amazon: Upgrade amazon target to kernel 2.6.37

This was just a little bit tested on an SAMSUNG SMT-G3020 and pci and usb do not work like before.

SVN-Revision: 26576

8 files changed, 211 insertions, 0 deletions

diff --git a/target/linux/amazon/patches-2.6.37/000-mips-bad-intctl.patch b/target/linux/amazon/patches-2.6.37/000-mips-bad-intctl.patch
new file mode 100644
index 0000000000..f89e078e70
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/000-mips-bad-intctl.patch
@@ -0,0 +1,33 @@
+--- a/arch/mips/kernel/traps.c
++++ b/arch/mips/kernel/traps.c
+@@ -1578,7 +1578,16 @@ void __cpuinit per_cpu_trap_init(void)
+ 	if (cpu_has_mips_r2) {
+ 		cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
+ 		cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
++		if (!cp0_compare_irq)
++			cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
++
+ 		cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
++		if (!cp0_perfcount_irq)
++			cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ;
++
++		if (arch_fixup_c0_irqs)
++			arch_fixup_c0_irqs();
++
+ 		if (cp0_perfcount_irq == cp0_compare_irq)
+ 			cp0_perfcount_irq = -1;
+ 	} else {
+--- a/arch/mips/include/asm/irq.h
++++ b/arch/mips/include/asm/irq.h
+@@ -138,9 +138,11 @@ extern void free_irqno(unsigned int irq)
+  * IE7.  Since R2 their number has to be read from the c0_intctl register.
+  */
+ #define CP0_LEGACY_COMPARE_IRQ 7
++#define CP0_LEGACY_PERFCNT_IRQ 7
+ 
+ extern int cp0_compare_irq;
+ extern int cp0_compare_irq_shift;
+ extern int cp0_perfcount_irq;
++extern void __weak arch_fixup_c0_irqs(void);
+ 
+ #endif /* _ASM_IRQ_H */
diff --git a/target/linux/amazon/patches-2.6.37/010-mips_clocksource_init_war.patch b/target/linux/amazon/patches-2.6.37/010-mips_clocksource_init_war.patch
new file mode 100644
index 0000000000..7078b37437
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/010-mips_clocksource_init_war.patch
@@ -0,0 +1,33 @@
+--- a/arch/mips/kernel/cevt-r4k.c
++++ b/arch/mips/kernel/cevt-r4k.c
+@@ -23,6 +23,22 @@
+ 
+ #ifndef CONFIG_MIPS_MT_SMTC
+ 
++/*
++ * 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)
++
+ static int mips_next_event(unsigned long delta,
+                            struct clock_event_device *evt)
+ {
+@@ -32,6 +48,7 @@ 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;
+ }
diff --git a/target/linux/amazon/patches-2.6.37/017-wdt-driver.patch b/target/linux/amazon/patches-2.6.37/017-wdt-driver.patch
new file mode 100644
index 0000000000..63da655f6e
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/017-wdt-driver.patch
@@ -0,0 +1,10 @@
+--- a/drivers/watchdog/Makefile
++++ b/drivers/watchdog/Makefile
+@@ -119,6 +119,7 @@ obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
+ obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
+ obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o
+ octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o
++obj-$(CONFIG_AMAZON_WDT) += amazon_wdt.o
+ 
+ # PARISC Architecture
+ 
diff --git a/target/linux/amazon/patches-2.6.37/100-board.patch b/target/linux/amazon/patches-2.6.37/100-board.patch
new file mode 100644
index 0000000000..15f367feb6
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/100-board.patch
@@ -0,0 +1,53 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -102,6 +102,22 @@ config BCM63XX
+ 	help
+ 	 Support for BCM63XX based boards
+ 
++config AMAZON
++	bool "Amazon support (EXPERIMENTAL)"
++	depends on EXPERIMENTAL
++	select DMA_NONCOHERENT
++	select IRQ_CPU
++	select CEVT_R4K
++	select CSRC_R4K
++	select SYS_HAS_CPU_MIPS32_R1
++	select SYS_HAS_CPU_MIPS32_R2
++	select HAVE_STD_PC_SERIAL_PORT
++	select SYS_SUPPORTS_BIG_ENDIAN
++	select SYS_SUPPORTS_32BIT_KERNEL
++	select SYS_HAS_EARLY_PRINTK
++	select HW_HAS_PCI
++	select SWAP_IO_SPACE
++
+ config MIPS_COBALT
+ 	bool "Cobalt Server"
+ 	select CEVT_R4K
+@@ -716,6 +732,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
+ 
+ endchoice
+ 
++source "arch/mips/amazon/Kconfig"
+ source "arch/mips/alchemy/Kconfig"
