summaryrefslogtreecommitdiffstats
path: root/target/linux/adm5120/files/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/adm5120/files/drivers')
-rw-r--r--target/linux/adm5120/files/drivers/leds/leds-adm5120.c361
-rwxr-xr-xtarget/linux/adm5120/files/drivers/leds/leds-gpio.c212
-rw-r--r--target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c574
-rw-r--r--target/linux/adm5120/files/drivers/mtd/myloader.c178
-rw-r--r--target/linux/adm5120/files/drivers/mtd/nand/rbmipsnand.c207
-rw-r--r--target/linux/adm5120/files/drivers/net/adm5120sw.c625
-rw-r--r--target/linux/adm5120/files/drivers/net/adm5120sw.h114
-rw-r--r--target/linux/adm5120/files/drivers/serial/adm5120_uart.c520
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c996
9 files changed, 3787 insertions, 0 deletions
diff --git a/target/linux/adm5120/files/drivers/leds/leds-adm5120.c b/target/linux/adm5120/files/drivers/leds/leds-adm5120.c
new file mode 100644
index 000000000..06189371d
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/leds/leds-adm5120.c
@@ -0,0 +1,361 @@
+/*
+ * $Id$
+ *
+ * ADM5120 GPIO LED devices
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007 Gabor Juhos <juhosg at 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 Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+
+#include <linux/gpio_leds.h>
+
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+#include <asm/mach-adm5120/adm5120_info.h>
+
+#define NUM_LEDS_MAX 23
+
+#define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
+
+struct mach_data {
+ unsigned long machtype;
+ unsigned count;
+ struct gpio_led_platform_data *data;
+};
+
+struct adm5120_leddev {
+ struct platform_device pdev;
+ struct gpio_led_platform_data pdata;
+};
+
+static int led_count = 0;
+static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
+
+#define LED_ARRAY(n) \
+static struct gpio_led_platform_data \
+n ## _leds [] __initdata =
+
+#define LED_DATA(n,t,g,off,on) { \
+ .name = (n), \
+ .trigger = (t), \
+ .gpio = (g), \
+ .value_off = (off), \
+ .value_on = (on) \
+ }
+
+#define LED_STD(g,n,t) LED_DATA((n),(t),(g), 0, 1)
+#define LED_INV(g,n,t) LED_DATA((n),(t),(g), 1, 0)
+
+/*
+ * Compex boards
+ */
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+LED_ARRAY(np27g) { /* FIXME: untested */
+ LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL ),
+ LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "diag", NULL ),
+};
+#endif
+
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+LED_ARRAY(np28g) { /* FIXME: untested */
+ LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "wan", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "usb3", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "usb4", NULL ),
+ LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
+ LED_STD(ADM5120_GPIO_xxxx, "diag", NULL ),
+};
+#endif
+
+LED_ARRAY(wp54g) {
+ LED_INV(ADM5120_GPIO_PIN2, "diag", NULL ),
+ LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL ),
+ LED_INV(ADM5120_GPIO_PIN7, "wan", NULL ),
+ LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL ),
+ LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL ),
+};
+
+/*
+ * Edimax boards
+ */
+LED_ARRAY(br6104k) {
+ LED_STD(ADM5120_GPIO_PIN0, "power", NULL ),
+ LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL ),
+ LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL ),
+ LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL ),
+ LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL ),
+ LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL ),
+ LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL ),
+ LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL ),
+ LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL ),
+ LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL ),
+ LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL ),
+};
+
+/*
+ * Mikrotik boards
+ */
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+LED_ARRAY(rb100) { /* FIXME: untested */
+ LED_STD(ADM5120_GPIO_PIN6, "power", NULL ),
+ LED_STD(ADM5120_GPIO_PIN3, "user", NULL ),
+};
+#endif
+
+LED_ARRAY(rb133) {
+ LED_STD(ADM5120_GPIO_PIN6, "power", NULL ),
+ LED_STD(ADM5120_GPIO_PIN5, "user", NULL ),
+};
+
+/*
+ * ZyXEL boards
+ */
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+LED_ARRAY(p334) { /* FIXME: untested */
+ LED_INV(ADM5120_GPIO_xxxx, "power", NULL ),
+ LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL ),
+ LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL ),
+ LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL ),
+ LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL ),
+ LED_INV(ADM5120_GPIO_xxxx, "wan", NULL ),
+};
+#endif
+
+LED_ARRAY(p334wt) {
+ LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
+ LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL ),
+ LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL ),
+ LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL ),
+ LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL ),
+ LED_INV(ADM5120_GPIO_P4L0, "wan", NULL ),
+ LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL ),
+ LED_INV(ADM5120_GPIO_P2L2, "otist", NULL ),
+ LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL ),
+};
+
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+LED_ARRAY(p335) { /* FIXME: untested */
+ LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
+ LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL ),
+ LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL ),
+ LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL ),
+ LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL ),
+ LED_INV(ADM5120_GPIO_P4L0, "wan", NULL ),
+ LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL ),
+ LED_INV(ADM5120_GPIO_P2L2, "otist", NULL ),
+ LED_INV(ADM5120_GPIO_xxxx, "usb", NULL ),
+};
+#endif
+
+/*
+ * Generic board
+ */
+LED_ARRAY(generic) {
+#if defined(CONFIG_LEDS_ADM5120_DIAG)
+ LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL ),
+ LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL ),
+ LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL ),
+ LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL ),
+ LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL ),
+ LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL ),
+ LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL ),
+ LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL ),
+ LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL ),
+ LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL ),
+ LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL ),
+ LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL ),
+ LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL ),
+ LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL ),
+ LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL ),
+ LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL ),
+ LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL ),
+ LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL ),
+ LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL ),
+ LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL ),
+ LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL ),
+ LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL ),
+ LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL ),
+#endif
+};
+
+#define MACH_DATA(m, n) { \
+ .machtype = (m), \
+ .count = ARRAY_SIZE(n ## _leds), \
+ .data = n ## _leds \
+}
+
+static struct mach_data machines[] __initdata = {
+ MACH_DATA(MACH_ADM5120_GENERIC, generic),
+ /* Compex */
+ MACH_DATA(MACH_ADM5120_WP54AG, wp54g),
+ MACH_DATA(MACH_ADM5120_WP54G, wp54g),
+ MACH_DATA(MACH_ADM5120_WP54G_WRT, wp54g),
+ MACH_DATA(MACH_ADM5120_WPP54AG, wp54g),
+ MACH_DATA(MACH_ADM5120_WPP54G, wp54g),
+ /* Edimax */
+ MACH_DATA(MACH_ADM5120_BR6104K, br6104k),
+ /* Mikrotik */
+ MACH_DATA(MACH_ADM5120_RB_133, rb133),
+ MACH_DATA(MACH_ADM5120_RB_133C, rb133),
+ /* ZyXEL */
+ MACH_DATA(MACH_ADM5120_P334WT, p334wt),
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+ /* untested */
+ MACH_DATA(MACH_ADM5120_P334, p334),
+ MACH_DATA(MACH_ADM5120_P335, p335),
+ MACH_DATA(MACH_ADM5120_RB_111, rb100),
+ MACH_DATA(MACH_ADM5120_RB_112, rb100),
+ MACH_DATA(MACH_ADM5120_NP27G, np27g),
+ MACH_DATA(MACH_ADM5120_NP28G, np28g),
+ MACH_DATA(MACH_ADM5120_NP28GHS, np28g),
+#endif
+};
+
+static struct adm5120_leddev * __init
+create_leddev(struct gpio_led_platform_data *data)
+{
+ struct adm5120_leddev *p;
+
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
+ if (p == NULL)
+ return NULL;
+
+ memcpy(&p->pdata, data, sizeof(p->pdata));
+ p->pdev.dev.platform_data = &p->pdata;
+
+ return p;
+}
+
+static void
+destroy_leddev(struct adm5120_leddev *led)
+{
+ if (led)
+ kfree(led);
+}
+
+static struct mach_data * __init
+adm5120_leds_findmach(unsigned long machtype)
+{
+ struct mach_data *mach;
+ int i;
+
+ mach = NULL;
+ for (i=0; i<ARRAY_SIZE(machines); i++) {
+ if (machines[i].machtype == machtype) {
+ mach = &machines[i];
+ break;
+ }
+ };
+
+#if defined(CONFIG_LEDS_ADM5120_DIAG)
+ if (mach == NULL)
+ mach = machines;
+#endif
+
+ return mach;
+}
+
+static int __init
+adm5120_leds_init(void)
+{
+ struct mach_data *mach;
+ int i, ret;
+
+ if (mips_machgroup != MACH_GROUP_ADM5120) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ mach = adm5120_leds_findmach(mips_machtype);
+ if (mach == NULL) {
+ /* the board is not yet supported */
+ ret = -EINVAL;
+ goto err;
+ }
+
+ for (i=0; i < mach->count; i++) {
+ led_devs[i] = create_leddev(&mach->data[i]);
+ if (led_devs[i] == NULL) {
+ ret = -ENOMEM;
+ goto err_destroy;
+ }
+ led_devs[i]->pdev.name = "gpio-led";
+ led_devs[i]->pdev.id = i;
+ }
+
+ for (i=0; i < mach->count; i++) {
+ ret = platform_device_register(&led_devs[i]->pdev);
+ if (ret)
+ goto err_unregister;
+ }
+
+ led_count = mach->count;
+ return 0;
+
+err_unregister:
+ for (i--; i>=0; i--)
+ platform_device_unregister(&led_devs[i]->pdev);
+
+err_destroy:
+ for (i=0; i<led_count; i++)
+ destroy_leddev(led_devs[i]);
+err:
+ return ret;
+}
+
+static void __exit
+adm5120_leds_exit(void)
+{
+ int i;
+
+ for (i=0; i < led_count; i++) {
+ platform_device_unregister(&led_devs[i]->pdev);
+ destroy_leddev(led_devs[i]);
+ }
+}
+
+module_init(adm5120_leds_init);
+module_exit(adm5120_leds_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_LICENSE("GPL");
+
diff --git a/target/linux/adm5120/files/drivers/leds/leds-gpio.c b/target/linux/adm5120/files/drivers/leds/leds-gpio.c
new file mode 100755
index 000000000..b1a1f1ce9
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/leds/leds-gpio.c
@@ -0,0 +1,212 @@
+/*
+ * $Id$
+ *
+ * Driver for LEDs connected to GPIO lines
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was derived from:
+ * /drivers/led/leds-s3c24xx.c
+ * (c) 2006 Simtec Electronics, Ben Dooks <ben@simtec.co.uk>
+ *
+ * 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 Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+
+#include <linux/gpio_leds.h>
+
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+#define DRV_NAME "gpio-led"
+#define DRV_DESC "GPIO LEDs driver"
+
+struct gpio_led_device {
+ struct led_classdev cdev;
+ struct gpio_led_platform_data *pdata;
+};
+
+static inline struct gpio_led_device *pdev_to_led(struct platform_device *dev)
+{
+ return platform_get_drvdata(dev);
+}
+
+static inline struct gpio_led_device *class_to_led(struct led_classdev *led_cdev)
+{
+ return container_of(led_cdev, struct gpio_led_device, cdev);
+}
+
+static void gpio_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct gpio_led_device *led;
+ struct gpio_led_platform_data *pdata;
+
+ led = class_to_led(led_cdev);
+ pdata = led->pdata;
+
+ switch (brightness) {
+ case LED_FULL:
+ gpio_direction_output(pdata->gpio, pdata->value_on);
+ break;
+ case LED_OFF:
+ gpio_direction_output(pdata->gpio, pdata->value_off);
+ break;
+ default:
+ gpio_direction_output(pdata->gpio, brightness);
+ break;
+ }
+}
+
+static int __devinit gpio_led_probe(struct platform_device *dev)
+{
+ struct gpio_led_platform_data *pdata;
+ struct gpio_led_device *led;
+ int ret;
+
+ pdata = dev->dev.platform_data;
+ if (pdata == NULL) {
+ dev_err(&dev->dev, "no platform data, id=%d\n", dev->id);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (pdata->name == NULL) {
+ dev_err(&dev->dev, "no led name specified\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = gpio_request(pdata->gpio, pdata->name);
+ if (ret) {
+ dev_err(&dev->dev, "gpio_request failed\n");
+ goto err;
+ }
+
+ led = kzalloc(sizeof(*led), GFP_KERNEL);
+ if (led == NULL) {
+ dev_err(&dev->dev, "no memory for device");
+ ret = -ENOMEM;
+ goto err_free_gpio;
+ }
+
+ platform_set_drvdata(dev, led);
+ led->pdata = pdata;
+ led->cdev.name = pdata->name;
+ led->cdev.brightness_set = gpio_led_set;
+#ifdef CONFIG_LEDS_TRIGGERS
+ led->cdev.default_trigger = pdata->trigger;
+#endif
+
+ ret = led_classdev_register(&dev->dev, &led->cdev);
+ if (ret < 0) {
+ dev_err(&dev->dev, "led_classdev_register failed");
+ goto err_free_led;
+ }
+
+ return 0;
+
+err_free_led:
+ kfree(led);
+err_free_gpio:
+ gpio_free(pdata->gpio);
+err:
+ return ret;
+}
+
+static int __devexit gpio_led_remove(struct platform_device *dev)
+{
+ struct gpio_led_device *led;
+ struct gpio_led_platform_data *pdata;
+
+ pdata = dev->dev.platform_data;
+
+ led = pdev_to_led(dev);
+ led_classdev_unregister(&led->cdev);
+ kfree(led);
+
+ gpio_free(pdata->gpio);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int gpio_led_suspend(struct platform_device *dev,
+ pm_message_t state)
+{
+ struct gpio_led_device *led;
+
+ led = pdev_to_led(dev);
+ led_classdev_suspend(&led->cdev);
+
+ return 0;
+}
+
+static int gpio_led_resume(struct platform_device *dev)
