diff options
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/pcmcia/Makefile | 4 | ||||
| -rw-r--r-- | drivers/pcmcia/au1000_generic.c | 545 | ||||
| -rw-r--r-- | drivers/pcmcia/au1000_generic.h | 135 | ||||
| -rw-r--r-- | drivers/pcmcia/au1000_pb1x00.c | 294 | ||||
| -rw-r--r-- | drivers/pcmcia/db1xxx_ss.c | 26 |
6 files changed, 24 insertions, 988 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 6e318ce..f9e3fb3 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -155,18 +155,14 @@ config PCMCIA_M8XX This driver is also available as a module called m8xx_pcmcia. -config PCMCIA_AU1X00 - tristate "Au1x00 pcmcia support" - depends on MIPS_ALCHEMY && PCMCIA - config PCMCIA_ALCHEMY_DEVBOARD tristate "Alchemy Db/Pb1xxx PCMCIA socket services" depends on MIPS_ALCHEMY && PCMCIA select 64BIT_PHYS_ADDR help Enable this driver of you want PCMCIA support on your Alchemy - Db1000, Db/Pb1100, Db/Pb1500, Db/Pb1550, Db/Pb1200 board. - NOT suitable for the PB1000! + Db1000, Db/Pb1100, Db/Pb1500, Db/Pb1550, Db/Pb1200, DB1300 + board. NOT suitable for the PB1000! This driver is also available as a module called db1xxx_ss.ko diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 29935ea..ec543a4 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -29,7 +29,6 @@ obj-$(CONFIG_PCMCIA_SA1100) += sa11xx_base.o sa1100_cs.o obj-$(CONFIG_PCMCIA_SA1111) += sa11xx_base.o sa1111_cs.o obj-$(CONFIG_M32R_PCC) += m32r_pcc.o obj-$(CONFIG_M32R_CFC) += m32r_cfc.o -obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o @@ -39,9 +38,6 @@ obj-$(CONFIG_AT91_CF) += at91_cf.o obj-$(CONFIG_ELECTRA_CF) += electra_cf.o obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD) += db1xxx_ss.o -au1x00_ss-y += au1000_generic.o -au1x00_ss-$(CONFIG_MIPS_PB1000) += au1000_pb1x00.o - sa1111_cs-y += sa1111_generic.o sa1111_cs-$(CONFIG_ASSABET_NEPONSET) += sa1100_neponset.o sa1111_cs-$(CONFIG_SA1100_BADGE4) += sa1100_badge4.o diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c deleted file mode 100644 index 95dd7c6..0000000 --- a/drivers/pcmcia/au1000_generic.c +++ /dev/null @@ -1,545 +0,0 @@ -/* - * - * Alchemy Semi Au1000 pcmcia driver - * - * Copyright 2001-2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@embeddedalley.com or source@mvista.com - * - * Copyright 2004 Pete Popov, Embedded Alley Solutions, Inc. - * Updated the driver to 2.6. Followed the sa11xx API and largely - * copied many of the hardware independent functions. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope 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., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/cpufreq.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/notifier.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> -#include <linux/slab.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> - -#include <asm/mach-au1x00/au1000.h> -#include "au1000_generic.h" - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Pete Popov <ppopov@embeddedalley.com>"); -MODULE_DESCRIPTION("Linux PCMCIA Card Services: Au1x00 Socket Controller"); - -#if 0 -#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args) -#else -#define debug(x,args...) -#endif - -#define MAP_SIZE 0x100000 -extern struct au1000_pcmcia_socket au1000_pcmcia_socket[]; -#define PCMCIA_SOCKET(x) (au1000_pcmcia_socket + (x)) -#define to_au1000_socket(x) container_of(x, struct au1000_pcmcia_socket, socket) - -/* Some boards like to support