gemini: drop Linux 4.1 support

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2016-08-22 17:35:47 +02:00
parent f046737e92
commit 58df34b5e1
42 changed files with 1 additions and 6743 deletions

View file

@ -14,7 +14,7 @@ FEATURES:=squashfs pci rtc
CPU_TYPE:=fa526
MAINTAINER:=Roman Yeryomin <roman@advem.lv>
KERNEL_PATCHVER:=4.1
KERNEL_PATCHVER:=4.4
KERNELNAME:=zImage

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@ -1,164 +0,0 @@
CONFIG_ALIGNMENT_TRAP=y
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_ARCH_GEMINI=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
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_USES_GETTIMEOFFSET=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARM=y
# CONFIG_ARM_CPU_SUSPEND is not set
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_NR_BANKS=8
CONFIG_ARM_PATCH_PHYS_VIRT=y
# CONFIG_ARPD is not set
CONFIG_ATA=y
CONFIG_ATAGS=y
# CONFIG_CACHE_L2X0 is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=32M"
CONFIG_CMDLINE_FROM_BOOTLOADER=y
CONFIG_CPU_32v4=y
CONFIG_CPU_ABRT_EV4=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_CPU_CACHE_FA=y
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_COPY_FA=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
CONFIG_CPU_FA526=y
# CONFIG_CPU_ICACHE_DISABLE is not set
CONFIG_CPU_PABRT_LEGACY=y
CONFIG_CPU_TLB_FA=y
CONFIG_CPU_USE_DOMAINS=y
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
# CONFIG_DEBUG_USER is not set
CONFIG_DEBUG_UART_PHYS=0x42000000
CONFIG_DEBUG_UART_VIRT=0xf4200000
CONFIG_DEBUG_UART_8250_SHIFT=2
# CONFIG_DEBUG_UART_8250_WORD is not set
# CONFIG_DEBUG_UART_8250_FLOW_CONTROL is not set
# CONFIG_DLCI is not set
CONFIG_DMADEVICES=y
CONFIG_DNOTIFY=y
# CONFIG_DW_DMAC_CORE is not set
# CONFIG_DW_DMAC_PCI is not set
CONFIG_FRAME_POINTER=y
CONFIG_GEMINI_MEM_SWAP=y
CONFIG_GEMINI_SL351X=y
CONFIG_GEMINI_WATCHDOG=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_GENERIC_IO=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_DEVRES=y
CONFIG_GPIO_SYSFS=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
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_BOOTMEM_INFO_NODE is not set
CONFIG_HAVE_BPF_JIT=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_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_TIME_ACCOUNTING=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=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_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_UID16=y
# CONFIG_HSU_DMA_PCI is not set
CONFIG_HWMON=y
CONFIG_HW_RANDOM=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_IRQ_WORK=y
CONFIG_KTIME_SCALAR=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_MACH_NAS4220B is not set
# CONFIG_MACH_RUT100 is not set
CONFIG_MACH_WBD111=y
CONFIG_MACH_WBD222=y
CONFIG_MDIO_BITBANG=y
CONFIG_MDIO_BOARDINFO=y
CONFIG_MDIO_GPIO=y
CONFIG_MIGHT_HAVE_PCI=y
CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MTD_PHYSMAP=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_KUSER_HELPERS=y
CONFIG_NEED_MACH_GPIO_H=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_VENDOR_GEMINI=y
CONFIG_OLD_SIGACTION=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_PATA_GEMINI=y
CONFIG_PCI=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PHYLIB=y
# CONFIG_PREEMPT_RCU is not set
# CONFIG_RCU_STALL_COMMON is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GEMINI=y
# CONFIG_SCHED_HRTICK is not set
# CONFIG_SCSI_DMA is not set
CONFIG_SPLIT_PTLOCK_CPUS=999999
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_UID16=y
CONFIG_UIDGID_CONVERTED=y
CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h"
CONFIG_USB_ARCH_HAS_XHCI=y
CONFIG_USB_SUPPORT=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_WAN=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_BCJ=y
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZONE_DMA_FLAG=0

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@ -1,234 +0,0 @@
/*
* Support for Gemini PATA
*
* Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
* Copyright (C) 2010 Frederic Pecourt <opengemini@free.fr>
* Copyright (C) 2011 Tobias Waldvogel <tobias.waldvogel@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Values of IOMUX
* 26:24 bits is "IDE IO Select"
* 111:100 - Reserved
* 011 - ata0 <-> sata0, sata1; bring out ata1
* 010 - ata1 <-> sata1, sata0; bring out ata0
* 001 - ata0 <-> sata0, ata1 <-> sata1; bring out ata1
* 000 - ata0 <-> sata0, ata1 <-> sata1; bring out ata0
*
*/
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/libata.h>
#include <linux/leds.h>
#include <mach/hardware.h>
#include <mach/global_reg.h>
#define DRV_NAME "pata-gemini"
#define PATA_GEMINI_PORTS 1
#define PIO_TIMING_REG 0x10
#define MDMA_TIMING_REG 0x11
#define UDMA_TIMING0_REG 0x12
#define UDMA_TIMING1_REG 0x13
#define CLK_MOD_REG 0x14
#define CLK_MOD_66M_DEV0_BIT 0
#define CLK_MOD_66M_DEV1_BIT 1
#define CLK_MOD_UDMA_DEV0_BIT 4
#define CLK_MOD_UDMA_DEV1_BIT 5
#define CLK_MOD_66M_DEV0 (1 << CLK_MOD_66M_DEV0_BIT)
#define CLK_MOD_66M_DEV1 (1 << CLK_MOD_66M_DEV1_BIT)
#define CLK_MOD_UDMA_DEV0 (1 << CLK_MOD_UDMA_DEV0_BIT)
#define CLK_MOD_UDMA_DEV1 (1 << CLK_MOD_UDMA_DEV1_BIT)
#define SATA_ENABLE_PDEV_MASK 0x01
#define SATA_ENABLE_PDEV_PM 0x02
#define SATA_ENABLE_PDEV_ADDED 0x04
#define SATA_ENABLE_PDEV_REMOVED 0x08
#define SATA_ENABLE_SDEV_MASK 0x10
#define SATA_ENABLE_SDEV_PM 0x20
#define SATA_ENABLE_SDEV_ADDED 0x40
#define SATA_ENABLE_SDEV_REMOVED 0x80
MODULE_AUTHOR("Janos Laube <janos.dev@gmail.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);
static unsigned char PIO_TIMING[5] = {
0xaa, 0xa3, 0xa1, 0x33, 0x31
};
static unsigned char TIMING_MW_DMA[4][2] = {
{ 0x44, 1 }, // 480 4.2
{ 0x42, 1 }, // 150 13.3
{ 0x31, 1 }, // 120 16.7
{ 0x21, 1 }, // 100 20
};
static unsigned char TIMING_UDMA[7][2] = {
{ 0x33, 0 }, //240 16.7
{ 0x31, 0 }, //160 25
{ 0x21, 0 }, //120 33.3
{ 0x21, 1 }, //90 44.4
{ 0x11, 1 }, //60 66.7
{ 0x11 | 0x80, 0 }, //40 100
{ 0x11 | 0x80, 1 }, //30 133
};
static struct scsi_host_template pata_gemini_sht = {
ATA_NCQ_SHT(DRV_NAME),
.can_queue = 1,
.sg_tablesize = 128,
.dma_boundary = 0xffffU,
};
static void gemini_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
void __iomem *clk_reg = ap->ioaddr.bmdma_addr + CLK_MOD_REG;
void __iomem *tim_reg = ap->ioaddr.bmdma_addr + UDMA_TIMING0_REG;
unsigned short udma = adev->dma_mode;
unsigned short speed = udma;
unsigned short devno = adev->devno & 1;
unsigned short i;
u8 mod_udma_mask = 1 << (CLK_MOD_UDMA_DEV0_BIT + devno);
u8 mod_66m_mask = 1 << (CLK_MOD_66M_DEV0_BIT + devno);
u8 clk_mod;
u8 timing;
clk_mod = ioread8(clk_reg);
clk_mod &= ~mod_udma_mask;
if (speed & XFER_UDMA_0) {
i = speed & ~XFER_UDMA_0;
timing = TIMING_UDMA[i][0];
clk_mod |= mod_udma_mask;
if (TIMING_UDMA[i][1])
clk_mod |= mod_66m_mask;
} else {
i = speed & ~XFER_MW_DMA_0;
timing = TIMING_MW_DMA[i][0];
clk_mod |= mod_udma_mask;
if (TIMING_MW_DMA[i][1])
clk_mod |= mod_66m_mask;
}
iowrite8(clk_mod, clk_reg);
iowrite8(timing, tim_reg + devno);
return;
}
static void gemini_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
void __iomem *pio_reg = ap->ioaddr.bmdma_addr + PIO_TIMING_REG;
unsigned int pio = adev->pio_mode - XFER_PIO_0;
iowrite8(PIO_TIMING[pio], pio_reg);
}
unsigned int gemini_qc_issue(struct ata_queued_cmd *qc)
{
ledtrig_ide_activity();
return ata_bmdma_qc_issue(qc);
}
static struct ata_port_operations pata_gemini_port_ops = {
.inherits = &ata_bmdma_port_ops,
.set_dmamode = gemini_set_dmamode,
.set_piomode = gemini_set_piomode,
.qc_issue = gemini_qc_issue,
};
static struct ata_port_info pata_gemini_portinfo = {
.flags = 0,
.udma_mask = ATA_UDMA6,
.pio_mask = ATA_PIO4,
.port_ops = &pata_gemini_port_ops,
};
static const struct ata_port_info *pata_gemini_ports = &pata_gemini_portinfo;
static int pata_gemini_probe(struct platform_device *pdev)
{
struct ata_host *host;
struct resource *res;
unsigned int irq, i;
void __iomem *mmio_base;
/* standard bdma init */
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
pr_info(DRV_NAME ": irq %d, io base 0x%08x\n", irq, res->start);
mmio_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
host = ata_host_alloc_pinfo(&pdev->dev, &pata_gemini_ports, 1);
if (!host)
return -ENOMEM;
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
struct ata_ioports *ioaddr = &ap->ioaddr;
ioaddr->bmdma_addr = mmio_base;
ioaddr->cmd_addr = mmio_base + 0x20;
ioaddr->ctl_addr = mmio_base + 0x36;
ioaddr->altstatus_addr = ioaddr->ctl_addr;
ata_sff_std_ports(ioaddr);
host->ports[i]->cbl = ATA_CBL_SATA;
}
return ata_host_activate(host, irq, ata_bmdma_interrupt,
IRQF_SHARED, &pata_gemini_sht);
}
static int pata_gemini_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
return 0;
}
static struct platform_driver pata_gemini_driver = {
.probe = pata_gemini_probe,
.remove = pata_gemini_remove,
.driver.owner = THIS_MODULE,
.driver.name = DRV_NAME,
};
static int __init pata_gemini_module_init(void)
{
return platform_driver_probe(&pata_gemini_driver, pata_gemini_probe);
}
static void __exit pata_gemini_module_exit(void)
{
platform_driver_unregister(&pata_gemini_driver);
}
module_init(pata_gemini_module_init);
module_exit(pata_gemini_module_exit);

