ath25: import from openwrt/main

ath25 was dropped in the main repo, so lets add it here in case anyone
needs it still.

Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Robert Marko 2024-03-05 10:44:14 +01:00
parent a1497c4562
commit 5d2306e287
23 changed files with 4754 additions and 0 deletions

23
ath25/Makefile Normal file
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2013 OpenWrt.org
include $(TOPDIR)/rules.mk
ARCH:=mips
BOARD:=ath25
BOARDNAME:=Atheros AR231x/AR5312
FEATURES:=squashfs low_mem small_flash source-only
SUBTARGETS:=generic
KERNEL_PATCHVER:=5.15
define Target/Description
Build firmware images for Atheros SoC boards
endef
include $(INCLUDE_DIR)/target.mk
DEFAULT_PACKAGES += wpad-basic-mbedtls kmod-ath5k swconfig kmod-gpio-button-hotplug
$(eval $(call BuildTarget))

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# Copyright 2012-2015 OpenWrt.org
#
. /lib/functions/uci-defaults.sh
board_config_update
ucidef_set_led_netdev "wlan" "wlan" "wlan" "wlan0"
board_config_flush
exit 0

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. /lib/functions/uci-defaults.sh
board_config_update
if [ -e "/sys/bus/mdio_bus/drivers/IC+ IP175C/0:00" -o \
-e "/sys/bus/mdio_bus/drivers/IC+ IP17xx/0:00" ] && \
[ -x /sbin/swconfig ];
then
ucidef_add_switch "eth0" \
"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0"
elif [ -e "/sys/bus/mdio_bus/drivers/Infineon ADM6996/0:00" -o \
-e "/sys/bus/mdio_bus/drivers/Marvell 88E6060/0:10" ];
then
ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
elif [ -d /sys/class/net/eth1 ]; then
ucidef_set_interfaces_lan_wan "eth0" "eth1"
else
ucidef_set_interface_lan "eth0"
fi
board_config_flush
exit 0

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preinit_ip() {
if [ -z "$pi_ifname" ]; then
grep -q 'Atheros AR231[567]' /proc/cpuinfo && {
if [ -e "/sys/bus/mdio_bus/drivers/Infineon ADM6996/0:00" -o \
-e "/sys/bus/mdio_bus/drivers/Marvell 88E6060/0:10" ]; then
ip link set eth0 up
ip link add link eth0 name eth0.1 type vlan id 1
ifname=eth0.1
else
ifname=eth0
fi
pi_ifname=$ifname
}
fi
[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
ip addr add $pi_ip/$pi_netmask broadcast $pi_broadcast dev $pi_ifname
ip link set $pi_ifname up
}
}
preinit_ip_deconfig() {
if [ -e "/sys/bus/mdio_bus/drivers/Infineon ADM6996/0:00" -o \
-e "/sys/bus/mdio_bus/drivers/Marvell 88E6060/0:10" ]; then
ip link del eth0.1 2>/dev/null
ip link set $pi_ifname down
elif [ -n "$pi_ifname" ]; then
ip -4 addr flush dev $pi_ifname
fi
}

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CI_BLKSZ=65536
CI_LDADR=0x80041000
platform_find_partitions() {
local first dev size erasesize name
while read dev size erasesize name; do
name=${name#'"'}; name=${name%'"'}
case "$name" in
vmlinux.bin.l7|kernel|linux|rootfs)
if [ -z "$first" ]; then
first="$name"
else
echo "$erasesize:$first:$name"
break
fi
;;
esac
done < /proc/mtd
}
platform_find_kernelpart() {
local part
for part in "${1%:*}" "${1#*:}"; do
case "$part" in
vmlinux.bin.l7|kernel|linux)
echo "$part"
break
;;
esac
done
}
platform_check_image() {
[ "$#" -gt 1 ] && return 1
case "$(get_magic_word "$1")" in
# Combined Image
4349)
local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
return 0
else
echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
return 1
fi
;;
*)
echo "Invalid image. Use combined .img files on this platform"
return 1
;;
esac
}
platform_do_upgrade() {
local partitions=$(platform_find_partitions)
local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
local kern_blocks=$(($kern_length / $CI_BLKSZ))
local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
[ ${kern_blocks:-0} -gt 0 ] && \
[ ${root_blocks:-0} -gt ${kern_blocks:-0} ] && \
[ ${erase_size:-0} -gt 0 ];
then
local append=""
[ -f "$UPGRADE_BACKUP" ] && append="-j $UPGRADE_BACKUP"
( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \
mtd -r $append -F$kernelpart:$kern_length:$CI_LDADR,rootfs write - $partitions
fi
}

132
ath25/config-5.15 Normal file
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CONFIG_ADM6996_PHY=y
CONFIG_AR2315_WDT=y
CONFIG_AR8216_PHY=y
CONFIG_ARCH_32BIT_OFF_T=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_KEEP_MEMBLOCK=y
CONFIG_ARCH_MMAP_RND_BITS_MAX=15
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=15
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ATH25=y
CONFIG_BLK_MQ_PCI=y
CONFIG_CEVT_R4K=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2"
CONFIG_CMDLINE_BOOL=y
# CONFIG_CMDLINE_OVERRIDE is not set
# CONFIG_COMMON_CLK is not set
CONFIG_COMPAT_32BIT_TIME=y
CONFIG_CPU_BIG_ENDIAN=y
CONFIG_CPU_GENERIC_DUMP_TLB=y
CONFIG_CPU_HAS_PREFETCH=y
CONFIG_CPU_HAS_SYNC=y
CONFIG_CPU_MIPS32=y
CONFIG_CPU_MIPS32_R1=y
CONFIG_CPU_MIPSR1=y
CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
CONFIG_CPU_R4K_CACHE_TLB=y
CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
CONFIG_CPU_SUPPORTS_HIGHMEM=y
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=2
CONFIG_CRYPTO_RNG2=y
CONFIG_CSRC_R4K=y
CONFIG_DMA_NONCOHERENT=y
CONFIG_EARLY_PRINTK=y
CONFIG_ETHERNET_PACKET_MANGLE=y
CONFIG_FORCE_PCI=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_GETTIMEOFDAY=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_LIB_ASHLDI3=y
CONFIG_GENERIC_LIB_ASHRDI3=y
CONFIG_GENERIC_LIB_CMPDI2=y
CONFIG_GENERIC_LIB_LSHRDI3=y
CONFIG_GENERIC_LIB_UCMPDI2=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_SCHED_CLOCK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GPIO_AR2315=y
CONFIG_GPIO_AR5312=y
CONFIG_GPIO_CDEV=y
CONFIG_HANDLE_DOMAIN_IRQ=y
CONFIG_HARDWARE_WATCHPOINTS=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HW_RANDOM=y
CONFIG_HZ_PERIODIC=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_IP17XX_PHY=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_MIPS_CPU=y
CONFIG_IRQ_WORK=y
CONFIG_LEDS_GPIO=y
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_MDIO_BUS=y
CONFIG_MDIO_DEVICE=y
CONFIG_MDIO_DEVRES=y
CONFIG_MEMFD_CREATE=y
CONFIG_MIGRATION=y
CONFIG_MIPS=y
CONFIG_MIPS_ASID_BITS=8
CONFIG_MIPS_ASID_SHIFT=0
CONFIG_MIPS_CLOCK_VSYSCALL=y
# CONFIG_MIPS_CMDLINE_BUILTIN_EXTEND is not set
CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
CONFIG_MIPS_EBPF_JIT=y
CONFIG_MIPS_L1_CACHE_SHIFT=5
CONFIG_MIPS_LD_CAN_LINK_VDSO=y
CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MTD_AR2315=y
CONFIG_MTD_CFI_ADV_OPTIONS=y
# CONFIG_MTD_CFI_GEOMETRY is not set
# CONFIG_MTD_CFI_INTELEXT is not set
CONFIG_MTD_MYLOADER_PARTS=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-3
CONFIG_MTD_REDBOOT_PARTS=y
CONFIG_MVSWITCH_PHY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_AR231X=y
CONFIG_NET_SELFTESTS=y
CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
# CONFIG_OF is not set
CONFIG_PCI=y
CONFIG_PCI_AR2315=y
CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DRIVERS_LEGACY=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_PHYLIB=y
CONFIG_PTP_1588_CLOCK_OPTIONAL=y
CONFIG_SERIAL_8250_NR_UARTS=1
CONFIG_SERIAL_8250_RUNTIME_UARTS=1
CONFIG_SERIAL_MCTRL_GPIO=y
CONFIG_SOC_AR2315=y
CONFIG_SOC_AR5312=y
CONFIG_SRCU=y
# CONFIG_SWAP is not set
CONFIG_SWCONFIG=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_SYS_HAS_CPU_MIPS32_R1=y
CONFIG_SYS_HAS_EARLY_PRINTK=y
CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
CONFIG_TARGET_ISA_REV=1
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TINY_SRCU=y
CONFIG_USB_SUPPORT=y

