_iomux_i2c(void)
317         /* I2C1 SDA */
318         mxc_request_iomux(MX53_PIN_CSI0_D8,
319                 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
320         mxc_iomux_set_input(MX53_I2C1_IPP_SDA_IN_SELECT_INPUT,
321                 INPUT_CTL_PATH0);
322         mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
323                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
324                 PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
325                 PAD_CTL_PUE_PULL |
326                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
327         /* I2C1 SCL */
328         mxc_request_iomux(MX53_PIN_CSI0_D9,
329                 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
330         mxc_iomux_set_input(MX53_I2C1_IPP_SCL_IN_SELECT_INPUT,
331                 INPUT_CTL_PATH0);
332         mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
333                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
334                 PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
335                 PAD_CTL_PUE_PULL |
336                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
339 static int power_init(void)
341         unsigned int val;
342         int ret = -1;
343         struct pmic *p;
345         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
346                 pmic_dialog_init();
347                 p = get_pmic();
349                 /* Set VDDA to 1.25V */
350                 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
351                 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
353                 ret |= pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
354                 val |= DA9052_SUPPLY_VBCOREGO;
355                 ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, val);
357                 /* Set Vcc peripheral to 1.30V */
358                 ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
359                 ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
360         }
362         if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
363                 pmic_init();
364                 p = get_pmic();
366                 /* Set VDDGP to 1.25V for 1GHz on SW1 */
367                 pmic_reg_read(p, REG_SW_0, &val);
368                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
369                 ret = pmic_reg_write(p, REG_SW_0, val);
371                 /* Set VCC as 1.30V on SW2 */
372                 pmic_reg_read(p, REG_SW_1, &val);
373                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
374                 ret |= pmic_reg_write(p, REG_SW_1, val);
376                 /* Set global reset timer to 4s */
377                 pmic_reg_read(p, REG_POWER_CTL2, &val);
378                 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
379                 ret |= pmic_reg_write(p, REG_POWER_CTL2, val);
381                 /* Set VUSBSEL and VUSBEN for USB PHY supply*/
382                 pmic_reg_read(p, REG_MODE_0, &val);
383                 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
384                 ret |= pmic_reg_write(p, REG_MODE_0, val);
386                 /* Set SWBST to 5V in auto mode */
387                 val = SWBST_AUTO;
388                 ret |= pmic_reg_write(p, SWBST_CTRL, val);
389         }
391         return ret;
394 static void clock_1GHz(void)
396         int ret;
397         u32 ref_clk = MXC_HCLK;
398         /*
399          * After increasing voltage to 1.25V, we can switch
400          * CPU clock to 1GHz and DDR to 400MHz safely
401          */
402         ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
403         if (ret)
404                 printf("CPU:   Switch CPU clock to 1GHZ failed\n");
406         ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
407         ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
408         if (ret)
409                 printf("CPU:   Switch DDR clock to 400MHz failed\n");
412 static struct fb_videomode claa_wvga = {
413         .name           = "CLAA07LC0ACW",
