cns3xxx: add linux 3.8 support and use it by default

SVN-Revision: 35908
This commit is contained in:
Felix Fietkau 2013-03-09 18:51:46 +00:00
parent 85348d602e
commit 95f14d052a
31 changed files with 1543 additions and 25 deletions

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@ -13,7 +13,7 @@ FEATURES:=squashfs fpu gpio pcie usb usbgadget
CFLAGS:=-Os -pipe -march=armv6k -mtune=mpcore -mfloat-abi=softfp -mfpu=vfp -fno-caller-saves CFLAGS:=-Os -pipe -march=armv6k -mtune=mpcore -mfloat-abi=softfp -mfpu=vfp -fno-caller-saves
MAINTAINER:=Imre Kaloz <kaloz@openwrt.org> MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
LINUX_VERSION:=3.3.8 LINUX_VERSION:=3.8.2
include $(INCLUDE_DIR)/target.mk include $(INCLUDE_DIR)/target.mk

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@ -0,0 +1,226 @@
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_HAVE_CUSTOM_GPIO_H=y
# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
CONFIG_ARCH_NR_GPIO=0
CONFIG_ARCH_REQUIRE_GPIOLIB=y
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
CONFIG_ARCH_SUSPEND_POSSIBLE=y
# CONFIG_ARCH_VT8500_SINGLE is not set
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARM=y
# CONFIG_ARM_CPU_SUSPEND is not set
CONFIG_ARM_GIC=y
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_NR_BANKS=8
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_AUTO_ZRELADDR=y
CONFIG_BLK_DEV_SD=y
CONFIG_CACHE_L2X0=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CNS3XXX_ETH=y
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=y
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
CONFIG_DEBUG_LL_UART_NONE=y
# CONFIG_DEBUG_USER is not set
CONFIG_DECOMPRESS_LZMA=y
# CONFIG_DWC_DEBUG is not set
# CONFIG_DWC_DEVICE_ONLY is not set
# CONFIG_DWC_HOST_ONLY is not set
CONFIG_DWC_OTG_MODE=y
CONFIG_EARLY_PRINTK=y
CONFIG_EEPROM_AT24=y
CONFIG_FIQ=y
CONFIG_FRAME_POINTER=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_IO=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_PCA953X=y
CONFIG_GPIO_PCA953X_IRQ=y
CONFIG_GPIO_SYSFS=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAVE_AOUT=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_ARM_TWD=y
CONFIG_HAVE_BPF_JIT=y
CONFIG_HAVE_CLK=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_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_HAVE_GENERIC_HARDIRQS=y
CONFIG_HAVE_IDE=y
CONFIG_HAVE_IRQ_WORK=y
CONFIG_HAVE_KERNEL_GZIP=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_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_HWMON=y
CONFIG_HW_RANDOM=m
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_CNS3XXX=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_IRQ_DOMAIN=y
CONFIG_KTIME_SCALAR=y
CONFIG_LEDS_GPIO=y
# CONFIG_LEDS_TRIGGER_NETDEV is not set
CONFIG_LOCAL_TIMERS=y
CONFIG_M25PXX_USE_FAST_READ=y
# CONFIG_MACH_CNS3420VB is not set
CONFIG_MACH_GW2388=y
CONFIG_MDIO_BOARDINFO=y
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_MPCORE_WATCHDOG=y
CONFIG_MTD_M25P80=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MULTI_IRQ_HANDLER=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NET_VENDOR_CAVIUM=y
CONFIG_NLS=y
CONFIG_NR_CPUS=2
CONFIG_NTP_PPS=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_PERCPU_RWSEM=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PHYLIB=y
CONFIG_PL310_ERRATA_588369=y
CONFIG_PL310_ERRATA_727915=y
CONFIG_PL310_ERRATA_769419=y
CONFIG_PPS=y
CONFIG_PPS_CLIENT_GPIO=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RAID_ATTRS=y
CONFIG_RFS_ACCEL=y
CONFIG_RPS=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_DS1672=y
CONFIG_SATA_AHCI=y
CONFIG_SATA_AHCI_PLATFORM=y
CONFIG_SCSI=y
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SENSORS_AD7418=y
CONFIG_SENSORS_GSC=y
CONFIG_SERIAL_8250_NR_UARTS=3
CONFIG_SERIAL_8250_RUNTIME_UARTS=3
CONFIG_SMP=y
CONFIG_SMP_ON_UP=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_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TREE_RCU=y
CONFIG_UID16=y
CONFIG_UIDGID_CONVERTED=y
CONFIG_USB=y
# CONFIG_USB_AMD5536UDC is not set
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_ARCH_HAS_XHCI=y
CONFIG_USB_CNS3XXX_EHCI=y
CONFIG_USB_CNS3XXX_OHCI=y
CONFIG_USB_COMMON=y
CONFIG_USB_DWC_OTG=y
# CONFIG_USB_EG20T 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_GOKU is not set
# CONFIG_USB_NET2280 is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO 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_GENERIC_SMP_HELPERS=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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@ -13,7 +13,7 @@
#include <linux/linkage.h> #include <linux/linkage.h>
#include <linux/init.h> #include <linux/init.h>
__INIT __CPUINIT
/* /*
* CNS3XXX specific entry point for secondary CPUs. This provides * CNS3XXX specific entry point for secondary CPUs. This provides

