-/*
- * $Id$
- *
- * Copyright (C) 2006, 2007 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/autoconf.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/delay.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 <asm/addrspace.h>
-#include <asm/io.h>
-#include <asm/ar7/ar7.h>
-#include <asm/ar7/gpio.h>
-#include <asm/ar7/prom.h>
-#include <asm/ar7/vlynq.h>
-
-struct plat_vlynq_data {
- struct plat_vlynq_ops ops;
- int gpio_bit;
- int reset_bit;
-};
-
-
-static int vlynq_on(struct vlynq_device *dev)
-{
- int result;
- struct plat_vlynq_data *pdata = dev->dev.platform_data;
-
- if ((result = gpio_request(pdata->gpio_bit, "vlynq")))
- goto out;
-
- ar7_device_reset(pdata->reset_bit);
-
- if ((result = ar7_gpio_disable(pdata->gpio_bit)))
- goto out_enabled;
-
- if ((result = ar7_gpio_enable(pdata->gpio_bit)))
- goto out_enabled;
-
- if ((result = gpio_direction_output(pdata->gpio_bit)))
- goto out_gpio_enabled;
-
- gpio_set_value(pdata->gpio_bit, 0);
- mdelay(50);
-
- gpio_set_value(pdata->gpio_bit, 1);
- mdelay(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 result;
-}
-
-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);
-}
-
-static struct resource physmap_flash_resource = {
- .name = "mem",
- .flags = IORESOURCE_MEM,
- .start = 0x10000000,
- .end = 0x107fffff,
-};
-
-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 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 physmap_flash_data physmap_flash_data = {
- .width = 2,
-};
-
-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 struct plat_vlynq_data vlynq_low_data = {
- .ops.on = vlynq_on,
- .ops.off = vlynq_off,
- .reset_bit = 20,
- .gpio_bit = 18,
-};
-
-static struct plat_vlynq_data vlynq_high_data = {
- .ops.on = vlynq_on,
- .ops.off = vlynq_off,
- .reset_bit = 16,
- .gpio_bit = 19,
-};
-
-static struct platform_device physmap_flash = {
- .id = 0,
- .name = "physmap-flash",
- .dev.platform_data = &physmap_flash_data,
- .resource = &physmap_flash_resource,
- .num_resources = 1,
-};
-
-static struct platform_device cpmac_low = {
- .id = 0,
- .name = "cpmac",
- .dev.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.platform_data = &cpmac_high_data,
- .resource = cpmac_high_res,
- .num_resources = ARRAY_SIZE(cpmac_high_res),
-};
-
-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),
-};
-
-
-/* This is proper way to define uart ports, but they are then detected
- * as xscale and, obviously, don't work...
- */
-#if !defined(CONFIG_SERIAL_8250)
-
-static struct plat_serial8250_port uart0_data =
-{
- .mapbase = AR7_REGS_UART0,
- .irq = AR7_IRQ_UART0,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
-};
-
-static struct plat_serial8250_port uart1_data =
-{
- .mapbase = UR8_REGS_UART1,
- .irq = AR7_IRQ_UART1,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
-};
-
-static struct plat_serial8250_port uart_data[] = {
- uart0_data,
- uart1_data,
- { .flags = 0 }
-};
-
-static struct plat_serial8250_port uart_data_single[] = {
- uart0_data,
- { .flags = 0 }
-};
-
-static struct platform_device uart = {
- .id = 0,
- .name = "serial8250",
- .dev.platform_data = uart_data_single
-};
-#endif
-
-static inline unsigned char char2hex(char h)
-{
- switch (h) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- return h - '0';
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
- return h - 'A' + 10;
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
- return h - 'a' + 10;
- default:
- return 0;
- }
-}
-
-static void cpmac_get_mac(int instance, unsigned char *dev_addr)
-{
- int i;
- char name[5], default_mac[] = "00:00:00:12:34:56", *mac;
-
- mac = NULL;
- sprintf(name, "mac%c", 'a' + instance);
- mac = prom_getenv(name);
- if (!mac) {
- sprintf(name, "mac%c", 'a');
- mac = prom_getenv(name);
- }
- if (!mac)
- mac = default_mac;
- for (i = 0; i < 6; i++)
- dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
- char2hex(mac[i * 3 + 1]);
-}
-
-static int __init ar7_register_devices(void)
-{
- int res;
-
-#ifdef CONFIG_SERIAL_8250
-
- static struct uart_port uart_port[2];
-
- memset(uart_port, 0, sizeof(struct uart_port) * 2);
-
- uart_port[0].type = PORT_AR7;
- uart_port[0].line = 0;
- uart_port[0].irq = AR7_IRQ_UART0;
- uart_port[0].uartclk = ar7_bus_freq() / 2;
- uart_port[0].iotype = UPIO_MEM;
- uart_port[0].mapbase = AR7_REGS_UART0;
- uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
- uart_port[0].regshift = 2;
- res = early_serial_setup(&uart_port[0]);
- if (res)
- return res;
-
-
- // Only TNETD73xx have a second serial port
- if (ar7_has_second_uart()) {
- uart_port[1].type = PORT_AR7;
- uart_port[1].line = 1;
- uart_port[1].irq = AR7_IRQ_UART1;
- uart_port[1].uartclk = ar7_bus_freq() / 2;
- uart_port[1].iotype = UPIO_MEM;
- uart_port[1].mapbase = UR8_REGS_UART1;
- uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
- uart_port[1].regshift = 2;
- res = early_serial_setup(&uart_port[1]);
- if (res)
- return res;
- }
-
-#else // !CONFIG_SERIAL_8250
-
- uart_data[0].uartclk = ar7_bus_freq() / 2;
- uart_data[1].uartclk = uart_data[0].uartclk;
-
- // Only TNETD73xx have a second serial port
- if (ar7_has_second_uart()) {
- uart.dev.platform_data = uart_data;
- }
-
- res = platform_device_register(&uart);
- if (res)
- return res;
-
-#endif // CONFIG_SERIAL_8250
-
- res = platform_device_register(&physmap_flash);
- if (res)
- return res;
-
- res = platform_device_register(&vlynq_low);
- if (res)
- return res;
-
- ar7_device_disable(vlynq_low_data.reset_bit);
- if (ar7_has_high_vlynq()) {
- ar7_device_disable(vlynq_high_data.reset_bit);
- res = platform_device_register(&vlynq_high);
- if (res)
- return res;
- }
-
- if (ar7_has_high_cpmac()) {
- cpmac_get_mac(1, cpmac_high_data.dev_addr);
- res = platform_device_register(&cpmac_high);
- if (res)
- return res;
- } else {
- cpmac_low_data.phy_mask = 0xffffffff;
- }
-
- cpmac_get_mac(0, cpmac_low_data.dev_addr);
- res = platform_device_register(&cpmac_low);
-
- return res;
-}
-
-
-arch_initcall(ar7_register_devices);
projects / openwrt / staging / chunkeey.git / blobdiff