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@ -1,258 +0,0 @@
/*
* Gemini EHCI Host Controller driver
*
* Copyright (C) 2014 Roman Yeryomin <roman@advem.lv>
* Copyright (C) 2012 Tobias Waldvogel
* based on GPLd code from Sony Computer Entertainment Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*/
#include <linux/kernel.h>
#include <linux/hrtimer.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/usb/ehci_pdriver.h>
#include <mach/hardware.h>
#include <mach/global_reg.h>
#include "ehci.h"
#define DRV_NAME "ehci-fotg2"
#define HCD_MISC 0x40
#define OTGC_SCR 0x80
#define OTGC_INT_STS 0x84
#define OTGC_INT_EN 0x88
#define GLOBAL_ISR 0xC0
#define GLOBAL_ICR 0xC4
#define GLOBAL_INT_POLARITY (1 << 3)
#define GLOBAL_INT_MASK_HC (1 << 2)
#define GLOBAL_INT_MASK_OTG (1 << 1)
#define GLOBAL_INT_MASK_DEV (1 << 0)
#define OTGC_SCR_ID (1 << 21)
#define OTGC_SCR_CROLE (1 << 20)
#define OTGC_SCR_VBUS_VLD (1 << 19)
#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
#define OTGC_SCR_A_BUS_DROP (1 << 5)
#define OTGC_SCR_A_BUS_REQ (1 << 4)
#define OTGC_INT_APLGRMV (1 << 12)
#define OTGC_INT_BPLGRMV (1 << 11)
#define OTGC_INT_OVC (1 << 10)
#define OTGC_INT_IDCHG (1 << 9)
#define OTGC_INT_RLCHG (1 << 8)
#define OTGC_INT_AVBUSERR (1 << 5)
#define OTGC_INT_ASRPDET (1 << 4)
#define OTGC_INT_BSRPDN (1 << 0)
#define OTGC_INT_A_TYPE ( \
OTGC_INT_ASRPDET | \
OTGC_INT_AVBUSERR | \
OTGC_INT_OVC | \
OTGC_INT_RLCHG | \
OTGC_INT_IDCHG | \
OTGC_INT_APLGRMV \
)
#define OTGC_INT_B_TYPE ( \
OTGC_INT_AVBUSERR | \
OTGC_INT_OVC | \
OTGC_INT_RLCHG | \
OTGC_INT_IDCHG \
)
static void fotg2_otg_init(struct usb_hcd *hcd)
{
u32 val;
writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC |
GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV,
hcd->regs + GLOBAL_ICR);
val = readl(hcd->regs + OTGC_SCR);
val &= ~(OTGC_SCR_A_SRP_RESP_TYPE | OTGC_SCR_A_SRP_DET_EN |
OTGC_SCR_A_BUS_DROP | OTGC_SCR_A_SET_B_HNP_EN);
val |= OTGC_SCR_A_BUS_REQ;
writel(val, hcd->regs + OTGC_SCR);
writel(OTGC_INT_A_TYPE, hcd->regs + OTGC_INT_EN);
/* setup MISC register, fixes timing problems */
val = readl(hcd->regs + HCD_MISC);
val |= 0xD;
writel(val, hcd->regs + HCD_MISC);
writel(~0, hcd->regs + GLOBAL_ISR);
writel(~0, hcd->regs + OTGC_INT_STS);
}
static int fotg2_ehci_reset(struct usb_hcd *hcd)
{
int retval;
retval = ehci_setup(hcd);
if (retval)
return retval;
writel(GLOBAL_INT_POLARITY, hcd->regs + GLOBAL_ICR);
return 0;
}
static const struct hc_driver fotg2_ehci_hc_driver = {
.description = hcd_name,
.product_desc = "FOTG2 EHCI Host Controller",
.hcd_priv_size = sizeof(struct ehci_hcd),
.irq = ehci_irq,
.flags = HCD_MEMORY | HCD_USB2,
.reset = fotg2_ehci_reset,
.start = ehci_run,
.stop = ehci_stop,
.shutdown = ehci_shutdown,
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
.endpoint_reset = ehci_endpoint_reset,
.get_frame_number = ehci_get_frame,
.hub_status_data = ehci_hub_status_data,
.hub_control = ehci_hub_control,
#if defined(CONFIG_PM)
.bus_suspend = ehci_bus_suspend,
.bus_resume = ehci_bus_resume,
#endif
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static irqreturn_t fotg2_ehci_irq(int irq, void *data)
{
struct usb_hcd *hcd = data;
u32 icr, sts;
irqreturn_t retval;
icr = readl(hcd->regs + GLOBAL_ICR);
writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC |
GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV,
hcd->regs + GLOBAL_ICR);
retval = IRQ_NONE;
sts = ~icr;
sts &= GLOBAL_INT_MASK_HC | GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV;
sts &= readl(hcd->regs + GLOBAL_ISR);
writel(sts, hcd->regs + GLOBAL_ISR);
if (unlikely(sts & GLOBAL_INT_MASK_DEV)) {
ehci_warn(hcd_to_ehci(hcd),
"Received unexpected irq for device role\n");
retval = IRQ_HANDLED;
}
if (unlikely(sts & GLOBAL_INT_MASK_OTG)) {
u32 otg_sts;
otg_sts = readl(hcd->regs + OTGC_INT_STS);
writel(otg_sts, hcd->regs + OTGC_INT_STS);
ehci_warn(hcd_to_ehci(hcd),
"Received unexpected irq for OTG management\n");
retval = IRQ_HANDLED;
}
if (sts & GLOBAL_INT_MASK_HC) {
retval = IRQ_NONE;
}
writel(icr, hcd->regs + GLOBAL_ICR);
return retval;
}
static int fotg2_ehci_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd;
struct resource *res;
int irq , err;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
pr_err("no irq provided");
return irq;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
pr_err("no memory resource provided");
return -ENXIO;
}
hcd = usb_create_hcd(&fotg2_ehci_hc_driver, &pdev->dev,
dev_name(&pdev->dev));
if (!hcd)
return -ENOMEM;
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
err = -ENOMEM;
goto err_put_hcd;
}
hcd->has_tt = 1;
hcd_to_ehci(hcd)->caps = hcd->regs;
fotg2_otg_init(hcd);
err = request_irq(irq, &fotg2_ehci_irq, IRQF_SHARED, "fotg2", hcd);
if (err)
goto err_put_hcd;
err = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (err)
goto err_put_hcd;
platform_set_drvdata(pdev, hcd);
return 0;
err_put_hcd:
usb_put_hcd(hcd);
return err;
}
static int fotg2_ehci_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC |
GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV,
hcd->regs + GLOBAL_ICR);
free_irq(hcd->irq, hcd);
usb_remove_hcd(hcd);
usb_put_hcd(hcd);
platform_set_drvdata(pdev, NULL);
return 0;
}
MODULE_ALIAS("platform:" DRV_NAME);
static struct platform_driver ehci_fotg2_driver = {
.probe = fotg2_ehci_probe,
.remove = fotg2_ehci_remove,
.driver.name = DRV_NAME,
};

