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path: root/drivers/ssb/pcmcia.c
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-rw-r--r--drivers/ssb/pcmcia.c518
1 files changed, 458 insertions, 60 deletions
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 84b3a845a8a..cd49f7c6553 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -3,7 +3,7 @@
* PCMCIA-Hostbus related functions
*
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2007 Michael Buesch <mb@bu3sch.de>
+ * Copyright 2007-2008 Michael Buesch <mb@bu3sch.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -11,6 +11,7 @@
#include <linux/ssb/ssb.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/etherdevice.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
@@ -26,59 +27,132 @@
#define SSB_VERBOSE_PCMCIACORESWITCH_DEBUG 0
+/* PCMCIA configuration registers */
+#define SSB_PCMCIA_CORECTL 0x00
+#define SSB_PCMCIA_CORECTL_RESET 0x80 /* Core reset */
+#define SSB_PCMCIA_CORECTL_IRQEN 0x04 /* IRQ enable */
+#define SSB_PCMCIA_CORECTL_FUNCEN 0x01 /* Function enable */
+#define SSB_PCMCIA_CORECTL2 0x80
+#define SSB_PCMCIA_ADDRESS0 0x2E
+#define SSB_PCMCIA_ADDRESS1 0x30
+#define SSB_PCMCIA_ADDRESS2 0x32
+#define SSB_PCMCIA_MEMSEG 0x34
+#define SSB_PCMCIA_SPROMCTL 0x36
+#define SSB_PCMCIA_SPROMCTL_IDLE 0
+#define SSB_PCMCIA_SPROMCTL_WRITE 1
+#define SSB_PCMCIA_SPROMCTL_READ 2
+#define SSB_PCMCIA_SPROMCTL_WRITEEN 4
+#define SSB_PCMCIA_SPROMCTL_WRITEDIS 7
+#define SSB_PCMCIA_SPROMCTL_DONE 8
+#define SSB_PCMCIA_SPROM_DATALO 0x38
+#define SSB_PCMCIA_SPROM_DATAHI 0x3A
+#define SSB_PCMCIA_SPROM_ADDRLO 0x3C
+#define SSB_PCMCIA_SPROM_ADDRHI 0x3E
+
+/* Hardware invariants CIS tuples */
+#define SSB_PCMCIA_CIS 0x80
+#define SSB_PCMCIA_CIS_ID 0x01
+#define SSB_PCMCIA_CIS_BOARDREV 0x02
+#define SSB_PCMCIA_CIS_PA 0x03
+#define SSB_PCMCIA_CIS_PA_PA0B0_LO 0
+#define SSB_PCMCIA_CIS_PA_PA0B0_HI 1
+#define SSB_PCMCIA_CIS_PA_PA0B1_LO 2
+#define SSB_PCMCIA_CIS_PA_PA0B1_HI 3
+#define SSB_PCMCIA_CIS_PA_PA0B2_LO 4
+#define SSB_PCMCIA_CIS_PA_PA0B2_HI 5
+#define SSB_PCMCIA_CIS_PA_ITSSI 6
+#define SSB_PCMCIA_CIS_PA_MAXPOW 7
+#define SSB_PCMCIA_CIS_OEMNAME 0x04
+#define SSB_PCMCIA_CIS_CCODE 0x05
+#define SSB_PCMCIA_CIS_ANTENNA 0x06
+#define SSB_PCMCIA_CIS_ANTGAIN 0x07
+#define SSB_PCMCIA_CIS_BFLAGS 0x08
+#define SSB_PCMCIA_CIS_LEDS 0x09
+
+/* PCMCIA SPROM size. */
+#define SSB_PCMCIA_SPROM_SIZE 256
+#define SSB_PCMCIA_SPROM_SIZE_BYTES (SSB_PCMCIA_SPROM_SIZE * sizeof(u16))
+
+
+/* Write to a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_write(struct ssb_bus *bus, u8 offset, u8 value)
+{
+ conf_reg_t reg;
+ int res;
+
+ memset(&reg, 0, sizeof(reg));
+ reg.Offset = offset;
+ reg.Action = CS_WRITE;
+ reg.Value = value;
+ res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
+ if (unlikely(res != CS_SUCCESS))
+ return -EBUSY;
+
+ return 0;
+}
+
+/* Read from a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_read(struct ssb_bus *bus, u8 offset, u8 *value)
+{
+ conf_reg_t reg;
+ int res;
+
+ memset(&reg, 0, sizeof(reg));
+ reg.Offset = offset;
+ reg.Action = CS_READ;
+ res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
+ if (unlikely(res != CS_SUCCESS))
+ return -EBUSY;
+ *value = reg.Value;
+
+ return 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;
+ u8 val;
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, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS0,
+ (addr & 0x0000F000) >> 12);
+ if (err)
goto error;
- reg.Offset = 0x30;
- reg.Value = (addr & 0x00FF0000) >> 16;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS1,
+ (addr & 0x00FF0000) >> 16);
+ if (err)
goto error;
- reg.Offset = 0x32;
- reg.Value = (addr & 0xFF000000) >> 24;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS2,
+ (addr & 0xFF000000) >> 24);
+ if (err)
goto error;
read_addr = 0;
- reg.Action = CS_READ;
- reg.Offset = 0x2E;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS0, &val);
+ if (err)
