cns3xxx: add experimental 3.18 support

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43406
owl
Felix Fietkau 2014-11-27 16:24:32 +00:00
parent a03b522bd6
commit ca2d0c15cc
25 changed files with 1431 additions and 0 deletions

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@ -0,0 +1,290 @@
CONFIG_ALIGNMENT_TRAP=y
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_ARCH_CNS3XXX=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAS_SG_CHAIN=y
CONFIG_ARCH_HAS_TICK_BROADCAST=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MULTIPLATFORM=y
# CONFIG_ARCH_MULTI_CPU_AUTO is not set
CONFIG_ARCH_MULTI_V6=y
CONFIG_ARCH_MULTI_V6_V7=y
# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
CONFIG_ARCH_NR_GPIO=0
# CONFIG_ARCH_OMAP2 is not set
CONFIG_ARCH_REQUIRE_GPIOLIB=y
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
# CONFIG_ARCH_WM8750 is not set
CONFIG_ARM=y
# CONFIG_ARM_CPU_SUSPEND is not set
CONFIG_ARM_GIC=y
CONFIG_ARM_HAS_SG_CHAIN=y
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_PATCH_PHYS_VIRT=y
CONFIG_ARM_THUMB=y
CONFIG_ATA=y
CONFIG_ATAGS=y
# CONFIG_ATA_SFF is not set
CONFIG_ATA_VERBOSE_ERROR=y
# CONFIG_AUDIT_ARCH_COMPAT_GENERIC is not set
CONFIG_AUTO_ZRELADDR=y
CONFIG_BLK_DEV_SD=y
CONFIG_BROADCOM_PHY=y
CONFIG_CACHE_L2X0=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLKSRC_OF=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CNS3XXX_ETH=y
CONFIG_COMMON_CLK=y
# CONFIG_COMMON_CLK_PXA is not set
CONFIG_CPU_32v6=y
CONFIG_CPU_32v6K=y
CONFIG_CPU_ABRT_EV6=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_CPU_CACHE_V6=y
CONFIG_CPU_CACHE_VIPT=y
CONFIG_CPU_COPY_V6=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
CONFIG_CPU_HAS_ASID=y
# CONFIG_CPU_ICACHE_DISABLE is not set
CONFIG_CPU_PABRT_V6=y
CONFIG_CPU_RMAP=y
CONFIG_CPU_TLB_V6=y
CONFIG_CPU_V6K=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
# CONFIG_DEBUG_UART_8250 is not set
# CONFIG_DEBUG_UART_BCM63XX is not set
# CONFIG_DEBUG_UART_PL01X is not set
# CONFIG_DEBUG_USER is not set
CONFIG_DMA_CACHE_FIQ_BROADCAST=y
CONFIG_DTC=y
CONFIG_EEPROM_AT24=y
CONFIG_FIQ=y
CONFIG_FRAME_POINTER=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_GENERIC_IO=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_NET_UTILS=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_SCHED_CLOCK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GLOB=y
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_IRQCHIP=y
CONFIG_GPIO_DEVRES=y
CONFIG_GPIO_PCA953X=y
CONFIG_GPIO_PCA953X_IRQ=y
CONFIG_GPIO_SYSFS=y
CONFIG_HANDLE_DOMAIN_IRQ=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_HAVE_ARCH_PFN_VALID=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_ARM_SCU=y
# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
CONFIG_HAVE_BPF_JIT=y
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_HAVE_DEBUG_KMEMLEAK=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_HAVE_IDE=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZ4=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_HAVE_NET_DSA=y
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_SMP=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_UID16=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HWMON=y
CONFIG_HW_RANDOM=m
CONFIG_HZ_FIXED=0
CONFIG_HZ_PERIODIC=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_CNS3XXX=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_INTEL_SOC_PMIC is not set
CONFIG_IOMMU_HELPER=y
CONFIG_IRQCHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_WORK=y
CONFIG_KERNFS=y
CONFIG_LEDS_GPIO=y
# CONFIG_LEDS_TRIGGER_NETDEV is not set
CONFIG_LIBFDT=y
# CONFIG_MACH_CNS3420VB is not set
CONFIG_MACH_GW2388=y
CONFIG_MDIO_BOARDINFO=y
# CONFIG_MFD_AXP20X is not set
CONFIG_MIGHT_HAVE_CACHE_L2X0=y
CONFIG_MIGHT_HAVE_PCI=y
CONFIG_MMC=y
CONFIG_MMC_BLOCK=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_CNS3XXX=y
# CONFIG_MMC_SDHCI_PCI is not set
CONFIG_MMC_SDHCI_PLTFM=y
# CONFIG_MMC_TIFM_SD is not set
CONFIG_MODULES_USE_ELF_REL=y
# CONFIG_MTD_OF_PARTS is not set
CONFIG_MTD_PHYSMAP=y
# CONFIG_MTD_PHYSMAP_OF is not set
CONFIG_MULTI_IRQ_HANDLER=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NET_VENDOR_CAVIUM=y
CONFIG_NLS=y
CONFIG_NO_BOOTMEM=y
CONFIG_NR_CPUS=2
CONFIG_NTP_PPS=y
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_ADDRESS_PCI=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_GPIO=y
CONFIG_OF_IRQ=y
CONFIG_OF_MDIO=y
CONFIG_OF_MTD=y
CONFIG_OF_NET=y
CONFIG_OF_PCI=y
CONFIG_OF_PCI_IRQ=y
CONFIG_OF_RESERVED_MEM=y
CONFIG_OLD_SIGACTION=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_OUTER_CACHE=y
CONFIG_OUTER_CACHE_SYNC=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_PCI=y
CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
CONFIG_PCI_DOMAINS=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PHYLIB=y
# CONFIG_PHY_SAMSUNG_USB2 is not set
CONFIG_PL310_ERRATA_588369=y
CONFIG_PL310_ERRATA_727915=y
CONFIG_PL310_ERRATA_753970=y
CONFIG_PL310_ERRATA_769419=y
CONFIG_PPS=y
CONFIG_PPS_CLIENT_GPIO=y
# CONFIG_PREEMPT_RCU is not set
# CONFIG_PROC_STRIPPED is not set
CONFIG_RAID_ATTRS=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RFS_ACCEL=y
CONFIG_RPS=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_DS1672=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_SATA_AHCI=y
CONFIG_SATA_AHCI_PLATFORM=y
CONFIG_SCHED_HRTICK=y
CONFIG_SCSI=y
CONFIG_SENSORS_AD7418=y
CONFIG_SENSORS_GSC=y
CONFIG_SERIAL_8250_NR_UARTS=3
CONFIG_SERIAL_8250_RUNTIME_UARTS=3
CONFIG_SERIAL_EARLYCON=y
CONFIG_SMP=y
CONFIG_SMP_ON_UP=y
CONFIG_SPARSE_IRQ=y
CONFIG_SPI=y
CONFIG_SPI_BITBANG=y
CONFIG_SPI_CNS3XXX=y
CONFIG_SPI_MASTER=y
# CONFIG_STAGING is not set
CONFIG_STOP_MACHINE=y
CONFIG_SWIOTLB=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TREE_RCU=y
CONFIG_UID16=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_CNS3XXX_EHCI=y
CONFIG_USB_CNS3XXX_OHCI=y
CONFIG_USB_COMMON=y
CONFIG_USB_DWC2=y
# CONFIG_USB_DWC2_DEBUG is not set
CONFIG_USB_DWC2_HOST=y
# CONFIG_USB_DWC2_PCI is not set
# CONFIG_USB_DWC2_PERIPHERAL is not set
CONFIG_USB_DWC2_PLATFORM=y
# CONFIG_USB_DWC2_TRACK_MISSED_SOFS is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_EHCI_PCI=y
# CONFIG_USB_ETH is not set
CONFIG_USB_GADGET=y
# CONFIG_USB_GADGET_XILINX is not set
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_SUPPORT=y
# CONFIG_USB_UHCI_HCD is not set
CONFIG_USE_OF=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_VFP=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_XPS=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_BCJ=y
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZONE_DMA_FLAG=0

