add SoC support to madwifi

SVN-Revision: 5804
lede-17.01
Felix Fietkau 2006-12-16 00:39:57 +00:00
parent addd63e46c
commit b5e0c5ea5f
3 changed files with 365 additions and 2 deletions

View File

@ -43,6 +43,7 @@ endif
BUS:=PCI
ifneq ($(CONFIG_LINUX_2_6_AR531X),)
BUS:=AHB
HAL_TARGET:=ap51
endif
ifneq ($(CONFIG_LINUX_2_6_ARUBA),)
BUS:=PCI AHB # no suitable HAL for AHB yet.
@ -105,16 +106,20 @@ MADWIFI_MAKEOPTS= -C $(PKG_BUILD_DIR) \
ifeq ($(findstring AHB,$(BUS)),AHB)
define Build/Compile/ahb
$(MAKE) $(MADWIFI_MAKEOPTS) BUS="AHB" modules
$(MAKE) $(MADWIFI_MAKEOPTS) BUS="AHB" LDOPTS="--no-warn-mismatch" modules
endef
endif
ifeq ($(findstring PCI,$(BUS)),PCI)
define Build/Compile/pci
$(MAKE) $(MADWIFI_MAKEOPTS) BUS="PCI" modules
$(MAKE) $(MADWIFI_MAKEOPTS) BUS="PCI" LDOPTS="--no-warn-mismatch" modules
endef
endif
define Build/Configure
$(SED) 's,-E[LB] ,,g' $(PKG_BUILD_DIR)/hal/public/*.inc
endef
define Build/Compile
$(call Build/Compile/ahb)
$(call Build/Compile/pci)

