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ar71xx: add 2.6.34 preliminary support (patches)

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SVN-Revision: 20141
v19.07.3_mercusys_ac12_duma
Alexandros C. Couloumbis 15 years ago
parent d138f99bb2
commit 94db5a4acc
32 changed files with 1136 additions and 0 deletions
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50
target/linux/ar71xx/patches-2.6.34/001-ar71xx_core.patch
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--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -637,6 +637,13 @@ else
load-$(CONFIG_CPU_CAVIUM_OCTEON) += 0xffffffff81100000
endif
+#
+# Atheros AR71xx
+#
+core-$(CONFIG_ATHEROS_AR71XX) += arch/mips/ar71xx/
+cflags-$(CONFIG_ATHEROS_AR71XX) += -I$(srctree)/arch/mips/include/asm/mach-ar71xx
+load-$(CONFIG_ATHEROS_AR71XX) += 0xffffffff80060000
+
# temporary until string.h is fixed
cflags-y += -ffreestanding
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -48,6 +48,23 @@ config AR7
Support for the Texas Instruments AR7 System-on-a-Chip
family: TNETD7100, 7200 and 7300.
+config ATHEROS_AR71XX
+ bool "Atheros AR71xx based boards"
+ select CEVT_R4K
+ select CSRC_R4K
+ select DMA_NONCOHERENT
+ select HW_HAS_PCI
+ select IRQ_CPU
+ select ARCH_REQUIRE_GPIOLIB
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_HAS_EARLY_PRINTK
+ select MIPS_MACHINE
+ help
+ Support for Atheros AR71xx based boards.
+
config BCM47XX
bool "BCM47XX based boards"
select CEVT_R4K
@@ -682,6 +699,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
endchoice
source "arch/mips/alchemy/Kconfig"
+source "arch/mips/ar71xx/Kconfig"
source "arch/mips/bcm63xx/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/lasat/Kconfig"

10
target/linux/ar71xx/patches-2.6.34/002-ar71xx_pci.patch
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--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_PCI_TX4927) += ops-tx4927.o
obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \
ops-bcm63xx.o
+obj-$(CONFIG_ATHEROS_AR71XX) += pci-ar71xx.o pci-ar724x.o
#
# These are still pretty much in the old state, watch, go blind.

58
target/linux/ar71xx/patches-2.6.34/003-ar71xx_usb_host.patch
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--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -109,6 +109,13 @@ config XPS_USB_HCD_XILINX
support both high speed and full speed devices, or high speed
devices only.
+config USB_EHCI_AR71XX
+ bool "USB EHCI support for AR71xx"
+ depends on USB_EHCI_HCD && ATHEROS_AR71XX
+ default y
+ help
+ Support for Atheros AR71xx built-in EHCI controller
+
config USB_EHCI_FSL
bool "Support for Freescale on-chip EHCI USB controller"
depends on USB_EHCI_HCD && FSL_SOC
@@ -207,6 +214,13 @@ config USB_OHCI_HCD
To compile this driver as a module, choose M here: the
module will be called ohci-hcd.
+config USB_OHCI_AR71XX
+ bool "USB OHCI support for Atheros AR71xx"
+ depends on USB_OHCI_HCD && ATHEROS_AR71XX
+ default y
+ help
+ Support for Atheros AR71xx built-in OHCI controller
+
config USB_OHCI_HCD_PPC_SOC
bool "OHCI support for on-chip PPC USB controller"
depends on USB_OHCI_HCD && (STB03xxx || PPC_MPC52xx)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1158,6 +1158,11 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ehci_atmel_driver
#endif
+#ifdef CONFIG_USB_EHCI_AR71XX
+#include "ehci-ar71xx.c"
+#define PLATFORM_DRIVER ehci_ar71xx_driver
+#endif
+
#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
!defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER)
#error "missing bus glue for ehci-hcd"
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1085,6 +1085,11 @@ MODULE_LICENSE ("GPL");
#define TMIO_OHCI_DRIVER ohci_hcd_tmio_driver
#endif
+#ifdef CONFIG_USB_OHCI_AR71XX
+#include "ohci-ar71xx.c"
+#define PLATFORM_DRIVER ohci_hcd_ar71xx_driver
+#endif
+
#if !defined(PCI_DRIVER) && \
!defined(PLATFORM_DRIVER) && \
!defined(OF_PLATFORM_DRIVER) && \

26
target/linux/ar71xx/patches-2.6.34/004-ar71xx_spi_controller.patch
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--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -53,6 +53,13 @@ if SPI_MASTER
comment "SPI Master Controller Drivers"
+config SPI_AR71XX
+ tristate "Atheros AR71xx SPI Controller"
+ depends on SPI_MASTER && ATHEROS_AR71XX
+ select SPI_BITBANG
+ help
+ This is the SPI contoller driver for Atheros AR71xx.
+
config SPI_ATMEL
tristate "Atmel SPI Controller"
depends on (ARCH_AT91 || AVR32)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -11,6 +11,7 @@ endif
obj-$(CONFIG_SPI_MASTER) += spi.o
# SPI master controller drivers (bus)
+obj-$(CONFIG_SPI_AR71XX) += ar71xx_spi.o
obj-$(CONFIG_SPI_ATMEL) += atmel_spi.o
obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.o
obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o

