1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2011 Freescale Semiconductor, Inc.
4 * Jason Liu <r64343@freescale.com>
5 */
6
7 #include <common.h>
8 #include <asm/io.h>
9 #include <asm/arch/imx-regs.h>
10 #include <asm/arch/sys_proto.h>
11 #include <asm/arch/crm_regs.h>
12 #include <asm/arch/clock.h>
13 #include <asm/arch/iomux-mx53.h>
14 #include <asm/arch/clock.h>
15 #include <linux/errno.h>
16 #include <asm/mach-imx/mx5_video.h>
17 #include <netdev.h>
18 #include <i2c.h>
19 #include <input.h>
20 #include <mmc.h>
21 #include <fsl_esdhc.h>
22 #include <asm/gpio.h>
23 #include <power/pmic.h>
24 #include <dialog_pmic.h>
25 #include <fsl_pmic.h>
26 #include <linux/fb.h>
27 #include <ipu_pixfmt.h>
28
29 #define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24)
30
31 DECLARE_GLOBAL_DATA_PTR;
32
get_board_rev(void)33 u32 get_board_rev(void)
34 {
35 struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
36 struct fuse_bank *bank = &iim->bank[0];
37 struct fuse_bank0_regs *fuse =
38 (struct fuse_bank0_regs *)bank->fuse_regs;
39
40 int rev = readl(&fuse->gp[6]);
41
42 if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
43 rev = 0;
44
45 return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
46 }
47
48 #define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
49 PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
50
setup_iomux_uart(void)51 static void setup_iomux_uart(void)
52 {
53 static const iomux_v3_cfg_t uart_pads[] = {
54 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
55 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
56 };
57
58 imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
59 }
60
61 #ifdef CONFIG_USB_EHCI_MX5
board_ehci_hcd_init(int port)62 int board_ehci_hcd_init(int port)
63 {
64 /* request VBUS power enable pin, GPIO7_8 */
65 imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8);
66 gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
67 return 0;
68 }
69 #endif
70
setup_iomux_fec(void)71 static void setup_iomux_fec(void)
72 {
73 static const iomux_v3_cfg_t fec_pads[] = {
74 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
75 PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
76 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
77 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
78 PAD_CTL_HYS | PAD_CTL_PKE),
79 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
80 PAD_CTL_HYS | PAD_CTL_PKE),
81 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
82 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
83 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
84 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
85 PAD_CTL_HYS | PAD_CTL_PKE),
86 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
87 PAD_CTL_HYS | PAD_CTL_PKE),
88 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
89 PAD_CTL_HYS | PAD_CTL_PKE),
90 };
91
92 imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
93 }
94
95 #ifdef CONFIG_FSL_ESDHC
96 struct fsl_esdhc_cfg esdhc_cfg[2] = {
97 {MMC_SDHC1_BASE_ADDR},
98 {MMC_SDHC3_BASE_ADDR},
99 };
100
board_mmc_getcd(struct mmc * mmc)101 int board_mmc_getcd(struct mmc *mmc)
102 {
103 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
104 int ret;
105
106 imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11);
107 gpio_direction_input(IMX_GPIO_NR(3, 11));
108 imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
109 gpio_direction_input(IMX_GPIO_NR(3, 13));
110
111 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
112 ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
113 else
114 ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
115
116 return ret;
117 }
118
119 #define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
120 PAD_CTL_PUS_100K_UP)
121 #define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
122 PAD_CTL_DSE_HIGH)
123
board_mmc_init(bd_t * bis)124 int board_mmc_init(bd_t *bis)
125 {
126 static const iomux_v3_cfg_t sd1_pads[] = {
127 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
128 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
129 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
130 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
131 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
132 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
133 MX53_PAD_EIM_DA13__GPIO3_13,
134 };
135
136 static const iomux_v3_cfg_t sd2_pads[] = {
137 NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
138 SD_CMD_PAD_CTRL),
139 NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL),
140 NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL),
141 NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL),
142 NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL),
143 NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL),
144 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL),
145 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL),
146 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL),
147 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL),
148 MX53_PAD_EIM_DA11__GPIO3_11,
149 };
150
151 u32 index;
152 int ret;
153
154 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
155 esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