414         .refresh        = 57,
415         .xres           = 800,
416         .yres           = 480,
417         .pixclock       = 37037,
418         .left_margin    = 40,
419         .right_margin   = 60,
420         .upper_margin   = 10,
421         .lower_margin   = 10,
422         .hsync_len      = 20,
423         .vsync_len      = 10,
424         .sync           = 0,
425         .vmode          = FB_VMODE_NONINTERLACED
426 };
428 void lcd_iomux(void)
430         mxc_request_iomux(MX53_PIN_DI0_DISP_CLK, IOMUX_CONFIG_ALT0);
431         mxc_request_iomux(MX53_PIN_DI0_PIN15, IOMUX_CONFIG_ALT0);
432         mxc_request_iomux(MX53_PIN_DI0_PIN2, IOMUX_CONFIG_ALT0);
433         mxc_request_iomux(MX53_PIN_DI0_PIN3, IOMUX_CONFIG_ALT0);
434         mxc_request_iomux(MX53_PIN_DISP0_DAT0, IOMUX_CONFIG_ALT0);
435         mxc_request_iomux(MX53_PIN_DISP0_DAT1, IOMUX_CONFIG_ALT0);
436         mxc_request_iomux(MX53_PIN_DISP0_DAT2, IOMUX_CONFIG_ALT0);
437         mxc_request_iomux(MX53_PIN_DISP0_DAT3, IOMUX_CONFIG_ALT0);
438         mxc_request_iomux(MX53_PIN_DISP0_DAT4, IOMUX_CONFIG_ALT0);
439         mxc_request_iomux(MX53_PIN_DISP0_DAT5, IOMUX_CONFIG_ALT0);
440         mxc_request_iomux(MX53_PIN_DISP0_DAT6, IOMUX_CONFIG_ALT0);
441         mxc_request_iomux(MX53_PIN_DISP0_DAT7, IOMUX_CONFIG_ALT0);
442         mxc_request_iomux(MX53_PIN_DISP0_DAT8, IOMUX_CONFIG_ALT0);
443         mxc_request_iomux(MX53_PIN_DISP0_DAT9, IOMUX_CONFIG_ALT0);
444         mxc_request_iomux(MX53_PIN_DISP0_DAT10, IOMUX_CONFIG_ALT0);
445         mxc_request_iomux(MX53_PIN_DISP0_DAT11, IOMUX_CONFIG_ALT0);
446         mxc_request_iomux(MX53_PIN_DISP0_DAT12, IOMUX_CONFIG_ALT0);
447         mxc_request_iomux(MX53_PIN_DISP0_DAT13, IOMUX_CONFIG_ALT0);
448         mxc_request_iomux(MX53_PIN_DISP0_DAT14, IOMUX_CONFIG_ALT0);
449         mxc_request_iomux(MX53_PIN_DISP0_DAT15, IOMUX_CONFIG_ALT0);
450         mxc_request_iomux(MX53_PIN_DISP0_DAT16, IOMUX_CONFIG_ALT0);
451         mxc_request_iomux(MX53_PIN_DISP0_DAT17, IOMUX_CONFIG_ALT0);
452         mxc_request_iomux(MX53_PIN_DISP0_DAT18, IOMUX_CONFIG_ALT0);
453         mxc_request_iomux(MX53_PIN_DISP0_DAT19, IOMUX_CONFIG_ALT0);
454         mxc_request_iomux(MX53_PIN_DISP0_DAT20, IOMUX_CONFIG_ALT0);
455         mxc_request_iomux(MX53_PIN_DISP0_DAT21, IOMUX_CONFIG_ALT0);
456         mxc_request_iomux(MX53_PIN_DISP0_DAT22, IOMUX_CONFIG_ALT0);
457         mxc_request_iomux(MX53_PIN_DISP0_DAT23, IOMUX_CONFIG_ALT0);
459         /* Turn on GPIO backlight */
460         mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT1);
461         gpio_direction_output(MX53LOCO_LCD_POWER, 1);
463         /* Turn on display contrast */
464         mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
465         gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), 1);
468 void lcd_enable(void)
470         int ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565);
471         if (ret)
472                 printf("LCD cannot be configured: %d\n", ret);
475 int board_early_init_f(void)
477         setup_iomux_uart();
478         setup_iomux_fec();
479         lcd_iomux();
481         return 0;
484 int print_cpuinfo(void)
486         u32 cpurev;
488         cpurev = get_cpu_rev();
489         printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
490                 (cpurev & 0xFF000) >> 12,
491                 (cpurev & 0x000F0) >> 4,
492                 (cpurev & 0x0000F) >> 0,
493                 mxc_get_clock(MXC_ARM_CLK) / 1000000);
494         printf("Reset cause: %s\n", get_reset_cause());
495         return 0;
498 /*
499  * Do not overwrite the console
500  * Use always serial for U-Boot console
501  */
502 int overwrite_console(void)
504         return 1;
507 int board_init(void)
509         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
511         mxc_set_sata_internal_clock();
512         setup_iomux_i2c();
513         if (!power_init())
514                 clock_1GHz();
515         print_cpuinfo();
517         lcd_enable();
519         return 0;
522 int checkboard(void)
524         puts("Board: MX53 LOCO\n");
526         return 0;