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@ -0,0 +1,8 @@
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,3 +1,5 @@
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
+
obj-$(CONFIG_ARCH_CNS3XXX) += cns3xxx.o
cns3xxx-y += core.o pm.o
cns3xxx-$(CONFIG_ATAGS) += devices.o

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@ -0,0 +1,11 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -339,7 +339,7 @@ static struct usb_ohci_pdata cns3xxx_usb
.power_off = csn3xxx_usb_power_off,
};
-static struct of_dev_auxdata cns3xxx_auxdata[] __initconst = {
+static const struct of_dev_auxdata cns3xxx_auxdata[] __initconst = {
{ "intel,usb-ehci", CNS3XXX_USB_BASE, "ehci-platform", &cns3xxx_usb_ehci_pdata },
{ "intel,usb-ohci", CNS3XXX_USB_OHCI_BASE, "ohci-platform", &cns3xxx_usb_ohci_pdata },
{ "cavium,cns3420-ahci", CNS3XXX_SATA2_BASE, "ahci", NULL },

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@ -0,0 +1,64 @@
--- a/arch/arm/include/asm/glue-cache.h
+++ b/arch/arm/include/asm/glue-cache.h
@@ -156,11 +156,19 @@ static inline void nop_dma_unmap_area(co
#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
+#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
#define dmac_map_area __glue(_CACHE,_dma_map_area)
#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
+#else
+#define __cpuc_flush_dcache_area __glue(fiq,_flush_kern_dcache_area)
+
+#define dmac_map_area __glue(fiq,_dma_map_area)
+#define dmac_unmap_area __glue(fiq,_dma_unmap_area)
+#define dmac_flush_range __glue(fiq,_dma_flush_range)
+#endif /* CONFIG_DMA_CACHE_FIQ_BROADCAST */
#endif
#endif
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -844,6 +844,17 @@ config DMA_CACHE_RWFO
in hardware, other workarounds are needed (e.g. cache
maintenance broadcasting in software via FIQ).
+config DMA_CACHE_FIQ_BROADCAST
+ bool "Enable fiq broadcast DMA cache maintenance"
+ depends on CPU_V6K && SMP
+ select FIQ
+ help
+ The Snoop Control Unit on ARM11MPCore does not detect the
+ cache maintenance operations and the dma_{map,unmap}_area()
+ functions may leave stale cache entries on other CPUs. By
+ enabling this option, fiq broadcast in the ARMv6
+ DMA cache maintenance functions is performed.
+
config OUTER_CACHE
bool
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -304,6 +304,7 @@ void __sync_icache_dcache(pte_t pteval)
void flush_dcache_page(struct page *page)
{
struct address_space *mapping;
+ bool skip_broadcast = true;
/*
* The zero page is never written to, so never has any dirty
@@ -314,7 +315,10 @@ void flush_dcache_page(struct page *page
mapping = page_mapping(page);
- if (!cache_ops_need_broadcast() &&
+#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
+ skip_broadcast = !cache_ops_need_broadcast();
+#endif
+ if (skip_broadcast &&
mapping && !page_mapped(page))
clear_bit(PG_dcache_clean, &page->flags);
else {

