107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
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/*
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* Copyright (C) 2010 Juergen Beisert, Pengutronix <kernel@pengutronix.de>
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* Copyright (C) 2011 Marc Kleine-Budde, Pengutronix <mkl@pengutronix.de>
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* Copyright (C) 2011 Wolfram Sang, Pengutronix <w.sang@pengutronix.de>
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* Copyright (C) 2012 Maxime Ripard, Free Electrons <maxime.ripard@free-electrons.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <environment.h>
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#include <errno.h>
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#include <fec.h>
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#include <gpio.h>
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#include <init.h>
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#include <mci.h>
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#include <io.h>
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#include <mach/clock.h>
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#include <mach/imx-regs.h>
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#include <mach/iomux-imx28.h>
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#include <mach/mci.h>
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#include <asm/armlinux.h>
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#include <asm/mmu.h>
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#include <mach/fb.h>
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#include <generated/mach-types.h>
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/* setup the CPU card internal signals */
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static const uint32_t cfa10036_pads[] = {
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/* duart */
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FUNC(2) | PORTF(3, 2) | VE_3_3V,
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FUNC(2) | PORTF(3, 3) | VE_3_3V,
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/* mmc0 */
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SSP0_D0 | VE_3_3V | PULLUP(1),
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SSP0_D1 | VE_3_3V | PULLUP(1),
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SSP0_D2 | VE_3_3V | PULLUP(1),
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SSP0_D3 | VE_3_3V | PULLUP(1),
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SSP0_D4 | VE_3_3V | PULLUP(1),
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SSP0_D5 | VE_3_3V | PULLUP(1),
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SSP0_D6 | VE_3_3V | PULLUP(1),
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SSP0_D7 | VE_3_3V | PULLUP(1),
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SSP0_CMD | VE_3_3V | PULLUP(1),
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SSP0_CD | VE_3_3V | PULLUP(1),
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SSP0_SCK | VE_3_3V | BITKEEPER(0),
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/* MCI slot power control 1 = off */
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PWM3_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(0),
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};
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static struct mxs_mci_platform_data mci_pdata = {
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.caps = MMC_MODE_8BIT,
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.voltages = MMC_VDD_32_33 | MMC_VDD_33_34, /* fixed to 3.3 V */
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.f_min = 400 * 1000,
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.f_max = 25000000,
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};
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static int cfa10036_mem_init(void)
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{
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arm_add_mem_device("ram0", IMX_MEMORY_BASE, 128 * 1024 * 1024);
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return 0;
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}
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mem_initcall(cfa10036_mem_init);
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static int cfa10036_devices_init(void)
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{
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int i;
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/* initizalize muxing */
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for (i = 0; i < ARRAY_SIZE(cfa10036_pads); i++)
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imx_gpio_mode(cfa10036_pads[i]);
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/* enable IOCLK0 to run at the PLL frequency */
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imx_set_ioclk(0, 480000000);
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/* run the SSP unit clock at 100 MHz */
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imx_set_sspclk(0, 100000000, 1);
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armlinux_set_bootparams((void *)IMX_MEMORY_BASE + 0x100);
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armlinux_set_architecture(MACH_TYPE_CFA10036);
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add_generic_device("mxs_mci", 0, NULL, IMX_SSP0_BASE, 0,
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IORESOURCE_MEM, &mci_pdata);
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return 0;
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}
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device_initcall(cfa10036_devices_init);
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static int cfa10036_console_init(void)
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{
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add_generic_device("stm_serial", 0, NULL, IMX_DBGUART_BASE, 8192,
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IORESOURCE_MEM, NULL);
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return 0;
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}
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console_initcall(cfa10036_console_init);
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