pcmcia: remove blackfin driver
The blackfin architecture is getting removed, so this one is no longer needed either. Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Aaron Wu <aaron.wu@analog.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann
Родитель
10a27a29de
Коммит
02741b8ae1
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@ -247,13 +247,6 @@ config OMAP_CF
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Say Y here to support the CompactFlash controller on OMAP.
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Note that this doesn't support "True IDE" mode.
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config BFIN_CFPCMCIA
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tristate "Blackfin CompactFlash PCMCIA Driver"
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depends on PCMCIA && BLACKFIN
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help
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Say Y here to support the CompactFlash PCMCIA driver for Blackfin.
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config AT91_CF
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tristate "AT91 CompactFlash Controller"
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depends on PCI
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@ -32,7 +32,6 @@ obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o
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obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o
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obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o
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obj-$(CONFIG_OMAP_CF) += omap_cf.o
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obj-$(CONFIG_BFIN_CFPCMCIA) += bfin_cf_pcmcia.o
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obj-$(CONFIG_AT91_CF) += at91_cf.o
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obj-$(CONFIG_ELECTRA_CF) += electra_cf.o
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obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD) += db1xxx_ss.o
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@ -1,316 +0,0 @@
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/*
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* file: drivers/pcmcia/bfin_cf.c
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*
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* based on: drivers/pcmcia/omap_cf.c
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* omap_cf.c -- OMAP 16xx CompactFlash controller driver
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*
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* Copyright (c) 2005 David Brownell
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* Copyright (c) 2006-2008 Michael Hennerich Analog Devices Inc.
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*
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* bugs: enter bugs at http://blackfin.uclinux.org/
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*
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* this program is free software; you can redistribute it and/or modify
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* it under the terms of the gnu general public license as published by
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* the free software foundation; either version 2, or (at your option)
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* 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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*
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* you should have received a copy of the gnu general public license
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* along with this program; see the file copying.
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* if not, write to the free software foundation,
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* 59 temple place - suite 330, boston, ma 02111-1307, usa.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/platform_device.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <pcmcia/ss.h>
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#include <pcmcia/cisreg.h>
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#define SZ_1K 0x00000400
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#define SZ_8K 0x00002000
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#define SZ_2K (2 * SZ_1K)
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#define POLL_INTERVAL (2 * HZ)
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#define CF_ATASEL_ENA 0x20311802 /* Inverts RESET */
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#define CF_ATASEL_DIS 0x20311800
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#define bfin_cf_present(pfx) (gpio_get_value(pfx))
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/*--------------------------------------------------------------------------*/
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static const char driver_name[] = "bfin_cf_pcmcia";
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struct bfin_cf_socket {
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struct pcmcia_socket socket;
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struct timer_list timer;
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unsigned present:1;
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unsigned active:1;
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struct platform_device *pdev;
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unsigned long phys_cf_io;
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unsigned long phys_cf_attr;
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u_int irq;
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u_short cd_pfx;
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};
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/*--------------------------------------------------------------------------*/
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static int bfin_cf_reset(void)
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{
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outw(0, CF_ATASEL_ENA);
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mdelay(200);
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outw(0, CF_ATASEL_DIS);
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return 0;
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}
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static int bfin_cf_ss_init(struct pcmcia_socket *s)
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{
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return 0;
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}
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/* the timer is primarily to kick this socket's pccardd */
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static void bfin_cf_timer(struct timer_list *t)
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{
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struct bfin_cf_socket *cf = from_timer(cf, t, timer);
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unsigned short present = bfin_cf_present(cf->cd_pfx);
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if (present != cf->present) {
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cf->present = present;
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dev_dbg(&cf->pdev->dev, ": card %s\n",
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present ? "present" : "gone");
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pcmcia_parse_events(&cf->socket, SS_DETECT);
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}
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if (cf->active)
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mod_timer(&cf->timer, jiffies + POLL_INTERVAL);
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}
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static int bfin_cf_get_status(struct pcmcia_socket *s, u_int *sp)
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{
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struct bfin_cf_socket *cf;
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if (!sp)
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return -EINVAL;
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cf = container_of(s, struct bfin_cf_socket, socket);
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if (bfin_cf_present(cf->cd_pfx)) {
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*sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD;
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s->pcmcia_irq = 0;
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s->pci_irq = cf->irq;
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} else
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*sp = 0;
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return 0;
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}
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static int
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bfin_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s)
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{
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struct bfin_cf_socket *cf;
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cf = container_of(sock, struct bfin_cf_socket, socket);
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switch (s->Vcc) {
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case 0:
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case 33:
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break;
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case 50:
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break;
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default:
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return -EINVAL;
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}
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if (s->flags & SS_RESET) {
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disable_irq(cf->irq);
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bfin_cf_reset();
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enable_irq(cf->irq);
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}
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dev_dbg(&cf->pdev->dev, ": Vcc %d, io_irq %d, flags %04x csc %04x\n",
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s->Vcc, s->io_irq, s->flags, s->csc_mask);