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@ -1,220 +0,0 @@
/*
* Gemini OnChip RTC
*
* Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Original code for older kernel 2.6.15 are form Stormlinksemi
* first update from Janos Laube for > 2.6.29 kernels
*
* checkpatch fixes and usage off rtc-lib code
* Hans Ulli Kroll <ulli.kroll@googlemail.com>
*/
#include <linux/rtc.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <mach/hardware.h>
#define DRV_NAME "rtc-gemini"
MODULE_DESCRIPTION("RTC driver for Gemini SoC");
MODULE_ALIAS("platform:" DRV_NAME);
MODULE_AUTHOR("Hans Ulli Kroll <ulli.kroll@googlemail.com>");
MODULE_LICENSE("GPL");
struct gemini_rtc {
struct rtc_device *dev;
void __iomem *base;
int irq;
};
enum gemini_rtc_offsets {
GEMINI_RTC_SECOND = 0x00,
GEMINI_RTC_MINUTE = 0x04,
GEMINI_RTC_HOUR = 0x08,
GEMINI_RTC_DAYS = 0x0C,
GEMINI_RTC_ALARM_SECOND = 0x10,
GEMINI_RTC_ALARM_MINUTE = 0x14,
GEMINI_RTC_ALARM_HOUR = 0x18,
GEMINI_RTC_RECORD = 0x1C,
GEMINI_RTC_CR = 0x20
};
static irqreturn_t gemini_rtc_interrupt(int irq, void *dev)
{
return IRQ_HANDLED;
}
/*
* Looks like the RTC in the Gemini SoC is (totaly) broken
* We can't read/write directly the time from RTC registers.
* We must do some "offset" calculation to get the real time
*
* The register "day" seams to be fixed, and the register "hour"
* has his own mind.
*
* Maybe we can write directly the hour and days since EPOCH
* but in this case the RTC will recalucate to some (other) strange values.
* If you write time to the registers you will not read the same values.
*
* This FIX works pretty fine and Stormlinksemi aka Cortina-Networks does
* the same thing, without the rtc-lib.c calls.
*/
static int gemini_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct gemini_rtc *rtc = dev_get_drvdata(dev);
unsigned int days, hour, min, sec;
unsigned long offset, time;
sec = readl(rtc->base + GEMINI_RTC_SECOND);
min = readl(rtc->base + GEMINI_RTC_MINUTE);
hour = readl(rtc->base + GEMINI_RTC_HOUR);
days = readl(rtc->base + GEMINI_RTC_DAYS);
offset = readl(rtc->base + GEMINI_RTC_RECORD);
time = offset + days * 86400 + hour * 3600 + min * 60 + sec;
rtc_time_to_tm(time, tm);
return 0;
}
/*
* Maybe there is some hidden register to care ?
* looks like register GEMINI_RTC_DAY can count
* 365 days * 179 years >= 65535 (uint16)
*/
static int gemini_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct gemini_rtc *rtc = dev_get_drvdata(dev);
unsigned int sec, min, hour, day;
unsigned long offset, time;
if (tm->tm_year >= 2148) /* EPOCH Year + 179 */
return -EINVAL;
rtc_tm_to_time(tm , &time);
sec = readl(rtc->base + GEMINI_RTC_SECOND);
min = readl(rtc->base + GEMINI_RTC_MINUTE);
hour = readl(rtc->base + GEMINI_RTC_HOUR);
day = readl(rtc->base + GEMINI_RTC_DAYS);
offset = time - (day*86400 + hour*3600 + min*60 + sec);
writel(offset, rtc->base + GEMINI_RTC_RECORD);
writel(0x01, rtc->base + GEMINI_RTC_CR);
return 0;
}
static struct rtc_class_ops gemini_rtc_ops = {
.read_time = gemini_rtc_read_time,
.set_time = gemini_rtc_set_time,
};
static int gemini_rtc_probe(struct platform_device *pdev)
{
struct gemini_rtc *rtc;
struct device *dev = &pdev->dev;
struct resource *res;
int ret;
rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
if (unlikely(!rtc))
return -ENOMEM;
platform_set_drvdata(pdev, rtc);
rtc->irq = platform_get_irq(pdev, 0);
if (rtc->irq < 0) {
ret = -rtc->irq;
goto err_mem;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -ENODEV;
goto err_mem;
}
rtc->base = devm_ioremap(&pdev->dev, res->start,
res->end - res->start + 1);
ret = request_irq(rtc->irq, gemini_rtc_interrupt,
IRQF_SHARED, pdev->name, dev);
if (unlikely(ret))
goto err_mem;
rtc->dev = rtc_device_register(pdev->name, dev,
&gemini_rtc_ops, THIS_MODULE);
if (unlikely(IS_ERR(rtc->dev))) {
ret = PTR_ERR(rtc->dev);
goto err_irq;
}
return 0;
err_irq:
free_irq(rtc->irq, dev);
err_mem:
kfree(rtc);
return ret;
}
static int gemini_rtc_remove(struct platform_device *pdev)
{
struct gemini_rtc *rtc = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
free_irq(rtc->irq, dev);
rtc_device_unregister(rtc->dev);
platform_set_drvdata(pdev, NULL);
kfree(rtc);
return 0;
}
static struct platform_driver gemini_rtc_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
},
.probe = gemini_rtc_probe,
.remove = gemini_rtc_remove,
};
static int __init gemini_rtc_init(void)
{
int retval;
retval = platform_driver_register(&gemini_rtc_driver);
if (retval == 0)
pr_info(DRV_NAME ": registered successfully");
return retval;
}
static void __exit gemini_rtc_exit(void)
{
platform_driver_unregister(&gemini_rtc_driver);
}
module_init(gemini_rtc_init);
module_exit(gemini_rtc_exit);

View file

@ -1,51 +0,0 @@
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1300,6 +1300,15 @@ config RTC_DRV_BFIN
This driver can also be built as a module. If so, the module
will be called rtc-bfin.
+config RTC_DRV_GEMINI
+ tristate "Gemini SoC RTC"
+ help
+ If you say Y here you will get support for the
+ RTC found on Gemini SoC's.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-gemini.
+
config RTC_DRV_RS5C313
tristate "Ricoh RS5C313"
depends on SH_LANDISK
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -65,6 +65,7 @@ obj-$(CONFIG_RTC_DRV_EFI) += rtc-efi.o
obj-$(CONFIG_RTC_DRV_EM3027) += rtc-em3027.o
obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o
obj-$(CONFIG_RTC_DRV_FM3130) += rtc-fm3130.o
+obj-$(CONFIG_RTC_DRV_GEMINI) += rtc-gemini.o
obj-$(CONFIG_RTC_DRV_GENERIC) += rtc-generic.o
obj-$(CONFIG_RTC_DRV_HID_SENSOR_TIME) += rtc-hid-sensor-time.o
obj-$(CONFIG_RTC_DRV_HYM8563) += rtc-hym8563.o
--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
@@ -20,9 +20,9 @@ extern void gemini_map_io(void);
extern void gemini_init_irq(void);
extern void gemini_timer_init(void);
extern void gemini_gpio_init(void);
-extern void platform_register_rtc(void);
/* Common platform devices registration functions */
+extern int platform_register_rtc(void);
extern int platform_register_uart(void);
extern int platform_register_pflash(unsigned int size,
struct mtd_partition *parts,
--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
@@ -17,6 +17,7 @@
#include <mach/irqs.h>
#include <mach/hardware.h>
#include <mach/global_reg.h>
+#include "common.h"
static struct plat_serial8250_port serial_platform_data[] = {
{

View file

@ -1,410 +0,0 @@
--- /dev/null
+++ b/drivers/watchdog/gemini_wdt.c
@@ -0,0 +1,378 @@
+/*
+ * Watchdog driver for Cortina Systems Gemini SoC
+ *
+ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/miscdevice.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/slab.h>
+
+#define GEMINI_WDCOUNTER 0x0
+#define GEMINI_WDLOAD 0x4
+#define GEMINI_WDRESTART 0x8
+
+#define WDRESTART_MAGIC 0x5AB9
+
+#define GEMINI_WDCR 0xC
+
+#define WDCR_CLOCK_5MHZ (1 << 4)
+#define WDCR_SYS_RST (1 << 1)
+#define WDCR_ENABLE (1 << 0)
+
+#define WDT_CLOCK 5000000 /* 5 MHz */
+#define WDT_DEFAULT_TIMEOUT 13
+#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK)
+
+/* status bits */
+#define WDT_ACTIVE 0
+#define WDT_OK_TO_CLOSE 1
+
+static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
+static int nowayout = WATCHDOG_NOWAYOUT;
+
+static DEFINE_SPINLOCK(gemini_wdt_lock);
+
+static struct platform_device *gemini_wdt_dev;
+
+struct gemini_wdt_struct {
+ struct resource *res;
+ struct device *dev;
+ void __iomem *base;
+ unsigned long status;
+};
+
+static struct watchdog_info gemini_wdt_info = {
+ .identity = "Gemini watchdog",
+ .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
+ WDIOF_SETTIMEOUT,
+};
+
+/* Disable the watchdog. */
+static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
+{
+ spin_lock(&gemini_wdt_lock);
+
+ __raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
+
+ clear_bit(WDT_ACTIVE, &gemini_wdt->status);
+
+ spin_unlock(&gemini_wdt_lock);
+}
+
+/* Service the watchdog */
+static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
+{
+ __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
+}
+
+/* Enable and reset the watchdog. */
+static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
+{
+ spin_lock(&gemini_wdt_lock);
+
+ __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
+
+ gemini_wdt_service(gemini_wdt);
+
+ /* set clock before enabling */
+ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
+ gemini_wdt->base + GEMINI_WDCR);
+
+ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
+ gemini_wdt->base + GEMINI_WDCR);
+
+ set_bit(WDT_ACTIVE, &gemini_wdt->status);
+
+ spin_unlock(&gemini_wdt_lock);
+}
+
+/* Watchdog device is opened, and watchdog starts running. */
+static int gemini_wdt_open(struct inode *inode, struct file *file)
+{
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
+
+ if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
+ return -EBUSY;
+
+ file->private_data = gemini_wdt;
+
+ gemini_wdt_start(gemini_wdt);
+
+ return nonseekable_open(inode, file);
+}
+
+/* Close the watchdog device. */
+static int gemini_wdt_close(struct inode *inode, struct file *file)
+{
+ struct gemini_wdt_struct *gemini_wdt = file->private_data;
+
+ /* Disable the watchdog if possible */
+ if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
+ gemini_wdt_stop(gemini_wdt);
+ else
+ dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
+
+ return 0;
+}
+
+/* Handle commands from user-space. */
+static long gemini_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ struct gemini_wdt_struct *gemini_wdt = file->private_data;
+
+ int value;
+
+ switch (cmd) {
+ case WDIOC_KEEPALIVE:
+ gemini_wdt_service(gemini_wdt);
+ return 0;
+
+ case WDIOC_GETSUPPORT:
+ return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
+ sizeof(gemini_wdt_info)) ? -EFAULT : 0;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(value, (int *)arg))
+ return -EFAULT;
+
+ if ((value < 1) || (value > WDT_MAX_TIMEOUT))
+ return -EINVAL;
+
+ timeout = value;
+
+ /* restart wdt to use new timeout */
+ gemini_wdt_stop(gemini_wdt);
+ gemini_wdt_start(gemini_wdt);
+
+ /* Fall through */
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, (int *)arg);
+
+ case WDIOC_GETTIMELEFT:
+ value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
+ return put_user(value / WDT_CLOCK, (int *)arg);
+
+ default:
+ return -ENOTTY;
+ }
+}
+
+/* Refresh the watchdog whenever device is written to. */
+static ssize_t gemini_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
+{
+ struct gemini_wdt_struct *gemini_wdt = file->private_data;
+
+ if (len) {
+ if (!nowayout) {
+ size_t i;
+
+ clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status);
+ for (i = 0; i != len; i++) {
+ char c;
+
+ if (get_user(c, data + i))
+ return -EFAULT;
+ if (c == 'V')
+ set_bit(WDT_OK_TO_CLOSE,
+ &gemini_wdt->status);
+ }
+ }
+ gemini_wdt_service(gemini_wdt);
+ }
+
+ return len;
+}
+
+static const struct file_operations gemini_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .unlocked_ioctl = gemini_wdt_ioctl,
+ .open = gemini_wdt_open,
+ .release = gemini_wdt_close,
+ .write = gemini_wdt_write,
+};
+
+static struct miscdevice gemini_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &gemini_wdt_fops,
+};
+
+static void gemini_wdt_shutdown(struct platform_device *pdev)
+{
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+
+ gemini_wdt_stop(gemini_wdt);
+}
+
+static int gemini_wdt_probe(struct platform_device *pdev)
+{
+ int ret;
+ int res_size;
+ struct resource *res;
+ void __iomem *base;
+ struct gemini_wdt_struct *gemini_wdt;
+ unsigned int reg;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "can't get device resources\n");
+ return -ENODEV;
+ }
+
+ res_size = resource_size(res);
+ if (!request_mem_region(res->start, res_size, res->name)) {
+ dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
+ res_size, res->start);
+ return -ENOMEM;
+ }
+
+ base = ioremap(res->start, res_size);
+ if (!base) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = -EIO;
+ goto fail0;
+ }
+
+ gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
+ if (!gemini_wdt) {
+ dev_err(&pdev->dev, "can't allocate interface\n");
+ ret = -ENOMEM;
+ goto fail1;
+ }
+
+ /* Setup gemini_wdt driver structure */
+ gemini_wdt->base = base;
+ gemini_wdt->res = res;
+
+ /* Set up platform driver data */
+ platform_set_drvdata(pdev, gemini_wdt);
+ gemini_wdt_dev = pdev;
+
+ if (gemini_wdt_miscdev.parent) {
+ ret = -EBUSY;
+ goto fail2;
+ }
+
+ gemini_wdt_miscdev.parent = &pdev->dev;
+
+ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
+ if (reg & WDCR_ENABLE) {
+ /* Watchdog was enabled by the bootloader, disable it. */
+ reg &= ~(WDCR_ENABLE);
+ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
+ }
+
+ ret = misc_register(&gemini_wdt_miscdev);
+ if (ret)
+ goto fail2;
+
+ return 0;
+
+fail2:
+ platform_set_drvdata(pdev, NULL);
+ kfree(gemini_wdt);
+fail1:
+ iounmap(base);
+fail0:
+ release_mem_region(res->start, res_size);
+
+ return ret;
+}
+
+static int gemini_wdt_remove(struct platform_device *pdev)
+{
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+
+ platform_set_drvdata(pdev, NULL);
+ misc_deregister(&gemini_wdt_miscdev);
+ gemini_wdt_dev = NULL;
+ iounmap(gemini_wdt->base);
+ release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
+
+ kfree(gemini_wdt);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
+{
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+ unsigned int reg;
+
+ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
+ reg &= ~(WDCR_WDENABLE);
+ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
+
+ return 0;
+}
+
+static int gemini_wdt_resume(struct platform_device *pdev)
+{
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+ unsigned int reg;
+
+ if (gemini_wdt->status) {
+ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
+ reg |= WDCR_WDENABLE;
+ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
+ }
+
+ return 0;
+}
+#else
+#define gemini_wdt_suspend NULL
+#define gemini_wdt_resume NULL
+#endif
+
+static struct platform_driver gemini_wdt_driver = {
+ .probe = gemini_wdt_probe,
+ .remove = gemini_wdt_remove,
+ .shutdown = gemini_wdt_shutdown,
+ .suspend = gemini_wdt_suspend,
+ .resume = gemini_wdt_resume,
+ .driver = {
+ .name = "gemini-wdt",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init gemini_wdt_init(void)
+{
+ return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
+}
+
+static void __exit gemini_wdt_exit(void)
+{
+ platform_driver_unregister(&gemini_wdt_driver);
+}
+
+module_init(gemini_wdt_init);
+module_exit(gemini_wdt_exit);
+
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
+
+MODULE_AUTHOR("Paulius Zaleckas");
+MODULE_DESCRIPTION("Watchdog driver for Gemini");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:gemini-wdt");
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -198,6 +198,16 @@ config 977_WATCHDOG
Not sure? It's safe to say N.
+config GEMINI_WATCHDOG
+ tristate "Gemini watchdog"
+ depends on ARCH_GEMINI
+ help
+ Say Y here if to include support for the watchdog timer
+ embedded in the Cortina Systems Gemini family of devices.
+
+ To compile this driver as a module, choose M here: the
+ module will be called gemini_wdt.
+
config IXP4XX_WATCHDOG
tristate "IXP4xx Watchdog"
depends on ARCH_IXP4XX
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
obj-$(CONFIG_977_WATCHDOG) += wdt977.o
+obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o