goto error;
- read_addr |= ((u32)(reg.Value & 0x0F)) << 12;
- reg.Offset = 0x30;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ read_addr |= ((u32)(val & 0x0F)) << 12;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS1, &val);
+ if (err)
goto error;
- read_addr |= ((u32)reg.Value) << 16;
- reg.Offset = 0x32;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ read_addr |= ((u32)val) << 16;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS2, &val);
+ if (err)
goto error;
- read_addr |= ((u32)reg.Value) << 24;
+ read_addr |= ((u32)val) << 24;
cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE;
if (cur_core == coreidx)
break;
+ err = -ETIMEDOUT;
if (attempts++ > SSB_BAR0_MAX_RETRIES)
goto error;
udelay(10);
@@ -87,7 +161,7 @@ int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
return 0;
error:
ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
- return -ENODEV;
+ return err;
}
int ssb_pcmcia_switch_core(struct ssb_bus *bus,
@@ -112,27 +186,21 @@ int ssb_pcmcia_switch_core(struct ssb_bus *bus,
int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
{
int attempts = 0;
- conf_reg_t reg;
- int res;
+ int err;
+ u8 val;
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, &reg);
- if (unlikely(res != CS_SUCCESS))
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_MEMSEG, seg);
+ if (err)
goto error;
- reg.Value = 0xFF;
- reg.Action = CS_READ;
- res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (unlikely(res != CS_SUCCESS))
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_MEMSEG, &val);
+ if (err)
goto error;
-
- if (reg.Value == seg)
+ if (val == seg)
break;
+ err = -ETIMEDOUT;
if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES))
goto error;
udelay(10);
@@ -142,7 +210,7 @@ int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
return 0;
error:
ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n");
- return -ENODEV;
+ return err;
}
static int select_core_and_segment(struct ssb_device *dev,
@@ -276,18 +344,344 @@ const struct ssb_bus_ops ssb_pcmcia_ops = {
.write32 = ssb_pcmcia_write32,
};
-#include <linux/etherdevice.h>
+static int ssb_pcmcia_sprom_command(struct ssb_bus *bus, u8 command)
+{
+ unsigned int i;
+ int err;
+ u8 value;
+
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROMCTL, command);
+ if (err)
+ return err;
+ for (i = 0; i < 1000; i++) {
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROMCTL, &value);
+ if (err)
+ return err;
+ if (value & SSB_PCMCIA_SPROMCTL_DONE)
+ return 0;
+ udelay(10);
+ }
+
+ return -ETIMEDOUT;
+}
+
+/* offset is the 16bit word offset */
+static int ssb_pcmcia_sprom_read(struct ssb_bus *bus, u16 offset, u16 *value)
+{
+ int err;
+ u8 lo, hi;
+
+ offset *= 2; /* Make byte offset */
+
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
+ (offset & 0x00FF));
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
+ (offset & 0xFF00) >> 8);
+ if (err)
+ return err;
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_READ);
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATALO, &lo);
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATAHI, &hi);
+ if (err)
+ return err;
+ *value = (lo | (((u16)hi) << 8));
+
+ return 0;
+}
+
+/* offset is the 16bit word offset */
+static int ssb_pcmcia_sprom_write(struct ssb_bus *bus, u16 offset, u16 value)
+{
+ int err;
+
+ offset *= 2; /* Make byte offset */
+
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
+ (offset & 0x00FF));
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
+ (offset & 0xFF00) >> 8);
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATALO,
+ (value & 0x00FF));
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATAHI,
+ (value & 0xFF00) >> 8);
+ if (err)
+ return err;
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITE);
+ if (err)
+ return err;
+ msleep(20);
+
+ return 0;
+}
+
+/* Read the SPROM image. bufsize is in 16bit words. */
+static int ssb_pcmcia_sprom_read_all(struct ssb_bus *bus, u16 *sprom)
