1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
5 * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
11 #include <linux/errno.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/crm_regs.h>
14 #include <asm/arch/clock.h>
15 #include <asm/arch/iomux-mx35.h>
17 #include <power/pmic.h>
20 #include <fsl_esdhc_imx.h>
23 #include <linux/types.h>
25 #include <asm/arch/sys_proto.h>
27 #include <asm/mach-types.h>
29 #ifndef CONFIG_BOARD_LATE_INIT
30 #error "CONFIG_BOARD_LATE_INIT must be set for this board"
33 #ifndef CONFIG_BOARD_EARLY_INIT_F
34 #error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
37 DECLARE_GLOBAL_DATA_PTR
;
43 size1
= get_ram_size((void *)PHYS_SDRAM_1
, PHYS_SDRAM_1_SIZE
);
44 size2
= get_ram_size((void *)PHYS_SDRAM_2
, PHYS_SDRAM_2_SIZE
);
46 gd
->ram_size
= size1
+ size2
;
51 int dram_init_banksize(void)
53 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM_1
;
54 gd
->bd
->bi_dram
[0].size
= PHYS_SDRAM_1_SIZE
;
56 gd
->bd
->bi_dram
[1].start
= PHYS_SDRAM_2
;
57 gd
->bd
->bi_dram
[1].size
= PHYS_SDRAM_2_SIZE
;
62 #define I2C_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_ODE)
64 static void setup_iomux_i2c(void)
66 static const iomux_v3_cfg_t i2c1_pads
[] = {
67 NEW_PAD_CTRL(MX35_PAD_I2C1_CLK__I2C1_SCL
, I2C_PAD_CTRL
),
68 NEW_PAD_CTRL(MX35_PAD_I2C1_DAT__I2C1_SDA
, I2C_PAD_CTRL
),
71 /* setup pins for I2C1 */
72 imx_iomux_v3_setup_multiple_pads(i2c1_pads
, ARRAY_SIZE(i2c1_pads
));
76 static void setup_iomux_spi(void)
78 static const iomux_v3_cfg_t spi_pads
[] = {
79 MX35_PAD_CSPI1_MOSI__CSPI1_MOSI
,
80 MX35_PAD_CSPI1_MISO__CSPI1_MISO
,
81 MX35_PAD_CSPI1_SS0__CSPI1_SS0
,
82 MX35_PAD_CSPI1_SS1__CSPI1_SS1
,
83 MX35_PAD_CSPI1_SCLK__CSPI1_SCLK
,
86 imx_iomux_v3_setup_multiple_pads(spi_pads
, ARRAY_SIZE(spi_pads
));
89 #define USBOTG_IN_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | \
90 PAD_CTL_DSE_LOW | PAD_CTL_SRE_SLOW)
91 #define USBOTG_OUT_PAD_CTRL (PAD_CTL_DSE_LOW | PAD_CTL_SRE_SLOW)
93 static void setup_iomux_usbotg(void)
95 static const iomux_v3_cfg_t usbotg_pads
[] = {
96 NEW_PAD_CTRL(MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR
,
98 NEW_PAD_CTRL(MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC
,
102 /* Set up pins for USBOTG. */
103 imx_iomux_v3_setup_multiple_pads(usbotg_pads
, ARRAY_SIZE(usbotg_pads
));
106 #define FEC_PAD_CTRL (PAD_CTL_DSE_LOW | PAD_CTL_SRE_SLOW)
108 static void setup_iomux_fec(void)
110 static const iomux_v3_cfg_t fec_pads
[] = {
111 NEW_PAD_CTRL(MX35_PAD_FEC_TX_CLK__FEC_TX_CLK
, FEC_PAD_CTRL
|
112 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
113 NEW_PAD_CTRL(MX35_PAD_FEC_RX_CLK__FEC_RX_CLK
, FEC_PAD_CTRL
|
114 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
115 NEW_PAD_CTRL(MX35_PAD_FEC_RX_DV__FEC_RX_DV
, FEC_PAD_CTRL
|
116 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
117 NEW_PAD_CTRL(MX35_PAD_FEC_COL__FEC_COL
, FEC_PAD_CTRL
|
118 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
119 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA0__FEC_RDATA_0
, FEC_PAD_CTRL
|
120 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
121 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA0__FEC_TDATA_0
, FEC_PAD_CTRL
),
122 NEW_PAD_CTRL(MX35_PAD_FEC_TX_EN__FEC_TX_EN
, FEC_PAD_CTRL
),
123 NEW_PAD_CTRL(MX35_PAD_FEC_MDC__FEC_MDC
, FEC_PAD_CTRL
),
124 NEW_PAD_CTRL(MX35_PAD_FEC_MDIO__FEC_MDIO
, FEC_PAD_CTRL
|
125 PAD_CTL_HYS
| PAD_CTL_PUS_22K_UP
),
126 NEW_PAD_CTRL(MX35_PAD_FEC_TX_ERR__FEC_TX_ERR
, FEC_PAD_CTRL
),
127 NEW_PAD_CTRL(MX35_PAD_FEC_RX_ERR__FEC_RX_ERR
, FEC_PAD_CTRL
|
128 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
129 NEW_PAD_CTRL(MX35_PAD_FEC_CRS__FEC_CRS