View file

@ -1,33 +0,0 @@
--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
@@ -117,3 +117,20 @@ int __init platform_register_rtc(void)
return platform_device_register(&gemini_rtc_device);
}
+static struct resource wdt_resource = {
+ .start = GEMINI_WAQTCHDOG_BASE,
+ .end = GEMINI_WAQTCHDOG_BASE + 0x18,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device wdt_device = {
+ .name = "gemini-wdt",
+ .id = 0,
+ .resource = &wdt_resource,
+ .num_resources = 1,
+};
+
+int __init platform_register_watchdog(void)
+{
+ return platform_device_register(&wdt_device);
+}
--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
@@ -27,6 +27,7 @@ extern int platform_register_uart(void);
extern int platform_register_pflash(unsigned int size,
struct mtd_partition *parts,
unsigned int nr_parts);
+extern int platform_register_watchdog(void);
extern void gemini_restart(enum reboot_mode mode, const char *cmd);

View file

@ -1,40 +0,0 @@
--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
@@ -95,6 +95,7 @@ static void __init ib4220b_init(void)
platform_device_register(&ib4220b_led_device);
platform_device_register(&ib4220b_key_device);
platform_register_rtc();
+ platform_register_watchdog();
}
MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
@@ -122,6 +122,7 @@ static void __init wbd111_init(void)
platform_device_register(&wbd111_leds_device);
platform_device_register(&wbd111_keys_device);
platform_register_rtc();
+ platform_register_watchdog();
}
MACHINE_START(WBD111, "Wiliboard WBD-111")
--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
@@ -122,6 +122,7 @@ static void __init wbd222_init(void)
platform_device_register(&wbd222_leds_device);
platform_device_register(&wbd222_keys_device);
platform_register_rtc();
+ platform_register_watchdog();
}
MACHINE_START(WBD222, "Wiliboard WBD-222")
--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
@@ -80,6 +80,7 @@ static void __init rut1xx_init(void)
platform_device_register(&rut1xx_leds);
platform_device_register(&rut1xx_keys_device);
platform_register_rtc();
+ platform_register_watchdog();
}
MACHINE_START(RUT100, "Teltonika RUT100")

View file

@ -1,209 +0,0 @@
--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
@@ -28,9 +28,27 @@
#include <mach/hardware.h>
#include <mach/global_reg.h>
+#include <mach/gmac.h>
#include "common.h"
+static struct mdio_gpio_platform_data ib4220b_mdio = {
+ .mdc = 22,
+ .mdio = 21,
+ .phy_mask = ~(1 << 1),
+};
+
+static struct platform_device ib4220b_phy_device = {
+ .name = "mdio-gpio",
+ .id = 0,
+ .dev = { .platform_data = &ib4220b_mdio, },
+};
+
+static struct gemini_gmac_platform_data ib4220b_gmac_data = {
+ .bus_id[0] = "gpio-0:01",
+ .interface[0] = PHY_INTERFACE_MODE_RGMII,
+};
+
static struct gpio_led ib4220b_leds[] = {
{
.name = "nas4220b:orange:hdd",
@@ -87,15 +105,47 @@ static struct platform_device ib4220b_ke
},
};
+static void __init ib4220b_gmac_init(void)
+{
+ unsigned int val;
+
+ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_IO_DRIVING_CTRL));
+ val |= (0x3 << GMAC0_PADS_SHIFT) | (0x3 << GMAC1_PADS_SHIFT);
+ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_IO_DRIVING_CTRL));
+
+ val = (0x0 << GMAC0_RXDV_SKEW_SHIFT) | (0xf << GMAC0_RXC_SKEW_SHIFT) |
+ (0x7 << GMAC0_TXEN_SKEW_SHIFT) | (0xb << GMAC0_TXC_SKEW_SHIFT) |
+ (0x0 << GMAC1_RXDV_SKEW_SHIFT) | (0xf << GMAC1_RXC_SKEW_SHIFT) |
+ (0x7 << GMAC1_TXEN_SKEW_SHIFT) | (0xa << GMAC1_TXC_SKEW_SHIFT);
+ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_GMAC_CTRL_SKEW_CTRL));
+
+ writel(0x77777777, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_GMAC0_DATA_SKEW_CTRL));
+ writel(0x77777777, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_GMAC1_DATA_SKEW_CTRL));
+
+ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_ARBITRATION1_CTRL)) & ~BURST_LENGTH_MASK;
+ val |= (0x20 << BURST_LENGTH_SHIFT) | GMAC0_HIGH_PRIO | GMAC1_HIGH_PRIO;
+ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_ARBITRATION1_CTRL));
+}
+
static void __init ib4220b_init(void)
{
gemini_gpio_init();
+ ib4220b_gmac_init();
platform_register_uart();
platform_register_pflash(SZ_16M, NULL, 0);
platform_device_register(&ib4220b_led_device);
platform_device_register(&ib4220b_key_device);
platform_register_rtc();
platform_register_watchdog();
+ platform_device_register(&ib4220b_phy_device);
+ platform_register_ethernet(&ib4220b_gmac_data);
}
MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
@@ -22,9 +22,29 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
+#include <mach/gmac.h>
#include "common.h"
+static struct mdio_gpio_platform_data wbd111_mdio = {
+ .mdc = 22,
+ .mdio = 21,
+ .phy_mask = ~(1 << 1),
+};
+
+static struct platform_device wbd111_phy_device = {
+ .name = "mdio-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &wbd111_mdio,
+ },
+};
+
+static struct gemini_gmac_platform_data gmac_data = {
+ .bus_id[0] = "gpio-0:01",
+ .interface[0] = PHY_INTERFACE_MODE_MII,
+};
+
static struct gpio_keys_button wbd111_keys[] = {
{
.code = KEY_SETUP,
@@ -123,6 +143,8 @@ static void __init wbd111_init(void)
platform_device_register(&wbd111_keys_device);
platform_register_rtc();
platform_register_watchdog();
+ platform_device_register(&wbd111_phy_device);
+ platform_register_ethernet(&gmac_data);
}
MACHINE_START(WBD111, "Wiliboard WBD-111")
--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
@@ -22,9 +22,31 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
+#include <mach/gmac.h>
#include "common.h"
+static struct mdio_gpio_platform_data wbd222_mdio = {
+ .mdc = 22,
+ .mdio = 21,
+ .phy_mask = ~((1 << 1) | (1 << 3)),
+};
+
+static struct platform_device wbd222_phy_device = {
+ .name = "mdio-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &wbd222_mdio,
+ },
+};
+
+static struct gemini_gmac_platform_data gmac_data = {
+ .bus_id[0] = "gpio-0:01",
+ .interface[0] = PHY_INTERFACE_MODE_MII,
+ .bus_id[1] = "gpio-0:03",
+ .interface[1] = PHY_INTERFACE_MODE_MII,
+};
+
static struct gpio_keys_button wbd222_keys[] = {
{
.code = KEY_SETUP,
@@ -123,6 +145,8 @@ static void __init wbd222_init(void)
platform_device_register(&wbd222_keys_device);
platform_register_rtc();
platform_register_watchdog();
+ platform_device_register(&wbd222_phy_device);
+ platform_register_ethernet(&gmac_data);
}
MACHINE_START(WBD222, "Wiliboard WBD-222")
--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
@@ -15,13 +15,35 @@
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/sizes.h>
+#include <linux/mdio-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
+#include <mach/gmac.h>
+
#include "common.h"
+static struct mdio_gpio_platform_data rut1xx_mdio = {
+ .mdc = 22,
+ .mdio = 21,
+ .phy_mask = ~(1 << 1),
+};
+
+static struct platform_device rut1xx_phy_device = {
+ .name = "mdio-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &rut1xx_mdio,
+ },
+};
+
+static struct gemini_gmac_platform_data gmac_data = {
+ .bus_id[0] = "gpio-0:01",
+ .interface[0] = PHY_INTERFACE_MODE_MII,
+};
+
static struct gpio_keys_button rut1xx_keys[] = {
{
.code = KEY_SETUP,
@@ -81,6 +103,8 @@ static void __init rut1xx_init(void)
platform_device_register(&rut1xx_keys_device);
platform_register_rtc();
platform_register_watchdog();
+ platform_device_register(&rut1xx_phy_device);
+ platform_register_ethernet(&gmac_data);
}
MACHINE_START(RUT100, "Teltonika RUT100")