+{
+ int err, i;
+
+ for (i = 0; i < SSB_PCMCIA_SPROM_SIZE; i++) {
+ err = ssb_pcmcia_sprom_read(bus, i, &sprom[i]);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Write the SPROM image. size is in 16bit words. */
+static int ssb_pcmcia_sprom_write_all(struct ssb_bus *bus, const u16 *sprom)
+{
+ int i, err;
+ bool failed = 0;
+ size_t size = SSB_PCMCIA_SPROM_SIZE;
+
+ ssb_printk(KERN_NOTICE PFX
+ "Writing SPROM. Do NOT turn off the power! "
+ "Please stand by...\n");
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEEN);
+ if (err) {
+ ssb_printk(KERN_NOTICE PFX
+ "Could not enable SPROM write access.\n");
+ return -EBUSY;
+ }
+ ssb_printk(KERN_NOTICE PFX "[ 0%%");
+ msleep(500);
+ for (i = 0; i < size; i++) {
+ if (i == size / 4)
+ ssb_printk("25%%");
+ else if (i == size / 2)
+ ssb_printk("50%%");
+ else if (i == (size * 3) / 4)
+ ssb_printk("75%%");
+ else if (i % 2)
+ ssb_printk(".");
+ err = ssb_pcmcia_sprom_write(bus, i, sprom[i]);
+ if (err) {
+ ssb_printk("\n" KERN_NOTICE PFX
+ "Failed to write to SPROM.\n");
+ failed = 1;
+ break;
+ }
+ }
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEDIS);
+ if (err) {
+ ssb_printk("\n" KERN_NOTICE PFX
+ "Could not disable SPROM write access.\n");
+ failed = 1;
+ }
+ msleep(500);
+ if (!failed) {
+ ssb_printk("100%% ]\n");
+ ssb_printk(KERN_NOTICE PFX "SPROM written.\n");
+ }
+
+ return failed ? -EBUSY : 0;
+}
+
+static int ssb_pcmcia_sprom_check_crc(const u16 *sprom, size_t size)
+{
+ //TODO
+ return 0;
+}
+
+#define GOTO_ERROR_ON(condition, description) do { \
+ if (unlikely(condition)) { \
+ error_description = description; \
+ goto error; \
+ } \
+ } while (0)
+
int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv)
{
- //TODO
- random_ether_addr(iv->sprom.il0mac);
+ tuple_t tuple;
+ int res;
+ unsigned char buf[32];
+ struct ssb_sprom *sprom = &iv->sprom;
+ struct ssb_boardinfo *bi = &iv->boardinfo;
+ const char *error_description;
+
+ memset(sprom, 0xFF, sizeof(*sprom));
+ sprom->revision = 1;
+ sprom->boardflags_lo = 0;
+ sprom->boardflags_hi = 0;
+
+ /* First fetch the MAC address. */
+ memset(&tuple, 0, sizeof(tuple));
+ tuple.DesiredTuple = CISTPL_FUNCE;
+ tuple.TupleData = buf;
+ tuple.TupleDataMax = sizeof(buf);
+ res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl data");
+ while (1) {
+ GOTO_ERROR_ON(tuple.TupleDataLen < 1, "MAC tpl < 1");
+ if (tuple.TupleData[0] == CISTPL_FUNCE_LAN_NODE_ID)
+ break;
+ res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl data");
+ }
+ GOTO_ERROR_ON(tuple.TupleDataLen != ETH_ALEN + 2, "MAC tpl size");
+ memcpy(sprom->il0mac, &tuple.TupleData[2], ETH_ALEN);
+
+ /* Fetch the vendor specific tuples. */
+ memset(&tuple, 0, sizeof(tuple));
+ tuple.DesiredTuple = SSB_PCMCIA_CIS;
+ tuple.TupleData = buf;
+ tuple.TupleDataMax = sizeof(buf);
+ res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl data");
+ while (1) {
+ GOTO_ERROR_ON(tuple.TupleDataLen < 1, "VEN tpl < 1");
+ switch (tuple.TupleData[0]) {
+ case SSB_PCMCIA_CIS_ID:
+ GOTO_ERROR_ON((tuple.TupleDataLen != 5) &&
+ (tuple.TupleDataLen != 7),
+ "id tpl size");
+ bi->vendor = tuple.TupleData[1] |
+ ((u16)tuple.TupleData[2] << 8);
+ break;
+ case SSB_PCMCIA_CIS_BOARDREV:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "boardrev tpl size");
+ sprom->board_rev = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_PA:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 9,
+ "pa tpl size");
+ sprom->pa0b0 = tuple.TupleData[1] |
+ ((u16)tuple.TupleData[2] << 8);
+ sprom->pa0b1 = tuple.TupleData[3] |
+ ((u16)tuple.TupleData[4] << 8);
+ sprom->pa0b2 = tuple.TupleData[5] |
+ ((u16)tuple.TupleData[6] << 8);
+ sprom->itssi_a = tuple.TupleData[7];
+ sprom->itssi_bg = tuple.TupleData[7];
+ sprom->maxpwr_a = tuple.TupleData[8];
+ sprom->maxpwr_bg = tuple.TupleData[8];
+ break;
+ case SSB_PCMCIA_CIS_OEMNAME:
+ /* We ignore this. */
+ break;