21
target/linux/ar71xx/patches-2.6.34/005-ar71xx_mac_driver.patch
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--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2128,6 +2128,8 @@ config ACENIC_OMIT_TIGON_I
The safe and default value for this is N.
+source drivers/net/ag71xx/Kconfig
+
config DL2K
tristate "DL2000/TC902x-based Gigabit Ethernet support"
depends on PCI
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -106,6 +106,7 @@ obj-$(CONFIG_STMMAC_ETH) += stmmac/
# end link order section
#
+obj-$(CONFIG_AG71XX) += ag71xx/
obj-$(CONFIG_SUNDANCE) += sundance.o
obj-$(CONFIG_HAMACHI) += hamachi.o
obj-$(CONFIG_NET) += Space.o loopback.o

26
target/linux/ar71xx/patches-2.6.34/006-ar71xx_wdt_driver.patch
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--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -840,6 +840,13 @@ config TXX9_WDT
help
Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
+config AR71XX_WDT
+ tristate "Atheros AR71xx Watchdog Timer"
+ depends on ATHEROS_AR71XX
+ help
+ Hardware driver for the built-in watchdog timer on the Atheros
+ AR71xx SoCs.
+
# PARISC Architecture
# POWERPC Architecture
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -112,6 +112,7 @@ obj-$(CONFIG_PNX833X_WDT) += pnx833x_wdt
obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
+obj-$(CONFIG_AR71XX_WDT) += ar71xx_wdt.o
# PARISC Architecture

26
target/linux/ar71xx/patches-2.6.34/007-ar91xx_flash_driver.patch
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--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -257,6 +257,13 @@ config MTD_ALCHEMY
help
Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
+config MTD_AR91XX_FLASH
+ tristate "Atheros AR91xx parallel flash support"
+ depends on ATHEROS_AR71XX
+ select MTD_COMPLEX_MAPPINGS
+ help
+ Parallel flash driver for the Atheros AR91xx based boards.
+
config MTD_DILNETPC
tristate "CFI Flash device mapped on DIL/Net PC"
depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -40,6 +40,7 @@
obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o
obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
obj-$(CONFIG_MTD_PCI) += pci.o
+obj-$(CONFIG_MTD_AR91XX_FLASH) += ar91xx_flash.o
obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o
obj-$(CONFIG_MTD_EDB7312) += edb7312.o
obj-$(CONFIG_MTD_IMPA7) += impa7.o

24
target/linux/ar71xx/patches-2.6.34/101-ksz8041_phy_driver.patch
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--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -114,6 +114,11 @@ config RTL8306_PHY
tristate "Driver for Realtek RTL8306S switches"
select SWCONFIG
+config MICREL_PHY
+ tristate "Drivers for Micrel/Kendin PHYs"
+ ---help---
+ Currently has a driver for the KSZ8041
+
config FIXED_PHY
bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
depends on PHYLIB=y
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi
obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o
obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o
obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
+obj-$(CONFIG_MICREL) += micrel.o
obj-$(CONFIG_FIXED_PHY) += fixed.o
obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o

19
target/linux/ar71xx/patches-2.6.34/102-mtd_m25p80_add_myloader_parser.patch
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--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -922,6 +922,16 @@ static int __devinit m25p_probe(struct s
part_probes, &parts, 0);
}
+#ifdef CONFIG_MTD_MYLOADER_PARTS
+ if (nr_parts <= 0) {
+ static const char *part_probes[]
+ = { "MyLoader", NULL, };
+
+ nr_parts = parse_mtd_partitions(&flash->mtd,
+ part_probes, &parts, 0);
+ }
+#endif
+
if (nr_parts <= 0 && data && data->parts) {
parts = data->parts;
nr_parts = data->nr_parts;

18
target/linux/ar71xx/patches-2.6.34/104-mtd_m25p80_add_redboot_parser.patch
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@ -0,0 +1,18 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -932,6 +932,15 @@ static int __devinit m25p_probe(struct s
}
#endif
+#ifdef CONFIG_MTD_REDBOOT_PARTS
+ if (nr_parts <= 0) {
+ static const char *part_probes[]
+ = { "RedBoot", NULL, };
+
+ nr_parts = parse_mtd_partitions(&flash->mtd,
+ part_probes, &parts, 0);
+ }
+#endif
if (nr_parts <= 0 && data && data->parts) {
parts = data->parts;
nr_parts = data->nr_parts;

