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f451ca3e4b
We're going to extend the cp_intc_init() function with a config structure so we can drop the intc-related fields from davinci_soc_info. Once we do it, we won't be able to use this routine directly as the init_irq callback. Wrap the calls in additional helpers that don't take parameters and can be assigned to init_irq. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: David Lechner <david@lechnology.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
636 lines
14 KiB
C
636 lines
14 KiB
C
/*
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* Critical Link MityOMAP-L138 SoM
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*
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* Copyright (C) 2010 Critical Link LLC - http://www.criticallink.com
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of
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* any kind, whether express or implied.
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*/
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#define pr_fmt(fmt) "MityOMAPL138: " fmt
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/console.h>
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#include <linux/platform_device.h>
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#include <linux/property.h>
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#include <linux/mtd/partitions.h>
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#include <linux/notifier.h>
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#include <linux/nvmem-consumer.h>
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#include <linux/nvmem-provider.h>
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#include <linux/regulator/machine.h>
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#include <linux/i2c.h>
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#include <linux/etherdevice.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/common.h>
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#include <mach/da8xx.h>
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#include <linux/platform_data/mtd-davinci.h>
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#include <linux/platform_data/mtd-davinci-aemif.h>
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#include <linux/platform_data/ti-aemif.h>
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#include <mach/mux.h>
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#include <linux/platform_data/spi-davinci.h>
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#define MITYOMAPL138_PHY_ID ""
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#define FACTORY_CONFIG_MAGIC 0x012C0138
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#define FACTORY_CONFIG_VERSION 0x00010001
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/* Data Held in On-Board I2C device */
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struct factory_config {
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u32 magic;
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u32 version;
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u8 mac[6];
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u32 fpga_type;
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u32 spare;
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u32 serialnumber;
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char partnum[32];
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};
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static struct factory_config factory_config;
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#ifdef CONFIG_CPU_FREQ
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struct part_no_info {
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const char *part_no; /* part number string of interest */
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int max_freq; /* khz */
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};
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static struct part_no_info mityomapl138_pn_info[] = {
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{
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.part_no = "L138-C",
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.max_freq = 300000,
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},
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{
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.part_no = "L138-D",
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.max_freq = 375000,
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},
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{
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.part_no = "L138-F",
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.max_freq = 456000,
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},
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{
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.part_no = "1808-C",
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.max_freq = 300000,
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},
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{
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.part_no = "1808-D",
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.max_freq = 375000,
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},
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{
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.part_no = "1808-F",
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.max_freq = 456000,
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},
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{
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.part_no = "1810-D",
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.max_freq = 375000,
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},
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};
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static void mityomapl138_cpufreq_init(const char *partnum)
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{
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int i, ret;
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for (i = 0; partnum && i < ARRAY_SIZE(mityomapl138_pn_info); i++) {
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/*
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* the part number has additional characters beyond what is
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* stored in the table. This information is not needed for
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* determining the speed grade, and would require several
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* more table entries. Only check the first N characters
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* for a match.
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*/
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if (!strncmp(partnum, mityomapl138_pn_info[i].part_no,
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strlen(mityomapl138_pn_info[i].part_no))) {
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da850_max_speed = mityomapl138_pn_info[i].max_freq;
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break;
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}
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}
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ret = da850_register_cpufreq("pll0_sysclk3");
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if (ret)
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pr_warn("cpufreq registration failed: %d\n", ret);
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}
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#else
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static void mityomapl138_cpufreq_init(const char *partnum) { }
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#endif
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static int read_factory_config(struct notifier_block *nb,
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unsigned long event, void *data)
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{
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int ret;
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const char *partnum = NULL;
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struct nvmem_device *nvmem = data;
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if (strcmp(nvmem_dev_name(nvmem), "1-00500") != 0)
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return NOTIFY_DONE;
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if (!IS_BUILTIN(CONFIG_NVMEM)) {
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pr_warn("Factory Config not available without CONFIG_NVMEM\n");
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goto bad_config;
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}
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ret = nvmem_device_read(nvmem, 0, sizeof(factory_config),
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&factory_config);
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if (ret != sizeof(struct factory_config)) {
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pr_warn("Read Factory Config Failed: %d\n", ret);
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goto bad_config;
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}
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if (factory_config.magic != FACTORY_CONFIG_MAGIC) {
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pr_warn("Factory Config Magic Wrong (%X)\n",
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factory_config.magic);
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goto bad_config;
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}
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if (factory_config.version != FACTORY_CONFIG_VERSION) {
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pr_warn("Factory Config Version Wrong (%X)\n",
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factory_config.version);
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goto bad_config;
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}
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partnum = factory_config.partnum;
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pr_info("Part Number = %s\n", partnum);
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bad_config:
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/* default maximum speed is valid for all platforms */
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mityomapl138_cpufreq_init(partnum);
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return NOTIFY_STOP;
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}
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static struct notifier_block mityomapl138_nvmem_notifier = {
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.notifier_call = read_factory_config,
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};
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/*
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* We don't define a cell for factory config as it will be accessed from the
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* board file using the nvmem notifier chain.
