now that the gemini target is working, get rid of the obsolete and buggy storm target

SVN-Revision: 16274
This commit is contained in:
Imre Kaloz 2009-06-01 18:15:30 +00:00
parent 51ed99475f
commit 7f9fd5033c
15 changed files with 1 additions and 38746 deletions

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@ -97,9 +97,6 @@ endif
ifeq ($(ARCH),powerpc)
HAL_TARGET:=powerpc-be-elf
endif
ifeq ($(BOARD),storm)
HAL_TARGET:=armv4-le-elf$(if $(CONFIG_EABI_SUPPORT),gnueabi)
endif
ifeq ($(BOARD),gemini)
HAL_TARGET:=armv4-le-elf$(if $(CONFIG_EABI_SUPPORT),gnueabi)
endif

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@ -1,23 +0,0 @@
#
# Copyright (C) 2006-2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
ARCH:=arm
BOARD:=storm
BOARDNAME:=Storm SL3512
FEATURES:=squashfs pci broken
CFLAGS:=-Os -pipe -march=armv4 -mtune=arm9tdmi -funit-at-a-time
LINUX_VERSION:=2.6.23.17
include $(INCLUDE_DIR)/target.mk
define Target/Description
Build images for boards based on the Storm Semiconductor SL3512, eg. Wiligear WBD-111
endef
$(eval $(call BuildTarget))

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@ -1,221 +0,0 @@
# CONFIG_AEABI is not set
CONFIG_ALIGNMENT_TRAP=y
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_ARCH_SL2312=y
# CONFIG_ARCH_SUPPORTS_MSI is not set
CONFIG_ARM=y
# CONFIG_ARPD is not set
# CONFIG_ARTHUR is not set
# CONFIG_ATM is not set
CONFIG_BASE_SMALL=0
# CONFIG_BINFMT_AOUT is not set
CONFIG_BITREVERSE=y
# CONFIG_BLK_DEV_INITRD is not set
# CONFIG_BONDING is not set
CONFIG_BOUNCE=y
# CONFIG_BRIDGE_NF_EBTABLES is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
# CONFIG_CIFS is not set
# CONFIG_CLS_U32_PERF is not set
CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=32M"
CONFIG_CPU_32=y
CONFIG_CPU_32v4=y
CONFIG_CPU_ABRT_EV4=y
CONFIG_CPU_CACHE_FA=y
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_COPY_FA=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
CONFIG_CPU_FA526=y
CONFIG_CPU_FA_BTB=y
# CONFIG_CPU_ICACHE_DISABLE is not set
CONFIG_CPU_TLB_FA=y
# CONFIG_CRC_ITU_T is not set
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_ERRORS is not set
# CONFIG_DEBUG_INFO is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_LL is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_SHIRQ is not set
# CONFIG_DEBUG_SLAB is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_USER is not set
# CONFIG_DEBUG_VM is not set
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_IOSCHED="noop"
CONFIG_DEFAULT_NOOP=y
# CONFIG_DETECT_SOFTLOCKUP is not set
CONFIG_DEVPORT=y
# CONFIG_DM9000 is not set
CONFIG_ELF_CORE=y
CONFIG_ENABLE_MUST_CHECK=y
# CONFIG_EPOLL is not set
# CONFIG_EXT2_FS is not set
# CONFIG_EXT3_FS is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_FORCED_INLINING=y
# CONFIG_FPE_FASTFPE is not set
# CONFIG_FPE_NWFPE is not set
CONFIG_FRAME_POINTER=y
# CONFIG_FUTEX is not set
# CONFIG_FW_LOADER is not set
CONFIG_GEMINI_GPIO_DEV=y
# CONFIG_GEMINI_IPI is not set
# CONFIG_GENERIC_CLOCKEVENTS is not set
# CONFIG_GENERIC_GPIO is not set
# CONFIG_GENERIC_TIME is not set
# CONFIG_HAMRADIO is not set
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
# CONFIG_HFSPLUS_FS is not set
# CONFIG_HFS_FS is not set
CONFIG_HW_RANDOM=y
# CONFIG_I2C is not set
# CONFIG_IDE is not set
# CONFIG_IEEE80211 is not set
# CONFIG_IFB is not set
# CONFIG_IKCONFIG is not set
# CONFIG_IMQ is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_DIAG is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IPSEC_NAT_TRAVERSAL is not set
# CONFIG_IPV6 is not set
CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ISDN is not set
# CONFIG_ISO9660_FS is not set
# CONFIG_JFFS2_RTIME is not set
# CONFIG_JFFS2_SUMMARY is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_LLC2 is not set
# CONFIG_LOCK_STAT is not set
# CONFIG_MINIX_FS is not set
# CONFIG_MISC_DEVICES is not set
# CONFIG_MSDOS_FS is not set
CONFIG_MTD_CFI_ADV_OPTIONS=y
CONFIG_MTD_CFI_GEOMETRY=y
# CONFIG_MTD_CFI_I2 is not set
# CONFIG_MTD_CFI_INTELEXT is not set
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
CONFIG_MTD_REDBOOT_PARTS=y
# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
# CONFIG_MTD_SERIAL is not set
CONFIG_MTD_SL2312_CFI=y
# CONFIG_MTD_SL2312_SERIAL_ATMEL is not set
# CONFIG_MTD_SL2312_SERIAL_ST is not set
CONFIG_NETDEV_1000=y
# CONFIG_NET_ACT_GACT is not set
# CONFIG_NET_ACT_IPT is not set
# CONFIG_NET_ACT_MIRRED is not set
# CONFIG_NET_ACT_PEDIT is not set
# CONFIG_NET_CLS_RSVP is not set
# CONFIG_NET_CLS_RSVP6 is not set
# CONFIG_NET_EMATCH is not set
CONFIG_NET_GMAC=y
# CONFIG_NET_IPGRE is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_KEY is not set
# CONFIG_NET_PCI is not set
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_SCH_DSMARK is not set
