1 files changed, 396 insertions, 0 deletions
diff --git a/arch/arm/mach-mx35/mx35evb.c b/arch/arm/mach-mx35/mx35evb.c
new file mode 100644
index 000000000000..527ed464fdc6
--- /dev/null
+++ b/arch/arm/mach-mx35/mx35evb.c
@@ -0,0 +1,396 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/nodemask.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/platform_device.h>
+#if defined(CONFIG_MTD) || defined(CONFIG_MTD_MODULE)
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach/flash.h>
+#endif
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/keypad.h>
+#include <mach/memory.h>
+#include <mach/gpio.h>
+
+#include "board-mx35evb.h"
+#include "crm_regs.h"
+#include "iomux.h"
+
+/*!
+ * @file mach-mx35/mx35evb.c
+ *
+ * @brief This file contains the board specific initialization routines.
+ *
+ * @ingroup MSL_MX35
+ */
+
+unsigned int mx35evb_board_io;
+
+static void mxc_nop_release(struct device *dev)
+{
+	/* Nothing */
+}
+
+/* MTD NOR flash */
+
+#if defined(CONFIG_MTD_MXC) || defined(CONFIG_MTD_MXC_MODULE)
+
+static struct mtd_partition mxc_nor_partitions[] = {
+	{
+	 .name = "Bootloader",
+	 .size = 512 * 1024,
+	 .offset = 0x00000000,
+	 .mask_flags = MTD_WRITEABLE	/* force read-only */
+	 },
+	{
+	 .name = "nor.Kernel",
+	 .size = 4 * 1024 * 1024,
+	 .offset = MTDPART_OFS_APPEND,
+	 .mask_flags = 0},
+	{
+	 .name = "nor.userfs",
+	 .size = 30 * 1024 * 1024,
+	 .offset = MTDPART_OFS_APPEND,
+	 .mask_flags = 0},
+	{
+	 .name = "nor.rootfs",
+	 .size = 28 * 1024 * 1024,
+	 .offset = MTDPART_OFS_APPEND,
+	 .mask_flags = MTD_WRITEABLE},
+	{
+	 .name = "FIS directory",
+	 .size = 12 * 1024,
+	 .offset = 0x01FE0000,
+	 .mask_flags = MTD_WRITEABLE	/* force read-only */
+	 },
+	{
+	 .name = "Redboot config",
+	 .size = MTDPART_SIZ_FULL,
+	 .offset = 0x01FFF000,
+	 .mask_flags = MTD_WRITEABLE	/* force read-only */
+	 },
+};
+
+static struct flash_platform_data mxc_flash_data = {
+	.map_name = "cfi_probe",
+	.width = 2,
+	.parts = mxc_nor_partitions,
+	.nr_parts = ARRAY_SIZE(mxc_nor_partitions),
+};
+
+static struct resource mxc_flash_resource = {
+	.start = 0xa0000000,
+	.end = 0xa0000000 + 0x04000000 - 1,
+	.flags = IORESOURCE_MEM,
+
+};
+
+static struct platform_device mxc_nor_mtd_device = {
+	.name = "mxc_nor_flash",
+	.id = 0,
+	.dev = {
+		.release = mxc_nop_release,
+		.platform_data = &mxc_flash_data,
+		},
+	.num_resources = 1,
+	.resource = &mxc_flash_resource,
+};
+
+static void mxc_init_nor_mtd(void)
+{
+	(void)platform_device_register(&mxc_nor_mtd_device);
+}
+#else
+static void mxc_init_nor_mtd(void)
+{
+}
+#endif
+
+/* MTD NAND flash */
+
+#if defined(CONFIG_MTD_NAND_MXC) || defined(CONFIG_MTD_NAND_MXC_MODULE)
+
+static struct mtd_partition mxc_nand_partitions[] = {
+	{
+	 .name = "IPL-SPL",
+	 .offset = 0,
+	 .size = 256 * 1024},
+	{
