1
2
3
4
5
6
7#include <common.h>
8#include <asm/io.h>
9#include <asm/gpio.h>
10#include <asm/arch/imx-regs.h>
11#include <asm/arch/iomux-mx51.h>
12#include <linux/errno.h>
13#include <asm/arch/sys_proto.h>
14#include <asm/arch/crm_regs.h>
15#include <asm/arch/clock.h>
16#include <asm/mach-imx/mx5_video.h>
17#include <i2c.h>
18#include <mmc.h>
19#include <fsl_esdhc.h>
20#include <power/pmic.h>
21#include <fsl_pmic.h>
22#include <mc13892.h>
23#include <usb/ehci-ci.h>
24
25DECLARE_GLOBAL_DATA_PTR;
26
27#ifdef CONFIG_FSL_ESDHC
28struct fsl_esdhc_cfg esdhc_cfg[2] = {
29 {MMC_SDHC1_BASE_ADDR},
30 {MMC_SDHC2_BASE_ADDR},
31};
32#endif
33
34int dram_init(void)
35{
36
37 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
38 PHYS_SDRAM_1_SIZE);
39 return 0;
40}
41
42u32 get_board_rev(void)
43{
44 u32 rev = get_cpu_rev();
45 if (!gpio_get_value(IMX_GPIO_NR(1, 22)))
46 rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET;
47 return rev;
48}
49
50#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_HIGH)
51
52static void setup_iomux_uart(void)
53{
54 static const iomux_v3_cfg_t uart_pads[] = {
55 MX51_PAD_UART1_RXD__UART1_RXD,
56 MX51_PAD_UART1_TXD__UART1_TXD,
57 NEW_PAD_CTRL(MX51_PAD_UART1_RTS__UART1_RTS, UART_PAD_CTRL),
58 NEW_PAD_CTRL(MX51_PAD_UART1_CTS__UART1_CTS, UART_PAD_CTRL),
59 };
60
61 imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
62}
63
64static void setup_iomux_fec(void)
65{
66 static const iomux_v3_cfg_t fec_pads[] = {
67 NEW_PAD_CTRL(MX51_PAD_EIM_EB2__FEC_MDIO, PAD_CTL_HYS |
68 PAD_CTL_PUS_22K_UP | PAD_CTL_ODE |
69 PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
70 MX51_PAD_NANDF_CS3__FEC_MDC,
71 NEW_PAD_CTRL(MX51_PAD_EIM_CS3__FEC_RDATA3, MX51_PAD_CTRL_2),
72 NEW_PAD_CTRL(MX51_PAD_EIM_CS2__FEC_RDATA2, MX51_PAD_CTRL_2),
73 NEW_PAD_CTRL(MX51_PAD_EIM_EB3__FEC_RDATA1, MX51_PAD_CTRL_2),
74 MX51_PAD_NANDF_D9__FEC_RDATA0,
75 MX51_PAD_NANDF_CS6__FEC_TDATA3,
76 MX51_PAD_NANDF_CS5__FEC_TDATA2,
77 MX51_PAD_NANDF_CS4__FEC_TDATA1,
78 MX51_PAD_NANDF_D8__FEC_TDATA0,
79 MX51_PAD_NANDF_CS7__FEC_TX_EN,
80 MX51_PAD_NANDF_CS2__FEC_TX_ER,
81 MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK,
82 NEW_PAD_CTRL(MX51_PAD_NANDF_RB2__FEC_COL, MX51_PAD_CTRL_4),
83 NEW_PAD_CTRL(MX51_PAD_NANDF_RB3__FEC_RX_CLK, MX51_PAD_CTRL_4),
84 MX51_PAD_EIM_CS5__FEC_CRS,
85 MX51_PAD_EIM_CS4__FEC_RX_ER,
86 NEW_PAD_CTRL(MX51_PAD_NANDF_D11__FEC_RX_DV, MX51_PAD_CTRL_4),
87 };
88
89 imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
90}
91
92#ifdef CONFIG_MXC_SPI
93static void setup_iomux_spi(void)
94{
95 static const iomux_v3_cfg_t spi_pads[] = {
96 NEW_PAD_CTRL(MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI, PAD_CTL_HYS |
97 PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
98 NEW_PAD_CTRL(MX51_PAD_CSPI1_MISO__ECSPI1_MISO, PAD_CTL_HYS |
99 PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
100 NEW_PAD_CTRL(MX51_PAD_CSPI1_SS1__ECSPI1_SS1,
101 MX51_GPIO_PAD_CTRL),
102 MX51_PAD_CSPI1_SS0__ECSPI1_SS0,
103 NEW_PAD_CTRL(MX51_PAD_CSPI1_RDY__ECSPI1_RDY, MX51_PAD_CTRL_2),
104 NEW_PAD_CTRL(MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, PAD_CTL_HYS |
105 PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
106 };
107
108 imx_iomux_v3_setup_multiple_pads(spi_pads, ARRAY_SIZE(spi_pads));
109}
110#endif
111
112#ifdef CONFIG_USB_EHCI_MX5
113#define MX51EVK_USBH1_HUB_RST IMX_GPIO_NR(1, 7)
114#define MX51EVK_USBH1_STP IMX_GPIO_NR(1, 27)
115#define MX51EVK_USB_CLK_EN_B IMX_GPIO_NR(2, 1)
116#define MX51EVK_USB_PHY_RESET IMX_GPIO_NR(2, 5)
117
118static void setup_usb_h1(void)
119{
120 static const iomux_v3_cfg_t usb_h1_pads[] = {
121 MX51_PAD_USBH1_CLK__USBH1_CLK,
122 MX51_PAD_USBH1_DIR__USBH1_DIR,
123 MX51_PAD_USBH1_STP__USBH1_STP,
124 MX51_PAD_USBH1_NXT__USBH1_NXT,
125 MX51_PAD_USBH1_DATA0__USBH1_DATA0,
