mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2025-04-21 12:27:27 +03:00
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
361
target/linux/adm5120/files/drivers/leds/leds-adm5120.c
Normal file
361
target/linux/adm5120/files/drivers/leds/leds-adm5120.c
Normal file
@@ -0,0 +1,361 @@
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/*
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* $Id$
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||||
*
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* ADM5120 GPIO LED devices
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*
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* Copyright (C) 2007 OpenWrt.org
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
|
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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||||
*
|
||||
* 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,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/err.h>
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#include <linux/gpio_leds.h>
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#include <asm/bootinfo.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <asm/mach-adm5120/adm5120_info.h>
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#define NUM_LEDS_MAX 23
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#define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
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struct mach_data {
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unsigned long machtype;
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unsigned count;
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struct gpio_led_platform_data *data;
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};
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struct adm5120_leddev {
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struct platform_device pdev;
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struct gpio_led_platform_data pdata;
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};
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static int led_count = 0;
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static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
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#define LED_ARRAY(n) \
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static struct gpio_led_platform_data \
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n ## _leds [] __initdata =
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#define LED_DATA(n,t,g,off,on) { \
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.name = (n), \
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.trigger = (t), \
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.gpio = (g), \
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.value_off = (off), \
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.value_on = (on) \
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}
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#define LED_STD(g,n,t) LED_DATA((n),(t),(g), 0, 1)
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#define LED_INV(g,n,t) LED_DATA((n),(t),(g), 1, 0)
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/*
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* Compex boards
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*/
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#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
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LED_ARRAY(np27g) { /* FIXME: untested */
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LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL ),
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LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "diag", NULL ),
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};
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#endif
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#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
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LED_ARRAY(np28g) { /* FIXME: untested */
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LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "wan", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "usb3", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "usb4", NULL ),
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LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
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LED_STD(ADM5120_GPIO_xxxx, "diag", NULL ),
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};
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#endif
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LED_ARRAY(wp54g) {
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LED_INV(ADM5120_GPIO_PIN2, "diag", NULL ),
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LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL ),
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LED_INV(ADM5120_GPIO_PIN7, "wan", NULL ),
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LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL ),
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LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL ),
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};
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/*
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* Edimax boards
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*/
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LED_ARRAY(br6104k) {
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LED_STD(ADM5120_GPIO_PIN0, "power", NULL ),
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LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL ),
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LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL ),
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LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL ),
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LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL ),
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LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL ),
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LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL ),
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LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL ),
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LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL ),
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LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL ),
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LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL ),
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};
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/*
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* Mikrotik boards
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*/
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#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
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LED_ARRAY(rb100) { /* FIXME: untested */
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LED_STD(ADM5120_GPIO_PIN6, "power", NULL ),
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LED_STD(ADM5120_GPIO_PIN3, "user", NULL ),
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};
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#endif
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LED_ARRAY(rb133) {
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LED_STD(ADM5120_GPIO_PIN6, "power", NULL ),
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LED_STD(ADM5120_GPIO_PIN5, "user", NULL ),
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};
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/*
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* ZyXEL boards
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*/
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#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
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LED_ARRAY(p334) { /* FIXME: untested */
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LED_INV(ADM5120_GPIO_xxxx, "power", NULL ),
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LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL ),
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LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL ),
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LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL ),
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LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL ),
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LED_INV(ADM5120_GPIO_xxxx, "wan", NULL ),
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};
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#endif
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LED_ARRAY(p334wt) {
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LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
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LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL ),
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LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL ),
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LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL ),
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LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL ),
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LED_INV(ADM5120_GPIO_P4L0, "wan", NULL ),
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LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL ),
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LED_INV(ADM5120_GPIO_P2L2, "otist", NULL ),
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LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL ),
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};
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#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
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LED_ARRAY(p335) { /* FIXME: untested */
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LED_INV(ADM5120_GPIO_PIN2, "power", NULL ),
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LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL ),
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LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL ),
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LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL ),
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LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL ),
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LED_INV(ADM5120_GPIO_P4L0, "wan", NULL ),
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LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL ),
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LED_INV(ADM5120_GPIO_P2L2, "otist", NULL ),
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LED_INV(ADM5120_GPIO_xxxx, "usb", NULL ),
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};
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#endif
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/*
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* Generic board
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*/
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LED_ARRAY(generic) {
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#if defined(CONFIG_LEDS_ADM5120_DIAG)
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LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL ),
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LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL ),
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LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL ),
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LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL ),
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LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL ),
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LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL ),
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LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL ),
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LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL ),
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LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL ),
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LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL ),
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LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL ),
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LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL ),
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LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL ),
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LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL ),
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LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL ),
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||||
LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL ),
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LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL ),
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LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL ),
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LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL ),
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LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL ),
|
||||
LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL ),
|
||||
LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL ),
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||||
LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL ),
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||||
#endif
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||||
};
|
||||
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||||
#define MACH_DATA(m, n) { \
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.machtype = (m), \
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||||
.count = ARRAY_SIZE(n ## _leds), \
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||||
.data = n ## _leds \
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||||
}
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||||
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||||
static struct mach_data machines[] __initdata = {
|
||||
MACH_DATA(MACH_ADM5120_GENERIC, generic),
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||||
/* 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");
|
||||
|
||||
212
target/linux/adm5120/files/drivers/leds/leds-gpio.c
Executable file
212
target/linux/adm5120/files/drivers/leds/leds-gpio.c
Executable file
@@ -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");
|
||||
574
target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
Normal file
574
target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
Normal file
@@ -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);
|
||||
178
target/linux/adm5120/files/drivers/mtd/myloader.c
Normal file
178
target/linux/adm5120/files/drivers/mtd/myloader.c
Normal file
@@ -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");
|
||||
207
target/linux/adm5120/files/drivers/mtd/nand/rbmipsnand.c
Normal file
207
target/linux/adm5120/files/drivers/mtd/nand/rbmipsnand.c
Normal file
@@ -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");
|
||||
|
||||
625
target/linux/adm5120/files/drivers/net/adm5120sw.c
Normal file
625
target/linux/adm5120/files/drivers/net/adm5120sw.c
Normal file
@@ -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);
|
||||
114
target/linux/adm5120/files/drivers/net/adm5120sw.h
Normal file
114
target/linux/adm5120/files/drivers/net/adm5120sw.h
Normal file
@@ -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_ */
|
||||
520
target/linux/adm5120/files/drivers/serial/adm5120_uart.c
Normal file
520
target/linux/adm5120/files/drivers/serial/adm5120_uart.c
Normal file
@@ -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);
|
||||
996
target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
Normal file
996
target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
Normal file
@@ -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);
|
||||
Reference in New Issue
Block a user