+{
+ struct gpio_led_device *led;
+
+ led = pdev_to_led(dev);
+ led_classdev_resume(&led->cdev);
+
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+static struct platform_driver gpio_led_driver = {
+ .probe = gpio_led_probe,
+ .remove = __devexit_p(gpio_led_remove),
+#ifdef CONFIG_PM
+ .suspend = gpio_led_suspend,
+ .resume = gpio_led_resume,
+#endif
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init gpio_led_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&gpio_led_driver);
+ if (ret)
+ printk(KERN_ALERT DRV_DESC " register failed\n");
+ else
+ printk(KERN_INFO DRV_DESC " registered\n");
+
+ return ret;
+}
+
+static void __exit gpio_led_exit(void)
+{
+ platform_driver_unregister(&gpio_led_driver);
+}
+
+module_init(gpio_led_init);
+module_exit(gpio_led_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_LICENSE("GPL");
diff --git a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
new file mode 100644
index 000000000..0a2590e60
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
@@ -0,0 +1,574 @@
+/*
+ * $Id$
+ *
+ * Platform driver for NOR flash devices on ADM5120 based boards
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was derived from: drivers/mtd/map/physmap.c
+ * Copyright (C) 2003 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * 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 Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_switch.h>
+#include <asm/mach-adm5120/adm5120_mpmc.h>
+#include <asm/mach-adm5120/adm5120_platform.h>
+
+#define DRV_NAME "adm5120-flash"
+#define DRV_DESC "ADM5120 flash MAP driver"
+#define MAX_PARSED_PARTS 8
+
+#ifdef ADM5120_FLASH_DEBUG
+#define MAP_DBG(m, f, a...) printk(KERN_INFO "%s: " f, (m->name) , ## a)
+#else
+#define MAP_DBG(m, f, a...) do {} while (0)
+#endif
+#define MAP_ERR(m, f, a...) printk(KERN_ERR "%s: " f, (m->name) , ## a)
+#define MAP_INFO(m, f, a...) printk(KERN_INFO "%s: " f, (m->name) , ## a)
+
+struct adm5120_map_info {
+ struct map_info map;
+ void (*switch_bank)(unsigned);
+ unsigned long window_size;
+};
+
+struct adm5120_flash_info {
+ struct mtd_info *mtd;
+ struct resource *res;
+ struct platform_device *dev;
+ struct adm5120_map_info amap;
+#ifdef CONFIG_MTD_PARTITIONS
+ int nr_parts;
+ struct mtd_partition *parts[MAX_PARSED_PARTS];
+#endif
+};
+
+struct flash_desc {
+ u32 phys;
+ u32 srs_shift;
+ u32 mpmc_reg;
+};
+
+/*
+ * Globals
+ */
+static DEFINE_SPINLOCK(adm5120_flash_spin);
+#define FLASH_LOCK() spin_lock(&adm5120_flash_spin)
+#define FLASH_UNLOCK() spin_unlock(&adm5120_flash_spin)
+
+static u32 flash_bankwidths[4] = { 1, 2, 4, 0 };
+
+static u32 flash_sizes[8] = {
+ 0, 512*1024, 1024*1024, 2*1024*1024,
+ 4*1024*1024, 0, 0, 0
+};
+
+static struct flash_desc flash_descs[2] = {
+ {
+ .phys = ADM5120_SRAM0_BASE,
+ .mpmc_reg = MPMC_REG_SC1,
+ .srs_shift = MEMCTRL_SRS0_SHIFT,
+ }, {
+ .phys = ADM5120_SRAM1_BASE,
+ .mpmc_reg = MPMC_REG_SC0,
+ .srs_shift = MEMCTRL_SRS1_SHIFT,
+ }
+};
+
+static const char *probe_types[] = {
+ "cfi_probe",
+ "jedec_probe",
+ "map_rom",
+ NULL
+};
+
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *parse_types[] = {
+ "cmdlinepart",
+#ifdef CONFIG_MTD_REDBOOT_PARTS
+ "RedBoot",
+#endif
+#ifdef CONFIG_MTD_MYLOADER_PARTS
+ "MyLoader",
+#endif
+};
+#endif
+
+#define BANK_SIZE (2<<20)
+#define BANK_SIZE_MAX (4<<20)
+#define BANK_OFFS_MASK (BANK_SIZE-1)
+#define BANK_START_MASK (~BANK_OFFS_MASK)
+
+static inline struct adm5120_map_info *map_to_amap(struct map_info *map)
+{
+ return (struct adm5120_map_info *)map;
+}
+
+static void adm5120_flash_switchbank(struct map_info *map,
+ unsigned long ofs)
+{
+ struct adm5120_map_info *amap = map_to_amap(map);
+ unsigned bank;
+
+ if (amap->switch_bank == NULL)
+ return;
+
+ bank = (ofs & BANK_START_MASK) >> 21;
+ if (bank > 1)
+ BUG();
+
+ MAP_DBG(map, "switching to bank %u, ofs=%lX\n", bank, ofs);
+ amap->switch_bank(bank);
+}
+
+static map_word adm5120_flash_read(struct map_info *map, unsigned long ofs)
+{
+ struct adm5120_map_info *amap = map_to_amap(map);
+ map_word ret;
+
+ MAP_DBG(map, "reading from ofs %lX\n", ofs);
+
+ if (ofs >= amap->window_size)
+ return map_word_ff(map);
+
+ FLASH_LOCK();
+ adm5120_flash_switchbank(map, ofs);
+ ret = inline_map_read(map, (ofs & (amap->window_size-1)));
+ FLASH_UNLOCK();
+
+ return ret;
+}
+
+static void adm5120_flash_write(struct map_info *map, const map_word datum,
+ unsigned long ofs)
+{
+ struct adm5120_map_info *amap = map_to_amap(map);
+
+ MAP_DBG(map,"writing to ofs %lX\n", ofs);
+
+ if (ofs > amap->window_size)
+ return;
+
+ FLASH_LOCK();
+ adm5120_flash_switchbank(map, ofs);
+ inline_map_write(map, datum, (ofs & (amap->window_size-1)));
+ FLASH_UNLOCK();
+}
+
+static void adm5120_flash_copy_from(struct map_info *map, void *to,
+ unsigned long from, ssize_t len)
+{
+ struct adm5120_map_info *amap = map_to_amap(map);
+ char *p;
+ ssize_t t;
+
+ MAP_DBG(map, "copy_from, to=%lX, from=%lX, len=%lX\n",
+ (unsigned long)to, from, (unsigned long)len);
+
+ if (from > amap->window_size)
+ return;
+
+ p = (char *)to;
+ while (len > 0) {
+ t = len;
+ if ((from < BANK_SIZE) && ((from+len) > BANK_SIZE))
+ t = BANK_SIZE-from;
+
+ FLASH_LOCK();
+ MAP_DBG(map, "copying %lu byte(s) from %lX to %lX\n",
+ (unsigned long)t, (from & (amap->window_size-1)),
+ (unsigned long)p);
+ adm5120_flash_switchbank(map, from);
+ inline_map_copy_from(map, p, (from & (amap->window_size-1)), t);
+ FLASH_UNLOCK();
+ p += t;
+ from += t;
+ len -= t;
+ }
+}
+
+static int adm5120_flash_initres(struct adm5120_flash_info *info)
+{
+ struct map_info *map = &info->amap.map;
+ int err = 0;
+
+ info->res = request_mem_region(map->phys, map->size, map->name);
+ if (info->res == NULL) {
+ MAP_ERR(map, "could not reserve memory region\n");
+ err = -ENOMEM;
+ goto out;
+ }
+
+ map->virt = ioremap_nocache(map->phys, map->size);
+ if (map->virt == NULL) {
+ MAP_ERR(map, "failed to ioremap flash region\n");
+ err = -ENOMEM;
+ goto out;
+ }
+
+out:
+ return err;
+}
+
+#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))
+#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v)
+#define MPMC_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_MPMC_BASE)+(r))
+#define MPMC_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_MPMC_BASE)+(r))=(v)
+
+static int adm5120_flash_initinfo(struct adm5120_flash_info *info,
+ struct platform_device *dev)
+{
+ struct map_info *map = &info->amap.map;
+ struct adm5120_flash_platform_data *pdata = dev->dev.platform_data;
+ struct flash_desc *fdesc;
+ u32 t;
+
+ map->name = dev->dev.bus_id;
+
+ if (dev->id > 1) {
+ MAP_ERR(map, "invalid flash id\n");
+ goto err_out;
+ }
+
+ fdesc = &flash_descs[dev->id];
+
+ /* get memory window size */
+ t = SWITCH_READ(SWITCH_REG_MEMCTRL) >> fdesc->srs_shift;
+ t &= MEMCTRL_SRS_MASK;
+ info->amap.window_size = flash_sizes[t];
+ if (info->amap.window_size == 0) {
+ MAP_ERR(map, "invalid flash size detected\n");
+ goto err_out;
+ }
+
+ /* get flash bus width */
+ t = MPMC_READ(fdesc->mpmc_reg) & SC_MW_MASK;
+ map->bankwidth = flash_bankwidths[t];
+ if (map->bankwidth == 0) {
+ MAP_ERR(map, "invalid bus width detected\n");
+ goto err_out;
+ }
+
+ map->phys = fdesc->phys;
+ map->size = BANK_SIZE_MAX;
+
+ simple_map_init(map);
+ map->read = adm5120_flash_read;
+ map->write = adm5120_flash_write;
+ map->copy_from = adm5120_flash_copy_from;
+
+ if (pdata) {
+ map->set_vpp = pdata->set_vpp;
+ info->amap.switch_bank = pdata->switch_bank;
+ }
+
+ info->dev = dev;
+
+ MAP_INFO(map, "probing at 0x%lX, size:%ldKiB, width:%d bits\n",
+ (unsigned long)map->phys,
+ (unsigned long)info->amap.window_size >> 10,
+ map->bankwidth*8);
+
+ return 0;
+
+err_out:
+ return -ENODEV;
+}
+
+static void adm5120_flash_initbanks(struct adm5120_flash_info *info)
+{
+ struct map_info *map = &info->amap.map;
+
+ if (info->mtd->size <= BANK_SIZE)
+ /* no bank switching needed */
+ return;
+
+ if (info->amap.switch_bank) {
+ info->amap.window_size = info->mtd->size;
+ return;
+ }
+
+ MAP_ERR(map, "reduce visibility from %ldKiB to %ldKiB\n",
+ (unsigned long)map->size >> 10,
+ (unsigned long)info->mtd->size >> 10);
+
+ info->mtd->size = info->amap.window_size;
+}
+
+#ifdef CONFIG_MTD_PARTITIONS
+static int adm5120_flash_initparts(struct adm5120_flash_info *info)
+{
+ struct adm5120_flash_platform_data *pdata = info->dev->dev.platform_data;
+ struct map_info *map = &info->amap.map;
+ int num_parsers;
+ const char *parser[2];
+ int err = 0;
+ int nr_parts;
+ int i;
+
+ info->nr_parts = 0;
+
+ if (pdata == NULL)
+ goto out;
+
+ if (pdata->nr_parts) {
+ MAP_INFO(map, "adding static partitions\n");
+ err = add_mtd_partitions(info->mtd, pdata->parts,
+ pdata->nr_parts);
+ if (err == 0) {
+ info->nr_parts += pdata->nr_parts;
+ goto out;
+ }
+ }
+
+ num_parsers = ARRAY_SIZE(parse_types);
+ if (num_parsers > MAX_PARSED_PARTS)
+ num_parsers = MAX_PARSED_PARTS;
+
+ parser[1] = NULL;
+ for (i=0; i<num_parsers; i++) {
+ parser[0] = parse_types[i];
+
+ MAP_INFO(map, "parsing \"%s\" partitions\n",
+ parser[0]);
+ nr_parts = parse_mtd_partitions(info->mtd, parser,
+ &info->parts[i], 0);
+
+ if (nr_parts <= 0)
+ continue;
+
+ MAP_INFO(map, "adding \"%s\" partitions\n",
+ parser[0]);
+
+ err = add_mtd_partitions(info->mtd, info->parts[i], nr_parts);
+ if (err)
+ break;
+
+ info->nr_parts += nr_parts;
+ }
+out:
+ return err;
+}
+#else
+static int adm5120_flash_initparts(struct adm5120_flash_info *info)
+{
+ return 0;
+}
+#endif /* CONFIG_MTD_PARTITIONS */
+
+#ifdef CONFIG_MTD_PARTITIONS
+static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
+{
+ int i;
+
+ if (info->nr_parts) {
+ del_mtd_partitions(info->mtd);
+ for (i=0; i<MAX_PARSED_PARTS; i++)
+ if (info->parts[i] != NULL)
+ kfree(info->parts[i]);
+ } else {
+ del_mtd_device(info->mtd);
+ }
+}
+#else
+static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
+{
+ del_mtd_device(info->mtd);
+}
+#endif
+
+static int adm5120_flash_remove(struct platform_device *dev)
+{
+ struct adm5120_flash_info *info;
+
+ info = platform_get_drvdata(dev);
+ if (info == NULL)
+ return 0;
+
+ platform_set_drvdata(dev, NULL);
+
+ if (info->mtd != NULL) {
+ adm5120_flash_remove_mtd(info);
+ map_destroy(info->mtd);
+ }
+
+ if (info->amap.map.virt != NULL)
+ iounmap(info->amap.map.virt);
+
+ if (info->res != NULL) {
+ release_resource(info->res);
+ kfree(info->res);
+ }
+
+ return 0;
+}
+
+static int adm5120_flash_probe(struct platform_device *dev)
+{
+ struct adm5120_flash_info *info;
+ struct map_info *map;
+ const char **probe_type;
+ int err;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (info == NULL) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ platform_set_drvdata(dev, info);
+
+ err = adm5120_flash_initinfo(info, dev);
+ if (err)
+ goto err_out;
+
+ err = adm5120_flash_initres(info);
+ if (err)
+ goto err_out;
+
+ map = &info->amap.map;
+ for (probe_type = probe_types; info->mtd == NULL && *probe_type != NULL;
+ probe_type++)
+ info->mtd = do_map_probe(*probe_type, map);
+
+ if (info->mtd == NULL) {
+ MAP_ERR(map, "map_probe failed\n");
+ err = -ENXIO;
+ goto err_out;
+ }
+
+ adm5120_flash_initbanks(info);
+
+ if (info->mtd->size < info->amap.window_size) {
+ /* readjust resources */
+ iounmap(map->virt);
+ release_resource(info->res);
+ kfree(info->res);
+
+ info->amap.window_size = info->mtd->size;
+ map->size = info->mtd->size;
+ MAP_INFO(map, "reducing map size to %ldKiB\n",
+ (unsigned long)map->size >> 10);
+ err = adm5120_flash_initres(info);
+ if (err)
+ goto err_out;
+ }
+
+ MAP_INFO(map, "found at 0x%lX, size:%ldKiB, width:%d bits\n",
+ (unsigned long)map->phys, (unsigned long)info->mtd->size >> 10,
+ map->bankwidth*8);
+
+ info->mtd->owner = THIS_MODULE;
+
+ err = adm5120_flash_initparts(info);
+ if (err)
+ goto err_out;
+
+ if (info->nr_parts == 0) {
+ MAP_INFO(map, "no partitions available, registering whole flash\n");
+ add_mtd_device(info->mtd);
+ }
+
+ return 0;
+
+err_out:
+ adm5120_flash_remove(dev);
+ return err;
+}
+
+#ifdef CONFIG_PM
+static int adm5120_flash_suspend(struct platform_device *dev, pm_message_t state)
+{
+ struct adm5120_flash_info *info = platform_get_drvdata(dev);
+ int ret = 0;
+
+ if (info)
+ ret = info->mtd->suspend(info->mtd);
+
+ return ret;
+}
+
+static int adm5120_flash_resume(struct platform_device *dev)
+{
+ struct adm5120_flash_info *info = platform_get_drvdata(dev);
+
+ if (info)
+ info->mtd->resume(info->mtd);
+
+ return 0;
+}
+
+static void adm5120_flash_shutdown(struct platform_device *dev)
+{
+ struct adm5120_flash_info *info = platform_get_drvdata(dev);
+
+ if (info && info->mtd->suspend(info->mtd) == 0)
+ info->mtd->resume(info->mtd);
+}
+#endif
+
+static struct platform_driver adm5120_flash_driver = {
+ .probe = adm5120_flash_probe,
+ .remove = adm5120_flash_remove,
+#ifdef CONFIG_PM
+ .suspend = adm5120_flash_suspend,
+ .resume = adm5120_flash_resume,
+ .shutdown = adm5120_flash_shutdown,
+#endif
+ .driver = {
+ .name = DRV_NAME,
+ },
+};
+
+static int __init adm5120_flash_init(void)
+{
+ int err;
+
+ err = platform_driver_register(&adm5120_flash_driver);
+
+ return err;
+}
+
+static void __exit adm5120_flash_exit(void)
+{
+ platform_driver_unregister(&adm5120_flash_driver);
+}
+
+module_init(adm5120_flash_init);
+module_exit(adm5120_flash_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_DESCRIPTION(DRV_DESC);
diff --git a/target/linux/adm5120/files/drivers/mtd/myloader.c b/target/linux/adm5120/files/drivers/mtd/myloader.c
new file mode 100644
index 000000000..ad207e555
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/mtd/myloader.c
@@ -0,0 +1,178 @@
+/*
+ * $Id$
+ *
+ * Parse MyLoader-style flash partition tables and produce a Linux partition
+ * array to match.
