2 * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
4 * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
6 * SPDX-License-Identifier: GPL-2.0+
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.h>
23 #include <linux/types.h>
25 #include <asm/arch/sys_proto.h>
28 #ifndef CONFIG_BOARD_LATE_INIT
29 #error "CONFIG_BOARD_LATE_INIT must be set for this board"
32 #ifndef CONFIG_BOARD_EARLY_INIT_F
33 #error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
36 DECLARE_GLOBAL_DATA_PTR
;
42 size1
= get_ram_size((void *)PHYS_SDRAM_1
, PHYS_SDRAM_1_SIZE
);
43 size2
= get_ram_size((void *)PHYS_SDRAM_2
, PHYS_SDRAM_2_SIZE
);
45 gd
->ram_size
= size1
+ size2
;
50 int dram_init_banksize(void)
52 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM_1
;
53 gd
->bd
->bi_dram
[0].size
= PHYS_SDRAM_1_SIZE
;
55 gd
->bd
->bi_dram
[1].start
= PHYS_SDRAM_2
;
56 gd
->bd
->bi_dram
[1].size
= PHYS_SDRAM_2_SIZE
;
61 #define I2C_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_ODE)
63 static void setup_iomux_i2c(void)
65 static const iomux_v3_cfg_t i2c1_pads
[] = {
66 NEW_PAD_CTRL(MX35_PAD_I2C1_CLK__I2C1_SCL
, I2C_PAD_CTRL
),
67 NEW_PAD_CTRL(MX35_PAD_I2C1_DAT__I2C1_SDA
, I2C_PAD_CTRL
),
70 /* setup pins for I2C1 */
71 imx_iomux_v3_setup_multiple_pads(i2c1_pads
, ARRAY_SIZE(i2c1_pads
));
75 static void setup_iomux_spi(void)
77 static const iomux_v3_cfg_t spi_pads
[] = {
78 MX35_PAD_CSPI1_MOSI__CSPI1_MOSI
,
79 MX35_PAD_CSPI1_MISO__CSPI1_MISO
,
80 MX35_PAD_CSPI1_SS0__CSPI1_SS0
,
81 MX35_PAD_CSPI1_SS1__CSPI1_SS1
,
82 MX35_PAD_CSPI1_SCLK__CSPI1_SCLK
,
85 imx_iomux_v3_setup_multiple_pads(spi_pads
, ARRAY_SIZE(spi_pads
));
88 #define USBOTG_IN_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | \
89 PAD_CTL_DSE_LOW | PAD_CTL_SRE_SLOW)
90 #define USBOTG_OUT_PAD_CTRL (PAD_CTL_DSE_LOW | PAD_CTL_SRE_SLOW)
92 static void setup_iomux_usbotg(void)
94 static const iomux_v3_cfg_t usbotg_pads
[] = {
95 NEW_PAD_CTRL(MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR
,
97 NEW_PAD_CTRL(MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC
,
101 /* Set up pins for USBOTG. */
102 imx_iomux_v3_setup_multiple_pads(usbotg_pads
, ARRAY_SIZE(usbotg_pads
));
105 #define FEC_PAD_CTRL (PAD_CTL_DSE_LOW | PAD_CTL_SRE_SLOW)
107 static void setup_iomux_fec(void)
109 static const iomux_v3_cfg_t fec_pads
[] = {
110 NEW_PAD_CTRL(MX35_PAD_FEC_TX_CLK__FEC_TX_CLK
, FEC_PAD_CTRL
|
111 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
112 NEW_PAD_CTRL(MX35_PAD_FEC_RX_CLK__FEC_RX_CLK
, FEC_PAD_CTRL
|
113 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
114 NEW_PAD_CTRL(MX35_PAD_FEC_RX_DV__FEC_RX_DV
, FEC_PAD_CTRL
|
115 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
116 NEW_PAD_CTRL(MX35_PAD_FEC_COL__FEC_COL
, FEC_PAD_CTRL
|
117 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
118 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA0__FEC_RDATA_0
, FEC_PAD_CTRL
|
119 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
120 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA0__FEC_TDATA_0
, FEC_PAD_CTRL
),
121 NEW_PAD_CTRL(MX35_PAD_FEC_TX_EN__FEC_TX_EN
, FEC_PAD_CTRL
),
122 NEW_PAD_CTRL(MX35_PAD_FEC_MDC__FEC_MDC
, FEC_PAD_CTRL
),
123 NEW_PAD_CTRL(MX35_PAD_FEC_MDIO__FEC_MDIO
, FEC_PAD_CTRL
|
124 PAD_CTL_HYS
| PAD_CTL_PUS_22K_UP
),
125 NEW_PAD_CTRL(MX35_PAD_FEC_TX_ERR__FEC_TX_ERR
, FEC_PAD_CTRL
),
126 NEW_PAD_CTRL(MX35_PAD_FEC_RX_ERR__FEC_RX_ERR
, FEC_PAD_CTRL
|
127 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
128 NEW_PAD_CTRL(MX35_PAD_FEC_CRS__FEC_CRS
, FEC_PAD_CTRL
|
