4 * Copyright (C) 2012-2013 Marek Vasut <marex@denx.de>
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/imx-regs.h>
12 #include <asm/arch/sys_proto.h>
13 #include <asm/arch/crm_regs.h>
14 #include <asm/arch/clock.h>
15 #include <asm/arch/iomux-mx53.h>
16 #include <asm/imx-common/mx5_video.h>
17 #include <asm/arch/spl.h>
18 #include <asm/errno.h>
23 #include <fsl_esdhc.h>
25 #include <usb/ehci-fsl.h>
27 #include <ipu_pixfmt.h>
29 /* Special MXCFB sync flags are here. */
30 #include "../drivers/video/mxcfb.h"
32 DECLARE_GLOBAL_DATA_PTR
;
38 size1
= get_ram_size((void *)PHYS_SDRAM_1
, PHYS_SDRAM_1_SIZE
);
39 size2
= get_ram_size((void *)PHYS_SDRAM_2
, PHYS_SDRAM_2_SIZE
);
41 gd
->ram_size
= size1
+ size2
;
45 void dram_init_banksize(void)
47 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM_1
;
48 gd
->bd
->bi_dram
[0].size
= PHYS_SDRAM_1_SIZE
;
50 gd
->bd
->bi_dram
[1].start
= PHYS_SDRAM_2
;
51 gd
->bd
->bi_dram
[1].size
= PHYS_SDRAM_2_SIZE
;
54 static void setup_iomux_uart(void)
56 static const iomux_v3_cfg_t uart_pads
[] = {
57 MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX
,
58 MX53_PAD_PATA_DMARQ__UART2_TXD_MUX
,
61 imx_iomux_v3_setup_multiple_pads(uart_pads
, ARRAY_SIZE(uart_pads
));
64 #ifdef CONFIG_USB_EHCI_MX5
65 int board_ehci_hcd_init(int port
)
69 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX53_PAD_GPIO_4__GPIO1_4
,
70 PAD_CTL_PKE
| PAD_CTL_DSE_HIGH
));
71 gpio_direction_output(IMX_GPIO_NR(1, 4), 0);
73 /* USB OTG Over Current */
74 imx_iomux_v3_setup_pad(MX53_PAD_GPIO_18__GPIO7_13
);
75 } else if (port
== 1) {
77 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX53_PAD_GPIO_2__GPIO1_2
,
78 PAD_CTL_PKE
| PAD_CTL_DSE_HIGH
));
79 gpio_direction_output(IMX_GPIO_NR(1, 2), 0);
81 /* USB Host Over Current */
82 imx_iomux_v3_setup_pad(MX53_PAD_GPIO_3__USBOH3_USBH1_OC
);
89 static void setup_iomux_fec(void)
91 static const iomux_v3_cfg_t fec_pads
[] = {
93 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO
, PAD_CTL_HYS
|
94 PAD_CTL_DSE_HIGH
| PAD_CTL_PUS_22K_UP
| PAD_CTL_ODE
),
95 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC
, PAD_CTL_DSE_HIGH
),
98 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV
,
99 PAD_CTL_HYS
| PAD_CTL_PKE
),
100 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK
,
101 PAD_CTL_HYS
| PAD_CTL_PKE
),
102 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER
,
103 PAD_CTL_HYS
| PAD_CTL_PKE
),
104 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN
, PAD_CTL_DSE_HIGH
),
105 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0
,
106 PAD_CTL_HYS
| PAD_CTL_PKE
),
107 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1
,
108 PAD_CTL_HYS
| PAD_CTL_PKE
),
109 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0
, PAD_CTL_DSE_HIGH
),
110 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1
, PAD_CTL_DSE_HIGH
),
113 NEW_PAD_CTRL(MX53_PAD_KEY_COL0__FEC_RDATA_3
,
114 PAD_CTL_HYS
| PAD_CTL_PKE
),
115 NEW_PAD_CTRL(MX53_PAD_KEY_ROW0__FEC_TX_ER
,
116 PAD_CTL_HYS
| PAD_CTL_PKE
),
117 NEW_PAD_CTRL(MX53_PAD_KEY_COL1__FEC_RX_CLK
,
118 PAD_CTL_HYS
| PAD_CTL_PKE
),
119 NEW_PAD_CTRL(MX53_PAD_KEY_ROW1__FEC_COL
,
120 PAD_CTL_HYS
| PAD_CTL_PKE
),
121 NEW_PAD_CTRL(MX53_PAD_KEY_COL2__FEC_RDATA_2
,
122 PAD_CTL_HYS
| PAD_CTL_PKE
),
123 NEW_PAD_CTRL(MX53_PAD_KEY_ROW2__FEC_TDATA_2
, PAD_CTL_DSE_HIGH
),
124 NEW_PAD_CTRL(MX53_PAD_KEY_COL3__FEC_CRS