View file

@ -1,210 +0,0 @@
--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
@@ -188,3 +188,64 @@ int platform_register_ethernet(struct ge
return platform_device_register(&ethernet_device);
}
+
+static struct resource usb0_resources[] = {
+ {
+ .start = GEMINI_USB0_BASE,
+ .end = GEMINI_USB0_BASE + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_USB0,
+ .end = IRQ_USB0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource usb1_resources[] = {
+ {
+ .start = GEMINI_USB1_BASE,
+ .end = GEMINI_USB1_BASE + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_USB1,
+ .end = IRQ_USB1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 usb0_dmamask = 0xffffffffUL;
+static u64 usb1_dmamask = 0xffffffffUL;
+
+static struct platform_device usb_device[] = {
+ {
+ .name = "ehci-fotg2",
+ .id = 0,
+ .dev = {
+ .dma_mask = &usb0_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usb0_resources),
+ .resource = usb0_resources,
+ },
+ {
+ .name = "ehci-fotg2",
+ .id = 1,
+ .dev = {
+ .dma_mask = &usb1_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usb1_resources),
+ .resource = usb1_resources,
+ },
+};
+
+int __init platform_register_usb(unsigned int id)
+{
+ if (id > 1)
+ return -EINVAL;
+
+ return platform_device_register(&usb_device[id]);
+}
+
--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
@@ -30,6 +30,7 @@ extern int platform_register_pflash(unsi
unsigned int nr_parts);
extern int platform_register_watchdog(void);
extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
+extern int platform_register_usb(unsigned int id);
extern void gemini_restart(enum reboot_mode mode, const char *cmd);
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -351,11 +351,13 @@ static void ehci_silence_controller(stru
ehci->rh_state = EHCI_RH_HALTED;
ehci_turn_off_all_ports(ehci);
+#ifndef CONFIG_ARCH_GEMINI
/* make BIOS/etc use companion controller during reboot */
ehci_writel(ehci, 0, &ehci->regs->configured_flag);
/* unblock posted writes */
ehci_readl(ehci, &ehci->regs->configured_flag);
+#endif
spin_unlock_irq(&ehci->lock);
}
@@ -607,7 +609,9 @@ static int ehci_run (struct usb_hcd *hcd
// Philips, Intel, and maybe others need CMD_RUN before the
// root hub will detect new devices (why?); NEC doesn't
ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
+#ifndef CONFIG_ARCH_GEMINI
ehci->command |= CMD_RUN;
+#endif
ehci_writel(ehci, ehci->command, &ehci->regs->command);
dbg_cmd (ehci, "init", ehci->command);
@@ -627,9 +631,11 @@ static int ehci_run (struct usb_hcd *hcd
*/
down_write(&ehci_cf_port_reset_rwsem);
ehci->rh_state = EHCI_RH_RUNNING;
+#ifndef CONFIG_ARCH_GEMINI
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
msleep(5);
+#endif
up_write(&ehci_cf_port_reset_rwsem);
ehci->last_periodic_enable = ktime_get_real();
@@ -767,9 +773,10 @@ static irqreturn_t ehci_irq (struct usb_
pcd_status = status;
/* resume root hub? */
+#ifndef CONFIG_ARCH_GEMINI
if (ehci->rh_state == EHCI_RH_SUSPENDED)
usb_hcd_resume_root_hub(hcd);
-
+#endif
/* get per-port change detect bits */
if (ehci->has_ppcd)
ppcd = status >> 16;
@@ -1250,6 +1257,11 @@ MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_AUTHOR (DRIVER_AUTHOR);
MODULE_LICENSE ("GPL");
+#ifdef CONFIG_ARCH_GEMINI
+#include "ehci-fotg2.c"
+#define PLATFORM_DRIVER ehci_fotg2_driver
+#endif
+
#ifdef CONFIG_USB_EHCI_FSL
#include "ehci-fsl.c"
#define PLATFORM_DRIVER ehci_fsl_driver
--- a/drivers/usb/host/ehci-timer.c
+++ b/drivers/usb/host/ehci-timer.c
@@ -208,7 +208,9 @@ static void ehci_handle_controller_death
/* Clean up the mess */
ehci->rh_state = EHCI_RH_HALTED;
+#ifndef CONFIG_ARCH_GEMINI
ehci_writel(ehci, 0, &ehci->regs->configured_flag);
+#endif
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
ehci_work(ehci);
end_unlink_async(ehci);
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -656,7 +656,12 @@ static inline unsigned int
ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
{
if (ehci_is_TDI(ehci)) {
- switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
+#ifdef CONFIG_ARCH_GEMINI
+ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
+ switch ((portsc>>22)&3) {
+#else
+ switch ((portsc>>26)&3) {
+#endif
case 0:
return 0;
case 1:
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -1075,6 +1075,11 @@ int ehci_hub_control(
/* see what we found out */
temp = check_reset_complete (ehci, wIndex, status_reg,
ehci_readl(ehci, status_reg));
+#ifdef CONFIG_ARCH_GEMINI
+ /* restart schedule */
+ ehci->command |= CMD_RUN;
+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
+#endif
}
/* transfer dedicated ports to the companion hc */
--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
@@ -112,8 +112,13 @@ struct ehci_regs {
u32 frame_list; /* points to periodic list */
/* ASYNCLISTADDR: offset 0x18 */
u32 async_next; /* address of next async queue head */
-
+#ifndef CONFIG_ARCH_GEMINI
u32 reserved1[2];
+#else
+ u32 reserved1;
+ /* PORTSC: offset 0x20 for Faraday OTG */
+ u32 port_status[1];
+#endif
/* TXFILLTUNING: offset 0x24 */
u32 txfill_tuning; /* TX FIFO Tuning register */
@@ -125,8 +130,11 @@ struct ehci_regs {
u32 configured_flag;
#define FLAG_CF (1<<0) /* true: we'll support "high speed" */
+#ifndef CONFIG_ARCH_GEMINI
/* PORTSC: offset 0x44 */
u32 port_status[0]; /* up to N_PORTS */
+#endif
+
/* EHCI 1.1 addendum */
#define PORTSC_SUSPEND_STS_ACK 0
#define PORTSC_SUSPEND_STS_NYET 1