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@ -0,0 +1,59 @@
1. Made the connection between CNS3xxx SOCs(ARCH_CNS3xxx) and MPcore watchdog
since the CNS3xxx SOCs have ARM11 MPcore CPU.
2. Enable mpcore_watchdog option as module to default configuration at
arch/arm/configs/cns3420vb_defconfig.
Signed-off-by: Tommy Lin <tommy.lin@caviumnetworks.com>
---
arch/arm/Kconfig | 1 +
arch/arm/configs/cns3420vb_defconfig | 2 ++
arch/arm/mach-cns3xxx/cns3420vb.c | 22 ++++++++++++++++++++++
3 files changed, 25 insertions(+), 0 deletions(-)
--- a/arch/arm/configs/cns3420vb_defconfig
+++ b/arch/arm/configs/cns3420vb_defconfig
@@ -56,6 +56,8 @@ CONFIG_LEGACY_PTY_COUNT=16
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
+CONFIG_WATCHDOG=y
+CONFIG_MPCORE_WATCHDOG=m
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_MMC=y
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -206,10 +206,32 @@ static struct platform_device cns3xxx_us
},
};
+/* Watchdog */
+static struct resource cns3xxx_watchdog_resources[] = {
+ [0] = {
+ .start = CNS3XXX_TC11MP_TWD_BASE,
+ .end = CNS3XXX_TC11MP_TWD_BASE + PAGE_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_LOCALWDOG,
+ .end = IRQ_LOCALWDOG,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device cns3xxx_watchdog_device = {
+ .name = "mpcore_wdt",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(cns3xxx_watchdog_resources),
+ .resource = cns3xxx_watchdog_resources,
+};
+
/*
* Initialization
*/
static struct platform_device *cns3420_pdevs[] __initdata = {
+ &cns3xxx_watchdog_device,
&cns3420_nor_pdev,
&cns3xxx_usb_ehci_device,
&cns3xxx_usb_ohci_device,

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@ -0,0 +1,30 @@
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -5,3 +5,5 @@ cns3xxx-y += core.o pm.o
cns3xxx-$(CONFIG_ATAGS) += devices.o
cns3xxx-$(CONFIG_PCI) += pcie.o
cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
+cns3xxx-$(CONFIG_SMP) += platsmp.o headsmp.o
+cns3xxx-$(CONFIG_HOTPLUG_CPU) += hotplug.o
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -2,6 +2,9 @@ menuconfig ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family" if ARCH_MULTI_V6
select ARM_GIC
select PCI_DOMAINS if PCI
+ select HAVE_ARM_SCU if SMP
+ select HAVE_ARM_TWD if LOCAL_TIMERS
+ select HAVE_SMP
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -13,6 +13,7 @@
#include <linux/reboot.h>
+extern struct smp_operations cns3xxx_smp_ops;
extern void cns3xxx_timer_init(void);
#ifdef CONFIG_CACHE_L2X0

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@ -0,0 +1,11 @@
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -331,8 +331,6 @@ void __init cns3xxx_pcie_init_late(void)
"imprecise external abort");
for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
- cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_PCIE(i));
- cns3xxx_pwr_soft_rst(0x1 << PM_SOFT_RST_REG_OFFST_PCIE(i));
cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
pci_common_init(&cns3xxx_pcie[i].hw_pci);

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@ -0,0 +1,33 @@
--- a/arch/arm/mach-cns3xxx/laguna.c
+++ b/arch/arm/mach-cns3xxx/laguna.c
@@ -849,7 +849,6 @@ static struct map_desc laguna_io_desc[]
static void __init laguna_map_io(void)
{
cns3xxx_map_io();
- cns3xxx_pcie_iotable_init();
iotable_init(ARRAY_AND_SIZE(laguna_io_desc));
laguna_early_serial_setup();
}
@@ -873,15 +872,6 @@ static int laguna_register_gpio(struct g
return ret;
}
-static int __init laguna_pcie_init(void)
-{
- if (!machine_is_gw2388())
- return 0;
-
- return cns3xxx_pcie_init();
-}
-subsys_initcall(laguna_pcie_init);
-
static int __init laguna_model_setup(void)
{
u32 __iomem *mem;
@@ -1075,5 +1065,6 @@ MACHINE_START(GW2388, "Gateworks Corpora
.init_irq = cns3xxx_init_irq,
.init_time = cns3xxx_timer_init,
.init_machine = laguna_init,
+ .init_late = cns3xxx_pcie_init_late,
.restart = cns3xxx_restart,
MACHINE_END

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@ -0,0 +1,40 @@
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -5,6 +5,7 @@ menuconfig ARCH_CNS3XXX
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if LOCAL_TIMERS
select HAVE_SMP
+ select FIQ
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -5,5 +5,5 @@ cns3xxx-y += core.o pm.o
cns3xxx-$(CONFIG_ATAGS) += devices.o
cns3xxx-$(CONFIG_PCI) += pcie.o
cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
-cns3xxx-$(CONFIG_SMP) += platsmp.o headsmp.o
+cns3xxx-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
cns3xxx-$(CONFIG_HOTPLUG_CPU) += hotplug.o
--- a/arch/arm/mach-cns3xxx/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/cns3xxx.h
@@ -267,6 +267,7 @@
#define MISC_PCIE_INT_MASK(x) MISC_MEM_MAP(0x978 + (x) * 0x100)
#define MISC_PCIE_INT_STATUS(x) MISC_MEM_MAP(0x97C + (x) * 0x100)
+#define MISC_FIQ_CPU(x) MISC_MEM_MAP(0xA58 - (x) * 0x4)
/*
* Power management and clock control
*/
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -827,7 +827,7 @@ config KUSER_HELPERS
config DMA_CACHE_RWFO
bool "Enable read/write for ownership DMA cache maintenance"
- depends on CPU_V6K && SMP
+ depends on CPU_V6K && SMP && !ARCH_CNS3XXX
default y
help
The Snoop Control Unit on ARM11MPCore does not detect the

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@ -0,0 +1,45 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -17,6 +17,7 @@
#include <linux/platform_device.h>
#include <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.h>
+#include <asm/smp_twd.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
@@ -26,6 +27,8 @@
#include "core.h"
#include "pm.h"
+#define IRQ_LOCALTIMER 29
+
static struct map_desc cns3xxx_io_desc[] __initdata = {
{
.virtual = CNS3XXX_TC11MP_SCU_BASE_VIRT,
@@ -191,6 +194,17 @@ static struct irqaction cns3xxx_timer_ir
.handler = cns3xxx_timer_interrupt,
};
+static void __init cns3xxx_init_twd(void)
+{
+#ifdef CONFIG_LOCAL_TIMERS
+ static DEFINE_TWD_LOCAL_TIMER(cns3xx_twd_local_timer,
+ CNS3XXX_TC11MP_TWD_BASE,
+ IRQ_LOCALTIMER);
+
+ twd_local_timer_register(&cns3xx_twd_local_timer);
+#endif
+}
+
/*
* Set up the clock source and clock events devices
*/
@@ -244,6 +258,7 @@ static void __init __cns3xxx_timer_init(
setup_irq(timer_irq, &cns3xxx_timer_irq);
cns3xxx_clockevents_init(timer_irq);
+ cns3xxx_init_twd();
}
void __init cns3xxx_timer_init(void)