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on drivers/mtd/redboot.c
+ * Author: Red Hat, Inc. - David Woodhouse <dwmw2@cambridge.redhat.com>
+ *
+ * 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 Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <linux/byteorder/generic.h>
+
+#include <prom/myloader.h>
+
+#define NAME_LEN_MAX 20
+#define NAME_MYLOADER "MyLoader"
+#define NAME_PARTITION_TABLE "Partition Table"
+#define BLOCK_LEN_MIN 0x10000
+
+int parse_myloader_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long origin)
+{
+ struct mylo_partition_table *tab;
+ struct mylo_partition *part;
+ struct mtd_partition *mtd_parts;
+ struct mtd_partition *mtd_part;
+ int num_parts;
+ int ret, i;
+ size_t retlen;
+ size_t parts_len;
+ char *names;
+ unsigned long offset;
+ unsigned long blocklen;
+
+ tab = vmalloc(sizeof(*tab));
+ if (!tab) {
+ return -ENOMEM;
+ goto out;
+ }
+
+ blocklen = master->erasesize;
+ if (blocklen < BLOCK_LEN_MIN)
+ blocklen = BLOCK_LEN_MIN;
+
+ /* Partition Table is always located on the second erase block */
+ offset = blocklen;
+ printk(KERN_NOTICE "%s: searching for MyLoader partition table at "
+ "offset 0x%lx\n", master->name, offset);
+
+ ret = master->read(master, offset, sizeof(*tab), &retlen, (void *)tab);
+ if (ret)
+ goto out;
+
+ if (retlen != sizeof(*tab)) {
+ ret = -EIO;
+ goto out_free_buf;
+ }
+
+ /* Check for Partition Table magic number */
+ if (tab->magic != le32_to_cpu(MYLO_MAGIC_PARTITIONS)) {
+ printk(KERN_NOTICE "%s: no MyLoader partition table found\n",
+ master->name);
+ ret = 0;
+ goto out_free_buf;
+ }
+
+ /* The MyLoader and the Partition Table is always present */
+ num_parts = 2;
+
+ /* Detect number of used partitions */
+ for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
+ part = &tab->partitions[i];
+
+ if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
+ continue;
+
+ num_parts++;
+ }
+
+ mtd_parts = kzalloc((num_parts*sizeof(*mtd_part) + num_parts*NAME_LEN_MAX),
+ GFP_KERNEL);
+
+ if (!mtd_parts) {
+ ret = -ENOMEM;
+ goto out_free_buf;
+ }
+
+ mtd_part = mtd_parts;
+ names = (char *)&mtd_parts[num_parts];
+
+ strncpy(names, NAME_MYLOADER, NAME_LEN_MAX-1);
+ mtd_part->name = names;
+ mtd_part->offset = 0;
+ mtd_part->size = blocklen;
+ mtd_part->mask_flags = MTD_WRITEABLE;
+ mtd_part++;
+ names += NAME_LEN_MAX;
+
+ strncpy(names, NAME_PARTITION_TABLE, NAME_LEN_MAX-1);
+ mtd_part->name = names;
+ mtd_part->offset = blocklen;
+ mtd_part->size = blocklen;
+ mtd_part->mask_flags = MTD_WRITEABLE;
+ mtd_part++;
+ names += NAME_LEN_MAX;
+
+ for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
+ part = &tab->partitions[i];
+
+ if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
+ continue;
+
+ sprintf(names, "partition%d", i);
+ mtd_part->offset = le32_to_cpu(part->addr);
+ mtd_part->size = le32_to_cpu(part->size);
+ mtd_part->name = names;
+ mtd_part++;
+ names += NAME_LEN_MAX;
+ }
+
+ *pparts = mtd_parts;
+ ret = num_parts;
+
+out_free_buf:
+ vfree(tab);
+out:
+ return ret;
+}
+
+static struct mtd_part_parser mylo_mtd_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_myloader_partitions,
+ .name = NAME_MYLOADER,
+};
+
+static int __init mylo_mtd_parser_init(void)
+{
+ return register_mtd_parser(&mylo_mtd_parser);
+}
+
+static void __exit mylo_mtd_parser_exit(void)
+{
+ deregister_mtd_parser(&mylo_mtd_parser);
+}
+
+module_init(mylo_mtd_parser_init);
+module_exit(mylo_mtd_parser_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_DESCRIPTION("Parsing code for MyLoader partition tables");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/adm5120/files/drivers/mtd/nand/rbmipsnand.c b/target/linux/adm5120/files/drivers/mtd/nand/rbmipsnand.c
new file mode 100644
index 000000000..2e7059d18
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/mtd/nand/rbmipsnand.c
@@ -0,0 +1,207 @@
+/*==============================================================================*/
+/* rbmipsnand.c */
+/* This module is derived from the 2.4 driver shipped by Microtik for their */
+/* Routerboard 1xx and 5xx series boards. It provides support for the built in */
+/* NAND flash on the Routerboard 1xx series boards for Linux 2.6.19+. */
+/* Licence: Original Microtik code seems not to have a licence. */
+/* Rewritten code all GPL V2. */
+/* Copyright(C) 2007 david.goodenough@linkchoose.co.uk (for rewriten code) */
+/*==============================================================================*/
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/bootinfo.h>
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_defs.h>
+
+#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(ADM5120_SRAM1_BASE) + x)))
+
+#define NAND_RW_REG 0x0 //data register
+#define NAND_SET_CEn 0x1 //CE# low
+#define NAND_CLR_CEn 0x2 //CE# high
+#define NAND_CLR_CLE 0x3 //CLE low
+#define NAND_SET_CLE 0x4 //CLE high
+#define NAND_CLR_ALE 0x5 //ALE low
+#define NAND_SET_ALE 0x6 //ALE high
+#define NAND_SET_SPn 0x7 //SP# low (use spare area)
+#define NAND_CLR_SPn 0x8 //SP# high (do not use spare area)
+#define NAND_SET_WPn 0x9 //WP# low
+#define NAND_CLR_WPn 0xA //WP# high
+#define NAND_STS_REG 0xB //Status register
+
+#define MEM32(x) *((volatile unsigned *) (x))
+
+static struct mtd_partition partition_info[] = {
+ {
+ name: "RouterBoard NAND Boot",
+ offset: 0,
+ size: 4 * 1024 * 1024
+ },
+ {
+ name: "rootfs",
+ offset: MTDPART_OFS_NXTBLK,
+ size: MTDPART_SIZ_FULL
+ }
+};
+
+static struct nand_ecclayout rb_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1} }
+};
+
+struct adm5120_nand_info {
+ struct nand_chip chip;
+ struct mtd_info mtd;
+ void __iomem *io_base;
+#ifdef CONFIG_MTD_PARTITIONS
+ int nr_parts;
+ struct mtd_partition *parts;
+#endif
+ unsigned int init_ok;
+};
+
+static int rb100_dev_ready(struct mtd_info *mtd)
+{
+ return SMEM1(NAND_STS_REG) & 0x80;
+}
+
+static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *chip = mtd->priv;
+ if (ctrl & NAND_CTRL_CHANGE)
+ {
+ SMEM1((( ctrl & NAND_CLE) ? NAND_SET_CLE : NAND_CLR_CLE)) = 0x01;
+ SMEM1((( ctrl & NAND_ALE) ? NAND_SET_ALE : NAND_CLR_ALE)) = 0x01;
+ SMEM1((( ctrl & NAND_NCE) ? NAND_SET_CEn : NAND_CLR_CEn)) = 0x01;
+ }
+ if (cmd != NAND_CMD_NONE)
+ writeb( cmd, chip->IO_ADDR_W);
+}
+
+/*========================================================================*/
+/* We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader */
+/* will not be able to find the kernel that we load. So set the oobinfo */
+/* when creating the partitions. */
+/*========================================================================*/
+
+
+unsigned get_rbnand_block_size(struct adm5120_nand_info *data)
+{
+ return data->init_ok ? data->mtd.writesize : 0;
+}
+
+EXPORT_SYMBOL(get_rbnand_block_size);
+
+static int rbmips_probe(struct platform_device *pdev)
+{
+ struct adm5120_nand_info *data;
+ int res = 0;
+
+ /* Allocate memory for the nand_chip structure */
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ dev_err(&pdev->dev, "Failed to allocate device structure\n");
+ return -ENOMEM;
+
+ }
+
+ data->io_base = ioremap(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1);
+
+ if (data->io_base == NULL) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ kfree(data);
+ return -EIO;
+ }
+
+ MEM32(0xB2000064) = 0x100;
+ MEM32(0xB2000008) = 0x1;
+ SMEM1(NAND_SET_SPn) = 0x01;
+ SMEM1(NAND_CLR_WPn) = 0x01;
+
+ data->chip.priv = &data;
+ data->mtd.priv = &data->chip;
+ data->mtd.owner = THIS_MODULE;
+
+ data->init_ok = 0;
+ data->chip.IO_ADDR_R = (unsigned char *)KSEG1ADDR(ADM5120_SRAM1_BASE);
+ data->chip.IO_ADDR_W = data->chip.IO_ADDR_R;
+ data->chip.cmd_ctrl = rbmips_hwcontrol100;
+ data->chip.dev_ready = rb100_dev_ready;
+ data->chip.ecc.mode = NAND_ECC_SOFT;
+ data->chip.ecc.layout = &rb_ecclayout;
+ data->chip.chip_delay = 25;
+ data->chip.options |= NAND_NO_AUTOINCR;
+
+ platform_set_drvdata(pdev, data);
+
+ /* Why do we need to scan 4 times ? */
+ if (nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1)) {
+ printk(KERN_INFO "RB1xxx nand device not found\n");
+ res = -ENXIO;
+ goto out;
+ }
+
+ add_mtd_partitions(&data->mtd, partition_info, 2);
+ data->init_ok = 1;
+
+ res = add_mtd_device(&data->mtd);
+ if (!res)
+ return res;
+
+ nand_release(&data->mtd);
+out:
+ platform_set_drvdata(pdev, NULL);
+ iounmap(data->io_base);
+ kfree(data);
+ return res;
+}
+
+static int __devexit rbmips_remove(struct platform_device *pdev)
+{
+ struct adm5120_nand_info *data = platform_get_drvdata(pdev);
+
+ nand_release(&data->mtd);
+ iounmap(data->io_base);
+ kfree(data);
+
+ return 0;
+}
+
+static struct platform_driver adm5120_nand_driver = {
+ .probe = rbmips_probe,
+ .remove = rbmips_remove,
+ .driver = {
+ .name = "adm5120-nand",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init adm5120_nand_init(void)
+{
+ int err;
+ err = platform_driver_register(&adm5120_nand_driver);
+ return err;
+}
+
+static void __exit adm5120_nand_exit(void)
+{
+ platform_driver_unregister(&adm5120_nand_driver);
+}
+
+module_init(adm5120_nand_init);
+module_exit(adm5120_nand_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Goodenough, Florian Fainelli");
+MODULE_DESCRIPTION("RouterBOARD 100 NAND driver");
+
diff --git a/target/linux/adm5120/files/drivers/net/adm5120sw.c b/target/linux/adm5120/files/drivers/net/adm5120sw.c
new file mode 100644
index 000000000..80c81abf7
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/net/adm5120sw.c
@@ -0,0 +1,625 @@
+/*
+ * ADM5120 built in ethernet switch driver
+ *
+ * Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ *
+ * Inspiration for this driver came from the original ADMtek 2.4
+ * driver, Copyright ADMtek Inc.
+ *
+ * NAPI extensions by Thomas Langer (Thomas.Langer@infineon.com)
+ * and Friedrich Beckmann (Friedrich.Beckmann@infineon.com), 2007
+ *
+ * TODO: Add support of high prio queues (currently disabled)
+ *
+ */
+#include <linux/autoconf.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <asm/mipsregs.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include "adm5120sw.h"
+
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_irq.h>
+
+MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
+MODULE_DESCRIPTION("ADM5120 ethernet switch driver");
+MODULE_LICENSE("GPL");
+
+/* default settings - unlimited TX and RX on all ports, default shaper mode */
+static unsigned char bw_matrix[SW_DEVS] = {
+ 0, 0, 0, 0, 0, 0
+};
+
+static int adm5120_nrdevs;
+
+static struct net_device *adm5120_devs[SW_DEVS];
+/* Lookup table port -> device */
+static struct net_device *adm5120_port[SW_DEVS];
+
+static struct adm5120_dma
+ adm5120_dma_txh_v[ADM5120_DMA_TXH] __attribute__((aligned(16))),
+ adm5120_dma_txl_v[ADM5120_DMA_TXL] __attribute__((aligned(16))),
+ adm5120_dma_rxh_v[ADM5120_DMA_RXH] __attribute__((aligned(16))),
+ adm5120_dma_rxl_v[ADM5120_DMA_RXL] __attribute__((aligned(16))),
+ *adm5120_dma_txh,
+ *adm5120_dma_txl,
+ *adm5120_dma_rxh,
+ *adm5120_dma_rxl;
+static struct sk_buff
+ *adm5120_skb_rxh[ADM5120_DMA_RXH],
+ *adm5120_skb_rxl[ADM5120_DMA_RXL],
+ *adm5120_skb_txh[ADM5120_DMA_TXH],
+ *adm5120_skb_txl[ADM5120_DMA_TXL];
+static int adm5120_rxli = 0;
+static int adm5120_txli = 0;
+/*static int adm5120_txhi = 0;*/
+static int adm5120_if_open = 0;
+
+static inline void adm5120_set_reg(unsigned int reg, unsigned long val)
+{
+ *(volatile unsigned long*)(SW_BASE+reg) = val;
+}
+
+static inline unsigned long adm5120_get_reg(unsigned int reg)
+{
+ return *(volatile unsigned long*)(SW_BASE+reg);
+}
+
+static inline void adm5120_rx_dma_update(struct adm5120_dma *dma,
+ struct sk_buff *skb, int end)
+{
+ dma->status = 0;
+ dma->cntl = 0;
+ dma->len = ADM5120_DMA_RXSIZE;
+ dma->data = ADM5120_DMA_ADDR(skb->data) |
+ ADM5120_DMA_OWN | (end ? ADM5120_DMA_RINGEND : 0);
+}
+
+static int adm5120_rx(struct net_device *dev,int *budget)
+{
+ struct sk_buff *skb, *skbn;
+ struct adm5120_sw *priv;
+ struct net_device *cdev;
+ struct adm5120_dma *dma;
+ int port, len, quota;
+
+ quota = min(dev->quota, *budget);
+ dma = &adm5120_dma_rxl[adm5120_rxli];
+ while (!(dma->data & ADM5120_DMA_OWN) && quota) {
+ port = (dma->status & ADM5120_DMA_PORTID);
+ port >>= ADM5120_DMA_PORTSHIFT;
+ cdev = adm5120_port[port];
+ if (cdev != dev) { /* The current packet belongs to a different device */
+ if ((cdev==NULL) || !netif_running(cdev)) {
+ /* discard (update with old skb) */
+ skb = skbn = NULL;
+ goto rx_skip;
+ }
+ else {
+ netif_rx_schedule(cdev);/* Start polling next device */
+ return 1; /* return 1 -> More packets to process */
+ }
+
+ }
+ skb = adm5120_skb_rxl[adm5120_rxli];
+ len = (dma->status & ADM5120_DMA_LEN);
+ len >>= ADM5120_DMA_LENSHIFT;
+ len -= ETH_FCS;
+
+ priv = netdev_priv(dev);
+ if (len <= 0 || len > ADM5120_DMA_RXSIZE ||
+ dma->status & ADM5120_DMA_FCSERR) {
+ priv->stats.rx_errors++;
+ skbn = NULL;
+ } else {
+ skbn = dev_alloc_skb(ADM5120_DMA_RXSIZE+16);
+ if (skbn) {
+ skb_put(skb, len);
+ skb->dev = dev;
+ skb->protocol = eth_type_trans(skb, dev);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ dev->last_rx = jiffies;
+ priv->stats.rx_packets++;
+ priv->stats.rx_bytes += len;
+ skb_reserve(skbn, NET_IP_ALIGN);
+ adm5120_skb_rxl[adm5120_rxli] = skbn;
+ } else {
+ printk(KERN_INFO "%s recycling!\n", dev->name);
+ }
+ }
+rx_skip:
+ adm5120_rx_dma_update(&adm5120_dma_rxl[adm5120_rxli],
+ adm5120_skb_rxl[adm5120_rxli],
+ (ADM5120_DMA_RXL-1==adm5120_rxli));
+ if (ADM5120_DMA_RXL == ++adm5120_rxli)
+ adm5120_rxli = 0;
+ dma = &adm5120_dma_rxl[adm5120_rxli];
+ if (skbn){
+ netif_receive_skb(skb);
+ dev->quota--;
+ (*budget)--;
+ quota--;
+ }
+ } /* while */
+ /* If there are still packets to process, return 1 */
+ if (quota){
+ /* No more packets to process, so disable the polling and reenable the interrupts */
+ netif_rx_complete(dev);
+ adm5120_set_reg(ADM5120_INT_MASK,
+ adm5120_get_reg(ADM5120_INT_MASK) &
+ ~(ADM5120_INT_RXL|ADM5120_INT_LFULL));
+ return 0;
+
+
+ }
+ return 1;
+}
+
+static irqreturn_t adm5120_sw_irq(int irq, void *dev_id)
+{
+ unsigned long intreg, intmask;
+ int port;
+ struct net_device *dev;
+
+ intmask = adm5120_get_reg(ADM5120_INT_MASK); /* Remember interrupt mask */
+ adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL); /* Disable interrupts */
+
+ intreg = adm5120_get_reg(ADM5120_INT_ST); /* Read interrupt status */
+ adm5120_set_reg(ADM5120_INT_ST, intreg); /* Clear interrupt status */
+
+ /* In NAPI operation the interrupts are disabled and the polling mechanism
+ * is activated. The interrupts are finally enabled again in the polling routine.