29
target/linux/ar71xx/patches-2.6.34/107-mtd-SST39VF6401B-support.patch
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--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -166,6 +166,7 @@
#define SST39LF160 0x2782
#define SST39VF1601 0x234b
#define SST39VF3201 0x235b
+#define SST39VF6401B 0x236d
#define SST39LF512 0x00D4
#define SST39LF010 0x00D5
#define SST39LF020 0x00D6
@@ -1556,6 +1557,18 @@ static const struct amd_flash_info jedec
ERASEINFO(0x10000,64),
}
}, {
+ .mfr_id = MANUFACTURER_SST,
+ .dev_id = SST39VF6401B,
+ .name = "SST 39VF6401B",
+ .devtypes = CFI_DEVICETYPE_X16,
+ .uaddr = MTD_UADDR_0xAAAA_0x5555,
+ .dev_size = SIZE_8MiB,
+ .cmd_set = P_ID_AMD_STD,
+ .nr_regions = 1,
+ .regions = {
+ ERASEINFO(0x10000,128)
+ }
+ }, {
.mfr_id = MANUFACTURER_ST,
.dev_id = M29F800AB,
.name = "ST M29F800AB",

69
target/linux/ar71xx/patches-2.6.34/108-mtd_fix_cfi_cmdset_0002_status_check.patch
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@ -0,0 +1,69 @@
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -1130,8 +1130,8 @@ static int __xipram do_write_oneword(str
break;
}
- if (chip_ready(map, adr))
- break;
+ if (chip_good(map, adr, datum))
+ goto enable_xip;
/* Latency issues. Drop the lock, wait a while and retry */
UDELAY(map, chip, adr, 1);
@@ -1147,6 +1147,8 @@ static int __xipram do_write_oneword(str
ret = -EIO;
}
+
+ enable_xip:
xip_enable(map, chip, adr);
op_done:
chip->state = FL_READY;
@@ -1493,7 +1495,6 @@ static int cfi_amdstd_write_buffers(stru
return 0;
}
-
/*
* Handle devices with one erase region, that only implement
* the chip erase command.
@@ -1557,8 +1558,8 @@ static int __xipram do_erase_chip(struct
chip->erase_suspended = 0;
}
- if (chip_ready(map, adr))
- break;
+ if (chip_good(map, adr, map_word_ff(map)))
+ goto op_done;
if (time_after(jiffies, timeo)) {
printk(KERN_WARNING "MTD %s(): software timeout\n",
@@ -1578,6 +1579,7 @@ static int __xipram do_erase_chip(struct
ret = -EIO;
}
+ op_done:
chip->state = FL_READY;
xip_enable(map, chip, adr);
put_chip(map, chip, adr);
@@ -1645,9 +1647,9 @@ static int __xipram do_erase_oneblock(st
chip->erase_suspended = 0;
}
- if (chip_ready(map, adr)) {
+ if (chip_good(map, adr, map_word_ff(map))) {
xip_enable(map, chip, adr);
- break;
+ goto op_done;
}
if (time_after(jiffies, timeo)) {
@@ -1669,6 +1671,7 @@ static int __xipram do_erase_oneblock(st
ret = -EIO;
}
+ op_done:
chip->state = FL_READY;
put_chip(map, chip, adr);
spin_unlock(chip->mutex);

44
target/linux/ar71xx/patches-2.6.34/109-mtd-wrt160nl-trx-parser.patch
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@ -0,0 +1,44 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -941,6 +941,16 @@ static int __devinit m25p_probe(struct s
part_probes, &parts, 0);
}
#endif
+
+#ifdef CONFIG_MTD_WRT160NL_PARTS
+ if (nr_parts <= 0) {
+ static const char *part_probes[]
+ = { "wrt160nl", NULL, };
+
+ nr_parts = parse_mtd_partitions(&flash->mtd,
+ part_probes, &parts, 0);
+ }
+#endif
if (nr_parts <= 0 && data && data->parts) {
parts = data->parts;
nr_parts = data->nr_parts;
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -181,6 +181,12 @@ config MTD_AR7_PARTS
---help---
TI AR7 partitioning support
+config MTD_WRT160NL_PARTS
+ tristate "Linksys WRT160NL partitioning support"
+ depends on MTD_PARTITIONS && AR71XX_MACH_WRT160NL
+ ---help---
+ Linksys WRT160NL partitioning support
+
config MTD_MYLOADER_PARTS
tristate "MyLoader partition parsing"
depends on MTD_PARTITIONS && (ADM5120 || ATHEROS_AR231X || ATHEROS_AR71XX)
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_MTD_REDBOOT_PARTS) += redbo
obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
+obj-$(CONFIG_MTD_WRT160NL_PARTS) += wrt160nl_part.o
obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o

22
target/linux/ar71xx/patches-2.6.34/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
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--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1194,6 +1194,9 @@ static void end_unlink_async (struct ehc
ehci->reclaim = NULL;
start_unlink_async (ehci, next);
}
+
+ if (ehci->has_synopsys_hc_bug)
+ writel((u32)ehci->async->qh_dma, &ehci->regs->async_next);
}
/* makes sure the async qh will become idle */
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -129,6 +129,7 @@ struct ehci_hcd { /* one per controlle
unsigned has_amcc_usb23:1;
unsigned need_io_watchdog:1;
unsigned broken_periodic:1;
+ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)