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@ -0,0 +1,196 @@
diff -ur madwifi.old/ath/if_ath_ahb.c madwifi.dev/ath/if_ath_ahb.c
--- madwifi.old/ath/if_ath_ahb.c 2006-12-16 00:56:39.000000000 +0100
+++ madwifi.dev/ath/if_ath_ahb.c 2006-12-16 00:57:08.000000000 +0100
@@ -27,6 +27,7 @@
#include "if_athvar.h"
#include "ah_devid.h"
#include "if_ath_ahb.h"
+#include "ah_soc.h"
struct ath_ahb_softc {
struct ath_softc aps_sc;
@@ -176,6 +177,9 @@
int
ahb_enable_wmac(u_int16_t devid, u_int16_t wlanNum)
{
+ u_int32_t reset;
+ u_int32_t enable;
+
if ((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) {
u_int32_t reg;
u_int32_t *en = (u_int32_t *) AR5315_AHB_ARB_CTL;
@@ -203,17 +207,32 @@
/* wait for the MAC to wakeup */
while (REG_READ(AR5315_PCI_MAC_PCICFG) & AR5315_PCI_MAC_PCICFG_SPWR_DN);
} else {
- u_int32_t *en = (u_int32_t *)AR531X_ENABLE;
switch (wlanNum) {
case AR531X_WLAN0_NUM:
- *en |= AR531X_ENABLE_WLAN0;
+ reset = (AR531X_RESET_WLAN0 |
+ AR531X_RESET_WARM_WLAN0_MAC |
+ AR531X_RESET_WARM_WLAN0_BB);
+ enable = AR531X_ENABLE_WLAN0;
break;
case AR531X_WLAN1_NUM:
- *en |= AR531X_ENABLE_WLAN1;
+ reset = (AR531X_RESET_WLAN1 |
+ AR531X_RESET_WARM_WLAN1_MAC |
+ AR531X_RESET_WARM_WLAN1_BB);
+ enable = AR531X_ENABLE_WLAN1;
break;
default:
return -ENODEV;
}
+ /* reset the MAC or suffer lots of AHB PROC errors */
+ REG_WRITE(AR531X_RESETCTL, REG_READ(AR531X_RESETCTL) | reset);
+ mdelay(15);
+
+ /* take it out of reset */
+ REG_WRITE(AR531X_RESETCTL, REG_READ(AR531X_RESETCTL) & ~reset);
+ udelay(25);
+
+ /* enable it */
+ REG_WRITE(AR531X_ENABLE, REG_READ(AR531X_ENABLE) | enable);
}
return 0;
}
@@ -221,6 +240,7 @@
int
ahb_disable_wmac(u_int16_t devid, u_int16_t wlanNum)
{
+ u_int32_t enable;
if ((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) {
u_int32_t *en = (u_int32_t *) AR5315_AHB_ARB_CTL;
@@ -229,17 +249,17 @@
/* Enable Arbitration for WLAN */
*en &= ~AR5315_ARB_WLAN;
} else {
- u_int32_t *en = (u_int32_t *)AR531X_ENABLE;
switch (wlanNum) {
case AR531X_WLAN0_NUM:
- *en &= ~AR531X_ENABLE_WLAN0;
+ enable = AR531X_ENABLE_WLAN0;
break;
case AR531X_WLAN1_NUM:
- *en &= ~AR531X_ENABLE_WLAN1;
+ enable = AR531X_ENABLE_WLAN1;
break;
default:
return -ENODEV;
}
+ REG_WRITE(AR531X_ENABLE, REG_READ(AR531X_ENABLE) & ~enable);
}
return 0;
}
@@ -326,13 +346,18 @@
}
dev->mem_end = dev->mem_start + AR531X_WLANX_LEN;
sc->aps_sc.sc_bdev = NULL;
-
+
if (request_irq(dev->irq, ath_intr, SA_SHIRQ, dev->name, dev)) {
printk(KERN_WARNING "%s: request_irq failed\n", dev->name);
goto bad3;
}
-
- if (ath_attach(devid, dev) != 0)
+
+ struct ar531x_config config;
+ config.board = ar5312_boardConfig;
+ config.radio = radioConfig;
+ config.unit = wlanNum;
+ config.tag = NULL;
+ 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",
diff -ur madwifi.old/ath/if_ath_ahb.h madwifi.dev/ath/if_ath_ahb.h
--- madwifi.old/ath/if_ath_ahb.h 2006-12-16 00:56:39.000000000 +0100
+++ madwifi.dev/ath/if_ath_ahb.h 2006-12-16 00:57:08.000000000 +0100
@@ -10,6 +10,7 @@
#include <asm/io.h>
#include <asm/uaccess.h>
+
#define AR531X_WLAN0_NUM 0
#define AR531X_WLAN1_NUM 1
@@ -70,9 +71,18 @@
#define AR531X_WLAN1 0xb8500000
#define AR531X_WLANX_LEN 0x000ffffc
+#define AR531X_RESETCTL 0xbc003020
+#define AR531X_RESET_WLAN0 0x00000004 /* mac & bb */
+#define AR531X_RESET_WLAN1 0x00000200 /* mac & bb */
+#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000
+#define AR531X_RESET_WARM_WLAN0_BB 0x00004000
+#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000
+#define AR531X_RESET_WARM_WLAN1_BB 0x00040000
+
#define AR531X_ENABLE 0xbc003080
-#define AR531X_ENABLE_WLAN1 0x8
-#define AR531X_ENABLE_WLAN0 0x1
+#define AR531X_ENABLE_WLAN0 0x0001
+#define AR531X_ENABLE_WLAN1 0x0018 /* both DMA and PIO */
+
#define AR531X_RADIO_MASK_OFF 0xc8
#define AR531X_RADIO0_MASK 0x0003
#define AR531X_RADIO1_MASK 0x000c
diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
--- madwifi.old/ath/if_ath.c 2006-12-16 00:56:39.000000000 +0100
+++ madwifi.dev/ath/if_ath.c 2006-12-16 00:57:08.000000000 +0100
@@ -380,7 +380,7 @@
} while(0)
int
-ath_attach(u_int16_t devid, struct net_device *dev)
+ath_attach(u_int16_t devid, struct net_device *dev, HAL_BUS_TAG tag)
{
struct ath_softc *sc = dev->priv;
struct ieee80211com *ic = &sc->sc_ic;
@@ -421,7 +421,7 @@
* built with an ah.h that does not correspond to the hal
* module loaded in the kernel.
*/
- ah = _ath_hal_attach(devid, sc, NULL, (void *) dev->mem_start, &status);
+ ah = _ath_hal_attach(devid, sc, tag, (void *) dev->mem_start, &status);
if (ah == NULL) {
printk(KERN_ERR "%s: unable to attach hardware: '%s' (HAL status %u)\n",
dev->name, ath_get_hal_status_desc(status), status);
diff -ur madwifi.old/ath/if_ath_pci.c madwifi.dev/ath/if_ath_pci.c
--- madwifi.old/ath/if_ath_pci.c 2006-12-16 00:56:39.000000000 +0100
+++ madwifi.dev/ath/if_ath_pci.c 2006-12-16 00:57:08.000000000 +0100
@@ -218,7 +218,7 @@
break;
}
}
- if (ath_attach(vdevice, dev) != 0)
+ if (ath_attach(vdevice, dev, NULL) != 0)
goto bad4;
athname = ath_hal_probe(id->vendor, vdevice);
diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
--- madwifi.old/ath/if_athvar.h 2006-12-16 00:56:39.000000000 +0100
+++ madwifi.dev/ath/if_athvar.h 2006-12-16 00:57:08.000000000 +0100
@@ -681,7 +681,7 @@
#define ATH_LOCK(_sc) down(&(_sc)->sc_lock)
#define ATH_UNLOCK(_sc) up(&(_sc)->sc_lock)
-int ath_attach(u_int16_t, struct net_device *);
+int ath_attach(u_int16_t, struct net_device *, HAL_BUS_TAG);
int ath_detach(struct net_device *);
void ath_resume(struct net_device *);
void ath_suspend(struct net_device *);
diff -ur madwifi.old/THANKS madwifi.dev/THANKS
--- madwifi.old/THANKS 2006-12-16 00:56:39.000000000 +0100
+++ madwifi.dev/THANKS 2006-12-16 00:58:33.000000000 +0100
@@ -102,6 +102,7 @@
Joe Parks
Pavel Novak
Wade Mealing
+Mats Hojlund
Apologies to anyone whose name was unintentionally left off.
Please let us know if you think your name should be mentioned here!

View File

@ -0,0 +1,162 @@
diff -ur madwifi.old/ath/if_ath_ahb.c madwifi.dev/ath/if_ath_ahb.c
--- madwifi.old/ath/if_ath_ahb.c 2006-12-16 00:57:08.000000000 +0100
+++ madwifi.dev/ath/if_ath_ahb.c 2006-12-16 01:29:38.000000000 +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)
@@ -295,7 +301,7 @@
}
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;
@@ -352,12 +358,7 @@
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",
@@ -379,13 +380,55 @@
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
+
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));
@@ -393,10 +436,6 @@
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 +459,7 @@
return 0;
}
+#endif
/*
* Module glue.
@@ -460,13 +500,19 @@
{
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 +523,13 @@
#ifdef CONFIG_SYSCTL
ath_sysctl_unregister();
#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+ platform_driver_register(&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);
}