CF cards as IDE root devices, so they - * grab pcmcia sockets directly. - */ -u32 *pcmcia_base_vaddrs[2]; -extern const unsigned long mips_io_port_base; - -static DEFINE_MUTEX(pcmcia_sockets_lock); - -static int (*au1x00_pcmcia_hw_init[])(struct device *dev) = { - au1x_board_init, -}; - -static int -au1x00_pcmcia_skt_state(struct au1000_pcmcia_socket *skt) -{ - struct pcmcia_state state; - unsigned int stat; - - memset(&state, 0, sizeof(struct pcmcia_state)); - - skt->ops->socket_state(skt, &state); - - stat = state.detect ? SS_DETECT : 0; - stat |= state.ready ? SS_READY : 0; - stat |= state.wrprot ? SS_WRPROT : 0; - stat |= state.vs_3v ? SS_3VCARD : 0; - stat |= state.vs_Xv ? SS_XVCARD : 0; - stat |= skt->cs_state.Vcc ? SS_POWERON : 0; - - if (skt->cs_state.flags & SS_IOCARD) - stat |= state.bvd1 ? SS_STSCHG : 0; - else { - if (state.bvd1 == 0) - stat |= SS_BATDEAD; - else if (state.bvd2 == 0) - stat |= SS_BATWARN; - } - return stat; -} - -/* - * au100_pcmcia_config_skt - * - * Convert PCMCIA socket state to our socket configure structure. - */ -static int -au1x00_pcmcia_config_skt(struct au1000_pcmcia_socket *skt, socket_state_t *state) -{ - int ret; - - ret = skt->ops->configure_socket(skt, state); - if (ret == 0) { - skt->cs_state = *state; - } - - if (ret < 0) - debug("unable to configure socket %d\n", skt->nr); - - return ret; -} - -/* au1x00_pcmcia_sock_init() - * - * (Re-)Initialise the socket, turning on status interrupts - * and PCMCIA bus. This must wait for power to stabilise - * so that the card status signals report correctly. - * - * Returns: 0 - */ -static int au1x00_pcmcia_sock_init(struct pcmcia_socket *sock) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - debug("initializing socket %u\n", skt->nr); - - skt->ops->socket_init(skt); - return 0; -} - -/* - * au1x00_pcmcia_suspend() - * - * Remove power on the socket, disable IRQs from the card. - * Turn off status interrupts, and disable the PCMCIA bus. - * - * Returns: 0 - */ -static int au1x00_pcmcia_suspend(struct pcmcia_socket *sock) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - debug("suspending socket %u\n", skt->nr); - - skt->ops->socket_suspend(skt); - - return 0; -} - -static DEFINE_SPINLOCK(status_lock); - -/* - * au1x00_check_status() - */ -static void au1x00_check_status(struct au1000_pcmcia_socket *skt) -{ - unsigned int events; - - debug("entering PCMCIA monitoring thread\n"); - - do { - unsigned int status; - unsigned long flags; - - status = au1x00_pcmcia_skt_state(skt); - - spin_lock_irqsave(&status_lock, flags); - events = (status ^ skt->status) & skt->cs_state.csc_mask; - skt->status = status; - spin_unlock_irqrestore(&status_lock, flags); - - debug("events: %s%s%s%s%s%s\n", - events == 0 ? "<NONE>" : "", - events & SS_DETECT ? "DETECT " : "", - events & SS_READY ? "READY " : "", - events & SS_BATDEAD ? "BATDEAD " : "", - events & SS_BATWARN ? "BATWARN " : "", - events & SS_STSCHG ? "STSCHG " : ""); - - if (events) - pcmcia_parse_events(&skt->socket, events); - } while (events); -} - -/* - * au1x00_pcmcia_poll_event() - * Let's poll for events in addition to IRQs since IRQ only is unreliable... - */ -static void au1x00_pcmcia_poll_event(unsigned long dummy) -{ - struct au1000_pcmcia_socket *skt = (struct au1000_pcmcia_socket *)dummy; - debug("polling for events\n"); - - mod_timer(&skt->poll_timer, jiffies + AU1000_PCMCIA_POLL_PERIOD); - - au1x00_check_status(skt); -} - -/* au1x00_pcmcia_get_status() - * - * From the sa11xx_core.c: - * Implements the get_status() operation for the in-kernel PCMCIA - * service (formerly SS_GetStatus in Card Services). Essentially just - * fills in bits in `status' according to internal driver state or - * the value of the voltage detect chipselect register. - * - * As a debugging note, during card startup, the PCMCIA core issues - * three set_socket() commands in a row the first with RESET deasserted, - * the second with RESET asserted, and the last with RESET deasserted - * again. Following the third set_socket(), a get_status() command will - * be issued. The kernel is looking for the SS_READY flag (see - * setup_socket(), reset_socket(), and unreset_socket() in cs.c). - * - * Returns: 0 - */ -static int -au1x00_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - skt->status = au1x00_pcmcia_skt_state(skt); - *status = skt->status; - - return 0; -} - -/* au1x00_pcmcia_set_socket() - * Implements the set_socket() operation for the in-kernel PCMCIA - * service (formerly SS_SetSocket in Card Services). We more or - * less punt all of this work and let the kernel handle the details - * of power configuration, reset, &c. We also record the value of - * `state' in order to regurgitate it to the PCMCIA core later. - * - * Returns: 0 - */ -static int -au1x00_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - debug("for sock %u\n", skt->nr); - - debug("\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\n", - (state->csc_mask==0)?"<NONE>":"", - (state->csc_mask&SS_DETECT)?"DETECT ":"", - (state->csc_mask&SS_READY)?"READY ":"", - (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"", - (state->csc_mask&SS_BATWARN)?"BATWARN ":"", - (state->csc_mask&SS_STSCHG)?"STSCHG ":"", - (state->flags==0)?"<NONE>":"", - (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"", - (state->flags&SS_IOCARD)?"IOCARD ":"", - (state->flags&SS_RESET)?"RESET ":"", - (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"", - (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":""); - debug("\tVcc %d Vpp %d irq %d\n", - state->Vcc, state->Vpp, state->io_irq); - - return au1x00_pcmcia_config_skt(skt, state); -} - -int -au1x00_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - unsigned int speed; - - if(map->map>=MAX_IO_WIN){ - debug("map (%d) out of range\n", map->map); - return -1; - } - - if(map->flags&MAP_ACTIVE){ - speed=(map->speed>0)?map->speed:AU1000_PCMCIA_IO_SPEED; - skt->spd_io[map->map] = speed; - } - - map->start=(unsigned int)(u32)skt->virt_io; - map->stop=map->start+MAP_SIZE; - return 0; - -} /* au1x00_pcmcia_set_io_map() */ - - -static int -au1x00_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - unsigned short speed = map->speed; - - if(map->map>=MAX_WIN){ - debug("map (%d) out of range\n", map->map); - return -1; - } - - if (map->flags & MAP_ATTRIB) { - skt->spd_attr[map->map] = speed; - skt->spd_mem[map->map] = 0; - } else { - skt->spd_attr[map->map] = 0; - skt->spd_mem[map->map] = speed; - } - - if (map->flags & MAP_ATTRIB) { - map->static_start = skt->phys_attr + map->card_start; - } - else { - map->static_start = skt->phys_mem + map->card_start; - } - - debug("set_mem_map %d start %08lx card_start %08x\n", - map->map, map->static_start, map->card_start); - return 0; - -} /* au1x00_pcmcia_set_mem_map() */ - -static struct pccard_operations au1x00_pcmcia_operations = { - .init = au1x00_pcmcia_sock_init, - .suspend = au1x00_pcmcia_suspend, - .get_status = au1x00_pcmcia_get_status, - .set_socket = au1x00_pcmcia_set_socket, - .set_io_map = au1x00_pcmcia_set_io_map, - .set_mem_map = au1x00_pcmcia_set_mem_map, -}; - -static const char *skt_names[] = { - "PCMCIA socket 0", - "PCMCIA socket 1", -}; - -struct skt_dev_info { - int nskt; -}; - -int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr) -{ - struct skt_dev_info *sinfo; - struct au1000_pcmcia_socket *skt; - int ret, i; - - sinfo = kzalloc(sizeof(struct skt_dev_info), GFP_KERNEL); - if (!sinfo) { - ret = -ENOMEM; - goto out; - } - - sinfo->nskt = nr; - - /* - * Initialise the per-socket structure. - */ - for (i = 0; i < nr; i++) { - skt = PCMCIA_SOCKET(i); - memset(skt, 0, sizeof(*skt)); - - skt->socket.resource_ops = &pccard_static_ops; - skt->socket.ops = &au1x00_pcmcia_operations; - skt->socket.owner = ops->owner; - skt->socket.dev.parent = dev; - - init_timer(&skt->poll_timer); - skt->poll_timer.function = au1x00_pcmcia_poll_event; - skt->poll_timer.data = (unsigned long)skt; - skt->poll_timer.expires = jiffies + AU1000_PCMCIA_POLL_PERIOD; - - skt->nr = first + i; - skt->irq = 255; - skt->dev = dev; - skt->ops = ops; - - skt->res_skt.name = skt_names[skt->nr]; - skt->res_io.name = "io"; - skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY; - skt->res_mem.name = "memory"; - skt->res_mem.flags = IORESOURCE_MEM; - skt->res_attr.name = "attribute"; - skt->res_attr.flags = IORESOURCE_MEM; - - /* - * PCMCIA client drivers use the inb/outb macros to access the - * IO registers. Since mips_io_port_base is added to the - * access address of the mips implementation of inb/outb, - * we need to subtract it here because we want to access the - * I/O or MEM address directly, without going through this - * "mips_io_port_base" mechanism. - */ - if (i == 0) { - skt->virt_io = (void *) - (ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) - - (u32)mips_io_port_base); - skt->phys_attr = AU1X_SOCK0_PHYS_ATTR; - skt->phys_mem = AU1X_SOCK0_PHYS_MEM; - } - else { - skt->virt_io = (void *) - (ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) - - (u32)mips_io_port_base); - skt->phys_attr = AU1X_SOCK1_PHYS_ATTR; - skt->phys_mem = AU1X_SOCK1_PHYS_MEM; - } - pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io; - ret = ops->hw_init(skt); - - skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD; - skt->socket.irq_mask = 0; - skt->socket.map_size = MAP_SIZE; - skt->socket.pci_irq = skt->irq; - skt->socket.io_offset = (unsigned long)skt->virt_io; - - skt->status = au1x00_pcmcia_skt_state(skt); - - ret = pcmcia_register_socket(&skt->socket); - if (ret) - goto out_err; - - WARN_ON(skt->socket.sock != i); - - add_timer(&skt->poll_timer); - } - - dev_set_drvdata(dev, sinfo); - return 0; - - -out_err: - ops->hw_shutdown(skt); - while (i-- > 0) { - skt = PCMCIA_SOCKET(i); - - del_timer_sync(&skt->poll_timer); - pcmcia_unregister_socket(&skt->socket); - if (i == 0) { - iounmap(skt->virt_io + (u32)mips_io_port_base); - skt->virt_io = NULL; - } -#ifndef CONFIG_MIPS_XXS1500 - else { - iounmap(skt->virt_io + (u32)mips_io_port_base); - skt->virt_io = NULL; - } -#endif - ops->hw_shutdown(skt); - - } - kfree(sinfo); -out: - return ret; -} - -int au1x00_drv_pcmcia_remove(struct platform_device *dev) -{ - struct skt_dev_info *sinfo = platform_get_drvdata(dev); - int