+ */
+ if (intreg & (ADM5120_INT_RXL|ADM5120_INT_LFULL)) {
+ /* check rx buffer for port number */
+ port = adm5120_dma_rxl[adm5120_rxli].status & ADM5120_DMA_PORTID;
+ port >>= ADM5120_DMA_PORTSHIFT;
+ dev = adm5120_port[port];
+ if ((dev==NULL) || !netif_running(dev)) {
+ /* discard (update with old skb) */
+ adm5120_rx_dma_update(&adm5120_dma_rxl[adm5120_rxli],
+ adm5120_skb_rxl[adm5120_rxli],
+ (ADM5120_DMA_RXL-1==adm5120_rxli));
+ if (ADM5120_DMA_RXL == ++adm5120_rxli)
+ adm5120_rxli = 0;
+ }
+ else {
+ netif_rx_schedule(dev);
+ intmask |= (ADM5120_INT_RXL|ADM5120_INT_LFULL); /* Disable RX interrupts */
+ }
+ }
+#ifdef CONFIG_DEBUG
+ if (intreg & ~(intmask))
+ printk(KERN_INFO "adm5120sw: IRQ 0x%08X unexpected!\n", (unsigned int)(intreg & ~(intmask)));
+#endif
+
+ adm5120_set_reg(ADM5120_INT_MASK, intmask);
+
+ return IRQ_HANDLED;
+}
+
+static void adm5120_set_vlan(char *matrix)
+{
+ unsigned long val;
+ int vlan_port, port;
+
+ val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
+ adm5120_set_reg(ADM5120_VLAN_GI, val);
+ val = matrix[4] + (matrix[5]<<8);
+ adm5120_set_reg(ADM5120_VLAN_GII, val);
+ /* Now set/update the port vs. device lookup table */
+ for (port=0; port<SW_DEVS; port++) {
+ for (vlan_port=0; vlan_port<SW_DEVS && !(matrix[vlan_port] & (0x00000001 << port)); vlan_port++);
+ if (vlan_port <SW_DEVS)
+ adm5120_port[port] = adm5120_devs[vlan_port];
+ else
+ adm5120_port[port] = NULL;
+ }
+}
+
+static void adm5120_set_bw(char *matrix)
+{
+ unsigned long val;
+
+ /* Port 0 to 3 are set using the bandwidth control 0 register */
+ val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
+ adm5120_set_reg(ADM5120_BW_CTL0, val);
+
+ /* Port 4 and 5 are set using the bandwidth control 1 register */
+ val = matrix[4];
+ if (matrix[5] == 1)
+ adm5120_set_reg(ADM5120_BW_CTL1, val | 0x80000000);
+ else
+ adm5120_set_reg(ADM5120_BW_CTL1, val & ~0x8000000);
+
+ printk(KERN_DEBUG "D: ctl0 0x%lx, ctl1 0x%lx\n",
+ adm5120_get_reg(ADM5120_BW_CTL0),
+ adm5120_get_reg(ADM5120_BW_CTL1));
+}
+
+static int adm5120_sw_open(struct net_device *dev)
+{
+ unsigned long val;
+ int i;
+
+ netif_start_queue(dev);
+ if (!adm5120_if_open++) {
+ /* enable interrupts on first open */
+ adm5120_set_reg(ADM5120_INT_MASK,
+ adm5120_get_reg(ADM5120_INT_MASK) &
+ ~(ADM5120_INT_RXL|ADM5120_INT_LFULL));
+ }
+ /* enable (additional) port */
+ val = adm5120_get_reg(ADM5120_PORT_CONF0);
+ for (i=0; i<SW_DEVS; i++) {
+ if (dev == adm5120_devs[i])
+ val &= ~adm5120_eth_vlans[i];
+ }
+ adm5120_set_reg(ADM5120_PORT_CONF0, val);
+ return 0;
+}
+
+static int adm5120_sw_stop(struct net_device *dev)
+{
+ unsigned long val;
+ int i;
+
+ if (!--adm5120_if_open) {
+ adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL);
+ }
+ /* disable port if not assigned to other devices */
+ val = adm5120_get_reg(ADM5120_PORT_CONF0) | ADM5120_PORTDISALL;
+ for (i=0; i<SW_DEVS; i++) {
+ if ((dev != adm5120_devs[i]) && netif_running(adm5120_devs[i]))
+ val &= ~adm5120_eth_vlans[i];
+ }
+ adm5120_set_reg(ADM5120_PORT_CONF0, val);
+ netif_stop_queue(dev);
+ return 0;
+}
+
+static int adm5120_sw_tx(struct sk_buff *skb, struct net_device *dev)
+{
+ struct adm5120_dma *dma;
+ struct sk_buff **skbl = adm5120_skb_txl;
+ struct adm5120_sw *priv = netdev_priv(dev);
+ unsigned long data;
+
+ dev->trans_start = jiffies;
+ dma = &adm5120_dma_txl[adm5120_txli];
+ if (dma->data & ADM5120_DMA_OWN) {
+ /* We want to write a packet but the TX queue is still
+ * occupied by the DMA. We are faster than the DMA... */
+ dev_kfree_skb(skb);
+ priv->stats.tx_dropped++;
+ return 0;
+ }
+ data = ADM5120_DMA_ADDR(skb->data) | ADM5120_DMA_OWN;
+ if (adm5120_txli == ADM5120_DMA_TXL-1)
+ data |= ADM5120_DMA_RINGEND;
+ dma->status =
+ ((skb->len<ETH_ZLEN?ETH_ZLEN:skb->len) << ADM5120_DMA_LENSHIFT) |
+ (0x1 << priv->port);
+
+ dma->len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
+ priv->stats.tx_packets++;
+ priv->stats.tx_bytes += skb->len;
+
+ /* free old skbs here instead of tx completion interrupt:
+ * will hold some more memory allocated but reduces interrupts */
+ if (skbl[adm5120_txli]){
+ dev_kfree_skb(skbl[adm5120_txli]);
+ }
+ skbl[adm5120_txli] = skb;
+
+ dma->data = data; /* Here we enable the buffer for the TX DMA machine */
+ adm5120_set_reg(ADM5120_SEND_TRIG, ADM5120_SEND_TRIG_L);
+ if (++adm5120_txli == ADM5120_DMA_TXL)
+ adm5120_txli = 0;
+ return 0;
+}
+
+static void adm5120_tx_timeout(struct net_device *dev)
+{
+ printk(KERN_INFO "%s: TX timeout\n",dev->name);
+}
+
+static struct net_device_stats *adm5120_sw_stats(struct net_device *dev)
+{
+ struct adm5120_sw *priv = netdev_priv(dev);
+ int portmask;
+ unsigned long adm5120_cpup_conf_reg;
+
+ portmask = adm5120_eth_vlans[priv->port] & 0x3f;
+
+ adm5120_cpup_conf_reg = adm5120_get_reg(ADM5120_CPUP_CONF);
+
+ if (dev->flags & IFF_PROMISC)
+ adm5120_cpup_conf_reg &= ~((portmask << ADM5120_DISUNSHIFT) & ADM5120_DISUNALL);
+ else
+ adm5120_cpup_conf_reg |= (portmask << ADM5120_DISUNSHIFT);
+
+ if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI || dev->mc_count)
+ adm5120_cpup_conf_reg &= ~((portmask << ADM5120_DISMCSHIFT) & ADM5120_DISMCALL);
+ else
+ adm5120_cpup_conf_reg |= (portmask << ADM5120_DISMCSHIFT);
+
+ /* If there is any port configured to be in promiscuous mode, then the */
+ /* Bridge Test Mode has to be activated. This will result in */
+ /* transporting also packets learned in another VLAN to be forwarded */
+ /* to the CPU. */
+ /* The difficult scenario is when we want to build a bridge on the CPU.*/
+ /* Assume we have port0 and the CPU port in VLAN0 and port1 and the */
+ /* CPU port in VLAN1. Now we build a bridge on the CPU between */
+ /* VLAN0 and VLAN1. Both ports of the VLANs are set in promisc mode. */
+ /* Now assume a packet with ethernet source address 99 enters port 0 */
+ /* It will be forwarded to the CPU because it is unknown. Then the */
+ /* bridge in the CPU will send it to VLAN1 and it goes out at port 1. */
+ /* When now a packet with ethernet destination address 99 comes in at */
+ /* port 1 in VLAN1, then the switch has learned that this address is */
+ /* located at port 0 in VLAN0. Therefore the switch will drop */
+ /* this packet. In order to avoid this and to send the packet still */
+ /* to the CPU, the Bridge Test Mode has to be activated. */
+
+ /* Check if there is any vlan in promisc mode. */
+ if (~adm5120_cpup_conf_reg & ADM5120_DISUNALL)
+ adm5120_cpup_conf_reg |= ADM5120_BTM; /* Set the BTM */
+ else
+ adm5120_cpup_conf_reg &= ~ADM5120_BTM; /* Disable the BTM */
+
+ adm5120_set_reg(ADM5120_CPUP_CONF,adm5120_cpup_conf_reg);
+
+ return &((struct adm5120_sw *)netdev_priv(dev))->stats;
+}
+
+static void adm5120_set_multicast_list(struct net_device *dev)
+{
+ struct adm5120_sw *priv = netdev_priv(dev);
+ int portmask;
+
+ portmask = adm5120_eth_vlans[priv->port] & 0x3f;
+
+ if (dev->flags & IFF_PROMISC)
+ adm5120_set_reg(ADM5120_CPUP_CONF,
+ adm5120_get_reg(ADM5120_CPUP_CONF) &
+ ~((portmask << ADM5120_DISUNSHIFT) & ADM5120_DISUNALL));
+ else
+ adm5120_set_reg(ADM5120_CPUP_CONF,
+ adm5120_get_reg(ADM5120_CPUP_CONF) |
+ (portmask << ADM5120_DISUNSHIFT));
+
+ if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI ||
+ dev->mc_count)
+ adm5120_set_reg(ADM5120_CPUP_CONF,
+ adm5120_get_reg(ADM5120_CPUP_CONF) &
+ ~((portmask << ADM5120_DISMCSHIFT) & ADM5120_DISMCALL));
+ else
+ adm5120_set_reg(ADM5120_CPUP_CONF,
+ adm5120_get_reg(ADM5120_CPUP_CONF) |
+ (portmask << ADM5120_DISMCSHIFT));
+}
+
+static void adm5120_write_mac(struct net_device *dev)
+{
+ struct adm5120_sw *priv = netdev_priv(dev);
+ unsigned char *mac = dev->dev_addr;
+
+ adm5120_set_reg(ADM5120_MAC_WT1,
+ mac[2] | (mac[3]<<8) | (mac[4]<<16) | (mac[5]<<24));
+ adm5120_set_reg(ADM5120_MAC_WT0, (priv->port<<3) |
+ (mac[0]<<16) | (mac[1]<<24) | ADM5120_MAC_WRITE | ADM5120_VLAN_EN);
+
+ while (!(adm5120_get_reg(ADM5120_MAC_WT0) & ADM5120_MAC_WRITE_DONE));
+}
+
+static int adm5120_sw_set_mac_address(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ adm5120_write_mac(dev);
+ return 0;
+}
+
+static int adm5120_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ int err;
+ struct adm5120_sw_info info;
+ struct adm5120_sw *priv = netdev_priv(dev);
+
+ switch(cmd) {
+ case SIOCGADMINFO:
+ info.magic = 0x5120;
+ info.ports = adm5120_nrdevs;
+ info.vlan = priv->port;
+ err = copy_to_user(rq->ifr_data, &info, sizeof(info));
+ if (err)
+ return -EFAULT;
+ break;
+ case SIOCSMATRIX:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ err = copy_from_user(adm5120_eth_vlans, rq->ifr_data,
+ sizeof(adm5120_eth_vlans));
+ if (err)
+ return -EFAULT;
+ adm5120_set_vlan(adm5120_eth_vlans);
+ break;
+ case SIOCGMATRIX:
+ err = copy_to_user(rq->ifr_data, adm5120_eth_vlans,
+ sizeof(adm5120_eth_vlans));
+ if (err)
+ return -EFAULT;
+ break;
+ case SIOCGETBW:
+ err = copy_to_user(rq->ifr_data, bw_matrix, sizeof(bw_matrix));
+ if (err)
+ return -EFAULT;
+ break;
+ case SIOCSETBW:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ err = copy_from_user(bw_matrix, rq->ifr_data, sizeof(bw_matrix));
+ if (err)
+ return -EFAULT;
+ adm5120_set_bw(bw_matrix);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+
+static void adm5120_dma_tx_init(struct adm5120_dma *dma, struct sk_buff **skbl,
+ int num)
+{
+ memset(dma, 0, sizeof(struct adm5120_dma)*num);
+ dma[num-1].data |= ADM5120_DMA_RINGEND;
+ memset(skbl, 0, sizeof(struct skb*)*num);
+}
+
+static void adm5120_dma_rx_init(struct adm5120_dma *dma, struct sk_buff **skbl,
+ int num)
+{
+ int i;
+
+ memset(dma, 0, sizeof(struct adm5120_dma)*num);
+ for (i=0; i<num; i++) {
+ skbl[i] = dev_alloc_skb(ADM5120_DMA_RXSIZE+16);
+ if (!skbl[i]) {
+ i=num;
+ break;
+ }
+ skb_reserve(skbl[i], NET_IP_ALIGN);
+ adm5120_rx_dma_update(&dma[i], skbl[i], (num-1==i));
+ }
+}
+
+static int __init adm5120_sw_init(void)
+{
+ int i, err;
+ struct net_device *dev;
+
+ err = request_irq(ADM5120_IRQ_SWITCH, adm5120_sw_irq, 0, "ethernet switch", NULL);
+ if (err)
+ goto out;
+
+ adm5120_nrdevs = adm5120_eth_num_ports;
+
+ adm5120_set_reg(ADM5120_CPUP_CONF,
+ ADM5120_DISCCPUPORT | ADM5120_CRC_PADDING |
+ ADM5120_DISUNALL | ADM5120_DISMCALL);
+ adm5120_set_reg(ADM5120_PORT_CONF0, ADM5120_ENMC | ADM5120_ENBP | ADM5120_PORTDISALL);
+
+ adm5120_set_reg(ADM5120_PHY_CNTL2, adm5120_get_reg(ADM5120_PHY_CNTL2) |
+ ADM5120_AUTONEG | ADM5120_NORMAL | ADM5120_AUTOMDIX);
+ adm5120_set_reg(ADM5120_PHY_CNTL3, adm5120_get_reg(ADM5120_PHY_CNTL3) |
+ ADM5120_PHY_NTH);
+
+ /* Force all the packets from all ports are low priority */
+ adm5120_set_reg(ADM5120_PRI_CNTL, 0);
+
+ adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL);
+ adm5120_set_reg(ADM5120_INT_ST, ADM5120_INTMASKALL);
+
+ adm5120_dma_txh = (void *)KSEG1ADDR((u32)adm5120_dma_txh_v);
