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Remove volatile qualifier in get_ram_size() calls
[u-boot] / board / freescale / mx53evk / mx53evk.c
1 /*
2  * (C) Copyright 2010 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
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.
11  *
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.
16  *
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,
20  * MA 02111-1307 USA
21  */
22
23 #include <common.h>
24 #include <asm/io.h>
25 #include <asm/arch/imx-regs.h>
26 #include <asm/arch/mx5x_pins.h>
27 #include <asm/arch/sys_proto.h>
28 #include <asm/arch/crm_regs.h>
29 #include <asm/arch/iomux.h>
30 #include <asm/errno.h>
31 #include <netdev.h>
32 #include <i2c.h>
33 #include <mmc.h>
34 #include <fsl_esdhc.h>
35 #include <fsl_pmic.h>
36 #include <mxc_gpio.h>
37 #include <mc13892.h>
38
39 DECLARE_GLOBAL_DATA_PTR;
40
41 u32 get_board_rev(void)
42 {
43         return get_cpu_rev();
44 }
45
46 int dram_init(void)
47 {
48         /* dram_init must store complete ramsize in gd->ram_size */
49         gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
50                                 PHYS_SDRAM_1_SIZE);
51         return 0;
52 }
53
54 static void setup_iomux_uart(void)
55 {
56         /* UART1 RXD */
57         mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2);
58         mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
59                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
60                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
61                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
62                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
63         mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1);
64
65         /* UART1 TXD */
66         mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2);
67         mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
68                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
69                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
70                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
71                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
72 }
73
74 static void setup_i2c(unsigned int port_number)
75 {
76         switch (port_number) {
77         case 0:
78                 /* i2c1 SDA */
79                 mxc_request_iomux(MX53_PIN_CSI0_D8,
80                                 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
81                 mxc_iomux_set_input(MX53_I2C1_IPP_SDA_IN_SELECT_INPUT,
82                                 INPUT_CTL_PATH0);
83                 mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
84                                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
85                                 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE |
86                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
87                 /* i2c1 SCL */
88                 mxc_request_iomux(MX53_PIN_CSI0_D9,
89                                 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
90                 mxc_iomux_set_input(MX53_I2C1_IPP_SCL_IN_SELECT_INPUT,
91                                 INPUT_CTL_PATH0);
92                 mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
93                                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
94                                 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE |
95                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
96                 break;
97         case 1:
98                 /* i2c2 SDA */
99                 mxc_request_iomux(MX53_PIN_KEY_ROW3,
100                                 IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION);
101                 mxc_iomux_set_input(MX53_I2C2_IPP_SDA_IN_SELECT_INPUT,
102                                 INPUT_CTL_PATH0);
103                 mxc_iomux_set_pad(MX53_PIN_KEY_ROW3,
104                                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
105                                 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE |
106                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
107
108                 /* i2c2 SCL */
109                 mxc_request_iomux(MX53_PIN_KEY_COL3,
110                                 IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION);
111                 mxc_iomux_set_input(MX53_I2C2_IPP_SCL_IN_SELECT_INPUT,
112                                 INPUT_CTL_PATH0);
113                 mxc_iomux_set_pad(MX53_PIN_KEY_COL3,
114                                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
115                                 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE |
116                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
117                 break;
118         default:
119                 printf("Warning: Wrong I2C port number\n");
120                 break;
121         }
122 }
123
124 void power_init(void)
125 {
126         unsigned int val;
127
128         /* Set VDDA to 1.25V */
129         val = pmic_reg_read(REG_SW_2);
130         val &= ~SWX_OUT_MASK;
131         val |= SWX_OUT_1_25;
132         pmic_reg_write(REG_SW_2, val);
133
134         /*
135          * Need increase VCC and VDDA to 1.3V
136          * according to MX53 IC TO2 datasheet.