126 MX51_PAD_USBH1_DATA1__USBH1_DATA1,
127 MX51_PAD_USBH1_DATA2__USBH1_DATA2,
128 MX51_PAD_USBH1_DATA3__USBH1_DATA3,
129 MX51_PAD_USBH1_DATA4__USBH1_DATA4,
130 MX51_PAD_USBH1_DATA5__USBH1_DATA5,
131 MX51_PAD_USBH1_DATA6__USBH1_DATA6,
132 MX51_PAD_USBH1_DATA7__USBH1_DATA7,
133
134 NEW_PAD_CTRL(MX51_PAD_GPIO1_7__GPIO1_7, 0),
135 MX51_PAD_EIM_D17__GPIO2_1,
136 MX51_PAD_EIM_D21__GPIO2_5,
137 };
138
139 imx_iomux_v3_setup_multiple_pads(usb_h1_pads, ARRAY_SIZE(usb_h1_pads));
140}
141
142int board_ehci_hcd_init(int port)
143{
144
145 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_USBH1_STP__GPIO1_27,
146 MX51_USBH_PAD_CTRL));
147
148 gpio_direction_output(MX51EVK_USBH1_STP, 0);
149 gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
150 mdelay(10);
151 gpio_set_value(MX51EVK_USBH1_STP, 1);
152
153
154 imx_iomux_v3_setup_pad(MX51_PAD_USBH1_STP__USBH1_STP);
155
156
157 gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
158
159
160 gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
161
162
163 gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
164 mdelay(2);
165 gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
166 return 0;
167}
168#endif
169
170static void power_init(void)
171{
172 unsigned int val;
173 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
174 struct pmic *p;
175 int ret;
176
177 ret = pmic_init(CONFIG_FSL_PMIC_BUS);
178 if (ret)
179 return;
180
181 p = pmic_get("FSL_PMIC");
182 if (!p)
183 return;
184
185
186 pmic_reg_read(p, REG_POWER_MISC, &val);
187 val &= ~PWGT2SPIEN;
188 pmic_reg_write(p, REG_POWER_MISC, val);
189
190
191 pmic_reg_read(p, REG_CHARGE, &val);
192 val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
193 pmic_reg_write(p, REG_CHARGE, val);
194
195
196 pmic_reg_write(p, REG_POWER_MISC, PWUP);
197
198
199 pmic_reg_read(p, REG_SW_0, &val);
200 val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
201 pmic_reg_write(p, REG_SW_0, val);
202
203
204 pmic_reg_read(p, REG_SW_1, &val);
205 val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
206 pmic_reg_write(p, REG_SW_1, val);
207
208
209 pmic_reg_read(p, REG_SW_2, &val);
210 val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
211 pmic_reg_write(p, REG_SW_2, val);
212 udelay(50);
213
214
215 writel(0x0, &mxc_ccm->cacrr);
216
217
218
219 pmic_reg_read(p, REG_SW_4, &val);
220 val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
221 (SWMODE_MASK << SWMODE2_SHIFT)));
222 val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
223 (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
224 pmic_reg_write(p, REG_SW_4, val);
225
226
227 pmic_reg_read(p, REG_SW_5, &val);
228 val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
229 (SWMODE_MASK << SWMODE4_SHIFT)));
230 val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
231 (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
232 pmic_reg_write(p, REG_SW_5, val);
233
234
235 pmic_reg_read(p, REG_SETTING_0, &val);
236 val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
237 val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
238 pmic_reg_write(p, REG_SETTING_0, val);
239
240
241 pmic_reg_read(p, REG_SETTING_1, &val);
242 val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
243 val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
244 pmic_reg_write(p, REG_SETTING_1, val);
245
246
247 val = VGEN3CONFIG | VCAMCONFIG;
248 pmic_reg_write(p, REG_MODE_1, val);
249 udelay(200);
250
251
252 val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
253 VVIDEOEN | VAUDIOEN | VSDEN;
254 pmic_reg_write(p, REG_MODE_1, val);
255
256 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_EIM_A20__GPIO2_14,
257 NO_PAD_CTRL));
258 gpio_direction_output(IMX_GPIO_NR(2, 14), 0);
259
260 udelay(500);
261
262 gpio_set_value(IMX_GPIO_NR(2, 14), 1);
263}