61
target/linux/ar71xx/patches-2.6.34/111-mtd-cfi_cmdset_0002-force-word-write.patch
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@ -0,0 +1,61 @@
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -39,7 +39,7 @@
#include <linux/mtd/xip.h>
#define AMD_BOOTLOC_BUG
-#define FORCE_WORD_WRITE 0
+#define FORCE_WORD_WRITE 1
#define MAX_WORD_RETRIES 3
@@ -55,7 +55,9 @@
static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
+#if !FORCE_WORD_WRITE
static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
+#endif
static int cfi_amdstd_erase_chip(struct mtd_info *, struct erase_info *);
static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *);
static void cfi_amdstd_sync (struct mtd_info *);
@@ -190,6 +192,7 @@ static void fixup_amd_bootblock(struct m
}
#endif
+#if !FORCE_WORD_WRITE
static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
{
struct map_info *map = mtd->priv;
@@ -199,6 +202,7 @@ static void fixup_use_write_buffers(stru
mtd->write = cfi_amdstd_write_buffers;
}
}
+#endif /* !FORCE_WORD_WRITE */
/* Atmel chips don't use the same PRI format as AMD chips */
static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
@@ -1304,6 +1308,7 @@ static int cfi_amdstd_write_words(struct
/*
* FIXME: interleaved mode not tested, and probably not supported!
*/
+#if !FORCE_WORD_WRITE
static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
unsigned long adr, const u_char *buf,
int len)
@@ -1415,7 +1420,6 @@ static int __xipram do_write_buffer(stru
return ret;
}
-
static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf)
{
@@ -1494,6 +1498,7 @@ static int cfi_amdstd_write_buffers(stru
return 0;
}
+#endif /* !FORCE_WORD_WRITE */
/*
* Handle devices with one erase region, that only implement

11
target/linux/ar71xx/patches-2.6.34/120-dsa-trailer-tag-validation-fix.patch
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@ -0,0 +1,11 @@
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -86,7 +86,7 @@ static int trailer_rcv(struct sk_buff *s
trailer = skb_tail_pointer(skb) - 4;
if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
- (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
+ (trailer[2] & 0xef) != 0x00 || (trailer[3] & 0xfe) != 0x00)
goto out_drop;
source_port = trailer[1] & 7;

26
target/linux/ar71xx/patches-2.6.34/121-dsa-add-88e6063-driver.patch
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@ -0,0 +1,26 @@
--- a/net/dsa/Kconfig
+++ b/net/dsa/Kconfig
@@ -36,6 +36,13 @@ config NET_DSA_MV88E6060
This enables support for the Marvell 88E6060 ethernet switch
chip.
+config NET_DSA_MV88E6063
+ bool "Marvell 88E6063 ethernet switch chip support"
+ select NET_DSA_TAG_TRAILER
+ ---help---
+ This enables support for the Marvell 88E6063 ethernet switch
+ chip
+
config NET_DSA_MV88E6XXX_NEED_PPU
bool
default n
--- a/net/dsa/Makefile
+++ b/net/dsa/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag
# switch drivers
obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
+obj-$(CONFIG_NET_DSA_MV88E6063) += mv88e6063.o
obj-$(CONFIG_NET_DSA_MV88E6123_61_65) += mv88e6123_61_65.o
obj-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o

79
target/linux/ar71xx/patches-2.6.34/122-dsa-add-qinq-tagging-format.patch
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@ -0,0 +1,79 @@
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -81,6 +81,7 @@
#define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */
#define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */
#define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */
+#define ETH_P_QINQ 0x9100 /* QinQ VLAN Stacking Protocol */
#define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */
/*
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -174,6 +174,9 @@ netdev_tx_t dsa_xmit(struct sk_buff *skb
/* tag_edsa.c */
netdev_tx_t edsa_xmit(struct sk_buff *skb, struct net_device *dev);
+/* tag_qinq.c */
+netdev_tx_t qinq_xmit(struct sk_buff *skb, struct net_device *dev);
+
/* tag_trailer.c */
netdev_tx_t trailer_xmit(struct sk_buff *skb, struct net_device *dev);
--- a/net/dsa/Kconfig
+++ b/net/dsa/Kconfig
@@ -23,6 +23,10 @@ config NET_DSA_TAG_TRAILER
bool
default n
+config NET_DSA_TAG_QINQ
+ bool
+ default y
+
# switch drivers
config NET_DSA_MV88E6XXX
--- a/net/dsa/Makefile
+++ b/net/dsa/Makefile
@@ -1,6 +1,7 @@
# tagging formats
obj-$(CONFIG_NET_DSA_TAG_DSA) += tag_dsa.o
obj-$(CONFIG_NET_DSA_TAG_EDSA) += tag_edsa.o
+obj-$(CONFIG_NET_DSA_TAG_QINQ) += tag_qinq.o
obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o
# switch drivers
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -321,6 +321,19 @@ static const struct net_device_ops edsa_
.ndo_do_ioctl = dsa_slave_ioctl,
};
#endif
+#ifdef CONFIG_NET_DSA_TAG_QINQ
+static const struct net_device_ops qinq_netdev_ops = {
+ .ndo_init = dsa_slave_init,
+ .ndo_open = dsa_slave_open,
+ .ndo_stop = dsa_slave_close,
+ .ndo_start_xmit = qinq_xmit,
+ .ndo_change_rx_flags = dsa_slave_change_rx_flags,
+ .ndo_set_rx_mode = dsa_slave_set_rx_mode,
+ .ndo_set_multicast_list = dsa_slave_set_rx_mode,
+ .ndo_set_mac_address = dsa_slave_set_mac_address,
+ .ndo_do_ioctl = dsa_slave_ioctl,
+};
+#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
static const struct net_device_ops trailer_netdev_ops = {
.ndo_init = dsa_slave_init,
@@ -366,6 +379,11 @@ dsa_slave_create(struct dsa_switch *ds,
slave_dev->netdev_ops = &edsa_netdev_ops;
break;
#endif
+#ifdef CONFIG_NET_DSA_TAG_QINQ
+ case htons(ETH_P_QINQ):
+ slave_dev->netdev_ops = &qinq_netdev_ops;
+ break;
+#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
case htons(ETH_P_TRAILER):
slave_dev->netdev_ops = &trailer_netdev_ops;

