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author | Felix Fietkau <nbd@openwrt.org> | 2009-06-01 18:20:09 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-06-01 18:20:09 +0000 |
commit | 1a1dc17ca3c882f35d7c674cd95b82ddfd06a550 (patch) | |
tree | 52d87649b376d9df8917c604ba140538b6620e6a /target/linux/generic-2.6/files-2.6.23/drivers/ssb/pcmcia.c | |
parent | f81257ca34af15ae5ba6129870b4fad356709ce6 (diff) | |
download | master-31e0f0ae-1a1dc17ca3c882f35d7c674cd95b82ddfd06a550.tar.gz master-31e0f0ae-1a1dc17ca3c882f35d7c674cd95b82ddfd06a550.tar.bz2 master-31e0f0ae-1a1dc17ca3c882f35d7c674cd95b82ddfd06a550.zip |
remove some more obsolete files
SVN-Revision: 16276
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.23/drivers/ssb/pcmcia.c')
-rw-r--r-- | target/linux/generic-2.6/files-2.6.23/drivers/ssb/pcmcia.c | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/target/linux/generic-2.6/files-2.6.23/drivers/ssb/pcmcia.c b/target/linux/generic-2.6/files-2.6.23/drivers/ssb/pcmcia.c deleted file mode 100644 index 46816cda8b..0000000000 --- a/target/linux/generic-2.6/files-2.6.23/drivers/ssb/pcmcia.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * Sonics Silicon Backplane - * PCMCIA-Hostbus related functions - * - * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> - * Copyright 2007 Michael Buesch <mb@bu3sch.de> - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include <linux/ssb/ssb.h> -#include <linux/delay.h> -#include <linux/io.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/ciscode.h> -#include <pcmcia/ds.h> -#include <pcmcia/cisreg.h> - -#include "ssb_private.h" - - -/* Define the following to 1 to enable a printk on each coreswitch. */ -#define SSB_VERBOSE_PCMCIACORESWITCH_DEBUG 0 - - -int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, - u8 coreidx) -{ - struct pcmcia_device *pdev = bus->host_pcmcia; - int err; - int attempts = 0; - u32 cur_core; - conf_reg_t reg; - u32 addr; - u32 read_addr; - - addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE; - while (1) { - reg.Action = CS_WRITE; - reg.Offset = 0x2E; - reg.Value = (addr & 0x0000F000) >> 12; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - reg.Offset = 0x30; - reg.Value = (addr & 0x00FF0000) >> 16; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - reg.Offset = 0x32; - reg.Value = (addr & 0xFF000000) >> 24; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - - read_addr = 0; - - reg.Action = CS_READ; - reg.Offset = 0x2E; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - read_addr |= ((u32)(reg.Value & 0x0F)) << 12; - reg.Offset = 0x30; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - read_addr |= ((u32)reg.Value) << 16; - reg.Offset = 0x32; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - read_addr |= ((u32)reg.Value) << 24; - - cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE; - if (cur_core == coreidx) - break; - - if (attempts++ > SSB_BAR0_MAX_RETRIES) - goto error; - udelay(10); - } - - return 0; -error: - ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); - return -ENODEV; -} - -int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - int err; - -#if SSB_VERBOSE_PCMCIACORESWITCH_DEBUG - ssb_printk(KERN_INFO PFX - "Switching to %s core, index %d\n", - ssb_core_name(dev->id.coreid), - dev->core_index); -#endif - - err = ssb_pcmcia_switch_coreidx(bus, dev->core_index); - if (!err) - bus->mapped_device = dev; - - return err; -} - -int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg) -{ - int attempts = 0; - conf_reg_t reg; - int res; - - SSB_WARN_ON((seg != 0) && (seg != 1)); - reg.Offset = 0x34; - reg.Function = 0; - while (1) { - reg.Action = CS_WRITE; - reg.Value = seg; - res = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (unlikely(res != CS_SUCCESS)) - goto error; - reg.Value = 0xFF; - reg.Action = CS_READ; - res = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (unlikely(res != CS_SUCCESS)) - goto error; - - if (reg.Value == seg) - break; - - if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES)) - goto error; - udelay(10); - } - bus->mapped_pcmcia_seg = seg; - - return 0; -error: - ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n"); - return -ENODEV; -} - -static int select_core_and_segment(struct ssb_device *dev, - u16 *offset) -{ - struct ssb_bus *bus = dev->bus; - int err; - u8 need_segment; - - if (*offset >= 0x800) { - *offset -= 0x800; - need_segment = 1; - } else - need_segment = 0; - - if (unlikely(dev != bus->mapped_device)) { - err = ssb_pcmcia_switch_core(bus, dev); - if (unlikely(err)) - return err; - } - if (unlikely(need_segment != bus->mapped_pcmcia_seg)) { - err = ssb_pcmcia_switch_segment(bus, need_segment); - if (unlikely(err)) - return err; - } - - return 0; -} - -static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - unsigned long flags; - int err; - u16 value = 0xFFFF; - - spin_lock_irqsave(&bus->bar_lock, flags); - err = select_core_and_segment(dev, &offset); - if (likely(!err)) - value = readw(bus->mmio + offset); - spin_unlock_irqrestore(&bus->bar_lock, flags); - - return value; -} - -static u32 ssb_pcmcia_read32(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - unsigned long flags; - int err; - u32 lo = 0xFFFFFFFF, hi = 0xFFFFFFFF; - - spin_lock_irqsave(&bus->bar_lock, flags); - err = select_core_and_segment(dev, &offset); - if (likely(!err)) { - lo = readw(bus->mmio + offset); - hi = readw(bus->mmio + offset + 2); - } - spin_unlock_irqrestore(&bus->bar_lock, flags); - - return (lo | (hi << 16)); -} - -static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value) -{ - struct ssb_bus *bus = dev->bus; - unsigned long flags; - int err; - - spin_lock_irqsave(&bus->bar_lock, flags); - err = select_core_and_segment(dev, &offset); - if (likely(!err)) - writew(value, bus->mmio + offset); - mmiowb(); - spin_unlock_irqrestore(&bus->bar_lock, flags); -} - -static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value) -{ - struct ssb_bus *bus = dev->bus; - unsigned long flags; - int err; - - spin_lock_irqsave(&bus->bar_lock, flags); - err = select_core_and_segment(dev, &offset); - if (likely(!err)) { - writew((value & 0x0000FFFF), bus->mmio + offset); - writew(((value & 0xFFFF0000) >> 16), bus->mmio + offset + 2); - } - mmiowb(); - spin_unlock_irqrestore(&bus->bar_lock, flags); -} - -/* Not "static", as it's used in main.c */ -const struct ssb_bus_ops ssb_pcmcia_ops = { - .read16 = ssb_pcmcia_read16, - .read32 = ssb_pcmcia_read32, - .write16 = ssb_pcmcia_write16, - .write32 = ssb_pcmcia_write32, -}; - -#include <linux/etherdevice.h> -int ssb_pcmcia_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv) -{ - //TODO - random_ether_addr(iv->sprom.il0mac); - return 0; -} - -int ssb_pcmcia_init(struct ssb_bus *bus) -{ - conf_reg_t reg; - int err; - - if (bus->bustype != SSB_BUSTYPE_PCMCIA) - return 0; - - /* Switch segment to a known state and sync - * bus->mapped_pcmcia_seg with hardware state. */ - ssb_pcmcia_switch_segment(bus, 0); - - /* Init IRQ routing */ - reg.Action = CS_READ; - reg.Function = 0; - if (bus->chip_id == 0x4306) - reg.Offset = 0x00; - else - reg.Offset = 0x80; - err = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (err != CS_SUCCESS) - goto error; - reg.Action = CS_WRITE; - reg.Value |= 0x04 | 0x01; - err = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (err != CS_SUCCESS) - goto error; - - return 0; -error: - return -ENODEV; -} |