diff options
author | Kyle McMartin <kyle@parisc-linux.org> | 2007-02-17 00:18:23 -0500 |
---|---|---|
committer | Kyle McMartin <kyle@parisc-linux.org> | 2007-02-17 00:18:23 -0500 |
commit | e7b3ca08549caccf5d6e1cf066780bf4f0ae77a7 (patch) | |
tree | 7e5745bea06675cfce60d6813ee3b4d5e19cbb56 /drivers | |
parent | 62d0cfcb27cf755cebdc93ca95dabc83608007cd (diff) | |
parent | cb6efb39163bfb6bb6475fa7c8a5e08e44dbf14a (diff) |
Merge branch 'parisc' from /home/kyle/repos/parisc-2.6.git
Conflicts:
arch/parisc/hpux/sys_hpux.c
arch/parisc/mm/ioremap.c
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/agp/parisc-agp.c | 2 | ||||
-rw-r--r-- | drivers/net/Kconfig | 6 | ||||
-rw-r--r-- | drivers/net/lasi_82596.c | 34 | ||||
-rw-r--r-- | drivers/parisc/hppb.c | 14 | ||||
-rw-r--r-- | drivers/parisc/iosapic_private.h | 2 | ||||
-rw-r--r-- | drivers/parisc/lba_pci.c | 34 | ||||
-rw-r--r-- | drivers/parisc/led.c | 12 | ||||
-rw-r--r-- | drivers/parisc/power.c | 4 | ||||
-rw-r--r-- | drivers/parisc/sba_iommu.c | 4 | ||||
-rw-r--r-- | drivers/serial/mux.c | 167 |
10 files changed, 180 insertions, 99 deletions
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index 17c50b0f83f0..30cc7aeae9ab 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -235,7 +235,7 @@ static int __init agp_ioc_init(void __iomem *ioc_regs) { struct _parisc_agp_info *info = &parisc_agp_info; - u64 *iova_base, *io_pdir, io_tlb_ps; + u64 iova_base, *io_pdir, io_tlb_ps; int io_tlb_shift; printk(KERN_INFO DRVPFX "IO PDIR shared with sba_iommu\n"); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 8aa8dd02b910..79eade7e9d91 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -440,10 +440,10 @@ config HPLANCE config LASI_82596 tristate "Lasi ethernet" - depends on NET_ETHERNET && PARISC && GSC_LASI + depends on NET_ETHERNET && GSC help - Say Y here to support the on-board Intel 82596 ethernet controller - built into Hewlett-Packard PA-RISC machines. + Say Y here to support the builtin Intel 82596 ethernet controller + found in Hewlett-Packard PA-RISC machines with 10Mbit ethernet. config MIPS_JAZZ_SONIC tristate "MIPS JAZZ onboard SONIC Ethernet support" diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c index ea392f2a5aa2..452863d5d498 100644 --- a/drivers/net/lasi_82596.c +++ b/drivers/net/lasi_82596.c @@ -384,7 +384,7 @@ struct i596_private { struct device *dev; }; -static char init_setup[] = +static const char init_setup[] = { 0x8E, /* length, prefetch on */ 0xC8, /* fifo to 8, monitor off */ @@ -683,7 +683,7 @@ static int init_i596_mem(struct net_device *dev) enable_irq(dev->irq); /* enable IRQs from LAN */ DEB(DEB_INIT, printk("%s: queuing CmdConfigure\n", dev->name)); - memcpy(lp->cf_cmd.i596_config, init_setup, 14); + memcpy(lp->cf_cmd.i596_config, init_setup, sizeof(init_setup)); lp->cf_cmd.cmd.command = CmdConfigure; CHECK_WBACK(lp, &(lp->cf_cmd), sizeof(struct cf_cmd)); i596_add_cmd(dev, &lp->cf_cmd.cmd); @@ -1156,32 +1156,12 @@ static int __devinit i82596_probe(struct net_device *dev, dma_addr_t dma_addr; /* This lot is ensure things have been cache line aligned. */ - if (sizeof(struct i596_rfd) != 32) { - printk("82596: sizeof(struct i596_rfd) = %d\n", - (int)sizeof(struct