View file

@ -1,389 +0,0 @@
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -381,6 +381,7 @@ config ARCH_GEMINI
select CLKSRC_MMIO
select CPU_FA526
select GENERIC_CLOCKEVENTS
+ select MIGHT_HAVE_PCI
help
Support for the Cortina Systems Gemini family SoCs
--- a/arch/arm/mach-gemini/include/mach/hardware.h
+++ b/arch/arm/mach-gemini/include/mach/hardware.h
@@ -71,4 +71,9 @@
*/
#define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
+/*
+ * PCI subsystem macros
+ */
+#define pcibios_assign_all_busses() 1
+
#endif
--- a/arch/arm/mach-gemini/include/mach/irqs.h
+++ b/arch/arm/mach-gemini/include/mach/irqs.h
@@ -43,11 +43,14 @@
#define NORMAL_IRQ_NUM 32
-#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
+#define PCI_IRQ_BASE NORMAL_IRQ_NUM
+#define PCI_IRQ_NUM 4
+
+#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM)
#define GPIO_IRQ_NUM (3 * 32)
#define ARCH_TIMER_IRQ IRQ_TIMER2
-#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
+#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
#endif /* __MACH_IRQS_H__ */
--- a/arch/arm/mach-gemini/Makefile
+++ b/arch/arm/mach-gemini/Makefile
@@ -6,6 +6,8 @@
obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o
+obj-$(CONFIG_PCI) += pci.o
+
# Board-specific support
obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o
--- a/arch/arm/mach-gemini/mm.c
+++ b/arch/arm/mach-gemini/mm.c
@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
.length = SZ_512K,
.type = MT_DEVICE,
}, {
+ .virtual = (unsigned long)IO_ADDRESS(GEMINI_PCI_IO_BASE),
+ .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE),
+ .length = SZ_512K,
+ .type = MT_DEVICE,
+ }, {
.virtual = (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
.pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
.length = SZ_512K,
--- /dev/null
+++ b/arch/arm/mach-gemini/pci.c
@@ -0,0 +1,320 @@
+/*
+ * Support for Gemini PCI Controller
+ *
+ * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
+ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * based on SL2312 PCI controller code
+ * Storlink (C) 2003
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/pci.h>
+
+#include <mach/irqs.h>
+#include <mach/hardware.h>
+
+#define GEMINI_PCI_IOSIZE_1M 0x0000
+
+#define GEMINI_PCI_PMC 0x40
+#define GEMINI_PCI_PMCSR 0x44
+#define GEMINI_PCI_CTRL1 0x48
+#define GEMINI_PCI_CTRL2 0x4C
+#define GEMINI_PCI_MEM1_BASE_SIZE 0x50
+#define GEMINI_PCI_MEM2_BASE_SIZE 0x54
+#define GEMINI_PCI_MEM3_BASE_SIZE 0x58
+
+#define PCI_CTRL2_INTSTS_OFFSET 28
+#define PCI_CTRL2_INTMASK_OFFSET 22
+
+#define GEMINI_PCI_DMA_MASK 0xFFF00000
+#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000
+#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000
+#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000
+#define GEMINI_PCI_DMA_MEM1_SIZE 7
+#define GEMINI_PCI_DMA_MEM2_SIZE 6
+#define GEMINI_PCI_DMA_MEM3_SIZE 6
+
+#define PCI_CONF_ENABLE (1 << 31)
+#define PCI_CONF_WHERE(r) ((r) & 0xFC)
+#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16)
+#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11)
+#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8)
+
+#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE))
+#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04)
+#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08)
+#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10)
+#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28)
+#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C)
+
+
+static DEFINE_SPINLOCK(gemini_pci_lock);
+
+static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn,
+ int config, int size, u32* value)
+{
+ unsigned long irq_flags;
+
+ spin_lock_irqsave(&gemini_pci_lock, irq_flags);
+
+ __raw_writel(PCI_CONF_BUS(bus->number) |
+ PCI_CONF_DEVICE(PCI_SLOT(fn)) |
+ PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
+ PCI_CONF_WHERE(config) |
+ PCI_CONF_ENABLE,
+ PCI_CONFIG_REG);
+
+ *value = __raw_readl(PCI_DATA_REG);
+
+ if (size == 1)
+ *value = (*value >> (8 * (config & 3))) & 0xFF;
+ else if (size == 2)
+ *value = (*value >> (8 * (config & 3))) & 0xFFFF;
+
+ spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
+
+ dev_dbg(&bus->dev,
+ "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
+ PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value);
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn,
+ int config, int size, u32 value)
+{
+ unsigned long irq_flags = 0;
+ int ret = PCIBIOS_SUCCESSFUL;
+
+ dev_dbg(&bus->dev,
+ "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
+ PCI_SLOT(fn), PCI_FUNC(fn), config, size, value);
+
+ spin_lock_irqsave(&gemini_pci_lock, irq_flags);
+
+ __raw_writel(PCI_CONF_BUS(bus->number) |
+ PCI_CONF_DEVICE(PCI_SLOT(fn)) |
+ PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
+ PCI_CONF_WHERE(config) |
+ PCI_CONF_ENABLE,
+ PCI_CONFIG_REG);
+
+ switch(size) {
+ case 4:
+ __raw_writel(value, PCI_DATA_REG);
+ break;
+ case 2:
+ __raw_writew(value, PCI_DATA_REG + (config & 3));
+ break;
+ case 1:
+ __raw_writeb(value, PCI_DATA_REG + (config & 3));
+ break;
+ default:
+ ret = PCIBIOS_BAD_REGISTER_NUMBER;
+ }
+
+ spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
+
+ return ret;
+}
+
+static struct pci_ops gemini_pci_ops = {
+ .read = gemini_pci_read_config,
+ .write = gemini_pci_write_config,
+};
+
+static struct resource gemini_pci_resource_io = {
+ .name = "PCI I/O Space",
+ .start = GEMINI_PCI_IO_BASE,
+ .end = GEMINI_PCI_IO_BASE + SZ_1M - 1,
+ .flags = IORESOURCE_IO,
+};
+
+static struct resource gemini_pci_resource_mem = {
+ .name = "PCI Memory Space",
+ .start = GEMINI_PCI_MEM_BASE,
+ .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static int __init gemini_pci_request_resources(struct pci_sys_data *sys)
+{
+ if (request_resource(&ioport_resource, &gemini_pci_resource_io))
+ goto bad_resources;
+ if (request_resource(&iomem_resource, &gemini_pci_resource_mem))
+ goto bad_resources;
+
+ pci_add_resource(&sys->resources, &gemini_pci_resource_io);
+ pci_add_resource(&sys->resources, &gemini_pci_resource_mem);
+
+ return 0;
+
+bad_resources:
+ pr_err("Gemini PCI: request_resource() failed. "
+ "Abort PCI bus enumeration.\n");
+ return -1;
+}
+
+static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys)
+{
+ unsigned int cmd;
+
+ pcibios_min_io = 0x100;
+ pcibios_min_mem = 0;
+
+ if ((nr > 0) || gemini_pci_request_resources(sys))
+ return 0;
+
+ /* setup I/O space to 1MB size */
+ __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG);
+
+ /* setup hostbridge */
+ cmd = __raw_readl(PCI_CTRL_REG);
+ cmd |= PCI_COMMAND_IO;
+ cmd |= PCI_COMMAND_MEMORY;
+ cmd |= PCI_COMMAND_MASTER;
+ __raw_writel(cmd, PCI_CTRL_REG);
+
+ return 1;
+}
+
+static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys)
+{
+ unsigned int reg = 0;
+ struct pci_bus* bus = 0;
+
+ bus = pci_scan_bus(nr, &gemini_pci_ops, sys);
+ if (bus) {
+ dev_dbg(&bus->dev, "setting up PCI DMA\n");
+ reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK)
+ | (GEMINI_PCI_DMA_MEM1_SIZE << 16);
+ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg);
+ reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK)
+ | (GEMINI_PCI_DMA_MEM2_SIZE << 16);
+ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg);
+ reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK)
+ | (GEMINI_PCI_DMA_MEM3_SIZE << 16);
+ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg);
+ }
+
+ return bus;
+}
+
+/* Should work with all boards based on original Storlink EVB */
+static int __init gemini_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ if (slot < 9 || slot > 12)
+ return -1;
+
+ return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3);
+}
+
+static struct hw_pci gemini_hw_pci __initdata = {
+ .nr_controllers = 1,
+ .setup = gemini_pci_setup,
+ .scan = gemini_pci_scan_bus,
+ .map_irq = gemini_pci_map_irq,
+};
+
+/* we need this for muxed PCI interrupts handling */
+static struct pci_bus bogus_pci_bus;
+
+static void gemini_pci_ack_irq(struct irq_data *d)
+{
+ unsigned int irq = d->irq;
+ unsigned int reg;
+
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+ reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
+ reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET);
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
+}
+
+static void gemini_pci_mask_irq(struct irq_data *d)
+{
+ unsigned int irq = d->irq;
+ unsigned int reg;
+
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+ reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET)
+ | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET)));
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
+}
+
+static void gemini_pci_unmask_irq(struct irq_data *d)
+{
+ unsigned int irq = d->irq;
+ unsigned int reg;
+
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+ reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
+ reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET);
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
+}
+
+static void gemini_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+ unsigned int pci_irq_no, irq_stat, reg, i;
+
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+ irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET;
+
+ for (i = 0; i < 4; i++) {
+
+ if ((irq_stat & (1 << i)) == 0)
+ continue;
+
+ pci_irq_no = PCI_IRQ_BASE + i;
+
+ BUG_ON(!(irq_desc[pci_irq_no].handle_irq));
+ irq_desc[pci_irq_no].handle_irq(pci_irq_no,
+ &irq_desc[pci_irq_no]);
+ }
+}
+
+static struct irq_chip gemini_pci_irq_chip = {
+ .name = "PCI",
+ .irq_ack = gemini_pci_ack_irq,
+ .irq_mask = gemini_pci_mask_irq,
+ .irq_unmask = gemini_pci_unmask_irq,
+};
+
+static int __init gemini_pci_init(void)
+{
+ int i;
+
+ for (i = 72; i <= 95; i++)
+ gpio_request(i, "PCI");
+
+ /* initialize our bogus bus */
+ dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler");
+ bogus_pci_bus.number = 0;
+
+ /* mask and clear all interrupts */
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2,
+ 0xF000);
+
+ for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) {
+ irq_set_chip_and_handler(i, &gemini_pci_irq_chip,
+ handle_level_irq);
+ set_irq_flags(i, IRQF_VALID);
+ }
+
+ irq_set_chained_handler(IRQ_PCI, gemini_pci_irq_handler);
+
+ pci_common_init(&gemini_hw_pci);
+
+ return 0;
+}
+
+subsys_initcall(gemini_pci_init);

