ARM: ux500: Remove USB support when booting using ATAGs
It's time to remove all ATAG support from ux500 and rely solely on Device Tree booting. This patch is part of that endeavour. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -3,7 +3,7 @@
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#
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obj-y := cpu.o devices.o devices-common.o \
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id.o usb.o timer.o pm.o
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id.o timer.o pm.o
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obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
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obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o
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obj-$(CONFIG_MACH_MOP500) += board-mop500.o board-mop500-sdi.o \
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@ -162,17 +162,6 @@ static void __init db8500_add_gpios(struct device *parent)
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dbx500_add_pinctrl(parent, "pinctrl-db8500", U8500_PRCMU_BASE);
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}
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static int usb_db8500_dma_cfg[] = {
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DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9,
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DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10,
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DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11,
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DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12,
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DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13,
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DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14,
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DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15,
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DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8
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};
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static const char *db8500_read_soc_id(void)
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{
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void __iomem *uid = __io_address(U8500_BB_UID_BASE);
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@ -204,7 +193,6 @@ struct device * __init u8500_init_devices(void)
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db8500_add_rtc(parent);
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db8500_add_gpios(parent);
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db8500_add_usb(parent, usb_db8500_dma_cfg, usb_db8500_dma_cfg);
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for (i = 0; i < ARRAY_SIZE(platform_devs); i++)
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platform_devs[i]->dev.parent = parent;
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@ -8,7 +8,6 @@
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#ifndef __DEVICES_DB8500_H
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#define __DEVICES_DB8500_H
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#include <linux/platform_data/usb-musb-ux500.h>
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#include "irqs.h"
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#include "db8500-regs.h"
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#include "devices-common.h"
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@ -30,10 +29,6 @@ db8500_add_ssp(struct device *parent, const char *name, resource_size_t base,
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#define db8500_add_rtc(parent) \
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dbx500_add_rtc(parent, U8500_RTC_BASE, IRQ_DB8500_RTC);
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#define db8500_add_usb(parent, rx_cfg, tx_cfg) \
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ux500_add_usb(parent, U8500_USBOTG_BASE, \
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IRQ_DB8500_USBOTG, rx_cfg, tx_cfg)
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#define db8500_add_ssp0(parent, pdata) \
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db8500_add_ssp(parent, "ssp0", U8500_SSP0_BASE, \
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IRQ_DB8500_SSP0, pdata)
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@ -1,135 +0,0 @@
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/*
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* Copyright (C) ST-Ericsson SA 2011
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*
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* Author: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
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* License terms: GNU General Public License (GPL) version 2
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*/
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#include <linux/platform_device.h>
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#include <linux/usb/musb.h>
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#include <linux/dma-mapping.h>
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#include <linux/platform_data/usb-musb-ux500.h>
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#include <linux/platform_data/dma-ste-dma40.h>
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#include "db8500-regs.h"
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#define MUSB_DMA40_RX_CH { \
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.mode = STEDMA40_MODE_LOGICAL, \
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.dir = DMA_DEV_TO_MEM, \
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}
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#define MUSB_DMA40_TX_CH { \
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.mode = STEDMA40_MODE_LOGICAL, \
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.dir = DMA_MEM_TO_DEV, \
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}
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static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS]
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= {
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH,
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MUSB_DMA40_RX_CH
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};
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static struct stedma40_chan_cfg musb_dma_tx_ch[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS]
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= {
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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MUSB_DMA40_TX_CH,
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};
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static void *ux500_dma_rx_param_array[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] = {
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&musb_dma_rx_ch[0],
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&musb_dma_rx_ch[1],
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&musb_dma_rx_ch[2],
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&musb_dma_rx_ch[3],
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&musb_dma_rx_ch[4],
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&musb_dma_rx_ch[5],
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&musb_dma_rx_ch[6],
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&musb_dma_rx_ch[7]
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};
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static void *ux500_dma_tx_param_array[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] = {
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&musb_dma_tx_ch[0],
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&musb_dma_tx_ch[1],
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&musb_dma_tx_ch[2],
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&musb_dma_tx_ch[3],
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&musb_dma_tx_ch[4],
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&musb_dma_tx_ch[5],
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&musb_dma_tx_ch[6],
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&musb_dma_tx_ch[7]
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};
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static struct ux500_musb_board_data musb_board_data = {
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.dma_rx_param_array = ux500_dma_rx_param_array,
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.dma_tx_param_array = ux500_dma_tx_param_array,
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.dma_filter = stedma40_filter,
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};
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static struct musb_hdrc_platform_data musb_platform_data = {
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.mode = MUSB_OTG,
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.board_data = &musb_board_data,
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};
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static struct resource usb_resources[] = {
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[0] = {
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.name = "usb-mem",
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = "mc", /* hard-coded in musb */
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device ux500_musb_device = {
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.name = "musb-ux500",
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.id = 0,
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.dev = {
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.platform_data = &musb_platform_data,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(usb_resources),
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.resource = usb_resources,
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};
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static inline void ux500_usb_dma_update_rx_ch_config(int *dev_type)
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{
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u32 idx;
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for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_TX_CHANNELS; idx++)
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musb_dma_rx_ch[idx].dev_type = dev_type[idx];
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}
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static inline void ux500_usb_dma_update_tx_ch_config(int *dev_type)
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{
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u32 idx;
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for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_TX_CHANNELS; idx++)
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musb_dma_tx_ch[idx].dev_type = dev_type[idx];
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}
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void ux500_add_usb(struct device *parent, resource_size_t base, int irq,
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int *dma_rx_cfg, int *dma_tx_cfg)
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{
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ux500_musb_device.resource[0].start = base;
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ux500_musb_device.resource[0].end = base + SZ_64K - 1;
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ux500_musb_device.resource[1].start = irq;
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ux500_musb_device.resource[1].end = irq;
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ux500_usb_dma_update_rx_ch_config(dma_rx_cfg);
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ux500_usb_dma_update_tx_ch_config(dma_tx_cfg);
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ux500_musb_device.dev.parent = parent;
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platform_device_register(&ux500_musb_device);
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}
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