i596_rfd)); - return -ENODEV; - } - if ((sizeof(struct i596_rbd) % 32) != 0) { - printk("82596: sizeof(struct i596_rbd) = %d\n", - (int)sizeof(struct i596_rbd)); - return -ENODEV; - } - if ((sizeof(struct tx_cmd) % 32) != 0) { - printk("82596: sizeof(struct tx_cmd) = %d\n", - (int)sizeof(struct tx_cmd)); - return -ENODEV; - } - if (sizeof(struct i596_tbd) != 32) { - printk("82596: sizeof(struct i596_tbd) = %d\n", - (int)sizeof(struct i596_tbd)); - return -ENODEV; - } + BUILD_BUG_ON(sizeof(struct i596_rfd) != 32); + BUILD_BUG_ON(sizeof(struct i596_rbd) & 31); + BUILD_BUG_ON(sizeof(struct tx_cmd) & 31); + BUILD_BUG_ON(sizeof(struct i596_tbd) != 32); #ifndef __LP64__ - if (sizeof(struct i596_private) > 4096) { - printk("82596: sizeof(struct i596_private) = %d\n", - (int)sizeof(struct i596_private)); - return -ENODEV; - } + BUILD_BUG_ON(sizeof(struct i596_private) > 4096); #endif if (!dev->base_addr || !dev->irq) diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c index 07dc2b6d4e93..9bb4db552f3c 100644 --- a/drivers/parisc/hppb.c +++ b/drivers/parisc/hppb.c @@ -10,10 +10,6 @@ ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. ** -** This Driver currently only supports the console (port 0) on the MUX. -** Additional work will be needed on this driver to enable the full -** functionality of the MUX. -** */ #include <linux/types.h> @@ -67,7 +63,7 @@ static int hppb_probe(struct parisc_device *dev) } card = card->next; } - printk(KERN_INFO "Found GeckoBoa at 0x%lx\n", dev->hpa.start); + printk(KERN_INFO "Found GeckoBoa at 0x%x\n", dev->hpa.start); card->hpa = dev->hpa.start; card->mmio_region.name = "HP-PB Bus"; @@ -78,16 +74,18 @@ static int hppb_probe(struct parisc_device *dev) status = ccio_request_resource(dev, &card->mmio_region); if(status < 0) { - printk(KERN_ERR "%s: failed to claim HP-PB bus space (%08lx, %08lx)\n", + printk(KERN_ERR "%s: failed to claim HP-PB bus space (%08x, %08x)\n", __FILE__, card->mmio_region.start, card->mmio_region.end); } return 0; } - static struct parisc_device_id hppb_tbl[] = { - { HPHW_BCPORT, HVERSION_REV_ANY_ID, 0x500, 0xc }, + { HPHW_BCPORT, HVERSION_REV_ANY_ID, 0x500, 0xc }, /* E25 and K */ + { HPHW_BCPORT, 0x0, 0x501, 0xc }, /* E35 */ + { HPHW_BCPORT, 0x0, 0x502, 0xc }, /* E45 */ + { HPHW_BCPORT, 0x0, 0x503, 0xc }, /* E55 */ { 0, } }; diff --git a/drivers/parisc/iosapic_private.h b/drivers/parisc/iosapic_private.h index 41e7ec2a44aa..6e05e30a2450 100644 --- a/drivers/parisc/iosapic_private.h +++ b/drivers/parisc/iosapic_private.h @@ -132,7 +132,7 @@ struct iosapic_irt { struct vector_info { struct iosapic_info *iosapic; /* I/O SAPIC this vector is on */ struct irt_entry *irte; /* IRT entry */ - u32 *eoi_addr; /* precalculate EOI reg address */ + u32 __iomem *eoi_addr; /* precalculate EOI reg address */ u32 eoi_data; /* IA64: ? PA: swapped txn_data */ int txn_irq; /* virtual IRQ number for processor */ ulong txn_addr; /* IA64: id_eid PA: partial HPA */ diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index ba6769934c77..eae0812f01a5 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -980,7 +980,7 @@ LBA_PORT_IN(32, 0) #define LBA_PORT_OUT(size, mask) \ static void lba_pat_out##size (struct pci_hba_data *l, u16 addr, u##size