View File

@ -0,0 +1,19 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -81,6 +81,16 @@ static struct map_desc cns3xxx_io_desc[]
.pfn = __phys_to_pfn(CNS3XXX_PCIE1_CFG1_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_PCIE0_IO_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_PCIE0_IO_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_PCIE1_IO_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_PCIE1_IO_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE,
#endif
},
};

View File

@ -0,0 +1,129 @@
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -88,6 +88,79 @@ static void __iomem *cns3xxx_pci_cfg_bas
return base + (where & 0xffc) + (devfn << 12);
}
+static inline int check_master_abort(struct pci_bus *bus, unsigned int devfn, int where)
+{
+ struct cns3xxx_pcie *cnspci = pbus_to_cnspci(bus);
+
+ /* check PCI-compatible status register after access */
+ if (cnspci->linked) {
+ void __iomem *host_base;
+ u32 sreg, ereg;
+
+ host_base = (void __iomem *) cnspci->cfg_bases[CNS3XXX_HOST_TYPE].virtual;
+ sreg = __raw_readw(host_base + 0x6) & 0xF900;
+ ereg = __raw_readl(host_base + 0x104); // Uncorrectable Error Status Reg
+
+ if (sreg | ereg) {
+ /* SREG:
+ * BIT15 - Detected Parity Error
+ * BIT14 - Signaled System Error
+ * BIT13 - Received Master Abort
+ * BIT12 - Received Target Abort
+ * BIT11 - Signaled Target Abort
+ * BIT08 - Master Data Parity Error
+ *
+ * EREG:
+ * BIT20 - Unsupported Request
+ * BIT19 - ECRC
+ * BIT18 - Malformed TLP
+ * BIT17 - Receiver Overflow
+ * BIT16 - Unexpected Completion
+ * BIT15 - Completer Abort
+ * BIT14 - Completion Timeout
+ * BIT13 - Flow Control Protocol Error
+ * BIT12 - Poisoned TLP
+ * BIT04 - Data Link Protocol Error
+ *
+ * TODO: see Documentation/pci-error-recovery.txt
+ * implement error_detected handler
+ */
+/*
+ printk("pci error: %04d:%02x:%02x.%02x sreg=0x%04x ereg=0x%08x", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), sreg, ereg);
+ if (sreg & BIT(15)) printk(" <PERR");
+ if (sreg & BIT(14)) printk(" >SERR");
+ if (sreg & BIT(13)) printk(" <MABRT");
+ if (sreg & BIT(12)) printk(" <TABRT");
+ if (sreg & BIT(11)) printk(" >TABRT");
+ if (sreg & BIT( 8)) printk(" MPERR");
+
+ if (ereg & BIT(20)) printk(" Unsup");
+ if (ereg & BIT(19)) printk(" ECRC");
+ if (ereg & BIT(18)) printk(" MTLP");
+ if (ereg & BIT(17)) printk(" OFLOW");
+ if (ereg & BIT(16)) printk(" Unex");
+ if (ereg & BIT(15)) printk(" ABRT");
+ if (ereg & BIT(14)) printk(" COMPTO");
+ if (ereg & BIT(13)) printk(" FLOW");
+ if (ereg & BIT(12)) printk(" PTLP");
+ if (ereg & BIT( 4)) printk(" DLINK");
+ printk("\n");
+*/
+ pr_debug("%s failed port%d sreg=0x%04x\n", __func__,
+ cnspci->hw_pci.domain, sreg);
+
+ /* make sure the status bits are reset */
+ __raw_writew(sreg, host_base + 6);
+ __raw_writel(ereg, host_base + 0x104);
+ return 1;
+ }
+ }
+ else
+ return 1;
+
+ return 0;
+}
+
static int cns3xxx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 *val)
{
@@ -104,6 +177,11 @@ static int cns3xxx_pci_read_config(struc
v = __raw_readl(base);
+ if (check_master_abort(bus, devfn, where)) {
+ printk(KERN_ERR "pci error: %04d:%02x:%02x.%02x %02x(%d)= master_abort on read\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size);
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
if (bus->number == 0 && devfn == 0 &&
(where & 0xffc) == PCI_CLASS_REVISION) {
/*
@@ -133,11 +211,19 @@ static int cns3xxx_pci_write_config(stru
return PCIBIOS_SUCCESSFUL;
v = __raw_readl(base);
+ if (check_master_abort(bus, devfn, where)) {
+ printk(KERN_ERR "pci error: %04d:%02x:%02x.%02x %02x(%d)=0x%08x master_abort on read\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, val);
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
v &= ~(mask << shift);
v |= (val & mask) << shift;
__raw_writel(v, base);
+ if (check_master_abort(bus, devfn, where)) {
+ printk(KERN_ERR "pci error: %04d:%02x:%02x.%02x %02x(%d)=0x%08x master_abort on write\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, val);
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
return PCIBIOS_SUCCESSFUL;
}
@@ -315,8 +401,14 @@ static void __init cns3xxx_pcie_hw_init(
static int cns3xxx_pcie_abort_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
+#if 0
+/* R14_ABORT = PC+4 for XSCALE but not ARM11MPCORE
+ * ignore imprecise aborts and use PCI-compatible Status register to
+ * determine errors instead
+ */
if (fsr & (1 << 10))
regs->ARM_pc += 4;
+#endif
return 0;
}