# CONFIG_NET_SCH_ESFQ is not set
# CONFIG_NET_SCH_GRED is not set
# CONFIG_NET_SCH_HFSC is not set
# CONFIG_NET_SCH_HTB is not set
# CONFIG_NET_SCH_INGRESS is not set
# CONFIG_NET_SCH_PRIO is not set
# CONFIG_NET_SCH_RED is not set
# CONFIG_NET_SCH_RR is not set
# CONFIG_NET_SCH_SFQ is not set
# CONFIG_NET_SCH_TBF is not set
# CONFIG_NET_SCH_TEQL is not set
# CONFIG_NET_SL2312 is not set
CONFIG_NET_SL351X=y
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_NFSD is not set
# CONFIG_NFS_FS is not set
CONFIG_NF_CONNTRACK=y
# CONFIG_NLS is not set
# CONFIG_NO_IDLE_HZ is not set
# CONFIG_NO_IOPORT is not set
# CONFIG_NVRAM is not set
# CONFIG_OUTER_CACHE is not set
CONFIG_PACKET=m
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_PCI=y
# CONFIG_PCIPCWATCHDOG is not set
# CONFIG_PCI_DEBUG is not set
CONFIG_PCI_SYSCALL=y
# CONFIG_PPP_MPPE is not set
# CONFIG_PPP_SYNC_TTY is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_SCHEDSTATS is not set
# CONFIG_SCHED_DEBUG is not set
# CONFIG_SCSI is not set
# CONFIG_SCSI_DMA is not set
# CONFIG_SERIAL_8250 is not set
CONFIG_SERIAL_SL2312=y
CONFIG_SERIAL_SL2312_CONSOLE=y
# CONFIG_SL2312_LPC is not set
# CONFIG_SL2312_MPAGE is not set
# CONFIG_SL2312_RECVFILE is not set
# CONFIG_SL2312_SHARE_PIN is not set
# CONFIG_SL2312_TSO is not set
# CONFIG_SL2312_USB is not set
CONFIG_SL3516_ASIC=y
# CONFIG_SMC91X is not set
# CONFIG_SOUND is not set
CONFIG_SPLIT_PTLOCK_CPUS=4096
# CONFIG_STANDALONE is not set
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_SYSVIPC is not set
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
# CONFIG_TICK_ONESHOT is not set
# CONFIG_TIMER_STATS is not set
# CONFIG_UDF_FS is not set
CONFIG_UID16=y
# CONFIG_USB_SUPPORT is not set
# CONFIG_USER_NS is not set
CONFIG_VECTORS_BASE=0xffff0000
# CONFIG_VFAT_FS is not set
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_DEV is not set
CONFIG_VLAN_8021Q=m
# CONFIG_W1 is not set
CONFIG_WATCHDOG_SL351X=y
# CONFIG_WLAN_80211 is not set
# CONFIG_XFRM_USER is not set
# CONFIG_XFS_FS is not set
# CONFIG_XIP_KERNEL is not set
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ZBOOT_ROM_TEXT=0x0

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@ -1,46 +0,0 @@
#
# Copyright (C) 2007-2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
define Image/Prepare
cp $(LINUX_DIR)/arch/arm/boot/zImage $(KDIR)/zImage
endef
define Image/BuildKernel
cp $(KDIR)/zImage $(BIN_DIR)/openwrt-$(BOARD)-zImage
#
# XXX - FIXME
#
# BIN_DIR=$(BIN_DIR) $(TOPDIR)/scripts/arm-magic.sh
endef
define Image/Build/jffs2-64k
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=64k conv=sync
endef
define Image/Build/jffs2-128k
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=128k conv=sync
endef
define Image/Build/squashfs
$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
endef
define Image/Build
$(call Image/Build/$(1),$(1))
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-root.$(1) bs=128k conv=sync
-$(STAGING_DIR_HOST)/bin/mkfwimage2 \
-m GEOS -f 0x30000000 -z \
-v WILI-S.WILIBOARD.v5.00.SL3512.OpenWrt.00000.000000.000000 \
-o $(BIN_DIR)/openwrt-$(BOARD)-wbd-111-$(1).bin \
-p Kernel:0x020000:0x100000:0:0:$(BIN_DIR)/openwrt-$(BOARD)-zImage \
-p Ramdisk:0x120000:0x500000:0:0:$(BIN_DIR)/openwrt-$(BOARD)-root.$(1)
endef
$(eval $(call BuildImage))

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@ -1,11 +0,0 @@
--- a/include/asm-arm/arch-sl2312/sl351x_gmac.h
+++ b/include/asm-arm/arch-sl2312/sl351x_gmac.h
@@ -21,7 +21,7 @@
#undef BIG_ENDIAN
#define BIG_ENDIAN 0
#define GMAC_DEBUG 1
-#define GMAC_NUM 2
+#define GMAC_NUM 1
//#define L2_jumbo_frame 1
#define _PACKED_ __attribute__ ((aligned(1), packed))

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@ -1,81 +0,0 @@
--- a/drivers/net/sl351x_gmac.c
+++ b/drivers/net/sl351x_gmac.c
@@ -68,9 +68,11 @@
#include <linux/ip.h>
#endif
+/* Enables NAPI unconditionally */
+#define CONFIG_SL_NAPI 1
+
// #define SL351x_TEST_WORKAROUND
#ifdef CONFIG_SL351x_NAT
-#define CONFIG_SL_NAPI 1
#endif
#define GMAX_TX_INTR_DISABLED 1
#define DO_HW_CHKSUM 1
@@ -124,12 +126,17 @@ static char _debug_prefetch_buf[_DEBUG_P
*************************************************************/
static int gmac_initialized = 0;
TOE_INFO_T toe_private_data;
-//static int do_again = 0;
+static int do_again = 0;
spinlock_t gmac_fq_lock;
unsigned int FLAG_SWITCH;
static unsigned int next_tick = 3 * HZ;
-static unsigned char eth_mac[CONFIG_MAC_NUM][6]= {{0x00,0x11,0x11,0x87,0x87,0x87}, {0x00,0x22,0x22,0xab,0xab,0xab}};
+static unsigned char eth_mac[CONFIG_MAC_NUM][6]= {
+ {0x00,0x11,0x11,0x87,0x87,0x87},
+#if GMAC_NUM != 1
+ {0x00,0x22,0x22,0xab,0xab,0xab}
+#endif
+};
#undef CONFIG_SL351x_RXTOE
extern NAT_CFG_T nat_cfg;
@@ -2443,7 +2450,8 @@ static irqreturn_t toe_gmac_interrupt (i
toe = (TOE_INFO_T *)&toe_private_data;
// handle NAPI
#ifdef CONFIG_SL_NAPI
-if (storlink_ctl.pauseoff == 1)
+ /* XXX: check this, changed from 'storlink_ctl.pauseoff == 1' to if (1) */
+if (1)
{
/* disable GMAC interrupt */
//toe_gmac_disable_interrupt(tp->irq);
@@ -2530,7 +2538,7 @@ if (storlink_ctl.pauseoff == 1)
{
if (likely(netif_rx_schedule_prep(dev)))
