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Rename mipsIRQ.S to int-handler to match the kernel naming convention, implement basic board detection, rewrite usb HCD driver (to be tested)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6893 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian
2007-04-08 10:15:17 +00:00
parent 938900f0df
commit 5e9852b169
5 changed files with 137 additions and 54 deletions
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153
target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
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@@ -8,14 +8,22 @@
* Which again was based on the ohci and uhci drivers.
*/
#include <linux/autoconf.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/usb.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/byteorder.h>
#include <asm/mach-adm5120/adm5120_info.h>
#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);
}