diff options
Diffstat (limited to 'target/linux/adm5120/files')
10 files changed, 99 insertions, 849 deletions
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/reset.c b/target/linux/adm5120/files/arch/mips/adm5120/reset.c index b086f9a5bd..653d42c849 100644 --- a/target/linux/adm5120/files/arch/mips/adm5120/reset.c +++ b/target/linux/adm5120/files/arch/mips/adm5120/reset.c @@ -27,7 +27,6 @@ #include <linux/irq.h> #include <linux/io.h> -#include <asm/bootinfo.h> #include <asm/addrspace.h> #include <adm5120_info.h> @@ -50,7 +49,6 @@ void adm5120_halt(void) { local_irq_disable(); - printk(KERN_NOTICE "\n** You can safely turn off the power\n"); while (1) { if (cpu_wait) cpu_wait(); diff --git a/target/linux/adm5120/files/arch/mips/adm5120/setup.c b/target/linux/adm5120/files/arch/mips/adm5120/setup.c index 9046057f9f..418a342e81 100644 --- a/target/linux/adm5120/files/arch/mips/adm5120/setup.c +++ b/target/linux/adm5120/files/arch/mips/adm5120/setup.c @@ -23,7 +23,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <linux/version.h> #include <asm/reboot.h> #include <asm/time.h> @@ -60,11 +59,6 @@ void __init plat_mem_setup(void) adm5120_mem_init(); adm5120_report(); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) -extern void plat_time_init(void) __init; - board_time_init = plat_time_init; -#endif - _machine_restart = adm5120_restart; _machine_halt = adm5120_halt; pm_power_off = adm5120_halt; diff --git a/target/linux/adm5120/files/arch/mips/adm5120/time.c b/target/linux/adm5120/files/arch/mips/adm5120/time.c index 66eb1ce7df..63191d4938 100644 --- a/target/linux/adm5120/files/arch/mips/adm5120/time.c +++ b/target/linux/adm5120/files/arch/mips/adm5120/time.c @@ -21,7 +21,6 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/timex.h> -#include <linux/version.h> #include <asm/irq.h> #include <asm/cpu.h> @@ -34,13 +33,3 @@ void __init plat_time_init(void) { mips_hpt_frequency = adm5120_speed / 2; } - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) -void __init plat_timer_setup(struct irqaction *irq) -{ - clear_c0_status(ST0_BEV); - - /* Install ISR for CPU Counter interrupt */ - setup_irq(ADM5120_IRQ_COUNTER, irq); -} -#endif diff --git a/target/linux/adm5120/files/drivers/char/watchdog/adm5120_wdt.c b/target/linux/adm5120/files/drivers/char/watchdog/adm5120_wdt.c deleted file mode 100644 index cddb1721cf..0000000000 --- a/target/linux/adm5120/files/drivers/char/watchdog/adm5120_wdt.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * ADM5120_WDT 0.01: Infineon ADM5120 SoC watchdog driver - * Copyright (c) Ondrej Zajicek <santiago@crfreenet.org>, 2007 - * - * based on - * - * RC32434_WDT 0.01: IDT Interprise 79RC32434 watchdog driver - * - * 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. - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <linux/watchdog.h> - -#include <asm/bootinfo.h> - -#include <adm5120_info.h> -#include <adm5120_defs.h> -#include <adm5120_irq.h> -#include <adm5120_switch.h> - - -#define DEFAULT_TIMEOUT 15 /* (secs) Default is 15 seconds */ -#define MAX_TIMEOUT 327 -/* Max is 327 seconds, counter is 15-bit integer, step is 10 ms */ - -#define NAME "adm5120_wdt" -#define VERSION "0.1" - -static int expect_close = 0; -static int access = 0; -static unsigned int timeout = DEFAULT_TIMEOUT; - -static int nowayout = WATCHDOG_NOWAYOUT; -module_param(nowayout, int, 0); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -MODULE_LICENSE("GPL"); - - -static inline void wdt_set_timeout(void) -{ - u32 val = (1 << 31) | (((timeout * 100) & 0x7FFF) << 16); - SW_WRITE_REG(SWITCH_REG_WDOG0, val); -} - -/* - It looks like WDOG0-register-write don't modify counter, - but WDOG0-register-read resets counter. -*/ - -static inline void wdt_reset_counter(void) -{ - SW_READ_REG(SWITCH_REG_WDOG0); -} - -static inline void wdt_disable(void) -{ - SW_WRITE_REG(SWITCH_REG_WDOG0, 0x7FFF0000); -} - - - -static int wdt_open(struct inode *inode, struct file *file) -{ - /* Allow only one person to hold it open */ - if (access) - return -EBUSY; - - if (nowayout) { - __module_get(THIS_MODULE); - } - - /* Activate timer */ - wdt_reset_counter(); - wdt_set_timeout(); - printk(KERN_INFO NAME ": enabling watchdog timer\n"); - access = 1; - return 0; -} - -static int wdt_release(struct inode *inode, struct file *file) -{ - /* - * Shut off the timer. - * Lock it in if it's a module and we set nowayout - */ - if (expect_close && (nowayout == 0)) { - wdt_disable(); - printk(KERN_INFO NAME ": disabling watchdog timer\n"); - module_put(THIS_MODULE); - } else { - printk(KERN_CRIT NAME ": device closed unexpectedly. WDT will not stop!