{
- unsigned int data32;
+ // unsigned int data32;
// disable GMAC-0 rx interrupt
// class-Q & TOE-Q are implemented in future
//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
@@ -2563,7 +2571,7 @@ if (storlink_ctl.pauseoff == 1)
{
if (likely(netif_rx_schedule_prep(dev)))
{
- unsigned int data32;
+ // unsigned int data32;
// disable GMAC-0 rx interrupt
// class-Q & TOE-Q are implemented in future
//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
@@ -4217,7 +4225,7 @@ static int gmac_rx_poll(struct net_devic
GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
unsigned int status4;
volatile DMA_RWPTR_T fq_rwptr;
- int max_cnt = TOE_SW_FREEQ_DESC_NUM;//TOE_SW_FREEQ_DESC_NUM = 64
+ // int max_cnt = TOE_SW_FREEQ_DESC_NUM;//TOE_SW_FREEQ_DESC_NUM = 64
//unsigned long rx_old_bytes;
struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
//unsigned long long rx_time;
@@ -4479,7 +4487,7 @@ static int gmac_rx_poll(struct net_devic
if (rwptr.bits.rptr == rwptr.bits.wptr)
{
- unsigned int data32;
+ // unsigned int data32;
//printk("%s:---[rwptr.bits.rptr == rwptr.bits.wptr] rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
/* Receive descriptor is empty now */

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@ -1,248 +0,0 @@
--- a/drivers/net/sl351x_gmac.c
+++ b/drivers/net/sl351x_gmac.c
@@ -127,6 +127,7 @@ static char _debug_prefetch_buf[_DEBUG_P
static int gmac_initialized = 0;
TOE_INFO_T toe_private_data;
static int do_again = 0;
+static int rx_poll_enabled;
spinlock_t gmac_fq_lock;
unsigned int FLAG_SWITCH;
@@ -1065,7 +1066,8 @@ static void toe_init_gmac(struct net_dev
tp->intr3_enabled = 0xffffffff;
tp->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS |
HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
- tp->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT;
+ tp->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT| GMAC0_RX_OVERRUN_INT_BIT;
+ // GMAC0_TX_PAUSE_OFF_INT_BIT| GMAC0_MIB_INT_BIT;
data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) & ~tp->intr0_selected;
writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
@@ -1115,7 +1117,7 @@ static void toe_init_gmac(struct net_dev
tp->intr3_enabled |= 0xffffffff;
tp->intr4_selected |= CLASS_RX_FULL_INT_BITS |
HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
- tp->intr4_enabled |= SWFQ_EMPTY_INT_BIT;
+ tp->intr4_enabled |= SWFQ_EMPTY_INT_BIT | GMAC1_RX_OVERRUN_INT_BIT;
}
data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) | tp->intr0_selected;
writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
@@ -2408,7 +2410,7 @@ static inline void toe_gmac_fill_free_q(
// unsigned short max_cnt=TOE_SW_FREEQ_DESC_NUM>>1;
fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
- spin_lock_irqsave(&gmac_fq_lock, flags);
+ // spin_lock_irqsave(&gmac_fq_lock, flags);
//while ((max_cnt--) && (unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
// TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
@@ -2428,10 +2430,47 @@ static inline void toe_gmac_fill_free_q(
SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32;
}
- spin_unlock_irqrestore(&gmac_fq_lock, flags);
+ // spin_unlock_irqrestore(&gmac_fq_lock, flags);
}
// EXPORT_SYMBOL(toe_gmac_fill_free_q);
+static void gmac_registers(const char *message)
+{
+ unsigned int status0;
+ unsigned int status1;
+ unsigned int status2;
+ unsigned int status3;
+ unsigned int status4;
+
+ printk("%s\n", message);
+
+ status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
+ status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+ status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
+ status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
+ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+
+ printk("status: s0:%08X, s1:%08X, s2:%08X, s3:%08X, s4:%08X\n",
+ status0, status1, status2, status3, status4);
+
+ status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_0_REG);
+ status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+ status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_2_REG);
+ status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_3_REG);
+ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+
+ printk("mask : s0:%08X, s1:%08X, s2:%08X, s3:%08X, s4:%08X\n",
+ status0, status1, status2, status3, status4);
+
+ status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
+ status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
+ status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
+ status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
+ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+
+ printk("select: s0:%08X, s1:%08X, s2:%08X, s3:%08X, s4:%08X\n",
+ status0, status1, status2, status3, status4);
+}
/*----------------------------------------------------------------------
* toe_gmac_interrupt
*----------------------------------------------------------------------*/
@@ -2492,6 +2531,7 @@ if (1)
writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG);
