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mach-ux500: add MUSB to db8500 devices 

- DMA tx and rx maps for usb channels are set to be configured at
  runtime
- GPIO configurations for usb are added
- 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>
hifive-unleashed-5.1
Mian Yousaf Kaukab 2011-01-21 18:21:50 +01:00 committed by Linus Walleij
parent 7f0709efe6
commit 6f3f3c3f0b
4 changed files with 64 additions and 2 deletions
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14
arch/arm/mach-ux500/board-mop500.c
View File

@ -83,6 +83,20 @@ static pin_cfg_t mop500_pins[] = {
/* touch screen */
GPIO84_GPIO | PIN_INPUT_PULLUP,
/* USB OTG */
GPIO256_USB_NXT | PIN_PULL_DOWN,
GPIO257_USB_STP | PIN_PULL_UP,
GPIO258_USB_XCLK | PIN_PULL_DOWN,
GPIO259_USB_DIR | PIN_PULL_DOWN,
GPIO260_USB_DAT7 | PIN_PULL_DOWN,
GPIO261_USB_DAT6 | PIN_PULL_DOWN,
GPIO262_USB_DAT5 | PIN_PULL_DOWN,
GPIO263_USB_DAT4 | PIN_PULL_DOWN,
GPIO264_USB_DAT3 | PIN_PULL_DOWN,
GPIO265_USB_DAT2 | PIN_PULL_DOWN,
GPIO266_USB_DAT1 | PIN_PULL_DOWN,
GPIO267_USB_DAT0 | PIN_PULL_DOWN,
};
static struct ab8500_platform_data ab8500_platdata = {

25
arch/arm/mach-ux500/cpu-db8500.c
View File

@ -23,8 +23,10 @@
#include <mach/hardware.h>
#include <mach/setup.h>
#include <mach/devices.h>
#include <mach/usb.h>
#include "devices-db8500.h"
#include "ste-dma40-db8500.h"
/* minimum static i/o mapping required to boot U8500 platforms */
static struct map_desc u8500_uart_io_desc[] __initdata = {
@ -154,6 +156,28 @@ static void __init db8500_add_gpios(void)
IRQ_DB8500_GPIO0, &pdata);
}
static int usb_db8500_rx_dma_cfg[] = {
DB8500_DMA_DEV38_USB_OTG_IEP_1_9,
DB8500_DMA_DEV37_USB_OTG_IEP_2_10,
DB8500_DMA_DEV36_USB_OTG_IEP_3_11,
DB8500_DMA_DEV19_USB_OTG_IEP_4_12,
DB8500_DMA_DEV18_USB_OTG_IEP_5_13,
DB8500_DMA_DEV17_USB_OTG_IEP_6_14,
DB8500_DMA_DEV16_USB_OTG_IEP_7_15,
DB8500_DMA_DEV39_USB_OTG_IEP_8
};
static int usb_db8500_tx_dma_cfg[] = {
DB8500_DMA_DEV38_USB_OTG_OEP_1_9,
DB8500_DMA_DEV37_USB_OTG_OEP_2_10,
DB8500_DMA_DEV36_USB_OTG_OEP_3_11,
DB8500_DMA_DEV19_USB_OTG_OEP_4_12,
DB8500_DMA_DEV18_USB_OTG_OEP_5_13,
DB8500_DMA_DEV17_USB_OTG_OEP_6_14,
DB8500_DMA_DEV16_USB_OTG_OEP_7_15,
DB8500_DMA_DEV39_USB_OTG_OEP_8
};
/*
* This function is called from the board init
*/
@ -164,6 +188,7 @@ void __init u8500_init_devices(void)
db8500_add_rtc();
db8500_add_gpios();
db8500_add_usb(usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
platform_device_register_simple("cpufreq-u8500", -1, NULL, 0);
platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));

24
arch/arm/mach-ux500/devices-db8500.c
View File

@ -69,10 +69,30 @@ struct stedma40_chan_cfg dma40_memcpy_conf_log = {
* Mapping between destination event lines and physical device address.
* The event line is tied to a device and therefor the address is constant.
*/
static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV];
static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
/* MUSB - these will be runtime-reconfigured */
[DB8500_DMA_DEV39_USB_OTG_OEP_8] = -1,
[DB8500_DMA_DEV16_USB_OTG_OEP_7_15] = -1,
[DB8500_DMA_DEV17_USB_OTG_OEP_6_14] = -1,
[DB8500_DMA_DEV18_USB_OTG_OEP_5_13] = -1,
[DB8500_DMA_DEV19_USB_OTG_OEP_4_12] = -1,
[DB8500_DMA_DEV36_USB_OTG_OEP_3_11] = -1,
[DB8500_DMA_DEV37_USB_OTG_OEP_2_10] = -1,
[DB8500_DMA_DEV38_USB_OTG_OEP_1_9] = -1,
};
/* Mapping between source event lines and physical device address */
static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV];
static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
/* MUSB - these will be runtime-reconfigured */
[DB8500_DMA_DEV39_USB_OTG_IEP_8] = -1,
[DB8500_DMA_DEV16_USB_OTG_IEP_7_15] = -1,
[DB8500_DMA_DEV17_USB_OTG_IEP_6_14] = -1,
[DB8500_DMA_DEV18_USB_OTG_IEP_5_13] = -1,
[DB8500_DMA_DEV19_USB_OTG_IEP_4_12] = -1,
[DB8500_DMA_DEV36_USB_OTG_IEP_3_11] = -1,
[DB8500_DMA_DEV37_USB_OTG_IEP_2_10] = -1,
[DB8500_DMA_DEV38_USB_OTG_IEP_1_9] = -1,
};
/* Reserved event lines for memcpy only */
static int dma40_memcpy_event[] = {

3
arch/arm/mach-ux500/devices-db8500.h
View File

@ -61,6 +61,9 @@ db8500_add_ssp(const char *name, resource_size_t base, int irq,
#define db8500_add_rtc() \
dbx500_add_rtc(U8500_RTC_BASE, IRQ_DB8500_RTC);
#define db8500_add_usb(rx_cfg, tx_cfg) \
ux500_add_usb(U8500_USBOTG_BASE, IRQ_DB8500_USBOTG, rx_cfg, tx_cfg)
#define db8500_add_sdi0(pdata) \
dbx500_add_sdi("sdi0", U8500_SDI0_BASE, IRQ_DB8500_SDMMC0, pdata)
#define db8500_add_sdi1(pdata) \