View File

@ -0,0 +1,11 @@
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -424,6 +424,8 @@ void __init cns3xxx_pcie_init_late(void)
for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
+ if (!cns3xxx_pcie[i].linked)
+ continue;
cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
pci_common_init(&cns3xxx_pcie[i].hw_pci);
}

View File

@ -0,0 +1,31 @@
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -416,6 +416,18 @@ config I2C_CBUS_GPIO
This driver can also be built as a module. If so, the module
will be called i2c-cbus-gpio.
+config I2C_CNS3XXX
+ tristate "Cavium CNS3xxx I2C driver"
+ depends on ARCH_CNS3XXX
+ help
+ Support for Cavium CNS3xxx I2C controller driver.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-cns3xxx.
+
+ Please note that this driver might be needed to bring up other
+ devices such as Cavium CNS3xxx Ethernet.
+
config I2C_CPM
tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
depends on CPM1 || CPM2
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -101,6 +101,7 @@ obj-$(CONFIG_I2C_CROS_EC_TUNNEL) += i2c-
obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o
obj-$(CONFIG_I2C_PCA_ISA) += i2c-pca-isa.o
obj-$(CONFIG_I2C_SIBYTE) += i2c-sibyte.o
+obj-$(CONFIG_I2C_CNS3XXX) += i2c-cns3xxx.o
obj-$(CONFIG_SCx200_ACB) += scx200_acb.o
ccflags-$(CONFIG_I2C_DEBUG_BUS) := -DDEBUG

View File

@ -0,0 +1,55 @@
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -171,6 +171,13 @@ config SPI_CLPS711X
This enables dedicated general purpose SPI/Microwire1-compatible
master mode interface (SSI1) for CLPS711X-based CPUs.
+config SPI_CNS3XXX
+ tristate "CNS3XXX SPI controller"
+ depends on ARCH_CNS3XXX && SPI_MASTER
+ select SPI_BITBANG
+ help
+ This enables using the CNS3XXX SPI controller in master mode.
+
config SPI_COLDFIRE_QSPI
tristate "Freescale Coldfire QSPI controller"
depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_SPI_BITBANG) += spi-bitban
obj-$(CONFIG_SPI_BUTTERFLY) += spi-butterfly.o
obj-$(CONFIG_SPI_CADENCE) += spi-cadence.o
obj-$(CONFIG_SPI_CLPS711X) += spi-clps711x.o
+obj-$(CONFIG_SPI_CNS3XXX) += spi-cns3xxx.o
obj-$(CONFIG_SPI_COLDFIRE_QSPI) += spi-coldfire-qspi.o
obj-$(CONFIG_SPI_DAVINCI) += spi-davinci.o
obj-$(CONFIG_SPI_DESIGNWARE) += spi-dw.o
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -332,6 +332,10 @@ static int spi_bitbang_transfer_one(stru
*/
if (!m->is_dma_mapped)
t->rx_dma = t->tx_dma = 0;
+
+ t->last_in_message_list =
+ list_is_last(&t->transfer_list, &m->transfers);
+
status = bitbang->txrx_bufs(spi, t);
}
if (status > 0)
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -628,6 +628,13 @@ struct spi_transfer {
u32 speed_hz;
struct list_head transfer_list;
+
+#ifdef CONFIG_ARCH_CNS3XXX
+ unsigned last_in_message_list;
+#ifdef CONFIG_SPI_CNS3XXX_2IOREAD
+ u8 dio_read;
+#endif
+#endif
};
/**

View File

@ -0,0 +1,26 @@
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -29,12 +29,23 @@ static const struct ata_port_info ahci_p
.port_ops = &ahci_platform_ops,
};
+static const struct ata_port_info cns3xxx_port_info = {
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_pmp_retry_srst_ops,
+};
+
static int ahci_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_host_priv *hpriv;
+ const struct ata_port_info *info = &ahci_port_info;
int rc;
+ if (IS_ENABLED(CONFIG_ARCH_CNS3XXX))
+ info = &cns3xxx_port_info;
+
hpriv = ahci_platform_get_resources(pdev);
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);

View File

@ -0,0 +1,20 @@
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -34,6 +34,7 @@ source "drivers/net/ethernet/adi/Kconfig
source "drivers/net/ethernet/broadcom/Kconfig"
source "drivers/net/ethernet/brocade/Kconfig"
source "drivers/net/ethernet/calxeda/Kconfig"
+source "drivers/net/ethernet/cavium/Kconfig"
source "drivers/net/ethernet/chelsio/Kconfig"
source "drivers/net/ethernet/cirrus/Kconfig"
source "drivers/net/ethernet/cisco/Kconfig"
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_NET_BFIN) += adi/
obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/
obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/
obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxeda/
+obj-$(CONFIG_NET_VENDOR_CAVIUM) += cavium/
obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/