if (status4)
writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+
#if 0
/* handle freeq interrupt first */
if (status4 & tp->intr4_enabled) {
@@ -2536,10 +2576,31 @@ if (1)
}
if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT))
{
- if (likely(netif_rx_schedule_prep(dev)))
+ if (!rx_poll_enabled && likely(netif_rx_schedule_prep(dev)))
{
- // unsigned int data32;
- // disable GMAC-0 rx interrupt
+ unsigned int data32;
+
+ if (rx_poll_enabled)
+ gmac_registers("check #1");
+
+ BUG_ON(rx_poll_enabled == 1);
+
+#if 0
+ /* Masks GMAC-0 rx interrupt */
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+ data32 &= ~(DEFAULT_Q0_INT_BIT);
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+
+ /* Masks GMAC-0 queue empty interrupt */
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+ data32 &= ~DEFAULT_Q0_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+ data32 &= ~DEFAULT_Q0_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+#endif
+
// class-Q & TOE-Q are implemented in future
//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
//data32 &= ~DEFAULT_Q0_INT_BIT;
@@ -2549,7 +2610,8 @@ if (1)
//tp->total_q_cnt_napi=0;
//rx_time = jiffies;
//rx_old_bytes = isPtr->rx_bytes;
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev);
+ rx_poll_enabled = 1;
}
}
}
@@ -2569,9 +2631,31 @@ if (1)
if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
{
- if (likely(netif_rx_schedule_prep(dev)))
+ if (!rx_poll_enabled && likely(netif_rx_schedule_prep(dev)))
{
- // unsigned int data32;
+ unsigned int data32;
+
+ if (rx_poll_enabled)
+ gmac_registers("check #2");
+
+ BUG_ON(rx_poll_enabled == 1);
+
+#if 0
+ /* Masks GMAC-1 rx interrupt */
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+ data32 &= ~(DEFAULT_Q1_INT_BIT);
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+
+ /* Masks GMAC-1 queue empty interrupt */
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+ data32 &= ~DEFAULT_Q1_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+ data32 &= ~DEFAULT_Q1_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+#endif
+
// disable GMAC-0 rx interrupt
// class-Q & TOE-Q are implemented in future
//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
@@ -2583,9 +2667,13 @@ if (1)
//rx_time = jiffies;
//rx_old_bytes = isPtr->rx_bytes;
__netif_rx_schedule(dev);
+ rx_poll_enabled = 1;
}
}
}
+ } else {
+
+ gmac_registers("check #3");
}
// Interrupt Status 0
@@ -3306,8 +3394,10 @@ next_rx:
SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
tp->rx_rwptr.bits32 = rwptr.bits32;
- toe_gmac_fill_free_q();
}
+
+ /* Handles first available packets only then refill the queue. */
+ toe_gmac_fill_free_q();
}
/*----------------------------------------------------------------------
@@ -4217,6 +4307,7 @@ static int gmac_rx_poll(struct net_devic
GMAC_RXDESC_T *curr_desc;
struct sk_buff *skb;
DMA_RWPTR_T rwptr;
+ unsigned int data32;
unsigned int pkt_size;
unsigned int desc_count;
unsigned int good_frame, chksum_status, rx_status;
@@ -4231,7 +4322,7 @@ static int gmac_rx_poll(struct net_devic
//unsigned long long rx_time;
-
+ BUG_ON(rx_poll_enabled == 0);
#if 1
if (do_again)
{
@@ -4516,6 +4607,30 @@ static int gmac_rx_poll(struct net_devic
#endif
//toe_gmac_fill_free_q();
netif_rx_complete(dev);
+
+ rx_poll_enabled = 0;
+
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+ if (tp->port_id == 0)
+ data32 |= DEFAULT_Q0_INT_BIT;
+ else
+ data32 |= DEFAULT_Q1_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+ if (tp->port_id == 0)
+ data32 |= DEFAULT_Q0_INT_BIT;
+ else
+ data32 |= DEFAULT_Q1_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+
+ data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+ if (tp->port_id == 0)
+ data32 |= DEFAULT_Q0_INT_BIT;
+ else
+ data32 |= DEFAULT_Q1_INT_BIT;
+ writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+
// enable GMAC-0 rx interrupt
// class-Q & TOE-Q are implemented in future
//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

View File

@ -1,398 +0,0 @@
--- a/arch/arm/mach-sl2312/sl3516_device.c
+++ b/arch/arm/mach-sl2312/sl3516_device.c
@@ -76,9 +76,30 @@ static struct platform_device sata0_devi
.resource = sl3516_sata0_resources,
};
+static struct resource sl351x_wdt_resources[] = {
+ [0] = {
+ .start = SL2312_WAQTCHDOG_BASE + 0x00,
+ .end = SL2312_WAQTCHDOG_BASE + 0x1C,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_WATCHDOG,
+ .end = IRQ_WATCHDOG,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device sl351x_wdt = {
+ .name = "sl351x-wdt",
+ .id = -1,
+ .resource = sl351x_wdt_resources,
+ .num_resources = ARRAY_SIZE(sl351x_wdt_resources),
+};
+
static struct platform_device *sata_devices[] __initdata = {
&sata_device,
&sata0_device,
+ &sl351x_wdt,
};
static int __init sl3516_init(void)
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -171,6 +171,17 @@ config EP93XX_WATCHDOG
To compile this driver as a module, choose M here: the
module will be called ep93xx_wdt.