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*/
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static struct nvmem_cell_info mityomapl138_nvmem_cells[] = {
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{
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.name = "macaddr",
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.offset = 0x64,
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.bytes = ETH_ALEN,
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}
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};
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static struct nvmem_cell_table mityomapl138_nvmem_cell_table = {
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.nvmem_name = "1-00500",
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.cells = mityomapl138_nvmem_cells,
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.ncells = ARRAY_SIZE(mityomapl138_nvmem_cells),
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};
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static struct nvmem_cell_lookup mityomapl138_nvmem_cell_lookup = {
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.nvmem_name = "1-00500",
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.cell_name = "macaddr",
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.dev_id = "davinci_emac.1",
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.con_id = "mac-address",
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};
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static const struct property_entry mityomapl138_fd_chip_properties[] = {
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PROPERTY_ENTRY_U32("pagesize", 8),
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PROPERTY_ENTRY_BOOL("read-only"),
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{ }
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};
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static struct davinci_i2c_platform_data mityomap_i2c_0_pdata = {
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.bus_freq = 100, /* kHz */
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.bus_delay = 0, /* usec */
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};
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/* TPS65023 voltage regulator support */
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/* 1.2V Core */
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static struct regulator_consumer_supply tps65023_dcdc1_consumers[] = {
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{
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.supply = "cvdd",
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},
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};
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/* 1.8V */
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static struct regulator_consumer_supply tps65023_dcdc2_consumers[] = {
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{
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.supply = "usb0_vdda18",
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},
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{
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.supply = "usb1_vdda18",
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},
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{
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.supply = "ddr_dvdd18",
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},
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{
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.supply = "sata_vddr",
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},
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};
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/* 1.2V */
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static struct regulator_consumer_supply tps65023_dcdc3_consumers[] = {
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{
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.supply = "sata_vdd",
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},
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{
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.supply = "usb_cvdd",
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},
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{
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.supply = "pll0_vdda",
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},
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{
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.supply = "pll1_vdda",
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},
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};
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/* 1.8V Aux LDO, not used */
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static struct regulator_consumer_supply tps65023_ldo1_consumers[] = {
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{
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.supply = "1.8v_aux",
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},
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};
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/* FPGA VCC Aux (2.5 or 3.3) LDO */
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static struct regulator_consumer_supply tps65023_ldo2_consumers[] = {
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{
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.supply = "vccaux",
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},
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};
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static struct regulator_init_data tps65023_regulator_data[] = {
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/* dcdc1 */
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{
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.constraints = {
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.min_uV = 1150000,
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.max_uV = 1350000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
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REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(tps65023_dcdc1_consumers),
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.consumer_supplies = tps65023_dcdc1_consumers,
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},
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/* dcdc2 */
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{
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(tps65023_dcdc2_consumers),
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.consumer_supplies = tps65023_dcdc2_consumers,
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},
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/* dcdc3 */
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{
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.constraints = {
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.min_uV = 1200000,
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.max_uV = 1200000,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(tps65023_dcdc3_consumers),
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.consumer_supplies = tps65023_dcdc3_consumers,
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},
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/* ldo1 */
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{
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(tps65023_ldo1_consumers),
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.consumer_supplies = tps65023_ldo1_consumers,
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},
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/* ldo2 */
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{
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.constraints = {
