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openwrt/package/madwifi/patches/109-soc_platform.patch
Felix Fietkau 07031eb1f3 get rid of the get_system_type() dependency for atheros 2.6 
SVN-Revision: 6259
2007-02-04 03:27:41 +00:00

241 lines
6.1 KiB
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diff -ur madwifi.old/ath/if_ath_ahb.c madwifi.dev/ath/if_ath_ahb.c
--- madwifi.old/ath/if_ath_ahb.c 2007-02-04 04:07:15.810701232 +0100
+++ madwifi.dev/ath/if_ath_ahb.c 2007-02-04 04:14:02.699844680 +0100
@@ -17,6 +17,9 @@
#include <linux/if.h>
#include <linux/netdevice.h>
#include <linux/cache.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+#include <linux/platform_device.h>
+#endif
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -39,6 +42,7 @@
static struct ath_ahb_softc *sclist[2] = {NULL, NULL};
static u_int8_t num_activesc = 0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
static struct ar531x_boarddata *ar5312_boardConfig = NULL;
static char *radioConfig = NULL;
@@ -136,6 +140,8 @@
data[i] = eepromAddr[off];
}
+#endif
+
/* set bus cachesize in 4B word units */
void
bus_read_cachesize(struct ath_softc *sc, u_int8_t *csz)
@@ -180,7 +186,8 @@
u_int32_t reset;
u_int32_t enable;
- if ((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) {
+ if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
+ ((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ)) {
u_int32_t reg;
u_int32_t *en = (u_int32_t *) AR5315_AHB_ARB_CTL;
@@ -241,7 +248,8 @@
ahb_disable_wmac(u_int16_t devid, u_int16_t wlanNum)
{
u_int32_t enable;
- if ((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) {
+ if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
+ ((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ)) {
u_int32_t *en = (u_int32_t *) AR5315_AHB_ARB_CTL;
KASSERT(wlanNum == 0, ("invalid wlan # %d", wlanNum) );
@@ -265,12 +273,12 @@
}
+
int
-exit_ath_wmac(u_int16_t wlanNum)
+exit_ath_wmac(u_int16_t wlanNum, struct ar531x_config *config)
{
struct ath_ahb_softc *sc = sclist[wlanNum];
struct net_device *dev;
- const char *sysType;
u_int16_t devid;
if (sc == NULL)
@@ -280,13 +288,17 @@
ath_detach(dev);
if (dev->irq)
free_irq(dev->irq, dev);
- sysType = get_system_type();
- if (!strcmp(sysType, "Atheros AR5315"))
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+ devid = (u32) config->tag;
+#else
+ if (!strcmp(get_system_type(), "Atheros AR5315"))
devid = (u_int16_t) (sysRegRead(AR5315_SREV) &
(AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
else
devid = (u_int16_t) ((sysRegRead(AR531X_REV) >> 8) &
(AR531X_REV_MAJ | AR531X_REV_MIN));
+#endif
ahb_disable_wmac(devid, wlanNum);
free_netdev(dev);
@@ -295,7 +307,7 @@
}
int
-init_ath_wmac(u_int16_t devid, u_int16_t wlanNum)
+init_ath_wmac(u_int16_t devid, u_int16_t wlanNum, struct ar531x_config *config)
{
const char *athname;
struct net_device *dev;
@@ -329,7 +341,8 @@
switch (wlanNum) {
case AR531X_WLAN0_NUM:
- if ((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) {
+ if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
+ ((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ)) {
dev->irq = AR5315_IRQ_WLAN0_INTRS;
dev->mem_start = AR5315_WLAN0;
} else {
@@ -352,12 +365,7 @@
goto bad3;
}
- struct ar531x_config config;
- config.board = ar5312_boardConfig;
- config.radio = radioConfig;
- config.unit = wlanNum;
- config.tag = NULL;
- if (ath_attach(devid, dev, &config) != 0)
+ if (ath_attach(devid, dev, config) != 0)
goto bad4;
athname = ath_hal_probe(ATHEROS_VENDOR_ID, devid);
printk(KERN_INFO "%s: %s: mem=0x%lx, irq=%d\n",
@@ -379,24 +387,63 @@
return -ENODEV;
}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+static int ahb_wmac_probe(struct platform_device *pdev)
+{
+ u32 devid;
+ struct ar531x_config *config;
+
+ config = (struct ar531x_config *) pdev->dev.platform_data;
+ devid = (u32) config->tag;
+ config->tag = NULL;
+
+ return init_ath_wmac((u_int16_t) devid, pdev->id, config);
+}
+
+
+static int ahb_wmac_remove(struct platform_device *pdev)
+{
+ exit_ath_wmac(pdev->id, (struct ar531x_config *) pdev->dev.platform_data);
+
+ return 0;
+}
+
+struct platform_driver ahb_wmac_driver = {
+ .driver.name = "ar531x-wmac",
+ .probe = ahb_wmac_probe,
+ .remove = ahb_wmac_remove
+};
+
+#else
+
int
init_ahb(void)
{
int ret;
u_int16_t devid, radioMask;
const char *sysType;
+ struct ar531x_config config;
+
sysType = get_system_type();
+
+ /* Probe to find out the silicon revision and enable the
+ correct number of macs */
+ if (!ar5312SetupFlash())
+ return -ENODEV;
+
+ config.board = ar5312_boardConfig;
+ config.radio = radioConfig;
+ config.unit = wlanNum;
+ config.tag = NULL;
+
if (!strcmp(sysType,"Atheros AR5315")) {
devid = (u_int16_t) (sysRegRead(AR5315_SREV) &
(AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
- if ((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ)
+ if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
+ ((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ))
return init_ath_wmac(devid, 0);
}
- /* Probe to find out the silicon revision and enable the
- correct number of macs */
- if (!ar5312SetupFlash())
- return -ENODEV;
devid = (u_int16_t) ((sysRegRead(AR531X_REV) >>8) &
(AR531X_REV_MAJ | AR531X_REV_MIN));
switch (devid) {
@@ -420,6 +467,7 @@
return 0;
}
+#endif
/*
* Module glue.
@@ -460,13 +508,19 @@
{
printk(KERN_INFO "%s: %s\n", dev_info, version);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+ platform_driver_register(&ahb_wmac_driver);
+#else
if (init_ahb() != 0) {
printk("ath_ahb: No devices found, driver not installed.\n");
return (-ENODEV);
}
+#endif
+
#ifdef CONFIG_SYSCTL
ath_sysctl_register();
#endif
+
return 0;
}
module_init(init_ath_ahb);
@@ -477,8 +531,13 @@
#ifdef CONFIG_SYSCTL
ath_sysctl_unregister();
#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+ platform_driver_unregister(&ahb_wmac_driver);
+#else
exit_ath_wmac(AR531X_WLAN0_NUM);
exit_ath_wmac(AR531X_WLAN1_NUM);
+#endif
printk(KERN_INFO "%s: driver unloaded\n", dev_info);
}
diff -ur madwifi.old/ath/if_ath_ahb.h madwifi.dev/ath/if_ath_ahb.h
--- madwifi.old/ath/if_ath_ahb.h 2007-02-04 04:07:15.810701232 +0100
+++ madwifi.dev/ath/if_ath_ahb.h 2007-02-04 04:06:49.070766320 +0100
@@ -59,6 +59,7 @@
#define AR5315_SREV 0xb1000014
#define AR5315_REV_MAJ 0x0080
+#define AR5317_REV_MAJ 0x0090
#define AR5315_REV_MAJ_M 0x00f0
#define AR5315_REV_MAJ_S 4
#define AR5315_REV_MIN_M 0x000f
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