137          */
138         if (is_soc_rev(CHIP_REV_2_0) == 0) {
139                 /* Set VCC to 1.3V for TO2 */
140                 val = pmic_reg_read(REG_SW_1);
141                 val &= ~SWX_OUT_MASK;
142                 val |= SWX_OUT_1_30;
143                 pmic_reg_write(REG_SW_1, val);
144
145                 /* Set VDDA to 1.3V for TO2 */
146                 val = pmic_reg_read(REG_SW_2);
147                 val &= ~SWX_OUT_MASK;
148                 val |= SWX_OUT_1_30;
149                 pmic_reg_write(REG_SW_2, val);
150         }
151 }
152
153 static void setup_iomux_fec(void)
154 {
155         /*FEC_MDIO*/
156         mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
157         mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
158                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
159                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
160                                 PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
161         mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
162
163         /*FEC_MDC*/
164         mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
165         mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
166
167         /* FEC RXD1 */
168         mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
169         mxc_iomux_set_pad(MX53_PIN_FEC_RXD1,
170                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
171
172         /* FEC RXD0 */
173         mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
174         mxc_iomux_set_pad(MX53_PIN_FEC_RXD0,
175                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
176
177          /* FEC TXD1 */
178         mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
179         mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
180
181         /* FEC TXD0 */
182         mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
183         mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
184
185         /* FEC TX_EN */
186         mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
187         mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
188
189         /* FEC TX_CLK */
190         mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
191         mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK,
192                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
193
194         /* FEC RX_ER */
195         mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
196         mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER,
197                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
198
199         /* FEC CRS */
200         mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
201         mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV,
202                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
203 }
204
205 #ifdef CONFIG_FSL_ESDHC
206 struct fsl_esdhc_cfg esdhc_cfg[2] = {
207         {MMC_SDHC1_BASE_ADDR, 1},
208         {MMC_SDHC3_BASE_ADDR, 1},
209 };
210
211 int board_mmc_getcd(u8 *cd, struct mmc *mmc)
212 {
213         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
214
215         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
216                 *cd = mxc_gpio_get(77); /*GPIO3_13*/
217         else
218                 *cd = mxc_gpio_get(75); /*GPIO3_11*/
219
220         return 0;
221 }
222
223 int board_mmc_init(bd_t *bis)
224 {
225         u32 index;
226         s32 status = 0;
227
228         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
229                 switch (index) {
230                 case 0:
231                         mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
232                         mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
233                         mxc_request_iomux(MX53_PIN_SD1_DATA0,
234                                                 IOMUX_CONFIG_ALT0);
235                         mxc_request_iomux(MX53_PIN_SD1_DATA1,
236                                                 IOMUX_CONFIG_ALT0);
237                         mxc_request_iomux(MX53_PIN_SD1_DATA2,
238                                                 IOMUX_CONFIG_ALT0);
239                         mxc_request_iomux(MX53_PIN_SD1_DATA3,
240                                                 IOMUX_CONFIG_ALT0);
241                         mxc_request_iomux(MX53_PIN_EIM_DA13,
242                                                 IOMUX_CONFIG_ALT1);
243
244                         mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
245                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
246                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
247                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
248                         mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
249                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
250                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
251                                 PAD_CTL_DRV_HIGH);
252                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
253                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
254                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
255                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
256                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
257                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
258                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
259                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
260                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
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_47K_PU);
264                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
265                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
266                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
267                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
268                         break;
269                 case 1:
270                         mxc_request_iomux(MX53_PIN_ATA_RESET_B,
271                                                 IOMUX_CONFIG_ALT2);
272                         mxc_request_iomux(MX53_PIN_ATA_IORDY,
273                                                 IOMUX_CONFIG_ALT2);
274                         mxc_request_iomux(MX53_PIN_ATA_DATA8,
275                                                 IOMUX_CONFIG_ALT4);
276                         mxc_request_iomux(MX53_PIN_ATA_DATA9,
277                                                 IOMUX_CONFIG_ALT4);
278                         mxc_request_iomux(MX53_PIN_ATA_DATA10,
279                                                 IOMUX_CONFIG_ALT4);
280                         mxc_request_iomux(MX53_PIN_ATA_DATA11,
281                                                 IOMUX_CONFIG_ALT4);
282                         mxc_request_iomux(MX53_PIN_ATA_DATA0,
283                                                 IOMUX_CONFIG_ALT4);
284                         mxc_request_iomux(MX53_PIN_ATA_DATA1,
285                                                 IOMUX_CONFIG_ALT4);
286                         mxc_request_iomux(MX53_PIN_ATA_DATA2,
287                                                 IOMUX_CONFIG_ALT4);
288                         mxc_request_iomux(MX53_PIN_ATA_DATA3,
289                                                 IOMUX_CONFIG_ALT4);
290                         mxc_request_iomux(MX53_PIN_EIM_DA11,
291                                                 IOMUX_CONFIG_ALT1);
292
293                         mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B,
294                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
295                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
296                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
297                         mxc_iomux_set_pad(MX53_PIN_ATA_IORDY,
298                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
299                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
300                                 PAD_CTL_DRV_HIGH);
301                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA8,
302                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
303                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
304                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
305                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA9,
306                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
307                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
308                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
309                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA10,
310                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
311                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
312                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
313                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA11,
314                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
315                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
316                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
317                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA0,
318                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
319                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
320                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
321                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA1,
322                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
323                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
324                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
325                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA2,
326                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
327                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
328                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
329                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA3,
330                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
331                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
332                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
333
334                         break;
335                 default:
336                         printf("Warning: you configured more ESDHC controller"
337                                 "(%d) as supported by the board(2)\n",
338                                 CONFIG_SYS_FSL_ESDHC_NUM);
339                         return status;
340                 }
341                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
342         }
343
344         return status;
345 }
346 #endif
347
348 int board_early_init_f(void)
349 {
350         setup_iomux_uart();
351         setup_iomux_fec();
352
353         return 0;
354 }
355
356 int board_init(void)
357 {
358         gd->bd->bi_arch_number = MACH_TYPE_MX53_EVK;
359         /* address of boot parameters */
360         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
361
362         return 0;
363 }
364
365 int board_late_init(void)
366 {
367         setup_i2c(1);
368         power_init();
369
370         return 0;
371 }
372
373 int checkboard(void)
374 {
375         puts("Board: MX53EVK\n");
376
377         return 0;
378 }