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Release 4.14 arch/mips/ar7/platform.c

Directory: arch/mips/ar7
/*
 * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
 * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/init.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <linux/vlynq.h>
#include <linux/leds.h>
#include <linux/string.h>
#include <linux/etherdevice.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/gpio.h>
#include <linux/clk.h>

#include <asm/addrspace.h>
#include <asm/mach-ar7/ar7.h>
#include <asm/mach-ar7/prom.h>

/*****************************************************************************
 * VLYNQ Bus
 ****************************************************************************/

struct plat_vlynq_data {
	
struct plat_vlynq_ops ops;
	
int gpio_bit;
	
int reset_bit;
};


static int vlynq_on(struct vlynq_device *dev) { int ret; struct plat_vlynq_data *pdata = dev->dev.platform_data; ret = gpio_request(pdata->gpio_bit, "vlynq"); if (ret) goto out; ar7_device_reset(pdata->reset_bit); ret = ar7_gpio_disable(pdata->gpio_bit); if (ret) goto out_enabled; ret = ar7_gpio_enable(pdata->gpio_bit); if (ret) goto out_enabled; ret = gpio_direction_output(pdata->gpio_bit, 0); if (ret) goto out_gpio_enabled; msleep(50); gpio_set_value(pdata->gpio_bit, 1); msleep(50); return 0; out_gpio_enabled: ar7_gpio_disable(pdata->gpio_bit); out_enabled: ar7_device_disable(pdata->reset_bit); gpio_free(pdata->gpio_bit); out: return ret; }

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PersonTokensPropCommitsCommitProp
Florian Fainelli14293.42%150.00%
Alexander Clouter106.58%150.00%
Total152100.00%2100.00%


static void vlynq_off(struct vlynq_device *dev) { struct plat_vlynq_data *pdata = dev->dev.platform_data; ar7_gpio_disable(pdata->gpio_bit); gpio_free(pdata->gpio_bit); ar7_device_disable(pdata->reset_bit); }

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PersonTokensPropCommitsCommitProp
Florian Fainelli43100.00%1100.00%
Total43100.00%1100.00%

static struct resource vlynq_low_res[] = { { .name = "regs", .flags = IORESOURCE_MEM, .start = AR7_REGS_VLYNQ0, .end = AR7_REGS_VLYNQ0 + 0xff, }, { .name = "irq", .flags = IORESOURCE_IRQ, .start = 29, .end = 29, }, { .name = "mem", .flags = IORESOURCE_MEM, .start = 0x04000000, .end = 0x04ffffff, }, { .name = "devirq", .flags = IORESOURCE_IRQ, .start = 80, .end = 111, }, }; static struct resource vlynq_high_res[] = { { .name = "regs", .flags = IORESOURCE_MEM, .start = AR7_REGS_VLYNQ1, .end = AR7_REGS_VLYNQ1 + 0xff, }, { .name = "irq", .flags = IORESOURCE_IRQ, .start = 33, .end = 33, }, { .name = "mem", .flags = IORESOURCE_MEM, .start = 0x0c000000, .end = 0x0cffffff, }, { .name = "devirq", .flags = IORESOURCE_IRQ, .start = 112, .end = 143, }, }; static struct plat_vlynq_data vlynq_low_data = { .ops = { .on = vlynq_on, .off = vlynq_off, }, .reset_bit = 20, .gpio_bit = 18, }; static struct plat_vlynq_data vlynq_high_data = { .ops = { .on = vlynq_on, .off = vlynq_off, }, .reset_bit = 16, .gpio_bit = 19, }; static struct platform_device vlynq_low = { .id = 0, .name = "vlynq", .dev = { .platform_data = &vlynq_low_data, }, .resource = vlynq_low_res, .num_resources = ARRAY_SIZE(vlynq_low_res), }; static struct platform_device vlynq_high = { .id = 1, .name = "vlynq", .dev = { .platform_data = &vlynq_high_data, }, .resource = vlynq_high_res, .num_resources = ARRAY_SIZE(vlynq_high_res), }; /***************************************************************************** * Flash ****************************************************************************/ static struct resource physmap_flash_resource = { .name = "mem", .flags = IORESOURCE_MEM, .start = 0x10000000, .end = 0x107fffff, }; static const char *ar7_probe_types[] = { "ar7part", NULL }; static struct physmap_flash_data physmap_flash_data = { .width = 2, .part_probe_types = ar7_probe_types, }; static struct platform_device physmap_flash = { .name = "physmap-flash", .dev = { .platform_data = &physmap_flash_data, }, .resource = &physmap_flash_resource, .num_resources = 1, }; /***************************************************************************** * Ethernet ****************************************************************************/ static struct resource cpmac_low_res[] = { { .name = "regs", .flags = IORESOURCE_MEM, .start = AR7_REGS_MAC0, .end = AR7_REGS_MAC0 + 0x7ff, }, { .name = "irq", .flags = IORESOURCE_IRQ, .start = 27, .end = 27, }, }; static struct resource cpmac_high_res[] = { { .name = "regs", .flags = IORESOURCE_MEM, .start = AR7_REGS_MAC1, .end = AR7_REGS_MAC1 + 0x7ff, }, { .name = "irq", .flags = IORESOURCE_IRQ, .start = 41, .end = 41, }, }; static struct fixed_phy_status fixed_phy_status __initdata = { .link = 1, .speed = 100, .duplex = 1, }; static struct plat_cpmac_data cpmac_low_data = { .reset_bit = 17, .power_bit = 20, .phy_mask = 0x80000000, }; static struct plat_cpmac_data cpmac_high_data = { .reset_bit = 21, .power_bit = 22, .phy_mask = 0x7fffffff, }; static u64 cpmac_dma_mask = DMA_BIT_MASK(32); static struct platform_device cpmac_low = { .id = 0, .name = "cpmac", .dev = { .dma_mask = &cpmac_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &cpmac_low_data, }, .resource = cpmac_low_res, .num_resources = ARRAY_SIZE(cpmac_low_res), }; static struct platform_device cpmac_high = { .id = 1, .name = "cpmac", .dev = { .dma_mask = &cpmac_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &cpmac_high_data, }, .resource = cpmac_high_res, .num_resources = ARRAY_SIZE(cpmac_high_res), };
static void __init cpmac_get_mac(int instance, unsigned char *dev_addr) { char name[5], *mac; sprintf(name, "mac%c", 'a' + instance); mac = prom_getenv(name); if (!mac && instance) { sprintf(name, "mac%c", 'a'); mac = prom_getenv(name); } if (mac) { if (!mac_pton(mac, dev_addr)) { pr_warn("cannot parse mac address, using random address\n"); eth_random_addr(dev_addr); } } else eth_random_addr(dev_addr); }