+ source "arch/mips/bcm63xx/Kconfig"
+ source "arch/mips/jazz/Kconfig"
+--- a/arch/mips/Kbuild.platforms
++++ b/arch/mips/Kbuild.platforms
+@@ -5,6 +5,7 @@ platforms += ar7
+ platforms += bcm47xx
+ platforms += bcm63xx
+ platforms += cavium-octeon
++platforms += amazon
+ platforms += cobalt
+ platforms += dec
+ platforms += emma
+--- /dev/null
++++ b/arch/mips/amazon/Platform
+@@ -0,0 +1,7 @@
++#
++# Infineon AMAZON boards
++#
++platform-$(CONFIG_AMAZON)	+= amazon/
++cflags-$(CONFIG_AMAZON)	+=					\
++		-I$(srctree)/arch/mips/include/asm/mach-amazon
++load-$(CONFIG_AMAZON)		:= 0xffffffff80002000
diff --git a/target/linux/amazon/patches-2.6.37/130-mtd_drivers.patch b/target/linux/amazon/patches-2.6.37/130-mtd_drivers.patch
new file mode 100644
index 0000000000..b13a8374ff
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/130-mtd_drivers.patch
@@ -0,0 +1,7 @@
+--- a/drivers/mtd/maps/Makefile
++++ b/drivers/mtd/maps/Makefile
+@@ -59,3 +59,4 @@ obj-$(CONFIG_MTD_RBTX4939)	+= rbtx4939-f
+ obj-$(CONFIG_MTD_VMU)		+= vmu-flash.o
+ obj-$(CONFIG_MTD_GPIO_ADDR)	+= gpio-addr-flash.o
+ obj-$(CONFIG_MTD_BCM963XX)	+= bcm963xx-flash.o
++obj-$(CONFIG_AMAZON_MTD)	+= amazon.o
diff --git a/target/linux/amazon/patches-2.6.37/140-net_drivers.patch b/target/linux/amazon/patches-2.6.37/140-net_drivers.patch
new file mode 100644
index 0000000000..49dc3c8138
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/140-net_drivers.patch
@@ -0,0 +1,9 @@
+--- a/drivers/net/Makefile
++++ b/drivers/net/Makefile
+@@ -302,3 +302,6 @@ obj-$(CONFIG_CAIF) += caif/
+ obj-$(CONFIG_OCTEON_MGMT_ETHERNET) += octeon/
+ obj-$(CONFIG_PCH_GBE) += pch_gbe/
+ obj-$(CONFIG_TILE_NET) += tile/
++
++obj-$(CONFIG_AMAZON_NET_SW) += amazon_sw.o
++obj-$(CONFIG_ADM6996_SUPPORT) += admmod.o
diff --git a/target/linux/amazon/patches-2.6.37/150-serial_driver.patch b/target/linux/amazon/patches-2.6.37/150-serial_driver.patch
new file mode 100644
index 0000000000..8b7741c93b
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/150-serial_driver.patch
@@ -0,0 +1,10 @@
+--- a/drivers/serial/Makefile
++++ b/drivers/serial/Makefile
+@@ -3,6 +3,7 @@
+ #
+ 
+ obj-$(CONFIG_SERIAL_CORE) += serial_core.o
++obj-$(CONFIG_AMAZON_ASC_UART) += amazon_asc.o
+ obj-$(CONFIG_SERIAL_21285) += 21285.o
+ 
+ # These Sparc drivers have to appear before others such as 8250
diff --git a/target/linux/amazon/patches-2.6.37/160-cfi-swap.patch b/target/linux/amazon/patches-2.6.37/160-cfi-swap.patch
new file mode 100644
index 0000000000..65ce6616d3
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/160-cfi-swap.patch
@@ -0,0 +1,56 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1166,6 +1166,9 @@ static int __xipram do_write_oneword(str
+ 	int retry_cnt = 0;
+ 
+ 	adr += chip->start;
++#ifdef CONFIG_AMAZON
++	adr ^= 2;
++#endif
+ 
+ 	mutex_lock(&chip->mutex);
+ 	ret = get_chip(map, chip, adr, FL_WRITING);
+@@ -1433,7 +1436,11 @@ static int __xipram do_write_buffer(stru
+ 	z = 0;
+ 	while(z < words * map_bankwidth(map)) {
+ 		datum = map_word_load(map, buf);
++#ifdef CONFIG_AMAZON
++		map_write(map, datum, (adr + z) ^ 0x2);
++#else
+ 		map_write(map, datum, adr + z);
++#endif
+ 
+ 		z += map_bankwidth(map);
+ 		buf += map_bankwidth(map);
+@@ -1678,6 +1685,9 @@ static int __xipram do_erase_oneblock(st
+ 	int ret = 0;
+ 
+ 	adr += chip->start;
++#ifdef CONFIG_AMAZON
++	adr ^= 2;
++#endif
+ 
+ 	mutex_lock(&chip->mutex);
+ 	ret = get_chip(map, chip, adr, FL_ERASING);
+@@ -1806,6 +1816,10 @@ static int do_atmel_lock(struct map_info
+ 	struct cfi_private *cfi = map->fldrv_priv;
+ 	int ret;
+ 
++#ifdef CONFIG_AMAZON
++	adr ^= 2;
++#endif
++
+ 	mutex_lock(&chip->mutex);
+ 	ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
+ 	if (ret)
+@@ -1842,6 +1856,10 @@ static int do_atmel_unlock(struct map_in
+ 	struct cfi_private *cfi = map->fldrv_priv;
+ 	int ret;
+ 
++#ifdef CONFIG_AMAZON
++	adr ^= 2;
++#endif
++
+ 	mutex_lock(&chip->mutex);
+ 	ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
+ 	if (ret)