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mach-ux500: add MUSB to db5500 devices

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- DMA tx and rx maps for usb channels are set to be configured at
  runtime
- MUSB is enabled with soc specific base address, irq and dma
  configurations

Signed-off-by: Mian Yousaf Kaukab <mian-yousaf.kaukab@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Mian Yousaf Kaukab 2011-01-21 18:24:19 +01:00 committed by Linus Walleij
parent 6f3f3c3f0b
commit 741caea4e5
3 changed files with 44 additions and 0 deletions
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25
arch/arm/mach-ux500/cpu-db5500.c
View File

@ -19,8 +19,10 @@
#include <mach/devices.h>
#include <mach/setup.h>
#include <mach/irqs.h>
#include <mach/usb.h>
#include "devices-db5500.h"
#include "ste-dma40-db5500.h"
static struct map_desc u5500_uart_io_desc[] __initdata = {
__IO_DEV_DESC(U5500_UART0_BASE, SZ_4K),
@ -188,11 +190,34 @@ void __init u5500_map_io(void)
iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
}
static int usb_db5500_rx_dma_cfg[] = {
DB5500_DMA_DEV4_USB_OTG_IEP_1_9,
DB5500_DMA_DEV5_USB_OTG_IEP_2_10,
DB5500_DMA_DEV6_USB_OTG_IEP_3_11,
DB5500_DMA_DEV20_USB_OTG_IEP_4_12,
DB5500_DMA_DEV21_USB_OTG_IEP_5_13,
DB5500_DMA_DEV22_USB_OTG_IEP_6_14,
DB5500_DMA_DEV23_USB_OTG_IEP_7_15,
DB5500_DMA_DEV38_USB_OTG_IEP_8
};
static int usb_db5500_tx_dma_cfg[] = {
DB5500_DMA_DEV4_USB_OTG_OEP_1_9,
DB5500_DMA_DEV5_USB_OTG_OEP_2_10,
DB5500_DMA_DEV6_USB_OTG_OEP_3_11,
DB5500_DMA_DEV20_USB_OTG_OEP_4_12,
DB5500_DMA_DEV21_USB_OTG_OEP_5_13,
DB5500_DMA_DEV22_USB_OTG_OEP_6_14,
DB5500_DMA_DEV23_USB_OTG_OEP_7_15,
DB5500_DMA_DEV38_USB_OTG_OEP_8
};
void __init u5500_init_devices(void)
{
db5500_add_gpios();
db5500_dma_init();
db5500_add_rtc();
db5500_add_usb(usb_db5500_rx_dma_cfg, usb_db5500_tx_dma_cfg);
platform_add_devices(db5500_platform_devs,
ARRAY_SIZE(db5500_platform_devs));

3
arch/arm/mach-ux500/devices-db5500.h
View File

@ -34,6 +34,9 @@
#define db5500_add_rtc() \
dbx500_add_rtc(U5500_RTC_BASE, IRQ_DB5500_RTC);
#define db5500_add_usb(rx_cfg, tx_cfg) \
ux500_add_usb(U5500_USBOTG_BASE, IRQ_DB5500_USBOTG, rx_cfg, tx_cfg)
#define db5500_add_sdi0(pdata) \
dbx500_add_sdi("sdi0", U5500_SDI0_BASE, IRQ_DB5500_SDMMC0, pdata)
#define db5500_add_sdi1(pdata) \

16
arch/arm/mach-ux500/dma-db5500.c
View File

@ -73,11 +73,27 @@ static struct stedma40_chan_cfg dma40_memcpy_conf_log = {
*/
static const dma_addr_t dma40_rx_map[DB5500_DMA_NR_DEV] = {
[DB5500_DMA_DEV24_SDMMC0_RX] = -1,
[DB5500_DMA_DEV38_USB_OTG_IEP_8] = -1,
[DB5500_DMA_DEV23_USB_OTG_IEP_7_15] = -1,
[DB5500_DMA_DEV22_USB_OTG_IEP_6_14] = -1,
[DB5500_DMA_DEV21_USB_OTG_IEP_5_13] = -1,
[DB5500_DMA_DEV20_USB_OTG_IEP_4_12] = -1,
[DB5500_DMA_DEV6_USB_OTG_IEP_3_11] = -1,
[DB5500_DMA_DEV5_USB_OTG_IEP_2_10] = -1,
[DB5500_DMA_DEV4_USB_OTG_IEP_1_9] = -1,
};
/* Mapping between destination event lines and physical device address */
static const dma_addr_t dma40_tx_map[DB5500_DMA_NR_DEV] = {
[DB5500_DMA_DEV24_SDMMC0_TX] = -1,
[DB5500_DMA_DEV38_USB_OTG_OEP_8] = -1,
[DB5500_DMA_DEV23_USB_OTG_OEP_7_15] = -1,
[DB5500_DMA_DEV22_USB_OTG_OEP_6_14] = -1,
[DB5500_DMA_DEV21_USB_OTG_OEP_5_13] = -1,
[DB5500_DMA_DEV20_USB_OTG_OEP_4_12] = -1,
[DB5500_DMA_DEV6_USB_OTG_OEP_3_11] = -1,
[DB5500_DMA_DEV5_USB_OTG_OEP_2_10] = -1,
[DB5500_DMA_DEV4_USB_OTG_OEP_1_9] = -1,
};
static int dma40_memcpy_event[] = {