val) \ { \ - void *where = (void *) PIOP_TO_GMMIO(LBA_DEV(l), addr); \ + void __iomem *where = PIOP_TO_GMMIO(LBA_DEV(l), addr); \ DBG_PORT("%s(0x%p, 0x%x, 0x%x)\n", __FUNCTION__, l, addr, val); \ WRITE_REG##size(val, where); \ /* flush the I/O down to the elroy at least */ \ @@ -1406,13 +1406,20 @@ lba_hw_init(struct lba_device *d) return 0; } - +/* + * Unfortunately, when firmware numbers busses, it doesn't take into account + * Cardbus bridges. So we have to renumber the busses to suit ourselves. + * Elroy/Mercury don't actually know what bus number they're attached to; + * we use bus 0 to indicate the directly attached bus and any other bus + * number will be taken care of by the PCI-PCI bridge. + */ +static unsigned int lba_next_bus = 0; /* -** Determine if lba should claim this chip (return 0) or not (return 1). -** If so, initialize the chip and tell other partners in crime they -** have work to do. -*/ + * Determine if lba should claim this chip (return 0) or not (return 1). + * If so, initialize the chip and tell other partners in crime they + * have work to do. + */ static int __init lba_driver_probe(struct parisc_device *dev) { @@ -1478,9 +1485,7 @@ lba_driver_probe(struct parisc_device *dev) return -ENODEV; } - /* - ** Tell I/O SAPIC driver we have a IRQ handler/region. - */ + /* Tell I/O SAPIC driver we have a IRQ handler/region. */ tmp_obj = iosapic_register(dev->hpa.start + LBA_IOSAPIC_BASE); /* NOTE: PCI devices (e.g. 103c:1005 graphics card) which don't @@ -1529,16 +1534,17 @@ lba_driver_probe(struct parisc_device *dev) lba_legacy_resources(dev, lba_dev); } - /* - ** Tell PCI support another PCI bus was found. - ** Walks PCI bus for us too. - */ + if (lba_dev->hba.bus_num.start < lba_next_bus) + lba_dev->hba.bus_num.start = lba_next_bus; + dev->dev.platform_data = lba_dev; lba_bus = lba_dev->hba.hba_bus = pci_scan_bus_parented(&dev->dev, lba_dev->hba.bus_num.start, cfg_ops, NULL); - if (lba_bus) + if (lba_bus) { + lba_next_bus = lba_bus->subordinate + 1; pci_bus_add_devices(lba_bus); + } /* This is in lieu of calling pci_assign_unassigned_resources() */ if (is_pdc_pat()) { diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 8dac2ba82bb9..6818c10c0c46 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -66,8 +66,8 @@ static char lcd_text_default[32] __read_mostly; static struct workqueue_struct *led_wq; -static void led_work_func(void *); -static DECLARE_WORK(led_task, led_work_func, NULL); +static void led_work_func(struct work_struct *); +static DECLARE_DELAYED_WORK(led_task, led_work_func); #if 0 #define DPRINTK(x) printk x @@ -136,7 +136,7 @@ static int start_task(void) /* Create the work queue and queue the LED task */ led_wq = create_singlethread_workqueue("led_wq"); - queue_work(led_wq, &led_task); + queue_delayed_work(led_wq, &led_task, 0); return 0; } @@ -443,7 +443,7 @@ static __inline__ int led_get_diskio_activity(void) #define LED_UPDATE_INTERVAL (1 + (HZ*19/1000)) -static void led_work_func (void *unused) +static void led_work_func (struct work_struct *unused) { static unsigned long last_jiffies; static unsigned long count_HZ; /* counter in range 0..HZ */ @@ -590,7 +590,7 @@ int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long