28
target/linux/ar71xx/patches-2.6.34/123-dsa-add-ar7240-built-in-switch-support.patch
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@ -0,0 +1,28 @@
--- a/net/dsa/Kconfig
+++ b/net/dsa/Kconfig
@@ -29,6 +29,15 @@ config NET_DSA_TAG_QINQ
# switch drivers
+config NET_DSA_AR7240
+ bool "Atheros AR7240 built-in ethernet switch support"
+ depends on ATHEROS_AR71XX
+ default n
+ select NET_DSA_TAG_QINQ
+ ---help---
+ This enables support for the built-in ethernet switch of the
+ Atheros AR7240 SoC.
+
config NET_DSA_MV88E6XXX
bool
default n
--- a/net/dsa/Makefile
+++ b/net/dsa/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_NET_DSA_TAG_QINQ) += tag_qi
obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o
# switch drivers
+obj-$(CONFIG_NET_DSA_AR7240) += ar7240.o
obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
obj-$(CONFIG_NET_DSA_MV88E6063) += mv88e6063.o

54
target/linux/ar71xx/patches-2.6.34/140-redboot_partition_scan.patch
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@ -0,0 +1,54 @@
--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -60,31 +60,32 @@ static int parse_redboot_partitions(stru
static char nullstring[] = "unallocated";
#endif
+ buf = vmalloc(master->erasesize);
+ if (!buf)
+ return -ENOMEM;
+
+ restart:
if ( directory < 0 ) {
offset = master->size + directory * master->erasesize;
- while (master->block_isbad &&
+ while (master->block_isbad &&
master->block_isbad(master, offset)) {
if (!offset) {
nogood:
printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n");
+ vfree(buf);
return -EIO;
}
offset -= master->erasesize;
}
} else {
offset = directory * master->erasesize;
- while (master->block_isbad &&
+ while (master->block_isbad &&
master->block_isbad(master, offset)) {
offset += master->erasesize;
if (offset == master->size)
goto nogood;
}
}
- buf = vmalloc(master->erasesize);
-
- if (!buf)
- return -ENOMEM;
-
printk(KERN_NOTICE "Searching for RedBoot partition table in %s at offset 0x%lx\n",
master->name, offset);
@@ -156,6 +157,11 @@ static int parse_redboot_partitions(stru
}
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;
+ }
printk(KERN_NOTICE "No RedBoot partition table detected in %s\n",
master->name);
ret = 0;

21
target/linux/ar71xx/patches-2.6.34/200-rb4xx_nand_driver.patch
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@ -0,0 +1,21 @@
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -488,4 +488,8 @@ config MTD_NAND_W90P910
This enables the driver for the NAND Flash on evaluation board based
on w90p910.
+config MTD_NAND_RB4XX
+ tristate "NAND flash driver for RouterBoard 4xx series"
+ depends on MTD_NAND && AR71XX_MACH_RB4XX
+
endif # MTD_NAND
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_MTD_NAND_CM_X270) += cmx27
obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o
obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o
obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o
+obj-$(CONFIG_MTD_NAND_RB4XX) += rb4xx_nand.o
obj-$(CONFIG_MTD_ALAUDA) += alauda.o
obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o
obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o