\n"); - } - access = 0; - return 0; -} - -static ssize_t wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) -{ - /* Refresh the timer. */ - if (len) { - if (!nowayout) { - size_t i; - - /* In case it was set long ago */ - expect_close = 0; - - for (i = 0; i != len; i++) { - char c; - if (get_user(c, data + i)) - return -EFAULT; - if (c == 'V') - expect_close = 1; - } - } - wdt_reset_counter(); - return len; - } - return 0; -} - -static int wdt_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - int new_timeout; - static struct watchdog_info ident = { - .options = WDIOF_SETTIMEOUT | - WDIOF_KEEPALIVEPING | - WDIOF_MAGICCLOSE, - .firmware_version = 0, - .identity = "ADM5120_WDT Watchdog", - }; - switch (cmd) { - default: - return -ENOTTY; - case WDIOC_GETSUPPORT: - if(copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident))) - return -EFAULT; - return 0; - case WDIOC_GETSTATUS: - case WDIOC_GETBOOTSTATUS: - return put_user(0,(int *)arg); - case WDIOC_KEEPALIVE: - wdt_reset_counter(); - return 0; - case WDIOC_SETTIMEOUT: - if (get_user(new_timeout, (int *)arg)) - return -EFAULT; - if (new_timeout < 1) - return -EINVAL; - if (new_timeout > MAX_TIMEOUT) - return -EINVAL; - timeout = new_timeout; - wdt_set_timeout(); - /* Fall */ - case WDIOC_GETTIMEOUT: - return put_user(timeout, (int *)arg); - } -} - -static struct file_operations wdt_fops = { - owner: THIS_MODULE, - llseek: no_llseek, - write: wdt_write, - ioctl: wdt_ioctl, - open: wdt_open, - release: wdt_release, -}; - -static struct miscdevice wdt_miscdev = { - minor: WATCHDOG_MINOR, - name: "watchdog", - fops: &wdt_fops, -}; - -static char banner[] __initdata = KERN_INFO NAME ": Watchdog Timer version " VERSION "\n"; - -static int __init watchdog_init(void) -{ - int ret; - - ret = misc_register(&wdt_miscdev); - - if (ret) - return ret; - - wdt_disable(); - printk(banner); - - return 0; -} - -static void __exit watchdog_exit(void) -{ - misc_deregister(&wdt_miscdev); -} - -module_init(watchdog_init); -module_exit(watchdog_exit); diff --git a/target/linux/adm5120/files/drivers/net/adm5120sw.c b/target/linux/adm5120/files/drivers/net/adm5120sw.c index ff933cf7cf..8f3610e907 100644 --- a/target/linux/adm5120/files/drivers/net/adm5120sw.c +++ b/target/linux/adm5120/files/drivers/net/adm5120sw.c @@ -93,8 +93,14 @@ /* ------------------------------------------------------------------------ */ struct adm5120_if_priv { + struct net_device *dev; + unsigned int vlan_no; unsigned int port_mask; + +#ifdef CONFIG_ADM5120_SWITCH_NAPI + struct napi_struct napi; +#endif }; struct dma_desc { @@ -333,7 +339,6 @@ static void sw_dump_regs(void) SW_DBG("rlda: %08X\n", t); } - /* ------------------------------------------------------------------------ */ static inline void adm5120_rx_dma_update(struct dma_desc *desc, @@ -495,9 +500,11 @@ static void adm5120_switch_tx(void) } #ifdef CONFIG_ADM5120_SWITCH_NAPI -static int adm5120_if_poll(struct net_device *dev, int *budget) +static int adm5120_if_poll(struct napi_struct *napi, int limit) { - int limit = min(dev->quota, *budget); + struct adm5120_if_priv *priv = container_of(napi, + struct adm5120_if_priv, napi); + struct net_device *dev = priv->dev; int done; u32 status; @@ -509,13 +516,10 @@ static int adm5120_if_poll(struct net_device *dev, int *budget) SW_DBG("%s: processing RX ring\n", dev->name); done = adm5120_switch_rx(limit); - *budget -= done; - dev->quota -= done; - status = sw_int_status() & SWITCH_INTS_POLL; if ((done < limit) && (!status)) { SW_DBG("disable polling mode for %s\n", dev->name); - netif_rx_complete(dev); + netif_rx_complete(dev, napi); sw_int_unmask(SWITCH_INTS_POLL); return 0; } @@ -541,10 +545,12 @@ static irqreturn_t adm5120_switch_irq(int irq, void *dev_id) if (status & SWITCH_INTS_POLL) { struct net_device *dev = dev_id; + struct adm5120_if_priv *priv = netdev_priv(dev); + sw_dump_intr_mask("poll ints", status); SW_DBG("enable polling mode for %s\n", dev->name); sw_int_mask(SWITCH_INTS_POLL); - netif_rx_schedule(dev); + netif_rx_schedule(dev, &priv->napi); } #else sw_int_ack(status); @@ -779,12 +785,31 @@ static void adm5120_switch_set_vlan_ports(unsigned int vlan, u32 ports) /* ------------------------------------------------------------------------ */ +#ifdef CONFIG_ADM5120_SWITCH_NAPI +static inline void adm5120_if_napi_enable(struct net_device *dev) +{ + struct adm5120_if_priv *priv = netdev_priv(dev); + napi_enable(&priv->napi); +} + +static inline void adm5120_if_napi_disable(struct net_device *dev) +{ + struct adm5120_if_priv *priv = netdev_priv(dev); + napi_disable(&priv->napi); +} +#else +static inline void adm5120_if_napi_enable(struct net_device *dev) {} +static inline void adm5120_if_napi_disable(struct net_device *dev) {} +#endif /* CONFIG_ADM5120_SWITCH_NAPI */ + static int adm5120_if_open(struct net_device *dev) { u32 t; int err; int i; + adm5120_if_napi_enable(dev); + err = request_irq(dev->irq, adm5120_switch_irq, (IRQF_SHARED | IRQF_DISABLED), dev->name, dev); if (err) { @@ -809,6 +834,7 @@ static int adm5120_if_open(struct net_device *dev) return 0; err: + adm5120_if_napi_disable(dev); return err; } @@ -818,6 +844,7 @@ static int adm5120_if_stop(struct net_device *dev) int i; netif_stop_queue(dev); + adm5120_if_napi_disable(dev); /* disable port if not assigned to other devices */ t = sw_read_reg(SWITCH_REG_PORT_CONF0); @@ -1001,6 +1028,9 @@ static struct net_device *adm5120_if_alloc(void) if (!dev) return NULL; + priv = netdev_priv(dev); + priv->dev = dev; + dev->irq = ADM5120_IRQ_SWITCH; dev->open = adm5120_if_open; dev->hard_start_xmit = adm5120_if_hard_start_xmit; @@ -1010,13 +1040,11 @@ static struct net_device *adm5120_if_alloc(void) dev->tx_timeout = adm5120_if_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; dev->set_mac_address = adm5120_if_set_mac_address; + #ifdef CONFIG_ADM5120_SWITCH_NAPI - dev->poll = adm5120_if_poll; - dev->weight = 64; + netif_napi_add(dev, &priv->napi, adm5120_if_poll, 64); #endif - SET_MODULE_OWNER(dev); - return dev; } diff --git a/target/linux/adm5120/files/drivers/serial/adm5120_uart.c b/target/linux/adm5120/files/drivers/serial/adm5120_uart.c deleted file mode 100644 index 83c5f72012..0000000000 --- a/target/linux/adm5120/files/drivers/serial/adm5120_uart.c +++ /dev/null @@ -1,520 +0,0 @@ -/* - * Serial driver for ADM5120 SoC - * - * Derived from drivers/serial/uart00.c - * Copyright 2001 Altera Corporation - * - * Some pieces are derived from the ADMtek 2.4 serial driver. - * Copyright (C) ADMtek Incorporated, 2003 - * daniell@admtek.com.tw - * Which again was derived from drivers/char/serial.c - * Copyright (C) Linus Torvalds et al. - * - * Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005 - */ - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/ioport.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/console.h> - -#include <asm/mach-adm5120/adm5120_defs.h> -#include <asm/mach-adm5120/adm5120_irq.h> - -#define ADM5120_UART_REG(base, reg) \ - (*(volatile u32 *)KSEG1ADDR((base)+(reg))) - -#define ADM5120_UARTCLK_FREQ 62500000 -#define ADM5120_UART_BAUDDIV(rate) ((unsigned long)(ADM5120_UARTCLK_FREQ/(16*(rate)) - 1)) - -#define ADM5120_UART_BAUD115200 ADM5120_UART_BAUDDIV(115200) - -#define ADM5120_UART_DATA 0x00 -#define ADM5120_UART_RS 0x04 -#define ADM5120_UART_LCR_H 0x08 -#define ADM5120_UART_LCR_M 0x0c -#define ADM5120_UART_LCR_L 0x10 -#define ADM5120_UART_CR 0x14 -#define ADM5120_UART_FR 0x18 -#define ADM5120_UART_IR 0x1c - -#define ADM5120_UART_FE 0x01 -#define ADM5120_UART_PE 0x02 -#define ADM5120_UART_BE 0x04 -#define ADM5120_UART_OE 0x08 -#define ADM5120_UART_ERR 0x0f -#define ADM5120_UART_FIFO_EN 0x10 -#define ADM5120_UART_EN 0x01 -#define ADM5120_UART_TIE 0x20 -#define ADM5120_UART_RIE 0x50 -#define ADM5120_UART_IE 0x78 -#define ADM5120_UART_CTS 0x01 -#define ADM5120_UART_DSR 0x02 -#define ADM5120_UART_DCD 0x04 -#define ADM5120_UART_TXFF 0x20 -#define ADM5120_UART_TXFE 0x80 -#define ADM5120_UART_RXFE 0x10 -#define ADM5120_UART_BRK 0x01 -#define ADM5120_UART_PEN 0x02 -#define ADM5120_UART_EPS 0x04 -#define ADM5120_UART_STP2 0x08 -#define ADM5120_UART_W5 0x00 -#define ADM5120_UART_W6 0x20 -#define ADM5120_UART_W7 0x40 -#define ADM5120_UART_W8 0x60 -#define ADM5120_UART_MIS 0x01 -#define ADM5120_UART_RIS 0x02 -#define ADM5120_UART_TIS 0x04 -#define ADM5120_UART_RTIS 0x08 - -static void adm5120ser_stop_tx(struct uart_port *port) -{ - ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_TIE; -} - -static void adm5120ser_irq_rx(struct uart_port *port) -{ - struct tty_struct *tty = port->info->tty; - unsigned int status, ch, rds, flg, ignored = 0; - - status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR); - while (!