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PersonTokensPropCommitsCommitProp
Alexander Clouter9594.06%240.00%
Joe Perches43.96%240.00%
Daniel Walter21.98%120.00%
Total101100.00%5100.00%

/***************************************************************************** * USB ****************************************************************************/ static struct resource usb_res[] = { { .name = "regs", .flags = IORESOURCE_MEM, .start = AR7_REGS_USB, .end = AR7_REGS_USB + 0xff, }, { .name = "irq", .flags = IORESOURCE_IRQ, .start = 32, .end = 32, }, { .name = "mem", .flags = IORESOURCE_MEM, .start = 0x03400000, .end = 0x03401fff, }, }; static struct platform_device ar7_udc = { .name = "ar7_udc", .resource = usb_res, .num_resources = ARRAY_SIZE(usb_res), }; /***************************************************************************** * LEDs ****************************************************************************/ static struct gpio_led default_leds[] = { { .name = "status", .gpio = 8, .active_low = 1, }, }; static struct gpio_led titan_leds[] = { { .name = "status", .gpio = 8, .active_low = 1, }, { .name = "wifi", .gpio = 13, .active_low = 1, }, }; static struct gpio_led dsl502t_leds[] = { { .name = "status", .gpio = 9, .active_low = 1, }, { .name = "ethernet", .gpio = 7, .active_low = 1, }, { .name = "usb", .gpio = 12, .active_low = 1, }, }; static struct gpio_led dg834g_leds[] = { { .name = "ppp", .gpio = 6, .active_low = 1, }, { .name = "status", .gpio = 7, .active_low = 1, }, { .name = "adsl", .gpio = 8, .active_low = 1, }, { .name = "wifi", .gpio = 12, .active_low = 1, }, { .name = "power", .gpio = 14, .active_low = 1, .default_trigger = "default-on", }, }; static struct gpio_led fb_sl_leds[] = { { .name = "1", .gpio = 7, }, { .name = "2", .gpio = 13, .active_low = 1, }, { .name = "3", .gpio = 10, .active_low = 1, }, { .name = "4", .gpio = 12, .active_low = 1, }, { .name = "5", .gpio = 9, .active_low = 1, }, }; static struct gpio_led fb_fon_leds[] = { { .name = "1", .gpio = 8, }, { .name = "2", .gpio = 3, .active_low = 1, }, { .name = "3", .gpio = 5, }, { .name = "4", .gpio = 4, .active_low = 1, }, { .name = "5", .gpio = 11, .active_low = 1, }, }; static struct gpio_led gt701_leds[] = { { .name = "inet:green", .gpio = 13, .active_low = 1, }, { .name = "usb", .gpio = 12, .active_low = 1, }, { .name = "inet:red", .gpio = 9, .active_low = 1, }, { .name = "power:red", .gpio = 7, .active_low = 1, }, { .name = "power:green", .gpio = 8, .active_low = 1, .default_trigger = "default-on", }, { .name = "ethernet", .gpio = 10, .active_low = 1, }, }; static struct gpio_led_platform_data ar7_led_data; static struct platform_device ar7_gpio_leds = { .name = "leds-gpio", .dev = { .platform_data = &ar7_led_data, } };
static void __init detect_leds(void) { char *prid, *usb_prod; /* Default LEDs */ ar7_led_data.num_leds = ARRAY_SIZE(default_leds); ar7_led_data.leds = default_leds; /* FIXME: the whole thing is unreliable */ prid = prom_getenv("ProductID"); usb_prod = prom_getenv("usb_prod"); /* If we can't get the product id from PROM, use the default LEDs */ if (!prid) return; if (strstr(prid, "Fritz_Box_FON")) { ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); ar7_led_data.leds = fb_fon_leds; } else if (strstr(prid, "Fritz_Box_")) { ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); ar7_led_data.leds = fb_sl_leds; } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB")) && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); ar7_led_data.leds = dsl502t_leds; } else if (strstr(prid, "DG834")) { ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); ar7_led_data.leds = dg834g_leds; } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) { ar7_led_data.num_leds = ARRAY_SIZE(titan_leds); ar7_led_data.leds = titan_leds; } else if (strstr(prid, "GT701")) { ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds); ar7_led_data.leds = gt701_leds; } }

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PersonTokensPropCommitsCommitProp
Florian Fainelli24399.59%375.00%
Ralf Bächle10.41%125.00%
Total244100.00%4100.00%

/***************************************************************************** * Watchdog ****************************************************************************/ static struct resource ar7_wdt_res = { .name = "regs", .flags = IORESOURCE_MEM, .start = -1, /* Filled at runtime */ .end = -1, /* Filled at runtime */ }; static struct platform_device ar7_wdt = { .name = "ar7_wdt", .resource = &ar7_wdt_res, .num_resources = 1, }; /***************************************************************************** * Init ****************************************************************************/
static int __init ar7_register_uarts(void) { #ifdef CONFIG_SERIAL_8250 static struct uart_port uart_port __initdata; struct clk *bus_clk; int res; memset(&uart_port, 0, sizeof(struct uart_port)); bus_clk = clk_get(NULL, "bus"); if (IS_ERR(bus_clk)) panic("unable to get bus clk"); uart_port.type = PORT_AR7; uart_port.uartclk = clk_get_rate(bus_clk) / 2; uart_port.iotype = UPIO_MEM32; uart_port.flags = UPF_FIXED_TYPE; uart_port.regshift = 2; uart_port.line = 0; uart_port.irq = AR7_IRQ_UART0; uart_port.mapbase = AR7_REGS_UART0; uart_port.membase = ioremap(uart_port.mapbase, 256); res = early_serial_setup(&uart_port); if (res) return res; /* Only TNETD73xx have a second serial port */ if (ar7_has_second_uart()) { uart_port.line = 1; uart_port.irq = AR7_IRQ_UART1; uart_port.mapbase = UR8_REGS_UART1; uart_port.membase = ioremap(uart_port.mapbase, 256); res = early_serial_setup(&uart_port); if (res) return res; } #endif return 0; }

