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authorManuel Lauss <manuel.lauss@googlemail.com>2009-10-04 14:55:29 +0200
committerRalf Baechle <ralf@linux-mips.org>2010-02-27 12:52:51 +0100
commit0273b4efccd3bc2b2ef5ea9778e71d8efbbb7ac7 (patch)
treec67c6fb5ff0aa4a0201676374b252ea60475235c /drivers/pcmcia/au1000_xxs1500.c
parentMIPS: Alchemy: devboards: wire up new PCMCIA driver. (diff)
downloadlinux-0273b4efccd3bc2b2ef5ea9778e71d8efbbb7ac7.tar.xz
linux-0273b4efccd3bc2b2ef5ea9778e71d8efbbb7ac7.zip
MIPS: Alchemy: XXS1500 PCMCIA driver rewrite
Rewritten XXS1500 PCMCIA socket driver, standalone (doesn't depend on au1000_generic.c) and added carddetect IRQ support. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Florian Fainelli <florian@openwrt.org> Cc: Linux-PCMCIA <linux-pcmcia@lists.infradead.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/pcmcia/au1000_xxs1500.c')
-rw-r--r--drivers/pcmcia/au1000_xxs1500.c188
1 files changed, 0 insertions, 188 deletions
diff --git a/drivers/pcmcia/au1000_xxs1500.c b/drivers/pcmcia/au1000_xxs1500.c
deleted file mode 100644
index b43d47b50819..000000000000
--- a/drivers/pcmcia/au1000_xxs1500.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- *
- * MyCable board specific pcmcia routines.
- *
- * Copyright 2003 MontaVista Software Inc.
- * Author: Pete Popov, 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/cs_types.h>
-#include <pcmcia/cs.h>
-#include <pcmcia/ss.h>
-#include <pcmcia/cistpl.h>
-#include <pcmcia/bus_ops.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-
-#include <asm/au1000.h>
-#include <asm/au1000_pcmcia.h>
-
-#define PCMCIA_MAX_SOCK 0
-#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
-#define PCMCIA_IRQ AU1000_GPIO_4
-
-#if 0
-#define DEBUG(x, args...) printk(__func__ ": " x, ##args)
-#else
-#define DEBUG(x,args...)
-#endif
-
-static int xxs1500_pcmcia_init(struct pcmcia_init *init)
-{
- return PCMCIA_NUM_SOCKS;
-}
-
-static int xxs1500_pcmcia_shutdown(void)
-{
- /* turn off power */
- au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
- GPIO2_OUTPUT);
- au_sync_delay(100);
-
- /* assert reset */
- au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
- GPIO2_OUTPUT);
- au_sync_delay(100);
- return 0;
-}
-
-
-static int
-xxs1500_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
-{
- u32 inserted; u32 vs;
- unsigned long gpio, gpio2;
-
- if(sock > PCMCIA_MAX_SOCK) return -1;
-
- gpio = au_readl(SYS_PINSTATERD);
- gpio2 = au_readl(GPIO2_PINSTATE);
-
- vs = gpio2 & ((1<<8) | (1<<9));
- inserted = (!(gpio & 0x1) && !(gpio & 0x2));
-
- state->ready = 0;
- state->vs_Xv = 0;
- state->vs_3v = 0;
- state->detect = 0;
-
- if (inserted) {
- switch (vs) {
- case 0:
- case 1:
- case 2:
- state->vs_3v=1;
- break;
- case 3: /* 5V */
- default:
- /* return without setting 'detect' */
- printk(KERN_ERR "au1x00_cs: unsupported VS\n",
- vs);
- return;
- }
- state->detect = 1;
- }
-
- if (state->detect) {
- state->ready = 1;
- }
-
- state->bvd1= gpio2 & (1<<10);
- state->bvd2 = gpio2 & (1<<11);
- state->wrprot=0;
- return 1;
-}
-
-
-static int xxs1500_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
-{
-
- if(info->sock > PCMCIA_MAX_SOCK) return -1;
- info->irq = PCMCIA_IRQ;
- return 0;
-}
-
-
-static int
-xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
-{
-
- if(configure->sock > PCMCIA_MAX_SOCK) return -1;
-
- DEBUG("Vcc %dV Vpp %dV, reset %d\n",
- configure->vcc, configure->vpp, configure->reset);
-
- switch(configure->vcc){
- case 33: /* Vcc 3.3V */
- /* turn on power */
- DEBUG("turn on power\n");
- au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30),
- GPIO2_OUTPUT);
- au_sync_delay(100);
- break;
- case 50: /* Vcc 5V */
- default: /* what's this ? */
- printk(KERN_ERR "au1x00_cs: unsupported VCC\n");
- case 0: /* Vcc 0 */
- /* turn off power */
- au_sync_delay(100);
- au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
- GPIO2_OUTPUT);
- break;
- }
-
- if (!configure->reset) {
- DEBUG("deassert reset\n");
- au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<4))|(1<<20),
- GPIO2_OUTPUT);
- au_sync_delay(100);
- au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<5))|(1<<21),
- GPIO2_OUTPUT);
- }
- else {
- DEBUG("assert reset\n");
- au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
- GPIO2_OUTPUT);
- }
- au_sync_delay(100);
- return 0;
-}
-
-struct pcmcia_low_level xxs1500_pcmcia_ops = {
- xxs1500_pcmcia_init,
- xxs1500_pcmcia_shutdown,
- xxs1500_pcmcia_socket_state,
- xxs1500_pcmcia_get_irq_info,
- xxs1500_pcmcia_configure_socket
-};