+ case SSB_PCMCIA_CIS_CCODE:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "ccode tpl size");
+ sprom->country_code = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_ANTENNA:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "ant tpl size");
+ sprom->ant_available_a = tuple.TupleData[1];
+ sprom->ant_available_bg = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_ANTGAIN:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "antg tpl size");
+ sprom->antenna_gain.ghz24.a0 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz24.a1 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz24.a2 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz24.a3 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a0 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a1 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a2 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a3 = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_BFLAGS:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 3,
+ "bfl tpl size");
+ sprom->boardflags_lo = tuple.TupleData[1] |
+ ((u16)tuple.TupleData[2] << 8);
+ break;
+ case SSB_PCMCIA_CIS_LEDS:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 5,
+ "leds tpl size");
+ sprom->gpio0 = tuple.TupleData[1];
+ sprom->gpio1 = tuple.TupleData[2];
+ sprom->gpio2 = tuple.TupleData[3];
+ sprom->gpio3 = tuple.TupleData[4];
+ break;
+ }
+ res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
+ if (res == CS_NO_MORE_ITEMS)
+ break;
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl data");
+ }
+
return 0;
+error:
+ ssb_printk(KERN_ERR PFX
+ "PCMCIA: Failed to fetch device invariants: %s\n",
+ error_description);
+ return -ENODEV;
+}
+
+static ssize_t ssb_pcmcia_attr_sprom_show(struct device *pcmciadev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct pcmcia_device *pdev =
+ container_of(pcmciadev, struct pcmcia_device, dev);
+ struct ssb_bus *bus;
+
+ bus = ssb_pcmcia_dev_to_bus(pdev);
+ if (!bus)
+ return -ENODEV;
+
+ return ssb_attr_sprom_show(bus, buf,
+ ssb_pcmcia_sprom_read_all);
+}
+
+static ssize_t ssb_pcmcia_attr_sprom_store(struct device *pcmciadev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pcmcia_device *pdev =
+ container_of(pcmciadev, struct pcmcia_device, dev);
+ struct ssb_bus *bus;
+
+ bus = ssb_pcmcia_dev_to_bus(pdev);
+ if (!bus)
+ return -ENODEV;
+
+ return ssb_attr_sprom_store(bus, buf, count,
+ ssb_pcmcia_sprom_check_crc,
+ ssb_pcmcia_sprom_write_all);
+}
+
+static DEVICE_ATTR(ssb_sprom, 0600,
+ ssb_pcmcia_attr_sprom_show,
+ ssb_pcmcia_attr_sprom_store);
+
+void ssb_pcmcia_exit(struct ssb_bus *bus)
+{
+ if (bus->bustype != SSB_BUSTYPE_PCMCIA)
+ return;
+
+ device_remove_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
}
int ssb_pcmcia_init(struct ssb_bus *bus)
{
- conf_reg_t reg;
+ u8 val, offset;
int err;
if (bus->bustype != SSB_BUSTYPE_PCMCIA)
@@ -298,22 +692,26 @@ int ssb_pcmcia_init(struct ssb_bus *bus)
ssb_pcmcia_switch_segment(bus, 0);
/* Init IRQ routing */
- reg.Action = CS_READ;
- reg.Function = 0;
if (bus->chip_id == 0x4306)
- reg.Offset = 0x00;
+ offset = SSB_PCMCIA_CORECTL;
else
- reg.Offset = 0x80;
- err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (err != CS_SUCCESS)
+ offset = SSB_PCMCIA_CORECTL2;
+ err = ssb_pcmcia_cfg_read(bus, offset, &val);
+ if (err)
goto error;
- reg.Action = CS_WRITE;
- reg.Value |= 0x04 | 0x01;
- err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (err != CS_SUCCESS)
+ val |= SSB_PCMCIA_CORECTL_IRQEN | SSB_PCMCIA_CORECTL_FUNCEN;
+ err = ssb_pcmcia_cfg_write(bus, offset, val);
+ if (err)
+ goto error;
+
+ bus->sprom_size = SSB_PCMCIA_SPROM_SIZE;
+ mutex_init(&bus->sprom_mutex);
+ err = device_create_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
+ if (err)
goto error;
return 0;
error:
- return -ENODEV;
+ ssb_printk(KERN_ERR PFX "Failed to initialize PCMCIA host device\n");
+ return err;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-30 05:46:56 +0000