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MIPS: BCM63XX: Create platform_device for USBD 

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Reviewed-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4111/
Signed-off-by: John Crispin <blogic@openwrt.org>
This commit is contained in:
Kevin Cernekee 2012-07-14 18:01:09 +00:00 committed by John Crispin
parent 5fd66c2b2b
commit 22df90f6bb
5 changed files with 98 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/mips/bcm63xx/Makefile
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@ -1,6 +1,6 @@
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
dev-dsp.o dev-enet.o dev-flash.o dev-pcmcia.o dev-rng.o \
dev-spi.o dev-uart.o dev-wdt.o
dev-spi.o dev-uart.o dev-wdt.o dev-usb-usbd.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/

10
arch/mips/bcm63xx/boards/board_bcm963xx.c
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@ -24,6 +24,7 @@
#include <bcm63xx_dev_flash.h>
#include <bcm63xx_dev_pcmcia.h>
#include <bcm63xx_dev_spi.h>
#include <bcm63xx_dev_usb_usbd.h>
#include <board_bcm963xx.h>
#define PFX "board_bcm963xx: "
@ -42,6 +43,12 @@ static struct board_info __initdata board_96328avng = {
.has_uart0 = 1,
.has_pci = 1,
.has_usbd = 0,
.usbd = {
.use_fullspeed = 0,
.port_no = 0,
},
.leds = {
{
@ -888,6 +895,9 @@ int __init board_register_devices(void)
!board_get_mac_address(board.enet1.mac_addr))
bcm63xx_enet_register(1, &board.enet1);
if (board.has_usbd)
bcm63xx_usbd_register(&board.usbd);
if (board.has_dsp)
bcm63xx_dsp_register(&board.dsp);

65
arch/mips/bcm63xx/dev-usb-usbd.c Normal file
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@ -0,0 +1,65 @@
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
* Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com>
* Copyright (C) 2012 Broadcom Corporation
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_usb_usbd.h>
#define NUM_MMIO 2
#define NUM_IRQ 7
static struct resource usbd_resources[NUM_MMIO + NUM_IRQ];
static u64 usbd_dmamask = DMA_BIT_MASK(32);
static struct platform_device bcm63xx_usbd_device = {
.name = "bcm63xx_udc",
.id = -1,
.num_resources = ARRAY_SIZE(usbd_resources),
.resource = usbd_resources,
.dev = {
.dma_mask = &usbd_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
int __init bcm63xx_usbd_register(const struct bcm63xx_usbd_platform_data *pd)
{
const int irq_list[NUM_IRQ] = { IRQ_USBD,
IRQ_USBD_RXDMA0, IRQ_USBD_TXDMA0,
IRQ_USBD_RXDMA1, IRQ_USBD_TXDMA1,
IRQ_USBD_RXDMA2, IRQ_USBD_TXDMA2 };
int i;
if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368())
return 0;
usbd_resources[0].start = bcm63xx_regset_address(RSET_USBD);
usbd_resources[0].end = usbd_resources[0].start + RSET_USBD_SIZE - 1;
usbd_resources[0].flags = IORESOURCE_MEM;
usbd_resources[1].start = bcm63xx_regset_address(RSET_USBDMA);
usbd_resources[1].end = usbd_resources[1].start + RSET_USBDMA_SIZE - 1;
usbd_resources[1].flags = IORESOURCE_MEM;
for (i = 0; i < NUM_IRQ; i++) {
struct resource *r = &usbd_resources[NUM_MMIO + i];
r->start = r->end = bcm63xx_get_irq_number(irq_list[i]);
r->flags = IORESOURCE_IRQ;
}
platform_device_add_data(&bcm63xx_usbd_device, pd, sizeof(*pd));
return platform_device_register(&bcm63xx_usbd_device);
}

17
arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h Normal file
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@ -0,0 +1,17 @@
#ifndef BCM63XX_DEV_USB_USBD_H_
#define BCM63XX_DEV_USB_USBD_H_
/*
* usb device platform data
*/
struct bcm63xx_usbd_platform_data {
/* board can only support full speed (USB 1.1) */
int use_fullspeed;
/* 0-based port index, for chips with >1 USB PHY */
int port_no;
};
int bcm63xx_usbd_register(const struct bcm63xx_usbd_platform_data *pd);
#endif /* BCM63XX_DEV_USB_USBD_H_ */

5
arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
View File

@ -5,6 +5,7 @@
#include <linux/gpio.h>
#include <linux/leds.h>
#include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_usb_usbd.h>
#include <bcm63xx_dev_dsp.h>
/*
@ -44,6 +45,7 @@ struct board_info {
unsigned int has_pccard:1;
unsigned int has_ohci0:1;
unsigned int has_ehci0:1;
unsigned int has_usbd:1;
unsigned int has_dsp:1;
unsigned int has_uart0:1;
unsigned int has_uart1:1;
@ -52,6 +54,9 @@ struct board_info {
struct bcm63xx_enet_platform_data enet0;
struct bcm63xx_enet_platform_data enet1;
/* USB config */
struct bcm63xx_usbd_platform_data usbd;
/* DSP config */
struct bcm63xx_dsp_platform_data dsp;