View File

@ -0,0 +1,104 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -135,12 +135,13 @@ static void cns3xxx_timer_set_mode(enum
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
- reload = pclk * 20 / (3 * HZ) * 0x25000;
+ reload = pclk * 1000000 / HZ;
writel(reload, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
ctrl |= (1 << 0) | (1 << 2) | (1 << 9);
break;
case CLOCK_EVT_MODE_ONESHOT:
/* period set, and timer enabled in 'next_event' hook */
+ writel(0, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
ctrl |= (1 << 2) | (1 << 9);
break;
case CLOCK_EVT_MODE_UNUSED:
@@ -168,7 +169,7 @@ static struct clock_event_device cns3xxx
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = cns3xxx_timer_set_mode,
.set_next_event = cns3xxx_timer_set_next_event,
- .rating = 350,
+ .rating = 300,
.cpumask = cpu_all_mask,
};
@@ -215,6 +216,35 @@ static void __init cns3xxx_init_twd(void
#endif
}
+static cycle_t cns3xxx_get_cycles(struct clocksource *cs)
+{
+ u64 val;
+
+ val = readl(cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
+ val &= 0xffff;
+
+ return ((val << 32) | readl(cns3xxx_tmr1 + TIMER_FREERUN_OFFSET));
+}
+
+static struct clocksource clocksource_cns3xxx = {
+ .name = "freerun",
+ .rating = 200,
+ .read = cns3xxx_get_cycles,
+ .mask = CLOCKSOURCE_MASK(48),
+ .shift = 16,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static void __init cns3xxx_clocksource_init(void)
+{
+ /* Reset the FreeRunning counter */
+ writel((1 << 16), cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
+
+ clocksource_cns3xxx.mult =
+ clocksource_khz2mult(100, clocksource_cns3xxx.shift);
+ clocksource_register(&clocksource_cns3xxx);
+}
+
/*
* Set up the clock source and clock events devices
*/
@@ -232,13 +262,12 @@ static void __init __cns3xxx_timer_init(
/* stop free running timer3 */
writel(0, cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
- /* timer1 */
- writel(0x5C800, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
- writel(0x5C800, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
-
writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V1_OFFSET);
writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V2_OFFSET);
+ val = (cns3xxx_cpu_clock() >> 3) * 1000000 / HZ;
+ writel(val, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
+
/* mask irq, non-mask timer1 overflow */
irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
irq_mask &= ~(1 << 2);
@@ -250,23 +279,9 @@ static void __init __cns3xxx_timer_init(
val |= (1 << 9);
writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
- /* timer2 */
- writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V1_OFFSET);
- writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V2_OFFSET);
-
- /* mask irq */
- irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
- irq_mask |= ((1 << 3) | (1 << 4) | (1 << 5));
- writel(irq_mask, cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
-
- /* down counter */
- val = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
- val |= (1 << 10);
- writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
-
- /* Make irqs happen for the system timer */
setup_irq(timer_irq, &cns3xxx_timer_irq);
+ cns3xxx_clocksource_init();
cns3xxx_clockevents_init(timer_irq);
cns3xxx_init_twd();
}

View File

@ -0,0 +1,67 @@
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -245,6 +245,10 @@ static void __init cns3420_init(void)
cns3xxx_ahci_init();
cns3xxx_sdhci_init();
+ cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA,
+ NR_IRQS_CNS3XXX);
+ cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, IRQ_CNS3XXX_GPIOB,
+ NR_IRQS_CNS3XXX + 32);
pm_power_off = cns3xxx_power_off;
}
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -1,6 +1,8 @@
menuconfig ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family" if ARCH_MULTI_V6
select ARM_GIC
+ select ARCH_REQUIRE_GPIOLIB
+ select GENERIC_IRQ_CHIP
select PCI_DOMAINS if PCI
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if LOCAL_TIMERS
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,7 +1,7 @@
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
obj-$(CONFIG_ARCH_CNS3XXX) += cns3xxx.o
-cns3xxx-y += core.o pm.o
+cns3xxx-y += core.o pm.o gpio.o
cns3xxx-$(CONFIG_ATAGS) += devices.o
cns3xxx-$(CONFIG_PCI) += pcie.o
cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
--- a/arch/arm/mach-cns3xxx/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/cns3xxx.h
@@ -68,8 +68,10 @@
#define SMC_PCELL_ID_3_OFFSET 0xFFC
#define CNS3XXX_GPIOA_BASE 0x74000000 /* GPIO port A */
+#define CNS3XXX_GPIOA_BASE_VIRT 0xFB006000
#define CNS3XXX_GPIOB_BASE 0x74800000 /* GPIO port B */
+#define CNS3XXX_GPIOB_BASE_VIRT 0xFB007000
#define CNS3XXX_RTC_BASE 0x75000000 /* Real Time Clock */
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -50,6 +50,16 @@ static struct map_desc cns3xxx_io_desc[]
.pfn = __phys_to_pfn(CNS3XXX_PM_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_GPIOA_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_GPIOA_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_GPIOB_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_GPIOB_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
#ifdef CONFIG_PCI
}, {
.virtual = CNS3XXX_PCIE0_HOST_BASE_VIRT,

View File

@ -0,0 +1,69 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -305,13 +305,26 @@ void __init cns3xxx_timer_init(void)
#ifdef CONFIG_CACHE_L2X0
-void __init cns3xxx_l2x0_init(void)
+static int cns3xxx_l2x0_enable = 1;
+
+static int __init cns3xxx_l2x0_disable(char *s)
+{
+ cns3xxx_l2x0_enable = 0;
+ return 1;
+}
+__setup("nol2x0", cns3xxx_l2x0_disable);
+
+static int __init cns3xxx_l2x0_init(void)
{
- void __iomem *base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
+ void __iomem *base;
u32 val;
+ if (!cns3xxx_l2x0_enable)
+ return 0;
+
+ base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
if (WARN_ON(!base))
- return;
+ return 0;
/*
* Tag RAM Control register
@@ -341,7 +354,10 @@ void __init cns3xxx_l2x0_init(void)
/* 32 KiB, 8-way, parity disable */
l2x0_init(base, 0x00500000, 0xfe0f0fff);
+
+ return 0;
}
+arch_initcall(cns3xxx_l2x0_init);
#endif /* CONFIG_CACHE_L2X0 */
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -239,8 +239,6 @@ static struct platform_device *cns3420_p
static void __init cns3420_init(void)
{
- cns3xxx_l2x0_init();
-
platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
cns3xxx_ahci_init();
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -16,12 +16,6 @@
extern struct smp_operations cns3xxx_smp_ops;
extern void cns3xxx_timer_init(void);
-#ifdef CONFIG_CACHE_L2X0
-void __init cns3xxx_l2x0_init(void);
-#else
-static inline void cns3xxx_l2x0_init(void) {}
-#endif /* CONFIG_CACHE_L2X0 */
-
#ifdef CONFIG_PCI
extern void __init cns3xxx_pcie_init_late(void);
#else