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@ -49,12 +49,6 @@ struct cpu_cache_fns cpu_cache_save;
#define SCU_CPU_STATUS 0x08 #define SCU_CPU_STATUS 0x08
static void __iomem *scu_base; static void __iomem *scu_base;
/*
* control for which core is the next to come out of the secondary
* boot "holding pen"
*/
volatile int __cpuinitdata pen_release = -1;
static void __init cns3xxx_set_fiq_regs(void) static void __init cns3xxx_set_fiq_regs(void)
{ {
struct pt_regs FIQ_regs; struct pt_regs FIQ_regs;
@ -108,7 +102,7 @@ static void __cpuinit write_pen_release(int val)
static DEFINE_SPINLOCK(boot_lock); static DEFINE_SPINLOCK(boot_lock);
void __cpuinit platform_secondary_init(unsigned int cpu) static void __cpuinit cns3xxx_secondary_init(unsigned int cpu)
{ {
/* /*
* if any interrupts are already enabled for the primary * if any interrupts are already enabled for the primary
@ -143,7 +137,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
spin_unlock(&boot_lock); spin_unlock(&boot_lock);
} }
int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) static int __cpuinit cns3xxx_boot_secondary(unsigned int cpu, struct task_struct *idle)
{ {
unsigned long timeout; unsigned long timeout;
@ -192,7 +186,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
* Initialise the CPU possible map early - this describes the CPUs * Initialise the CPU possible map early - this describes the CPUs
* which may be present or become present in the system. * which may be present or become present in the system.
*/ */
void __init smp_init_cpus(void) static void __init cns3xxx_smp_init_cpus(void)
{ {
unsigned int i, ncores; unsigned int i, ncores;
unsigned int status; unsigned int status;
@ -214,7 +208,7 @@ void __init smp_init_cpus(void)
set_smp_cross_call(gic_raise_softirq); set_smp_cross_call(gic_raise_softirq);
} }
void __init platform_smp_prepare_cpus(unsigned int max_cpus) static void __init cns3xxx_smp_prepare_cpus(unsigned int max_cpus)
{ {
int i; int i;
@ -348,3 +342,10 @@ void smp_dma_flush_range(const void *start, const void *end)
} }
raw_local_irq_restore(flags); raw_local_irq_restore(flags);
} }
struct smp_operations cns3xxx_smp_ops __initdata = {
.smp_init_cpus = cns3xxx_smp_init_cpus,
.smp_prepare_cpus = cns3xxx_smp_prepare_cpus,
.smp_secondary_init = cns3xxx_secondary_init,
.smp_boot_secondary = cns3xxx_boot_secondary,
};

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@ -259,7 +259,7 @@ static irqreturn_t cns3xxx_i2c_isr(int irq, void *dev_id)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
static int __devinit cns3xxx_i2c_probe(struct platform_device *pdev) static int cns3xxx_i2c_probe(struct platform_device *pdev)
{ {
struct cns3xxx_i2c *i2c; struct cns3xxx_i2c *i2c;
struct resource *res, *res2; struct resource *res, *res2;
@ -331,7 +331,7 @@ static int __devinit cns3xxx_i2c_probe(struct platform_device *pdev)
return ret; return ret;
} }
static int __devexit cns3xxx_i2c_remove(struct platform_device *pdev) static int cns3xxx_i2c_remove(struct platform_device *pdev)
{ {
struct cns3xxx_i2c *i2c = platform_get_drvdata(pdev); struct cns3xxx_i2c *i2c = platform_get_drvdata(pdev);
struct resource *res; struct resource *res;

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@ -629,7 +629,7 @@ static int eth_poll(struct napi_struct *napi, int budget)
dma_unmap_single(NULL, rx_ring->phys_tab[i], dma_unmap_single(NULL, rx_ring->phys_tab[i],
RX_SEGMENT_MRU, DMA_FROM_DEVICE); RX_SEGMENT_MRU, DMA_FROM_DEVICE);
skb = build_skb(rx_ring->buff_tab[i]); skb = build_skb(rx_ring->buff_tab[i], 0);
if (!skb) if (!skb)
break; break;
@ -1153,7 +1153,7 @@ static const struct net_device_ops cns3xxx_netdev_ops = {
.ndo_validate_addr = eth_validate_addr, .ndo_validate_addr = eth_validate_addr,
}; };
static int __devinit eth_init_one(struct platform_device *pdev) static int eth_init_one(struct platform_device *pdev)
{ {
int i; int i;
struct port *port; struct port *port;
@ -1297,7 +1297,7 @@ err_free:
return err; return err;
} }
static int __devexit eth_remove_one(struct platform_device *pdev) static int eth_remove_one(struct platform_device *pdev)
{ {
struct net_device *dev = platform_get_drvdata(pdev); struct net_device *dev = platform_get_drvdata(pdev);
struct sw *sw = netdev_priv(dev); struct sw *sw = netdev_priv(dev);

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@ -324,7 +324,7 @@ static void __init cns3xxx_spi_initial(void)
return; return;
} }
static int __devinit cns3xxx_spi_probe(struct platform_device *pdev) static int cns3xxx_spi_probe(struct platform_device *pdev)
{ {
struct spi_master *master; struct spi_master *master;
struct cns3xxx_spi *hw; struct cns3xxx_spi *hw;
@ -384,7 +384,7 @@ err_nomem:
return err; return err;
} }
static int __devexit cns3xxx_spi_remove(struct platform_device *dev) static int cns3xxx_spi_remove(struct platform_device *dev)
{ {
struct cns3xxx_spi *hw = platform_get_drvdata(dev); struct cns3xxx_spi *hw = platform_get_drvdata(dev);
@ -419,7 +419,7 @@ static int cns3xxx_spi_resume(struct platform_device *pdev)
static struct platform_driver cns3xxx_spi_driver = { static struct platform_driver cns3xxx_spi_driver = {
.probe = cns3xxx_spi_probe, .probe = cns3xxx_spi_probe,
.remove = __devexit_p(cns3xxx_spi_remove), .remove = cns3xxx_spi_remove,
.suspend = cns3xxx_spi_suspend, .suspend = cns3xxx_spi_suspend,
.resume = cns3xxx_spi_resume, .resume = cns3xxx_spi_resume,
.driver = { .driver = {