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/*
* Marvell 88E6060 switch driver
* Copyright (c) 2008 Felix Fietkau <nbd@nbd.name>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License v2 as published by the
* Free Software Foundation
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/if_vlan.h>
#include <linux/version.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include "mvswitch.h"
/* Undefine this to use trailer mode instead.
* I don't know if header mode works with all chips */
#define HEADER_MODE 1
MODULE_DESCRIPTION("Marvell 88E6060 Switch driver");
MODULE_AUTHOR("Felix Fietkau");
MODULE_LICENSE("GPL");
#define MVSWITCH_MAGIC 0x88E6060
struct mvswitch_priv {
netdev_features_t orig_features;
u8 vlans[16];
};
#define to_mvsw(_phy) ((struct mvswitch_priv *) (_phy)->priv)
static inline u16
r16(struct phy_device *phydev, int addr, int reg)
{
struct mii_bus *bus = phydev->mdio.bus;
return bus->read(bus, addr, reg);
}
static inline void
w16(struct phy_device *phydev, int addr, int reg, u16 val)
{
struct mii_bus *bus = phydev->mdio.bus;
bus->write(bus, addr, reg, val);
}
static struct sk_buff *
mvswitch_mangle_tx(struct net_device *dev, struct sk_buff *skb)
{
struct mvswitch_priv *priv;
char *buf = NULL;
u16 vid;
priv = dev->phy_ptr;
if (unlikely(!priv))
goto error;
if (unlikely(skb->len < 16))
goto error;
#ifdef HEADER_MODE
if (__vlan_hwaccel_get_tag(skb, &vid))
goto error;
if (skb_cloned(skb) || (skb->len <= 62) || (skb_headroom(skb) < MV_HEADER_SIZE)) {
if (pskb_expand_head(skb, MV_HEADER_SIZE, (skb->len < 62 ? 62 - skb->len : 0), GFP_ATOMIC))
goto error_expand;
if (skb->len < 62)
skb->len = 62;
}
buf = skb_push(skb, MV_HEADER_SIZE);
#else
if (__vlan_get_tag(skb, &vid))
goto error;
if (unlikely((vid > 15 || !priv->vlans[vid])))
goto error;
if (skb->len <= 64) {
if (pskb_expand_head(skb, 0, 64 + MV_TRAILER_SIZE - skb->len, GFP_ATOMIC))
goto error_expand;
buf = skb->data + 64;
skb->len = 64 + MV_TRAILER_SIZE;
} else {
if (skb_cloned(skb) || unlikely(skb_tailroom(skb) < 4)) {
if (pskb_expand_head(skb, 0, 4, GFP_ATOMIC))
goto error_expand;
}
buf = skb_put(skb, 4);
}
/* move the ethernet header 4 bytes forward, overwriting the vlan tag */
memmove(skb->data + 4, skb->data, 12);
skb->data += 4;
skb->len -= 4;
skb->mac_header += 4;
#endif
if (!buf)
goto error;
#ifdef HEADER_MODE
/* prepend the tag */
*((__be16 *) buf) = cpu_to_be16(
((vid << MV_HEADER_VLAN_S) & MV_HEADER_VLAN_M) |
((priv->vlans[vid] << MV_HEADER_PORTS_S) & MV_HEADER_PORTS_M)
);
#else
/* append the tag */
*((__be32 *) buf) = cpu_to_be32((
(MV_TRAILER_OVERRIDE << MV_TRAILER_FLAGS_S) |
((priv->vlans[vid] & MV_TRAILER_PORTS_M) << MV_TRAILER_PORTS_S)
));
#endif
return skb;
error_expand:
if (net_ratelimit())
printk("%s: failed to expand/update skb for the switch\n", dev->name);
error:
/* any errors? drop the packet! */
dev_kfree_skb_any(skb);
return NULL;
}
static void
mvswitch_mangle_rx(struct net_device *dev, struct sk_buff *skb)
{
struct mvswitch_priv *priv;
unsigned char *buf;
int vlan = -1;
int i;
priv = dev->phy_ptr;
if (WARN_ON_ONCE(!priv))
return;
#ifdef HEADER_MODE
buf = skb->data;
skb_pull(skb, MV_HEADER_SIZE);
#else
buf = skb->data + skb->len - MV_TRAILER_SIZE;
if (buf[0] != 0x80)
return;
#endif
/* look for the vlan matching the incoming port */
for (i = 0; i < ARRAY_SIZE(priv->vlans); i++) {
if ((1 << buf[1]) & priv->vlans[i])
vlan = i;
}
if (vlan == -1)
return;
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan);
}
static int
mvswitch_wait_mask(struct phy_device *pdev, int addr, int reg, u16 mask, u16 val)
{
int i = 100;
u16 r;
do {
r = r16(pdev, addr, reg) & mask;
if (r == val)
return 0;
} while(--i > 0);
return -ETIMEDOUT;
}
static int
mvswitch_config_init(struct phy_device *pdev)
{
struct mvswitch_priv *priv = to_mvsw(pdev);
struct net_device *dev = pdev->attached_dev;
u8 vlmap = 0;
int i;
if (!dev)
return -EINVAL;
printk("%s: Marvell 88E6060 PHY driver attached.\n", dev->name);
linkmode_zero(pdev->supported);
linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, pdev->supported);
linkmode_copy(pdev->advertising, pdev->supported);
dev->phy_ptr = priv;
pdev->irq = PHY_POLL;
#ifdef HEADER_MODE
dev->flags |= IFF_PROMISC;
#endif
/* initialize default vlans */
for (i = 0; i < MV_PORTS; i++)
priv->vlans[(i == MV_WANPORT ? 2 : 1)] |= (1 << i);
/* before entering reset, disable all ports */
for (i = 0; i < MV_PORTS; i++)
w16(pdev, MV_PORTREG(CONTROL, i), 0x00);
msleep(2); /* wait for the status change to settle in */
/* put the ATU in reset */
w16(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET);
i = mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET, 0);
if (i < 0) {
printk("%s: Timeout waiting for the switch to reset.\n", dev->name);
return i;
}
/* set the ATU flags */
w16(pdev, MV_SWITCHREG(ATU_CTRL),
MV_ATUCTL_NO_LEARN |
MV_ATUCTL_ATU_1K |
MV_ATUCTL_AGETIME(MV_ATUCTL_AGETIME_MIN) /* minimum without disabling ageing */
);
/* initialize the cpu port */
w16(pdev, MV_PORTREG(CONTROL, MV_CPUPORT),
#ifdef HEADER_MODE
MV_PORTCTRL_HEADER |
#else
MV_PORTCTRL_RXTR |
MV_PORTCTRL_TXTR |
#endif
MV_PORTCTRL_ENABLED
);
/* wait for the phy change to settle in */
msleep(2);
for (i = 0; i < MV_PORTS; i++) {
u8 pvid = 0;
int j;
vlmap = 0;
/* look for the matching vlan */
for (j = 0; j < ARRAY_SIZE(priv->vlans); j++) {
if (priv->vlans[j] & (1 << i)) {
vlmap = priv->vlans[j];
pvid = j;
}
}
/* leave port unconfigured if it's not part of a vlan */
if (!vlmap)
continue;
/* add the cpu port to the allowed destinations list */
vlmap |= (1 << MV_CPUPORT);
/* take port out of its own vlan destination map */
vlmap &= ~(1 << i);
/* apply vlan settings */
w16(pdev, MV_PORTREG(VLANMAP, i),
MV_PORTVLAN_PORTS(vlmap) |
MV_PORTVLAN_ID(i)
);
/* re-enable port */
w16(pdev, MV_PORTREG(CONTROL, i),
MV_PORTCTRL_ENABLED
);
}
w16(pdev, MV_PORTREG(VLANMAP, MV_CPUPORT),
MV_PORTVLAN_ID(MV_CPUPORT)
);
/* set the port association vector */
for (i = 0; i <= MV_PORTS; i++) {
w16(pdev, MV_PORTREG(ASSOC, i),
MV_PORTASSOC_PORTS(1 << i)
);
}
/* init switch control */
w16(pdev, MV_SWITCHREG(CTRL),
MV_SWITCHCTL_MSIZE |
MV_SWITCHCTL_DROP
);
dev->eth_mangle_rx = mvswitch_mangle_rx;
dev->eth_mangle_tx = mvswitch_mangle_tx;
priv->orig_features = dev->features;
#ifdef HEADER_MODE
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
dev->priv_flags |= IFF_NO_IP_ALIGN;
#else
dev->extra_priv_flags |= IFF_NO_IP_ALIGN;
#endif
dev->features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX;
#else
dev->features |= NETIF_F_HW_VLAN_CTAG_RX;
#endif
return 0;
}
static int
mvswitch_read_status(struct phy_device *pdev)
{
pdev->speed = SPEED_100;
pdev->duplex = DUPLEX_FULL;
pdev->link = 1;
/* XXX ugly workaround: we can't force the switch
* to gracefully handle hosts moving from one port to another,
* so we have to regularly clear the ATU database */
/* wait for the ATU to become available */
mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0);
/* flush the ATU */
w16(pdev, MV_SWITCHREG(ATU_OP),
MV_ATUOP_INPROGRESS |
MV_ATUOP_FLUSH_ALL
);
/* wait for operation to complete */
mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0);
return 0;
}
static int
mvswitch_aneg_done(struct phy_device *phydev)
{
return 1; /* Return any positive value */
}
static int
mvswitch_config_aneg(struct phy_device *phydev)
{
return 0;
}
static void
mvswitch_detach(struct phy_device *pdev)
{
struct mvswitch_priv *priv = to_mvsw(pdev);
struct net_device *dev = pdev->attached_dev;
if (!dev)
return;
dev->phy_ptr = NULL;
dev->eth_mangle_rx = NULL;
dev->eth_mangle_tx = NULL;
dev->features = priv->orig_features;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
dev->priv_flags &= ~IFF_NO_IP_ALIGN;
#else
dev->extra_priv_flags &= ~IFF_NO_IP_ALIGN;
#endif
}
static void
mvswitch_remove(struct phy_device *pdev)
{
struct mvswitch_priv *priv = to_mvsw(pdev);
kfree(priv);
}
static int
mvswitch_probe(struct phy_device *pdev)
{
struct mvswitch_priv *priv;
priv = kzalloc(sizeof(struct mvswitch_priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
pdev->priv = priv;
return 0;
}
static int
mvswitch_fixup(struct phy_device *dev)
{
struct mii_bus *bus = dev->mdio.bus;
u16 reg;
if (dev->mdio.addr != 0x10)
return 0;
reg = bus->read(bus, MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
if (reg != MV_IDENT_VALUE)
return 0;
dev->phy_id = MVSWITCH_MAGIC;
return 0;
}
static struct phy_driver mvswitch_driver = {
.name = "Marvell 88E6060",
.phy_id = MVSWITCH_MAGIC,
.phy_id_mask = 0xffffffff,
.features = PHY_BASIC_FEATURES,
.probe = &mvswitch_probe,
.remove = &mvswitch_remove,
.detach = &mvswitch_detach,
.config_init = &mvswitch_config_init,
.config_aneg = &mvswitch_config_aneg,
.aneg_done = &mvswitch_aneg_done,
.read_status = &mvswitch_read_status,
};
static int __init
mvswitch_init(void)
{
phy_register_fixup_for_id(PHY_ANY_ID, mvswitch_fixup);
return phy_driver_register(&mvswitch_driver, THIS_MODULE);
}
static void __exit
mvswitch_exit(void)
{
phy_driver_unregister(&mvswitch_driver);
}
module_init(mvswitch_init);
module_exit(mvswitch_exit);

