add SoC support to madwifi

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5804 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 365 insertions, 2 deletions

diff --git a/package/madwifi/Makefile b/package/madwifi/Makefile
index 8bd6bc1a5c..7657f8d2ee 100644
--- a/package/madwifi/Makefile
+++ b/package/madwifi/Makefile
@@ -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)
diff --git a/package/madwifi/patches/108-soc_init_r1714.patch b/package/madwifi/patches/108-soc_init_r1714.patch
new file mode 100644
index 0000000000..a289c26ee2
--- /dev/null
+++ b/package/madwifi/patches/108-soc_init_r1714.patch
@@ -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!
diff --git a/package/madwifi/patches/109-soc_platform.patch b/package/madwifi/patches/109-soc_platform.patch
new file mode 100644
index 0000000000..d677c04c4d
--- /dev/null
+++ b/package/madwifi/patches/109-soc_platform.patch
@@ -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);
+ }