From 01e84cef1a988834b444b7bebba15f5268873d35 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sun, 8 Apr 2007 10:15:17 +0000 Subject: [PATCH] Rename mipsIRQ.S to int-handler to match the kernel naming convention, implement basic board detection, rewrite usb HCD driver (to be tested) SVN-Revision: 6893 --- target/linux/adm5120-2.6/config/default | 25 ++- .../files/arch/mips/adm5120/Makefile | 2 +- .../files/arch/mips/adm5120/adm5120_info.c | 11 +- .../mips/adm5120/{mipsIRQ.S => int-handler.S} | 0 .../files/drivers/usb/host/adm5120-hcd.c | 153 ++++++++++++------ 5 files changed, 137 insertions(+), 54 deletions(-) rename target/linux/adm5120-2.6/files/arch/mips/adm5120/{mipsIRQ.S => int-handler.S} (100%) diff --git a/target/linux/adm5120-2.6/config/default b/target/linux/adm5120-2.6/config/default index 5cd765276d..f4d1208eb1 100644 --- a/target/linux/adm5120-2.6/config/default +++ b/target/linux/adm5120-2.6/config/default @@ -7,6 +7,10 @@ CONFIG_BASE_SMALL=0 CONFIG_BAYCOM_SER_FDX=m CONFIG_BAYCOM_SER_HDX=m CONFIG_BINFMT_MISC=m +# CONFIG_BT_HCIBCM203X is not set +# CONFIG_BT_HCIBFUSB is not set +# CONFIG_BT_HCIBPA10X is not set +# CONFIG_BT_HCIUSB is not set CONFIG_CIFS_DEBUG2=y CONFIG_CIFS_EXPERIMENTAL=y CONFIG_CIFS_STATS2=y @@ -225,6 +229,7 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SIBYTE_RHONE is not set # CONFIG_SIBYTE_SENTOSA is not set # CONFIG_SIBYTE_SWARM is not set +# CONFIG_SND_USB_AUDIO is not set CONFIG_SOFT_WATCHDOG=m # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SYN_COOKIES=y @@ -238,5 +243,23 @@ CONFIG_TMPFS_POSIX_ACL=y # CONFIG_TOSHIBA_RBTX4938 is not set CONFIG_TRAD_SIGNALS=y # CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_USB is not set +CONFIG_USB=y +# CONFIG_USBPCWATCHDOG is not set +# CONFIG_USB_ACM is not set +CONFIG_USB_ADM5120_HCD=y +# CONFIG_USB_ATM is not set +# CONFIG_USB_CATC is not set +# CONFIG_USB_DEVICEFS is not set +# CONFIG_USB_EHCI_HCD is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_SERIAL is not set +# CONFIG_USB_STORAGE is not set +# CONFIG_USB_UHCI_HCD is not set +# CONFIG_USB_USBNET is not set +# CONFIG_USB_USBNET_MII is not set +# CONFIG_USB_ZD1201 is not set CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_ZD1211RW is not set diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/Makefile b/target/linux/adm5120-2.6/files/arch/mips/adm5120/Makefile index a68b4a1451..7ea82a1309 100644 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/Makefile +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/Makefile @@ -2,6 +2,6 @@ # Makefile for the ADMtek ADM5120 SoC specific parts of the kernel # -obj-y := setup.o prom.o irq.o memory.o mipsIRQ.o adm5120_info.o +obj-y := setup.o prom.o irq.o memory.o int-handler.o adm5120_info.o EXTRA_AFLAGS := $(CFLAGS) diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c index 9e39730a4f..1780a5bb8a 100644 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c @@ -162,7 +162,16 @@ static int __init detect_bootloader(void) */ static void __init detect_board_type(void) { - /* FIXME: not yet implemented */ + switch(adm5120_info.boot_loader) { + case BOOT_LOADER_CFE: + adm5120_info.board_type = BOARD_TYPE_WP54G_WRT; + adm5120_info.iface_num = 2; + adm5120_info.has_usb = 0; + printk("Board is a Compex WP54G-WRT\n"); + default: + adm5120_info.board_type = BOARD_TYPE_UNKNOWN; + printk("Board type is unknown\n"); + } } void __init adm5120_info_show(void) diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/mipsIRQ.S b/target/linux/adm5120-2.6/files/arch/mips/adm5120/int-handler.S similarity index 100% rename from target/linux/adm5120-2.6/files/arch/mips/adm5120/mipsIRQ.S rename to target/linux/adm5120-2.6/files/arch/mips/adm5120/int-handler.S diff --git a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c index b4a1899d1d..6f0df78c3a 100644 --- a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c +++ b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c @@ -8,14 +8,22 @@ * Which again was based on the ohci and uhci drivers. */ -#include -#include -#include +#include +#include +#include +#include #include -#include +#include +#include #include #include +#include +#include +#include +#include +#include + #include "../core/hcd.h" MODULE_DESCRIPTION("ADM5120 USB Host Controller Driver"); @@ -137,13 +145,33 @@ static int admhcd_td_err[16] = { #define ED(ed) ((struct admhcd_ed *)(((u32)(ed)) & ~0xf)) struct admhcd { + spinlock_t lock; + + void __iomem *addr_reg; + void __iomem *data_reg; + /* Root hub registers */ + u32 rhdesca; + u32 rhdescb; + u32 rhstatus; + u32 rhport[2]; + + /* async schedule: control, bulk */ + struct list_head async; u32 base; u32 dma_en; - spinlock_t lock; unsigned long flags; + }; -#define hcd_to_admhcd(hcd) ((struct admhcd *)(hcd)->hcd_priv) +static inline struct admhcd *hcd_to_admhcd(struct usb_hcd *hcd) +{ + return (struct admhcd *)(hcd->hcd_priv); +} + +static inline struct usb_hcd *admhcd_to_hcd(struct admhcd *admhcd) +{ + return container_of((void *)admhcd, struct usb_hcd, hcd_priv); +} static char hcd_name[] = "adm5120-hcd"; @@ -670,46 +698,69 @@ static struct hc_driver adm5120_hc_driver = { .hub_control = admhcd_hub_control, }; +#define resource_len(r) (((r)->end - (r)->start) + 1) + static int __init adm5120hcd_probe(struct platform_device *pdev) { struct usb_hcd *hcd; struct admhcd *ahcd; struct usb_device *udev; - int err = 0; + struct resource *addr, *data; + void __iomem *addr_reg; + void __iomem *data_reg; + int irq, err = 0; - if (!request_mem_region(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start, hcd_name)) { - pr_debug("couldn't request mem\n"); - err = -EBUSY; + if (pdev->num_resources < 3) { + err = -ENODEV; goto out; } - //hcd = usb_create_hcd(&adm5120_hc_driver, pdev, pdev->bus_id); + data = platform_get_resource(pdev, IORESOURCE_MEM, 0); + addr = platform_get_resource(pdev, IORESOURCE_MEM, 1); + irq = platform_get_irq(pdev, 0); + + if (!addr || !data || irq < 0) { + err = -ENODEV; + goto out; + } + + if (pdev->dev.dma_mask) { + printk(KERN_DEBUG "DMA not supported\n"); + err = -EINVAL; + goto out; + } + + if (!request_mem_region(addr->start, 2, hcd_name)) { + err = -EBUSY; + goto out; + } + addr_reg = ioremap(addr->start, resource_len(addr)); + if (addr_reg == NULL) { + err = -ENOMEM; + goto out_mem; + } + if (!request_mem_region(data->start, 2, hcd_name)) { + err = -EBUSY; + goto out_unmap; + } + data_reg = ioremap(data->start, resource_len(data)); + if (data_reg == NULL) { + err = -ENOMEM; + goto out_mem; + } + + + hcd = usb_create_hcd(&adm5120_hc_driver, &pdev->dev, pdev->dev.bus_id); if (!hcd) goto out_mem; ahcd = hcd_to_admhcd(hcd); - dev_set_drvdata(pdev, ahcd); - hcd->self.controller = pdev; - //hcd->self.bus_name = pdev->bus_id; - hcd->irq = pdev->resource[1].start; - hcd->regs = (void *)pdev->resource[0].start; - hcd->product_desc = hcd_name; - ahcd->base = pdev->resource[0].start; - - if (request_irq(pdev->resource[1].start, adm5120hcd_irq, 0, hcd_name, - hcd)) { - pr_debug("couldn't request irq\n"); - err = -EBUSY; - goto out_hcd; - } - - //err = usb_register_bus(&hcd->self); - //if (err < 0) - // goto out_irq; - + ahcd->data_reg = data_reg; + ahcd->addr_reg = addr_reg; spin_lock_init(&ahcd->lock); + INIT_LIST_HEAD(&ahcd->async); + /* Initialise the HCD registers */ admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, 0); mdelay(10); admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_SW_RESET); @@ -727,41 +778,39 @@ static int __init adm5120hcd_probe(struct platform_device *pdev) admhcd_reg_set(ahcd, ADMHCD_REG_RHDESCR, ADMHCD_NPS | ADMHCD_LPSC); admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP); - udev = usb_alloc_dev(NULL, &hcd->self, 0); - if (!udev) { - err = -ENOMEM; - goto out_bus; - } - - udev->speed = USB_SPEED_FULL; - hcd->state = HC_STATE_RUNNING; - - //err = hcd_register_root(udev, hcd); - //if (err != 0) { - // usb_put_dev(udev); - // goto out_dev; - //} + err = usb_add_hcd(hcd, irq, IRQF_DISABLED); + if (err) + goto out_dev; return 0; out_dev: - usb_put_dev(udev); -out_bus: - //usb_deregister_bus(&hcd->self); + usb_put_hcd(hcd); out_irq: free_irq(pdev->resource[1].start, hcd); +out_unmap: + iounmap(addr_reg); out_hcd: usb_put_hcd(hcd); out_mem: - release_mem_region(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start); + release_mem_region(addr->start, 2); out: return err; } static int __init_or_module adm5120hcd_remove(struct platform_device *pdev) { - device_init_wakeup(&pdev->dev, 0); + struct usb_hcd *hcd = platform_get_drvdata(pdev); + struct admhcd *ahcd; + struct resource *res; + + if (!hcd) + return 0; + ahcd = hcd_to_admhcd(hcd); + usb_remove_hcd(hcd); + + usb_put_hcd(hcd); + return 0; } static struct platform_driver adm5120hcd_driver = { @@ -777,6 +826,8 @@ static int __init adm5120hcd_init(void) { if (usb_disabled()) return -ENODEV; + if (!adm5120_info.has_usb) + return -ENODEV; return platform_driver_register(&adm5120hcd_driver); }