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authorLee Jones <lee.jones@linaro.org>2013-09-18 14:48:27 +0100
committerLinus Walleij <linus.walleij@linaro.org>2013-09-26 11:07:54 +0200
commitaeef67ebab06177a1fb31c7cde9ea6b09732e049 (patch)
treedc9e808979c60771eee36e604ed8d66223e34973 /arch/arm/mach-ux500/usb.c
parent28633c54bda633b18544c602fc94961a3999a361 (diff)
downloadop-kernel-dev-aeef67ebab06177a1fb31c7cde9ea6b09732e049.zip
op-kernel-dev-aeef67ebab06177a1fb31c7cde9ea6b09732e049.tar.gz
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>
Diffstat (limited to 'arch/arm/mach-ux500/usb.c')
-rw-r--r--arch/arm/mach-ux500/usb.c135
1 files changed, 0 insertions, 135 deletions
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 <mian.yousaf.kaukab@stericsson.com>
- * License terms: GNU General Public License (GPL) version 2
- */
-#include <linux/platform_device.h>
-#include <linux/usb/musb.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_data/usb-musb-ux500.h>
-#include <linux/platform_data/dma-ste-dma40.h>
-
-#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);
-}
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