i; - - mutex_lock(&pcmcia_sockets_lock); - platform_set_drvdata(dev, NULL); - - for (i = 0; i < sinfo->nskt; i++) { - struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i); - - del_timer_sync(&skt->poll_timer); - pcmcia_unregister_socket(&skt->socket); - skt->ops->hw_shutdown(skt); - au1x00_pcmcia_config_skt(skt, &dead_socket); - iounmap(skt->virt_io + (u32)mips_io_port_base); - skt->virt_io = NULL; - } - - kfree(sinfo); - mutex_unlock(&pcmcia_sockets_lock); - return 0; -} - - -/* - * PCMCIA "Driver" API - */ - -static int au1x00_drv_pcmcia_probe(struct platform_device *dev) -{ - int i, ret = -ENODEV; - - mutex_lock(&pcmcia_sockets_lock); - for (i=0; i < ARRAY_SIZE(au1x00_pcmcia_hw_init); i++) { - ret = au1x00_pcmcia_hw_init[i](&dev->dev); - if (ret == 0) - break; - } - mutex_unlock(&pcmcia_sockets_lock); - return ret; -} - -static struct platform_driver au1x00_pcmcia_driver = { - .driver = { - .name = "au1x00-pcmcia", - .owner = THIS_MODULE, - }, - .probe = au1x00_drv_pcmcia_probe, - .remove = au1x00_drv_pcmcia_remove, -}; - - -/* au1x00_pcmcia_init() - * - * This routine performs low-level PCMCIA initialization and then - * registers this socket driver with Card Services. - * - * Returns: 0 on success, -ve error code on failure - */ -static int __init au1x00_pcmcia_init(void) -{ - int error = 0; - error = platform_driver_register(&au1x00_pcmcia_driver); - return error; -} - -/* au1x00_pcmcia_exit() - * Invokes the low-level kernel service to free IRQs associated with this - * socket controller and reset GPIO edge detection. - */ -static void __exit au1x00_pcmcia_exit(void) -{ - platform_driver_unregister(&au1x00_pcmcia_driver); -} - -module_init(au1x00_pcmcia_init); -module_exit(au1x00_pcmcia_exit); diff --git a/drivers/pcmcia/au1000_generic.h b/drivers/pcmcia/au1000_generic.h deleted file mode 100644 index 5c36bda..0000000 --- a/drivers/pcmcia/au1000_generic.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Alchemy Semi Au1000 pcmcia driver include file - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope 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., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#ifndef __ASM_AU1000_PCMCIA_H -#define __ASM_AU1000_PCMCIA_H - -/* include the world */ - -#include <pcmcia/ss.h> -#include <pcmcia/cistpl.h> -#include "cs_internal.h" - -#define AU1000_PCMCIA_POLL_PERIOD (2*HZ) -#define AU1000_PCMCIA_IO_SPEED (255) -#define AU1000_PCMCIA_MEM_SPEED (300) - -#define AU1X_SOCK0_IO 0xF00000000ULL -#define AU1X_SOCK0_PHYS_ATTR 0xF40000000ULL -#define AU1X_SOCK0_PHYS_MEM 0xF80000000ULL - -/* pcmcia socket 1 needs external glue logic so the memory map - * differs from board to board. - */ -#if defined(CONFIG_MIPS_PB1000) -#define AU1X_SOCK1_IO 0xF08000000ULL -#define AU1X_SOCK1_PHYS_ATTR 0xF48000000ULL -#define AU1X_SOCK1_PHYS_MEM 0xF88000000ULL -#endif - -struct pcmcia_state { - unsigned detect: 1, - ready: 1, - wrprot: 1, - bvd1: 1, - bvd2: 1, - vs_3v: 1, - vs_Xv: 1; -}; - -struct pcmcia_configure { - unsigned sock: 8, - vcc: 8, - vpp: 8, - output: 1, - speaker: 1, - reset: 1; -}; - -struct pcmcia_irqs { - int sock; - int irq; - const char *str; -}; - - -struct au1000_pcmcia_socket { - struct pcmcia_socket socket; - - /* - * Info from low level handler - */ - struct device *dev; - unsigned int nr; - unsigned int irq; - - /* - * Core PCMCIA state - */ - struct pcmcia_low_level *ops; - - unsigned int status; - socket_state_t