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/*
* Marvell 88E6060 switch driver
* Copyright (c) 2008 Felix Fietkau <nbd@nbd.name>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License v2 as published by the
* Free Software Foundation
*/
#ifndef __MVSWITCH_H
#define __MVSWITCH_H
#define MV_HEADER_SIZE 2
#define MV_HEADER_PORTS_M 0x001f
#define MV_HEADER_PORTS_S 0
#define MV_HEADER_VLAN_M 0xf000
#define MV_HEADER_VLAN_S 12
#define MV_TRAILER_SIZE 4
#define MV_TRAILER_PORTS_M 0x1f
#define MV_TRAILER_PORTS_S 16
#define MV_TRAILER_FLAGS_S 24
#define MV_TRAILER_OVERRIDE 0x80
#define MV_PORTS 5
#define MV_WANPORT 4
#define MV_CPUPORT 5
#define MV_BASE 0x10
#define MV_PHYPORT_BASE (MV_BASE + 0x0)
#define MV_PHYPORT(_n) (MV_PHYPORT_BASE + (_n))
#define MV_SWITCHPORT_BASE (MV_BASE + 0x8)
#define MV_SWITCHPORT(_n) (MV_SWITCHPORT_BASE + (_n))
#define MV_SWITCHREGS (MV_BASE + 0xf)
enum {
MV_PHY_CONTROL = 0x00,
MV_PHY_STATUS = 0x01,
MV_PHY_IDENT0 = 0x02,
MV_PHY_IDENT1 = 0x03,
MV_PHY_ANEG = 0x04,
MV_PHY_LINK_ABILITY = 0x05,
MV_PHY_ANEG_EXPAND = 0x06,
MV_PHY_XMIT_NEXTP = 0x07,
MV_PHY_LINK_NEXTP = 0x08,
MV_PHY_CONTROL1 = 0x10,
MV_PHY_STATUS1 = 0x11,
MV_PHY_INTR_EN = 0x12,
MV_PHY_INTR_STATUS = 0x13,
MV_PHY_INTR_PORT = 0x14,
MV_PHY_RECV_COUNTER = 0x16,
MV_PHY_LED_PARALLEL = 0x16,
MV_PHY_LED_STREAM = 0x17,
MV_PHY_LED_CTRL = 0x18,
MV_PHY_LED_OVERRIDE = 0x19,
MV_PHY_VCT_CTRL = 0x1a,
MV_PHY_VCT_STATUS = 0x1b,
MV_PHY_CONTROL2 = 0x1e
};
#define MV_PHYREG(_type, _port) MV_PHYPORT(_port), MV_PHY_##_type
enum {
MV_PORT_STATUS = 0x00,
MV_PORT_IDENT = 0x03,
MV_PORT_CONTROL = 0x04,
MV_PORT_VLANMAP = 0x06,
MV_PORT_ASSOC = 0x0b,
MV_PORT_RXCOUNT = 0x10,
MV_PORT_TXCOUNT = 0x11,
};
#define MV_PORTREG(_type, _port) MV_SWITCHPORT(_port), MV_PORT_##_type
enum {
MV_PORTCTRL_BLOCK = (1 << 0),
MV_PORTCTRL_LEARN = (2 << 0),
MV_PORTCTRL_ENABLED = (3 << 0),
MV_PORTCTRL_VLANTUN = (1 << 7), /* Enforce VLANs on packets */
MV_PORTCTRL_RXTR = (1 << 8), /* Enable Marvell packet trailer for ingress */
MV_PORTCTRL_HEADER = (1 << 11), /* Enable Marvell packet header mode for port */
MV_PORTCTRL_TXTR = (1 << 14), /* Enable Marvell packet trailer for egress */
MV_PORTCTRL_FORCEFL = (1 << 15), /* force flow control */
};
#define MV_PORTVLAN_ID(_n) (((_n) & 0xf) << 12)
#define MV_PORTVLAN_PORTS(_n) ((_n) & 0x3f)
#define MV_PORTASSOC_PORTS(_n) ((_n) & 0x1f)
#define MV_PORTASSOC_MONITOR (1 << 15)
enum {
MV_SWITCH_MAC0 = 0x01,
MV_SWITCH_MAC1 = 0x02,
MV_SWITCH_MAC2 = 0x03,
MV_SWITCH_CTRL = 0x04,
MV_SWITCH_ATU_CTRL = 0x0a,
MV_SWITCH_ATU_OP = 0x0b,
MV_SWITCH_ATU_DATA = 0x0c,
MV_SWITCH_ATU_MAC0 = 0x0d,
MV_SWITCH_ATU_MAC1 = 0x0e,
MV_SWITCH_ATU_MAC2 = 0x0f,
};
#define MV_SWITCHREG(_type) MV_SWITCHREGS, MV_SWITCH_##_type
enum {
MV_SWITCHCTL_EEIE = (1 << 0), /* EEPROM interrupt enable */
MV_SWITCHCTL_PHYIE = (1 << 1), /* PHY interrupt enable */
MV_SWITCHCTL_ATUDONE= (1 << 2), /* ATU done interrupt enable */
MV_SWITCHCTL_ATUIE = (1 << 3), /* ATU interrupt enable */
MV_SWITCHCTL_CTRMODE= (1 << 8), /* statistics for rx and tx errors */
MV_SWITCHCTL_RELOAD = (1 << 9), /* reload registers from eeprom */
MV_SWITCHCTL_MSIZE = (1 << 10), /* increase maximum frame size */
MV_SWITCHCTL_DROP = (1 << 13), /* discard frames with excessive collisions */
};
enum {
#define MV_ATUCTL_AGETIME_MIN 16
#define MV_ATUCTL_AGETIME_MAX 4080
#define MV_ATUCTL_AGETIME(_n) ((((_n) / 16) & 0xff) << 4)
MV_ATUCTL_ATU_256 = (0 << 12),
MV_ATUCTL_ATU_512 = (1 << 12),
MV_ATUCTL_ATU_1K = (2 << 12),
MV_ATUCTL_ATUMASK = (3 << 12),
MV_ATUCTL_NO_LEARN = (1 << 14),
MV_ATUCTL_RESET = (1 << 15),
};
enum {
#define MV_ATUOP_DBNUM(_n) ((_n) & 0x0f)
MV_ATUOP_NOOP = (0 << 12),
MV_ATUOP_FLUSH_ALL = (1 << 12),
MV_ATUOP_FLUSH_U = (2 << 12),
MV_ATUOP_LOAD_DB = (3 << 12),
MV_ATUOP_GET_NEXT = (4 << 12),
MV_ATUOP_FLUSH_DB = (5 << 12),
MV_ATUOP_FLUSH_DB_UU= (6 << 12),
MV_ATUOP_INPROGRESS = (1 << 15),
};
#define MV_IDENT_MASK 0xfff0
#define MV_IDENT_VALUE 0x0600
#endif

1
ath25/generic/target.mk Normal file
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@ -0,0 +1 @@
BOARDNAME:=Generic

118
ath25/image/Makefile Normal file
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@ -0,0 +1,118 @@
# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2010 OpenWrt.org
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
define Build/mkfwimage
$(STAGING_DIR_HOST)/bin/mkfwimage \
-B $(1).$(VERSION_DIST).$(REVISION) \
-k $(IMAGE_KERNEL) \
-r $(IMAGE_ROOTFS) \
-o $@.new && \
mv $@.new $@
endef
define Build/combined-image
-sh $(TOPDIR)/scripts/combined-image.sh \
"$(IMAGE_KERNEL)" \
"$(IMAGE_ROOTFS)" \
"$@.new" && \
mv $@.new $@
endef
define Build/mkmylofw
$(STAGING_DIR_HOST)/bin/mkmylofw -B $(1) \
-p0x020000:0x130000:ah:0x80041000:linux:$(IMAGE_KERNEL) \
-p0x150000:0x2a0000:::rootfs:$(IMAGE_ROOTFS) \
$@.new && \
mv $@.new $@
endef
define Build/gzip-kernel
gzip -9n -c $@ > $@.gz
dd if=$@.gz of=$@ bs=65536 conv=sync
endef
define Build/lzma-kernel
$(STAGING_DIR_HOST)/bin/lzma e $@ $@.l7
dd if=$@.l7 of=$@ bs=65536 conv=sync
endef
define Build/copy-kernel
rm -f $@ $@.elf
cp $< $@
cp $<.elf $@.elf
endef
define Build/elf-kernel
cp $(IMAGE_KERNEL).elf $@
endef
define Device/Default
PROFILES = Default $$(DEVICE_NAME)
KERNEL := copy-kernel | lzma-kernel
KERNEL_INITRAMFS = kernel-bin
KERNEL_INITRAMFS_NAME := vmlinux-initramfs.elf
KERNEL_INITRAMFS_SUFFIX := -kernel.elf
IMAGES := sysupgrade.bin
FILESYSTEMS := squashfs
endef
define Device/generic
DEVICE_VENDOR := Atheros
DEVICE_MODEL := Generic AR2xxx board
IMAGES := kernel.lzma kernel.elf kernel.gz rootfs.bin sysupgrade.bin
IMAGE/kernel.gz := elf-kernel | gzip-kernel
IMAGE/kernel.elf := elf-kernel
IMAGE/kernel.lzma := elf-kernel | lzma-kernel
IMAGE/rootfs.bin := append-rootfs | pad-rootfs | pad-to 128k
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | combined-image
DEVICE_IMG_NAME = $$(DEVICE_IMG_PREFIX)-$$(if $$(findstring kernel,$$(2)),,$$(1)-)$$(2)
endef
TARGET_DEVICES += generic
define Device/ubnt_picostation-2
DEVICE_VENDOR := Ubiquiti
DEVICE_MODEL := Picostation 2 (XS2-8)
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | mkfwimage XS2-8 -v XS2.ar2316
endef
TARGET_DEVICES += ubnt_picostation-2
define Device/ubnt_nanostation-2
DEVICE_VENDOR := Ubiquiti
DEVICE_MODEL := Nanostation 2 (XS2)
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | mkfwimage XS2 -v XS2.ar2316
DEFAULT := n
endef
TARGET_DEVICES += ubnt_nanostation-2
define Device/ubnt_nanostation-5
DEVICE_VENDOR := Ubiquiti
DEVICE_MODEL := Nanostation 5 (XS5)
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | mkfwimage XS5 -v XS5.ar2313
DEFAULT := n
endef
TARGET_DEVICES += ubnt_nanostation-5
define Device/compex_np25g
DEVICE_VENDOR := Compex
DEVICE_MODEL := NP25G
KERNEL := kernel-bin | gzip-kernel
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | mkmylofw np25g
BROKEN := y
endef
TARGET_DEVICES += compex_np25g
define Device/compex_wpe53g
DEVICE_VENDOR := Compex
DEVICE_MODEL := WPE53G
KERNEL := kernel-bin | gzip-kernel
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | mkmylofw wpe53g
BROKEN := y
endef
TARGET_DEVICES += compex_wpe53g
$(eval $(call BuildImage))

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@ -0,0 +1,212 @@
--- a/arch/mips/ath25/Kconfig
+++ b/arch/mips/ath25/Kconfig
@@ -2,6 +2,7 @@
config SOC_AR5312
bool "Atheros AR5312/AR2312+ SoC support"
depends on ATH25
+ select GPIO_AR5312
default y
config SOC_AR2315
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/reboot.h>
+#include <linux/gpio.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
@@ -177,6 +178,22 @@ static struct platform_device ar5312_phy
.num_resources = 1,
};
+static struct resource ar5312_gpio_res[] = {
+ {
+ .name = "ar5312-gpio",
+ .flags = IORESOURCE_MEM,
+ .start = AR5312_GPIO_BASE,
+ .end = AR5312_GPIO_BASE + AR5312_GPIO_SIZE - 1,
+ },
+};
+
+static struct platform_device ar5312_gpio = {
+ .name = "ar5312-gpio",
+ .id = -1,
+ .resource = ar5312_gpio_res,
+ .num_resources = ARRAY_SIZE(ar5312_gpio_res),
+};
+
static void __init ar5312_flash_init(void)
{
void __iomem *flashctl_base;
@@ -244,6 +261,8 @@ void __init ar5312_init_devices(void)
platform_device_register(&ar5312_physmap_flash);
+ platform_device_register(&ar5312_gpio);
+
switch (ath25_soc) {
case ATH25_SOC_AR5312:
if (!ath25_board.radio)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -143,6 +143,13 @@ config GPIO_AMDPT
driver for GPIO functionality on Promontory IOHub
Require ACPI ASL code to enumerate as a platform device.
+config GPIO_AR5312
+ bool "AR5312 SoC GPIO support"
+ default y if SOC_AR5312
+ depends on SOC_AR5312
+ help
+ Say yes here to enable GPIO support for Atheros AR5312/AR2312+ SoCs.
+
config GPIO_ASPEED
tristate "Aspeed GPIO support"
depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_GPIO_ALTERA) += gpio-alt
obj-$(CONFIG_GPIO_AMD8111) += gpio-amd8111.o
obj-$(CONFIG_GPIO_AMD_FCH) += gpio-amd-fch.o
obj-$(CONFIG_GPIO_AMDPT) += gpio-amdpt.o
+obj-$(CONFIG_GPIO_AR5312) += gpio-ar5312.o
obj-$(CONFIG_GPIO_ARIZONA) += gpio-arizona.o
obj-$(CONFIG_GPIO_ASPEED) += gpio-aspeed.o
obj-$(CONFIG_GPIO_ASPEED_SGPIO) += gpio-aspeed-sgpio.o
--- /dev/null
+++ b/drivers/gpio/gpio-ar5312.c
@@ -0,0 +1,121 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#define DRIVER_NAME "ar5312-gpio"
+
+#define AR5312_GPIO_DO 0x00 /* output register */
+#define AR5312_GPIO_DI 0x04 /* intput register */
+#define AR5312_GPIO_CR 0x08 /* control register */
+
+#define AR5312_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
+#define AR5312_GPIO_CR_O(x) (0 << (x)) /* mask for output */
+#define AR5312_GPIO_CR_I(x) (1 << (x)) /* mask for input */
+#define AR5312_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */
+#define AR5312_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */
+
+#define AR5312_GPIO_NUM 8
+
+static void __iomem *ar5312_mem;
+
+static inline u32 ar5312_gpio_reg_read(unsigned reg)
+{
+ return __raw_readl(ar5312_mem + reg);
+}
+
+static inline void ar5312_gpio_reg_write(unsigned reg, u32 val)
+{
+ __raw_writel(val, ar5312_mem + reg);
+}
+
+static inline void ar5312_gpio_reg_mask(unsigned reg, u32 mask, u32 val)
+{
+ ar5312_gpio_reg_write(reg, (ar5312_gpio_reg_read(reg) & ~mask) | val);
+}
+
+static int ar5312_gpio_get_val(struct gpio_chip *chip, unsigned gpio)
+{
+ return (ar5312_gpio_reg_read(AR5312_GPIO_DI) >> gpio) & 1;
+}
+
+static void ar5312_gpio_set_val(struct gpio_chip *chip, unsigned gpio, int val)
+{
+ u32 reg = ar5312_gpio_reg_read(AR5312_GPIO_DO);
+
+ reg = val ? reg | (1 << gpio) : reg & ~(1 << gpio);
+ ar5312_gpio_reg_write(AR5312_GPIO_DO, reg);
+}
+
+static int ar5312_gpio_dir_in(struct gpio_chip *chip, unsigned gpio)
+{
+ ar5312_gpio_reg_mask(AR5312_GPIO_CR, 0, 1 << gpio);
+ return 0;
+}
+
+static int ar5312_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, int val)
+{
+ ar5312_gpio_reg_mask(AR5312_GPIO_CR, 1 << gpio, 0);
+ ar5312_gpio_set_val(chip, gpio, val);
+ return 0;
+}
+
+static struct gpio_chip ar5312_gpio_chip = {
+ .label = DRIVER_NAME,
+ .direction_input = ar5312_gpio_dir_in,
+ .direction_output = ar5312_gpio_dir_out,
+ .set = ar5312_gpio_set_val,
+ .get = ar5312_gpio_get_val,
+ .base = 0,
+ .ngpio = AR5312_GPIO_NUM,
+};
+
+static int ar5312_gpio_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct resource *res;
+ int ret;
+
+ if (ar5312_mem)
+ return -EBUSY;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ ar5312_mem = devm_ioremap_resource(dev, res);
+ if (IS_ERR(ar5312_mem))
+ return PTR_ERR(ar5312_mem);
+
+ ar5312_gpio_chip.parent = dev;
+ ret = gpiochip_add(&ar5312_gpio_chip);
+ if (ret) {
+ dev_err(dev, "failed to add gpiochip\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct platform_driver ar5312_gpio_driver = {
+ .probe = ar5312_gpio_probe,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ }
+};
+
+static int __init ar5312_gpio_init(void)
+{
+ return platform_driver_register(&ar5312_gpio_driver);
+}
+subsys_initcall(ar5312_gpio_init);
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -232,6 +232,7 @@ config ATH25
select CEVT_R4K
select CSRC_R4K
select DMA_NONCOHERENT
+ select GPIOLIB
select IRQ_MIPS_CPU
select IRQ_DOMAIN
select SYS_HAS_CPU_MIPS32_R1