,
125 PAD_CTL_HYS
| PAD_CTL_PKE
),
126 NEW_PAD_CTRL(MX53_PAD_GPIO_19__FEC_TDATA_3
, PAD_CTL_DSE_HIGH
),
129 imx_iomux_v3_setup_multiple_pads(fec_pads
, ARRAY_SIZE(fec_pads
));
132 #ifdef CONFIG_FSL_ESDHC
133 struct fsl_esdhc_cfg esdhc_cfg
= {
137 int board_mmc_getcd(struct mmc
*mmc
)
139 imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1
);
140 gpio_direction_input(IMX_GPIO_NR(1, 1));
142 return !gpio_get_value(IMX_GPIO_NR(1, 1));
145 #define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
147 #define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
150 int board_mmc_init(bd_t
*bis
)
152 static const iomux_v3_cfg_t sd1_pads
[] = {
153 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD
, SD_CMD_PAD_CTRL
),
154 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK
, SD_PAD_CTRL
),
155 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0
, SD_PAD_CTRL
),
156 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1
, SD_PAD_CTRL
),
157 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2
, SD_PAD_CTRL
),
158 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3
, SD_PAD_CTRL
),
159 MX53_PAD_EIM_DA13__GPIO3_13
,
161 MX53_PAD_EIM_EB3__GPIO2_31
, /* SD power */
164 esdhc_cfg
.sdhc_clk
= mxc_get_clock(MXC_ESDHC_CLK
);
166 imx_iomux_v3_setup_multiple_pads(sd1_pads
, ARRAY_SIZE(sd1_pads
));
168 /* GPIO 2_31 is SD power */
169 gpio_direction_output(IMX_GPIO_NR(2, 31), 0);
171 return fsl_esdhc_initialize(bis
, &esdhc_cfg
);
176 static struct fb_videomode
const ampire_wvga
= {
181 .pixclock
= 29851, /* picosecond (33.5 MHz) */
188 .sync
= FB_SYNC_CLK_LAT_FALL
,
191 int board_video_skip(void)
194 ret
= ipuv3_fb_init(&ire_wvga
, 1, IPU_PIX_FMT_RGB666
);
196 printf("Ampire LCD cannot be configured: %d\n", ret
);
201 #define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
202 PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
204 static void setup_iomux_i2c(void)
206 static const iomux_v3_cfg_t i2c_pads
[] = {
207 NEW_PAD_CTRL(MX53_PAD_EIM_D16__I2C2_SDA
, I2C_PAD_CTRL
),
208 NEW_PAD_CTRL(MX53_PAD_EIM_EB2__I2C2_SCL
, I2C_PAD_CTRL
),
211 imx_iomux_v3_setup_multiple_pads(i2c_pads
, ARRAY_SIZE(i2c_pads
));
214 static void setup_iomux_video(void)
216 static const iomux_v3_cfg_t lcd_pads
[] = {
217 MX53_PAD_EIM_DA9__IPU_DISP1_DAT_0
,
218 MX53_PAD_EIM_DA8__IPU_DISP1_DAT_1
,
219 MX53_PAD_EIM_DA7__IPU_DISP1_DAT_2
,
220 MX53_PAD_EIM_DA6__IPU_DISP1_DAT_3
,
221 MX53_PAD_EIM_DA5__IPU_DISP1_DAT_4
,
222 MX53_PAD_EIM_DA4__IPU_DISP1_DAT_5
,
223 MX53_PAD_EIM_DA3__IPU_DISP1_DAT_6
,
224 MX53_PAD_EIM_DA2__IPU_DISP1_DAT_7
,
225 MX53_PAD_EIM_DA1__IPU_DISP1_DAT_8
,
226 MX53_PAD_EIM_DA0__IPU_DISP1_DAT_9
,
227 MX53_PAD_EIM_EB1__IPU_DISP1_DAT_10
,
228 MX53_PAD_EIM_EB0__IPU_DISP1_DAT_11
,
229 MX53_PAD_EIM_A17__IPU_DISP1_DAT_12
,
230 MX53_PAD_EIM_A18__IPU_DISP1_DAT_13
,
231 MX53_PAD_EIM_A19__IPU_DISP1_DAT_14
,
232 MX53_PAD_EIM_A20__IPU_DISP1_DAT_15
,
233 MX53_PAD_EIM_A21__IPU_DISP1_DAT_16
,
234 MX53_PAD_EIM_A22__IPU_DISP1_DAT_17
,
235 MX53_PAD_EIM_A23__IPU_DISP1_DAT_18
,
236 MX53_PAD_EIM_A24__IPU_DISP1_DAT_19
,
237 MX53_PAD_EIM_D31__IPU_DISP1_DAT_20
,
238 MX53_PAD_EIM_D30__IPU_DISP1_DAT_21
,
239 MX53_PAD_EIM_D26__IPU_DISP1_DAT_22
,
240 MX53_PAD_EIM_D27__IPU_DISP1_DAT_23
,
241 MX53_PAD_EIM_A16__IPU_DI1_DISP_CLK
,
242 MX53_PAD_EIM_DA13__IPU_DI1_D0_CS
,
243 MX53_PAD_EIM_DA14__IPU_DI1_D1_CS
,
244 MX53_PAD_EIM_DA15__IPU_DI1_PIN1