156
157 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
158 switch (index) {
159 case 0:
160 imx_iomux_v3_setup_multiple_pads(sd1_pads,
161 ARRAY_SIZE(sd1_pads));
162 break;
163 case 1:
164 imx_iomux_v3_setup_multiple_pads(sd2_pads,
165 ARRAY_SIZE(sd2_pads));
166 break;
167 default:
168 printf("Warning: you configured more ESDHC controller"
169 "(%d) as supported by the board(2)\n",
170 CONFIG_SYS_FSL_ESDHC_NUM);
171 return -EINVAL;
172 }
173 ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
174 if (ret)
175 return ret;
176 }
177
178 return 0;
179 }
180 #endif
181
182 #define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
183 PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
184
setup_iomux_i2c(void)185 static void setup_iomux_i2c(void)
186 {
187 static const iomux_v3_cfg_t i2c1_pads[] = {
188 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
189 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
190 };
191
192 imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
193 }
194
power_init(void)195 static int power_init(void)
196 {
197 unsigned int val;
198 int ret;
199 struct pmic *p;
200
201 if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
202 ret = pmic_dialog_init(I2C_PMIC);
203 if (ret)
204 return ret;
205
206 p = pmic_get("DIALOG_PMIC");
207 if (!p)
208 return -ENODEV;
209
210 env_set("fdt_file", "imx53-qsb.dtb");
211
212 /* Set VDDA to 1.25V */
213 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
214 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
215 if (ret) {
216 printf("Writing to BUCKCORE_REG failed: %d\n", ret);
217 return ret;
218 }
219
220 pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
221 val |= DA9052_SUPPLY_VBCOREGO;
222 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
223 if (ret) {
224 printf("Writing to SUPPLY_REG failed: %d\n", ret);
225 return ret;
226 }
227
228 /* Set Vcc peripheral to 1.30V */
229 ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
230 if (ret) {
231 printf("Writing to BUCKPRO_REG failed: %d\n", ret);
232 return ret;
233 }
234
235 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
236 if (ret) {
237 printf("Writing to SUPPLY_REG failed: %d\n", ret);
238 return ret;
239 }
240
241 return ret;
242 }
243
244 if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
245 ret = pmic_init(I2C_0);
246 if (ret)
247 return ret;
248
249 p = pmic_get("FSL_PMIC");
250 if (!p)
251 return -ENODEV;
252
253 env_set("fdt_file", "imx53-qsrb.dtb");
254
255 /* Set VDDGP to 1.25V for 1GHz on SW1 */
256 pmic_reg_read(p, REG_SW_0, &val);
257 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
258 ret = pmic_reg_write(p, REG_SW_0, val);
259 if (ret) {
260 printf("Writing to REG_SW_0 failed: %d\n", ret);
261 return ret;
262 }
263
264 /* Set VCC as 1.30V on SW2 */
265 pmic_reg_read(p, REG_SW_1, &val);
266 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
267 ret = pmic_reg_write(p, REG_SW_1, val);
268 if (ret) {
269 printf("Writing to REG_SW_1 failed: %d\n", ret);
270 return ret;
271 }
272
273 /* Set global reset timer to 4s */
274 pmic_reg_read(p, REG_POWER_CTL2, &val);
275 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
276 ret = pmic_reg_write(p, REG_POWER_CTL2, val);
277 if (ret) {
278 printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
279 return ret;
280 }
281
282 /* Set VUSBSEL and VUSBEN for USB PHY supply*/
283 pmic_reg_read(p, REG_MODE_0, &val);
284 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
285 ret = pmic_reg_write(p, REG_MODE_0, val);
286 if (ret) {
287 printf("Writing to REG_MODE_0 failed: %d\n", ret);
288 return ret;
289 }
290
291 /* Set SWBST to 5V in auto mode */
292 val = SWBST_AUTO;
293 ret = pmic_reg_write(p, SWBST_CTRL, val);
294 if (ret) {
295 printf("Writing to SWBST_CTRL failed: %d\n", ret);
296 return ret;
297 }
298
299 return ret;
300 }
301
302 return -1;
303 }
304
clock_1GHz(void)305 static void clock_1GHz(void)
306 {
307 int ret;
308 u32 ref_clk = MXC_HCLK;
309 /*
310 * After increasing voltage to 1.25V, we can switch
311 * CPU clock to 1GHz and DDR to 400MHz safely
312 */
313 ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
314 if (ret)
315 printf("CPU: Switch CPU clock to 1GHZ failed\n");
316
317 ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
318 ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
319 if (ret)
320 printf("CPU: Switch DDR clock to 400MHz failed\n");
321 }
322
board_early_init_f(void)323 int board_early_init_f(void)
324 {
325 setup_iomux_uart();
326 setup_iomux_fec();
327 setup_iomux_lcd();
328
329 return 0;
330 }
331
332 /*
333 * Do not overwrite the console
334 * Use always serial for U-Boot console
335 */
overwrite_console(void)336 int overwrite_console(void)
337 {
338 return 1;
339 }
340
board_init(void)341 int board_init(void)
342 {
343 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
344
345 mxc_set_sata_internal_clock();
346 setup_iomux_i2c();
347
348 return 0;
349 }
350
board_late_init(void)351 int board_late_init(void)
352 {
353 if (!power_init())
354 clock_1GHz();
355
356 return 0;
357 }
358
checkboard(void)359 int checkboard(void)
360 {
361 puts("Board: MX53 LOCO\n");
362
363 return 0;
364 }
365