View File

@ -0,0 +1,363 @@
--- a/arch/mips/ath25/Kconfig
+++ b/arch/mips/ath25/Kconfig
@@ -8,6 +8,7 @@ config SOC_AR5312
config SOC_AR2315
bool "Atheros AR2315+ SoC support"
depends on ATH25
+ select GPIO_AR2315
default y
config PCI_AR2315
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -22,6 +22,8 @@
#include <linux/memblock.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
@@ -165,11 +167,42 @@ void __init ar2315_arch_init_irq(void)
ar2315_misc_irq_domain = domain;
}
+static struct resource ar2315_gpio_res[] = {
+ {
+ .name = "ar2315-gpio",
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_RST_BASE + AR2315_GPIO,
+ .end = AR2315_RST_BASE + AR2315_GPIO + 0x10 - 1,
+ },
+ {
+ .name = "ar2315-gpio",
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "ar2315-gpio-irq-base",
+ .flags = IORESOURCE_IRQ,
+ .start = AR231X_GPIO_IRQ_BASE,
+ .end = AR231X_GPIO_IRQ_BASE,
+ }
+};
+
+static struct platform_device ar2315_gpio = {
+ .id = -1,
+ .name = "ar2315-gpio",
+ .resource = ar2315_gpio_res,
+ .num_resources = ARRAY_SIZE(ar2315_gpio_res)
+};
+
void __init ar2315_init_devices(void)
{
/* Find board configuration */
ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
+ ar2315_gpio_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
+ AR2315_MISC_IRQ_GPIO);
+ ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
+ platform_device_register(&ar2315_gpio);
+
ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
}
@@ -185,8 +218,8 @@ static void ar2315_restart(char *command
/* Cold reset does not work on the AR2315/6, use the GPIO reset bits
* a workaround. Give it some time to attempt a gpio based hardware
* reset (atheros reference design workaround) */
-
- /* TODO: implement the GPIO reset workaround */
+ gpio_request_one(AR2315_RESET_GPIO, GPIOF_OUT_INIT_LOW, "Reset");
+ mdelay(100);
/* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
* workaround. Attempt to jump to the mips reset location -
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -143,6 +143,13 @@ config GPIO_AMDPT
driver for GPIO functionality on Promontory IOHub
Require ACPI ASL code to enumerate as a platform device.
+config GPIO_AR2315
+ bool "AR2315 SoC GPIO support"
+ default y if SOC_AR2315
+ depends on SOC_AR2315
+ help
+ Say yes here to enable GPIO support for Atheros AR2315+ SoCs.
+
config GPIO_AR5312
bool "AR5312 SoC GPIO support"
default y if SOC_AR5312
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_GPIO_ALTERA) += gpio-alt
obj-$(CONFIG_GPIO_AMD8111) += gpio-amd8111.o
obj-$(CONFIG_GPIO_AMD_FCH) += gpio-amd-fch.o
obj-$(CONFIG_GPIO_AMDPT) += gpio-amdpt.o
+obj-$(CONFIG_GPIO_AR2315) += gpio-ar2315.o
obj-$(CONFIG_GPIO_AR5312) += gpio-ar5312.o
obj-$(CONFIG_GPIO_ARIZONA) += gpio-arizona.o
obj-$(CONFIG_GPIO_ASPEED) += gpio-aspeed.o
--- /dev/null
+++ b/drivers/gpio/gpio-ar2315.c
@@ -0,0 +1,233 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+
+#define DRIVER_NAME "ar2315-gpio"
+
+#define AR2315_GPIO_DI 0x0000
+#define AR2315_GPIO_DO 0x0008
+#define AR2315_GPIO_DIR 0x0010
+#define AR2315_GPIO_INT 0x0018
+
+#define AR2315_GPIO_DIR_M(x) (1 << (x)) /* mask for i/o */
+#define AR2315_GPIO_DIR_O(x) (1 << (x)) /* output */
+#define AR2315_GPIO_DIR_I(x) (0) /* input */
+
+#define AR2315_GPIO_INT_NUM_M 0x3F /* mask for GPIO num */
+#define AR2315_GPIO_INT_TRIG(x) ((x) << 6) /* interrupt trigger */
+#define AR2315_GPIO_INT_TRIG_M (0x3 << 6) /* mask for int trig */
+
+#define AR2315_GPIO_INT_TRIG_OFF 0 /* Triggerring off */
+#define AR2315_GPIO_INT_TRIG_LOW 1 /* Low Level Triggered */
+#define AR2315_GPIO_INT_TRIG_HIGH 2 /* High Level Triggered */
+#define AR2315_GPIO_INT_TRIG_EDGE 3 /* Edge Triggered */
+
+#define AR2315_GPIO_NUM 22
+
+static u32 ar2315_gpio_intmask;
+static u32 ar2315_gpio_intval;
+static unsigned ar2315_gpio_irq_base;
+static void __iomem *ar2315_mem;
+
+static inline u32 ar2315_gpio_reg_read(unsigned reg)
+{
+ return __raw_readl(ar2315_mem + reg);
+}
+
+static inline void ar2315_gpio_reg_write(unsigned reg, u32 val)
+{
+ __raw_writel(val, ar2315_mem + reg);
+}
+
+static inline void ar2315_gpio_reg_mask(unsigned reg, u32 mask, u32 val)
+{
+ ar2315_gpio_reg_write(reg, (ar2315_gpio_reg_read(reg) & ~mask) | val);
+}
+
+static void ar2315_gpio_irq_handler(struct irq_desc *desc)
+{
+ u32 pend;
+ int bit = -1;
+
+ /* only do one gpio interrupt at a time */
+ pend = ar2315_gpio_reg_read(AR2315_GPIO_DI);
+ pend ^= ar2315_gpio_intval;
+ pend &= ar2315_gpio_intmask;
+
+ if (pend) {
+ bit = fls(pend) - 1;
+ pend &= ~(1 << bit);
+ ar2315_gpio_intval ^= (1 << bit);
+ }
+
+ /* Enable interrupt with edge detection */
+ if ((ar2315_gpio_reg_read(AR2315_GPIO_DIR) & AR2315_GPIO_DIR_M(bit)) !=
+ AR2315_GPIO_DIR_I(bit))
+ return;
+
+ if (bit >= 0)
+ generic_handle_irq(ar2315_gpio_irq_base + bit);
+}
+
+static void ar2315_gpio_int_setup(unsigned gpio, int trig)
+{
+ u32 reg = ar2315_gpio_reg_read(AR2315_GPIO_INT);
+
+ reg &= ~(AR2315_GPIO_INT_NUM_M | AR2315_GPIO_INT_TRIG_M);
+ reg |= gpio | AR2315_GPIO_INT_TRIG(trig);
+ ar2315_gpio_reg_write(AR2315_GPIO_INT, reg);
+}
+
+static void ar2315_gpio_irq_unmask(struct irq_data *d)
+{
+ unsigned gpio = d->irq - ar2315_gpio_irq_base;
+ u32 dir = ar2315_gpio_reg_read(AR2315_GPIO_DIR);
+
+ /* Enable interrupt with edge detection */
+ if ((dir & AR2315_GPIO_DIR_M(gpio)) != AR2315_GPIO_DIR_I(gpio))
+ return;
+
+ ar2315_gpio_intmask |= (1 << gpio);
+ ar2315_gpio_int_setup(gpio, AR2315_GPIO_INT_TRIG_EDGE);
+}
+
+static void ar2315_gpio_irq_mask(struct irq_data *d)
+{
+ unsigned gpio = d->irq - ar2315_gpio_irq_base;
+
+ /* Disable interrupt */
+ ar2315_gpio_intmask &= ~(1 << gpio);
+ ar2315_gpio_int_setup(gpio, AR2315_GPIO_INT_TRIG_OFF);
+}
+
+static struct irq_chip ar2315_gpio_irq_chip = {
+ .name = DRIVER_NAME,
+ .irq_unmask = ar2315_gpio_irq_unmask,
+ .irq_mask = ar2315_gpio_irq_mask,
+};
+
+static void ar2315_gpio_irq_init(unsigned irq)
+{
+ unsigned i;
+
+ ar2315_gpio_intval = ar2315_gpio_reg_read(AR2315_GPIO_DI);
+ for (i = 0; i < AR2315_GPIO_NUM; i++) {
+ unsigned _irq = ar2315_gpio_irq_base + i;
+
+ irq_set_chip_and_handler(_irq, &ar2315_gpio_irq_chip,
+ handle_level_irq);
+ }
+ irq_set_chained_handler(irq, ar2315_gpio_irq_handler);
+}
+
+static int ar2315_gpio_get_val(struct gpio_chip *chip, unsigned gpio)
+{
+ return (ar2315_gpio_reg_read(AR2315_GPIO_DI) >> gpio) & 1;
+}
+
+static void ar2315_gpio_set_val(struct gpio_chip *chip, unsigned gpio, int val)
+{
+ u32 reg = ar2315_gpio_reg_read(AR2315_GPIO_DO);
+
+ reg = val ? reg | (1 << gpio) : reg & ~(1 << gpio);
+ ar2315_gpio_reg_write(AR2315_GPIO_DO, reg);
+}
+
+static int ar2315_gpio_dir_in(struct gpio_chip *chip, unsigned gpio)
+{
+ ar2315_gpio_reg_mask(AR2315_GPIO_DIR, 1 << gpio, 0);
+ return 0;
+}
+
+static int ar2315_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, int val)
+{
+ ar2315_gpio_reg_mask(AR2315_GPIO_DIR, 0, 1 << gpio);
+ ar2315_gpio_set_val(chip, gpio, val);
+ return 0;
+}
+
+static int ar2315_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ return ar2315_gpio_irq_base + gpio;
+}
+
+static struct gpio_chip ar2315_gpio_chip = {
+ .label = DRIVER_NAME,
+ .direction_input = ar2315_gpio_dir_in,
+ .direction_output = ar2315_gpio_dir_out,
+ .set = ar2315_gpio_set_val,
+ .get = ar2315_gpio_get_val,
+ .to_irq = ar2315_gpio_to_irq,
+ .base = 0,
+ .ngpio = AR2315_GPIO_NUM,
+};
+
+static int ar2315_gpio_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct resource *res;
+ unsigned irq;
+ int ret;
+
+ if (ar2315_mem)
+ return -EBUSY;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
+ "ar2315-gpio-irq-base");
+ if (!res) {
+ dev_err(dev, "not found GPIO IRQ base\n");
+ return -ENXIO;
+ }
+ ar2315_gpio_irq_base = res->start;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, DRIVER_NAME);
+ if (!res) {
+ dev_err(dev, "not found IRQ number\n");
+ return -ENXIO;
+ }
+ irq = res->start;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, DRIVER_NAME);
+ ar2315_mem = devm_ioremap_resource(dev, res);
+ if (IS_ERR(ar2315_mem))
+ return PTR_ERR(ar2315_mem);
+
+ ar2315_gpio_chip.parent = dev;
+ ret = gpiochip_add(&ar2315_gpio_chip);
+ if (ret) {
+ dev_err(dev, "failed to add gpiochip\n");
+ return ret;
+ }
+
+ ar2315_gpio_irq_init(irq);
+
+ return 0;
+}
+
+static struct platform_driver ar2315_gpio_driver = {
+ .probe = ar2315_gpio_probe,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ }
+};
+
+static int __init ar2315_gpio_init(void)
+{
+ return platform_driver_register(&ar2315_gpio_driver);
+}
+subsys_initcall(ar2315_gpio_init);
--- a/arch/mips/ath25/devices.h
+++ b/arch/mips/ath25/devices.h
@@ -4,6 +4,11 @@
#include <linux/cpu.h>
+#define AR231X_GPIO_IRQ_BASE 0x30
+
+/* GPIO number for AR2315/16 reset issue workaround */
+#define AR2315_RESET_GPIO 5
+
#define ATH25_REG_MS(_val, _field) (((_val) & _field##_M) >> _field##_S)
#define ATH25_IRQ_CPU_CLOCK (MIPS_CPU_IRQ_BASE + 7) /* C0_CAUSE: 0x8000 */
--- a/arch/mips/ath25/ar2315_regs.h
+++ b/arch/mips/ath25/ar2315_regs.h
@@ -315,6 +315,9 @@
#define AR2315_MEM_CFG_BANKADDR_BITS_M 0x00000018
#define AR2315_MEM_CFG_BANKADDR_BITS_S 3
+/* GPIO MMR base address */
+#define AR2315_GPIO 0x0088
+
/*
* Local Bus Interface Registers
*/