+ adm5120_dma_txl = (void *)KSEG1ADDR((u32)adm5120_dma_txl_v);
+ adm5120_dma_rxh = (void *)KSEG1ADDR((u32)adm5120_dma_rxh_v);
+ adm5120_dma_rxl = (void *)KSEG1ADDR((u32)adm5120_dma_rxl_v);
+
+ adm5120_dma_tx_init(adm5120_dma_txh, adm5120_skb_txh, ADM5120_DMA_TXH);
+ adm5120_dma_tx_init(adm5120_dma_txl, adm5120_skb_txl, ADM5120_DMA_TXL);
+ adm5120_dma_rx_init(adm5120_dma_rxh, adm5120_skb_rxh, ADM5120_DMA_RXH);
+ adm5120_dma_rx_init(adm5120_dma_rxl, adm5120_skb_rxl, ADM5120_DMA_RXL);
+ adm5120_set_reg(ADM5120_SEND_HBADDR, KSEG1ADDR(adm5120_dma_txh));
+ adm5120_set_reg(ADM5120_SEND_LBADDR, KSEG1ADDR(adm5120_dma_txl));
+ adm5120_set_reg(ADM5120_RECEIVE_HBADDR, KSEG1ADDR(adm5120_dma_rxh));
+ adm5120_set_reg(ADM5120_RECEIVE_LBADDR, KSEG1ADDR(adm5120_dma_rxl));
+
+ for (i = 0; i < SW_DEVS; i++) {
+ adm5120_devs[i] = alloc_etherdev(sizeof(struct adm5120_sw));
+ if (!adm5120_devs[i]) {
+ err = -ENOMEM;
+ goto out_int;
+ }
+
+ dev = adm5120_devs[i];
+ SET_MODULE_OWNER(dev);
+ memset(netdev_priv(dev), 0, sizeof(struct adm5120_sw));
+ ((struct adm5120_sw*)netdev_priv(dev))->port = i;
+ dev->base_addr = SW_BASE;
+ dev->irq = ADM5120_IRQ_SWITCH;
+ dev->open = adm5120_sw_open;
+ dev->hard_start_xmit = adm5120_sw_tx;
+ dev->stop = adm5120_sw_stop;
+ dev->get_stats = adm5120_sw_stats;
+ dev->set_multicast_list = adm5120_set_multicast_list;
+ dev->do_ioctl = adm5120_do_ioctl;
+ dev->tx_timeout = adm5120_tx_timeout;
+ dev->watchdog_timeo = ETH_TX_TIMEOUT;
+ dev->set_mac_address = adm5120_sw_set_mac_address;
+ dev->poll = adm5120_rx;
+ dev->weight = 64;
+
+ memcpy(dev->dev_addr, adm5120_eth_macs[i], 6);
+ adm5120_write_mac(dev);
+
+ if ((err = register_netdev(dev))) {
+ free_netdev(dev);
+ goto out_int;
+ }
+ printk(KERN_INFO "%s: ADM5120 switch port%d\n", dev->name, i);
+ }
+ /* setup vlan/port mapping after devs are filled up */
+ adm5120_set_vlan(adm5120_eth_vlans);
+
+ adm5120_set_reg(ADM5120_CPUP_CONF,
+ ADM5120_CRC_PADDING | ADM5120_DISUNALL | ADM5120_DISMCALL);
+
+ return 0;
+
+out_int:
+ /* Undo everything that did succeed */
+ for (; i; i--) {
+ unregister_netdev(adm5120_devs[i-1]);
+ free_netdev(adm5120_devs[i-1]);
+ }
+ free_irq(ADM5120_IRQ_SWITCH, NULL);
+out:
+ printk(KERN_ERR "ADM5120 Ethernet switch init failed\n");
+ return err;
+}
+
+static void __exit adm5120_sw_exit(void)
+{
+ int i;
+
+ for (i = 0; i < SW_DEVS; i++) {
+ unregister_netdev(adm5120_devs[i]);
+ free_netdev(adm5120_devs[i]);
+ }
+
+ free_irq(ADM5120_IRQ_SWITCH, NULL);
+
+ for (i = 0; i < ADM5120_DMA_RXH; i++) {
+ if (!adm5120_skb_rxh[i])
+ break;
+ kfree_skb(adm5120_skb_rxh[i]);
+ }
+ for (i = 0; i < ADM5120_DMA_RXL; i++) {
+ if (!adm5120_skb_rxl[i])
+ break;
+ kfree_skb(adm5120_skb_rxl[i]);
+ }
+}
+
+module_init(adm5120_sw_init);
+module_exit(adm5120_sw_exit);
diff --git a/target/linux/adm5120/files/drivers/net/adm5120sw.h b/target/linux/adm5120/files/drivers/net/adm5120sw.h
new file mode 100644
index 000000000..a3b4ec017
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/net/adm5120sw.h
@@ -0,0 +1,114 @@
+/*
+ * Defines for ADM5120 built in ethernet switch driver
+ *
+ * Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ *
+ * Values come from ADM5120 datasheet and original ADMtek 2.4 driver,
+ * Copyright ADMtek Inc.
+ */
+
+#ifndef _INCLUDE_ADM5120SW_H_
+#define _INCLUDE_ADM5120SW_H_
+
+#define SW_BASE KSEG1ADDR(0x12000000)
+#define SW_DEVS 6
+
+#define ETH_TX_TIMEOUT HZ*400
+#define ETH_FCS 4;
+
+#define ADM5120_CODE 0x00 /* CPU description */
+#define ADM5120_CODE_PQFP 0x20000000 /* package type */
+#define ADM5120_SW_CONF 0x20 /* Switch configuration register */
+#define ADM5120_SW_CONF_BPM 0x00300000 /* Mask for backpressure mode */
+#define ADM5120_CPUP_CONF 0x24 /* CPU port config */
+#define ADM5120_DISCCPUPORT 0x00000001 /* disable cpu port */
+#define ADM5120_CRC_PADDING 0x00000002 /* software crc */
+#define ADM5120_BTM 0x00000004 /* bridge test mode */
+#define ADM5120_DISUNSHIFT 9
+#define ADM5120_DISUNALL 0x00007e00 /* disable unknown from all */
+#define ADM5120_DISMCSHIFT 16
+#define ADM5120_DISMCALL 0x003f0000 /* disable multicast from all */
+#define ADM5120_PORT_CONF0 0x28
+#define ADM5120_ENMC 0x00003f00 /* Enable MC routing (ex cpu) */
+#define ADM5120_ENBP 0x003f0000 /* Enable Back Pressure */
+#define ADM5120_PORTDISALL 0x0000003F
+#define ADM5120_VLAN_GI 0x40 /* VLAN settings */
+#define ADM5120_VLAN_GII 0x44
+#define ADM5120_SEND_TRIG 0x48
+#define ADM5120_SEND_TRIG_L 0x00000001
+#define ADM5120_SEND_TRIG_H 0x00000002
+#define ADM5120_MAC_WT0 0x58
+#define ADM5120_MAC_WRITE 0x00000001
+#define ADM5120_MAC_WRITE_DONE 0x00000002
+#define ADM5120_VLAN_EN 0x00000040
+#define ADM5120_MAC_WT1 0x5c
+#define ADM5120_BW_CTL0 0x60 /* Bandwidth control 0 */
+#define ADM5120_BW_CTL1 0x64 /* Bandwidth control 1 */
+#define ADM5120_PHY_CNTL2 0x7c
+#define ADM5120_AUTONEG 0x0000001f /* Auto negotiate */
+#define ADM5120_NORMAL 0x01f00000 /* PHY normal mode */
+#define ADM5120_AUTOMDIX 0x3e000000 /* Auto MDIX */
+#define ADM5120_PHY_CNTL3 0x80
+#define ADM5120_PHY_NTH 0x00000400
+#define ADM5120_PRI_CNTL 0x84
+#define ADM5120_INT_ST 0xb0
+#define ADM5120_INT_RXH 0x0000004
+#define ADM5120_INT_RXL 0x0000008
+#define ADM5120_INT_HFULL 0x0000010
+#define ADM5120_INT_LFULL 0x0000020
+#define ADM5120_INT_TXH 0x0000001
+#define ADM5120_INT_TXL 0x0000002
+#define ADM5120_INT_MASK 0xb4
+#define ADM5120_INTMASKALL 0x1FDEFFF /* All interrupts */
+#define ADM5120_INTHANDLE (ADM5120_INT_RXH | ADM5120_INT_RXL | \
+ ADM5120_INT_HFULL | ADM5120_INT_LFULL | \
+ ADM5120_INT_TXH | ADM5120_INT_TXL)
+#define ADM5120_SEND_HBADDR 0xd0
+#define ADM5120_SEND_LBADDR 0xd4
+#define ADM5120_RECEIVE_HBADDR 0xd8
+#define ADM5120_RECEIVE_LBADDR 0xdc
+
+struct adm5120_dma {
+ u32 data;
+ u32 cntl;
+ u32 len;
+ u32 status;
+} __attribute__ ((packed));
+
+#define ADM5120_DMA_MASK 0x01ffffff
+#define ADM5120_DMA_OWN 0x80000000 /* buffer owner */
+#define ADM5120_DMA_RINGEND 0x10000000 /* Last in DMA ring */
+
+#define ADM5120_DMA_ADDR(ptr) ((u32)(ptr) & ADM5120_DMA_MASK)
+#define ADM5120_DMA_PORTID 0x00007000
+#define ADM5120_DMA_PORTSHIFT 12
+#define ADM5120_DMA_LEN 0x07ff0000
+#define ADM5120_DMA_LENSHIFT 16
+#define ADM5120_DMA_FCSERR 0x00000008
+
+#define ADM5120_DMA_TXH 2
+#define ADM5120_DMA_TXL 64
+#define ADM5120_DMA_RXH 2
+#define ADM5120_DMA_RXL 64
+
+#define ADM5120_DMA_RXSIZE 1550
+#define ADM5120_DMA_EXTRA 20
+
+struct adm5120_sw {
+ int port;
+ struct net_device_stats stats;
+};
+
+#define SIOCSMATRIX SIOCDEVPRIVATE
+#define SIOCGMATRIX SIOCDEVPRIVATE+1
+#define SIOCGADMINFO SIOCDEVPRIVATE+2
+#define SIOCGETBW SIOCDEVPRIVATE+3
+#define SIOCSETBW SIOCDEVPRIVATE+4
+
+struct adm5120_sw_info {
+ u16 magic;
+ u16 ports;
+ u16 vlan;
+};
+
+#endif /* _INCLUDE_ADM5120SW_H_ */
diff --git a/target/linux/adm5120/files/drivers/serial/adm5120_uart.c b/target/linux/adm5120/files/drivers/serial/adm5120_uart.c
new file mode 100644
index 000000000..83c5f7201
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/serial/adm5120_uart.c
@@ -0,0 +1,520 @@
+/*
+ * Serial driver for ADM5120 SoC
+ *
+ * Derived from drivers/serial/uart00.c
+ * Copyright 2001 Altera Corporation
+ *
+ * Some pieces are derived from the ADMtek 2.4 serial driver.
+ * Copyright (C) ADMtek Incorporated, 2003
+ * daniell@admtek.com.tw
+ * Which again was derived from drivers/char/serial.c
+ * Copyright (C) Linus Torvalds et al.
+ *
+ * Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/console.h>
+
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_irq.h>
+
+#define ADM5120_UART_REG(base, reg) \
+ (*(volatile u32 *)KSEG1ADDR((base)+(reg)))
+
+#define ADM5120_UARTCLK_FREQ 62500000
+#define ADM5120_UART_BAUDDIV(rate) ((unsigned long)(ADM5120_UARTCLK_FREQ/(16*(rate)) - 1))
+
+#define ADM5120_UART_BAUD115200 ADM5120_UART_BAUDDIV(115200)
+
+#define ADM5120_UART_DATA 0x00
+#define ADM5120_UART_RS 0x04
+#define ADM5120_UART_LCR_H 0x08
+#define ADM5120_UART_LCR_M 0x0c
+#define ADM5120_UART_LCR_L 0x10
+#define ADM5120_UART_CR 0x14
+#define ADM5120_UART_FR 0x18
+#define ADM5120_UART_IR 0x1c
+
+#define ADM5120_UART_FE 0x01
+#define ADM5120_UART_PE 0x02
+#define ADM5120_UART_BE 0x04
+#define ADM5120_UART_OE 0x08
+#define ADM5120_UART_ERR 0x0f
+#define ADM5120_UART_FIFO_EN 0x10
+#define ADM5120_UART_EN 0x01
+#define ADM5120_UART_TIE 0x20
+#define ADM5120_UART_RIE 0x50
+#define ADM5120_UART_IE 0x78
+#define ADM5120_UART_CTS 0x01
+#define ADM5120_UART_DSR 0x02
+#define ADM5120_UART_DCD 0x04
+#define ADM5120_UART_TXFF 0x20
+#define ADM5120_UART_TXFE 0x80
+#define ADM5120_UART_RXFE 0x10
+#define ADM5120_UART_BRK 0x01
+#define ADM5120_UART_PEN 0x02
+#define ADM5120_UART_EPS 0x04
+#define ADM5120_UART_STP2 0x08
+#define ADM5120_UART_W5 0x00
+#define ADM5120_UART_W6 0x20
+#define ADM5120_UART_W7 0x40
+#define ADM5120_UART_W8 0x60
+#define ADM5120_UART_MIS 0x01
+#define ADM5120_UART_RIS 0x02
+#define ADM5120_UART_TIS 0x04
+#define ADM5120_UART_RTIS 0x08
+
+static void adm5120ser_stop_tx(struct uart_port *port)
+{
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_TIE;
+}
+
+static void adm5120ser_irq_rx(struct uart_port *port)
+{
+ struct tty_struct *tty = port->info->tty;
+ unsigned int status, ch, rds, flg, ignored = 0;
+
+ status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+ while (!(status & ADM5120_UART_RXFE)) {
+ /*
+ * We need to read rds before reading the
+ * character from the fifo
+ */
+ rds = ADM5120_UART_REG(port->iobase, ADM5120_UART_RS);
+ ch = ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA);
+ port->icount.rx++;
+
+ if (tty->low_latency)
+ tty_flip_buffer_push(tty);
+
+ flg = TTY_NORMAL;
+
+ /*
+ * Note that the error handling code is
+ * out of the main execution path
+ */
+ if (rds & ADM5120_UART_ERR)
+ goto handle_error;
+ if (uart_handle_sysrq_char(port, ch))
+ goto ignore_char;
+
+ error_return:
+ tty_insert_flip_char(tty, ch, flg);
+
+ ignore_char:
+ status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+ }
+ out:
+ tty_flip_buffer_push(tty);
+ return;
+
+ handle_error:
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_RS) = 0xff;
+ if (rds & ADM5120_UART_BE) {
+ port->icount.brk++;
+ if (uart_handle_break(port))
+ goto ignore_char;
+ } else if (rds & ADM5120_UART_PE)
+ port->icount.parity++;
+ else if (rds & ADM5120_UART_FE)
+ port->icount.frame++;
+ if (rds & ADM5120_UART_OE)
+ port->icount.overrun++;
+
+ if (rds & port->ignore_status_mask) {
+ if (++ignored > 100)
+ goto out;
+ goto ignore_char;
+ }
+ rds &= port->read_status_mask;
+
+ if (rds & ADM5120_UART_BE)
+ flg = TTY_BREAK;
+ else if (rds & ADM5120_UART_PE)
+ flg = TTY_PARITY;
+ else if (rds & ADM5120_UART_FE)
+ flg = TTY_FRAME;
+
+ if (rds & ADM5120_UART_OE) {
+ /*
+ * CHECK: does overrun affect the current character?