cs_state; - - unsigned short spd_io[MAX_IO_WIN]; - unsigned short spd_mem[MAX_WIN]; - unsigned short spd_attr[MAX_WIN]; - - struct resource res_skt; - struct resource res_io; - struct resource res_mem; - struct resource res_attr; - - void * virt_io; - unsigned int phys_io; - unsigned int phys_attr; - unsigned int phys_mem; - unsigned short speed_io, speed_attr, speed_mem; - - unsigned int irq_state; - - struct timer_list poll_timer; -}; - -struct pcmcia_low_level { - struct module *owner; - - int (*hw_init)(struct au1000_pcmcia_socket *); - void (*hw_shutdown)(struct au1000_pcmcia_socket *); - - void (*socket_state)(struct au1000_pcmcia_socket *, struct pcmcia_state *); - int (*configure_socket)(struct au1000_pcmcia_socket *, struct socket_state_t *); - - /* - * Enable card status IRQs on (re-)initialisation. This can - * be called at initialisation, power management event, or - * pcmcia event. - */ - void (*socket_init)(struct au1000_pcmcia_socket *); - - /* - * Disable card status IRQs and PCMCIA bus on suspend. - */ - void (*socket_suspend)(struct au1000_pcmcia_socket *); -}; - -extern int au1x_board_init(struct device *dev); - -#endif /* __ASM_AU1000_PCMCIA_H */ diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c deleted file mode 100644 index b239664..0000000 --- a/drivers/pcmcia/au1000_pb1x00.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * - * Alchemy Semi Pb1000 boards specific pcmcia routines. - * - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope 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., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/proc_fs.h> -#include <linux/types.h> - -#include <pcmcia/ss.h> -#include <pcmcia/cistpl.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> - -#include <asm/au1000.h> -#include <asm/au1000_pcmcia.h> - -#define debug(fmt, arg...) do { } while (0) - -#include <asm/pb1000.h> -#define PCMCIA_IRQ AU1000_GPIO_15 - -static int pb1x00_pcmcia_init(struct pcmcia_init *init) -{ - u16 pcr; - pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST; - - au_writel(0x8000, PB1000_MDR); /* clear pcmcia interrupt */ - au_sync_delay(100); - au_writel(0x4000, PB1000_MDR); /* enable pcmcia interrupt */ - au_sync(); - - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0); - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1); - au_writel(pcr, PB1000_PCR); - au_sync_delay(20); - - return PCMCIA_NUM_SOCKS; -} - -static int pb1x00_pcmcia_shutdown(void) -{ - u16 pcr; - pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST; - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0); - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1); - au_writel(pcr, PB1000_PCR); - au_sync_delay(20); - return 0; -} - -static int -pb1x00_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state) -{ - u32 inserted0, inserted1; - u16 vs0, vs1; - - vs0 = vs1 = (u16)au_readl(PB1000_ACR1); - inserted0 = !(vs0 & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2)); - inserted1 = !