2 * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
4 * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/errno.h>
28 #include <asm/arch/imx-regs.h>
29 #include <asm/arch/crm_regs.h>
30 #include <asm/arch/clock.h>
31 #include <asm/arch/mx35_pins.h>
32 #include <asm/arch/iomux.h>
34 #include <power/pmic.h>
37 #include <fsl_esdhc.h>
40 #include <linux/types.h>
42 #include <asm/arch/sys_proto.h>
45 #ifndef CONFIG_BOARD_LATE_INIT
46 #error "CONFIG_BOARD_LATE_INIT must be set for this board"
49 #ifndef CONFIG_BOARD_EARLY_INIT_F
50 #error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
53 DECLARE_GLOBAL_DATA_PTR;
59 size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
60 size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
62 gd->ram_size = size1 + size2;
67 void dram_init_banksize(void)
69 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
70 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
72 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
73 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
76 static void setup_iomux_i2c(void)
80 /* setup pins for I2C1 */
81 mxc_request_iomux(MX35_PIN_I2C1_CLK, MUX_CONFIG_SION);
82 mxc_request_iomux(MX35_PIN_I2C1_DAT, MUX_CONFIG_SION);
84 pad = (PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE \
85 | PAD_CTL_PUE_PUD | PAD_CTL_ODE_OpenDrain);
87 mxc_iomux_set_pad(MX35_PIN_I2C1_CLK, pad);
88 mxc_iomux_set_pad(MX35_PIN_I2C1_DAT, pad);
92 static void setup_iomux_spi(void)
94 mxc_request_iomux(MX35_PIN_CSPI1_MOSI, MUX_CONFIG_SION);
95 mxc_request_iomux(MX35_PIN_CSPI1_MISO, MUX_CONFIG_SION);
96 mxc_request_iomux(MX35_PIN_CSPI1_SS0, MUX_CONFIG_SION);
97 mxc_request_iomux(MX35_PIN_CSPI1_SS1, MUX_CONFIG_SION);
98 mxc_request_iomux(MX35_PIN_CSPI1_SCLK, MUX_CONFIG_SION);
101 static void setup_iomux_fec(void)
105 /* setup pins for FEC */
106 mxc_request_iomux(MX35_PIN_FEC_TX_CLK, MUX_CONFIG_FUNC);
107 mxc_request_iomux(MX35_PIN_FEC_RX_CLK, MUX_CONFIG_FUNC);
108 mxc_request_iomux(MX35_PIN_FEC_RX_DV, MUX_CONFIG_FUNC);
109 mxc_request_iomux(MX35_PIN_FEC_COL, MUX_CONFIG_FUNC);
110 mxc_request_iomux(MX35_PIN_FEC_RDATA0, MUX_CONFIG_FUNC);
111 mxc_request_iomux(MX35_PIN_FEC_TDATA0, MUX_CONFIG_FUNC);
112 mxc_request_iomux(MX35_PIN_FEC_TX_EN, MUX_CONFIG_FUNC);
113 mxc_request_iomux(MX35_PIN_FEC_MDC, MUX_CONFIG_FUNC);
114 mxc_request_iomux(MX35_PIN_FEC_MDIO, MUX_CONFIG_FUNC);
115 mxc_request_iomux(MX35_PIN_FEC_TX_ERR, MUX_CONFIG_FUNC);
116 mxc_request_iomux(MX35_PIN_FEC_RX_ERR, MUX_CONFIG_FUNC);
117 mxc_request_iomux(MX35_PIN_FEC_CRS, MUX_CONFIG_FUNC);
118 mxc_request_iomux(MX35_PIN_FEC_RDATA1, MUX_CONFIG_FUNC);
119 mxc_request_iomux(MX35_PIN_FEC_TDATA1, MUX_CONFIG_FUNC);
120 mxc_request_iomux(MX35_PIN_FEC_RDATA2, MUX_CONFIG_FUNC);
121 mxc_request_iomux(MX35_PIN_FEC_TDATA2, MUX_CONFIG_FUNC);
122 mxc_request_iomux(MX35_PIN_FEC_RDATA3, MUX_CONFIG_FUNC);
123 mxc_request_iomux(MX35_PIN_FEC_TDATA3, MUX_CONFIG_FUNC);
125 pad = (PAD_CTL_DRV_3_3V | PAD_CTL_PUE_PUD | PAD_CTL_ODE_CMOS | \
126 PAD_CTL_DRV_NORMAL | PAD_CTL_SRE_SLOW);
128 mxc_iomux_set_pad(MX35_PIN_FEC_TX_CLK, pad | PAD_CTL_HYS_SCHMITZ | \
129 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
130 mxc_iomux_set_pad(MX35_PIN_FEC_RX_CLK, pad | PAD_CTL_HYS_SCHMITZ | \
131 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
132 mxc_iomux_set_pad(MX35_PIN_FEC_RX_DV, pad | PAD_CTL_HYS_SCHMITZ | \
133 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
134 mxc_iomux_set_pad(MX35_PIN_FEC_COL, pad | PAD_CTL_HYS_SCHMITZ | \
135 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
136 mxc_iomux_set_pad(MX35_PIN_FEC_RDATA0, pad | PAD_CTL_HYS_SCHMITZ | \
137 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
138 mxc_iomux_set_pad(MX35_PIN_FEC_TDATA0, pad | PAD_CTL_HYS_CMOS | \
139 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
140 mxc_iomux_set_pad(MX35_PIN_FEC_TX_EN, pad | PAD_CTL_HYS_CMOS | \
141 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
142 mxc_iomux_set_pad(MX35_PIN_FEC_MDC, pad | PAD_CTL_HYS_CMOS | \