264
265#ifdef CONFIG_FSL_ESDHC
266int board_mmc_getcd(struct mmc *mmc)
267{
268 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
269 int ret;
270
271 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_0__GPIO1_0,
272 NO_PAD_CTRL));
273 gpio_direction_input(IMX_GPIO_NR(1, 0));
274 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_6__GPIO1_6,
275 NO_PAD_CTRL));
276 gpio_direction_input(IMX_GPIO_NR(1, 6));
277
278 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
279 ret = !gpio_get_value(IMX_GPIO_NR(1, 0));
280 else
281 ret = !gpio_get_value(IMX_GPIO_NR(1, 6));
282
283 return ret;
284}
285
286int board_mmc_init(bd_t *bis)
287{
288 static const iomux_v3_cfg_t sd1_pads[] = {
289 NEW_PAD_CTRL(MX51_PAD_SD1_CMD__SD1_CMD, PAD_CTL_DSE_MAX |
290 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
291 NEW_PAD_CTRL(MX51_PAD_SD1_CLK__SD1_CLK, PAD_CTL_DSE_MAX |
292 PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
293 NEW_PAD_CTRL(MX51_PAD_SD1_DATA0__SD1_DATA0, PAD_CTL_DSE_MAX |
294 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
295 NEW_PAD_CTRL(MX51_PAD_SD1_DATA1__SD1_DATA1, PAD_CTL_DSE_MAX |
296 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
297 NEW_PAD_CTRL(MX51_PAD_SD1_DATA2__SD1_DATA2, PAD_CTL_DSE_MAX |
298 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
299 NEW_PAD_CTRL(MX51_PAD_SD1_DATA3__SD1_DATA3, PAD_CTL_DSE_MAX |
300 PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SRE_FAST),
301 NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_HYS),
302 NEW_PAD_CTRL(MX51_PAD_GPIO1_1__SD1_WP, PAD_CTL_HYS),
303 };
304
305 static const iomux_v3_cfg_t sd2_pads[] = {
306 NEW_PAD_CTRL(MX51_PAD_SD2_CMD__SD2_CMD,
307 PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
308 NEW_PAD_CTRL(MX51_PAD_SD2_CLK__SD2_CLK,
309 PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
310 NEW_PAD_CTRL(MX51_PAD_SD2_DATA0__SD2_DATA0,
311 PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
312 NEW_PAD_CTRL(MX51_PAD_SD2_DATA1__SD2_DATA1,
313 PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
314 NEW_PAD_CTRL(MX51_PAD_SD2_DATA2__SD2_DATA2,
315 PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
316 NEW_PAD_CTRL(MX51_PAD_SD2_DATA3__SD2_DATA3,
317 PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
318 NEW_PAD_CTRL(MX51_PAD_GPIO1_6__GPIO1_6, PAD_CTL_HYS),
319 NEW_PAD_CTRL(MX51_PAD_GPIO1_5__GPIO1_5, PAD_CTL_HYS),
320 };
321
322 u32 index;
323 int ret;
324
325 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
326 esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
327
328 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
329 index++) {
330 switch (index) {
331 case 0:
332 imx_iomux_v3_setup_multiple_pads(sd1_pads,
333 ARRAY_SIZE(sd1_pads));
334 break;
335 case 1:
336 imx_iomux_v3_setup_multiple_pads(sd2_pads,
337 ARRAY_SIZE(sd2_pads));
338 break;
339 default:
340 printf("Warning: you configured more ESDHC controller"
341 "(%d) as supported by the board(2)\n",
342 CONFIG_SYS_FSL_ESDHC_NUM);
343 return -EINVAL;
344 }
345 ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
346 if (ret)
347 return ret;
348 }
349 return 0;
350}
351#endif
352
353int board_early_init_f(void)
354{
355 setup_iomux_uart();
356 setup_iomux_fec();
357#ifdef CONFIG_USB_EHCI_MX5
358 setup_usb_h1();
359#endif
360 setup_iomux_lcd();
361
362 return 0;
363}
364
365int board_init(void)
366{
367
368 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
369
370 return 0;
371}
372
373#ifdef CONFIG_BOARD_LATE_INIT
374int board_late_init(void)
375{
376#ifdef CONFIG_MXC_SPI
377 setup_iomux_spi();
378 power_init();
379#endif
380
381 return 0;
382}
383#endif
384
385
386
387
388
389int overwrite_console(void)
390{
391 return 1;
392}
393
394int checkboard(void)
395{
396 puts("Board: MX51EVK\n");
397
398 return 0;
399}
400