d /* Ensure the work is queued */ if (led_wq) { - queue_work(led_wq, &led_task); + queue_delayed_work(led_wq, &led_task, 0); } return 0; @@ -660,7 +660,7 @@ int lcd_print( char *str ) /* re-queue the work */ if (led_wq) { - queue_work(led_wq, &led_task); + queue_delayed_work(led_wq, &led_task, 0); } return lcd_info.lcd_width; diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c index 97e9dc066f95..9228e210c3bb 100644 --- a/drivers/parisc/power.c +++ b/drivers/parisc/power.c @@ -82,7 +82,7 @@ } ) -static void deferred_poweroff(void *dummy) +static void deferred_poweroff(struct work_struct *unused) { if (kill_cad_pid(SIGINT, 1)) { /* just in case killing init process failed */ @@ -96,7 +96,7 @@ static void deferred_poweroff(void *dummy) * use schedule_work(). */ -static DECLARE_WORK(poweroff_work, deferred_poweroff, NULL); +static DECLARE_WORK(poweroff_work, deferred_poweroff); static void poweroff(void) { diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index f1e7ccd5475b..26fece45e737 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -109,7 +109,7 @@ static unsigned long piranha_bad_128k = 0; #ifdef SBA_AGP_SUPPORT static int sba_reserve_agpgart = 1; -module_param(sba_reserve_agpgart, int, 1); +module_param(sba_reserve_agpgart, int, 0444); MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART"); #endif @@ -846,7 +846,7 @@ static void *sba_alloc_consistent(struct device *hwdev, size_t size, if (!hwdev) { /* only support PCI */ *dma_handle = 0; - return 0; + return NULL; } ret = (void *) __get_free_pages(gfp, get_order(size)); diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c index ccb8fa1800a5..83211013deb8 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -51,7 +51,11 @@ #define MUX_NR 256 static unsigned int port_cnt __read_mostly; -static struct uart_port mux_ports[MUX_NR]; +struct mux_port { + struct uart_port port; + int enabled; +}; +static struct mux_port mux_ports[MUX_NR]; static struct uart_driver mux_driver = { .owner = THIS_MODULE, @@ -66,7 +70,36 @@ static struct timer_list mux_timer; #define UART_PUT_CHAR(p, c) __raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET) #define UART_GET_FIFO_CNT(p) __raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET) -#define GET_MUX_PORTS(iodc_data) ((((iodc_data)[4] & 0xf0) >> 4) * 8) + 8 + +/** + * get_mux_port_count - Get the number of available ports on the Mux. + * @dev: The parisc device. + * + * This function is used to determine the number of ports the Mux + * supports. The IODC data reports the number of ports the Mux + * can support, but there are cases where not all the Mux ports + * are connected. This function can override the IODC and + * return the true port count. + */ +static int __init get_mux_port_count(struct parisc_device *dev) +{ + int status; + u8 iodc_data[32]; + unsigned long bytecnt; + + /* If this is the built-in Mux for the K-Class (Eole CAP/MUX), + * we only need to allocate resources for 1 port since the + * other 7 ports are not connected. + */ + if(dev->id.hversion == 0x15) + return 1; + + status = pdc_iodc_read(&bytecnt, dev->hpa.start, 0, iodc_data, 32); + BUG_ON(status != PDC_OK); + + /* Return the number of ports specified in the