,
245 MX53_PAD_EIM_DA11__IPU_DI1_PIN2
,
246 MX53_PAD_EIM_DA12__IPU_DI1_PIN3
,
247 MX53_PAD_EIM_A25__IPU_DI1_PIN12
,
248 MX53_PAD_EIM_DA10__IPU_DI1_PIN15
,
251 imx_iomux_v3_setup_multiple_pads(lcd_pads
, ARRAY_SIZE(lcd_pads
));
254 static void setup_iomux_nand(void)
256 static const iomux_v3_cfg_t nand_pads
[] = {
257 NEW_PAD_CTRL(MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B
,
259 NEW_PAD_CTRL(MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B
,
261 NEW_PAD_CTRL(MX53_PAD_NANDF_CLE__EMI_NANDF_CLE
,
263 NEW_PAD_CTRL(MX53_PAD_NANDF_ALE__EMI_NANDF_ALE
,
265 NEW_PAD_CTRL(MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B
,
266 PAD_CTL_PUS_100K_UP
),
267 NEW_PAD_CTRL(MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0
,
268 PAD_CTL_PUS_100K_UP
),
269 NEW_PAD_CTRL(MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0
,
271 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__EMI_NANDF_D_0
,
272 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
273 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__EMI_NANDF_D_1
,
274 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
275 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__EMI_NANDF_D_2
,
276 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
277 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__EMI_NANDF_D_3
,
278 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
279 NEW_PAD_CTRL(MX53_PAD_PATA_DATA4__EMI_NANDF_D_4
,
280 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
281 NEW_PAD_CTRL(MX53_PAD_PATA_DATA5__EMI_NANDF_D_5
,
282 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
283 NEW_PAD_CTRL(MX53_PAD_PATA_DATA6__EMI_NANDF_D_6
,
284 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
285 NEW_PAD_CTRL(MX53_PAD_PATA_DATA7__EMI_NANDF_D_7
,
286 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
),
289 imx_iomux_v3_setup_multiple_pads(nand_pads
, ARRAY_SIZE(nand_pads
));
292 static void m53_set_clock(void)
295 const uint32_t ref_clk
= MXC_HCLK
;
296 const uint32_t dramclk
= 400;
299 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX53_PAD_GPIO_10__GPIO4_0
,
300 PAD_CTL_DSE_HIGH
| PAD_CTL_PKE
));
301 gpio_direction_input(IMX_GPIO_NR(4, 0));
303 /* GPIO10 selects modules' CPU speed, 1 = 1200MHz ; 0 = 800MHz */
304 cpuclk
= gpio_get_value(IMX_GPIO_NR(4, 0)) ? 1200 : 800;
306 ret
= mxc_set_clock(ref_clk
, cpuclk
, MXC_ARM_CLK
);
308 printf("CPU: Switch CPU clock to %dMHz failed\n", cpuclk
);
310 ret
= mxc_set_clock(ref_clk
, dramclk
, MXC_PERIPH_CLK
);
312 printf("CPU: Switch peripheral clock to %dMHz failed\n",
316 ret
= mxc_set_clock(ref_clk
, dramclk
, MXC_DDR_CLK
);
318 printf("CPU: Switch DDR clock to %dMHz failed\n", dramclk
);
321 static void m53_set_nand(void)
325 /* NAND flash is muxed on ATA pins */
326 setbits_le32(M4IF_BASE_ADDR
+ 0xc, M4IF_GENP_WEIM_MM_MASK
);
328 /* Wait for Grant/Ack sequence (see EIM_CSnGCR2:MUX16_BYP_GRANT) */
329 for (i
= 0x4; i
< 0x94; i
+= 0x18) {
330 clrbits_le32(WEIM_BASE_ADDR
+ i
,
331 WEIM_GCR2_MUX16_BYP_GRANT_MASK
);
334 mxc_set_clock(0, 33, MXC_NFC_CLK
);
338 int board_early_init_f(void)
348 mxc_set_sata_internal_clock();
350 /* NAND clock @ 33MHz */
358 gd
->bd
->bi_boot_params
= PHYS_SDRAM_1
+ 0x100;
365 puts("Board: DENX M53EVK\n");
373 #ifdef CONFIG_SPL_BUILD
374 void spl_board_init(void)
381 u32
spl_boot_device(void)
383 return BOOT_DEVICE_NAND
;