27
target/linux/ar71xx/patches-2.6.34/201-ap83_spi_controller.patch
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@ -0,0 +1,27 @@
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -11,6 +11,7 @@ endif
obj-$(CONFIG_SPI_MASTER) += spi.o
# SPI master controller drivers (bus)
+obj-$(CONFIG_SPI_AP83) += ap83_spi.o
obj-$(CONFIG_SPI_AR71XX) += ar71xx_spi.o
obj-$(CONFIG_SPI_ATMEL) += atmel_spi.o
obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.o
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -53,6 +53,14 @@ if SPI_MASTER
comment "SPI Master Controller Drivers"
+config SPI_AP83
+ tristate "Atheros AP83 specific SPI Controller"
+ depends on SPI_MASTER && AR71XX_MACH_AP83
+ select SPI_BITBANG
+ help
+ This is a specific SPI controller driver for the Atheros AP83
+ reference board.
+
config SPI_AR71XX
tristate "Atheros AR71xx SPI Controller"
depends on SPI_MASTER && ATHEROS_AR71XX

24
target/linux/ar71xx/patches-2.6.34/202-spi_vsc7385_driver.patch
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@ -0,0 +1,24 @@
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -365,6 +365,11 @@ config SPI_TLE62X0
sysfs interface, with each line presented as a kind of GPIO
exposing both switch control and diagnostic feedback.
+config SPI_VSC7385
+ tristate "Vitesse VSC7385 ethernet switch driver"
+ help
+ SPI driver for the Vitesse VSC7385 ethernet switch.
+
#
# Add new SPI protocol masters in alphabetical order above this line
#
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -54,6 +54,7 @@ spi_s3c24xx_hw-$(CONFIG_SPI_S3C24XX_FIQ)
# SPI protocol drivers (device/link on bus)
obj-$(CONFIG_SPI_SPIDEV) += spidev.o
+obj-$(CONFIG_SPI_VSC7385) += spi_vsc7385.o
obj-$(CONFIG_SPI_TLE62X0) += tle62x0.o
# ... add above this line ...

27
target/linux/ar71xx/patches-2.6.34/203-pb44_spi_controller.patch
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@ -0,0 +1,27 @@
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -68,6 +68,14 @@ config SPI_AR71XX
help
This is the SPI contoller driver for Atheros AR71xx.
+config SPI_PB44
+ tristate "Atheros PB44 board specific SPI controller"
+ depends on SPI_MASTER && AR71XX_MACH_PB44
+ select SPI_BITBANG
+ help
+ This is a specific SPI controller driver for the Atheros PB44
+ reference board.
+
config SPI_ATMEL
tristate "Atmel SPI Controller"
depends on (ARCH_AT91 || AVR32)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_SPI_GPIO) += spi_gpio.o
obj-$(CONFIG_SPI_GPIO_OLD) += spi_gpio_old.o
obj-$(CONFIG_SPI_IMX) += spi_imx.o
obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
+obj-$(CONFIG_SPI_PB44) += pb44_spi.o
obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
obj-$(CONFIG_SPI_OMAP_UWIRE) += omap_uwire.o
obj-$(CONFIG_SPI_OMAP24XX) += omap2_mcspi.o

26
target/linux/ar71xx/patches-2.6.34/205-wndr3700-usb-led-driver.patch
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@ -0,0 +1,26 @@
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -269,6 +269,13 @@ config LEDS_ADP5520
To compile this driver as a module, choose M here: the module will
be called leds-adp5520.
+config LEDS_WNDR3700_USB
+ tristate "NETGEAR WNDR3700 USB LED driver"
+ depends on LEDS_CLASS && AR71XX_MACH_WNDR3700
+ help
+ This option enables support for the USB LED found on the
+ NETGEAR WNDR3700 board.
+
comment "LED Triggers"
config LEDS_TRIGGERS
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_LEDS_DA903X) += leds-da903
obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o
obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o
obj-$(CONFIG_LEDS_PWM) += leds-pwm.o
+obj-${CONFIG_LEDS_WNDR3700_USB} += leds-wndr3700-usb.o
obj-$(CONFIG_LEDS_REGULATOR) += leds-regulator.o
obj-$(CONFIG_LEDS_INTEL_SS4200) += leds-ss4200.o
obj-$(CONFIG_LEDS_LT3593) += leds-lt3593.o

25
target/linux/ar71xx/patches-2.6.34/206-nxp-74hc153-gpio-chip-driver.patch
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@ -0,0 +1,25 @@
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -255,4 +255,12 @@ config GPIO_UCB1400
To compile this driver as a module, choose M here: the
module will be called ucb1400_gpio.
+comment "Other GPIO expanders"
+
+config GPIO_NXP_74HC153
+ tristate "NXP 74HC153 Dual 4-input multiplexer"
+ help
+ Platform driver for NXP 74HC153 Dual 4-input Multiplexer. This
+ provides a GPIO interface supporting inputs.
+
endif
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_GPIO_MAX7301) += max7301.o
obj-$(CONFIG_GPIO_MAX732X) += max732x.o
obj-$(CONFIG_GPIO_MC33880) += mc33880.o
obj-$(CONFIG_GPIO_MCP23S08) += mcp23s08.o
+obj-$(CONFIG_GPIO_NXP_74HC153) += nxp_74hc153.o
obj-$(CONFIG_GPIO_PCA953X) += pca953x.o
obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o
obj-$(CONFIG_GPIO_PL061) += pl061.o