+	 .name = "nand.kernel",
+	 .offset = MTDPART_OFS_APPEND,
+	 .size = 4 * 1024 * 1024},
+	{
+	 .name = "nand.rootfs",
+	 .offset = MTDPART_OFS_APPEND,
+	 .size = 96 * 1024 * 1024},
+	{
+	 .name = "nand.configure",
+	 .offset = MTDPART_OFS_APPEND,
+	 .size = 8 * 1024 * 1024},
+	{
+	 .name = "nand.userfs",
+	 .offset = MTDPART_OFS_APPEND,
+	 .size = MTDPART_SIZ_FULL},
+};
+
+static struct flash_platform_data mxc_nand_data = {
+	.parts = mxc_nand_partitions,
+	.nr_parts = ARRAY_SIZE(mxc_nand_partitions),
+	.width = 1,
+};
+
+static struct platform_device mxc_nand_mtd_device = {
+	.name = "mxc_nand_flash",
+	.id = 0,
+	.dev = {
+		.release = mxc_nop_release,
+		.platform_data = &mxc_nand_data,
+		},
+};
+
+static void mxc_init_nand_mtd(void)
+{
+	if (__raw_readl(MXC_CCM_RCSR) & MXC_CCM_RCSR_NF16B)
+		mxc_nand_data.width = 2;
+
+	platform_device_register(&mxc_nand_mtd_device);
+}
+#else
+static inline void mxc_init_nand_mtd(void)
+{
+}
+#endif
+
+#if  defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+static struct resource smsc911x_resources[] = {
+	{
+	 .start = ENET_BASE_ADDRESS,
+	 .end = ENET_BASE_ADDRESS + 0x100,
+	 .flags = IORESOURCE_MEM,},
+	{
+	 .start = EXPIO_INT_ENET,
+	 .end = EXPIO_INT_ENET,
+	 .flags = IORESOURCE_IRQ,}
+};
+
+static struct platform_device mxc_smsc911x_device = {
+	.name = "smsc911x",
+	.id = 0,
+	.dev = {
+		.release = mxc_nop_release,
+		},
+	.num_resources = ARRAY_SIZE(smsc911x_resources),
+	.resource = smsc911x_resources,
+};
+
+static void mxc_init_enet(void)
+{
+	int i;
+	/*reset ext uart in cpld */
+	__raw_writew(PBC_BCTRL1_ENET_RST_B, PBC_BCTRL1_SET);
+	/*delay some time for reset finish */
+	for (i = 0; i < 10000; i++) ;
+	__raw_writew(PBC_BCTRL1_ENET_RST_B, PBC_BCTRL1_CLR);
+
+	platform_device_register(&mxc_smsc911x_device);
+}
+#else
+static inline void mxc_init_enet(void)
+{
+}
+#endif
+
+#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)
+unsigned int expio_intr_fec;
+
+EXPORT_SYMBOL(expio_intr_fec);
+#endif
+
+/*!
+ * Board specific fixup function. It is called by \b setup_arch() in
+ * setup.c file very early on during kernel starts. It allows the user to
+ * statically fill in the proper values for the passed-in parameters. None of
+ * the parameters is used currently.
+ *
+ * @param  desc         pointer to \b struct \b machine_desc
+ * @param  tags         pointer to \b struct \b tag
+ * @param  cmdline      pointer to the command line
+ * @param  mi           pointer to \b struct \b meminfo
+ */
+static void __init fixup_mxc_board(struct machine_desc *desc, struct tag *tags,
+				   char **cmdline, struct meminfo *mi)
+{
+	mxc_cpu_init();
+
+#ifdef CONFIG_DISCONTIGMEM
+	do {
+		int nid;
+		mi->nr_banks = MXC_NUMNODES;
+		for (nid = 0; nid < mi->nr_banks; nid++)
+			SET_NODE(mi, nid);
+	} while (0);
+#endif
+}
+
+/*!