(vs1 & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2)); - vs0 = (vs0 >> 4) & 0x3; - vs1 = (vs1 >> 12) & 0x3; - - state->ready = 0; - state->vs_Xv = 0; - state->vs_3v = 0; - state->detect = 0; - - if (sock == 0) { - if (inserted0) { - switch (vs0) { - case 0: - case 2: - state->vs_3v=1; - break; - case 3: /* 5V */ - break; - default: - /* return without setting 'detect' */ - printk(KERN_ERR "pb1x00 bad VS (%d)\n", - vs0); - return 0; - } - state->detect = 1; - } - } - else { - if (inserted1) { - switch (vs1) { - case 0: - case 2: - state->vs_3v=1; - break; - case 3: /* 5V */ - break; - default: - /* return without setting 'detect' */ - printk(KERN_ERR "pb1x00 bad VS (%d)\n", - vs1); - return 0; - } - state->detect = 1; - } - } - - if (state->detect) { - state->ready = 1; - } - - state->bvd1=1; - state->bvd2=1; - state->wrprot=0; - return 1; -} - - -static int pb1x00_pcmcia_get_irq_info(struct pcmcia_irq_info *info) -{ - - if(info->sock > PCMCIA_MAX_SOCK) return -1; - - /* - * Even in the case of the Pb1000, both sockets are connected - * to the same irq line. - */ - info->irq = PCMCIA_IRQ; - - return 0; -} - - -static int -pb1x00_pcmcia_configure_socket(const struct pcmcia_configure *configure) -{ - u16 pcr; - - if(configure->sock > PCMCIA_MAX_SOCK) return -1; - - pcr = au_readl(PB1000_PCR); - - if (configure->sock == 0) { - pcr &= ~(PCR_SLOT_0_VCC0 | PCR_SLOT_0_VCC1 | - PCR_SLOT_0_VPP0 | PCR_SLOT_0_VPP1); - } - else { - pcr &= ~(PCR_SLOT_1_VCC0 | PCR_SLOT_1_VCC1 | - PCR_SLOT_1_VPP0 | PCR_SLOT_1_VPP1); - } - - pcr &= ~PCR_SLOT_0_RST; - debug("Vcc %dV Vpp %dV, pcr %x\n", - configure->vcc, configure->vpp, pcr); - switch(configure->vcc){ - case 0: /* Vcc 0 */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_GND, - configure->sock); - break; - case 12: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_12V, - configure->sock); - break; - case 50: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_5V, - configure->sock); - break; - case 33: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_3V, - configure->sock); - break; - default: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ, - configure->sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - case 50: /* Vcc 5V */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(VCC_5V,VPP_GND, - configure->sock); - break; - case 50: - pcr |= SET_VCC_VPP(VCC_5V,VPP_5V, - configure->sock); - break; - case 12: - pcr |= SET_VCC_VPP(VCC_5V,VPP_12V, - configure->sock); - break; - case 33: - pcr |= SET_VCC_VPP(VCC_5V,VPP_3V, - configure->sock); - break; - default: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ, - configure->sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - case 33: /* Vcc 3.3V */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(VCC_3V,VPP_GND, - configure->sock); - break; - case 50: - pcr |= SET_VCC_VPP(VCC_3V,VPP_5V, - configure->sock); - break; - case 12: - pcr |= SET_VCC_VPP(VCC_3V,VPP_12V, - configure->sock); - break; - case 33: - pcr |= SET_VCC_VPP(VCC_3V,VPP_3V, - configure->sock); - break; - default: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ, - configure->sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - default: /* what's this ? */ - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,configure->sock); - printk(KERN_ERR "%s: bad Vcc %d\n", - __func__, configure->vcc); - break; - } - - if (configure->sock == 0) { - pcr &= ~(PCR_SLOT_0_RST); - if (configure->reset) - pcr |= PCR_SLOT_0_RST; - } - else { - pcr &= ~(PCR_SLOT_1_RST); - if (configure->reset) - pcr |= PCR_SLOT_1_RST; - } - au_writel(pcr, PB1000_PCR); - au_sync_delay(300); - - return 0; -} - - -struct pcmcia_low_level pb1x00_pcmcia_ops = { - pb1x00_pcmcia_init, - pb1x00_pcmcia_shutdown, - pb1x00_pcmcia_socket_state, - pb1x00_pcmcia_get_irq_info, - pb1x00_pcmcia_configure_socket -}; diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c