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@ -636,7 +636,7 @@ static int dwc_otg_driver_cleanup(struct platform_device *pdev)
* *
* @param[in] lmdev lm_device definition * @param[in] lmdev lm_device definition
*/ */
static int __devinit dwc_otg_driver_probe(struct platform_device *pdev) static int dwc_otg_driver_probe(struct platform_device *pdev)
{ {
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
int retval = 0; int retval = 0;
@ -795,7 +795,7 @@ static int __devinit dwc_otg_driver_probe(struct platform_device *pdev)
return retval; return retval;
} }
static int __devexit dwc_otg_driver_remove(struct platform_device *pdev) static int dwc_otg_driver_remove(struct platform_device *pdev)
{ {
return dwc_otg_driver_cleanup(pdev); return dwc_otg_driver_cleanup(pdev);
} }
@ -803,7 +803,7 @@ static int __devexit dwc_otg_driver_remove(struct platform_device *pdev)
static struct platform_driver dwc_otg_platform_driver = { static struct platform_driver dwc_otg_platform_driver = {
.driver.name = "dwc_otg", .driver.name = "dwc_otg",
.probe = dwc_otg_driver_probe, .probe = dwc_otg_driver_probe,
.remove = __devexit_p(dwc_otg_driver_remove), .remove = dwc_otg_driver_remove,
}; };
static int __init dwc_otg_init_module(void) static int __init dwc_otg_init_module(void)

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@ -820,7 +820,7 @@ struct free_param {
dma_addr_t dma_addr; dma_addr_t dma_addr;
uint32_t size; uint32_t size;
}; };
void free_list_agent_fn(void *data){ static void free_list_agent_fn(struct work_struct *work) {
struct list_head free_list; struct list_head free_list;
struct free_param *cur,*next; struct free_param *cur,*next;
@ -830,7 +830,7 @@ void free_list_agent_fn(void *data){
spin_unlock(&tofree_list_lock); spin_unlock(&tofree_list_lock);
list_for_each_entry_safe(cur,next,&free_list,list){ list_for_each_entry_safe(cur,next,&free_list,list){
if(cur==&free_list) break; if(&cur->list==&free_list) break;
dma_free_coherent(NULL,cur->size,cur->addr,cur->dma_addr); dma_free_coherent(NULL,cur->size,cur->addr,cur->dma_addr);
list_del(&cur->list); list_del(&cur->list);
kfree(cur); kfree(cur);