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return 0;
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}
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static int bfin_cf_ss_suspend(struct pcmcia_socket *s)
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{
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return bfin_cf_set_socket(s, &dead_socket);
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}
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/* regions are 2K each: mem, attrib, io (and reserved-for-ide) */
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static int bfin_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
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{
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struct bfin_cf_socket *cf;
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cf = container_of(s, struct bfin_cf_socket, socket);
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io->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT;
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io->start = cf->phys_cf_io;
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io->stop = io->start + SZ_2K - 1;
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return 0;
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}
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static int
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bfin_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map)
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{
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struct bfin_cf_socket *cf;
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if (map->card_start)
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return -EINVAL;
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cf = container_of(s, struct bfin_cf_socket, socket);
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map->static_start = cf->phys_cf_io;
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map->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT;
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if (map->flags & MAP_ATTRIB)
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map->static_start = cf->phys_cf_attr;
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return 0;
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}
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static struct pccard_operations bfin_cf_ops = {
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.init = bfin_cf_ss_init,
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.suspend = bfin_cf_ss_suspend,
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.get_status = bfin_cf_get_status,
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.set_socket = bfin_cf_set_socket,
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.set_io_map = bfin_cf_set_io_map,
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.set_mem_map = bfin_cf_set_mem_map,
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};
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/*--------------------------------------------------------------------------*/
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static int bfin_cf_probe(struct platform_device *pdev)
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{
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struct bfin_cf_socket *cf;
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struct resource *io_mem, *attr_mem;
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int irq;
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unsigned short cd_pfx;
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int status = 0;
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dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n");
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irq = platform_get_irq(pdev, 0);
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if (irq <= 0)
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return -EINVAL;
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cd_pfx = platform_get_irq(pdev, 1); /*Card Detect GPIO PIN */
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if (gpio_request(cd_pfx, "pcmcia: CD")) {
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dev_err(&pdev->dev,
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"Failed ro request Card Detect GPIO_%d\n",
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cd_pfx);
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return -EBUSY;
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}
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gpio_direction_input(cd_pfx);
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cf = kzalloc(sizeof *cf, GFP_KERNEL);
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if (!cf) {
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gpio_free(cd_pfx);
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return -ENOMEM;
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}
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cf->cd_pfx = cd_pfx;
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timer_setup(&cf->timer, bfin_cf_timer, 0);
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cf->pdev = pdev;
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platform_set_drvdata(pdev, cf);
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cf->irq = irq;
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cf->socket.pci_irq = irq;
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irq_set_irq_type(irq, IRQF_TRIGGER_LOW);
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io_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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attr_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
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if (!io_mem || !attr_mem)
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goto fail0;
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cf->phys_cf_io = io_mem->start;
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cf->phys_cf_attr = attr_mem->start;
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/* pcmcia layer only remaps "real" memory */
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cf->socket.io_offset = (unsigned long)
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ioremap(cf->phys_cf_io, SZ_2K);
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if (!cf->socket.io_offset)
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goto fail0;
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dev_err(&pdev->dev, ": on irq %d\n", irq);
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dev_dbg(&pdev->dev, ": %s\n",
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bfin_cf_present(cf->cd_pfx) ? "present" : "(not present)");
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cf->socket.owner = THIS_MODULE;
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cf->socket.dev.parent = &pdev->dev;
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cf->socket.ops = &bfin_cf_ops;
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cf->socket.resource_ops = &pccard_static_ops;
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cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP
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| SS_CAP_MEM_ALIGN;
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cf->socket.map_size = SZ_2K;
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status = pcmcia_register_socket(&cf->socket);
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if (status < 0)
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goto fail2;
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cf->active = 1;
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mod_timer(&cf->timer, jiffies + POLL_INTERVAL);
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return 0;
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fail2:
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iounmap((void __iomem *)cf->socket.io_offset);
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release_mem_region(cf->phys_cf_io, SZ_8K);
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fail0:
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gpio_free(cf->cd_pfx);
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kfree(cf);
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platform_set_drvdata(pdev, NULL);
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return status;
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}
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static int bfin_cf_remove(struct platform_device *pdev)
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{
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struct bfin_cf_socket *cf = platform_get_drvdata(pdev);
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gpio_free(cf->cd_pfx);
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cf->active = 0;
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pcmcia_unregister_socket(&cf->socket);
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del_timer_sync(&cf->timer);
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iounmap((void __iomem *)cf->socket.io_offset);
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release_mem_region(cf->phys_cf_io, SZ_8K);
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platform_set_drvdata(pdev, NULL);
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kfree(cf);
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return 0;
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}
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static struct platform_driver bfin_cf_driver = {
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.driver = {
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.name = driver_name,
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},
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.probe = bfin_cf_probe,
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.remove = bfin_cf_remove,
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};
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module_platform_driver(bfin_cf_driver);
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MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
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MODULE_DESCRIPTION("BFIN CF/PCMCIA Driver");
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MODULE_LICENSE("GPL");
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