23
target/linux/ar71xx/patches-2.6.34/207-rb750-led-driver.patch
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@ -0,0 +1,23 @@
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -276,6 +276,10 @@ config LEDS_WNDR3700_USB
This option enables support for the USB LED found on the
NETGEAR WNDR3700 board.
+config LEDS_RB750
+ tristate "LED driver for the Mikrotik RouterBOARD 750"
+ depends on LEDS_CLASS && AR71XX_MACH_RB750
+
comment "LED Triggers"
config LEDS_TRIGGERS
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_LEDS_REGULATOR) += leds-re
obj-$(CONFIG_LEDS_INTEL_SS4200) += leds-ss4200.o
obj-$(CONFIG_LEDS_LT3593) += leds-lt3593.o
obj-$(CONFIG_LEDS_ADP5520) += leds-adp5520.o
+obj-$(CONFIG_LEDS_RB750) += leds-rb750.o
# LED SPI Drivers
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o

21
target/linux/ar71xx/patches-2.6.34/208-rb750-nand-driver.patch
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@ -0,0 +1,21 @@
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -492,4 +492,8 @@ config MTD_NAND_RB4XX
tristate "NAND flash driver for RouterBoard 4xx series"
depends on MTD_NAND && AR71XX_MACH_RB4XX
+config MTD_NAND_RB750
+ tristate "NAND flash driver for the RouterBoard 750"
+ depends on MTD_NAND && AR71XX_MACH_RB750
+
endif # MTD_NAND
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx
obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o
obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o
obj-$(CONFIG_MTD_NAND_RB4XX) += rb4xx_nand.o
+obj-$(CONFIG_MTD_NAND_RB750) += rb750_nand.o
obj-$(CONFIG_MTD_ALAUDA) += alauda.o
obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o
obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o

22
target/linux/ar71xx/patches-2.6.34/300-mips_fw_myloader.patch
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@ -0,0 +1,22 @@
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -181,6 +181,7 @@ endif
#
libs-$(CONFIG_ARC) += arch/mips/fw/arc/
libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
+libs-$(CONFIG_MYLOADER) += arch/mips/fw/myloader/
libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
libs-y += arch/mips/fw/lib/
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -877,6 +877,9 @@ config MIPS_NILE4
config MIPS_DISABLE_OBSOLETE_IDE
bool
+config MYLOADER
+ bool
+
config SYNC_R4K
bool

134
target/linux/ar71xx/patches-2.6.34/400-mips-multi-machine-update.patch
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@ -0,0 +1,134 @@
--- a/arch/mips/kernel/mips_machine.c
+++ b/arch/mips/kernel/mips_machine.c
@@ -7,12 +7,13 @@
*
*/
#include <linux/mm.h>
+#include <linux/string.h>
#include <asm/mips_machine.h>
-#include <asm/bootinfo.h>
static struct list_head mips_machines __initdata =
LIST_HEAD_INIT(mips_machines);
+static char *mips_machid __initdata;
char *mips_machine_name = "Unknown";
@@ -55,20 +56,65 @@ void __init mips_machine_set_name(char *
}
}
-void __init mips_machine_setup(unsigned long machtype)
+void __init mips_machine_setup(void)
{
struct mips_machine *mach;
- mach = mips_machine_find(machtype);
+ mach = mips_machine_find(mips_machtype);
if (!mach) {
- printk(KERN_ALERT "MIPS: no machine registered for "
- "machtype %lu\n", machtype);
+ printk(KERN_WARNING "MIPS: no machine registered for "
+ "machtype %lu\n", mips_machtype);
return;
}
mips_machine_set_name(mach->mach_name);
- printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
+ printk(KERN_NOTICE "MIPS: machine is %s\n", mips_machine_name);
if (mach->mach_setup)
mach->mach_setup();
}
+
+int __init mips_machtype_setup(char *id)
+{
+ if (mips_machid == NULL)
+ mips_machid = id;
+
+ return 1;
+}
+
+__setup("machtype=", mips_machtype_setup);
+
+static int __init mips_machtype_init(void)
+{
+ struct list_head *this;
+ struct mips_machine *mach;
+
+ if (mips_machid == NULL)
+ return 0;
+
+ list_for_each(this, &mips_machines) {
+ mach = list_entry(this, struct mips_machine, list);
+ if (mach->mach_id == NULL)
+ continue;
+
+ if (strcmp(mach->mach_id, mips_machid) == 0) {
+ mips_machtype = mach->mach_type;
+ return 0;
+ }
+ }
+
+ printk(KERN_WARNING
+ "MIPS: no machine found for id: '%s', registered machines:\n",
+ mips_machid);
+ printk(KERN_WARNING "%32s %s\n", "id", "name");
+
+ list_for_each(this, &mips_machines) {
+ mach = list_entry(this, struct mips_machine, list);
+ printk(KERN_WARNING "%32s %s\n",
+ mach->mach_id ? mach->mach_id : "", mach->mach_name);
+ }
+
+ return 0;
+}
+
+core_initcall(mips_machtype_init);
--- a/arch/mips/include/asm/mips_machine.h
+++ b/arch/mips/include/asm/mips_machine.h
@@ -13,25 +13,33 @@
#include <linux/init.h>
#include <linux/list.h>
+#include <asm/bootinfo.h>
+
struct mips_machine {
unsigned long mach_type;
- void (*mach_setup)(void);
+ char *mach_id;
char *mach_name;
+ void (*mach_setup)(void);
struct list_head list;
};
void mips_machine_register(struct mips_machine *) __init;
-void mips_machine_setup(unsigned long machtype) __init;
+void mips_machine_setup(void) __init;
+int mips_machtype_setup(char *id) __init;
void mips_machine_set_name(char *name) __init;
extern char *mips_machine_name;
-#define MIPS_MACHINE(_type, _name, _setup) \
-static char machine_name_##_type[] __initdata = _name; \
+#define MIPS_MACHINE(_type, _id, _name, _setup) \
+static const char machine_name_##_type[] __initconst \
+ __aligned(1) = _name; \
+static const char machine_id_##_type[] __initconst \
+ __aligned(1) = _id; \
static struct mips_machine machine_##_type __initdata = \
{ \
.mach_type = _type, \
- .mach_name = machine_name_##_type, \
+ .mach_id = (char *) machine_id_##_type, \
+ .mach_name = (char *) machine_name_##_type, \
.mach_setup = _setup, \
}; \
\
@@ -44,4 +52,3 @@ static int __init register_machine_##_ty
pure_initcall(register_machine_##_type)
#endif /* __ASM_MIPS_MACHINE_H */
-