(status & ADM5120_UART_RXFE)) { - /* - * We need to read rds before reading the - * character from the fifo - */ - rds = ADM5120_UART_REG(port->iobase, ADM5120_UART_RS); - ch = ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA); - port->icount.rx++; - - if (tty->low_latency) - tty_flip_buffer_push(tty); - - flg = TTY_NORMAL; - - /* - * Note that the error handling code is - * out of the main execution path - */ - if (rds & ADM5120_UART_ERR) - goto handle_error; - if (uart_handle_sysrq_char(port, ch)) - goto ignore_char; - - error_return: - tty_insert_flip_char(tty, ch, flg); - - ignore_char: - status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR); - } - out: - tty_flip_buffer_push(tty); - return; - - handle_error: - ADM5120_UART_REG(port->iobase, ADM5120_UART_RS) = 0xff; - if (rds & ADM5120_UART_BE) { - port->icount.brk++; - if (uart_handle_break(port)) - goto ignore_char; - } else if (rds & ADM5120_UART_PE) - port->icount.parity++; - else if (rds & ADM5120_UART_FE) - port->icount.frame++; - if (rds & ADM5120_UART_OE) - port->icount.overrun++; - - if (rds & port->ignore_status_mask) { - if (++ignored > 100) - goto out; - goto ignore_char; - } - rds &= port->read_status_mask; - - if (rds & ADM5120_UART_BE) - flg = TTY_BREAK; - else if (rds & ADM5120_UART_PE) - flg = TTY_PARITY; - else if (rds & ADM5120_UART_FE) - flg = TTY_FRAME; - - if (rds & ADM5120_UART_OE) { - /* - * CHECK: does overrun affect the current character? - * ASSUMPTION: it does not. - */ - tty_insert_flip_char(tty, ch, flg); - ch = 0; - flg = TTY_OVERRUN; - } -#ifdef CONFIG_MAGIC_SYSRQ - port->sysrq = 0; -#endif - goto error_return; -} - -static void adm5120ser_irq_tx(struct uart_port *port) -{ - struct circ_buf *xmit = &port->info->xmit; - int count; - - if (port->x_char) { - ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA) = - port->x_char; - port->icount.tx++; - port->x_char = 0; - return; - } - if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { - adm5120ser_stop_tx(port); - return; - } - - count = port->fifosize >> 1; - do { - ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA) = - xmit->buf[xmit->tail]; - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - port->icount.tx++; - if (uart_circ_empty(xmit)) - break; - } while (--count > 0); - - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(port); - - if (uart_circ_empty(xmit)) - adm5120ser_stop_tx(port); -} - -static void adm5120ser_irq_modem(struct uart_port *port) -{ - unsigned int status; - - status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR); - - if (status & ADM5120_UART_DCD) - uart_handle_dcd_change(port, status & ADM5120_UART_DCD); - - if (status & ADM5120_UART_DSR) - port->icount.dsr++; - - if (status & ADM5120_UART_CTS) - uart_handle_cts_change(port, status & ADM5120_UART_CTS); - - wake_up_interruptible(&port->info->delta_msr_wait); -} - -static irqreturn_t adm5120ser_irq(int irq, void *dev_id) -{ - struct uart_port *port = dev_id; - unsigned long ir = ADM5120_UART_REG(port->iobase, ADM5120_UART_IR); - - if (ir & (ADM5120_UART_RIS | ADM5120_UART_RTIS)) - adm5120ser_irq_rx(port); - if (ir & ADM5120_UART_TIS) - adm5120ser_irq_tx(port); - if (ir & ADM5120_UART_MIS) { - adm5120ser_irq_modem(port); - ADM5120_UART_REG(port->iobase, ADM5120_UART_IR) = 0xff; - } - - return IRQ_HANDLED; -} - -static unsigned int adm5120ser_tx_empty(struct uart_port *port) -{ - unsigned int fr = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR); - return (fr & ADM5120_UART_TXFE) ? TIOCSER_TEMT : 0; -} - -static void adm5120ser_set_mctrl(struct uart_port *port, unsigned int mctrl) -{ -} - -static unsigned int adm5120ser_get_mctrl(struct uart_port *port) -{ - unsigned int result = 0; - unsigned int fr = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR); - - if (fr & ADM5120_UART_CTS) - result |= TIOCM_CTS; - if (fr & ADM5120_UART_DSR) - result |= TIOCM_DSR; - if (fr & ADM5120_UART_DCD) - result |= TIOCM_CAR; - return result; -} - -static void adm5120ser_start_tx(struct uart_port *port) -{ - ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) |= ADM5120_UART_TIE; -} - -static void adm5120ser_stop_rx(struct uart_port *port) -{ - ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_RIE; -} - -static void adm5120ser_enable_ms(struct uart_port *port) -{ -} - -static void adm5120ser_break_ctl(struct uart_port *port, int break_state) -{ - unsigned long flags; - unsigned long lcrh; - - spin_lock_irqsave(&port->lock, flags); - lcrh = ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H); - if (break_state == -1) - lcrh |= ADM5120_UART_BRK; - else - lcrh &= ~ADM5120_UART_BRK; - ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) = lcrh; - spin_unlock_irqrestore(&port->lock, flags); -} - -static int