View file

@ -1,192 +0,0 @@
--- a/arch/arm/mach-gemini/include/mach/global_reg.h
+++ b/arch/arm/mach-gemini/include/mach/global_reg.h
@@ -227,7 +227,13 @@
#define USB0_PLUG_MINIB (1 << 29)
#define GMAC_GMII (1 << 28)
#define GMAC_1_ENABLE (1 << 27)
-/* TODO: define ATA/SATA bits */
+/* 011 - ata0 <-> sata0, sata1; bring out ata1
+ * 010 - ata1 <-> sata1, sata0; bring out ata0
+ * 001 - ata0 <-> sata0, ata1 <-> sata1; bring out ata1
+ * 000 - ata0 <-> sata0, ata1 <-> sata1; bring out ata0 */
+#define IDE_IOMUX_MASK (7 << 24)
+#define IDE_IOMUX_SATA1_SATA0 (2 << 24)
+#define IDE_IOMUX_SATA0_SATA1 (3 << 24)
#define USB1_VBUS_ON (1 << 23)
#define USB0_VBUS_ON (1 << 22)
#define APB_CLKOUT_ENABLE (1 << 21)
--- a/arch/arm/mach-gemini/irq.c
+++ b/arch/arm/mach-gemini/irq.c
@@ -89,6 +89,9 @@ void __init gemini_init_irq(void)
irq_set_handler(i, handle_edge_irq);
mode |= 1 << i;
level |= 1 << i;
+ } else if (i >= IRQ_IDE0 && i <= IRQ_IDE1) {
+ irq_set_handler(i, handle_edge_irq);
+ mode |= 1 << i;
} else {
irq_set_handler(i, handle_level_irq);
}
--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
@@ -31,6 +31,7 @@ extern int platform_register_pflash(unsi
extern int platform_register_watchdog(void);
extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
extern int platform_register_usb(unsigned int id);
+extern int platform_register_pata(unsigned int id);
extern void gemini_restart(enum reboot_mode mode, const char *cmd);
--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
@@ -249,3 +249,67 @@ int __init platform_register_usb(unsigne
return platform_device_register(&usb_device[id]);
}
+static u64 pata_gemini_dmamask0 = 0xffffffffUL;
+static u64 pata_gemini_dmamask1 = 0xffffffffUL;
+
+static struct resource pata_gemini_resources0[] =
+{
+ [0] = {
+ .start = GEMINI_IDE0_BASE,
+ .end = GEMINI_IDE0_BASE + 0x40,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IDE0,
+ .end = IRQ_IDE0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource pata_gemini_resources1[] =
+{
+ [0] = {
+ .start = GEMINI_IDE1_BASE,
+ .end = GEMINI_IDE1_BASE + 0x40,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IDE1,
+ .end = IRQ_IDE1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device pata_gemini_devices[] =
+{
+ {
+ .name = "pata-gemini",
+ .id = 0,
+ .dev =
+ {
+ .dma_mask = &pata_gemini_dmamask0,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(pata_gemini_resources0),
+ .resource = pata_gemini_resources0,
+ },
+ {
+ .name = "pata-gemini",
+ .id = 1,
+ .dev =
+ {
+ .dma_mask = &pata_gemini_dmamask1,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(pata_gemini_resources1),
+ .resource = pata_gemini_resources1,
+ },
+};
+
+int __init platform_register_pata(unsigned int id)
+{
+ if (id > 1)
+ return -EINVAL;
+
+ return platform_device_register(&pata_gemini_devices[id]);
+}
--- a/arch/arm/mach-gemini/mm.c
+++ b/arch/arm/mach-gemini/mm.c
@@ -24,6 +24,11 @@ static struct map_desc gemini_io_desc[]
.length = SZ_512K,
.type = MT_DEVICE,
}, {
+ .virtual = (unsigned long)IO_ADDRESS(GEMINI_SATA_BASE),
+ .pfn = __phys_to_pfn(GEMINI_SATA_BASE),
+ .length = SZ_512K,
+ .type = MT_DEVICE,
+ }, {
.virtual = (unsigned long)IO_ADDRESS(GEMINI_UART_BASE),
.pfn = __phys_to_pfn(GEMINI_UART_BASE),
.length = SZ_512K,
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -537,6 +537,16 @@ config PATA_EP93XX
If unsure, say N.
+config PATA_GEMINI
+ tristate "Gemini PATA support (Experimental)"
+ depends on ARCH_GEMINI
+ help
+ This option enables support for the Gemini PATA-Controller.
+ Note that the Gemini SoC has no native SATA-Controller but an
+ onboard PATA-SATA bridge.
+
+ If unsure, say N.
+
config PATA_HPT366
tristate "HPT 366/368 PATA support"
depends on PCI
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_PATA_CS5536) += pata_cs5536
obj-$(CONFIG_PATA_CYPRESS) += pata_cypress.o
obj-$(CONFIG_PATA_EFAR) += pata_efar.o
obj-$(CONFIG_PATA_EP93XX) += pata_ep93xx.o
+obj-$(CONFIG_PATA_GEMINI) += pata_gemini.o
obj-$(CONFIG_PATA_HPT366) += pata_hpt366.o
obj-$(CONFIG_PATA_HPT37X) += pata_hpt37x.o
obj-$(CONFIG_PATA_HPT3X2N) += pata_hpt3x2n.o
--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
@@ -146,11 +146,28 @@ static void __init usb_ib4220b_init(void
GLOBAL_MISC_CTRL));
}
+static void __init sata_ib4220b_init(void)
+{
+ unsigned val;
+
+ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_MISC_CTRL));
+ val &= ~(IDE_IOMUX_MASK | PFLASH_PADS_DISABLE);
+ val |= IDE_PADS_ENABLE;
+ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_MISC_CTRL));
+
+ /* enabling ports for presence detection, master only */
+ writel(0x00000001, (void __iomem*)(IO_ADDRESS(GEMINI_SATA_BASE) + 0x18));
+ writel(0x00000001, (void __iomem*)(IO_ADDRESS(GEMINI_SATA_BASE) + 0x1c));
+}
+
static void __init ib4220b_init(void)
{
gemini_gpio_init();
ib4220b_gmac_init();
usb_ib4220b_init();
+ sata_ib4220b_init();
platform_register_uart();
platform_register_pflash(SZ_16M, NULL, 0);
platform_device_register(&ib4220b_led_device);
@@ -161,6 +178,8 @@ static void __init ib4220b_init(void)
platform_register_ethernet(&ib4220b_gmac_data);
platform_register_usb(0);
platform_register_usb(1);
+ platform_register_pata(0);
+ platform_register_pata(1);
}
MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")

View file

@ -1,242 +0,0 @@
--- a/arch/arm/mach-gemini/time.c
+++ b/arch/arm/mach-gemini/time.c
@@ -15,15 +15,18 @@
#include <asm/mach/time.h>
#include <linux/clockchips.h>
#include <linux/clocksource.h>
+#include <linux/sched_clock.h>
/*
* Register definitions for the timers
*/
-#define TIMER_COUNT(BASE_ADDR) (BASE_ADDR + 0x00)
-#define TIMER_LOAD(BASE_ADDR) (BASE_ADDR + 0x04)
-#define TIMER_MATCH1(BASE_ADDR) (BASE_ADDR + 0x08)
-#define TIMER_MATCH2(BASE_ADDR) (BASE_ADDR + 0x0C)
-#define TIMER_CR(BASE_ADDR) (BASE_ADDR + 0x30)
+#define TIMER_COUNT(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x00)
+#define TIMER_LOAD(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x04)
+#define TIMER_MATCH1(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x08)
+#define TIMER_MATCH2(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x0C)
+#define TIMER_CR(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x30)
+#define TIMER_INTR_STATE(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x34)
+#define TIMER_INTR_MASK(BASE_ADDR) (IO_ADDRESS(BASE_ADDR) + 0x38)
#define TIMER_1_CR_ENABLE (1 << 0)
#define TIMER_1_CR_CLOCK (1 << 1)
@@ -34,27 +37,38 @@
#define TIMER_3_CR_ENABLE (1 << 6)
#define TIMER_3_CR_CLOCK (1 << 7)
#define TIMER_3_CR_INT (1 << 8)
+#define TIMER_1_CR_UPDOWN (1 << 9)
+#define TIMER_2_CR_UPDOWN (1 << 10)
+#define TIMER_3_CR_UPDOWN (1 << 11)
+
+#define TIMER_1_INT_MATCH1 (1 << 0)
+#define TIMER_1_INT_MATCH2 (1 << 1)
+#define TIMER_1_INT_OVERFLOW (1 << 2)
+#define TIMER_2_INT_MATCH1 (1 << 3)
+#define TIMER_2_INT_MATCH2 (1 << 4)
+#define TIMER_2_INT_OVERFLOW (1 << 5)
+#define TIMER_3_INT_MATCH1 (1 << 6)
+#define TIMER_3_INT_MATCH2 (1 << 7)
+#define TIMER_3_INT_OVERFLOW (1 << 8)
+#define TIMER_INT_ALL_MASK 0x1ff
static unsigned int tick_rate;
+static u64 notrace gemini_read_sched_clock(void)
+{
+ return readl(TIMER_COUNT(GEMINI_TIMER3_BASE));
+}
+
static int gemini_timer_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
u32 cr;
- cr = readl(TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
-
- /* This may be overdoing it, feel free to test without this */
- cr &= ~TIMER_2_CR_ENABLE;
- cr &= ~TIMER_2_CR_INT;
- writel(cr, TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
-
- /* Set next event */
- writel(cycles, TIMER_COUNT(IO_ADDRESS(GEMINI_TIMER2_BASE)));
- writel(cycles, TIMER_LOAD(IO_ADDRESS(GEMINI_TIMER2_BASE)));
- cr |= TIMER_2_CR_ENABLE;
- cr |= TIMER_2_CR_INT;
- writel(cr, TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
+ /* Setup the match register */
+ cr = readl(TIMER_COUNT(GEMINI_TIMER1_BASE));
+ writel(cr + cycles, TIMER_MATCH1(GEMINI_TIMER1_BASE));
+ if (readl(TIMER_COUNT(GEMINI_TIMER1_BASE)) - cr > cycles)
+ return -ETIME;
return 0;
}
@@ -66,48 +80,68 @@ static void gemini_timer_set_mode(enum c
u32 cr;
switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- /* Start the timer */
- writel(period,
- TIMER_COUNT(IO_ADDRESS(GEMINI_TIMER2_BASE)));
- writel(period,
- TIMER_LOAD(IO_ADDRESS(GEMINI_TIMER2_BASE)));
- cr = readl(TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
- cr |= TIMER_2_CR_ENABLE;
- cr |= TIMER_2_CR_INT;
- writel(cr, TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
+ case CLOCK_EVT_MODE_PERIODIC:
+ /* Stop timer and interrupt. */
+ cr = readl(TIMER_CR(GEMINI_TIMER_BASE));
+ cr &= ~(TIMER_1_CR_ENABLE | TIMER_1_CR_INT);
+ writel(cr, TIMER_CR(GEMINI_TIMER_BASE));
+
+ /* Setup timer to fire at 1/HZ intervals. */
+ cr = 0xffffffff - (period - 1);
+ writel(cr, TIMER_COUNT(GEMINI_TIMER1_BASE));
+ writel(cr, TIMER_LOAD(GEMINI_TIMER1_BASE));
+
+ /* enable interrupt on overflaw */
+ cr = readl(TIMER_INTR_MASK(GEMINI_TIMER_BASE));
+ cr &= ~(TIMER_1_INT_MATCH1 | TIMER_1_INT_MATCH2);
+ cr |= TIMER_1_INT_OVERFLOW;
+ writel(cr, TIMER_INTR_MASK(GEMINI_TIMER_BASE));
+
+ /* start the timer */
+ cr = readl(TIMER_CR(GEMINI_TIMER_BASE));
+ cr |= TIMER_1_CR_ENABLE | TIMER_1_CR_INT;
+ writel(cr, TIMER_CR(GEMINI_TIMER_BASE));
break;
+
case CLOCK_EVT_MODE_ONESHOT:
case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ /* Stop timer and interrupt. */
+ cr = readl(TIMER_CR(GEMINI_TIMER_BASE));
+ cr &= ~(TIMER_1_CR_ENABLE | TIMER_1_CR_INT);
+ writel(cr, TIMER_CR(GEMINI_TIMER_BASE));
+
+ /* Setup counter start from 0 */
+ writel(0, TIMER_COUNT(GEMINI_TIMER1_BASE));
+ writel(0, TIMER_LOAD(GEMINI_TIMER1_BASE));
+
+ /* enable interrupt */
+ cr = readl(TIMER_INTR_MASK(GEMINI_TIMER_BASE));
+ cr &= ~(TIMER_1_INT_OVERFLOW | TIMER_1_INT_MATCH2);
+ cr |= TIMER_1_INT_MATCH1;
+ writel(cr, TIMER_INTR_MASK(GEMINI_TIMER_BASE));
+
+ /* start the timer */
+ cr = readl(TIMER_CR(GEMINI_TIMER_BASE));
+ cr |= TIMER_1_CR_ENABLE;
+ writel(cr, TIMER_CR(GEMINI_TIMER_BASE));
+ break;
+
case CLOCK_EVT_MODE_RESUME:
- /*
- * Disable also for oneshot: the set_next() call will
- * arm the timer instead.
- */
- cr = readl(TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
- cr &= ~TIMER_2_CR_ENABLE;
- cr &= ~TIMER_2_CR_INT;
- writel(cr, TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
break;
- default:
- break;
}
}
-/* Use TIMER2 as clock event */
static struct clock_event_device gemini_clockevent = {
- .name = "TIMER2",
- .rating = 300, /* Reasonably fast and accurate clock event */
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = gemini_timer_set_next_event,
- .set_mode = gemini_timer_set_mode,
+ .name = "gemini_timer_1",
+ .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+ .shift = 32,
+ .rating = 300,
+ .set_next_event = gemini_timer_set_next_event,
+ .set_mode = gemini_timer_set_mode,
};
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t gemini_timer_interrupt(int irq, void *dev_id)
+static irqreturn_t gemini_timer_intr(int irq, void *dev_id)
{
struct clock_event_device *evt = &gemini_clockevent;
@@ -116,14 +150,11 @@ static irqreturn_t gemini_timer_interrup
}
static struct irqaction gemini_timer_irq = {
- .name = "Gemini Timer Tick",
+ .name = "gemini timer 1",
.flags = IRQF_TIMER,
- .handler = gemini_timer_interrupt,
+ .handler = gemini_timer_intr,
};
-/*
- * Set up timer interrupt, and return the current time in seconds.
- */
void __init gemini_timer_init(void)
{
u32 reg_v;
@@ -151,20 +182,35 @@ void __init gemini_timer_init(void)
}
/*
- * Make irqs happen for the system timer
+ * Reset the interrupt mask and status
*/
- setup_irq(IRQ_TIMER2, &gemini_timer_irq);
+ writel(TIMER_INT_ALL_MASK, TIMER_INTR_MASK(GEMINI_TIMER_BASE));
+ writel(0, TIMER_INTR_STATE(GEMINI_TIMER_BASE));
+ writel(TIMER_1_CR_UPDOWN | TIMER_3_CR_ENABLE | TIMER_3_CR_UPDOWN,
+ TIMER_CR(GEMINI_TIMER_BASE));
- /* Enable and use TIMER1 as clock source */
- writel(0xffffffff, TIMER_COUNT(IO_ADDRESS(GEMINI_TIMER1_BASE)));
- writel(0xffffffff, TIMER_LOAD(IO_ADDRESS(GEMINI_TIMER1_BASE)));
- writel(TIMER_1_CR_ENABLE, TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE)));
- if (clocksource_mmio_init(TIMER_COUNT(IO_ADDRESS(GEMINI_TIMER1_BASE)),
- "TIMER1", tick_rate, 300, 32,
- clocksource_mmio_readl_up))
- pr_err("timer: failed to initialize gemini clock source\n");
+ /*
+ * Setup free-running clocksource timer (interrupts
+ * disabled.)
+ */
+ writel(0, TIMER_COUNT(GEMINI_TIMER3_BASE));
+ writel(0, TIMER_LOAD(GEMINI_TIMER3_BASE));
+ writel(0, TIMER_MATCH1(GEMINI_TIMER3_BASE));
+ writel(0, TIMER_MATCH2(GEMINI_TIMER3_BASE));
+ clocksource_mmio_init(TIMER_COUNT(GEMINI_TIMER3_BASE),
+ "gemini_clocksource", tick_rate,
+ 300, 32, clocksource_mmio_readl_up);
+ sched_clock_register(gemini_read_sched_clock, 32, tick_rate);
- /* Configure and register the clockevent */
+ /*
+ * Setup clockevent timer (interrupt-driven.)
+ */
+ writel(0, TIMER_COUNT(GEMINI_TIMER1_BASE));
+ writel(0, TIMER_LOAD(GEMINI_TIMER1_BASE));
+ writel(0, TIMER_MATCH1(GEMINI_TIMER1_BASE));
+ writel(0, TIMER_MATCH2(GEMINI_TIMER1_BASE));
+ setup_irq(IRQ_TIMER1, &gemini_timer_irq);
+ gemini_clockevent.cpumask = cpumask_of(0);
clockevents_config_and_register(&gemini_clockevent, tick_rate,
1, 0xffffffff);
}