29
target/linux/ar71xx/patches-2.6.34/901-get_c0_compare_irq_function.patch
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@ -0,0 +1,29 @@
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -51,6 +51,7 @@
#include <asm/stacktrace.h>
#include <asm/irq.h>
#include <asm/uasm.h>
+#include <asm/time.h>
extern void check_wait(void);
extern asmlinkage void r4k_wait(void);
@@ -1501,6 +1502,8 @@
if (cpu_has_mips_r2) {
cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
+ if (get_c0_compare_irq)
+ cp0_compare_irq = get_c0_compare_irq();
cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
if (cp0_perfcount_irq == cp0_compare_irq)
cp0_perfcount_irq = -1;
--- a/arch/mips/include/asm/time.h
+++ b/arch/mips/include/asm/time.h
@@ -52,6 +52,7 @@ extern int (*perf_irq)(void);
*/
#ifdef CONFIG_CEVT_R4K_LIB
extern unsigned int __weak get_c0_compare_int(void);
+extern unsigned int __weak get_c0_compare_irq(void);
extern int r4k_clockevent_init(void);
#endif

56
target/linux/ar71xx/patches-2.6.34/902-mips_clocksource_init_war.patch
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@ -0,0 +1,56 @@
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -16,6 +16,22 @@
#include <asm/cevt-r4k.h>
/*
+ * Compare interrupt can be routed and latched outside the core,
+ * so a single execution hazard barrier may not be enough to give
+ * it time to clear as seen in the Cause register. 4 time the
+ * pipeline depth seems reasonably conservative, and empirically
+ * works better in configurations with high CPU/bus clock ratios.
+ */
+
+#define compare_change_hazard() \
+ do { \
+ irq_disable_hazard(); \
+ irq_disable_hazard(); \
+ irq_disable_hazard(); \
+ irq_disable_hazard(); \
+ } while (0)
+
+/*
* The SMTC Kernel for the 34K, 1004K, et. al. replaces several
* of these routines with SMTC-specific variants.
*/
@@ -31,6 +47,7 @@ static int mips_next_event(unsigned long
cnt = read_c0_count();
cnt += delta;
write_c0_compare(cnt);
+ compare_change_hazard();
res = ((int)(read_c0_count() - cnt) > 0) ? -ETIME : 0;
return res;
}
@@ -100,22 +117,6 @@ static int c0_compare_int_pending(void)
return (read_c0_cause() >> cp0_compare_irq_shift) & (1ul << CAUSEB_IP);
}
-/*
- * Compare interrupt can be routed and latched outside the core,
- * so a single execution hazard barrier may not be enough to give
- * it time to clear as seen in the Cause register. 4 time the
- * pipeline depth seems reasonably conservative, and empirically
- * works better in configurations with high CPU/bus clock ratios.
- */
-
-#define compare_change_hazard() \
- do { \
- irq_disable_hazard(); \
- irq_disable_hazard(); \
- irq_disable_hazard(); \
- irq_disable_hazard(); \
- } while (0)
-
int c0_compare_int_usable(void)
{
unsigned int delta;
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