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PersonTokensPropCommitsCommitProp
Florian Fainelli16783.08%450.00%
Alexander Clouter2612.94%112.50%
Oswald Buddenhagen62.99%112.50%
Dmitri Vorobiev10.50%112.50%
Ralf Bächle10.50%112.50%
Total201100.00%8100.00%


static void __init titan_fixup_devices(void) { /* Set vlynq0 data */ vlynq_low_data.reset_bit = 15; vlynq_low_data.gpio_bit = 14; /* Set vlynq1 data */ vlynq_high_data.reset_bit = 16; vlynq_high_data.gpio_bit = 7; /* Set vlynq0 resources */ vlynq_low_res[0].start = TITAN_REGS_VLYNQ0; vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff; vlynq_low_res[1].start = 33; vlynq_low_res[1].end = 33; vlynq_low_res[2].start = 0x0c000000; vlynq_low_res[2].end = 0x0fffffff; vlynq_low_res[3].start = 80; vlynq_low_res[3].end = 111; /* Set vlynq1 resources */ vlynq_high_res[0].start = TITAN_REGS_VLYNQ1; vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff; vlynq_high_res[1].start = 34; vlynq_high_res[1].end = 34; vlynq_high_res[2].start = 0x40000000; vlynq_high_res[2].end = 0x43ffffff; vlynq_high_res[3].start = 112; vlynq_high_res[3].end = 143; /* Set cpmac0 data */ cpmac_low_data.phy_mask = 0x40000000; /* Set cpmac1 data */ cpmac_high_data.phy_mask = 0x80000000; /* Set cpmac0 resources */ cpmac_low_res[0].start = TITAN_REGS_MAC0; cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff; /* Set cpmac1 resources */ cpmac_high_res[0].start = TITAN_REGS_MAC1; cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff; }

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PersonTokensPropCommitsCommitProp
Florian Fainelli241100.00%1100.00%
Total241100.00%1100.00%


static int __init ar7_register_devices(void) { void __iomem *bootcr; u32 val; int res; res = ar7_gpio_init(); if (res) pr_warn("unable to register gpios: %d\n", res); res = ar7_register_uarts(); if (res) pr_err("unable to setup uart(s): %d\n", res); res = platform_device_register(&physmap_flash); if (res) pr_warn("unable to register physmap-flash: %d\n", res); if (ar7_is_titan()) titan_fixup_devices(); ar7_device_disable(vlynq_low_data.reset_bit); res = platform_device_register(&vlynq_low); if (res) pr_warn("unable to register vlynq-low: %d\n", res); if (ar7_has_high_vlynq()) { ar7_device_disable(vlynq_high_data.reset_bit); res = platform_device_register(&vlynq_high); if (res) pr_warn("unable to register vlynq-high: %d\n", res); } if (ar7_has_high_cpmac()) { res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status, -1); if (!res) { cpmac_get_mac(1, cpmac_high_data.dev_addr); res = platform_device_register(&cpmac_high); if (res) pr_warn("unable to register cpmac-high: %d\n", res); } else pr_warn("unable to add cpmac-high phy: %d\n", res); } else cpmac_low_data.phy_mask = 0xffffffff; res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status, -1); if (!res) { cpmac_get_mac(0, cpmac_low_data.dev_addr); res = platform_device_register(&cpmac_low); if (res) pr_warn("unable to register cpmac-low: %d\n", res); } else pr_warn("unable to add cpmac-low phy: %d\n", res); detect_leds(); res = platform_device_register(&ar7_gpio_leds); if (res) pr_warn("unable to register leds: %d\n", res); res = platform_device_register(&ar7_udc); if (res) pr_warn("unable to register usb slave: %d\n", res); /* Register watchdog only if enabled in hardware */ bootcr = ioremap_nocache(AR7_REGS_DCL, 4); val = readl(bootcr); iounmap(bootcr); if (val & AR7_WDT_HW_ENA) { if (ar7_has_high_vlynq()) ar7_wdt_res.start = UR8_REGS_WDT; else ar7_wdt_res.start = AR7_REGS_WDT; ar7_wdt_res.end = ar7_wdt_res.start + 0x20; res = platform_device_register(&ar7_wdt); if (res) pr_warn("unable to register watchdog: %d\n", res); } return 0; }

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PersonTokensPropCommitsCommitProp
Florian Fainelli21354.20%654.55%
Alexander Clouter14837.66%218.18%
Jonas Gorski164.07%19.09%
Joe Perches102.54%19.09%
Andrew Lunn61.53%19.09%
Total393100.00%11100.00%

device_initcall(ar7_register_devices);

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PersonTokensPropCommitsCommitProp
Florian Fainelli206971.67%1448.28%
Alexander Clouter77026.67%620.69%
Jonas Gorski160.55%13.45%
Joe Perches140.48%26.90%
Andrew Lunn60.21%13.45%
Oswald Buddenhagen60.21%13.45%
Ralf Bächle30.10%26.90%
Daniel Walter20.07%13.45%
Dmitri Vorobiev10.03%13.45%
Total2887100.00%29100.00%
Directory: arch/mips/ar7
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