+ * ASSUMPTION: it does not.
+ */
+ tty_insert_flip_char(tty, ch, flg);
+ ch = 0;
+ flg = TTY_OVERRUN;
+ }
+#ifdef CONFIG_MAGIC_SYSRQ
+ port->sysrq = 0;
+#endif
+ goto error_return;
+}
+
+static void adm5120ser_irq_tx(struct uart_port *port)
+{
+ struct circ_buf *xmit = &port->info->xmit;
+ int count;
+
+ if (port->x_char) {
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA) =
+ port->x_char;
+ port->icount.tx++;
+ port->x_char = 0;
+ return;
+ }
+ if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
+ adm5120ser_stop_tx(port);
+ return;
+ }
+
+ count = port->fifosize >> 1;
+ do {
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA) =
+ xmit->buf[xmit->tail];
+ xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+ port->icount.tx++;
+ if (uart_circ_empty(xmit))
+ break;
+ } while (--count > 0);
+
+ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+ uart_write_wakeup(port);
+
+ if (uart_circ_empty(xmit))
+ adm5120ser_stop_tx(port);
+}
+
+static void adm5120ser_irq_modem(struct uart_port *port)
+{
+ unsigned int status;
+
+ status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+
+ if (status & ADM5120_UART_DCD)
+ uart_handle_dcd_change(port, status & ADM5120_UART_DCD);
+
+ if (status & ADM5120_UART_DSR)
+ port->icount.dsr++;
+
+ if (status & ADM5120_UART_CTS)
+ uart_handle_cts_change(port, status & ADM5120_UART_CTS);
+
+ wake_up_interruptible(&port->info->delta_msr_wait);
+}
+
+static irqreturn_t adm5120ser_irq(int irq, void *dev_id)
+{
+ struct uart_port *port = dev_id;
+ unsigned long ir = ADM5120_UART_REG(port->iobase, ADM5120_UART_IR);
+
+ if (ir & (ADM5120_UART_RIS | ADM5120_UART_RTIS))
+ adm5120ser_irq_rx(port);
+ if (ir & ADM5120_UART_TIS)
+ adm5120ser_irq_tx(port);
+ if (ir & ADM5120_UART_MIS) {
+ adm5120ser_irq_modem(port);
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_IR) = 0xff;
+ }
+
+ return IRQ_HANDLED;
+}
+
+static unsigned int adm5120ser_tx_empty(struct uart_port *port)
+{
+ unsigned int fr = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+ return (fr & ADM5120_UART_TXFE) ? TIOCSER_TEMT : 0;
+}
+
+static void adm5120ser_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+}
+
+static unsigned int adm5120ser_get_mctrl(struct uart_port *port)
+{
+ unsigned int result = 0;
+ unsigned int fr = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+
+ if (fr & ADM5120_UART_CTS)
+ result |= TIOCM_CTS;
+ if (fr & ADM5120_UART_DSR)
+ result |= TIOCM_DSR;
+ if (fr & ADM5120_UART_DCD)
+ result |= TIOCM_CAR;
+ return result;
+}
+
+static void adm5120ser_start_tx(struct uart_port *port)
+{
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) |= ADM5120_UART_TIE;
+}
+
+static void adm5120ser_stop_rx(struct uart_port *port)
+{
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_RIE;
+}
+
+static void adm5120ser_enable_ms(struct uart_port *port)
+{
+}
+
+static void adm5120ser_break_ctl(struct uart_port *port, int break_state)
+{
+ unsigned long flags;
+ unsigned long lcrh;
+
+ spin_lock_irqsave(&port->lock, flags);
+ lcrh = ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H);
+ if (break_state == -1)
+ lcrh |= ADM5120_UART_BRK;
+ else
+ lcrh &= ~ADM5120_UART_BRK;
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) = lcrh;
+ spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static int adm5120ser_startup(struct uart_port *port)
+{
+ int ret;
+
+ ret = request_irq(port->irq, adm5120ser_irq, 0, "ADM5120 UART", port);
+ if (ret) {
+ printk(KERN_ERR "Couldn't get irq %d\n", port->irq);
+ return ret;
+ }
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) |=
+ ADM5120_UART_FIFO_EN;
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) |=
+ ADM5120_UART_EN | ADM5120_UART_IE;
+ return 0;
+}
+
+static void adm5120ser_shutdown(struct uart_port *port)
+{
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_IE;
+ free_irq(port->irq, port);
+}
+
+static void adm5120ser_set_termios(struct uart_port *port,
+ struct ktermios *termios, struct ktermios *old)
+{
+ unsigned int baud, quot, lcrh;
+ unsigned long flags;
+
+ termios->c_cflag |= CREAD;
+
+ baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
+ quot = uart_get_divisor(port, baud);
+
+ lcrh = ADM5120_UART_FIFO_EN;
+ switch (termios->c_cflag & CSIZE) {
+ case CS5:
+ lcrh |= ADM5120_UART_W5;
+ break;
+ case CS6:
+ lcrh |= ADM5120_UART_W6;
+ break;
+ case CS7:
+ lcrh |= ADM5120_UART_W7;
+ break;
+ default:
+ lcrh |= ADM5120_UART_W8;
+ break;
+ }
+ if (termios->c_cflag & CSTOPB)
+ lcrh |= ADM5120_UART_STP2;
+ if (termios->c_cflag & PARENB) {
+ lcrh |= ADM5120_UART_PEN;
+ if (!(termios->c_cflag & PARODD))
+ lcrh |= ADM5120_UART_EPS;
+ }
+
+ spin_lock_irqsave(port->lock, flags);
+
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) = lcrh;
+
+ /*
+ * Update the per-port timeout.
+ */
+ uart_update_timeout(port, termios->c_cflag, baud);
+
+ port->read_status_mask = ADM5120_UART_OE;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= ADM5120_UART_FE | ADM5120_UART_PE;
+ if (termios->c_iflag & (BRKINT | PARMRK))
+ port->read_status_mask |= ADM5120_UART_BE;
+
+ /*
+ * Characters to ignore
+ */
+ port->ignore_status_mask = 0;
+ if (termios->c_iflag & IGNPAR)
+ port->ignore_status_mask |= ADM5120_UART_FE | ADM5120_UART_PE;
+ if (termios->c_iflag & IGNBRK) {
+ port->ignore_status_mask |= ADM5120_UART_BE;
+ /*
+ * If we're ignoring parity and break indicators,
+ * ignore overruns to (for real raw support).
+ */
+ if (termios->c_iflag & IGNPAR)
+ port->ignore_status_mask |= ADM5120_UART_OE;
+ }
+
+ quot = ADM5120_UART_BAUD115200;
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_L) = quot & 0xff;
+ ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_M) = quot >> 8;
+
+ spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static const char *adm5120ser_type(struct uart_port *port)
+{
+ return port->type == PORT_ADM5120 ? "ADM5120" : NULL;
+}
+
+static void adm5120ser_config_port(struct uart_port *port, int flags)
+{
+ if (flags & UART_CONFIG_TYPE)
+ port->type = PORT_ADM5120;
+}
+
+static void adm5120ser_release_port(struct uart_port *port)
+{
+ release_mem_region(port->iobase, ADM5120_UART_SIZE);
+}
+
+static int adm5120ser_request_port(struct uart_port *port)
+{
+ return request_mem_region(port->iobase, ADM5120_UART_SIZE,
+ "adm5120-uart") != NULL ? 0 : -EBUSY;
+}
+
+static struct uart_ops adm5120ser_ops = {
+ .tx_empty = adm5120ser_tx_empty,
+ .set_mctrl = adm5120ser_set_mctrl,
+ .get_mctrl = adm5120ser_get_mctrl,
+ .stop_tx = adm5120ser_stop_tx,
+ .start_tx = adm5120ser_start_tx,
+ .stop_rx = adm5120ser_stop_rx,
+ .enable_ms = adm5120ser_enable_ms,
+ .break_ctl = adm5120ser_break_ctl,
+ .startup = adm5120ser_startup,
+ .shutdown = adm5120ser_shutdown,
+ .set_termios = adm5120ser_set_termios,
+ .type = adm5120ser_type,
+ .config_port = adm5120ser_config_port,
+ .release_port = adm5120ser_release_port,
+ .request_port = adm5120ser_request_port,
+};
+
+static void adm5120console_put(const char c)
+{
+ while ((ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_FR) &
+ ADM5120_UART_TXFF) != 0);
+ ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_DATA) = c;
+}
+
+static void adm5120console_write(struct console *con, const char *s,
+ unsigned int count)
+{
+ while (count--) {
+ if (*s == '\n')
+ adm5120console_put('\r');
+ adm5120console_put(*s);
+ s++;
+ }
+}
+
+static int adm5120console_setup(struct console *con, char *options)
+{
+ /* Set to 115200 baud, 8N1 and enable FIFO */
+ ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_LCR_L) =
+ ADM5120_UART_BAUD115200 & 0xff;
+ ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_LCR_M) =
+ ADM5120_UART_BAUD115200 >> 8;
+ ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_LCR_H) =
+ ADM5120_UART_W8 | ADM5120_UART_FIFO_EN;
+ /* Enable port */
+ ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_CR) =
+ ADM5120_UART_EN;
+
+ return 0;
+}
+
+static struct uart_driver adm5120ser_reg;
+
+static struct console adm5120_serconsole = {
+ .name = "ttyS",
+ .write = adm5120console_write,
+ .device = uart_console_device,
+ .setup = adm5120console_setup,
+ .flags = CON_PRINTBUFFER,
+ .cflag = B115200 | CS8 | CREAD,
+ .index = 0,
+ .data = &adm5120ser_reg,
+};
+
+static int __init adm5120console_init(void)
+{
+ register_console(&adm5120_serconsole);
+ return 0;
+}
+
+console_initcall(adm5120console_init);
+
+
+static struct uart_port adm5120ser_ports[] = {
+ {
+ .iobase = ADM5120_UART0_BASE,
+ .irq = ADM5120_IRQ_UART0,
+ .uartclk = ADM5120_UARTCLK_FREQ,
+ .fifosize = 16,
+ .ops = &adm5120ser_ops,
+ .line = 0,
+ .flags = ASYNC_BOOT_AUTOCONF,
+ },
+#if (CONFIG_ADM5120_NR_UARTS > 1)
+ {
+ .iobase = ADM5120_UART1_BASE,
+ .irq = ADM5120_IRQ_UART1,
+ .uartclk = ADM5120_UARTCLK_FREQ,
+ .fifosize = 16,
+ .ops = &adm5120ser_ops,
+ .line = 1,
+ .flags = ASYNC_BOOT_AUTOCONF,
+ },
+#endif
+};
+
+static struct uart_driver adm5120ser_reg = {
+ .owner = THIS_MODULE,
+ .driver_name = "ttyS",
+ .dev_name = "ttyS",
+ .major = TTY_MAJOR,
+ .minor = 64,
+ .nr = CONFIG_ADM5120_NR_UARTS,
+ .cons = &adm5120_serconsole,
+};
+
+static int __init adm5120ser_init(void)
+{
+ int ret, i;
+
+ ret = uart_register_driver(&adm5120ser_reg);
+ if (!ret) {
+ for (i = 0; i < CONFIG_ADM5120_NR_UARTS; i++)
+ uart_add_one_port(&adm5120ser_reg, &adm5120ser_ports[i]);
+ }
+
+ return ret;
+}
+
+__initcall(adm5120ser_init);
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
new file mode 100644
index 000000000..4e8877728
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
@@ -0,0 +1,996 @@
+/*
+ * HCD driver for ADM5120 SoC
+ *
+ * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
+ *
+ * Based on the ADMtek 2.4 driver
+ * (C) Copyright 2003 Junius Chen <juniusc@admtek.com.tw>
+ * Which again was based on the ohci and uhci drivers.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/usb.h>
+#include <linux/platform_device.h>
+
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/system.h>
+#include <asm/byteorder.h>
+#include <asm/mach-adm5120/adm5120_info.h>
+
+#include "../core/hcd.h"
+
+MODULE_DESCRIPTION("ADM5120 USB Host Controller Driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
+
+#define PFX "adm5120-hcd: "
+
+#define ADMHCD_REG_CONTROL 0x00
+#define ADMHCD_SW_RESET 0x00000008 /* Reset */
+#define ADMHCD_DMAA 0x00000004 /* DMA arbitration control */
+#define ADMHCD_SW_INTREQ 0x00000002 /* request software int */
+#define ADMHCD_HOST_EN 0x00000001 /* Host enable */
+#define ADMHCD_REG_INTSTATUS 0x04
+#define ADMHCD_INT_ACT 0x80000000 /* Interrupt active */
+#define ADMHCD_INT_FATAL 0x40000000 /* Fatal interrupt */
+#define ADMHCD_INT_SW 0x20000000 /* software interrupt */
+#define ADMHCD_INT_TD 0x00100000 /* TD completed */
+#define ADMHCD_FNO 0x00000800 /* Frame number overaflow */
+#define ADMHCD_SO 0x00000400 /* Scheduling overrun */
+#define ADMHCD_INSMI 0x00000200 /* Root hub status change */
+#define ADMHCD_BABI 0x00000100 /* Babble detected, host mode */
+#define ADMHCD_RESI 0x00000020 /* Resume detected */
+#define ADMHCD_SOFI 0x00000010 /* SOF transmitted/received, host mode */
+#define ADMHCD_REG_INTENABLE 0x08
+#define ADMHCD_INT_EN 0x80000000 /* Interrupt enable */
+#define ADMHCD_INTMASK 0x00000001 /* Interrupt mask */
+#define ADMHCD_REG_HOSTCONTROL 0x10
+#define ADMHCD_DMA_EN 0x00000004 /* USB host DMA enable */
