From aeef67ebab06177a1fb31c7cde9ea6b09732e049 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Wed, 18 Sep 2013 14:48:27 +0100 Subject: [PATCH] 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 Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/Makefile | 2 +- arch/arm/mach-ux500/cpu-db8500.c | 12 ---- arch/arm/mach-ux500/devices-db8500.h | 5 -- arch/arm/mach-ux500/usb.c | 135 ----------------------------------- 4 files changed, 1 insertion(+), 153 deletions(-) delete mode 100644 arch/arm/mach-ux500/usb.c diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile index fe1f3e2..685f615 100644 --- a/arch/arm/mach-ux500/Makefile +++ b/arch/arm/mach-ux500/Makefile @@ -3,7 +3,7 @@ # obj-y := cpu.o devices.o devices-common.o \ - id.o usb.o timer.o pm.o + id.o timer.o pm.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o obj-$(CONFIG_MACH_MOP500) += board-mop500.o board-mop500-sdi.o \ diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index d5accc2..b236ec11 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -162,17 +162,6 @@ static void __init db8500_add_gpios(struct device *parent) dbx500_add_pinctrl(parent, "pinctrl-db8500", U8500_PRCMU_BASE); } -static int usb_db8500_dma_cfg[] = { - DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9, - DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10, - DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11, - DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12, - DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13, - DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14, - DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15, - DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8 -}; - static const char *db8500_read_soc_id(void) { void __iomem *uid = __io_address(U8500_BB_UID_BASE); @@ -204,7 +193,6 @@ struct device * __init u8500_init_devices(void) db8500_add_rtc(parent); db8500_add_gpios(parent); - db8500_add_usb(parent, usb_db8500_dma_cfg, usb_db8500_dma_cfg); for (i = 0; i < ARRAY_SIZE(platform_devs); i++) platform_devs[i]->dev.parent = parent; diff --git a/arch/arm/mach-ux500/devices-db8500.h b/arch/arm/mach-ux500/devices-db8500.h index be1d538..9352400 100644 --- a/arch/arm/mach-ux500/devices-db8500.h +++ b/arch/arm/mach-ux500/devices-db8500.h @@ -8,7 +8,6 @@ #ifndef __DEVICES_DB8500_H #define __DEVICES_DB8500_H -#include #include "irqs.h" #include "db8500-regs.h" #include "devices-common.h" @@ -30,10 +29,6 @@ db8500_add_ssp(struct device *parent, const char *name, resource_size_t base, #define db8500_add_rtc(parent) \ dbx500_add_rtc(parent, U8500_RTC_BASE, IRQ_DB8500_RTC); -#define db8500_add_usb(parent, rx_cfg, tx_cfg) \ - ux500_add_usb(parent, U8500_USBOTG_BASE, \ - IRQ_DB8500_USBOTG, rx_cfg, tx_cfg) - #define db8500_add_ssp0(parent, pdata) \ db8500_add_ssp(parent, "ssp0", U8500_SSP0_BASE, \ IRQ_DB8500_SSP0, pdata) diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c deleted file mode 100644 index b7bd8d3..0000000 --- a/arch/arm/mach-ux500/usb.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright (C) ST-Ericsson SA 2011 - * - * Author: Mian Yousaf Kaukab - * License terms: GNU General Public License (GPL) version 2 - */ -#include -#include -#include -#include -#include - -#include "db8500-regs.h" - -#define MUSB_DMA40_RX_CH { \ - .mode = STEDMA40_MODE_LOGICAL, \ - .dir = DMA_DEV_TO_MEM, \ - } - -#define MUSB_DMA40_TX_CH { \ - .mode = STEDMA40_MODE_LOGICAL, \ - .dir = DMA_MEM_TO_DEV, \ - } - -static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] - = { - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH, - MUSB_DMA40_RX_CH -}; - -static struct stedma40_chan_cfg musb_dma_tx_ch[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] - = { - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, - MUSB_DMA40_TX_CH, -}; - -static void *ux500_dma_rx_param_array[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] = { - &musb_dma_rx_ch[0], - &musb_dma_rx_ch[1], - &musb_dma_rx_ch[2], - &musb_dma_rx_ch[3], - &musb_dma_rx_ch[4], - &musb_dma_rx_ch[5], - &musb_dma_rx_ch[6], - &musb_dma_rx_ch[7] -}; - -static void *ux500_dma_tx_param_array[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] = { - &musb_dma_tx_ch[0], - &musb_dma_tx_ch[1], - &musb_dma_tx_ch[2], - &musb_dma_tx_ch[3], - &musb_dma_tx_ch[4], - &musb_dma_tx_ch[5], - &musb_dma_tx_ch[6], - &musb_dma_tx_ch[7] -}; - -static struct ux500_musb_board_data musb_board_data = { - .dma_rx_param_array = ux500_dma_rx_param_array, - .dma_tx_param_array = ux500_dma_tx_param_array, - .dma_filter = stedma40_filter, -}; - -static struct musb_hdrc_platform_data musb_platform_data = { - .mode = MUSB_OTG, - .board_data = &musb_board_data, -}; - -static struct resource usb_resources[] = { - [0] = { - .name = "usb-mem", - .flags = IORESOURCE_MEM, - }, - - [1] = { - .name = "mc", /* hard-coded in musb */ - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device ux500_musb_device = { - .name = "musb-ux500", - .id = 0, - .dev = { - .platform_data = &musb_platform_data, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(usb_resources), - .resource = usb_resources, -}; - -static inline void ux500_usb_dma_update_rx_ch_config(int *dev_type) -{ - u32 idx; - - for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_TX_CHANNELS; idx++) - musb_dma_rx_ch[idx].dev_type = dev_type[idx]; -} - -static inline void ux500_usb_dma_update_tx_ch_config(int *dev_type) -{ - u32 idx; - - for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_TX_CHANNELS; idx++) - musb_dma_tx_ch[idx].dev_type = dev_type[idx]; -} - -void ux500_add_usb(struct device *parent, resource_size_t base, int irq, - int *dma_rx_cfg, int *dma_tx_cfg) -{ - ux500_musb_device.resource[0].start = base; - ux500_musb_device.resource[0].end = base + SZ_64K - 1; - ux500_musb_device.resource[1].start = irq; - ux500_musb_device.resource[1].end = irq; - - ux500_usb_dma_update_rx_ch_config(dma_rx_cfg); - ux500_usb_dma_update_tx_ch_config(dma_tx_cfg); - - ux500_musb_device.dev.parent = parent; - - platform_device_register(&ux500_musb_device); -} -- 2.7.4