Project : madwifi
Revision : 2148
Author : proski (Pavel Roskin)
Date : 2007-02-23 04:12:17 +0100 (Fri, 23 Feb 2007)
Log Message :
Merge revision 2130 - better support for AHB bus
Affected Files:
* branches/dadwifi/ath/if_ath_ahb.c updated
* branches/dadwifi/ath/if_ath_ahb.h updated
Modified: branches/dadwifi/ath/if_ath_ahb.c
===================================================================
--- branches/dadwifi/ath/if_ath_ahb.c 2007-02-23 02:48:05 UTC (rev 2147)
+++ branches/dadwifi/ath/if_ath_ahb.c 2007-02-23 03:12:17 UTC (rev 2148)
@@ -20,6 +20,9 @@
#include <linux/netdevice.h>
#include <linux/cache.h>
#include <linux/delay.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+#include <linux/platform_device.h>
+#endif
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -43,6 +46,7 @@
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;
@@ -140,6 +144,8 @@
data[i] = eepromAddr[off];
}
+#endif
+
/* set bus cachesize in 4B word units */
void
bus_read_cachesize(struct ath_softc *sc, u_int8_t *csz)
@@ -183,7 +189,8 @@
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;
@@ -244,7 +251,8 @@
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) );
@@ -295,12 +303,11 @@
}
static 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;
unsigned long mem_start;
struct ath_ahb_softc *sc;
- struct ar531x_config config;
if (((wlanNum != 0) && (wlanNum != 1)) ||
(sclist[wlanNum] != NULL))
@@ -324,7 +331,8 @@
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)) {
sc->irq = AR5315_IRQ_WLAN0_INTRS;
mem_start = AR5315_WLAN0;
} else {
@@ -347,11 +355,7 @@
goto bad3;
}
- config.board = ar5312_boardConfig;
- config.radio = radioConfig;
- config.unit = wlanNum;
- config.tag = NULL;
- if (ath_attach(devid, &sc->aps_sc, &config) != 0)
+ if (ath_attach(devid, &sc->aps_sc, config) != 0)
goto bad4;
athname = ath_hal_probe(ATHEROS_VENDOR_ID, devid);
printk(KERN_INFO "%s: %s: mem=0x%lx, irq=%d\n",
@@ -372,24 +376,63 @@
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);
+
+ return 0;
+}
+
+struct platform_driver ahb_wmac_driver = {
+ .driver.name = "ar531x-wmac",
+ .probe = ahb_wmac_probe,
+ .remove = ahb_wmac_remove
+};
+
+#else
+
static 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)
- return init_ath_wmac(devid, 0);
+ if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
+ ((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ))
+ return init_ath_wmac(devid, 0, &config);
}
- /* 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) {
@@ -400,11 +443,11 @@
ar5312BspEepromRead(2 * AR531X_RADIO_MASK_OFF, 2,
(char *) &radioMask);
if ((radioMask & AR531X_RADIO0_MASK) != 0)
- if ((ret = init_ath_wmac(devid, 0)) !=0 )
+ if ((ret = init_ath_wmac(devid, 0, &config)) !=0 )
return ret;
/* XXX: Fall through?! */
case AR5212_AR2313_REV8:
- if ((ret = init_ath_wmac(devid, 1)) != 0)
+ if ((ret = init_ath_wmac(devid, 1, &config)) != 0)
return ret;
break;
default:
@@ -413,6 +456,7 @@
return 0;
}
+#endif
/*
* Module glue.
@@ -453,10 +497,15 @@
{
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
+
ath_sysctl_register();
return 0;
}
@@ -466,8 +515,13 @@
exit_ath_ahb(void)
{
ath_sysctl_unregister();
+
+#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);
}
Modified: branches/dadwifi/ath/if_ath_ahb.h
===================================================================
--- branches/dadwifi/ath/if_ath_ahb.h 2007-02-23 02:48:05 UTC (rev 2147)
+++ branches/dadwifi/ath/if_ath_ahb.h 2007-02-23 03:12:17 UTC (rev 2148)
@@ -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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