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+	mxc_cpu_common_init();
+	mxc_clocks_init();
+	early_console_setup(saved_command_line);
+	mxc_register_gpios();
+	mx35evb_gpio_init();
+	mxc_init_enet();
+	mxc_init_nor_mtd();
+	mxc_init_nand_mtd();
+
+}
+
+#define PLL_PCTL_REG(brmo, pd, mfd, mfi, mfn)		\
+		(((brmo) << 31) + (((pd) - 1) << 26) + (((mfd) - 1) << 16) + \
+		((mfi)  << 10) + mfn)
+
+/* For 24MHz input clock */
+#define PLL_665MHZ		PLL_PCTL_REG(1, 1, 48, 13, 41)
+#define PLL_532MHZ		PLL_PCTL_REG(1, 1, 12, 11, 1)
+#define PLL_399MHZ		PLL_PCTL_REG(0, 1, 16, 8, 5)
+
+/* working point(wp): 0,1 - 133MHz; 2,3 - 266MHz; 4,5 - 399MHz;*/
+/* auto input clock table */
+static struct cpu_wp cpu_wp_auto[] = {
+	{
+	 .pll_reg = PLL_399MHZ,
+	 .pll_rate = 399000000,
+	 .cpu_rate = 133000000,
+	 .pdr0_reg = (0x2 << MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_399MHZ,
+	 .pll_rate = 399000000,
+	 .cpu_rate = 133000000,
+	 .pdr0_reg = (0x6 << MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_399MHZ,
+	 .pll_rate = 399000000,
+	 .cpu_rate = 266000000,
+	 .pdr0_reg = (0x1 << MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_399MHZ,
+	 .pll_rate = 399000000,
+	 .cpu_rate = 266000000,
+	 .pdr0_reg = (0x5 << MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_399MHZ,
+	 .pll_rate = 399000000,
+	 .cpu_rate = 399000000,
+	 .pdr0_reg = (0x0 << MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_399MHZ,
+	 .pll_rate = 399000000,
+	 .cpu_rate = 399000000,
+	 .pdr0_reg = (0x6 << MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET),},
+};
+
+/* consumer input clock table */
+static struct cpu_wp cpu_wp_con[] = {
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 133000000,
+	 .pdr0_reg = (0x6 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 133000000,
+	 .pdr0_reg = (0xE << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 266000000,
+	 .pdr0_reg = (0x2 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 266000000,
+	 .pdr0_reg = (0xA << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 399000000,
+	 .pdr0_reg = (0x1 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 399000000,
+	 .pdr0_reg = (0x9 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 532000000,
+	 .pdr0_reg = (0x0 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_532MHZ,
+	 .pll_rate = 532000000,
+	 .cpu_rate = 532000000,
+	 .pdr0_reg = (0x8 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+	{
+	 .pll_reg = PLL_665MHZ,
+	 .pll_rate = 665000000,
+	 .cpu_rate = 665000000,
+	 .pdr0_reg = (0x7 << MXC_CCM_PDR0_CON_MUX_DIV_OFFSET),},
+};
+
+struct cpu_wp *get_cpu_wp(int *wp)
+{
+	if (__raw_readl(MXC_CCM_PDR0) & MXC_CCM_PDR0_AUTO_CON) {
+		*wp = 9;
+		return cpu_wp_con;
+	} else {
+		*wp = 6;
+		return cpu_wp_auto;
+	}
+}
+
+/*
+ * The following uses standard kernel macros define in arch.h in order to
+ * initialize __mach_desc_MX35EVB data structure.
+ */
+/* *INDENT-OFF* */
+MACHINE_START(MX35EVB, "Freescale MX35 EVB")
+	/* Maintainer: Freescale Semiconductor, Inc. */
+	.phys_io = AIPS1_BASE_ADDR,
+	.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params = PHYS_OFFSET + 0x100,
+	.fixup = fixup_mxc_board,
+	.map_io = mxc_map_io,
+	.init_irq = mxc_init_irq,
+	.init_machine = mxc_board_init,
+	.timer = &mxc_timer,
+MACHINE_END