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,631 @@
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -120,6 +120,10 @@ config MTD_BCM47XXSFLASH
registered by bcma as platform devices. This enables driver for
serial flash memories.
+config MTD_AR2315
+ tristate "Atheros AR2315+ SPI Flash support"
+ depends on SOC_AR2315
+
config MTD_SLRAM
tristate "Uncached system RAM"
help
--- a/drivers/mtd/devices/Makefile
+++ b/drivers/mtd/devices/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_MTD_MCHP23K256) += mchp23k2
obj-$(CONFIG_MTD_MCHP48L640) += mchp48l640.o
obj-$(CONFIG_MTD_SPEAR_SMI) += spear_smi.o
obj-$(CONFIG_MTD_SST25L) += sst25l.o
+obj-$(CONFIG_MTD_AR2315) += ar2315.o
obj-$(CONFIG_MTD_BCM47XXSFLASH) += bcm47xxsflash.o
obj-$(CONFIG_MTD_ST_SPI_FSM) += st_spi_fsm.o
obj-$(CONFIG_MTD_POWERNV_FLASH) += powernv_flash.o
--- /dev/null
+++ b/drivers/mtd/devices/ar2315.c
@@ -0,0 +1,456 @@
+
+/*
+ * MTD driver for the SPI Flash Memory support on Atheros AR2315
+ *
+ * Copyright (c) 2005-2006 Atheros Communications Inc.
+ * Copyright (C) 2006-2007 FON Technology, SL.
+ * Copyright (C) 2006-2007 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
+ *
+ * This code is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+
+#include "ar2315_spiflash.h"
+
+#define DRIVER_NAME "ar2315-spiflash"
+
+#define busy_wait(_priv, _condition, _wait) do { \
+ while (_condition) { \
+ if (_wait > 1) \
+ msleep(_wait); \
+ else if ((_wait == 1) && need_resched()) \
+ schedule(); \
+ else \
+ udelay(1); \
+ } \
+} while (0)
+
+enum {
+ FLASH_NONE,
+ FLASH_1MB,
+ FLASH_2MB,
+ FLASH_4MB,
+ FLASH_8MB,
+ FLASH_16MB,
+};
+
+/* Flash configuration table */
+struct flashconfig {
+ u32 byte_cnt;
+ u32 sector_cnt;
+ u32 sector_size;
+};
+
+static const struct flashconfig flashconfig_tbl[] = {
+ [FLASH_NONE] = { 0, 0, 0},
+ [FLASH_1MB] = { STM_1MB_BYTE_COUNT, STM_1MB_SECTOR_COUNT,
+ STM_1MB_SECTOR_SIZE},
+ [FLASH_2MB] = { STM_2MB_BYTE_COUNT, STM_2MB_SECTOR_COUNT,
+ STM_2MB_SECTOR_SIZE},
+ [FLASH_4MB] = { STM_4MB_BYTE_COUNT, STM_4MB_SECTOR_COUNT,
+ STM_4MB_SECTOR_SIZE},
+ [FLASH_8MB] = { STM_8MB_BYTE_COUNT, STM_8MB_SECTOR_COUNT,
+ STM_8MB_SECTOR_SIZE},
+ [FLASH_16MB] = { STM_16MB_BYTE_COUNT, STM_16MB_SECTOR_COUNT,
+ STM_16MB_SECTOR_SIZE}
+};
+
+/* Mapping of generic opcodes to STM serial flash opcodes */
+enum {
+ SPI_WRITE_ENABLE,
+ SPI_WRITE_DISABLE,
+ SPI_RD_STATUS,
+ SPI_WR_STATUS,
+ SPI_RD_DATA,
+ SPI_FAST_RD_DATA,
+ SPI_PAGE_PROGRAM,
+ SPI_SECTOR_ERASE,
+ SPI_BULK_ERASE,
+ SPI_DEEP_PWRDOWN,
+ SPI_RD_SIG,
+};
+
+struct opcodes {
+ __u16 code;
+ __s8 tx_cnt;
+ __s8 rx_cnt;
+};
+
+static const struct opcodes stm_opcodes[] = {
+ [SPI_WRITE_ENABLE] = {STM_OP_WR_ENABLE, 1, 0},
+ [SPI_WRITE_DISABLE] = {STM_OP_WR_DISABLE, 1, 0},
+ [SPI_RD_STATUS] = {STM_OP_RD_STATUS, 1, 1},
+ [SPI_WR_STATUS] = {STM_OP_WR_STATUS, 1, 0},
+ [SPI_RD_DATA] = {STM_OP_RD_DATA, 4, 4},
+ [SPI_FAST_RD_DATA] = {STM_OP_FAST_RD_DATA, 5, 0},
+ [SPI_PAGE_PROGRAM] = {STM_OP_PAGE_PGRM, 8, 0},
+ [SPI_SECTOR_ERASE] = {STM_OP_SECTOR_ERASE, 4, 0},
+ [SPI_BULK_ERASE] = {STM_OP_BULK_ERASE, 1, 0},
+ [SPI_DEEP_PWRDOWN] = {STM_OP_DEEP_PWRDOWN, 1, 0},
+ [SPI_RD_SIG] = {STM_OP_RD_SIG, 4, 1},
+};
+
+/* Driver private data structure */
+struct spiflash_priv {
+ struct mtd_info mtd;
+ void __iomem *readaddr; /* memory mapped data for read */
+ void __iomem *mmraddr; /* memory mapped register space */
+ struct mutex lock; /* serialize registers access */
+};
+
+#define to_spiflash(_mtd) container_of(_mtd, struct spiflash_priv, mtd)
+
+enum {
+ FL_READY,
+ FL_READING,
+ FL_ERASING,
+ FL_WRITING
+};
+
+/*****************************************************************************/
+
+static u32
+spiflash_read_reg(struct spiflash_priv *priv, int reg)
+{
+ return ioread32(priv->mmraddr + reg);
+}
+
+static void
+spiflash_write_reg(struct spiflash_priv *priv, int reg, u32 data)
+{
+ iowrite32(data, priv->mmraddr + reg);
+}
+
+static u32
+spiflash_wait_busy(struct spiflash_priv *priv)
+{
+ u32 reg;
+
+ busy_wait(priv, (reg = spiflash_read_reg(priv, SPI_FLASH_CTL)) &
+ SPI_CTL_BUSY, 0);
+ return reg;
+}
+
+static u32
+spiflash_sendcmd(struct spiflash_priv *priv, int opcode, u32 addr)
+{
+ const struct opcodes *op;
+ u32 reg, mask;
+
+ op = &stm_opcodes[opcode];
+ reg = spiflash_wait_busy(priv);
+ spiflash_write_reg(priv, SPI_FLASH_OPCODE,
+ ((u32)op->code) | (addr << 8));
+
+ reg &= ~SPI_CTL_TX_RX_CNT_MASK;
+ reg |= SPI_CTL_START | op->tx_cnt | (op->rx_cnt << 4);
+
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+ spiflash_wait_busy(priv);
+
+ if (!op->rx_cnt)
+ return 0;
+
+ reg = spiflash_read_reg(priv, SPI_FLASH_DATA);
+
+ switch (op->rx_cnt) {
+ case 1:
+ mask = 0x000000ff;
+ break;
+ case 2:
+ mask = 0x0000ffff;
+ break;
+ case 3:
+ mask = 0x00ffffff;
+ break;
+ default:
+ mask = 0xffffffff;
+ break;
+ }
+ reg &= mask;
+
+ return reg;
+}
+
+/*
+ * Probe SPI flash device
+ * Function returns 0 for failure.
+ * and flashconfig_tbl array index for success.
+ */
+static int
+spiflash_probe_chip(struct platform_device *pdev, struct spiflash_priv *priv)
+{
+ u32 sig = spiflash_sendcmd(priv, SPI_RD_SIG, 0);
+ int flash_size;
+
+ switch (sig) {
+ case STM_8MBIT_SIGNATURE:
+ flash_size = FLASH_1MB;
+ break;
+ case STM_16MBIT_SIGNATURE:
+ flash_size = FLASH_2MB;
+ break;
+ case STM_32MBIT_SIGNATURE:
+ flash_size = FLASH_4MB;
+ break;
+ case STM_64MBIT_SIGNATURE:
+ flash_size = FLASH_8MB;
+ break;
+ case STM_128MBIT_SIGNATURE:
+ flash_size = FLASH_16MB;
+ break;
+ default:
+ dev_warn(&pdev->dev, "read of flash device signature failed!\n");
+ return 0;
+ }
+
+ return flash_size;
+}
+
+static void
+spiflash_wait_complete(struct spiflash_priv *priv, unsigned int timeout)
+{
+ busy_wait(priv, spiflash_sendcmd(priv, SPI_RD_STATUS, 0) &
+ SPI_STATUS_WIP, timeout);
+}
+
+static int
+spiflash_erase(struct mtd_info *mtd, struct erase_info *instr)
+{
+ struct spiflash_priv *priv = to_spiflash(mtd);
+ const struct opcodes *op;
+ u32 temp, reg;
+
+ if (instr->addr + instr->len > mtd->size)
+ return -EINVAL;
+
+ mutex_lock(&priv->lock);
+
+ spiflash_sendcmd(priv, SPI_WRITE_ENABLE, 0);
+ reg = spiflash_wait_busy(priv);
+
+ op = &stm_opcodes[SPI_SECTOR_ERASE];
+ temp = ((u32)instr->addr << 8) | (u32)(op->code);
+ spiflash_write_reg(priv, SPI_FLASH_OPCODE, temp);
+
+ reg &= ~SPI_CTL_TX_RX_CNT_MASK;
+ reg |= op->tx_cnt | SPI_CTL_START;
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+
+ spiflash_wait_complete(priv, 20);
+
+ mutex_unlock(&priv->lock);
+
+ return 0;
+}
+
+static int
+spiflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
+ u_char *buf)
+{
+ struct spiflash_priv *priv = to_spiflash(mtd);
+
+ if (!len)
+ return 0;
+
+ if (from + len > mtd->size)
+ return -EINVAL;
+
+ *retlen = len;
+
+ mutex_lock(&priv->lock);
+
+ memcpy_fromio(buf, priv->readaddr + from, len);
+
+ mutex_unlock(&priv->lock);
+
+ return 0;
+}
+
+static int
+spiflash_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
+ const u8 *buf)
+{
+ struct spiflash_priv *priv = to_spiflash(mtd);
+ u32 opcode, bytes_left;
+
+ *retlen = 0;
+
+ if (!len)
+ return 0;
+
+ if (to + len > mtd->size)
+ return -EINVAL;
+
+ bytes_left = len;
+
+ do {
+ u32 read_len, reg, page_offset, spi_data = 0;
+
+ read_len = min(bytes_left, sizeof(u32));
+
+ /* 32-bit writes cannot span across a page boundary
+ * (256 bytes). This types of writes require two page
+ * program operations to handle it correctly. The STM part
+ * will write the overflow data to the beginning of the
+ * current page as opposed to the subsequent page.
+ */
+ page_offset = (to & (STM_PAGE_SIZE - 1)) + read_len;
+
+ if (page_offset > STM_PAGE_SIZE)
+ read_len -= (page_offset - STM_PAGE_SIZE);
+
+ mutex_lock(&priv->lock);
+
+ spiflash_sendcmd(priv, SPI_WRITE_ENABLE, 0);