129 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
130 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA1__FEC_RDATA_1
, FEC_PAD_CTRL
|
131 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
132 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA1__FEC_TDATA_1
, FEC_PAD_CTRL
),
133 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA2__FEC_RDATA_2
, FEC_PAD_CTRL
|
134 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
135 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA2__FEC_TDATA_2
, FEC_PAD_CTRL
),
136 NEW_PAD_CTRL(MX35_PAD_FEC_RDATA3__FEC_RDATA_3
, FEC_PAD_CTRL
|
137 PAD_CTL_HYS
| PAD_CTL_PUS_100K_DOWN
),
138 NEW_PAD_CTRL(MX35_PAD_FEC_TDATA3__FEC_TDATA_3
, FEC_PAD_CTRL
),
141 /* setup pins for FEC */
142 imx_iomux_v3_setup_multiple_pads(fec_pads
, ARRAY_SIZE(fec_pads
));
145 int board_early_init_f(void)
147 struct ccm_regs
*ccm
=
148 (struct ccm_regs
*)IMX_CCM_BASE
;
151 writel(readl(&ccm
->cgr0
) |
152 MXC_CCM_CGR0_EMI_MASK
|
153 MXC_CCM_CGR0_EDIO_MASK
|
154 MXC_CCM_CGR0_EPIT1_MASK
,
157 writel(readl(&ccm
->cgr1
) |
158 MXC_CCM_CGR1_FEC_MASK
|
159 MXC_CCM_CGR1_GPIO1_MASK
|
160 MXC_CCM_CGR1_GPIO2_MASK
|
161 MXC_CCM_CGR1_GPIO3_MASK
|
162 MXC_CCM_CGR1_I2C1_MASK
|
163 MXC_CCM_CGR1_I2C2_MASK
|
164 MXC_CCM_CGR1_IPU_MASK
,
168 __raw_writel(readl(&ccm
->rcsr
) | MXC_CCM_RCSR_NFC_FMS
, &ccm
->rcsr
);
171 setup_iomux_usbotg();
180 gd
->bd
->bi_arch_number
= MACH_TYPE_MX35_3DS
; /* board id for linux */
181 /* address of boot parameters */
182 gd
->bd
->bi_boot_params
= PHYS_SDRAM_1
+ 0x100;
187 static inline int pmic_detect(void)
190 struct pmic
*p
= pmic_get("FSL_PMIC");
194 pmic_reg_read(p
, REG_IDENTIFICATION
, &id
);
196 id
= (id
>> 6) & 0x7;
202 u32
get_board_rev(void)
208 return (get_cpu_rev() & ~(0xF << 8)) | (rev
& 0xF) << 8;
211 int board_late_init(void)
218 ret
= pmic_init(I2C_0
);
223 p
= pmic_get("FSL_PMIC");
224 imx_iomux_v3_setup_pad(MX35_PAD_WDOG_RST__WDOG_WDOG_B
);
226 pmic_reg_read(p
, REG_SETTING_0
, &pmic_val
);
227 pmic_reg_write(p
, REG_SETTING_0
,
228 pmic_val
| VO_1_30V
| VO_1_50V
);
229 pmic_reg_read(p
, REG_MODE_0
, &pmic_val
);
230 pmic_reg_write(p
, REG_MODE_0
, pmic_val
| VGEN3EN
);
232 imx_iomux_v3_setup_pad(MX35_PAD_COMPARE__GPIO1_5
);
234 gpio_direction_output(IMX_GPIO_NR(1, 5), 1);
237 val
= mc9sdz60_reg_read(MC9SDZ60_REG_GPIO_1
) | 0x04;
238 mc9sdz60_reg_write(MC9SDZ60_REG_GPIO_1
, val
);
241 val
= mc9sdz60_reg_read(MC9SDZ60_REG_RESET_1
) & 0x7F;
242 mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1
, val
);
246 mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1
, val
);
248 /* Print board revision */
249 printf("Board: MX35 PDK %d.0\n", ((get_board_rev() >> 8) + 1) & 0x0F);
254 int board_eth_init(bd_t
*bis
)
256 #if defined(CONFIG_SMC911X)
257 int rc
= smc911x_initialize(0, CONFIG_SMC911X_BASE
);
261 return cpu_eth_init(bis
);
264 #if defined(CONFIG_FSL_ESDHC)
266 struct fsl_esdhc_cfg esdhc_cfg
= {MMC_SDHC1_BASE_ADDR
};
268 int board_mmc_init(bd_t
*bis
)
270 static const iomux_v3_cfg_t sdhc1_pads
[] = {
271 MX35_PAD_SD1_CMD__ESDHC1_CMD
,
272 MX35_PAD_SD1_CLK__ESDHC1_CLK
,
273 MX35_PAD_SD1_DATA0__ESDHC1_DAT0
,
274 MX35_PAD_SD1_DATA1__ESDHC1_DAT1
,
275 MX35_PAD_SD1_DATA2__ESDHC1_DAT2
,
276 MX35_PAD_SD1_DATA3__ESDHC1_DAT3
,
279 /* configure pins for SDHC1 only */
280 imx_iomux_v3_setup_multiple_pads(sdhc1_pads
, ARRAY_SIZE(sdhc1_pads
));
282 esdhc_cfg
.sdhc_clk
= mxc_get_clock(MXC_ESDHC1_CLK
);
283 return fsl_esdhc_initialize(bis
, &esdhc_cfg
);
286 int board_mmc_getcd(struct mmc
*mmc
)
288 return !(mc9sdz60_reg_read(MC9SDZ60_REG_DES_FLAG
) & 0x4);