+config WATCHDOG_SL351X
+ tristate "SL351x Watchdog"
+ depends on WATCHDOG && ARCH_SL2312
+ help
+ This driver adds watchdog support for the integrated watchdog in the
+ SL351x processors (Farraday core). If you have one of these processors
+ and wish to have watchdog support enabled, say Y, otherwise say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called sl351x_wdt.
+
config OMAP_WATCHDOG
tristate "OMAP Watchdog"
depends on ARCH_OMAP16XX || ARCH_OMAP24XX
--- a/drivers/char/watchdog/Makefile
+++ b/drivers/char/watchdog/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_S3C2410_WATCHDOG) += s3c241
obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
+obj-$(CONFIG_WATCHDOG_SL351X) += sl351x_wdt.o
obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o
obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o
--- /dev/null
+++ b/drivers/char/watchdog/sl351x_wdt.c
@@ -0,0 +1,332 @@
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/platform_device.h>
+#include <asm/uaccess.h>
+#include <asm/arch/sl2312.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/watchdog.h>
+#include <asm/io.h>
+#include <linux/interrupt.h>
+
+#define WATCHDOG_TEST 1
+#define PFX "sl351x-wdt: "
+
+#define _WATCHDOG_COUNTER 0x00
+#define _WATCHDOG_LOAD 0x04
+#define _WATCHDOG_RESTART 0x08
+#define _WATCHDOG_CR 0x0C
+#define _WATCHDOG_STATUS 0x10
+#define _WATCHDOG_CLEAR 0x14
+#define _WATCHDOG_INTRLEN 0x18
+
+static struct resource *wdt_mem;
+static struct resource *wdt_irq;
+static void __iomem *wdt_base;
+static int wdt_margin = WATCHDOG_TIMEOUT_MARGIN; /* in range of 0 .. 60s */
+
+static int open_state = WATCHDOG_DRIVER_CLOSE;
+static int wd_expire = 0;
+
+static void watchdog_enable(void)
+{
+ unsigned long wdcr;
+
+ wdcr = readl(wdt_base + _WATCHDOG_CR);
+ wdcr |= (WATCHDOG_WDENABLE_MSK|WATCHDOG_WDRST_MSK);
+#ifdef WATCHDOG_TEST
+ wdcr |= WATCHDOG_WDINTR_MSK;
+// wdcr &= ~WATCHDOG_WDRST_MSK;
+#endif
+ wdcr &= ~WATCHDOG_WDCLOCK_MSK;
+ writel(wdcr, wdt_base + _WATCHDOG_CR);
+}
+
+static void watchdog_set_timeout(unsigned long timeout)
+{
+ timeout = WATCHDOG_TIMEOUT_SCALE * timeout;
+ writel(timeout, wdt_base + _WATCHDOG_LOAD);
+ writel(WATCHDOG_RESTART_VALUE, wdt_base + _WATCHDOG_RESTART);
+}
+
+static void watchdog_keepalive(void)
+{
+ writel(WATCHDOG_RESTART_VALUE, wdt_base + _WATCHDOG_RESTART);
+}
+
+static void watchdog_disable(void)
+{
+ unsigned long wdcr;
+
+ wdcr = readl(wdt_base + _WATCHDOG_CR);
+ wdcr &= ~WATCHDOG_WDENABLE_MSK;
+ writel(wdcr, wdt_base + _WATCHDOG_CR);
+}
+
+
+#ifdef WATCHDOG_TEST
+static irqreturn_t watchdog_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+ unsigned int clear;
+
+ writel(WATCHDOG_CLEAR_STATUS, wdt_base + _WATCHDOG_CLEAR);
+ printk(KERN_INFO PFX "Watchdog timeout, resetting system...\n");
+
+ clear = __raw_readl(IO_ADDRESS(SL2312_INTERRUPT_BASE)+0x0C);
+ clear &= 0x01;
+ __raw_writel(clear,IO_ADDRESS(SL2312_INTERRUPT_BASE)+0x08);
+ wd_expire = 1;
+ return IRQ_HANDLED;
+}
+
+#endif
+
+#define OPTIONS WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE
+static struct watchdog_info sl351x_wdt_ident = {
+ .options = OPTIONS,
+ .firmware_version = 0,
+ .identity = "sl351x Watchdog",
+};
+
+struct file_operations watchdog_fops = {
+ .write = watchdog_write,
+ .read = watchdog_read,
+ .open = watchdog_open,
+ .release = watchdog_release,
+ .ioctl = watchdog_ioctl,
+};
+
+static int watchdog_open(struct inode *inode, struct file *filp)
+{
+ if (open_state == WATCHDOG_DRIVER_OPEN)
+ return -EBUSY;
+
+ wd_expire = 0;
+
+ watchdog_disable();
+ watchdog_set_timeout(wdt_margin);
+ watchdog_enable();
+
+ printk(KERN_INFO PFX "watchog timer enabled, margin: %ds.\n", wdt_margin);
+ open_state = WATCHDOG_DRIVER_OPEN;
+
+ return nonseekable_open(inode, filp);
+}
+
+static int watchdog_release(struct inode *inode, struct file *filp)
+{
+ watchdog_disable();
+
+ open_state = WATCHDOG_DRIVER_CLOSE;
+ wd_expire = 0;
+ printk(KERN_INFO PFX "watchog timer disabled, margin: %ds.\n", wdt_margin);
+
+ return 0;