View File

@ -0,0 +1,46 @@
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -22,4 +22,12 @@ config MACH_CNS3420VB
This is a platform with an on-board ARM11 MPCore and has support
for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
+config MACH_GW2388
+ bool "Support for Gateworks Laguna Platform"
+ help
+ Include support for the Gateworks Laguna Platform
+
+ This is a platform with an on-board ARM11 MPCore and has support
+ for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, I2C, GIG, etc.
+
endif
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -7,3 +7,5 @@ cns3xxx-$(CONFIG_PCI) += pcie.o
cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
cns3xxx-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
cns3xxx-$(CONFIG_HOTPLUG_CPU) += hotplug.o
+cns3xxx-$(CONFIG_MACH_GW2388) += laguna.o
+
--- a/arch/arm/mach-cns3xxx/devices.c
+++ b/arch/arm/mach-cns3xxx/devices.c
@@ -16,6 +16,7 @@
#include <linux/compiler.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
+#include <asm/mach-types.h>
#include "cns3xxx.h"
#include "pm.h"
#include "core.h"
@@ -101,7 +102,11 @@ void __init cns3xxx_sdhci_init(void)
u32 gpioa_pins = __raw_readl(gpioa);
/* MMC/SD pins share with GPIOA */
- gpioa_pins |= 0x1fff0004;
+ if (machine_is_gw2388()) {
+ gpioa_pins |= 0x1fff0000;
+ } else {
+ gpioa_pins |= 0x1fff0004;
+ }
__raw_writel(gpioa_pins, gpioa);
cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));

View File

@ -0,0 +1,14 @@
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -88,9 +88,9 @@ static const struct sdhci_pltfm_data sdh
.ops = &sdhci_cns3xxx_ops,
.quirks = SDHCI_QUIRK_BROKEN_DMA |
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
- SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
- SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
+ SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
+ SDHCI_QUIRK_BROKEN_CARD_DETECTION,
};
static int sdhci_cns3xxx_probe(struct platform_device *pdev)

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@ -0,0 +1,188 @@
--- a/arch/arm/mach-cns3xxx/laguna.c
+++ b/arch/arm/mach-cns3xxx/laguna.c
@@ -21,6 +21,7 @@
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/io.h>
+#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/dma-mapping.h>
#include <linux/serial_core.h>
@@ -872,6 +873,47 @@ static int laguna_register_gpio(struct g
return ret;
}
+/* allow disabling of external isolated PCIe IRQs */
+static int cns3xxx_pciextirq = 1;
+static int __init cns3xxx_pciextirq_disable(char *s)
+{
+ cns3xxx_pciextirq = 0;
+ return 1;
+}
+__setup("noextirq", cns3xxx_pciextirq_disable);
+
+static int __init laguna_pcie_init_irq(void)
+{
+ u32 __iomem *mem = (void __iomem *)(CNS3XXX_GPIOB_BASE_VIRT + 0x0004);
+ u32 reg = (__raw_readl(mem) >> 26) & 0xf;
+ int irqs[] = {
+ IRQ_CNS3XXX_EXTERNAL_PIN0,
+ IRQ_CNS3XXX_EXTERNAL_PIN1,
+ IRQ_CNS3XXX_EXTERNAL_PIN2,
+ 154,
+ };
+
+ if (!machine_is_gw2388())
+ return 0;
+
+ /* Verify GPIOB[26:29] == 0001b indicating support for ext irqs */
+ if (cns3xxx_pciextirq && reg != 1)
+ cns3xxx_pciextirq = 0;
+
+ if (cns3xxx_pciextirq) {
+ printk("laguna: using isolated PCI interrupts:"
+ " irq%d/irq%d/irq%d/irq%d\n",
+ irqs[0], irqs[1], irqs[2], irqs[3]);
+ cns3xxx_pcie_set_irqs(0, irqs);
+ } else {
+ printk("laguna: using shared PCI interrupts: irq%d\n",
+ IRQ_CNS3XXX_PCIE0_DEVICE);
+ }
+
+ return 0;
+}
+subsys_initcall(laguna_pcie_init_irq);
+
static int __init laguna_model_setup(void)
{
u32 __iomem *mem;
@@ -883,8 +925,33 @@ static int __init laguna_model_setup(voi
printk("Running on Gateworks Laguna %s\n", laguna_info.model);
cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA,
NR_IRQS_CNS3XXX);
- cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, IRQ_CNS3XXX_GPIOB,
- NR_IRQS_CNS3XXX + 32);
+
+ /*
+ * If pcie external interrupts are supported and desired
+ * configure IRQ types and configure pin function.
+ * Note that cns3xxx_pciextirq is enabled by default, but can be
+ * unset via the 'noextirq' kernel param or by laguna_pcie_init() if
+ * the baseboard model does not support this hardware feature.
+ */
+ if (cns3xxx_pciextirq) {
+ mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0018);
+ reg = __raw_readl(mem);
+ /* GPIO26 is gpio, EXT_INT[0:2] not gpio func */
+ reg &= ~0x3c000000;
+ reg |= 0x38000000;
+ __raw_writel(reg, mem);
+
+ cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT,
+ IRQ_CNS3XXX_GPIOB, NR_IRQS_CNS3XXX + 32);
+
+ irq_set_irq_type(154, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(93, IRQ_TYPE_LEVEL_HIGH);
+ irq_set_irq_type(94, IRQ_TYPE_LEVEL_HIGH);
+ irq_set_irq_type(95, IRQ_TYPE_LEVEL_HIGH);
+ } else {
+ cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT,
+ IRQ_CNS3XXX_GPIOB, NR_IRQS_CNS3XXX + 32);
+ }
if (strncmp(laguna_info.model, "GW", 2) == 0) {
if (laguna_info.config_bitmap & ETH0_LOAD)
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -18,6 +18,7 @@
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/ptrace.h>
#include <asm/mach/map.h>
#include "cns3xxx.h"
@@ -27,7 +28,7 @@ struct cns3xxx_pcie {
void __iomem *host_regs; /* PCI config registers for host bridge */
void __iomem *cfg0_regs; /* PCI Type 0 config registers */
void __iomem *cfg1_regs; /* PCI Type 1 config registers */
- unsigned int irqs[2];
+ unsigned int irqs[5];
struct resource res_io;
struct resource res_mem;
struct hw_pci hw_pci;
@@ -97,7 +98,7 @@ static inline int check_master_abort(str
void __iomem *host_base;
u32 sreg, ereg;
- host_base = (void __iomem *) cnspci->cfg_bases[CNS3XXX_HOST_TYPE].virtual;
+ host_base = (void __iomem *) cnspci->host_regs;
sreg = __raw_readw(host_base + 0x6) & 0xF900;
ereg = __raw_readl(host_base + 0x104); // Uncorrectable Error Status Reg
@@ -251,7 +252,7 @@ static struct pci_ops cns3xxx_pcie_ops =
static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev);
- int irq = cnspci->irqs[!!dev->bus->number];
+ int irq = cnspci->irqs[!!dev->bus->number + pin - 1];
pr_info("PCIe map irq: %04d:%02x:%02x.%02x slot %d, pin %d, irq: %d\n",
pci_domain_nr(dev->bus), dev->bus->number, PCI_SLOT(dev->devfn),
@@ -277,7 +278,12 @@ static struct cns3xxx_pcie cns3xxx_pcie[
.end = CNS3XXX_PCIE0_HOST_BASE - 1, /* 176 MiB */
.flags = IORESOURCE_MEM,
},
- .irqs = { IRQ_CNS3XXX_PCIE0_RC, IRQ_CNS3XXX_PCIE0_DEVICE, },
+ .irqs = { IRQ_CNS3XXX_PCIE0_RC,
+ IRQ_CNS3XXX_PCIE0_DEVICE,
+ IRQ_CNS3XXX_PCIE0_DEVICE,
+ IRQ_CNS3XXX_PCIE0_DEVICE,
+ IRQ_CNS3XXX_PCIE0_DEVICE,
+ },
.hw_pci = {
.domain = 0,
.nr_controllers = 1,
@@ -302,7 +308,13 @@ static struct cns3xxx_pcie cns3xxx_pcie[
.end = CNS3XXX_PCIE1_HOST_BASE - 1, /* 176 MiB */
.flags = IORESOURCE_MEM,
},
- .irqs = { IRQ_CNS3XXX_PCIE1_RC, IRQ_CNS3XXX_PCIE1_DEVICE, },
+ .irqs = {
+ IRQ_CNS3XXX_PCIE1_RC,
+ IRQ_CNS3XXX_PCIE1_DEVICE,
+ IRQ_CNS3XXX_PCIE1_DEVICE,
+ IRQ_CNS3XXX_PCIE1_DEVICE,
+ IRQ_CNS3XXX_PCIE1_DEVICE,
+ },
.hw_pci = {
.domain = 1,
.nr_controllers = 1,
@@ -412,6 +424,14 @@ static int cns3xxx_pcie_abort_handler(un
return 0;
}
+void __init cns3xxx_pcie_set_irqs(int bus, int *irqs)
+{
+ int i;
+
+ for (i = 0; i < 4; i++)
+ cns3xxx_pcie[bus].irqs[i + 1] = irqs[i];
+}
+
void __init cns3xxx_pcie_init_late(void)
{
int i;
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -18,8 +18,10 @@ extern void cns3xxx_timer_init(void);
#ifdef CONFIG_PCI
extern void __init cns3xxx_pcie_init_late(void);
+extern void __init cns3xxx_pcie_set_irqs(int bus, int *irqs);
#else
static inline void __init cns3xxx_pcie_init_late(void) {}
+static inline void cns3xxx_pcie_set_irqs(int bus, int *irqs) {}
#endif
void __init cns3xxx_map_io(void);