+#define ADMHCD_STATE_MASK 0x00000003
+#define ADMHCD_STATE_RST 0x00000000 /* bus state reset */
+#define ADMHCD_STATE_RES 0x00000001 /* bus state resume */
+#define ADMHCD_STATE_OP 0x00000002 /* bus state operational */
+#define ADMHCD_STATE_SUS 0x00000003 /* bus state suspended */
+#define ADMHCD_REG_FMINTERVAL 0x18
+#define ADMHCD_REG_FMNUMBER 0x1c
+#define ADMHCD_REG_LSTHRESH 0x70
+#define ADMHCD_REG_RHDESCR 0x74
+#define ADMHCD_CRWE 0x20000000 /* Clear wakeup enable */
+#define ADMHCD_DRWE 0x10000000 /* Device remote wakeup enable */
+#define ADMHCD_HW_OCIC 0x08000000 /* Over current indication change */
+#define ADMHCD_LPSC 0x04000000 /* Local power switch change */
+#define ADMHCD_OCI 0x02000000 /* Over current indication */
+#define ADMHCD_LPS 0x01000000 /* Local power switch/global power switch */
+#define ADMHCD_NOCP 0x00000800 /* No over current protect mode */
+#define ADMHCD_OPCM 0x00000400 /* Over current protect mode */
+#define ADMHCD_NPS 0x00000200 /* No Power Switch */
+#define ADMHCD_PSM 0x00000100 /* Power switch mode */
+#define ADMHCD_REG_PORTSTATUS0 0x78
+#define ADMHCD_CCS 0x00000001 /* current connect status */
+#define ADMHCD_PES 0x00000002 /* port enable status */
+#define ADMHCD_PSS 0x00000004 /* port suspend status */
+#define ADMHCD_POCI 0x00000008 /* port overcurrent indicator */
+#define ADMHCD_PRS 0x00000010 /* port reset status */
+#define ADMHCD_PPS 0x00000100 /* port power status */
+#define ADMHCD_LSDA 0x00000200 /* low speed device attached */
+#define ADMHCD_CSC 0x00010000 /* connect status change */
+#define ADMHCD_PESC 0x00020000 /* enable status change */
+#define ADMHCD_PSSC 0x00040000 /* suspend status change */
+#define ADMHCD_OCIC 0x00080000 /* overcurrent change*/
+#define ADMHCD_PRSC 0x00100000 /* reset status change */
+#define ADMHCD_REG_PORTSTATUS1 0x7c
+#define ADMHCD_REG_HOSTHEAD 0x80
+
+#define ADMHCD_NUMPORTS 1
+#define ADMHCD_DESC_ALIGN 16
+
+struct admhcd_ed {
+ /* Don't change first four, they used for DMA */
+ u32 control;
+ struct admhcd_td *tail;
+ struct admhcd_td *head;
+ struct admhcd_ed *next;
+ /* the rest is for the driver only: */
+ struct admhcd_td *cur;
+ struct usb_host_endpoint *ep;
+ struct urb *urb;
+ struct admhcd_ed *real;
+} __attribute__ ((packed));
+
+#define ADMHCD_ED_EPSHIFT 7 /* Shift for endpoint number */
+#define ADMHCD_ED_INT 0x00000800 /* Is this an int endpoint */
+#define ADMHCD_ED_SPEED 0x00002000 /* Is it a high speed dev? */
+#define ADMHCD_ED_SKIP 0x00004000 /* Skip this ED */
+#define ADMHCD_ED_FORMAT 0x00008000 /* Is this an isoc endpoint */
+#define ADMHCD_ED_MAXSHIFT 16 /* Shift for max packet size */
+
+struct admhcd_td {
+ /* Don't change first four, they are used for DMA */
+ u32 control;
+ u32 buffer;
+ u32 buflen;
+ struct admhcd_td *next;
+ /* the rest is for the driver only: */
+ struct urb *urb;
+ struct admhcd_td *real;
+} __attribute__ ((packed));
+
+#define ADMHCD_TD_OWN 0x80000000
+#define ADMHCD_TD_TOGGLE 0x00000000
+#define ADMHCD_TD_DATA0 0x01000000
+#define ADMHCD_TD_DATA1 0x01800000
+#define ADMHCD_TD_OUT 0x00200000
+#define ADMHCD_TD_IN 0x00400000
+#define ADMHCD_TD_SETUP 0x00000000
+#define ADMHCD_TD_ISO 0x00010000
+#define ADMHCD_TD_R 0x00040000
+#define ADMHCD_TD_INTEN 0x00010000
+
+static int admhcd_td_err[16] = {
+ 0, /* No */
+ -EREMOTEIO, /* CRC */
+ -EREMOTEIO, /* bit stuff */
+ -EREMOTEIO, /* data toggle */
+ -EPIPE, /* stall */
+ -ETIMEDOUT, /* timeout */
+ -EPROTO, /* pid err */
+ -EPROTO, /* unexpected pid */
+ -EREMOTEIO, /* data overrun */
+ -EREMOTEIO, /* data underrun */
+ -ETIMEDOUT, /* 1010 */
+ -ETIMEDOUT, /* 1011 */
+ -EREMOTEIO, /* buffer overrun */
+ -EREMOTEIO, /* buffer underrun */
+ -ETIMEDOUT, /* 1110 */
+ -ETIMEDOUT, /* 1111 */
+};
+
+#define ADMHCD_TD_ERRMASK 0x38000000
+#define ADMHCD_TD_ERRSHIFT 27
+
+#define TD(td) ((struct admhcd_td *)(((u32)(td)) & ~(ADMHCD_DESC_ALIGN-1)))
+#define ED(ed) ((struct admhcd_ed *)(((u32)(ed)) & ~(ADMHCD_DESC_ALIGN-1)))
+
+struct admhcd {
+ spinlock_t lock;
+
+ /* Root hub registers */
+ u32 rhdesca;
+ u32 rhdescb;
+ u32 rhstatus;
+ u32 rhport[2];
+
+ /* async schedule: control, bulk */
+ struct list_head async;
+ u32 base;
+ u32 dma_en;
+ unsigned long flags;
+};
+
+static inline struct admhcd *hcd_to_admhcd(struct usb_hcd *hcd)
+{
+ return (struct admhcd *)(hcd->hcd_priv);
+}
+
+static inline struct usb_hcd *admhcd_to_hcd(struct admhcd *admhcd)
+{
+ return container_of((void *)admhcd, struct usb_hcd, hcd_priv);
+}
+
+static char hcd_name[] = "adm5120-hcd";
+
+static u32 admhcd_reg_get(struct admhcd *ahcd, int reg)
+{
+ return *(volatile u32 *)KSEG1ADDR(ahcd->base+reg);
+}
+
+static void admhcd_reg_set(struct admhcd *ahcd, int reg, u32 val)
+{
+ *(volatile u32 *)KSEG1ADDR(ahcd->base+reg) = val;
+}
+
+static void admhcd_lock(struct admhcd *ahcd)
+{
+ spin_lock_irqsave(&ahcd->lock, ahcd->flags);
+ ahcd->dma_en = admhcd_reg_get(ahcd, ADMHCD_REG_HOSTCONTROL) &
+ ADMHCD_DMA_EN;
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
+}
+
+static void admhcd_unlock(struct admhcd *ahcd)
+{
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL,
+ ADMHCD_STATE_OP | ahcd->dma_en);
+ spin_unlock_irqrestore(&ahcd->lock, ahcd->flags);
+}
+
+static struct admhcd_td *admhcd_td_alloc(struct admhcd_ed *ed, struct urb *urb)
+{
+ struct admhcd_td *tdn, *td;
+
+ tdn = kzalloc(sizeof(*tdn)+ADMHCD_DESC_ALIGN, GFP_ATOMIC);
+ if (!tdn)
+ return NULL;
+
+ tdn->real = tdn;
+ tdn = TD(KSEG1ADDR(tdn));
+ if (ed->cur == NULL) {
+ ed->cur = tdn;
+ ed->head = tdn;
+ ed->tail = tdn;
+ td = tdn;
+ } else {
+ /* Supply back the old tail and link in new td as tail */
+ td = TD(ed->tail);
+ TD(ed->tail)->next = tdn;
+ ed->tail = tdn;
+ }
+ td->urb = urb;
+
+ return td;
+}
+
+static void admhcd_td_free(struct admhcd_ed *ed, struct urb *urb)
+{
+ struct admhcd_td *td, **tdp;
+
+ if (urb == NULL)
+ ed->control |= ADMHCD_ED_SKIP;
+ tdp = &ed->cur;
+ td = ed->cur;
+ do {
+ if (td->urb == urb)
+ break;
+ tdp = &td->next;
+ td = TD(td->next);
+ } while (td);
+ while (td && td->urb == urb) {
+ *tdp = TD(td->next);
+ kfree(td->real);
+ td = *tdp;
+ }
+}
+
+/* Find an endpoint's descriptor, if needed allocate a new one and link it
+ in the DMA chain
+ */
+static struct admhcd_ed *admhcd_get_ed(struct admhcd *ahcd,
+ struct usb_host_endpoint *ep, struct urb *urb)
+{
+ struct admhcd_ed *hosthead;
+ struct admhcd_ed *found = NULL, *ed = NULL;
+ unsigned int pipe = urb->pipe;
+
+ admhcd_lock(ahcd);
+ hosthead = (struct admhcd_ed *)admhcd_reg_get(ahcd, ADMHCD_REG_HOSTHEAD);
+ if (hosthead) {
+ for (ed = hosthead;; ed = ED(ed->next)) {
+ if (ed->ep == ep) {
+ found = ed;
+ break;
+ }
+ if (ED(ed->next) == hosthead)
+ break;
+ }
+ }
+ if (!found) {
+ found = kzalloc(sizeof(*found)+ADMHCD_DESC_ALIGN, GFP_ATOMIC);
+ if (!found)
+ goto out;
+ found->real = found;
+ found->ep = ep;
+ found = ED(KSEG1ADDR(found));
+ found->control = usb_pipedevice(pipe) |
+ (usb_pipeendpoint(pipe) << ADMHCD_ED_EPSHIFT) |
+ (usb_pipeint(pipe) ? ADMHCD_ED_INT : 0) |
+ (urb->dev->speed == USB_SPEED_FULL ? ADMHCD_ED_SPEED : 0) |
+ (usb_pipeisoc(pipe) ? ADMHCD_ED_FORMAT : 0) |
+ (usb_maxpacket(urb->dev, pipe, usb_pipeout(pipe)) << ADMHCD_ED_MAXSHIFT);
+ /* Alloc first dummy td */
+ admhcd_td_alloc(found, NULL);
+ if (hosthead) {
+ found->next = hosthead;
+ ed->next = found;
+ } else {
+ found->next = found;
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, (u32)found);
+ }
+ }
+out:
+ admhcd_unlock(ahcd);
+ return found;
+}
+
+static struct admhcd_td *admhcd_td_fill(u32 control, struct admhcd_td *td,
+ dma_addr_t data, int len)
+{
+ td->buffer = data;
+ td->buflen = len;
+ td->control = control;
+ return TD(td->next);
+}
+
+static void admhcd_ed_start(struct admhcd *ahcd, struct admhcd_ed *ed)
+{
+ struct admhcd_td *td = ed->cur;
+
+ if (ed->urb)
+ return;
+ if (td->urb) {
+ ed->urb = td->urb;
+ while (1) {
+ td->control |= ADMHCD_TD_OWN;
+ if (TD(td->next)->urb != td->urb) {
+ td->buflen |= ADMHCD_TD_INTEN;
+ break;
+ }
+ td = TD(td->next);
+ }
+ }
+ ed->head = TD(ed->head);
+ ahcd->dma_en |= ADMHCD_DMA_EN;
+}
+
+static irqreturn_t admhcd_irq(struct usb_hcd *hcd)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ u32 intstatus;
+
+ intstatus = admhcd_reg_get(ahcd, ADMHCD_REG_INTSTATUS);
+ if (intstatus & ADMHCD_INT_FATAL) {
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_FATAL);
+ /* FIXME: handle fatal interrupts */
+ }
+
+ if (intstatus & ADMHCD_INT_SW) {
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_SW);
+ /* FIXME: handle software interrupts */
+ }
+
+ if (intstatus & ADMHCD_INT_TD) {
+ struct admhcd_ed *ed, *head;
+
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_TD);
+
+ head = (struct admhcd_ed *)admhcd_reg_get(ahcd, ADMHCD_REG_HOSTHEAD);
+ ed = head;
+ if (ed) do {
+ /* Is it a finished TD? */
+ if (ed->urb && !(ed->cur->control & ADMHCD_TD_OWN)) {
+ struct admhcd_td *td;
+ int error;
+
+ td = ed->cur;
+ error = (td->control & ADMHCD_TD_ERRMASK) >>
+ ADMHCD_TD_ERRSHIFT;
+ ed->urb->status = admhcd_td_err[error];
+ admhcd_td_free(ed, ed->urb);
+ // Calculate real length!!!
+ ed->urb->actual_length = ed->urb->transfer_buffer_length;
+ ed->urb->hcpriv = NULL;
+ usb_hcd_giveback_urb(hcd, ed->urb);
+ ed->urb = NULL;
+ }
+ admhcd_ed_start(ahcd, ed);
+ ed = ED(ed->next);
+ } while (ed != head);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int admhcd_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
+ struct urb *urb, gfp_t mem_flags)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ struct admhcd_ed *ed;
+ struct admhcd_td *td;
+ int size = 0, i, zero = 0, ret = 0;
+ unsigned int pipe = urb->pipe, toggle = 0;
+ dma_addr_t data = (dma_addr_t)urb->transfer_buffer;
+ int data_len = urb->transfer_buffer_length;
+
+ ed = admhcd_get_ed(ahcd, ep, urb);
+ if (!ed)
+ return -ENOMEM;
+
+ switch(usb_pipetype(pipe)) {
+ case PIPE_CONTROL:
+ size = 2;
+ case PIPE_INTERRUPT:
+ case PIPE_BULK:
+ default:
+ size += urb->transfer_buffer_length / 4096;
+ if (urb->transfer_buffer_length % 4096)
+ size++;
+ if (size == 0)
+ size++;
+ else if (urb->transfer_flags & URB_ZERO_PACKET &&
+ !(urb->transfer_buffer_length %
+ usb_maxpacket(urb->dev, pipe, usb_pipeout(pipe)))) {
+ size++;
+ zero = 1;
+ }
+ break;
+ case PIPE_ISOCHRONOUS:
+ size = urb->number_of_packets;
+ break;
+ }
+
+ admhcd_lock(ahcd);
+ /* Remember the first td */
+ td = admhcd_td_alloc(ed, urb);
+ if (!td) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ /* Allocate additionall tds first */
+ for (i = 1; i < size; i++) {
+ if (admhcd_td_alloc(ed, urb) == NULL) {
+ admhcd_td_free(ed, urb);
+ ret = -ENOMEM;
+ goto out;
+ }
+ }
+
+ if (usb_gettoggle(urb->dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)))
+ toggle = ADMHCD_TD_TOGGLE;
+ else {
+ toggle = ADMHCD_TD_DATA0;
+ usb_settoggle(urb->dev, usb_pipeendpoint(pipe),
+ usb_pipeout(pipe), 1);
+ }
+
+ switch(usb_pipetype(pipe)) {
+ case PIPE_CONTROL:
+ td = admhcd_td_fill(ADMHCD_TD_SETUP | ADMHCD_TD_DATA0,
+ td, (dma_addr_t)urb->setup_packet, 8);
+ while (data_len > 0) {
+ td = admhcd_td_fill(ADMHCD_TD_DATA1
+ | ADMHCD_TD_R |
+ (usb_pipeout(pipe) ?
+ ADMHCD_TD_OUT : ADMHCD_TD_IN), td,
+ data, data_len % 4097);
+ data_len -= 4096;
+ }
+ admhcd_td_fill(ADMHCD_TD_DATA1 | (usb_pipeout(pipe) ?