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@ -0,0 +1,198 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -24,17 +24,7 @@ static struct map_desc cns3xxx_io_desc[]
{
.virtual = CNS3XXX_TC11MP_TWD_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_TWD_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT,
- .pfn = __phys_to_pfn(CNS3XXX_TC11MP_GIC_CPU_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT,
- .pfn = __phys_to_pfn(CNS3XXX_TC11MP_GIC_DIST_BASE),
- .length = SZ_4K,
+ .length = SZ_8K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TIMER1_2_3_BASE_VIRT,
--- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
@@ -20,22 +20,22 @@
#define CNS3XXX_SPI_FLASH_BASE 0x60000000 /* SPI Serial Flash Memory */
#define CNS3XXX_SWITCH_BASE 0x70000000 /* Switch and HNAT Control */
-#define CNS3XXX_SWITCH_BASE_VIRT 0xFFF00000
+#define CNS3XXX_SWITCH_BASE_VIRT 0xFEF00000
#define CNS3XXX_PPE_BASE 0x70001000 /* HANT */
-#define CNS3XXX_PPE_BASE_VIRT 0xFFF50000
+#define CNS3XXX_PPE_BASE_VIRT 0xFEF50000
#define CNS3XXX_EMBEDDED_SRAM_BASE 0x70002000 /* HANT Embedded SRAM */
-#define CNS3XXX_EMBEDDED_SRAM_BASE_VIRT 0xFFF60000
+#define CNS3XXX_EMBEDDED_SRAM_BASE_VIRT 0xFEF60000
#define CNS3XXX_SSP_BASE 0x71000000 /* Synchronous Serial Port - SPI/PCM/I2C */
-#define CNS3XXX_SSP_BASE_VIRT 0xFFF01000
+#define CNS3XXX_SSP_BASE_VIRT 0xFEF01000
#define CNS3XXX_DMC_BASE 0x72000000 /* DMC Control (DDR2 SDRAM) */
-#define CNS3XXX_DMC_BASE_VIRT 0xFFF02000
+#define CNS3XXX_DMC_BASE_VIRT 0xFEF02000
#define CNS3XXX_SMC_BASE 0x73000000 /* SMC Control */
-#define CNS3XXX_SMC_BASE_VIRT 0xFFF03000
+#define CNS3XXX_SMC_BASE_VIRT 0xFEF03000
#define SMC_MEMC_STATUS_OFFSET 0x000
#define SMC_MEMIF_CFG_OFFSET 0x004
@@ -74,13 +74,13 @@
#define SMC_PCELL_ID_3_OFFSET 0xFFC
#define CNS3XXX_GPIOA_BASE 0x74000000 /* GPIO port A */
-#define CNS3XXX_GPIOA_BASE_VIRT 0xFFF04000
+#define CNS3XXX_GPIOA_BASE_VIRT 0xFEF04000
#define CNS3XXX_GPIOB_BASE 0x74800000 /* GPIO port B */
-#define CNS3XXX_GPIOB_BASE_VIRT 0xFFF05000
+#define CNS3XXX_GPIOB_BASE_VIRT 0xFEF05000
#define CNS3XXX_RTC_BASE 0x75000000 /* Real Time Clock */
-#define CNS3XXX_RTC_BASE_VIRT 0xFFF06000
+#define CNS3XXX_RTC_BASE_VIRT 0xFEF06000
#define RTC_SEC_OFFSET 0x00
#define RTC_MIN_OFFSET 0x04
@@ -94,10 +94,10 @@
#define RTC_INTR_STS_OFFSET 0x34
#define CNS3XXX_MISC_BASE 0x76000000 /* Misc Control */
-#define CNS3XXX_MISC_BASE_VIRT 0xFFF07000 /* Misc Control */
+#define CNS3XXX_MISC_BASE_VIRT 0xFEF07000 /* Misc Control */
#define CNS3XXX_PM_BASE 0x77000000 /* Power Management Control */
-#define CNS3XXX_PM_BASE_VIRT 0xFFF08000
+#define CNS3XXX_PM_BASE_VIRT 0xFEF08000
#define PM_CLK_GATE_OFFSET 0x00
#define PM_SOFT_RST_OFFSET 0x04
@@ -109,28 +109,28 @@
#define PM_PLL_HM_PD_OFFSET 0x1C
#define CNS3XXX_UART0_BASE 0x78000000 /* UART 0 */
-#define CNS3XXX_UART0_BASE_VIRT 0xFFF09000
+#define CNS3XXX_UART0_BASE_VIRT 0xFEF09000
#define CNS3XXX_UART1_BASE 0x78400000 /* UART 1 */
-#define CNS3XXX_UART1_BASE_VIRT 0xFFF0A000
+#define CNS3XXX_UART1_BASE_VIRT 0xFEF0A000
#define CNS3XXX_UART2_BASE 0x78800000 /* UART 2 */
-#define CNS3XXX_UART2_BASE_VIRT 0xFFF0B000
+#define CNS3XXX_UART2_BASE_VIRT 0xFEF0B000
#define CNS3XXX_DMAC_BASE 0x79000000 /* Generic DMA Control */
-#define CNS3XXX_DMAC_BASE_VIRT 0xFFF0D000
+#define CNS3XXX_DMAC_BASE_VIRT 0xFEF0D000
#define CNS3XXX_CORESIGHT_BASE 0x7A000000 /* CoreSight */
-#define CNS3XXX_CORESIGHT_BASE_VIRT 0xFFF0E000
+#define CNS3XXX_CORESIGHT_BASE_VIRT 0xFEF0E000
#define CNS3XXX_CRYPTO_BASE 0x7B000000 /* Crypto */
-#define CNS3XXX_CRYPTO_BASE_VIRT 0xFFF0F000
+#define CNS3XXX_CRYPTO_BASE_VIRT 0xFEF0F000
#define CNS3XXX_I2S_BASE 0x7C000000 /* I2S */
-#define CNS3XXX_I2S_BASE_VIRT 0xFFF10000
+#define CNS3XXX_I2S_BASE_VIRT 0xFEF10000
#define CNS3XXX_TIMER1_2_3_BASE 0x7C800000 /* Timer */
-#define CNS3XXX_TIMER1_2_3_BASE_VIRT 0xFFF10800
+#define CNS3XXX_TIMER1_2_3_BASE_VIRT 0xFEF10800
#define TIMER1_COUNTER_OFFSET 0x00
#define TIMER1_AUTO_RELOAD_OFFSET 0x04
@@ -150,42 +150,42 @@
#define TIMER_FREERUN_CONTROL_OFFSET 0x44
#define CNS3XXX_HCIE_BASE 0x7D000000 /* HCIE Control */
-#define CNS3XXX_HCIE_BASE_VIRT 0xFFF30000
+#define CNS3XXX_HCIE_BASE_VIRT 0xFEF30000
#define CNS3XXX_RAID_BASE 0x7E000000 /* RAID Control */
-#define CNS3XXX_RAID_BASE_VIRT 0xFFF12000
+#define CNS3XXX_RAID_BASE_VIRT 0xFEF12000
#define CNS3XXX_AXI_IXC_BASE 0x7F000000 /* AXI IXC */
-#define CNS3XXX_AXI_IXC_BASE_VIRT 0xFFF13000
+#define CNS3XXX_AXI_IXC_BASE_VIRT 0xFEF13000
#define CNS3XXX_CLCD_BASE 0x80000000 /* LCD Control */
-#define CNS3XXX_CLCD_BASE_VIRT 0xFFF14000
+#define CNS3XXX_CLCD_BASE_VIRT 0xFEF14000
#define CNS3XXX_USBOTG_BASE 0x81000000 /* USB OTG Control */
-#define CNS3XXX_USBOTG_BASE_VIRT 0xFFF15000
+#define CNS3XXX_USBOTG_BASE_VIRT 0xFEF15000
#define CNS3XXX_USB_BASE 0x82000000 /* USB Host Control */
#define CNS3XXX_SATA2_BASE 0x83000000 /* SATA */
#define CNS3XXX_SATA2_SIZE SZ_16M
-#define CNS3XXX_SATA2_BASE_VIRT 0xFFF17000
+#define CNS3XXX_SATA2_BASE_VIRT 0xFEF17000
#define CNS3XXX_CAMERA_BASE 0x84000000 /* Camera Interface */
-#define CNS3XXX_CAMERA_BASE_VIRT 0xFFF18000
+#define CNS3XXX_CAMERA_BASE_VIRT 0xFEF18000
#define CNS3XXX_SDIO_BASE 0x85000000 /* SDIO */
-#define CNS3XXX_SDIO_BASE_VIRT 0xFFF19000
+#define CNS3XXX_SDIO_BASE_VIRT 0xFEF19000
#define CNS3XXX_I2S_TDM_BASE 0x86000000 /* I2S TDM */
-#define CNS3XXX_I2S_TDM_BASE_VIRT 0xFFF1A000
+#define CNS3XXX_I2S_TDM_BASE_VIRT 0xFEF1A000
#define CNS3XXX_2DG_BASE 0x87000000 /* 2D Graphic Control */
-#define CNS3XXX_2DG_BASE_VIRT 0xFFF1B000
+#define CNS3XXX_2DG_BASE_VIRT 0xFEF1B000
#define CNS3XXX_USB_OHCI_BASE 0x88000000 /* USB OHCI */
#define CNS3XXX_L2C_BASE 0x92000000 /* L2 Cache Control */
-#define CNS3XXX_L2C_BASE_VIRT 0xFFF27000
+#define CNS3XXX_L2C_BASE_VIRT 0xFEF27000
#define CNS3XXX_PCIE0_MEM_BASE 0xA0000000 /* PCIe Port 0 IO/Memory Space */
#define CNS3XXX_PCIE0_MEM_BASE_VIRT 0xE0000000
@@ -227,19 +227,19 @@
* Testchip peripheral and fpga gic regions
*/
#define CNS3XXX_TC11MP_SCU_BASE 0x90000000 /* IRQ, Test chip */
-#define CNS3XXX_TC11MP_SCU_BASE_VIRT 0xFF000000
+#define CNS3XXX_TC11MP_SCU_BASE_VIRT 0xFEE00000
#define CNS3XXX_TC11MP_GIC_CPU_BASE 0x90000100 /* Test chip interrupt controller CPU interface */
-#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT 0xFF000100
+#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT 0xFEE00100
#define CNS3XXX_TC11MP_TWD_BASE 0x90000600
-#define CNS3XXX_TC11MP_TWD_BASE_VIRT 0xFF000600
+#define CNS3XXX_TC11MP_TWD_BASE_VIRT 0xFEE00600
#define CNS3XXX_TC11MP_GIC_DIST_BASE 0x90001000 /* Test chip interrupt controller distributor */
-#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT 0xFF001000
+#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT 0xFEE01000
#define CNS3XXX_TC11MP_L220_BASE 0x92002000 /* L220 registers */
-#define CNS3XXX_TC11MP_L220_BASE_VIRT 0xFF002000
+#define CNS3XXX_TC11MP_L220_BASE_VIRT 0xFEE02000
/*
* Misc block