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@ -0,0 +1,14 @@
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -393,6 +393,11 @@ static int bcm5481_config_aneg(struct ph
/* Write bits 14:0. */
reg |= (1 << 15);
phy_write(phydev, 0x18, reg);
+ } else {
+ phy_write(phydev, 0x18, 0xf1e7);
+ phy_write(phydev, 0x1c, 0x8e00);
+
+ phy_write(phydev, 0x1c, 0xa41f);
}
return ret;

View File

@ -0,0 +1,47 @@
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -105,6 +105,34 @@ static const struct dwc2_core_params par
.uframe_sched = -1,
};
+static const struct dwc2_core_params params_cns3xxx = {
+ .otg_cap = 2, /* non-HNP/non-SRP capable */
+ .otg_ver = 0, /* 1.3 */
+ .dma_enable = 1,
+ .dma_desc_enable = 0,
+ .speed = 0, /* High Speed */
+ .enable_dynamic_fifo = 1,
+ .en_multiple_tx_fifo = 1,
+ .host_rx_fifo_size = 658, /* 774 DWORDs */
+ .host_nperio_tx_fifo_size = 128, /* 256 DWORDs */
+ .host_perio_tx_fifo_size = 658, /* 512 DWORDs */
+ .max_transfer_size = 65535,
+ .max_packet_count = 511,
+ .host_channels = 16,
+ .phy_type = 1, /* UTMI */
+ .phy_utmi_width = 16, /* 8 bits */
+ .phy_ulpi_ddr = 0, /* Single */
+ .phy_ulpi_ext_vbus = 0,
+ .i2c_enable = 0,
+ .ulpi_fs_ls = 0,
+ .host_support_fs_ls_low_power = 0,
+ .host_ls_low_power_phy_clk = 0, /* 48 MHz */
+ .ts_dline = 0,
+ .reload_ctl = 0,
+ .ahbcfg = 0x10,
+ .uframe_sched = 0,
+};
+
/**
* dwc2_driver_remove() - Called when the DWC_otg core is unregistered with the
* DWC_otg driver
@@ -165,6 +193,9 @@ static int dwc2_driver_probe(struct plat
/* Default all params to autodetect */
dwc2_set_all_params(&defparams, -1);
params = &defparams;
+#ifdef CONFIG_ARCH_CNS3XXX
+ params = &params_cns3xxx;
+#endif
/*
* Disable descriptor dma mode by default as the HW can support