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.min_uV = 2500000,
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.max_uV = 3300000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
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REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(tps65023_ldo2_consumers),
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.consumer_supplies = tps65023_ldo2_consumers,
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},
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};
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static struct i2c_board_info __initdata mityomap_tps65023_info[] = {
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{
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I2C_BOARD_INFO("tps65023", 0x48),
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.platform_data = &tps65023_regulator_data[0],
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},
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{
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I2C_BOARD_INFO("24c02", 0x50),
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.properties = mityomapl138_fd_chip_properties,
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},
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};
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static int __init pmic_tps65023_init(void)
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{
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return i2c_register_board_info(1, mityomap_tps65023_info,
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ARRAY_SIZE(mityomap_tps65023_info));
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}
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/*
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* SPI Devices:
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* SPI1_CS0: 8M Flash ST-M25P64-VME6G
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*/
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static struct mtd_partition spi_flash_partitions[] = {
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[0] = {
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.name = "ubl",
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.offset = 0,
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.size = SZ_64K,
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.mask_flags = MTD_WRITEABLE,
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},
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[1] = {
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.name = "u-boot",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_512K,
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.mask_flags = MTD_WRITEABLE,
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},
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[2] = {
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.name = "u-boot-env",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_64K,
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.mask_flags = MTD_WRITEABLE,
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},
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[3] = {
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.name = "periph-config",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_64K,
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.mask_flags = MTD_WRITEABLE,
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},
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[4] = {
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.name = "reserved",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K + SZ_64K,
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},
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[5] = {
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M + SZ_1M,
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},
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[6] = {
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.name = "fpga",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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},
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[7] = {
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.name = "spare",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct flash_platform_data mityomapl138_spi_flash_data = {
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.name = "m25p80",
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.parts = spi_flash_partitions,
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.nr_parts = ARRAY_SIZE(spi_flash_partitions),
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.type = "m24p64",
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};
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static struct davinci_spi_config spi_eprom_config = {
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.io_type = SPI_IO_TYPE_DMA,
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.c2tdelay = 8,
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.t2cdelay = 8,
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};
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static struct spi_board_info mityomapl138_spi_flash_info[] = {
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{
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.modalias = "m25p80",
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.platform_data = &mityomapl138_spi_flash_data,
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.controller_data = &spi_eprom_config,
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.mode = SPI_MODE_0,
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.max_speed_hz = 30000000,
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.bus_num = 1,
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.chip_select = 0,
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},
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};
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/*
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* MityDSP-L138 includes a 256 MByte large-page NAND flash
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* (128K blocks).
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*/
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static struct mtd_partition mityomapl138_nandflash_partition[] = {
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{
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.name = "rootfs",
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.offset = 0,
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.size = SZ_128M,
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.mask_flags = 0, /* MTD_WRITEABLE, */
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},
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{
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.name = "homefs",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0,
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},
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};
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static struct davinci_nand_pdata mityomapl138_nandflash_data = {
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.core_chipsel = 1,
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.parts = mityomapl138_nandflash_partition,
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.nr_parts = ARRAY_SIZE(mityomapl138_nandflash_partition),
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.ecc_mode = NAND_ECC_HW,
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.bbt_options = NAND_BBT_USE_FLASH,
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.options = NAND_BUSWIDTH_16,
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.ecc_bits = 1, /* 4 bit mode is not supported with 16 bit NAND */
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};