index 3e49df6..5b7c227 100644 --- a/drivers/pcmcia/db1xxx_ss.c +++ b/drivers/pcmcia/db1xxx_ss.c @@ -7,7 +7,7 @@ /* This is a fairly generic PCMCIA socket driver suitable for the * following Alchemy Development boards: - * Db1000, Db/Pb1500, Db/Pb1100, Db/Pb1550, Db/Pb1200. + * Db1000, Db/Pb1500, Db/Pb1100, Db/Pb1550, Db/Pb1200, Db1300 * * The Db1000 is used as a reference: Per-socket card-, carddetect- and * statuschange IRQs connected to SoC GPIOs, control and status register @@ -18,6 +18,7 @@ * - Pb1100/Pb1500: single socket only; voltage key bits VS are * at STATUS[5:4] (instead of STATUS[1:0]). * - Au1200-based: additional card-eject irqs, irqs not gpios! + * - Db1300: Db1200-like, no pwr ctrl, single socket (#1). */ #include <linux/delay.h> @@ -59,11 +60,17 @@ struct db1x_pcmcia_sock { #define BOARD_TYPE_DEFAULT 0 /* most boards */ #define BOARD_TYPE_DB1200 1 /* IRQs aren't gpios */ #define BOARD_TYPE_PB1100 2 /* VS bits slightly different */ +#define BOARD_TYPE_DB1300 3 /* no power control */ int board_type; }; #define to_db1x_socket(x) container_of(x, struct db1x_pcmcia_sock, socket) +static int db1300_card_inserted(struct db1x_pcmcia_sock *sock) +{ + return bcsr_read(BCSR_SIGSTAT) & (1 << 8); +} + /* DB/PB1200: check CPLD SIGSTATUS register bit 10/12 */ static int db1200_card_inserted(struct db1x_pcmcia_sock *sock) { @@ -84,6 +91,8 @@ static int db1x_card_inserted(struct db1x_pcmcia_sock *sock) switch (sock->board_type) { case BOARD_TYPE_DB1200: return db1200_card_inserted(sock); + case BOARD_TYPE_DB1300: + return db1300_card_inserted(sock); default: return db1000_card_inserted(sock); } @@ -160,7 +169,8 @@ static int db1x_pcmcia_setup_irqs(struct db1x_pcmcia_sock *sock) * ejection handler have been registered and the currently * active one disabled. */ - if (sock->board_type == BOARD_TYPE_DB1200) { + if ((sock->board_type == BOARD_TYPE_DB1200) || + (sock->board_type == BOARD_TYPE_DB1300)) { ret = request_irq(sock->insert_irq, db1200_pcmcia_cdirq, IRQF_DISABLED, "pcmcia_insert", sock); if (ret) @@ -174,7 +184,7 @@ static int db1x_pcmcia_setup_irqs(struct db1x_pcmcia_sock *sock) } /* enable the currently silent one */ - if (db1200_card_inserted(sock)) + if (db1x_card_inserted(sock)) enable_irq(sock->eject_irq); else enable_irq(sock->insert_irq); @@ -270,7 +280,8 @@ static int db1x_pcmcia_configure(struct pcmcia_socket *skt, } /* create new voltage code */ - cr_set |= ((v << 2) | p) << (sock->nr * 8); + if (sock->board_type != BOARD_TYPE_DB1300) + cr_set |= ((v << 2) | p) << (sock->nr * 8); changed = state->flags ^ sock->old_flags; @@ -343,6 +354,10 @@ static int db1x_pcmcia_get_status(struct pcmcia_socket *skt, /* if Vcc is not zero, we have applied power to a card */ status |= GET_VCC(cr, sock->nr) ? SS_POWERON : 0; + /* DB1300: power always on, but don't tell when no card present */ + if ((sock->board_type == BOARD_TYPE_DB1300) && (status & SS_DETECT)) + status = SS_POWERON | SS_3VCARD | SS_DETECT; + /* reset de-asserted? then we're ready */ status |= (GET_RESET(cr, sock->nr)) ? SS_READY : SS_RESET; @@ -419,6 +434,9 @@ static int __devinit db1x_pcmcia_socket_probe(struct platform_device *pdev) case BCSR_WHOAMI_PB1200 ... BCSR_WHOAMI_DB1200: sock->board_type = BOARD_TYPE_DB1200; break; + case BCSR_WHOAMI_DB1300: + sock->board_type = BOARD_TYPE_DB1300; + break; default: printk(KERN_INFO "db1xxx-ss: unknown board %d!\n", bid); ret = -ENODEV; |