View File

@ -0,0 +1,69 @@
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -365,6 +365,7 @@ config ARCH_CNS3XXX
select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
select PCI_DOMAINS if PCI
+ select CLKDEV_LOOKUP
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -9,8 +9,11 @@
*/
#include <linux/init.h>
+#include <linux/export.h>
#include <linux/interrupt.h>
#include <linux/clockchips.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
#include <linux/io.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
@@ -20,6 +23,10 @@
#include <mach/cns3xxx.h>
#include "core.h"
+struct clk {
+ unsigned long rate;
+};
+
static struct map_desc cns3xxx_io_desc[] __initdata = {
{
.virtual = CNS3XXX_TC11MP_TWD_BASE_VIRT,
@@ -277,3 +284,33 @@ void __init cns3xxx_l2x0_init(void)
}
#endif /* CONFIG_CACHE_L2X0 */
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+static struct clk_lookup cns3xxx_clocks[] = {
+ {
+ /* TODO */
+ },
+};
+
+int __init cns3xxx_clocks_init(void)
+{
+ clkdev_add_table(cns3xxx_clocks, ARRAY_SIZE(cns3xxx_clocks));
+ return 0;
+}
+postcore_initcall(cns3xxx_clocks_init);

View File

@ -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
@@ -53,6 +53,8 @@ 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
@@ -208,10 +208,32 @@ 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,

View File

@ -0,0 +1,35 @@
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -366,6 +366,7 @@ config ARCH_CNS3XXX
select MIGHT_HAVE_PCI
select PCI_DOMAINS if PCI
select CLKDEV_LOOKUP
+ select CPU_CACHE_FORCE_MULTI
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -496,6 +496,9 @@ config CPU_CACHE_VIPT
config CPU_CACHE_FA
bool
+config CPU_CACHE_FORCE_MULTI
+ bool
+
if MMU
# The copy-page model
config CPU_COPY_V4WT
--- a/arch/arm/include/asm/glue-cache.h
+++ b/arch/arm/include/asm/glue-cache.h
@@ -129,6 +129,10 @@
#error Unknown cache maintenance model
#endif
+#if defined(CONFIG_CPU_CACHE_FORCE_MULTI) && !defined(MULTI_CACHE)
+#define MULTI_CACHE 1
+#endif
+
#ifndef MULTI_CACHE
#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all)
#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all)

