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

SVN-Revision: 16274
v19.07.3_mercusys_ac12_duma
Imre Kaloz 15 years ago
parent 51ed99475f
commit 7f9fd5033c

@ -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

@ -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))

@ -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

@ -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))

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

@ -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))

@ -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 */

@ -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

@ -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);

@ -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

@ -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

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