2 * Copyright (C) 2011 Freescale Semiconductor, Inc.
3 * Jason Liu <r64343@freescale.com>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
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/iomux.h>
31 #include <asm/arch/clock.h>
32 #include <asm/errno.h>
36 #include <fsl_esdhc.h>
39 DECLARE_GLOBAL_DATA_PTR;
45 size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
46 size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
48 gd->ram_size = size1 + size2;
52 void dram_init_banksize(void)
54 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
55 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
57 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
58 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
61 static void setup_iomux_uart(void)
64 mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2);
65 mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
66 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
67 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
68 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
69 PAD_CTL_ODE_OPENDRAIN_ENABLE);
70 mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1);
73 mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2);
74 mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
75 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
76 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
77 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
78 PAD_CTL_ODE_OPENDRAIN_ENABLE);
81 #ifdef CONFIG_USB_EHCI_MX5
82 int board_ehci_hcd_init(int port)
84 /* request VBUS power enable pin, GPIO[8}, gpio7 */
85 mxc_request_iomux(MX53_PIN_ATA_DA_2, IOMUX_CONFIG_ALT1);
86 gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 0);
87 gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
92 static void setup_iomux_fec(void)
95 mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
96 mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
97 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
98 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
99 PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
100 mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
103 mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
104 mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
107 mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
108 mxc_iomux_set_pad(MX53_PIN_FEC_RXD1,
109 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
112 mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
113 mxc_iomux_set_pad(MX53_PIN_FEC_RXD0,
114 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
117 mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
118 mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
121 mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
122 mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
125 mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
126 mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
129 mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
130 mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK,
131 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
134 mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
135 mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER,
136 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
139 mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
140 mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV,
141 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
144 #ifdef CONFIG_FSL_ESDHC
145 struct fsl_esdhc_cfg esdhc_cfg[2] = {
146 {MMC_SDHC1_BASE_ADDR, 1},
147 {MMC_SDHC3_BASE_ADDR, 1},
150 int board_mmc_getcd(struct mmc *mmc)
152 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
155 mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1);
156 gpio_direction_input(75);
157 mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
158 gpio_direction_input(77);
160 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
161 ret = !gpio_get_value(77); /* GPIO3_13 */
163 ret = !gpio_get_value(75); /* GPIO3_11 */
168 int board_mmc_init(bd_t *bis)
173 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
176 mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
177 mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
178 mxc_request_iomux(MX53_PIN_SD1_DATA0,
180 mxc_request_iomux(MX53_PIN_SD1_DATA1,
182 mxc_request_iomux(MX53_PIN_SD1_DATA2,
184 mxc_request_iomux(MX53_PIN_SD1_DATA3,
186 mxc_request_iomux(MX53_PIN_EIM_DA13,
189 mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
190 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
191 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
192 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
193 mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
194 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
195 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
197 mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
198 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
199 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
200 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
201 mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
202 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
203 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
204 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
205 mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
206 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
207 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
208 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
209 mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
210 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
211 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
212 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
215 mxc_request_iomux(MX53_PIN_ATA_RESET_B,
217 mxc_request_iomux(MX53_PIN_ATA_IORDY,
219 mxc_request_iomux(MX53_PIN_ATA_DATA8,
221 mxc_request_iomux(MX53_PIN_ATA_DATA9,
223 mxc_request_iomux(MX53_PIN_ATA_DATA10,
225 mxc_request_iomux(MX53_PIN_ATA_DATA11,
227 mxc_request_iomux(MX53_PIN_ATA_DATA0,
229 mxc_request_iomux(MX53_PIN_ATA_DATA1,
231 mxc_request_iomux(MX53_PIN_ATA_DATA2,
233 mxc_request_iomux(MX53_PIN_ATA_DATA3,
235 mxc_request_iomux(MX53_PIN_EIM_DA11,
238 mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B,
239 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
240 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
241 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
242 mxc_iomux_set_pad(MX53_PIN_ATA_IORDY,
243 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
244 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
246 mxc_iomux_set_pad(MX53_PIN_ATA_DATA8,
247 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
248 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
249 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
250 mxc_iomux_set_pad(MX53_PIN_ATA_DATA9,
251 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
252 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
253 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
254 mxc_iomux_set_pad(MX53_PIN_ATA_DATA10,
255 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
256 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
257 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
258 mxc_iomux_set_pad(MX53_PIN_ATA_DATA11,
259 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
260 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
261 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
262 mxc_iomux_set_pad(MX53_PIN_ATA_DATA0,
263 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
264 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
265 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
266 mxc_iomux_set_pad(MX53_PIN_ATA_DATA1,
267 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
268 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
269 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
270 mxc_iomux_set_pad(MX53_PIN_ATA_DATA2,
271 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
272 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
273 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
274 mxc_iomux_set_pad(MX53_PIN_ATA_DATA3,
275 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
276 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
277 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
281 printf("Warning: you configured more ESDHC controller"
282 "(%d) as supported by the board(2)\n",
283 CONFIG_SYS_FSL_ESDHC_NUM);
286 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
293 int board_early_init_f(void)
303 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
310 puts("Board: MX53 LOCO\n");