+}
+
+static ssize_t watchdog_read(struct file *filp, char *buf, size_t count, loff_t *off)
+{
+ int i;
+ unsigned long val;
+
+
+ for(i=0;i< count;i++)
+ {
+ if ((i%4)==0)
+ val = *((unsigned long *)WATCHDOG_COUNTER);
+ buf[i] = (val & 0xFF);
+ val >>= 8;
+ }
+ return count;
+}
+
+static ssize_t watchdog_write(struct file *filp, const char *buf, size_t len, loff_t *off)
+{
+ /* Refresh the timer. */
+ if (len) {
+ watchdog_keepalive();
+ }
+ return len;
+
+}
+
+static int watchdog_ioctl(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ void __user *argp = (void __user *)arg;
+ int margin;
+
+ switch(cmd)
+ {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &sl351x_wdt_ident,
+ sizeof(sl351x_wdt_ident)) ? -EFAULT : 0;
+
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, (int __user*)argp);
+
+ case WDIOC_KEEPALIVE:
+ watchdog_keepalive();
+ return 0;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(margin, (int __user*)argp))
+ return -EFAULT;
+
+ /* Arbitrary, can't find the card's limits */
+ if ((margin < 0) || (margin > 60))
+ return -EINVAL;
+
+ // watchdog_disable();
+ wdt_margin = margin;
+ watchdog_set_timeout(margin);
+ watchdog_keepalive();
+ // watchdog_enable();
+
+ /* Fall through */
+
+ case WDIOC_GETTIMEOUT:
+ return put_user(wdt_margin, (int *)arg);
+
+ default:
+ return -ENOIOCTLCMD;
+ }
+}
+
+static struct miscdevice wd_dev= {
+ WATCHDOG_MINOR,
+ "watchdog",
+ &watchdog_fops
+};
+
+static char banner[] __initdata = KERN_INFO "SL351x Watchdog Timer, (c) 2007 WILIBOX\n";
+
+static int sl351x_wdt_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ int ret, size;
+ unsigned long wdcr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res == NULL) {
+ printk(KERN_INFO PFX "failed to get memory region resouce\n");
+ return -ENOMEM;
+ }
+
+ size = (res->end-res->start)+1;
+
+ wdt_mem = request_mem_region(res->start, size, pdev->name);
+ if (wdt_mem == NULL) {
+ printk(KERN_INFO PFX "failed to get memory region\n");
+ return -ENOENT;
+ }
+
+ wdt_base = ioremap(res->start, size);
+ if (wdt_base == NULL) {
+ printk(KERN_INFO PFX "failed to ioremap() region\n");
+ return -EINVAL;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (res == NULL) {
+ printk(KERN_INFO PFX "failed to get irq resource\n");
+ return -ENOENT;
+ }
+
+ wdt_irq = res;
+
+ ret = request_irq(res->start, watchdog_irq, 0, pdev->name, pdev);
+ if (ret != 0) {
+ printk(KERN_INFO PFX "failed to install irq (%d)\n", ret);
+ return ret;
+ }
+
+ wdcr = readl(wdt_base + _WATCHDOG_CR);
+ if (wdcr & WATCHDOG_WDENABLE_MSK) {
+ printk(KERN_INFO PFX "Found watchdog in enabled state, reseting ...\n");
+ wdcr &= ~WATCHDOG_WDENABLE_MSK;
+ writel(wdcr, wdt_base + _WATCHDOG_CR);
+ }
+
+ ret = misc_register(&wd_dev);
+
+ return ret;
+}
+
+static int sl351x_wdt_remove(struct platform_device *pdev)
+{
+ if (wdt_base != NULL) {
+ iounmap(wdt_base);
+ wdt_base = NULL;
+ }
+
+ if (wdt_irq != NULL) {
+ free_irq(wdt_irq->start, pdev);
+ release_resource(wdt_irq);
+ wdt_irq = NULL;
+ }
+
+ if (wdt_mem != NULL) {
+ release_resource(wdt_mem);
+ wdt_mem = NULL;
+ }
+
+ misc_deregister(&wd_dev);
+
+ return 0;
+}
+
+static void sl351x_wdt_shutdown(struct platform_device *dev)
+{
+ watchdog_disable();
+}
+
+#ifdef CONFIG_PM
+static int sl351x_wdt_suspend(struct platform_device *dev, pm_message_t state)
+{
+ watchdog_disable();
+}
+
+static int sl351x_wdt_resume(struct platform_device *dev)
+{
+ watchdog_set_timeout(wdt_margin);
+ watchdog_enable();
+}
+
+#else
+#define sl351x_wdt_suspend NULL
+#define sl351x_wdt_resume NULL
+#endif
+
+static struct platform_driver sl351x_wdt_driver = {
+ .probe = sl351x_wdt_probe,
+ .remove = sl351x_wdt_remove,
+ .shutdown = sl351x_wdt_shutdown,
+ .suspend = sl351x_wdt_suspend,
+ .resume = sl351x_wdt_resume,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "sl351x-wdt",
+ },
+};
+
+static int __init watchdog_init(void)
+{
+ printk(banner);
+ return platform_driver_register(&sl351x_wdt_driver);
+}
+
+static void __exit watchdog_exit(void)