View file

@ -1,21 +0,0 @@
--- a/arch/arm/mach-gemini/gpio.c
+++ b/arch/arm/mach-gemini/gpio.c
@@ -196,12 +196,18 @@ static int gemini_gpio_direction_output(
return 0;
}
+static int gemini_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ return gpio + GPIO_IRQ_BASE;
+}
+
static struct gpio_chip gemini_gpio_chip = {
.label = "Gemini",
.direction_input = gemini_gpio_direction_input,
.get = gemini_gpio_get,
.direction_output = gemini_gpio_direction_output,
.set = gemini_gpio_set,
+ .to_irq = gemini_gpio_to_irq,
.base = 0,
.ngpio = GPIO_PORT_NUM * 32,
};

View file

@ -1,41 +0,0 @@
--- a/arch/arm/mm/cache-fa.S
+++ b/arch/arm/mm/cache-fa.S
@@ -24,7 +24,8 @@
/*
* The size of one data cache line.
*/
-#define CACHE_DLINESIZE 16
+#define CACHE_DLINESIZE 16
+#define CACHE_DLINESHIFT 4
/*
* The total size of the data cache.
@@ -169,7 +170,17 @@ ENTRY(fa_flush_kern_dcache_area)
* - start - virtual start address
* - end - virtual end address
*/
+__flush_whole_dcache:
+ mcr p15, 0, r0, c7, c14, 0 @ clean/invalidate D cache
+ mov r0, #0
+ mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
+ mov pc, lr
+
fa_dma_inv_range:
+ sub r3, r1, r0 @ calculate total size
+ cmp r3, #CACHE_DLIMIT @ total size >= limit?
+ bhs __flush_whole_dcache @ flush whole D cache
+
tst r0, #CACHE_DLINESIZE - 1
bic r0, r0, #CACHE_DLINESIZE - 1
mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D entry
@@ -193,6 +204,10 @@ fa_dma_inv_range:
* - end - virtual end address
*/
fa_dma_clean_range:
+ sub r3, r1, r0 @ calculate total size
+ cmp r3, #CACHE_DLIMIT @ total size >= limit?
+ bhs __flush_whole_dcache @ flush whole D cache
+
bic r0, r0, #CACHE_DLINESIZE - 1
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
add r0, r0, #CACHE_DLINESIZE

View file

@ -1,65 +0,0 @@
--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
@@ -145,6 +145,7 @@ static void __init wbd111_init(void)
platform_register_watchdog();
platform_device_register(&wbd111_phy_device);
platform_register_ethernet(&gmac_data);
+ platform_register_usb(0);
}
MACHINE_START(WBD111, "Wiliboard WBD-111")
--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
@@ -147,6 +147,7 @@ static void __init wbd222_init(void)
platform_register_watchdog();
platform_device_register(&wbd222_phy_device);
platform_register_ethernet(&gmac_data);
+ platform_register_usb(0);
}
MACHINE_START(WBD222, "Wiliboard WBD-222")
--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
@@ -105,6 +105,7 @@ static void __init rut1xx_init(void)
platform_register_watchdog();
platform_device_register(&rut1xx_phy_device);
platform_register_ethernet(&gmac_data);
+ platform_register_usb(0);
}
MACHINE_START(RUT100, "Teltonika RUT100")
--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
@@ -134,10 +134,23 @@ static void __init ib4220b_gmac_init(voi
GLOBAL_ARBITRATION1_CTRL));
}
+static void __init usb_ib4220b_init(void)
+{
+ unsigned int val;
+
+ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_MISC_CTRL));
+ val &= ~(USB0_PLUG_MINIB | USB1_PLUG_MINIB);
+ val |= USB0_VBUS_ON | USB1_VBUS_ON;
+ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_MISC_CTRL));
+}
+
static void __init ib4220b_init(void)
{
gemini_gpio_init();
ib4220b_gmac_init();
+ usb_ib4220b_init();
platform_register_uart();
platform_register_pflash(SZ_16M, NULL, 0);
platform_device_register(&ib4220b_led_device);
@@ -146,6 +159,8 @@ static void __init ib4220b_init(void)
platform_register_watchdog();
platform_device_register(&ib4220b_phy_device);
platform_register_ethernet(&ib4220b_gmac_data);
+ platform_register_usb(0);
+ platform_register_usb(1);
}
MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")

View file

@ -1,5 +0,0 @@
CONFIG_CMDLINE="rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=128M mtdparts=physmap-flash.0:128k(BOOT),3072k(Kern),6144k(Ramdisk),6144k(Application),128k(VCTL),640k(CurConf),128k(FIS-directory),12288k@0x320000(rootfs),15360k@0x20000(firmware) root=/dev/mtdblock7"
CONFIG_MACH_NAS4220B=y
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_SPLIT_FIRMWARE=y

View file

@ -1,5 +0,0 @@
CONFIG_CMDLINE="rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=128M mtdparts=physmap-flash.0:128k(BOOT),3072k(Kern),6144k(Ramdisk),6144k(Application),128k(VCTL),640k(CurConf),128k(FIS-directory),12288k@0x320000(rootfs),15360k@0x20000(firmware) root=/dev/mtdblock7"
CONFIG_MACH_NAS4220B=y
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_SPLIT_FIRMWARE=y