iodc data. */ + return ((((iodc_data)[4] & 0xf0) >> 4) * 8) + 8; +} /** * mux_tx_empty - Check if the transmitter fifo is empty. @@ -250,7 +283,7 @@ static void mux_read(struct uart_port *port) */ static int mux_startup(struct uart_port *port) { - mod_timer(&mux_timer, jiffies + MUX_POLL_DELAY); + mux_ports[port->line].enabled = 1; return 0; } @@ -262,6 +295,7 @@ static int mux_startup(struct uart_port *port) */ static void mux_shutdown(struct uart_port *port) { + mux_ports[port->line].enabled = 0; } /** @@ -319,7 +353,7 @@ static int mux_request_port(struct uart_port *port) * @port: Ptr to the uart_port. * @type: Bitmask of required configurations. * - * Perform any autoconfiguration steps for the port. This functino is + * Perform any autoconfiguration steps for the port. This function is * called if the UPF_BOOT_AUTOCONF flag is specified for the port. * [Note: This is required for now because of a bug in the Serial core. * rmk has already submitted a patch to linus, should be available for @@ -357,11 +391,11 @@ static void mux_poll(unsigned long unused) int i; for(i = 0; i < port_cnt; ++i) { - if(!mux_ports[i].info) + if(!mux_ports[i].enabled) continue; - mux_read(&mux_ports[i]); - mux_write(&mux_ports[i]); + mux_read(&mux_ports[i].port); + mux_write(&mux_ports[i].port); } mod_timer(&mux_timer, jiffies + MUX_POLL_DELAY); @@ -371,8 +405,17 @@ static void mux_poll(unsigned long unused) #ifdef CONFIG_SERIAL_MUX_CONSOLE static void mux_console_write(struct console *co, const char *s, unsigned count) { - while(count--) - pdc_iodc_putc(*s++); + /* Wait until the FIFO drains. */ + while(UART_GET_FIFO_CNT(&mux_ports[0].port)) + udelay(1); + + while(count--) { + if(*s == '\n') { + UART_PUT_CHAR(&mux_ports[0].port, '\r'); + } + UART_PUT_CHAR(&mux_ports[0].port, *s++); + } + } static int mux_console_setup(struct console *co, char *options) @@ -428,19 +471,14 @@ static struct uart_ops mux_pops = { */ static int __init mux_probe(struct parisc_device *dev) { - int i, status, ports; - u8 iodc_data[32]; - unsigned long bytecnt; - struct uart_port *port; + int i, status; - status = pdc_iodc_read(&bytecnt, dev->hpa.start, 0, iodc_data, 32); - if(status != PDC_OK) { - printk(KERN_ERR "Serial mux: Unable to read IODC.\n"); - return 1; - } + int port_count = get_mux_port_count(dev); + printk(KERN_INFO "Serial mux driver (%d ports) Revision: 0.6\n", port_count); - ports = GET_MUX_PORTS(iodc_data); - printk(KERN_INFO "Serial mux driver (%d ports) Revision: 0.3\n", ports); + dev_set_drvdata(&dev->dev, (void *)(long)port_count); + request_mem_region(dev->hpa.start + MUX_OFFSET, + port_count * MUX_LINE_OFFSET, "Mux"); if(!port_cnt) { mux_driver.cons = MUX_CONSOLE; @@ -450,13 +488,10 @@ static int __init mux_probe(struct parisc_device *dev) printk(KERN_ERR "Serial mux: Unable to register driver.