143 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
144 mxc_iomux_set_pad(MX35_PIN_FEC_MDIO, pad | PAD_CTL_HYS_SCHMITZ | \
145 PAD_CTL_PKE_ENABLE | PAD_CTL_22K_PU);
146 mxc_iomux_set_pad(MX35_PIN_FEC_TX_ERR, pad | PAD_CTL_HYS_CMOS | \
147 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
148 mxc_iomux_set_pad(MX35_PIN_FEC_RX_ERR, pad | PAD_CTL_HYS_SCHMITZ | \
149 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
150 mxc_iomux_set_pad(MX35_PIN_FEC_CRS, pad | PAD_CTL_HYS_SCHMITZ | \
151 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
152 mxc_iomux_set_pad(MX35_PIN_FEC_RDATA1, pad | PAD_CTL_HYS_SCHMITZ | \
153 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
154 mxc_iomux_set_pad(MX35_PIN_FEC_TDATA1, pad | PAD_CTL_HYS_CMOS | \
155 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
156 mxc_iomux_set_pad(MX35_PIN_FEC_RDATA2, pad | PAD_CTL_HYS_SCHMITZ | \
157 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
158 mxc_iomux_set_pad(MX35_PIN_FEC_TDATA2, pad | PAD_CTL_HYS_CMOS | \
159 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
160 mxc_iomux_set_pad(MX35_PIN_FEC_RDATA3, pad | PAD_CTL_HYS_SCHMITZ | \
161 PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD);
162 mxc_iomux_set_pad(MX35_PIN_FEC_TDATA3, pad | PAD_CTL_HYS_CMOS | \
163 PAD_CTL_PKE_NONE | PAD_CTL_100K_PD);
166 int board_early_init_f(void)
168 struct ccm_regs *ccm =
169 (struct ccm_regs *)IMX_CCM_BASE;
172 writel(readl(&ccm->cgr0) |
173 MXC_CCM_CGR0_EMI_MASK |
174 MXC_CCM_CGR0_EDIO_MASK |
175 MXC_CCM_CGR0_EPIT1_MASK,
178 writel(readl(&ccm->cgr1) |
179 MXC_CCM_CGR1_FEC_MASK |
180 MXC_CCM_CGR1_GPIO1_MASK |
181 MXC_CCM_CGR1_GPIO2_MASK |
182 MXC_CCM_CGR1_GPIO3_MASK |
183 MXC_CCM_CGR1_I2C1_MASK |
184 MXC_CCM_CGR1_I2C2_MASK |
185 MXC_CCM_CGR1_IPU_MASK,
189 __raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr);
200 gd->bd->bi_arch_number = MACH_TYPE_MX35_3DS; /* board id for linux */
201 /* address of boot parameters */
202 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
207 static inline int pmic_detect(void)
210 struct pmic *p = pmic_get("FSL_PMIC");
214 pmic_reg_read(p, REG_IDENTIFICATION, &id);
216 id = (id >> 6) & 0x7;
222 u32 get_board_rev(void)
228 return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
231 int board_late_init(void)
238 ret = pmic_init(I2C_PMIC);
243 p = pmic_get("FSL_PMIC");
244 mxc_request_iomux(MX35_PIN_WATCHDOG_RST, MUX_CONFIG_SION |
247 pmic_reg_read(p, REG_SETTING_0, &pmic_val);
248 pmic_reg_write(p, REG_SETTING_0,
249 pmic_val | VO_1_30V | VO_1_50V);
250 pmic_reg_read(p, REG_MODE_0, &pmic_val);
251 pmic_reg_write(p, REG_MODE_0, pmic_val | VGEN3EN);
253 mxc_request_iomux(MX35_PIN_COMPARE, MUX_CONFIG_GPIO);
254 mxc_iomux_set_input(MUX_IN_GPIO1_IN_5, INPUT_CTL_PATH0);
256 gpio_direction_output(37, 1);
259 val = mc9sdz60_reg_read(MC9SDZ60_REG_GPIO_1) | 0x04;
260 mc9sdz60_reg_write(MC9SDZ60_REG_GPIO_1, val);
263 val = mc9sdz60_reg_read(MC9SDZ60_REG_RESET_1) & 0x7F;
264 mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1, val);
268 mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1, val);
270 /* Print board revision */
271 printf("Board: MX35 PDK %d.0\n", ((get_board_rev() >> 8) + 1) & 0x0F);
276 int board_eth_init(bd_t *bis)
279 #if defined(CONFIG_SMC911X)
280 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
288 #if defined(CONFIG_FSL_ESDHC)
290 struct fsl_esdhc_cfg esdhc_cfg = {MMC_SDHC1_BASE_ADDR};
292 int board_mmc_init(bd_t *bis)
294 /* configure pins for SDHC1 only */
295 mxc_request_iomux(MX35_PIN_SD1_CMD, MUX_CONFIG_FUNC);
296 mxc_request_iomux(MX35_PIN_SD1_CLK, MUX_CONFIG_FUNC);
297 mxc_request_iomux(MX35_PIN_SD1_DATA0, MUX_CONFIG_FUNC);
298 mxc_request_iomux(MX35_PIN_SD1_DATA1, MUX_CONFIG_FUNC);
299 mxc_request_iomux(MX35_PIN_SD1_DATA2, MUX_CONFIG_FUNC);
300 mxc_request_iomux(MX35_PIN_SD1_DATA3, MUX_CONFIG_FUNC);
302 esdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK);
303 return fsl_esdhc_initialize(bis, &esdhc_cfg);
306 int board_mmc_getcd(struct mmc *mmc)
308 return !(mc9sdz60_reg_read(MC9SDZ60_REG_DES_FLAG) & 0x4);