+ ADMHCD_TD_IN : ADMHCD_TD_OUT), td,
+ data, 0);
+ break;
+ case PIPE_INTERRUPT:
+ case PIPE_BULK:
+ //info ok for interrupt?
+ i = 0;
+ while(data_len > 4096) {
+ td = admhcd_td_fill((usb_pipeout(pipe) ?
+ ADMHCD_TD_OUT :
+ ADMHCD_TD_IN | ADMHCD_TD_R) |
+ (i ? ADMHCD_TD_TOGGLE : toggle), td,
+ data, 4096);
+ data += 4096;
+ data_len -= 4096;
+ i++;
+ }
+ td = admhcd_td_fill((usb_pipeout(pipe) ?
+ ADMHCD_TD_OUT : ADMHCD_TD_IN) |
+ (i ? ADMHCD_TD_TOGGLE : toggle), td, data, data_len);
+ i++;
+ if (zero)
+ admhcd_td_fill((usb_pipeout(pipe) ?
+ ADMHCD_TD_OUT : ADMHCD_TD_IN) |
+ (i ? ADMHCD_TD_TOGGLE : toggle), td, 0, 0);
+ break;
+ case PIPE_ISOCHRONOUS:
+ for (i = 0; i < urb->number_of_packets; i++) {
+ td = admhcd_td_fill(ADMHCD_TD_ISO |
+ ((urb->start_frame + i) & 0xffff), td,
+ data + urb->iso_frame_desc[i].offset,
+ urb->iso_frame_desc[i].length);
+ }
+ break;
+ }
+ urb->hcpriv = ed;
+ admhcd_ed_start(ahcd, ed);
+out:
+ admhcd_unlock(ahcd);
+ return ret;
+}
+
+static int admhcd_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ struct admhcd_ed *ed;
+
+ admhcd_lock(ahcd);
+
+ ed = urb->hcpriv;
+ if (ed && ed->urb != urb)
+ admhcd_td_free(ed, urb);
+
+ admhcd_unlock(ahcd);
+ return 0;
+}
+
+static void admhcd_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ struct admhcd_ed *ed, *edt, *head;
+
+ admhcd_lock(ahcd);
+
+ head = (struct admhcd_ed *)admhcd_reg_get(ahcd, ADMHCD_REG_HOSTHEAD);
+ if (!head)
+ goto out;
+ for (ed = head; ED(ed->next) != head; ed = ED(ed->next))
+ if (ed->ep == ep)
+ break;
+ if (ed->ep != ep)
+ goto out;
+ while (ed->cur)
+ admhcd_td_free(ed, ed->cur->urb);
+ if (head == ed) {
+ if (ED(ed->next) == ed) {
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, 0);
+ ahcd->dma_en = 0;
+ goto out_free;
+ }
+ head = ED(ed->next);
+ for (edt = head; ED(edt->next) != head; edt = ED(edt->next));
+ edt->next = ED(ed->next);
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, (u32)ed->next);
+ goto out_free;
+ }
+ for (edt = head; edt->next != ed; edt = edt->next);
+ edt->next = ed->next;
+
+out_free:
+ kfree(ed->real);
+out:
+ admhcd_unlock(ahcd);
+}
+
+static int admhcd_get_frame_number(struct usb_hcd *hcd)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+
+ return admhcd_reg_get(ahcd, ADMHCD_REG_FMNUMBER) & 0x0000ffff;
+}
+
+static int admhcd_hub_status_data(struct usb_hcd *hcd, char *buf)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ int port;
+
+ *buf = 0;
+ for (port = 0; port < ADMHCD_NUMPORTS; port++) {
+ if (admhcd_reg_get(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4) &
+ (ADMHCD_CSC | ADMHCD_PESC | ADMHCD_PSSC | ADMHCD_OCIC |
+ ADMHCD_PRSC))
+ *buf |= (1 << (port + 1));
+ }
+ return !!*buf;
+}
+
+static __u8 root_hub_hub_des[] = {
+ 0x09, /* __u8 bLength; */
+ 0x29, /* __u8 bDescriptorType; Hub-descriptor */
+ 0x02, /* __u8 bNbrPorts; */
+ 0x0a, 0x00, /* __u16 wHubCharacteristics; */
+ 0x01, /* __u8 bPwrOn2pwrGood; 2ms */
+ 0x00, /* __u8 bHubContrCurrent; 0mA */
+ 0x00, /* __u8 DeviceRemovable; */
+ 0xff, /* __u8 PortPwrCtrlMask; */
+};
+
+static int admhcd_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ int retval = 0, len;
+ unsigned int port = wIndex -1;
+
+ switch (typeReq) {
+
+ case GetHubStatus:
+ *(__le32 *)buf = cpu_to_le32(0);
+ break;
+ case GetPortStatus:
+ if (port >= ADMHCD_NUMPORTS)
+ goto err;
+ *(__le32 *)buf = cpu_to_le32(
+ admhcd_reg_get(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4));
+ break;
+ case SetHubFeature: /* We don't implement these */
+ case ClearHubFeature:
+ switch (wValue) {
+ case C_HUB_OVER_CURRENT:
+ case C_HUB_LOCAL_POWER:
+ break;
+ default:
+ goto err;
+ }
+ case SetPortFeature:
+ if (port >= ADMHCD_NUMPORTS)
+ goto err;
+
+ switch (wValue) {
+ case USB_PORT_FEAT_SUSPEND:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PSS);
+ break;
+ case USB_PORT_FEAT_RESET:
+ if (admhcd_reg_get(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4)
+ & ADMHCD_CCS) {
+ admhcd_reg_set(ahcd,
+ ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PRS | ADMHCD_CSC);
+ mdelay(50);
+ admhcd_reg_set(ahcd,
+ ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PES | ADMHCD_CSC);
+ }
+ break;
+ case USB_PORT_FEAT_POWER:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PPS);
+ break;
+ default:
+ goto err;
+ }
+ break;
+ case ClearPortFeature:
+ if (port >= ADMHCD_NUMPORTS)
+ goto err;
+
+ switch (wValue) {
+ case USB_PORT_FEAT_ENABLE:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_CCS);
+ break;
+ case USB_PORT_FEAT_C_ENABLE:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PESC);
+ break;
+ case USB_PORT_FEAT_SUSPEND:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_POCI);
+ break;
+ case USB_PORT_FEAT_C_SUSPEND:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PSSC);
+ case USB_PORT_FEAT_POWER:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_LSDA);
+ break;
+ case USB_PORT_FEAT_C_CONNECTION:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_CSC);
+ break;
+ case USB_PORT_FEAT_C_OVER_CURRENT:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_OCIC);
+ break;
+ case USB_PORT_FEAT_C_RESET:
+ admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+ ADMHCD_PRSC);
+ break;
+ default:
+ goto err;
+ }
+ break;
+ case GetHubDescriptor:
+ len = min_t(unsigned int, sizeof(root_hub_hub_des), wLength);
+ memcpy(buf, root_hub_hub_des, len);
+ break;
+ default:
+err:
+ retval = -EPIPE;
+ }
+
+ return retval;
+}
+
+static int admhcd_start(struct usb_hcd *hcd)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ unsigned long flags;
+
+ spin_lock_irqsave(&ahcd->lock, flags);
+
+ /* Initialise the HCD registers */
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, 0);
+ mdelay(10);
+
+ admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_SW_RESET);
+
+ while (admhcd_reg_get(ahcd, ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET) {
+ printk(KERN_WARNING PFX "waiting for reset to complete\n");
+ mdelay(1);
+ }
+
+ //hcd->uses_new_polling = 1;
+
+ /* Enable USB host mode */
+ admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_HOST_EN);
+
+ /* Set host specific settings */
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, 0x00000000);
+ admhcd_reg_set(ahcd, ADMHCD_REG_FMINTERVAL, 0x20002edf);
+ admhcd_reg_set(ahcd, ADMHCD_REG_LSTHRESH, 0x628);
+
+ /* Set interrupts */
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, ADMHCD_INT_ACT |
+ ADMHCD_INT_FATAL | ADMHCD_INT_SW | ADMHCD_INT_TD);
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_ACT |
+ ADMHCD_INT_FATAL | ADMHCD_INT_SW | ADMHCD_INT_TD);
+
+ /* Power on all ports */
+ admhcd_reg_set(ahcd, ADMHCD_REG_RHDESCR, ADMHCD_NPS | ADMHCD_LPSC);
+
+ /* HCD is now operationnal */
+ admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
+
+ hcd->state = HC_STATE_RUNNING;
+
+ spin_unlock_irqrestore(&ahcd->lock, flags);
+
+ return 0;
+}
+
+static int admhcd_sw_reset(struct admhcd *ahcd)
+{
+ int retries = 15;
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&ahcd->lock, flags);
+
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, 0);
+ mdelay(10);
+
+ admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_SW_RESET);
+
+ while (--retries) {
+ mdelay(1);
+ if (!(admhcd_reg_get(ahcd, ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET))
+ break;
+ }
+ if (!retries) {
+ printk(KERN_WARNING "%s: software reset timeout\n", hcd_name);
+ ret = -ETIME;
+ }
+ spin_unlock_irqrestore(&ahcd->lock, flags);
+ return ret;
+}
+
+static int admhcd_reset(struct usb_hcd *hcd)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ u32 state = 0;
+ int ret, timeout = 15; /* ms */
+ unsigned long t;
+
+ ret = admhcd_sw_reset(ahcd);
+ if (ret)
+ return ret;
+
+ t = jiffies + msecs_to_jiffies(timeout);
+ do {
+ spin_lock_irq(&ahcd->lock);
+ state = admhcd_reg_get(ahcd, ADMHCD_REG_HOSTCONTROL);
+ spin_unlock_irq(&ahcd->lock);
+ state &= ADMHCD_STATE_MASK;
+ if (state == ADMHCD_STATE_RST)
+ break;
+ msleep(4);
+ } while (time_before_eq(jiffies, t));
+
+ if (state != ADMHCD_STATE_RST) {
+ printk(KERN_WARNING "%s: device not ready after %dms\n",
+ hcd_name, timeout);
+ ret = -ENODEV;
+ }
+
+ return ret;
+}
+
+static void admhcd_stop(struct usb_hcd *hcd)
+{
+ struct admhcd *ahcd = hcd_to_admhcd(hcd);
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&ahcd->lock, flags);
+ admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, 0);
+
+ /* Set global control of power for ports */
+ val = admhcd_reg_get(ahcd, ADMHCD_REG_RHDESCR);
+ val &= (~ADMHCD_PSM | ADMHCD_LPS);
+ admhcd_reg_set(ahcd, ADMHCD_REG_RHDESCR, val);
+
+ spin_unlock_irqrestore(&ahcd->lock, flags);
+
+ /* Ask for software reset */
+ admhcd_sw_reset(ahcd);
+}
+
+
+static struct hc_driver adm5120_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "ADM5120 HCD",
+ .hcd_priv_size = sizeof(struct admhcd),
+ .irq = admhcd_irq,
+ .flags = HCD_USB11,
+ .urb_enqueue = admhcd_urb_enqueue,
+ .urb_dequeue = admhcd_urb_dequeue,
+ .endpoint_disable = admhcd_endpoint_disable,
+ .get_frame_number = admhcd_get_frame_number,
+ .hub_status_data = admhcd_hub_status_data,
+ .hub_control = admhcd_hub_control,
+ .start = admhcd_start,
+ .stop = admhcd_stop,
+ .reset = admhcd_reset,
+};
+
+#define resource_len(r) (((r)->end - (r)->start) + 1)
+
+static int __init adm5120hcd_probe(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd;
+ struct admhcd *ahcd;
+ struct resource *data;
+ void __iomem *data_reg;
+
+ int err = 0, irq;
+
+ if (pdev->num_resources < 2) {
+ printk(KERN_WARNING PFX "not enough resources\n");
+ err = -ENODEV;
+ goto out;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ data = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ if (pdev->dev.dma_mask) {
+ printk(KERN_DEBUG PFX "no we won't dma\n");
+ return -EINVAL;
+ }
+
+ if (!data || irq < 0) {
+ printk(KERN_DEBUG PFX "either IRQ or data resource is invalid\n");
+ err = -ENODEV;
+ goto out;
+ }
+
+ if (!request_mem_region(data->start, resource_len(data), hcd_name)) {
+ printk(KERN_DEBUG PFX "cannot request memory regions for the data resource\n");
+ err = -EBUSY;
+ goto out;
+ }
+
+ data_reg = ioremap(data->start, resource_len(data));
+ if (data_reg == NULL) {
+ printk(KERN_DEBUG PFX "unable to ioremap\n");
+ err = -ENOMEM;
+ goto out_mem;
+ }
+
+ hcd = usb_create_hcd(&adm5120_hc_driver, &pdev->dev, pdev->dev.bus_id);
+ if (!hcd) {
+ printk(KERN_DEBUG PFX "unable to create the hcd\n");
+ err = -ENOMEM;
+ goto out_unmap;
+ }
+
+ hcd->rsrc_start = data->start;
+ hcd->rsrc_len = resource_len(data);
+ hcd->regs = data_reg;
+
+ ahcd = hcd_to_admhcd(hcd);
+ ahcd->base = (u32)data_reg;
+
+ spin_lock_init(&ahcd->lock);
+ INIT_LIST_HEAD(&ahcd->async);
+
+ hcd->product_desc = "ADM5120 HCD";
+
+ err = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+ if (err) {
+ printk(KERN_DEBUG PFX "unable to add hcd\n");
+ goto out_dev;
+ }
+
+ return 0;
+
+out_dev:
+ usb_put_hcd(hcd);
+out_unmap:
+ iounmap(data_reg);
+out_mem:
+ release_mem_region(data->start, resource_len(data));
+out:
+ return err;
+}
+
+#ifdef CONFIG_PM
+static int adm5120hcd_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ pdev->dev.power.power_state = state;
+ mdelay(1);
+ return 0;
+}
+
+static int adm5120hcd_resume(struct platform_device *pdev, pm_message_t state)
+{
+ pdev->dev.power.power_state = PMSG_ON;
+ mdelay(1);
+ return 0;
+}
+#else
+#define adm5120hcd_suspend NULL
+#define adm5120hcd_resume NULL
+#endif
+
+static int __init_or_module adm5120hcd_remove(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct admhcd *ahcd;
+
+ if (!hcd)
+ return 0;
+ ahcd = hcd_to_admhcd(hcd);
+ usb_remove_hcd(hcd);
+
+ usb_put_hcd(hcd);
+ return 0;
+}
+
+static struct platform_driver adm5120hcd_driver = {
+ .probe = adm5120hcd_probe,
+ .remove = adm5120hcd_remove,
+ .suspend = adm5120hcd_suspend,
+ .remove = adm5120hcd_resume,
+ .driver = {
+ .name = (char *)hcd_name,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init adm5120hcd_init(void)
+{
+ int ret;
+
+ if (usb_disabled()) {
+ printk(KERN_DEBUG PFX "USB support is disabled\n");
+ return -ENODEV;
+ }
+
+ if (mips_machgroup != MACH_GROUP_ADM5120) {
+ printk(KERN_DEBUG PFX "unsupported machine group\n");
+ return -ENODEV;
+ }
+
+ ret = platform_driver_register(&adm5120hcd_driver);
+ if (ret == 0)
+ printk(KERN_INFO PFX "registered\n");
+
+ return ret;
+}
+
+static void __exit adm5120hcd_exit(void)
+{
+ platform_driver_unregister(&adm5120hcd_driver);
+ printk(KERN_INFO PFX "driver unregistered\n");
+}
+
+module_init(adm5120hcd_init);
+module_exit(adm5120hcd_exit);