, FEC_PAD_CTRL
|
130 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
131 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA1__FEC_RDATA_1
, FEC_PAD_CTRL
|
132 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
133 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA1__FEC_TDATA_1
, FEC_PAD_CTRL
),
134 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA2__FEC_RDATA_2
, FEC_PAD_CTRL
|
135 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
136 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA2__FEC_TDATA_2
, FEC_PAD_CTRL
),
137 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA3__FEC_RDATA_3
, FEC_PAD_CTRL
|
138 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
139 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA3__FEC_TDATA_3
, FEC_PAD_CTRL
),
142 /* setup pins for FEC */
143 imx_iomux_v3_setup_multiple_pads(fec_pads
, ARRAY_SIZE(fec_pads
));
146 int board_early_init_f(void)
148 struct ccm_regs
*ccm
=
149 (struct ccm_regs
*)IMX_CCM_BASE
;
152 writel(readl(&ccm
->cgr0
) |
153 MXC_CCM_CGR0_EMI_MASK
|
154 MXC_CCM_CGR0_EDIO_MASK
|
155 MXC_CCM_CGR0_EPIT1_MASK
,
158 writel(readl(&ccm
->cgr1
) |
159 MXC_CCM_CGR1_FEC_MASK
|
160 MXC_CCM_CGR1_GPIO1_MASK
|
161 MXC_CCM_CGR1_GPIO2_MASK
|
162 MXC_CCM_CGR1_GPIO3_MASK
|
163 MXC_CCM_CGR1_I2C1_MASK
|
164 MXC_CCM_CGR1_I2C2_MASK
|
165 MXC_CCM_CGR1_IPU_MASK
,
169 __raw_writel(readl(&ccm
->rcsr
) | MXC_CCM_RCSR_NFC_FMS
, &ccm
->rcsr
);
172 setup_iomux_usbotg();
181 gd
->bd
->bi_arch_number
= MACH_TYPE_MX35_3DS
; /* board id for linux */
182 /* address of boot parameters */
183 gd
->bd
->bi_boot_params
= PHYS_SDRAM_1
+ 0x100;
188 static inline int pmic_detect(void)
191 struct pmic
*p
= pmic_get("FSL_PMIC");
195 pmic_reg_read(p
, REG_IDENTIFICATION
, &id
);
197 id
= (id
>> 6) & 0x7;
203 u32
get_board_rev(void)
209 return (get_cpu_rev() & ~(0xF << 8)) | (rev
& 0xF) << 8;
212 int board_late_init(void)
219 ret
= pmic_init(I2C_0
);
224 p
= pmic_get("FSL_PMIC");
225 imx_iomux_v3_setup_pad(MX35_PAD_WDOG_RST__WDOG_WDOG_B
);
227 pmic_reg_read(p
, REG_SETTING_0
, &pmic_val
);
228 pmic_reg_write(p
, REG_SETTING_0
,
229 pmic_val
| VO_1_30V
| VO_1_50V
);
230 pmic_reg_read(p
, REG_MODE_0
, &pmic_val
);
231 pmic_reg_write(p
, REG_MODE_0
, pmic_val
| VGEN3EN
);
233 imx_iomux_v3_setup_pad(MX35_PAD_COMPARE__GPIO1_5
);
235 gpio_direction_output(IMX_GPIO_NR(1, 5), 1);
238 val
= mc9sdz60_reg_read(MC9SDZ60_REG_GPIO_1
) | 0x04;
239 mc9sdz60_reg_write(MC9SDZ60_REG_GPIO_1
, val
);
242 val
= mc9sdz60_reg_read(MC9SDZ60_REG_RESET_1
) & 0x7F;
243 mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1
, val
);
247 mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1
, val
);
249 /* Print board revision */
250 printf("Board: MX35 PDK %d.0\n", ((get_board_rev() >> 8) + 1) & 0x0F);
255 int board_eth_init(bd_t
*bis
)
257 #if defined(CONFIG_SMC911X)
258 int rc
= smc911x_initialize(0, CONFIG_SMC911X_BASE
);
262 return cpu_eth_init(bis
);
265 #if defined(CONFIG_FSL_ESDHC_IMX)
267 struct fsl_esdhc_cfg esdhc_cfg
= {MMC_SDHC1_BASE_ADDR
};
269 int board_mmc_init(bd_t
*bis
)
271 static const iomux_v3_cfg_t sdhc1_pads
[] = {
272 MX35_PAD_SD1_CMD__ESDHC1_CMD
,
273 MX35_PAD_SD1_CLK__ESDHC1_CLK
,
274 MX35_PAD_SD1_DATA0__ESDHC1_DAT0
,
275 MX35_PAD_SD1_DATA1__ESDHC1_DAT1
,
276 MX35_PAD_SD1_DATA2__ESDHC1_DAT2
,
277 MX35_PAD_SD1_DATA3__ESDHC1_DAT3
,
280 /* configure pins for SDHC1 only */
281 imx_iomux_v3_setup_multiple_pads(sdhc1_pads
, ARRAY_SIZE(sdhc1_pads
));
283 esdhc_cfg
.sdhc_clk
= mxc_get_clock(MXC_ESDHC1_CLK
);
284 return fsl_esdhc_initialize(bis
, &esdhc_cfg
);
287 int board_mmc_getcd(struct mmc
*mmc
)
289 return !(mc9sdz60_reg_read(MC9SDZ60_REG_DES_FLAG
) & 0x4);