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-rw-r--r--target/linux/amazon/patches-3.3/000-mips-bad-intctl.patch33
-rw-r--r--target/linux/amazon/patches-3.3/010-mips_clocksource_init_war.patch33
-rw-r--r--target/linux/amazon/patches-3.3/017-wdt-driver.patch10
-rw-r--r--target/linux/amazon/patches-3.3/100-board.patch53
-rw-r--r--target/linux/amazon/patches-3.3/130-mtd_drivers.patch7
-rw-r--r--target/linux/amazon/patches-3.3/140-net_drivers.patch9
-rw-r--r--target/linux/amazon/patches-3.3/150-serial_driver.patch7
-rw-r--r--target/linux/amazon/patches-3.3/160-cfi-swap.patch56
8 files changed, 208 insertions, 0 deletions
diff --git a/target/linux/amazon/patches-3.3/000-mips-bad-intctl.patch b/target/linux/amazon/patches-3.3/000-mips-bad-intctl.patch
new file mode 100644
index 0000000000..0aa37780a8
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/000-mips-bad-intctl.patch
@@ -0,0 +1,33 @@
+--- a/arch/mips/kernel/traps.c
++++ b/arch/mips/kernel/traps.c
+@@ -1593,7 +1593,16 @@ 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
+@@ -139,9 +139,11 @@ 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-3.3/010-mips_clocksource_init_war.patch b/target/linux/amazon/patches-3.3/010-mips_clocksource_init_war.patch
new file mode 100644
index 0000000000..7078b37437
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/010-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-3.3/017-wdt-driver.patch b/target/linux/amazon/patches-3.3/017-wdt-driver.patch
new file mode 100644
index 0000000000..005ee710ac
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/017-wdt-driver.patch
@@ -0,0 +1,10 @@
+--- a/drivers/watchdog/Makefile
++++ b/drivers/watchdog/Makefile
+@@ -132,6 +132,7 @@ 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-$(CONFIG_LANTIQ_WDT) += lantiq_wdt.o
++obj-$(CONFIG_AMAZON_WDT) += amazon_wdt.o
+
+ # PARISC Architecture
+
diff --git a/target/linux/amazon/patches-3.3/100-board.patch b/target/linux/amazon/patches-3.3/100-board.patch
new file mode 100644
index 0000000000..b743052731
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/100-board.patch
@@ -0,0 +1,53 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -120,6 +120,22 @@ 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
+@@ -813,6 +829,7 @@ config NLM_XLP_BOARD
+
+ endchoice
+
++source "arch/mips/amazon/Kconfig"
+ source "arch/mips/alchemy/Kconfig"
+ source "arch/mips/ath79/Kconfig"
+ source "arch/mips/bcm47xx/Kconfig"
+--- a/arch/mips/Kbuild.platforms
++++ b/arch/mips/Kbuild.platforms
+@@ -6,6 +6,7 @@ platforms += ath79
+ 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-3.3/130-mtd_drivers.patch b/target/linux/amazon/patches-3.3/130-mtd_drivers.patch
new file mode 100644
index 0000000000..6ce28e3fdd
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/130-mtd_drivers.patch
@@ -0,0 +1,7 @@
+--- a/drivers/mtd/maps/Makefile
++++ b/drivers/mtd/maps/Makefile
+@@ -57,3 +57,4 @@ obj-$(CONFIG_MTD_VMU) += vmu-flash.o
+ obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o
+ obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o
+ obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o
++obj-$(CONFIG_AMAZON_MTD) += amazon.o
diff --git a/target/linux/amazon/patches-3.3/140-net_drivers.patch b/target/linux/amazon/patches-3.3/140-net_drivers.patch
new file mode 100644
index 0000000000..9c840e67f9
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/140-net_drivers.patch
@@ -0,0 +1,9 @@
+--- a/drivers/net/ethernet/Makefile
++++ b/drivers/net/ethernet/Makefile
+@@ -74,3 +74,6 @@ obj-$(CONFIG_NET_VENDOR_TUNDRA) += tundr
+ obj-$(CONFIG_NET_VENDOR_VIA) += via/
+ obj-$(CONFIG_NET_VENDOR_XILINX) += xilinx/
+ obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/
++
++obj-$(CONFIG_AMAZON_NET_SW) += amazon_sw.o
++obj-$(CONFIG_ADM6996_SUPPORT) += admmod.o
diff --git a/target/linux/amazon/patches-3.3/150-serial_driver.patch b/target/linux/amazon/patches-3.3/150-serial_driver.patch
new file mode 100644
index 0000000000..c6e7f39bd4
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/150-serial_driver.patch
@@ -0,0 +1,7 @@
+--- a/drivers/tty/serial/Makefile
++++ b/drivers/tty/serial/Makefile
+@@ -78,3 +78,4 @@ obj-$(CONFIG_SERIAL_LANTIQ) += lantiq.o
+ obj-$(CONFIG_SERIAL_XILINX_PS_UART) += xilinx_uartps.o
+ obj-$(CONFIG_SERIAL_SIRFSOC) += sirfsoc_uart.o
+ obj-$(CONFIG_SERIAL_AR933X) += ar933x_uart.o
++obj-$(CONFIG_AMAZON_ASC_UART) += amazon_asc.o
diff --git a/target/linux/amazon/patches-3.3/160-cfi-swap.patch b/target/linux/amazon/patches-3.3/160-cfi-swap.patch
new file mode 100644
index 0000000000..4a0009e432
--- /dev/null
+++ b/target/linux/amazon/patches-3.3/160-cfi-swap.patch
@@ -0,0 +1,56 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1152,6 +1152,9 @@ 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);
+@@ -1420,7 +1423,11 @@ 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);
+@@ -1665,6 +1672,9 @@ 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);
+@@ -1793,6 +1803,10 @@ 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)
+@@ -1828,6 +1842,10 @@ 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)