\n"); return 1; } - - init_timer(&mux_timer); - mux_timer.function = mux_poll; } - for(i = 0; i < ports; ++i, ++port_cnt) { - port = &mux_ports[port_cnt]; + for(i = 0; i < port_count; ++i, ++port_cnt) { + struct uart_port *port = &mux_ports[port_cnt].port; port->iobase = 0; port->mapbase = dev->hpa.start + MUX_OFFSET + (i * MUX_LINE_OFFSET); @@ -477,27 +512,73 @@ static int __init mux_probe(struct parisc_device *dev) */ port->timeout = HZ / 50; spin_lock_init(&port->lock); + status = uart_add_one_port(&mux_driver, port); BUG_ON(status); } -#ifdef CONFIG_SERIAL_MUX_CONSOLE - register_console(&mux_console); -#endif return 0; } +static int __devexit mux_remove(struct parisc_device *dev) +{ + int i, j; + int port_count = (long)dev_get_drvdata(&dev->dev); + + /* Find Port 0 for this card in the mux_ports list. */ + for(i = 0; i < port_cnt; ++i) { + if(mux_ports[i].port.mapbase == dev->hpa.start + MUX_OFFSET) + break; + } + BUG_ON(i + port_count > port_cnt); + + /* Release the resources associated with each port on the device. */ + for(j = 0; j < port_count; ++j, ++i) { + struct uart_port *port = &mux_ports[i].port; + + uart_remove_one_port(&mux_driver, port); + if(port->membase) + iounmap(port->membase); + } + + release_mem_region(dev->hpa.start + MUX_OFFSET, port_count * MUX_LINE_OFFSET); + return 0; +} + +/* Hack. This idea was taken from the 8250_gsc.c on how to properly order + * the serial port detection in the proper order. The idea is we always + * want the builtin mux to be detected before addin mux cards, so we + * specifically probe for the builtin mux cards first. + * + * This table only contains the parisc_device_id of known builtin mux + * devices. All other mux cards will be detected by the generic mux_tbl. + */ +static struct parisc_device_id builtin_mux_tbl[] = { + { HPHW_A_DIRECT, HVERSION_REV_ANY_ID, 0x15, 0x0000D }, /* All K-class */ + { HPHW_A_DIRECT, HVERSION_REV_ANY_ID, 0x44, 0x0000D }, /* E35, E45, and E55 */ + { 0, } +}; + static struct parisc_device_id mux_tbl[] = { { HPHW_A_DIRECT, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0000D }, { 0, } }; +MODULE_DEVICE_TABLE(parisc, builtin_mux_tbl); MODULE_DEVICE_TABLE(parisc, mux_tbl); +static struct parisc_driver builtin_serial_mux_driver = { + .name = "builtin_serial_mux", + .id_table = builtin_mux_tbl, + .probe = mux_probe, + .remove = __devexit_p(mux_remove), +}; + static struct parisc_driver serial_mux_driver = { .name = "serial_mux", .id_table = mux_tbl, .probe = mux_probe, + .remove = __devexit_p(mux_remove), }; /** @@ -507,7 +588,21 @@ static struct parisc_driver serial_mux_driver = { */ static int __init mux_init(void) { - return register_parisc_driver(&serial_mux_driver); + register_parisc_driver(&builtin_serial_mux_driver); + register_parisc_driver(&serial_mux_driver); + + if(port_cnt > 0) { + /* Start the Mux timer */ + init_timer(&mux_timer); + mux_timer.function = mux_poll; + mod_timer(&mux_timer, jiffies + MUX_POLL_DELAY); + +#ifdef CONFIG_SERIAL_MUX_CONSOLE + register_console(&mux_console); +#endif + } + + return 0; } /** @@ -517,14 +612,16 @@ static int __init mux_init(void) */ static void __exit mux_exit(void) { - int i; - - for (i = 0; i < port_cnt; i++) { - uart_remove_one_port(&mux_driver, &mux_ports[i]); - if (mux_ports[i].membase) - iounmap(mux_ports[i].membase); + /* Delete the Mux timer. */ + if(port_cnt > 0) { + del_timer(&mux_timer); +#ifdef CONFIG_SERIAL_MUX_CONSOLE + unregister_console(&mux_console); +#endif } + unregister_parisc_driver(&builtin_serial_mux_driver); + unregister_parisc_driver(&serial_mux_driver); uart_unregister_driver(&mux_driver); } |