adm5120ser_startup(struct uart_port *port) -{ - int ret; - - ret = request_irq(port->irq, adm5120ser_irq, 0, "ADM5120 UART", port); - if (ret) { - printk(KERN_ERR "Couldn't get irq %d\n", port->irq); - return ret; - } - ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) |= - ADM5120_UART_FIFO_EN; - ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) |= - ADM5120_UART_EN | ADM5120_UART_IE; - return 0; -} - -static void adm5120ser_shutdown(struct uart_port *port) -{ - ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_IE; - free_irq(port->irq, port); -} - -static void adm5120ser_set_termios(struct uart_port *port, - struct ktermios *termios, struct ktermios *old) -{ - unsigned int baud, quot, lcrh; - unsigned long flags; - - termios->c_cflag |= CREAD; - - baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); - quot = uart_get_divisor(port, baud); - - lcrh = ADM5120_UART_FIFO_EN; - switch (termios->c_cflag & CSIZE) { - case CS5: - lcrh |= ADM5120_UART_W5; - break; - case CS6: - lcrh |= ADM5120_UART_W6; - break; - case CS7: - lcrh |= ADM5120_UART_W7; - break; - default: - lcrh |= ADM5120_UART_W8; - break; - } - if (termios->c_cflag & CSTOPB) - lcrh |= ADM5120_UART_STP2; - if (termios->c_cflag & PARENB) { - lcrh |= ADM5120_UART_PEN; - if (!(termios->c_cflag & PARODD)) - lcrh |= ADM5120_UART_EPS; - } - - spin_lock_irqsave(port->lock, flags); - - ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) = lcrh; - - /* - * Update the per-port timeout. - */ - uart_update_timeout(port, termios->c_cflag, baud); - - port->read_status_mask = ADM5120_UART_OE; - if (termios->c_iflag & INPCK) - port->read_status_mask |= ADM5120_UART_FE | ADM5120_UART_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) - port->read_status_mask |= ADM5120_UART_BE; - - /* - * Characters to ignore - */ - port->ignore_status_mask = 0; - if (termios->c_iflag & IGNPAR) - port->ignore_status_mask |= ADM5120_UART_FE | ADM5120_UART_PE; - if (termios->c_iflag & IGNBRK) { - port->ignore_status_mask |= ADM5120_UART_BE; - /* - * If we're ignoring parity and break indicators, - * ignore overruns to (for real raw support). - */ - if (termios->c_iflag & IGNPAR) - port->ignore_status_mask |= ADM5120_UART_OE; - } - - quot = ADM5120_UART_BAUD115200; - ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_L) = quot & 0xff; - ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_M) = quot >> 8; - - spin_unlock_irqrestore(&port->lock, flags); -} - -static const char *adm5120ser_type(struct uart_port *port) -{ - return port->type == PORT_ADM5120 ? "ADM5120" : NULL; -} - -static void adm5120ser_config_port(struct uart_port *port, int flags) -{ - if (flags & UART_CONFIG_TYPE) - port->type = PORT_ADM5120; -} - -static void adm5120ser_release_port(struct uart_port *port) -{ - release_mem_region(port->iobase, ADM5120_UART_SIZE); -} - -static int adm5120ser_request_port(struct uart_port *port) -{ - return request_mem_region(port->iobase, ADM5120_UART_SIZE, - "adm5120-uart") != NULL ? 0 : -EBUSY; -} - -static struct uart_ops adm5120ser_ops = { - .tx_empty = adm5120ser_tx_empty, - .set_mctrl = adm5120ser_set_mctrl, - .get_mctrl = adm5120ser_get_mctrl, - .stop_tx = adm5120ser_stop_tx, - .start_tx = adm5120ser_start_tx, - .stop_rx = adm5120ser_stop_rx, - .enable_ms = adm5120ser_enable_ms, - .break_ctl = adm5120ser_break_ctl, - .startup = adm5120ser_startup, - .shutdown = adm5120ser_shutdown, - .set_termios = adm5120ser_set_termios, - .type = adm5120ser_type, - .config_port = adm5120ser_config_port, - .release_port = adm5120ser_release_port, - .request_port = adm5120ser_request_port, -}; - -static void adm5120console_put(const char c) -{ - while ((ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_FR) & - ADM5120_UART_TXFF) != 0); - ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_DATA) = c; -} - -static void adm5120console_write(struct console *con, const char *s, - unsigned int count) -{ - while (count--) { - if (*s == '\n') - adm5120console_put('\r'); - adm5120console_put(*s); - s++; - } -} - -static int adm5120console_setup(struct console *con, char *options) -{ - /* Set to 115200 baud, 8N1 and enable FIFO */ - ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_LCR_L) = - ADM5120_UART_BAUD115200 & 0xff; - ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_LCR_M) = - ADM5120_UART_BAUD115200 >> 8; - ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_LCR_H) = - ADM5120_UART_W8 | ADM5120_UART_FIFO_EN; - /* Enable port */ - ADM5120_UART_REG(ADM5120_UART0_BASE, ADM5120_UART_CR) = - ADM5120_UART_EN; - - return 