linux/arch/arm/mach-ux500/devices-db8500.c
Fabio Baltieri 0a429fd15e ARM: ux500: set coherent_dma_mask for dma40
Set coherent_dma_mask to DMA_BIT_MASK(32) for dma40 platform_device, as
without this DMA allocations were failing with the error:

dma40 dma40.0: coherent DMA mask is unset

when booting without device-tree.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-08-19 22:49:25 +02:00

123 lines
2.7 KiB
C

/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl022.h>
#include <linux/platform_data/dma-ste-dma40.h>
#include <linux/mfd/dbx500-prcmu.h>
#include "setup.h"
#include "irqs.h"
#include "db8500-regs.h"
#include "devices-db8500.h"
#include "ste-dma40-db8500.h"
static struct resource dma40_resources[] = {
[0] = {
.start = U8500_DMA_BASE,
.end = U8500_DMA_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
.name = "base",
},
[1] = {
.start = U8500_DMA_LCPA_BASE,
.end = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
.flags = IORESOURCE_MEM,
.name = "lcpa",
},
[2] = {
.start = IRQ_DB8500_DMA,
.end = IRQ_DB8500_DMA,
.flags = IORESOURCE_IRQ,
}
};
struct stedma40_platform_data dma40_plat_data = {
.disabled_channels = {-1},
};
struct platform_device u8500_dma40_device = {
.dev = {
.platform_data = &dma40_plat_data,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.name = "dma40",
.id = 0,
.num_resources = ARRAY_SIZE(dma40_resources),
.resource = dma40_resources
};
struct resource keypad_resources[] = {
[0] = {
.start = U8500_SKE_BASE,
.end = U8500_SKE_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DB8500_KB,
.end = IRQ_DB8500_KB,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device u8500_ske_keypad_device = {
.name = "nmk-ske-keypad",
.id = -1,
.num_resources = ARRAY_SIZE(keypad_resources),
.resource = keypad_resources,
};
struct prcmu_pdata db8500_prcmu_pdata = {
.ab_platdata = &ab8500_platdata,
.ab_irq = IRQ_DB8500_AB8500,
.irq_base = IRQ_PRCMU_BASE,
.version_offset = DB8500_PRCMU_FW_VERSION_OFFSET,
.legacy_offset = DB8500_PRCMU_LEGACY_OFFSET,
};
static struct resource db8500_prcmu_res[] = {
{
.name = "prcmu",
.start = U8500_PRCMU_BASE,
.end = U8500_PRCMU_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "prcmu-tcdm",
.start = U8500_PRCMU_TCDM_BASE,
.end = U8500_PRCMU_TCDM_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "irq",
.start = IRQ_DB8500_PRCMU1,
.end = IRQ_DB8500_PRCMU1,
.flags = IORESOURCE_IRQ,
},
{
.name = "prcmu-tcpm",
.start = U8500_PRCMU_TCPM_BASE,
.end = U8500_PRCMU_TCPM_BASE + SZ_32K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device db8500_prcmu_device = {
.name = "db8500-prcmu",
.resource = db8500_prcmu_res,
.num_resources = ARRAY_SIZE(db8500_prcmu_res),
.dev = {
.platform_data = &db8500_prcmu_pdata,
},
};