View File

@ -0,0 +1,38 @@
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,3 +1,5 @@
obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
+obj-$(CONFIG_SMP) += platsmp.o headsmp.o
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -367,6 +367,7 @@ config ARCH_CNS3XXX
select PCI_DOMAINS if PCI
select CLKDEV_LOOKUP
select CPU_CACHE_FORCE_MULTI
+ select HAVE_SMP
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -11,6 +11,7 @@
#ifndef __CNS3XXX_CORE_H
#define __CNS3XXX_CORE_H
+extern struct smp_operations cns3xxx_smp_ops;
extern struct sys_timer cns3xxx_timer;
#ifdef CONFIG_CACHE_L2X0
--- a/arch/arm/mach-cns3xxx/laguna.c
+++ b/arch/arm/mach-cns3xxx/laguna.c
@@ -946,6 +946,7 @@ static int __init laguna_model_setup(voi
late_initcall(laguna_model_setup);
MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform")
+ .smp = smp_ops(cns3xxx_smp_ops),
.atag_offset = 0x100,
.map_io = laguna_map_io,
.init_irq = cns3xxx_init_irq,

View File

@ -0,0 +1,11 @@
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -370,8 +370,6 @@ static int __init cns3xxx_pcie_init(void
for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
iotable_init(cns3xxx_pcie[i].cfg_bases,
ARRAY_SIZE(cns3xxx_pcie[i].cfg_bases));
- 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);

View File

@ -0,0 +1,19 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -58,6 +58,16 @@ static struct map_desc cns3xxx_io_desc[]
.pfn = __phys_to_pfn(CNS3XXX_PM_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_SWITCH_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_SWITCH_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_SSP_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_SSP_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
},
};

View File

@ -0,0 +1,77 @@
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -368,6 +368,7 @@ config ARCH_CNS3XXX
select CLKDEV_LOOKUP
select CPU_CACHE_FORCE_MULTI
select HAVE_SMP
+ select FIQ
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -49,6 +49,8 @@
static unsigned long no_fiq_insn;
+unsigned int fiq_number[2] = {0, 0};
+
/* Default reacquire function
* - we always relinquish FIQ control
* - we always reacquire FIQ control
@@ -70,9 +72,12 @@ static struct fiq_handler *current_fiq =
int show_fiq_list(struct seq_file *p, int prec)
{
- if (current_fiq != &default_owner)
- seq_printf(p, "%*s: %s\n", prec, "FIQ",
- current_fiq->name);
+ if (current_fiq != &default_owner) {
+ seq_printf(p, "%*s: ", prec, "FIQ");
+ seq_printf(p, "%10u ", fiq_number[0]);
+ seq_printf(p, "%10u ", fiq_number[1]);
+ seq_printf(p, " %s\n", current_fiq->name);
+ }
return 0;
}
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,5 +1,5 @@
obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
-obj-$(CONFIG_SMP) += platsmp.o headsmp.o
+obj-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
--- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
@@ -294,6 +294,7 @@
#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/mach-cns3xxx/include/mach/irqs.h
+++ b/arch/arm/mach-cns3xxx/include/mach/irqs.h
@@ -14,6 +14,7 @@
#define IRQ_LOCALTIMER 29
#define IRQ_LOCALWDOG 30
#define IRQ_TC11MP_GIC_START 32
+#define FIQ_START 0
#include <mach/cns3xxx.h>
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -773,7 +773,7 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
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

View File

@ -0,0 +1,36 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -19,6 +19,7 @@
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
#include <asm/hardware/gic.h>
+#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/cns3xxx.h>
#include "core.h"
@@ -187,6 +188,17 @@ 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
*/
@@ -240,6 +252,7 @@ static void __init __cns3xxx_timer_init(
setup_irq(timer_irq, &cns3xxx_timer_irq);
cns3xxx_clockevents_init(timer_irq);
+ cns3xxx_init_twd();
}
static 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
@@ -69,6 +69,16 @@ static struct map_desc cns3xxx_io_desc[]
.pfn = __phys_to_pfn(CNS3XXX_SSP_BASE),
.length = SZ_4K,
.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,
},
};

View File

@ -0,0 +1,129 @@
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -92,6 +92,79 @@ static void __iomem *cns3xxx_pci_cfg_bas
return base + offset;
}
+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)
{
@@ -108,6 +181,11 @@ 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) {
/*
@@ -137,11 +215,19 @@ 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;
}
@@ -352,8 +438,14 @@ 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 +1,85 @@
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -263,11 +263,21 @@ static struct map_desc cns3420_io_desc[]
static void __init cns3420_map_io(void)
{
cns3xxx_map_io();
+ cns3xxx_pcie_iotable_init();
iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc));
cns3420_early_serial_setup();
}
+static int __init cns3420vb_pcie_init(void)
+{
+ if (!machine_is_cns3420vb())
+ return 0;
+
+ return cns3xxx_pcie_init();
+}
+subsys_initcall(cns3420vb_pcie_init);
+
MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
.atag_offset = 0x100,
.map_io = cns3420_map_io,
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -13,6 +13,8 @@
extern struct smp_operations cns3xxx_smp_ops;
extern struct sys_timer cns3xxx_timer;
+extern void cns3xxx_pcie_iotable_init(void);
+
#ifdef CONFIG_CACHE_L2X0
void __init cns3xxx_l2x0_init(void);
@@ -22,6 +24,7 @@ static inline void cns3xxx_l2x0_init(voi
void __init cns3xxx_map_io(void);
void __init cns3xxx_init_irq(void);
+int __init cns3xxx_pcie_init(void);
void cns3xxx_power_off(void);
void cns3xxx_restart(char, const char *);
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -449,7 +449,18 @@ static int cns3xxx_pcie_abort_handler(un
return 0;
}
-static int __init cns3xxx_pcie_init(void)
+
+void __init cns3xxx_pcie_iotable_init()
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
+ iotable_init(cns3xxx_pcie[i].cfg_bases,
+ ARRAY_SIZE(cns3xxx_pcie[i].cfg_bases));
+ }
+}
+
+int __init cns3xxx_pcie_init(void)
{
int i;
@@ -460,15 +471,14 @@ static int __init cns3xxx_pcie_init(void
"imprecise external abort");
for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
- iotable_init(cns3xxx_pcie[i].cfg_bases,
- ARRAY_SIZE(cns3xxx_pcie[i].cfg_bases));
cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
- cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
- pci_common_init(&cns3xxx_pcie[i].hw_pci);
+ if (cns3xxx_pcie[i].linked) {
+ cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
+ pci_common_init(&cns3xxx_pcie[i].hw_pci);
+ }
}
pci_assign_unassigned_resources();
return 0;
}
-device_initcall(cns3xxx_pcie_init);