0; -} - -static struct uart_driver adm5120ser_reg; - -static struct console adm5120_serconsole = { - .name = "ttyS", - .write = adm5120console_write, - .device = uart_console_device, - .setup = adm5120console_setup, - .flags = CON_PRINTBUFFER, - .cflag = B115200 | CS8 | CREAD, - .index = 0, - .data = &adm5120ser_reg, -}; - -static int __init adm5120console_init(void) -{ - register_console(&adm5120_serconsole); - return 0; -} - -console_initcall(adm5120console_init); - - -static struct uart_port adm5120ser_ports[] = { - { - .iobase = ADM5120_UART0_BASE, - .irq = ADM5120_IRQ_UART0, - .uartclk = ADM5120_UARTCLK_FREQ, - .fifosize = 16, - .ops = &adm5120ser_ops, - .line = 0, - .flags = ASYNC_BOOT_AUTOCONF, - }, -#if (CONFIG_ADM5120_NR_UARTS > 1) - { - .iobase = ADM5120_UART1_BASE, - .irq = ADM5120_IRQ_UART1, - .uartclk = ADM5120_UARTCLK_FREQ, - .fifosize = 16, - .ops = &adm5120ser_ops, - .line = 1, - .flags = ASYNC_BOOT_AUTOCONF, - }, -#endif -}; - -static struct uart_driver adm5120ser_reg = { - .owner = THIS_MODULE, - .driver_name = "ttyS", - .dev_name = "ttyS", - .major = TTY_MAJOR, - .minor = 64, - .nr = CONFIG_ADM5120_NR_UARTS, - .cons = &adm5120_serconsole, -}; - -static int __init adm5120ser_init(void) -{ - int ret, i; - - ret = uart_register_driver(&adm5120ser_reg); - if (!ret) { - for (i = 0; i < CONFIG_ADM5120_NR_UARTS; i++) - uart_add_one_port(&adm5120ser_reg, &adm5120ser_ports[i]); - } - - return ret; -} - -__initcall(adm5120ser_init); diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c index 1027e5c8cd..3eec94a381 100644 --- a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c +++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c @@ -82,7 +82,7 @@ static inline char *td_togglestring(u32 info) * small: 0) header + data packets 1) just header */ static void __attribute__((unused)) -urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small) +urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small, int status) { unsigned int pipe = urb->pipe; @@ -92,7 +92,7 @@ urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small) } #ifndef ADMHC_VERBOSE_DEBUG - if (urb->status != 0) + if (status != 0) #endif admhc_dbg(ahcd, "URB-%s %p dev=%d ep=%d%s-%s flags=%x len=%d/%d " "stat=%d\n", @@ -105,7 +105,7 @@ urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small) urb->transfer_flags, urb->actual_length, urb->transfer_buffer_length, - urb->status); + status); #ifdef ADMHC_VERBOSE_DEBUG if (!small) { @@ -125,7 +125,7 @@ urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small) urb->transfer_buffer_length: urb->actual_length; for (i = 0; i < 16 && i < len; i++) printk(" %02x", ((__u8 *)urb->transfer_buffer)[i]); - printk("%s stat:%d\n", i < len? "...": "", urb->status); + printk("%s stat:%d\n", i < len? "...": "", status); } } #endif /* ADMHC_VERBOSE_DEBUG */ diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c index 2d2604aa78..78b1aef134 100644 --- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c +++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c @@ -45,7 +45,7 @@ #include "../core/hcd.h" #include "../core/hub.h" -#define DRIVER_VERSION "0.16.3" +#define DRIVER_VERSION "0.24.0" #define DRIVER_AUTHOR "Gabor Juhos <juhosg at openwrt.org>" #define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver" @@ -83,8 +83,8 @@ static void admhc_stop(struct usb_hcd *hcd); /* * queue up an urb for anything except the root hub */ -static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep, - struct urb *urb, gfp_t mem_flags) +static int admhc_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags) { struct admhcd *ahcd = hcd_to_admhcd(hcd); struct ed *ed; @@ -96,12 +96,12 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep, #ifdef ADMHC_VERBOSE_DEBUG spin_lock_irqsave(&ahcd->lock, flags); - urb_print(ahcd, urb, "ENQEUE", usb_pipein(pipe)); + urb_print(ahcd, urb, "ENQEUE", usb_pipein(pipe), -EINPROGRESS); spin_unlock_irqrestore(&ahcd->lock, flags); #endif /* every endpoint has an ed, locate and maybe (re)initialize it */ - ed = ed_get(ahcd, ep, urb->dev, pipe, urb->interval); + ed = ed_get(ahcd, urb->ep, urb->dev, pipe, urb->interval); if (!ed) return -ENOMEM; @@ -161,22 +161,17 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep, goto fail; } - /* in case of unlink-during-submit */ - spin_lock(&urb->lock); - if (urb->status != -EINPROGRESS) { - spin_unlock(&urb->lock); - urb->hcpriv = urb_priv; - finish_urb(ahcd, urb); - ret = 0; + ret = usb_hcd_link_urb_to_ep(hcd, urb); + if (ret) goto fail; - } /* schedule the ed if needed */ if (ed->state == ED_IDLE) { ret = ed_schedule(ahcd, ed); - if (ret < 0) - goto fail0; - + if (ret < 0) { + usb_hcd_unlink_urb_from_ep(hcd, urb); + goto fail; + } if (ed->type == PIPE_ISOCHRONOUS) { u16 frame = admhc_frame_no(ahcd); @@ -204,8 +199,6 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep, admhc_dump_ed(ahcd, "admhc_urb_enqueue", urb_priv->ed, 1); #endif -fail0: - spin_unlock(&urb->lock); fail: if (ret) urb_priv_free(ahcd, urb_priv); @@ -215,23 +208,28 @@ fail: } /* - * decouple the URB from the HC queues (TDs, urb_priv); it's - * already marked using urb->status. reporting is always done + * decouple the URB from the HC queues (TDs, urb_priv); + * reporting is always done * asynchronously, and we might be dealing with an urb that's * partially transferred, or an ED with other urbs being unlinked. */ -static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb) +static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, + int status) { struct admhcd *ahcd = hcd_to_admhcd(hcd); unsigned long flags; + int ret; spin_lock_irqsave(&ahcd->lock, flags); #ifdef ADMHC_VERBOSE_DEBUG - urb_print(ahcd, urb, "DEQUEUE", 1); + urb_print(ahcd, urb, "DEQUEUE", 1, status); #endif - - if (HC_IS_RUNNING(hcd->state)) { + ret = usb_hcd_check_unlink_urb(hcd, urb, status); + if (ret) { + /* Do nothing */ + ; + } else if (HC_IS_RUNNING(hcd->state)) { struct urb_priv *urb_priv; /* Unless an IRQ completed the unlink while it was being @@ -249,11 +247,11 @@ static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb) * any more ... just clean up every urb's memory. */ if (urb->hcpriv) - finish_urb(ahcd, urb); + finish_urb(ahcd, urb, status); } spin_unlock_irqrestore(&ahcd->lock, flags); - return 0; + return ret; } /*-------------------------------------------------------------------------*/ diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c index ac7bf6cfcc..c88e44829f 100644 --- a/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c +++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c @@ -383,9 +383,8 @@ static int admhc_restart(struct admhcd *ahcd) ed, ed->state); } - spin_lock(&urb->lock); - urb->status = -ESHUTDOWN; - spin_unlock(&urb->lock); + if (!urb->unlinked) + urb->unlinked = -ESHUTDOWN; } finish_unlinks(ahcd, 0); spin_unlock_irq(&ahcd->lock); diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c index 52bd1e4e82..632140b75e 100644 --- a/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c +++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c @@ -23,31 +23,14 @@ * PRECONDITION: ahcd lock held, irqs blocked. */ static void -finish_urb(struct admhcd *ahcd, struct urb *urb) +finish_urb(struct admhcd *ahcd, struct urb *urb, int status) __releases(ahcd->lock) __acquires(ahcd->lock) { urb_priv_free(ahcd, urb->hcpriv); - urb->hcpriv = NULL; - spin_lock(&urb->lock); - if (likely(urb->status == -EINPROGRESS)) - urb->status = 0; - - /* report short control reads right even though the data TD always - * has TD_R set. (much simpler, but creates the 1-td limit.) - */ - if (unlikely(urb->transfer_flags & URB_SHORT_NOT_OK) - && unlikely(usb_pipecontrol(urb->pipe)) - && urb->actual_length < urb->transfer_buffer_length - && usb_pipein(urb->pipe) - && urb->status == 0) { - urb->status = -EREMOTEIO; -#ifdef ADMHC_VERBOSE_DEBUG - urb_print(ahcd, urb, "SHORT", usb_pipeout(urb->pipe)); -#endif - } - spin_unlock(&urb->lock); + if (likely(status == -EINPROGRESS)) + status = 0; switch (usb_pipetype(urb->pipe)) { case PIPE_ISOCHRONOUS: @@ -59,12 +42,13 @@ __acquires(ahcd->lock) } #ifdef ADMHC_VERBOSE_DEBUG - urb_print(ahcd, urb, "RET", usb_pipeout (urb->pipe)); + urb_print(ahcd, urb, "RET", usb_pipeout (urb->pipe), status); #endif /* urb->complete() can reenter this HCD */ + usb_hcd_unlink_urb_from_ep(admhcd_to_hcd(ahcd), urb); spin_unlock(&ahcd->lock); - usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb); + usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb, status); spin_lock(&ahcd->lock); } @@ -571,9 +555,7 @@ static void td_submit_urb(struct admhcd *ahcd, struct urb *urb) * Done List handling functions *-------------------------------------------------------------------------*/ -/* calculate transfer length/status and update the urb - * PRECONDITION: irqsafe (only for urb->status locking) - */ +/* calculate transfer length/status and update the urb */ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td) { struct urb_priv *urb_priv = urb->hcpriv; @@ -582,6 +564,7 @@ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td) u32 tdDBP; int type = usb_pipetype(urb->pipe); int cc; + int status = -EINPROGRESS; info = hc32_to_cpup(ahcd, &td->hwINFO); tdDBP = hc32_to_cpup(ahcd, &td->hwDBP); @@ -596,10 +579,9 @@ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td) /* NOTE: assumes FC in tdINFO == 0, and that * only the first of 0..MAXPSW psws is used. */ -#if 0 - if (tdINFO & TD_CC) /* hc didn't touch? */ - return; -#endif + if (info & TD_CC) /* hc didn't touch? */ + return status; + if (usb_pipeout(urb->pipe)) dlen = urb->iso_frame_desc[td->index].length; else { @@ -628,12 +610,9 @@ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td) && !(urb->transfer_flags & URB_SHORT_NOT_OK)) cc = TD_CC_NOERROR; - if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0) { - spin_lock(&urb->lock); - if (urb->status == -EINPROGRESS) - urb->status = cc_to_error[cc]; - spin_unlock(&urb->lock); - } + if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0) + status = cc_to_error[cc]; + /* count all non-empty packets except control SETUP packet */ if ((type != PIPE_CONTROL || td->index != 0) && tdDBP != 0) { @@ -651,15 +630,16 @@ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td) list_del(&td->td_list); urb_priv->td_idx++; - return cc; + return status; } /*-------------------------------------------------------------------------*/ -static inline struct td * +static inline void ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev) { struct urb *urb = td->urb; + struct urb_priv *urb_priv = urb->hcpriv; struct ed *ed = td->ed; struct list_head *tmp = td->td_list.next; __hc32 toggle = ed->hwHeadP & cpu_to_hc32(ahcd, ED_C); @@ -672,13 +652,12 @@ ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev) wmb(); ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_H); - /* put any later tds from this urb onto the donelist, after 'td', - * order won't matter here: no errors, and nothing was transferred. - * also patch the ed so it looks as if those tds completed normally. + /* Get rid of all later tds from this urb. We don't have + * to be careful: no errors and nothing was transferred. + * Also patch the ed so it looks as if those tds completed normally. */ while (tmp != &ed->td_list) { struct td *next; - __hc32 info; next = list_entry(tmp, struct td, td_list); tmp = next->td_list.next; @@ -693,16 +672,8 @@ ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev) * then we need to leave the control STATUS packet queued * and clear ED_SKIP. */ - info = next->hwINFO; -#if 0 /* FIXME */ - info |= cpu_to_hc32(ahcd, TD_DONE); -#endif - info &= ~cpu_to_hc32(ahcd, TD_CC); - next->hwINFO = info; - - next->next_dl_td = rev; - rev = next; - + list_del(&next->td_list); + urb_priv->td_cnt++; ed->hwHeadP = next->hwNextTD | toggle; } @@ -728,8 +699,6 @@ ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev) hc32_to_cpu(ahcd, td->hwINFO), cc, cc_to_error [cc]); } - - return rev; } /*-------------------------------------------------------------------------*/ @@ -796,12 +765,13 @@ rescan_this: struct urb *urb; struct urb_priv *urb_priv; __hc32 savebits; + int status; td = list_entry(entry, struct td, td_list); urb = td->urb; urb_priv = td->urb->hcpriv; - if (urb->status == -EINPROGRESS) { + if (!urb->unlinked) { prev = &td->hwNextTD; continue; } @@ -817,12 +787,12 @@ rescan_this: #ifdef ADMHC_VERBOSE_DEBUG urb_print(ahcd, urb, "PARTIAL", 0); #endif - td_done(ahcd, urb, td); + status = td_done(ahcd, urb, td); /* if URB is done, clean up */ if (urb_priv->td_idx == urb_priv->td_cnt) { modified = completed = 1; - finish_urb(ahcd, urb); + finish_urb(ahcd, urb, status); } } if (completed && !list_empty(&ed->td_list)) @@ -920,13 +890,13 @@ static void ed_update(struct admhcd *ahcd, struct ed *ed) struct td *td = list_entry(entry, struct td, td_list); struct urb *urb = td->urb; struct urb_priv *urb_priv = urb->hcpriv; - int cc; + int status; if (hc32_to_cpup(ahcd, &td->hwINFO) & TD_OWN) break; /* update URB's length and status from TD */ - cc = td_done(ahcd, urb, td); + status = td_done(ahcd, urb, td); if (is_ed_halted(ahcd, ed) && is_td_halted(ahcd, ed, td)) ed_unhalt(ahcd, ed, urb); @@ -935,7 +905,7 @@ static void ed_update(struct admhcd *ahcd, struct ed *ed) /* If all this urb's TDs are done, call complete() */ if (urb_priv->td_idx == urb_priv->td_cnt) - finish_urb(ahcd, urb); + finish_urb(ahcd, urb, status); /* clean schedule: unlink EDs that are no longer busy */ if (list_empty(&ed->td_list)) { |