+ spi_data = 0;
+ switch (read_len) {
+ case 4:
+ spi_data |= buf[3] << 24;
+ fallthrough;
+ case 3:
+ spi_data |= buf[2] << 16;
+ fallthrough;
+ case 2:
+ spi_data |= buf[1] << 8;
+ fallthrough;
+ case 1:
+ spi_data |= buf[0] & 0xff;
+ break;
+ default:
+ break;
+ }
+
+ spiflash_write_reg(priv, SPI_FLASH_DATA, spi_data);
+ opcode = stm_opcodes[SPI_PAGE_PROGRAM].code |
+ (to & 0x00ffffff) << 8;
+ spiflash_write_reg(priv, SPI_FLASH_OPCODE, opcode);
+
+ reg = spiflash_read_reg(priv, SPI_FLASH_CTL);
+ reg &= ~SPI_CTL_TX_RX_CNT_MASK;
+ reg |= (read_len + 4) | SPI_CTL_START;
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+
+ spiflash_wait_complete(priv, 1);
+
+ mutex_unlock(&priv->lock);
+
+ bytes_left -= read_len;
+ to += read_len;
+ buf += read_len;
+
+ *retlen += read_len;
+ } while (bytes_left != 0);
+
+ return 0;
+}
+
+#if defined CONFIG_MTD_REDBOOT_PARTS || CONFIG_MTD_MYLOADER_PARTS
+static const char * const part_probe_types[] = {
+ "cmdlinepart", "RedBoot", "MyLoader", NULL
+};
+#endif
+
+static int
+spiflash_probe(struct platform_device *pdev)
+{
+ struct spiflash_priv *priv;
+ struct mtd_info *mtd;
+ struct resource *res;
+ int index;
+ int result = 0;
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ mutex_init(&priv->lock);
+ mtd = &priv->mtd;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ priv->mmraddr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->mmraddr)) {
+ dev_warn(&pdev->dev, "failed to map flash MMR\n");
+ return PTR_ERR(priv->mmraddr);
+ }
+
+ index = spiflash_probe_chip(pdev, priv);
+ if (!index) {
+ dev_warn(&pdev->dev, "found no flash device\n");
+ return -ENODEV;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ priv->readaddr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->readaddr)) {
+ dev_warn(&pdev->dev, "failed to map flash read mem\n");
+ return PTR_ERR(priv->readaddr);
+ }
+
+ platform_set_drvdata(pdev, priv);
+ mtd->name = "spiflash";
+ mtd->type = MTD_NORFLASH;
+ mtd->flags = (MTD_CAP_NORFLASH|MTD_WRITEABLE);
+ mtd->size = flashconfig_tbl[index].byte_cnt;
+ mtd->erasesize = flashconfig_tbl[index].sector_size;
+ mtd->writesize = 1;
+ mtd->numeraseregions = 0;
+ mtd->eraseregions = NULL;
+ mtd->_erase = spiflash_erase;
+ mtd->_read = spiflash_read;
+ mtd->_write = spiflash_write;
+ mtd->owner = THIS_MODULE;
+
+ dev_info(&pdev->dev, "%lld Kbytes flash detected\n", mtd->size >> 10);
+
+#if defined CONFIG_MTD_REDBOOT_PARTS || CONFIG_MTD_MYLOADER_PARTS
+ /* parse redboot partitions */
+
+ result = mtd_device_parse_register(mtd, part_probe_types,
+ NULL, NULL, 0);
+#endif
+
+ return result;
+}
+
+static int
+spiflash_remove(struct platform_device *pdev)
+{
+ struct spiflash_priv *priv = platform_get_drvdata(pdev);
+
+ mtd_device_unregister(&priv->mtd);
+
+ return 0;
+}
+
+static struct platform_driver spiflash_driver = {
+ .driver.name = DRIVER_NAME,
+ .probe = spiflash_probe,
+ .remove = spiflash_remove,
+};
+
+module_platform_driver(spiflash_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("OpenWrt.org");
+MODULE_AUTHOR("Atheros Communications Inc");
+MODULE_DESCRIPTION("MTD driver for SPI Flash on Atheros AR2315+ SOC");
+MODULE_ALIAS("platform:" DRIVER_NAME);
+
--- /dev/null
+++ b/drivers/mtd/devices/ar2315_spiflash.h
@@ -0,0 +1,106 @@
+/*
+ * Atheros AR2315 SPI Flash Memory support header file.
+ *
+ * Copyright (c) 2005, Atheros Communications Inc.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@nbd.name>
+ *
+ * This code is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef __AR2315_SPIFLASH_H
+#define __AR2315_SPIFLASH_H
+
+#define STM_PAGE_SIZE 256
+
+#define SFI_WRITE_BUFFER_SIZE 4
+#define SFI_FLASH_ADDR_MASK 0x00ffffff
+
+#define STM_8MBIT_SIGNATURE 0x13
+#define STM_M25P80_BYTE_COUNT 1048576
+#define STM_M25P80_SECTOR_COUNT 16
+#define STM_M25P80_SECTOR_SIZE 0x10000
+
+#define STM_16MBIT_SIGNATURE 0x14
+#define STM_M25P16_BYTE_COUNT 2097152
+#define STM_M25P16_SECTOR_COUNT 32
+#define STM_M25P16_SECTOR_SIZE 0x10000
+
+#define STM_32MBIT_SIGNATURE 0x15
+#define STM_M25P32_BYTE_COUNT 4194304
+#define STM_M25P32_SECTOR_COUNT 64
+#define STM_M25P32_SECTOR_SIZE 0x10000
+
+#define STM_64MBIT_SIGNATURE 0x16
+#define STM_M25P64_BYTE_COUNT 8388608
+#define STM_M25P64_SECTOR_COUNT 128
+#define STM_M25P64_SECTOR_SIZE 0x10000
+
+#define STM_128MBIT_SIGNATURE 0x17
+#define STM_M25P128_BYTE_COUNT 16777216
+#define STM_M25P128_SECTOR_COUNT 256
+#define STM_M25P128_SECTOR_SIZE 0x10000
+
+#define STM_1MB_BYTE_COUNT STM_M25P80_BYTE_COUNT
+#define STM_1MB_SECTOR_COUNT STM_M25P80_SECTOR_COUNT
+#define STM_1MB_SECTOR_SIZE STM_M25P80_SECTOR_SIZE
+#define STM_2MB_BYTE_COUNT STM_M25P16_BYTE_COUNT
+#define STM_2MB_SECTOR_COUNT STM_M25P16_SECTOR_COUNT
+#define STM_2MB_SECTOR_SIZE STM_M25P16_SECTOR_SIZE
+#define STM_4MB_BYTE_COUNT STM_M25P32_BYTE_COUNT
+#define STM_4MB_SECTOR_COUNT STM_M25P32_SECTOR_COUNT
+#define STM_4MB_SECTOR_SIZE STM_M25P32_SECTOR_SIZE
+#define STM_8MB_BYTE_COUNT STM_M25P64_BYTE_COUNT
+#define STM_8MB_SECTOR_COUNT STM_M25P64_SECTOR_COUNT
+#define STM_8MB_SECTOR_SIZE STM_M25P64_SECTOR_SIZE
+#define STM_16MB_BYTE_COUNT STM_M25P128_BYTE_COUNT
+#define STM_16MB_SECTOR_COUNT STM_M25P128_SECTOR_COUNT
+#define STM_16MB_SECTOR_SIZE STM_M25P128_SECTOR_SIZE
+
+/*
+ * ST Microelectronics Opcodes for Serial Flash
+ */
+
+#define STM_OP_WR_ENABLE 0x06 /* Write Enable */
+#define STM_OP_WR_DISABLE 0x04 /* Write Disable */
+#define STM_OP_RD_STATUS 0x05 /* Read Status */
+#define STM_OP_WR_STATUS 0x01 /* Write Status */
+#define STM_OP_RD_DATA 0x03 /* Read Data */
+#define STM_OP_FAST_RD_DATA 0x0b /* Fast Read Data */
+#define STM_OP_PAGE_PGRM 0x02 /* Page Program */
+#define STM_OP_SECTOR_ERASE 0xd8 /* Sector Erase */
+#define STM_OP_BULK_ERASE 0xc7 /* Bulk Erase */
+#define STM_OP_DEEP_PWRDOWN 0xb9 /* Deep Power-Down Mode */
+#define STM_OP_RD_SIG 0xab /* Read Electronic Signature */
+
+#define STM_STATUS_WIP 0x01 /* Write-In-Progress */
+#define STM_STATUS_WEL 0x02 /* Write Enable Latch */
+#define STM_STATUS_BP0 0x04 /* Block Protect 0 */
+#define STM_STATUS_BP1 0x08 /* Block Protect 1 */
+#define STM_STATUS_BP2 0x10 /* Block Protect 2 */
+#define STM_STATUS_SRWD 0x80 /* Status Register Write Disable */
+
+/*
+ * SPI Flash Interface Registers
+ */
+
+#define SPI_FLASH_CTL 0x00
+#define SPI_FLASH_OPCODE 0x04
+#define SPI_FLASH_DATA 0x08
+
+#define SPI_CTL_START 0x00000100
+#define SPI_CTL_BUSY 0x00010000
+#define SPI_CTL_TXCNT_MASK 0x0000000f
+#define SPI_CTL_RXCNT_MASK 0x000000f0
+#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff
+#define SPI_CTL_SIZE_MASK 0x00060000
+
+#define SPI_CTL_CLK_SEL_MASK 0x03000000
+#define SPI_OPCODE_MASK 0x000000ff
+
+#define SPI_STATUS_WIP STM_STATUS_WIP
+
+#endif
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -218,6 +218,28 @@ static struct platform_device ar2315_gpi
.num_resources = ARRAY_SIZE(ar2315_gpio_res)
};
+static struct resource ar2315_spiflash_res[] = {
+ {
+ .name = "spiflash_read",
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_SPI_READ_BASE,
+ .end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
+ },
+ {
+ .name = "spiflash_mmr",
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_SPI_MMR_BASE,
+ .end = AR2315_SPI_MMR_BASE + AR2315_SPI_MMR_SIZE - 1,
+ },
+};
+
+static struct platform_device ar2315_spiflash = {
+ .id = 0,
+ .name = "ar2315-spiflash",
+ .resource = ar2315_spiflash_res,
+ .num_resources = ARRAY_SIZE(ar2315_spiflash_res)
+};
+
void __init ar2315_init_devices(void)
{
/* Find board configuration */
@@ -228,6 +250,8 @@ void __init ar2315_init_devices(void)
ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
platform_device_register(&ar2315_gpio);
+ platform_device_register(&ar2315_spiflash);
+
ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,