View File

@ -0,0 +1,31 @@
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -347,6 +347,18 @@ 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) && OF_I2C
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -87,6 +87,7 @@ obj-$(CONFIG_I2C_ACORN) += i2c-acorn.o
obj-$(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
obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o

View File

@ -0,0 +1,57 @@
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -130,6 +130,13 @@ 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
@@ -19,6 +19,7 @@ obj-$(CONFIG_SPI_BFIN5XX) += spi-bfin5x
obj-$(CONFIG_SPI_BFIN_SPORT) += spi-bfin-sport.o
obj-$(CONFIG_SPI_BITBANG) += spi-bitbang.o
obj-$(CONFIG_SPI_BUTTERFLY) += spi-butterfly.o
+obj-$(CONFIG_SPI_CNS3XXX) += spi-cns3xxx.o
obj-$(CONFIG_SPI_CLPS711X) += spi-clps711x.o
obj-$(CONFIG_SPI_COLDFIRE_QSPI) += spi-coldfire-qspi.o
obj-$(CONFIG_SPI_DAVINCI) += spi-davinci.o
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -328,6 +328,12 @@ static void bitbang_work(struct work_str
*/
if (!m->is_dma_mapped)
t->rx_dma = t->tx_dma = 0;
+
+ if (t->transfer_list.next == &m->transfers)
+ t->last_in_message_list = 1;
+ else
+ t->last_in_message_list = 0;
+
status = bitbang->txrx_bufs(spi, t);
}
if (status > 0)
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -511,6 +511,13 @@ 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 +1,44 @@
--- a/arch/arm/mach-cns3xxx/devices.c
+++ b/arch/arm/mach-cns3xxx/devices.c
@@ -41,7 +41,7 @@ static struct resource cns3xxx_ahci_reso
static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
static struct platform_device cns3xxx_ahci_pdev = {
- .name = "ahci",
+ .name = "cns3xxx-ahci",
.id = 0,
.resource = cns3xxx_ahci_resource,
.num_resources = ARRAY_SIZE(cns3xxx_ahci_resource),
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -31,6 +31,7 @@ enum ahci_type {
AHCI, /* standard platform ahci */
IMX53_AHCI, /* ahci on i.mx53 */
STRICT_AHCI, /* delayed DMA engine start */
+ CNS3XXX_AHCI, /* AHCI on cns3xxx */
};
static struct platform_device_id ahci_devtype[] = {
@@ -44,6 +45,9 @@ static struct platform_device_id ahci_de
.name = "strict-ahci",
.driver_data = STRICT_AHCI,
}, {
+ .name = "cns3xxx-ahci",
+ .driver_data = CNS3XXX_AHCI,
+ }, {
/* sentinel */
}
};
@@ -80,6 +84,12 @@ static const struct ata_port_info ahci_p
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_platform_ops,
},
+ [CNS3XXX_AHCI] = {
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_platform_retry_srst_ops,
+ }
};
static struct scsi_host_template ahci_platform_sht = {