+{
+ platform_driver_unregister(&sl351x_wdt_driver);
+}
+
+module_init(watchdog_init);
+module_exit(watchdog_exit);

View File

@ -1,384 +0,0 @@
--- /dev/null
+++ b/drivers/char/gemini_gpio_dev.c
@@ -0,0 +1,356 @@
+/*
+ * GPIO driver for Gemini board
+ * Provides /dev/gpio
+ */
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/fcntl.h>
+#include <linux/miscdevice.h>
+#include <asm/uaccess.h> /* copy_to_user, copy_from_user */
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/sl2312.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/gemini_gpio.h>
+
+#define GEMINI_GPIO_BASE1 IO_ADDRESS(SL2312_GPIO_BASE)
+#define GEMINI_GPIO_BASE2 IO_ADDRESS(SL2312_GPIO_BASE1)
+
+#define GPIO_SET 2
+#define MAX_GPIO_LINE 32*GPIO_SET
+
+wait_queue_head_t gemini_gpio_wait[MAX_GPIO_LINE];
+
+enum GPIO_REG
+{
+ GPIO_DATA_OUT = 0x00,
+ GPIO_DATA_IN = 0x04,
+ GPIO_PIN_DIR = 0x08,
+ GPIO_BY_PASS = 0x0C,
+ GPIO_DATA_SET = 0x10,
+ GPIO_DATA_CLEAR = 0x14,
+ GPIO_PULL_ENABLE = 0x18,
+ GPIO_PULL_TYPE = 0x1C,
+ GPIO_INT_ENABLE = 0x20,
+ GPIO_INT_RAW_STATUS = 0x24,
+ GPIO_INT_MASK_STATUS = 0x28,
+ GPIO_INT_MASK = 0x2C,
+ GPIO_INT_CLEAR = 0x30,
+ GPIO_INT_TRIG = 0x34,
+ GPIO_INT_BOTH = 0x38,
+ GPIO_INT_POLAR = 0x3C
+};
+
+unsigned int regist_gpio_int0=0,regist_gpio_int1=0;
+
+/* defines a specific GPIO bit number and state */
+struct gpio_bit {
+ unsigned char bit;
+ unsigned char state;
+};
+
+#define GPIO_MAJOR 10
+#define GPIO_MINOR 127
+
+/*
+ * ioctl calls that are permitted to the /dev/gpio interface
+ */
+#define GPIO_GET_BIT 0x0000001
+#define GPIO_SET_BIT 0x0000002
+#define GPIO_GET_CONFIG 0x0000003
+#define GPIO_SET_CONFIG 0x0000004
+
+//#define GPIO_CONFIG_OUT 1
+//#define GPIO_CONFIG_IN 2
+
+
+
+#define DEVICE_NAME "gpio"
+
+//#define DEBUG
+
+/*
+ * GPIO interface
+ */
+
+/* /dev/gpio */
+static int gpio_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg);
+
+/* /proc/driver/gpio */
+static int gpio_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+
+static unsigned char gpio_status; /* bitmapped status byte. */
+
+/* functions for set/get gpio lines on storlink cpu */
+
+void gpio_line_get(unsigned char pin, u32 * data)
+{
+ unsigned int set = pin >>5; // each GPIO set has 32 pins
+ unsigned int status,addr;
+
+ addr = (set ? GEMINI_GPIO_BASE2:GEMINI_GPIO_BASE1) + GPIO_DATA_IN;
+ status = readl(addr);
+#ifdef DEBUG
+ printk("status = %08X, pin = %d, set = %d\n", status, pin, set);
+#endif
+ if (set)
+ *data = (status&(1<<(pin-32)))?1:0;
+ else
+ *data = (status&(1<<pin))?1:0;
+}
+
+void gpio_line_set(unsigned char pin, u32 high)
+{
+ unsigned char set = pin >>5; // each GPIO set has 32 pins
+ unsigned int status=0,addr;
+
+ addr = (set ? GEMINI_GPIO_BASE2:GEMINI_GPIO_BASE1)+(high?GPIO_DATA_SET:GPIO_DATA_CLEAR);
+
+ status &= ~(1 << (pin %32));
+ status |= (1 << (pin % 32));
+ writel(status,addr);
+}
+
+/*
+ * pin = [0..63]
+ * mode =
+ * 1 -- OUT
+ * 2 -- IN
+ */
+void gpio_line_config(unsigned char pin, unsigned char mode)
+{
+ unsigned char set = pin >>5; // each GPIO set has 32 pins
+ unsigned int status,addr;
+
+ addr = (set ? GEMINI_GPIO_BASE2:GEMINI_GPIO_BASE1)+GPIO_PIN_DIR;
+ status = readl(addr);
+
+ status &= ~(1 << (pin %32));
+ if (mode == 1)
+ status |= (1 << (pin % 32)); /* PinDir: 0 - input, 1 - output */
+
+ writel(status,addr);
+#if 0
+ /* enable pullup-high if mode is input */
+
+ addr = (set ? GEMINI_GPIO_BASE2:GEMINI_GPIO_BASE1)+GPIO_PULL_ENABLE;
+ status = readl(addr);
+
+ status &= ~(1 << (pin %32));
+ if (mode == 2) /* input */
+ status |= (1 << (pin % 32)); /* PullEnable: 0 - disable, 1 - enable */
+
+ writel(status,addr);
+
+ addr = (set ? GEMINI_GPIO_BASE2:GEMINI_GPIO_BASE1)+GPIO_PULL_TYPE;
+ status = readl(addr);
+
+ status &= ~(1 << (pin %32));
+ if (mode == 2) /* input */
+ status |= (1 << (pin % 32)); /* PullType: 0 - low, 1 - high */
+
+ writel(status,addr);
+#endif
+}
+
+#define GPIO_IS_OPEN 0x01 /* means /dev/gpio is in use */
+
+/*
+ * Now all the various file operations that we export.