View File

@ -0,0 +1,277 @@
--- /dev/null
+++ b/drivers/watchdog/ar2315-wtd.c
@@ -0,0 +1,209 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ * Based on EP93xx and ifxmips wdt driver
+ */
+
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/fs.h>
+#include <linux/ioport.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+
+#define DRIVER_NAME "ar2315-wdt"
+
+#define CLOCK_RATE 40000000
+#define HEARTBEAT(x) (x < 1 || x > 90 ? 20 : x)
+
+#define WDT_REG_TIMER 0x00
+#define WDT_REG_CTRL 0x04
+
+#define WDT_CTRL_ACT_NONE 0x00000000 /* No action */
+#define WDT_CTRL_ACT_NMI 0x00000001 /* NMI on watchdog */
+#define WDT_CTRL_ACT_RESET 0x00000002 /* reset on watchdog */
+
+static int wdt_timeout = 20;
+static int started;
+static int in_use;
+static void __iomem *wdt_base;
+
+static inline void ar2315_wdt_wr(unsigned reg, u32 val)
+{
+ iowrite32(val, wdt_base + reg);
+}
+
+static void
+ar2315_wdt_enable(void)
+{
+ ar2315_wdt_wr(WDT_REG_TIMER, wdt_timeout * CLOCK_RATE);
+}
+
+static ssize_t
+ar2315_wdt_write(struct file *file, const char __user *data, size_t len,
+ loff_t *ppos)
+{
+ if (len)
+ ar2315_wdt_enable();
+ return len;
+}
+
+static int
+ar2315_wdt_open(struct inode *inode, struct file *file)
+{
+ if (in_use)
+ return -EBUSY;
+ ar2315_wdt_enable();
+ in_use = 1;
+ started = 1;
+ return nonseekable_open(inode, file);
+}
+
+static int
+ar2315_wdt_release(struct inode *inode, struct file *file)
+{
+ in_use = 0;
+ return 0;
+}
+
+static irqreturn_t
+ar2315_wdt_interrupt(int irq, void *dev)
+{
+ struct platform_device *pdev = (struct platform_device *)dev;
+
+ if (started) {
+ dev_crit(&pdev->dev, "watchdog expired, rebooting system\n");
+ emergency_restart();
+ } else {
+ ar2315_wdt_wr(WDT_REG_CTRL, 0);
+ ar2315_wdt_wr(WDT_REG_TIMER, 0);
+ }
+ return IRQ_HANDLED;
+}
+
+static struct watchdog_info ident = {
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+ .identity = "ar2315 Watchdog",
+};
+
+static long
+ar2315_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int new_wdt_timeout;
+ int ret = -ENOIOCTLCMD;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ ret = copy_to_user((void __user *)arg, &ident, sizeof(ident)) ?
+ -EFAULT : 0;
+ break;
+ case WDIOC_KEEPALIVE:
+ ar2315_wdt_enable();
+ ret = 0;
+ break;
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(new_wdt_timeout, (int __user *)arg);
+ if (ret)
+ break;
+ wdt_timeout = HEARTBEAT(new_wdt_timeout);
+ ar2315_wdt_enable();
+ break;
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(wdt_timeout, (int __user *)arg);
+ break;
+ }
+ return ret;
+}
+
+static const struct file_operations ar2315_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = ar2315_wdt_write,
+ .unlocked_ioctl = ar2315_wdt_ioctl,
+ .open = ar2315_wdt_open,
+ .release = ar2315_wdt_release,
+};
+
+static struct miscdevice ar2315_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &ar2315_wdt_fops,
+};
+
+static int
+ar2315_wdt_probe(struct platform_device *dev)
+{
+ struct resource *mem_res, *irq_res;
+ int ret = 0;
+
+ if (wdt_base)
+ return -EBUSY;
+
+ irq_res = platform_get_resource(dev, IORESOURCE_IRQ, 0);
+ if (!irq_res) {
+ dev_err(&dev->dev, "no IRQ resource\n");
+ return -ENOENT;
+ }
+
+ mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ wdt_base = devm_ioremap_resource(&dev->dev, mem_res);
+ if (IS_ERR(wdt_base))
+ return PTR_ERR(wdt_base);
+
+ ret = devm_request_irq(&dev->dev, irq_res->start, ar2315_wdt_interrupt,
+ 0, DRIVER_NAME, dev);
+ if (ret) {
+ dev_err(&dev->dev, "failed to register inetrrupt\n");
+ goto out;
+ }
+
+ ret = misc_register(&ar2315_wdt_miscdev);
+ if (ret)
+ dev_err(&dev->dev, "failed to register miscdev\n");
+
+out:
+ return ret;
+}
+
+static int
+ar2315_wdt_remove(struct platform_device *dev)
+{
+ misc_deregister(&ar2315_wdt_miscdev);
+ return 0;
+}
+
+static struct platform_driver ar2315_wdt_driver = {
+ .probe = ar2315_wdt_probe,
+ .remove = ar2315_wdt_remove,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(ar2315_wdt_driver);
+
+MODULE_DESCRIPTION("Atheros AR2315 hardware watchdog driver");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRIVER_NAME);
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1829,6 +1829,13 @@ config PIC32_DMT
To compile this driver as a loadable module, choose M here.
The module will be called pic32-dmt.
+config AR2315_WDT
+ tristate "Atheros AR2315+ WiSoCs Watchdog Timer"
+ depends on ATH25
+ help
+ Hardware driver for the built-in watchdog timer on the Atheros
+ AR2315/AR2316 WiSoCs.
+
# PARISC Architecture
# POWERPC Architecture
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -161,6 +161,7 @@ obj-$(CONFIG_JZ4740_WDT) += jz4740_wdt.o
obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o
obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
+obj-$(CONFIG_AR2315_WDT) += ar2315-wtd.o
obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o
octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -218,6 +218,24 @@ static struct platform_device ar2315_gpi
.num_resources = ARRAY_SIZE(ar2315_gpio_res)
};
+static struct resource ar2315_wdt_res[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_RST_BASE + AR2315_WDT_TIMER,
+ .end = AR2315_RST_BASE + AR2315_WDT_TIMER + 8 - 1,
+ },
+ {
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device ar2315_wdt = {
+ .id = 0,
+ .name = "ar2315-wdt",
+ .resource = ar2315_wdt_res,
+ .num_resources = ARRAY_SIZE(ar2315_wdt_res)
+};
+
static struct resource ar2315_spiflash_res[] = {
{
.name = "spiflash_read",
@@ -250,6 +268,11 @@ void __init ar2315_init_devices(void)
ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
platform_device_register(&ar2315_gpio);
+ ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
+ AR2315_MISC_IRQ_WATCHDOG);
+ ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
+ platform_device_register(&ar2315_wdt);
+
platform_device_register(&ar2315_spiflash);
ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;

View File

@ -0,0 +1,60 @@
--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -16,6 +16,8 @@
#include <linux/mtd/partitions.h>
#include <linux/module.h>
+#define BOARD_CONFIG_PART "boardconfig"
+
struct fis_image_desc {
unsigned char name[16]; // Null terminated name
u32 flash_base; // Address within FLASH of image
@@ -73,6 +75,7 @@ static int parse_redboot_partitions(stru
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
+ unsigned long max_offset = 0;
int nrparts = 0;
struct fis_image_desc *buf;
struct mtd_partition *parts;
@@ -239,14 +242,15 @@ nogood:
}
}
#endif
- parts = kzalloc(sizeof(*parts) * nrparts + nulllen + namelen, GFP_KERNEL);
+ parts = kzalloc(sizeof(*parts) * (nrparts + 1) + nulllen + namelen +
+ sizeof(BOARD_CONFIG_PART), GFP_KERNEL);
if (!parts) {
ret = -ENOMEM;
goto out;
}
- nullname = (char *)&parts[nrparts];
+ nullname = (char *)&parts[nrparts + 1];
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
if (nulllen > 0)
strcpy(nullname, nullstring);
@@ -264,6 +268,8 @@ nogood:
}
#endif
for ( ; i < nrparts; i++) {
+ if (max_offset < buf[i].flash_base + buf[i].size)
+ max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
@@ -297,6 +303,13 @@ nogood:
fl = fl->next;
kfree(tmp_fl);
}
+ if (master->size - max_offset >= master->erasesize) {
+ parts[nrparts].size = master->size - max_offset;
+ parts[nrparts].offset = max_offset;
+ parts[nrparts].name = names;
+ strcpy(names, BOARD_CONFIG_PART);
+ nrparts++;
+ }
ret = nrparts;
*pparts = parts;
out:

View File

@ -0,0 +1,44 @@
--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -94,12 +94,18 @@ static int parse_redboot_partitions(stru
parse_redboot_of(master);
+ buf = vmalloc(master->erasesize);
+ if (!buf)
+ return -ENOMEM;
+
+restart:
if (directory < 0) {
offset = master->size + directory * master->erasesize;
while (mtd_block_isbad(master, offset)) {
if (!offset) {
nogood:
pr_notice("Failed to find a non-bad block to check for RedBoot partition table\n");
+ vfree(buf);
return -EIO;
}
offset -= master->erasesize;
@@ -112,10 +118,6 @@ nogood:
goto nogood;
}
}
- buf = vmalloc(master->erasesize);
-
- if (!buf)
- return -ENOMEM;
pr_notice("Searching for RedBoot partition table in %s at offset 0x%lx\n",
master->name, offset);
@@ -187,6 +189,11 @@ nogood:
}
if (i == numslots) {
/* Didn't find it */
+ if (offset + master->erasesize < master->size) {
+ /* not at the end of the flash yet, maybe next block */
+ directory++;
+ goto restart;
+ }
pr_notice("No RedBoot partition table detected in %s\n",
master->name);
ret = 0;