View File

@ -0,0 +1,20 @@
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -32,6 +32,7 @@ source "drivers/net/ethernet/calxeda/Kco
source "drivers/net/ethernet/chelsio/Kconfig"
source "drivers/net/ethernet/cirrus/Kconfig"
source "drivers/net/ethernet/cisco/Kconfig"
+source "drivers/net/ethernet/cavium/Kconfig"
source "drivers/net/ethernet/davicom/Kconfig"
config DNET
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -15,6 +15,7 @@ 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 +1,109 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -122,12 +122,13 @@ 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:
@@ -152,11 +153,11 @@ static int cns3xxx_timer_set_next_event(
static struct clock_event_device cns3xxx_tmr1_clockevent = {
.name = "cns3xxx timer1",
- .shift = 8,
+ .shift = 32,
.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,
};
@@ -209,6 +210,35 @@ 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
*/
@@ -226,13 +256,12 @@ 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);
@@ -244,23 +273,9 @@ 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 +1,74 @@
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -247,6 +247,10 @@ 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;
}
@@ -262,7 +266,7 @@ static struct map_desc cns3420_io_desc[]
static void __init cns3420_map_io(void)
{
- cns3xxx_map_io();
+ cns3xxx_common_init();
cns3xxx_pcie_iotable_init();
iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc));
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -82,7 +82,7 @@ static struct map_desc cns3xxx_io_desc[]
},
};
-void __init cns3xxx_map_io(void)
+void __init cns3xxx_common_init(void)
{
iotable_init(cns3xxx_io_desc, ARRAY_SIZE(cns3xxx_io_desc));
}
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -22,7 +22,7 @@ void __init cns3xxx_l2x0_init(void);
static inline void cns3xxx_l2x0_init(void) {}
#endif /* CONFIG_CACHE_L2X0 */
-void __init cns3xxx_map_io(void);
+void __init cns3xxx_common_init(void);
void __init cns3xxx_init_irq(void);
int __init cns3xxx_pcie_init(void);
void cns3xxx_power_off(void);
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -361,6 +361,8 @@ config ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family"
select ARM_GIC
select CPU_V6K
+ select ARCH_REQUIRE_GPIOLIB
+ select GENERIC_IRQ_CHIP
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
+obj-$(CONFIG_ARCH_CNS3XXX) += core.o gpio.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
--- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
@@ -627,7 +627,7 @@ int cns3xxx_cpu_clock(void);
#if !defined(NR_IRQS) || (NR_IRQS < NR_IRQS_CNS3XXX)
#undef NR_IRQS
-#define NR_IRQS NR_IRQS_CNS3XXX
+#define NR_IRQS (NR_IRQS_CNS3XXX + 64)
#endif
#endif /* __MACH_BOARD_CNS3XXX_H */

View File

@ -0,0 +1,70 @@
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -293,13 +293,26 @@ struct sys_timer cns3xxx_timer = {
#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
@@ -329,7 +342,10 @@ void __init cns3xxx_l2x0_init(void)
/* 32 KiB, 8-way, parity disable */
l2x0_init(base, 0x00540000, 0xfe000fff);
+
+ 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
@@ -241,8 +241,6 @@ 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
@@ -15,13 +15,6 @@ extern struct smp_operations cns3xxx_smp
extern struct sys_timer cns3xxx_timer;
extern void cns3xxx_pcie_iotable_init(void);
-
-#ifdef CONFIG_CACHE_L2X0
-void __init cns3xxx_l2x0_init(void);
-#else
-static inline void cns3xxx_l2x0_init(void) {}
-#endif /* CONFIG_CACHE_L2X0 */
-
void __init cns3xxx_common_init(void);
void __init cns3xxx_init_irq(void);
int __init cns3xxx_pcie_init(void);

View File

@ -0,0 +1,48 @@
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -81,6 +81,7 @@ obj-$(CONFIG_PARIDE) += block/paride/
obj-$(CONFIG_TC) += tc/
obj-$(CONFIG_UWB) += uwb/
obj-$(CONFIG_USB_OTG_UTILS) += usb/
+obj-$(CONFIG_USB_DWC_OTG) += usb/dwc/
obj-$(CONFIG_USB) += usb/
obj-$(CONFIG_PCI) += usb/
obj-$(CONFIG_USB_GADGET) += usb/
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -138,6 +138,8 @@ source "drivers/usb/chipidea/Kconfig"
source "drivers/usb/renesas_usbhs/Kconfig"
+source "drivers/usb/dwc/Kconfig"
+
source "drivers/usb/class/Kconfig"
source "drivers/usb/storage/Kconfig"
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -17,7 +17,11 @@ static void urb_destroy(struct kref *kre
if (urb->transfer_flags & URB_FREE_BUFFER)
kfree(urb->transfer_buffer);
-
+ if (urb->aligned_transfer_buffer) {
+ kfree(urb->aligned_transfer_buffer);
+ urb->aligned_transfer_buffer = 0;
+ urb->aligned_transfer_dma = 0;
+ }
kfree(urb);
}
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1401,6 +1401,9 @@ struct urb {
unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
void *transfer_buffer; /* (in) associated data buffer */
dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
+ void *aligned_transfer_buffer; /* (in) associeated data buffer */
+ dma_addr_t aligned_transfer_dma;/* (in) dma addr for transfer_buffer */
+ u32 aligned_transfer_buffer_length; /* (in) data buffer length */
struct scatterlist *sg; /* (in) scatter gather buffer list */
int num_mapped_sgs; /* (internal) mapped sg entries */
int num_sgs; /* (in) number of entries in the sg list */

View File

@ -0,0 +1,47 @@
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -9,4 +9,12 @@ 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.
+
endmenu
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,5 +1,6 @@
obj-$(CONFIG_ARCH_CNS3XXX) += core.o gpio.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
+obj-$(CONFIG_MACH_GW2388) += laguna.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
--- a/arch/arm/mach-cns3xxx/devices.c
+++ b/arch/arm/mach-cns3xxx/devices.c
@@ -19,6 +19,7 @@
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
#include <mach/pm.h>
+#include <asm/mach-types.h>
#include "core.h"
#include "devices.h"
@@ -102,7 +103,11 @@ 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 +1,16 @@
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -89,10 +89,11 @@ static struct sdhci_pltfm_data sdhci_cns
.ops = &sdhci_cns3xxx_ops,
.quirks = SDHCI_QUIRK_BROKEN_DMA |
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
- SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
+ //SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
- SDHCI_QUIRK_NONSTANDARD_CLOCK,
+ SDHCI_QUIRK_NONSTANDARD_CLOCK |
+ SDHCI_QUIRK_BROKEN_CARD_DETECTION,
};
static int sdhci_cns3xxx_probe(struct platform_device *pdev)