From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755620Ab3HWMYg (ORCPT ); Fri, 23 Aug 2013 08:24:36 -0400 Received: from mail-ea0-f177.google.com ([209.85.215.177]:35986 "EHLO mail-ea0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753768Ab3HWMYb (ORCPT ); Fri, 23 Aug 2013 08:24:31 -0400 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, linus.walleij@linaro.org, Lee Jones Subject: [PATCH 20/40] ARM: ux500: Remove USB support when booting using ATAGs Date: Fri, 23 Aug 2013 13:23:20 +0100 Message-Id: <1377260620-18829-21-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1377260620-18829-1-git-send-email-lee.jones@linaro.org> References: <1377260620-18829-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 bf9b6be..cac22ba 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-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 12eee81..30024ff 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); -} -- 1.8.1.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Fri, 23 Aug 2013 13:23:20 +0100 Subject: [PATCH 20/40] ARM: ux500: Remove USB support when booting using ATAGs In-Reply-To: <1377260620-18829-1-git-send-email-lee.jones@linaro.org> References: <1377260620-18829-1-git-send-email-lee.jones@linaro.org> Message-ID: <1377260620-18829-21-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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 bf9b6be..cac22ba 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_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 12eee81..30024ff 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); -} -- 1.8.1.2