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static struct resource mityomapl138_nandflash_resource[] = {
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{
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.start = DA8XX_AEMIF_CS3_BASE,
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.end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = DA8XX_AEMIF_CTL_BASE,
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.end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device mityomapl138_aemif_devices[] = {
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{
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.name = "davinci_nand",
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.id = 1,
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.dev = {
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.platform_data = &mityomapl138_nandflash_data,
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},
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.num_resources = ARRAY_SIZE(mityomapl138_nandflash_resource),
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.resource = mityomapl138_nandflash_resource,
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},
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};
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static struct resource mityomapl138_aemif_resources[] = {
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{
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.start = DA8XX_AEMIF_CTL_BASE,
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.end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct aemif_abus_data mityomapl138_aemif_abus_data[] = {
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{
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.cs = 1,
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},
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};
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static struct aemif_platform_data mityomapl138_aemif_pdata = {
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.abus_data = mityomapl138_aemif_abus_data,
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.num_abus_data = ARRAY_SIZE(mityomapl138_aemif_abus_data),
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.sub_devices = mityomapl138_aemif_devices,
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.num_sub_devices = ARRAY_SIZE(mityomapl138_aemif_devices),
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};
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static struct platform_device mityomapl138_aemif_device = {
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.name = "ti-aemif",
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.id = -1,
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.dev = {
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.platform_data = &mityomapl138_aemif_pdata,
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},
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.resource = mityomapl138_aemif_resources,
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.num_resources = ARRAY_SIZE(mityomapl138_aemif_resources),
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};
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static void __init mityomapl138_setup_nand(void)
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{
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if (platform_device_register(&mityomapl138_aemif_device))
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pr_warn("%s: Cannot register AEMIF device\n", __func__);
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}
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|
|
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static const short mityomap_mii_pins[] = {
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DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
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DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
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DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
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DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
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|
DA850_MDIO_D,
|
|
-1
|
|
};
|
|
|
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static const short mityomap_rmii_pins[] = {
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DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
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DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
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|
DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
|
|
DA850_MDIO_D,
|
|
-1
|
|
};
|
|
|
|
static void __init mityomapl138_config_emac(void)
|
|
{
|
|
void __iomem *cfg_chip3_base;
|
|
int ret;
|
|
u32 val;
|
|
struct davinci_soc_info *soc_info = &davinci_soc_info;
|
|
|
|
soc_info->emac_pdata->rmii_en = 0; /* hardcoded for now */
|
|
|
|
cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
|
|
val = __raw_readl(cfg_chip3_base);
|
|
|
|
if (soc_info->emac_pdata->rmii_en) {
|
|
val |= BIT(8);
|
|
ret = davinci_cfg_reg_list(mityomap_rmii_pins);
|
|
pr_info("RMII PHY configured\n");
|
|
} else {
|
|
val &= ~BIT(8);
|
|
ret = davinci_cfg_reg_list(mityomap_mii_pins);
|
|
pr_info("MII PHY configured\n");
|
|
}
|
|
|
|
if (ret) {
|
|
pr_warn("mii/rmii mux setup failed: %d\n", ret);
|
|
return;
|
|
}
|
|
|
|
/* configure the CFGCHIP3 register for RMII or MII */
|
|
__raw_writel(val, cfg_chip3_base);
|
|
|
|
soc_info->emac_pdata->phy_id = MITYOMAPL138_PHY_ID;
|
|
|
|
ret = da8xx_register_emac();
|
|
if (ret)
|
|
pr_warn("emac registration failed: %d\n", ret);
|
|
}
|
|
|
|
static void __init mityomapl138_init(void)
|
|
{
|
|
int ret;
|
|
|
|
da850_register_clocks();
|
|
|
|
/* for now, no special EDMA channels are reserved */
|
|
ret = da850_register_edma(NULL);
|
|
if (ret)
|
|
pr_warn("edma registration failed: %d\n", ret);
|
|
|
|
ret = da8xx_register_watchdog();
|
|
if (ret)
|
|
pr_warn("watchdog registration failed: %d\n", ret);
|
|
|
|
davinci_serial_init(da8xx_serial_device);
|
|
|
|
nvmem_register_notifier(&mityomapl138_nvmem_notifier);
|
|
nvmem_add_cell_table(&mityomapl138_nvmem_cell_table);
|
|
nvmem_add_cell_lookups(&mityomapl138_nvmem_cell_lookup, 1);
|
|
|
|
ret = da8xx_register_i2c(0, &mityomap_i2c_0_pdata);
|
|
if (ret)
|
|
pr_warn("i2c0 registration failed: %d\n", ret);
|
|
|
|
ret = pmic_tps65023_init();
|
|
if (ret)
|
|
pr_warn("TPS65023 PMIC init failed: %d\n", ret);
|
|
|
|
mityomapl138_setup_nand();
|
|
|
|
ret = spi_register_board_info(mityomapl138_spi_flash_info,
|
|
ARRAY_SIZE(mityomapl138_spi_flash_info));
|
|
if (ret)
|
|
pr_warn("spi info registration failed: %d\n", ret);
|
|
|
|
ret = da8xx_register_spi_bus(1,
|
|
ARRAY_SIZE(mityomapl138_spi_flash_info));
|
|
if (ret)
|
|
pr_warn("spi 1 registration failed: %d\n", ret);
|
|
|
|
mityomapl138_config_emac();
|
|
|
|
ret = da8xx_register_rtc();
|
|
if (ret)
|
|
pr_warn("rtc setup failed: %d\n", ret);
|
|
|
|
ret = da8xx_register_cpuidle();
|
|
if (ret)
|
|
pr_warn("cpuidle registration failed: %d\n", ret);
|
|
|
|
davinci_pm_init();
|
|
}
|
|
|
|
#ifdef CONFIG_SERIAL_8250_CONSOLE
|
|
static int __init mityomapl138_console_init(void)
|
|
{
|
|
if (!machine_is_mityomapl138())
|
|
return 0;
|
|
|
|
return add_preferred_console("ttyS", 1, "115200");
|
|
}
|
|
console_initcall(mityomapl138_console_init);
|
|
#endif
|
|
|
|
static void __init mityomapl138_map_io(void)
|
|
{
|
|
da850_init();
|
|
}
|
|
|
|
MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
|
|
.atag_offset = 0x100,
|
|
.map_io = mityomapl138_map_io,
|
|
.init_irq = da850_init_irq,
|
|
.init_time = da850_init_time,
|
|
.init_machine = mityomapl138_init,
|
|
.init_late = davinci_init_late,
|
|
.dma_zone_size = SZ_128M,
|
|
MACHINE_END
|