+ */
+static int gpio_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct gpio_bit bit;
+ u32 val;
+
+ if (copy_from_user(&bit, (struct gpio_bit *)arg,
+ sizeof(bit)))
+ return -EFAULT;
+
+ switch (cmd) {
+
+ case GPIO_GET_BIT:
+ gpio_line_get(bit.bit, &val);
+ bit.state = val;
+ return copy_to_user((void *)arg, &bit, sizeof(bit)) ? -EFAULT : 0;
+ case GPIO_SET_BIT:
+ val = bit.state;
+ gpio_line_set(bit.bit, val);
+ return 0;
+ case GPIO_GET_CONFIG:
+ // gpio_line_config(bit.bit, bit.state);
+ return copy_to_user((void *)arg, &bit, sizeof(bit)) ? -EFAULT : 0;
+ case GPIO_SET_CONFIG:
+ val = bit.state;
+ gpio_line_config(bit.bit, bit.state);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+
+static int gpio_open(struct inode *inode, struct file *file)
+{
+ if (gpio_status & GPIO_IS_OPEN)
+ return -EBUSY;
+
+ gpio_status |= GPIO_IS_OPEN;
+ return 0;
+}
+
+
+static int gpio_release(struct inode *inode, struct file *file)
+{
+ /*
+ * Turn off all interrupts once the device is no longer
+ * in use and clear the data.
+ */
+
+ gpio_status &= ~GPIO_IS_OPEN;
+ return 0;
+}
+
+
+/*
+ * The various file operations we support.
+ */
+
+static struct file_operations gpio_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = gpio_ioctl,
+ .open = gpio_open,
+ .release = gpio_release,
+};
+
+static struct miscdevice gpio_dev =
+{
+ .minor = GPIO_MINOR,
+ .name = "gpio",
+ .fops = &gpio_fops,
+};
+
+
+
+
+#ifdef CONFIG_PROC_FS
+static struct proc_dir_entry *dir;
+
+/*
+ * Info exported via "/proc/driver/gpio".
+ */
+static int gpio_get_status(char *buf)
+{
+ char *p = buf;
+ u32 val = 0;
+ int i;
+ int bit;
+#ifdef DEBUG
+ u32 addr;
+
+ for (i = 0; i < 0x20; i+=4 ) {
+ addr = IO_ADDRESS(SL2312_GPIO_BASE) + i;
+ val = readl(addr);
+ p+=sprintf(p, "GPIO0: 0x%02X: %08X\n", i, val );
+ }
+ for (i = 0; i < 0x20; i+=4 ) {
+ addr = IO_ADDRESS(SL2312_GPIO_BASE1) + i;
+ val = readl(addr);
+ p+=sprintf(p, "GPIO1: 0x%02X: %08X\n", i, val );
+ }
+#endif
+
+ for (i = 0; i < 32; i++) {
+ gpio_line_get(i, &bit);
+ if (bit)
+ val |= (1 << i);
+ }
+ p += sprintf(p, "gpio0\t: 0x%08x\n", val);
+
+ val = 0;
+ for (i = 32; i < 64; i++) {
+ gpio_line_get(i, &bit);
+ if (bit)
+ val |= (1 << i);
+ }
+ p += sprintf(p, "gpio1\t: 0x%08x\n", val);
+
+ return p - buf;
+}
+
+
+/* /proc/driver/gpio read op
+ */
+static int gpio_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ int len = gpio_get_status (page);
+
+ if (len <= off+count)
+ *eof = 1;
+ *start = page + off;
+ len -= off;
+ if ( len > count )
+ len = count;
+ if ( len < 0 )
+ len = 0;
+ return len;
+}
+#endif /* CONFIG_PROC_FS */
+
+
+static int __init gpio_init_module(void)
+{
+ int retval;
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *res;
+#endif
+
+ /* register /dev/gpio file ops */
+ //retval = register_chrdev(GPIO_MAJOR, DEVICE_NAME, &gpio_fops);
+ retval = misc_register(&gpio_dev);
+ if(retval < 0)
+ return retval;
+
+#ifdef CONFIG_PROC_FS
+ dir = proc_mkdir("driver/gpio", NULL);
+ if (!dir) {
+ misc_deregister(&gpio_dev);
+ return -ENOMEM;
+ }
+ /* register /proc/driver/gpio */
+ res = create_proc_entry("info", 0644, dir);
+ if (res) {
+ res->read_proc= gpio_read_proc;
+ } else {
+ misc_deregister(&gpio_dev);
+ return -ENOMEM;
+ }
+#endif
+
+ printk("%s: GPIO driver loaded\n", __FILE__);
+
+ return 0;
+}
+
+static void __exit gpio_cleanup_module(void)
+{
+ remove_proc_entry ("info", dir);
+ misc_deregister(&gpio_dev);
+
+ printk("%s: GPIO driver unloaded\n", __FILE__);
+}
+
+module_init(gpio_init_module);
+module_exit(gpio_cleanup_module);
+
+MODULE_AUTHOR("Jonas Majauskas");
+MODULE_LICENSE("GPL");
+
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1071,5 +1071,12 @@ config DEVPORT
source "drivers/s390/char/Kconfig"
+config GEMINI_GPIO_DEV
+ tristate "GPIO driver for Gemini board (provides /dev/gpio)"
+ depends on ARCH_SL2312
+ default n
+ help
+ GPIO driver for Gemini boards - SL3512, SL3516.
+
endmenu
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -116,6 +116,7 @@ obj-$(CONFIG_IPMI_HANDLER) += ipmi/
obj-$(CONFIG_HANGCHECK_TIMER) += hangcheck-timer.o
obj-$(CONFIG_TCG_TPM) += tpm/
+obj-$(CONFIG_GEMINI_GPIO_DEV) += gemini_gpio_dev.o
obj-$(CONFIG_PS3_FLASH) += ps3flash.o

View File

@ -35,7 +35,7 @@ config EABI_SUPPORT
bool
depends arm||armeb
prompt "Enable EABI support" if TOOLCHAINOPTS
default n if (TARGET_gemini || TARGET_storm)
default n if TARGET_gemini
default y
help
Enable ARM EABI support