View File

@ -0,0 +1,83 @@
--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -71,6 +71,22 @@ static void parse_redboot_of(struct mtd_
directory = dirblock;
}
+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
+{
+ struct mtd_erase_region_info *regions = mtd->eraseregions;
+ int i;
+
+ for (i = 0; i < mtd->numeraseregions; i++) {
+ if (regions[i].offset +
+ regions[i].numblocks * regions[i].erasesize <= offset)
+ continue;
+
+ return regions[i].erasesize;
+ }
+
+ return mtd->erasesize;
+}
+
static int parse_redboot_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
@@ -87,6 +103,7 @@ static int parse_redboot_partitions(stru
int namelen = 0;
int nulllen = 0;
int numslots;
+ int first_slot;
unsigned long offset;
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
static char nullstring[] = "unallocated";
@@ -134,7 +151,9 @@ nogood:
}
numslots = (master->erasesize / sizeof(struct fis_image_desc));
- for (i = 0; i < numslots; i++) {
+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
+ sizeof(struct fis_image_desc);
+ for (i = first_slot; i < first_slot + numslots; i++) {
if (!memcmp(buf[i].name, "FIS directory", 14)) {
/* This is apparently the FIS directory entry for the
* FIS directory itself. The FIS directory size is
@@ -200,7 +219,10 @@ nogood:
goto out;
}
- for (i = 0; i < numslots; i++) {
+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
+ sizeof(struct fis_image_desc);
+
+ for (i = first_slot; i < first_slot + numslots; i++) {
struct fis_list *new_fl, **prev;
if (buf[i].name[0] == 0xff) {
@@ -275,12 +297,13 @@ nogood:
}
#endif
for ( ; i < nrparts; i++) {
- if (max_offset < buf[i].flash_base + buf[i].size)
- max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
+ if (max_offset < parts[i].offset + parts[i].size)
+ max_offset = parts[i].offset + parts[i].size;
+
strcpy(names, fl->img->name);
#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
if (!memcmp(names, "RedBoot", 8) ||
@@ -310,7 +333,9 @@ nogood:
fl = fl->next;
kfree(tmp_fl);
}
- if (master->size - max_offset >= master->erasesize) {
+
+ if (master->size - max_offset >=
+ mtd_get_offset_erasesize(master, max_offset)) {
parts[nrparts].size = master->size - max_offset;
parts[nrparts].offset = max_offset;
parts[nrparts].name = names;

View File

@ -0,0 +1,71 @@
--- a/arch/mips/ath25/Makefile
+++ b/arch/mips/ath25/Makefile
@@ -8,7 +8,7 @@
# Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
#
-obj-y += board.o prom.o devices.o
+obj-y += board.o prom.o devices.o reset.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
--- /dev/null
+++ b/arch/mips/ath25/reset.c
@@ -0,0 +1,57 @@
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <ath25_platform.h>
+#include "devices.h"
+
+static int __init
+ar231x_init_reset(void)
+{
+ struct platform_device *pdev;
+ struct gpio_keys_platform_data pdata;
+ struct gpio_keys_button *p;
+ int err;
+
+ if (ath25_board.config->reset_config_gpio == 0xffff)
+ return -ENODEV;
+
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
+ if (!p)
+ goto err;
+
+ p->desc = "reset";
+ p->type = EV_KEY;
+ p->code = KEY_RESTART;
+ p->debounce_interval = 60;
+ p->gpio = ath25_board.config->reset_config_gpio;
+
+ memset(&pdata, 0, sizeof(pdata));
+ pdata.poll_interval = 20;
+ pdata.buttons = p;
+ pdata.nbuttons = 1;
+
+ pdev = platform_device_alloc("gpio-keys-polled", 0);
+ if (!pdev)
+ goto err_free;
+
+ err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+ if (err)
+ goto err_put_pdev;
+
+ err = platform_device_add(pdev);
+ if (err)
+ goto err_put_pdev;
+
+ return 0;
+
+err_put_pdev:
+ platform_device_put(pdev);
+err_free:
+ kfree(p);
+err:
+ return -ENOMEM;
+}
+
+device_initcall(ar231x_init_reset);

View File

@ -0,0 +1,111 @@
--- a/drivers/net/ethernet/atheros/ar231x/ar231x.c
+++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c
@@ -133,6 +133,7 @@ static int ar231x_mdiobus_write(struct m
static int ar231x_mdiobus_reset(struct mii_bus *bus);
static int ar231x_mdiobus_probe(struct net_device *dev);
static void ar231x_adjust_link(struct net_device *dev);
+static bool no_phy;
#ifndef ERR
#define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
@@ -164,6 +165,32 @@ static const struct net_device_ops ar231
#endif
};
+static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id)
+{
+ int phy_reg;
+
+ /**
+ * Grab the bits from PHYIR1, and put them
+ * in the upper half.
+ */
+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID1);
+
+ if (phy_reg < 0)
+ return -EIO;
+
+ *phy_id = (phy_reg & 0xffff) << 16;
+
+ /* Grab the bits from PHYIR2, and put them in the lower half */
+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID2);
+
+ if (phy_reg < 0)
+ return -EIO;
+
+ *phy_id |= (phy_reg & 0xffff);
+
+ return 0;
+}
+
static int ar231x_probe(struct platform_device *pdev)
{
struct net_device *dev;
@@ -271,6 +298,24 @@ static int ar231x_probe(struct platform_
mdiobus_register(sp->mii_bus);
+ /**
+ * Workaround for Micrel switch, which is only available on
+ * one PHY and cannot be configured through MDIO.
+ */
+ if (!no_phy) {
+ u32 phy_id = 0;
+
+ get_phy_id(sp->mii_bus, 1, &phy_id);
+ if (phy_id == 0x00221450)
+ no_phy = true;
+ }
+ if (no_phy) {
+ sp->link = 1;
+ netif_carrier_on(dev);
+ return 0;
+ }
+ no_phy = true;
+
if (ar231x_mdiobus_probe(dev) != 0) {
printk(KERN_ERR "%s: mdiobus_probe failed\n", dev->name);
rx_tasklet_cleanup(dev);
@@ -324,8 +369,10 @@ static int ar231x_remove(struct platform
rx_tasklet_cleanup(dev);
ar231x_init_cleanup(dev);
unregister_netdev(dev);
- mdiobus_unregister(sp->mii_bus);
- mdiobus_free(sp->mii_bus);
+ if (sp->mii_bus) {
+ mdiobus_unregister(sp->mii_bus);
+ mdiobus_free(sp->mii_bus);
+ }
kfree(dev);
return 0;
}
@@ -868,7 +915,8 @@ static int ar231x_open(struct net_device
sp->eth_regs->mac_control |= MAC_CONTROL_RE;
- phy_start(sp->phy_dev);
+ if (sp->phy_dev)
+ phy_start(sp->phy_dev);
return 0;
}
@@ -949,7 +997,8 @@ static int ar231x_close(struct net_devic
#endif
- phy_stop(sp->phy_dev);
+ if (sp->phy_dev)
+ phy_stop(sp->phy_dev);
return 0;
}
@@ -993,6 +1042,9 @@ static int ar231x_ioctl(struct net_devic
{
struct ar231x_private *sp = netdev_priv(dev);
+ if (!sp->phy_dev)
+ return -ENODEV;
+
switch (cmd) {
case SIOCGMIIPHY:
case SIOCGMIIREG:

View File

@ -0,0 +1,116 @@
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -24,6 +24,7 @@
#include <linux/reboot.h>
#include <linux/delay.h>
#include <linux/gpio.h>
+#include <linux/leds.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
@@ -258,6 +259,50 @@ static struct platform_device ar2315_spi
.num_resources = ARRAY_SIZE(ar2315_spiflash_res)
};
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar2315_leds[6];
+static struct gpio_led_platform_data ar2315_led_data = {
+ .leds = (void *)ar2315_leds,
+};
+
+static struct platform_device ar2315_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = (void *)&ar2315_led_data,
+ }
+};
+
+static void __init ar2315_init_gpio_leds(void)
+{
+ static char led_names[6][6];
+ int i, led = 0;
+
+ ar2315_led_data.num_leds = 0;
+ for (i = 1; i < 8; i++) {
+ if ((i == AR2315_RESET_GPIO) ||
+ (i == ath25_board.config->reset_config_gpio))
+ continue;
+
+ if (i == ath25_board.config->sys_led_gpio)
+ strcpy(led_names[led], "wlan");
+ else
+ sprintf(led_names[led], "gpio%d", i);
+
+ ar2315_leds[led].name = led_names[led];
+ ar2315_leds[led].gpio = i;
+ ar2315_leds[led].active_low = 0;
+ led++;
+ }
+ ar2315_led_data.num_leds = led;
+ platform_device_register(&ar2315_gpio_leds);
+}
+#else
+static inline void ar2315_init_gpio_leds(void)
+{
+}
+#endif
+
void __init ar2315_init_devices(void)
{
/* Find board configuration */
@@ -268,6 +313,8 @@ void __init ar2315_init_devices(void)
ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
platform_device_register(&ar2315_gpio);
+ ar2315_init_gpio_leds();
+
ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
AR2315_MISC_IRQ_WATCHDOG);
ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -24,6 +24,7 @@
#include <linux/mtd/physmap.h>
#include <linux/reboot.h>
#include <linux/gpio.h>
+#include <linux/leds.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
@@ -228,6 +229,23 @@ static struct platform_device ar5312_gpi
.num_resources = ARRAY_SIZE(ar5312_gpio_res),
};
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar5312_leds[] = {
+ { .name = "wlan", .gpio = 0, .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data ar5312_led_data = {
+ .num_leds = ARRAY_SIZE(ar5312_leds),
+ .leds = (void *)ar5312_leds,
+};
+
+static struct platform_device ar5312_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = (void *)&ar5312_led_data,
+};
+#endif
+
static void __init ar5312_flash_init(void)
{
void __iomem *flashctl_base;
@@ -298,6 +316,11 @@ void __init ar5312_init_devices(void)
platform_device_register(&ar5312_gpio);
+#ifdef CONFIG_LEDS_GPIO
+ ar5312_leds[0].gpio = config->sys_led_gpio;
+ platform_device_register(&ar5312_gpio_leds);
+#endif
+
/* Fix up MAC addresses if necessary */
if (is_broadcast_ether_addr(config->enet0_mac))
ether_addr_copy(config->enet0_mac, config->enet1_mac);

View File

@ -0,0 +1,23 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -96,6 +96,10 @@ config IP17XX_PHY
tristate "Driver for IC+ IP17xx switches"
select SWCONFIG
+config MVSWITCH_PHY
+ tristate "Driver for Marvell 88E6060 switches"
+ select ETHERNET_PACKET_MANGLE
+
config PSB6970_PHY
tristate "Lantiq XWAY Tantos (PSB6970) Ethernet switch"
select SWCONFIG
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -31,6 +31,7 @@ ar8xxx-y += ar8216.o
ar8xxx-y += ar8327.o
obj-$(CONFIG_SWCONFIG_B53) += b53/
obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
+obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
obj-$(CONFIG_PSB6970_PHY) += psb6970.o
obj-$(CONFIG_RTL8306_PHY) += rtl8306.o
obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi.o

View File

@ -0,0 +1,13 @@
# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2011 OpenWrt.org
define Profile/Default
NAME:=Default Profile
PRIORITY:=1
endef
define Profile/Default/Description
Default package set compatible with most boards.
endef
$(eval $(call Profile,Default))