diff options
Diffstat (limited to 'package/linux/kernel-source/drivers/pcmcia/bcm4710_pcmcia.c')
| -rw-r--r-- | package/linux/kernel-source/drivers/pcmcia/bcm4710_pcmcia.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/package/linux/kernel-source/drivers/pcmcia/bcm4710_pcmcia.c b/package/linux/kernel-source/drivers/pcmcia/bcm4710_pcmcia.c deleted file mode 100644 index 6e3da040c8..0000000000 --- a/package/linux/kernel-source/drivers/pcmcia/bcm4710_pcmcia.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * BCM4710 specific pcmcia routines. - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/config.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/tqueue.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/proc_fs.h> -#include <linux/version.h> -#include <linux/types.h> -#include <linux/pci.h> - -#include <pcmcia/version.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/ss.h> -#include <pcmcia/bulkmem.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/bus_ops.h> -#include "cs_internal.h" - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> - - -#include <typedefs.h> -#include <bcmdevs.h> -#include <bcm4710.h> -#include <sbconfig.h> -#include <sbextif.h> - -#include "bcm4710pcmcia.h" - -/* Use a static var for irq dev_id */ -static int bcm47xx_pcmcia_dev_id; - -/* Do we think we have a card or not? */ -static int bcm47xx_pcmcia_present = 0; - - -static void bcm4710_pcmcia_reset(void) -{ - extifregs_t *eir; - unsigned long s; - uint32 out0, out1, outen; - - - eir = (extifregs_t *) ioremap_nocache(BCM4710_REG_EXTIF, sizeof(extifregs_t)); - - save_and_cli(s); - - /* Use gpio7 to reset the pcmcia slot */ - outen = readl(&eir->gpio[0].outen); - outen |= BCM47XX_PCMCIA_RESET; - out0 = readl(&eir->gpio[0].out); - out0 &= ~(BCM47XX_PCMCIA_RESET); - out1 = out0 | BCM47XX_PCMCIA_RESET; - - writel(out0, &eir->gpio[0].out); - writel(outen, &eir->gpio[0].outen); - mdelay(1); - writel(out1, &eir->gpio[0].out); - mdelay(1); - writel(out0, &eir->gpio[0].out); - - restore_flags(s); -} - - -static int bcm4710_pcmcia_init(struct pcmcia_init *init) -{ - struct pci_dev *pdev; - extifregs_t *eir; - uint32 outen, intp, intm, tmp; - uint16 *attrsp; - int rc = 0, i; - extern unsigned long bcm4710_cpu_cycle; - - - if (!(pdev = pci_find_device(VENDOR_BROADCOM, SB_EXTIF, NULL))) { - printk(KERN_ERR "bcm4710_pcmcia: extif not found\n"); - return -ENODEV; - } - eir = (extifregs_t *) ioremap_nocache(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); - - /* Initialize the pcmcia i/f: 16bit no swap */ - writel(CF_EM_PCMCIA | CF_DS | CF_EN, &eir->pcmcia_config); - -#ifdef notYet - - /* Set the timing for memory accesses */ - tmp = (19 / bcm4710_cpu_cycle) << 24; /* W3 = 10nS */ - tmp = tmp | ((29 / bcm4710_cpu_cycle) << 16); /* W2 = 20nS */ - tmp = tmp | ((109 / bcm4710_cpu_cycle) << 8); /* W1 = 100nS */ - tmp = tmp | (129 / bcm4710_cpu_cycle); /* W0 = 120nS */ - writel(tmp, &eir->pcmcia_memwait); /* 0x01020a0c for a 100Mhz clock */ - - /* Set the timing for I/O accesses */ - tmp = (19 / bcm4710_cpu_cycle) << 24; /* W3 = 10nS */ - tmp = tmp | ((29 / bcm4710_cpu_cycle) << 16); /* W2 = 20nS */ - tmp = tmp | ((109 / bcm4710_cpu_cycle) << 8); /* W1 = 100nS */ - tmp = tmp | (129 / bcm4710_cpu_cycle); /* W0 = 120nS */ - writel(tmp, &eir->pcmcia_iowait); /* 0x01020a0c for a 100Mhz clock */ - - /* Set the timing for attribute accesses */ - tmp = (19 / bcm4710_cpu_cycle) << 24; /* W3 = 10nS */ - tmp = tmp | ((29 / bcm4710_cpu_cycle) << 16); /* W2 = 20nS */ - tmp = tmp | ((109 / bcm4710_cpu_cycle) << 8); /* W1 = 100nS */ - tmp = tmp | (129 / bcm4710_cpu_cycle); /* W0 = 120nS */ - writel(tmp, &eir->pcmcia_attrwait); /* 0x01020a0c for a 100Mhz clock */ - -#endif - /* Make sure gpio0 and gpio5 are inputs */ - outen = readl(&eir->gpio[0].outen); - outen &= ~(BCM47XX_PCMCIA_WP | BCM47XX_PCMCIA_STSCHG | BCM47XX_PCMCIA_RESET); - writel(outen, &eir->gpio[0].outen); - - /* Issue a reset to the pcmcia socket */ - bcm4710_pcmcia_reset(); - -#ifdef DO_BCM47XX_PCMCIA_INTERRUPTS - /* Setup gpio5 to be the STSCHG interrupt */ - intp = readl(&eir->gpiointpolarity); - writel(intp | BCM47XX_PCMCIA_STSCHG, &eir->gpiointpolarity); /* Active low */ - intm = readl(&eir->gpiointmask); - writel(intm | BCM47XX_PCMCIA_STSCHG, &eir->gpiointmask); /* Enable it */ -#endif - - DEBUG(2, "bcm4710_pcmcia after reset:\n"); - DEBUG(2, "\textstatus\t= 0x%08x:\n", readl(&eir->extstatus)); - DEBUG(2, "\tpcmcia_config\t= 0x%08x:\n", readl(&eir->pcmcia_config)); - DEBUG(2, "\tpcmcia_memwait\t= 0x%08x:\n", readl(&eir->pcmcia_memwait)); - DEBUG(2, "\tpcmcia_attrwait\t= 0x%08x:\n", readl(&eir->pcmcia_attrwait)); - DEBUG(2, "\tpcmcia_iowait\t= 0x%08x:\n", readl(&eir->pcmcia_iowait)); - DEBUG(2, "\tgpioin\t\t= 0x%08x:\n", readl(&eir->gpioin)); - DEBUG(2, "\tgpio_outen0\t= 0x%08x:\n", readl(&eir->gpio[0].outen)); - DEBUG(2, "\tgpio_out0\t= 0x%08x:\n", readl(&eir->gpio[0].out)); - DEBUG(2, "\tgpiointpolarity\t= 0x%08x:\n", readl(&eir->gpiointpolarity)); - DEBUG(2, "\tgpiointmask\t= 0x%08x:\n", readl(&eir->gpiointmask)); - -#ifdef DO_BCM47XX_PCMCIA_INTERRUPTS - /* Request pcmcia interrupt */ - rc = request_irq(BCM47XX_PCMCIA_IRQ, init->handler, SA_INTERRUPT, - "PCMCIA Interrupt", &bcm47xx_pcmcia_dev_id); -#endif - - attrsp = (uint16 *)ioremap_nocache(EXTIF_PCMCIA_CFGBASE(BCM4710_EXTIF), 0x1000); - tmp = readw(&attrsp[0]); - DEBUG(2, "\tattr[0] = 0x%04x\n", tmp); - if ((tmp == 0x7fff) || (tmp == 0x7f00)) { - bcm47xx_pcmcia_present = 0; - } else { - bcm47xx_pcmcia_present = 1; - } - - /* There's only one socket */ - return 1; -} - -static int bcm4710_pcmcia_shutdown(void) -{ - extifregs_t *eir; - uint32 intm; - - eir = (extifregs_t *) ioremap_nocache(BCM4710_REG_EXTIF, sizeof(extifregs_t)); - - /* Disable the pcmcia i/f */ - writel(0, &eir->pcmcia_config); - - /* Reset gpio's */ - intm = readl(&eir->gpiointmask); - writel(intm & ~BCM47XX_PCMCIA_STSCHG, &eir->gpiointmask); /* Disable it */ - - free_irq(BCM47XX_PCMCIA_IRQ, &bcm47xx_pcmcia_dev_id); - - return 0; -} - -static int -bcm4710_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state) -{ - extifregs_t *eir; - - eir = (extifregs_t *) ioremap_nocache(BCM4710_REG_EXTIF, sizeof(extifregs_t)); - - - if (sock != 0) { - printk(KERN_ERR "bcm4710 socket_state bad sock %d\n", sock); - return -1; - } - - if (bcm47xx_pcmcia_present) { - state->detect = 1; - state->ready = 1; - state->bvd1 = 1; - state->bvd2 = 1; - state->wrprot = (readl(&eir->gpioin) & BCM47XX_PCMCIA_WP) == BCM47XX_PCMCIA_WP; - state->vs_3v = 0; - state->vs_Xv = 0; - } else { - state->detect = 0; - state->ready = 0; - } - - return 1; -} - - -static int bcm4710_pcmcia_get_irq_info(struct pcmcia_irq_info *info) -{ - if (info->sock >= BCM47XX_PCMCIA_MAX_SOCK) return -1; - - info->irq = BCM47XX_PCMCIA_IRQ; - - return 0; -} - - -static int -bcm4710_pcmcia_configure_socket(const struct pcmcia_configure *configure) -{ - if (configure->sock >= BCM47XX_PCMCIA_MAX_SOCK) return -1; - - - DEBUG(2, "Vcc %dV Vpp %dV output %d speaker %d reset %d\n", configure->vcc, - configure->vpp, configure->output, configure->speaker, configure->reset); - - if ((configure->vcc != 50) || (configure->vpp != 50)) { - printk("%s: bad Vcc/Vpp (%d:%d)\n", __FUNCTION__, configure->vcc, - configure->vpp); - } - - if (configure->reset) { - /* Issue a reset to the pcmcia socket */ - DEBUG(1, "%s: Reseting socket\n", __FUNCTION__); - bcm4710_pcmcia_reset(); - } - - - return 0; -} - -struct pcmcia_low_level bcm4710_pcmcia_ops = { - bcm4710_pcmcia_init, - bcm4710_pcmcia_shutdown, - bcm4710_pcmcia_socket_state, - bcm4710_pcmcia_get_irq_info, - bcm4710_pcmcia_configure_socket -}; - |