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Date: Wed, 25 Mar 2009 11:49:16 +0100
From: Oskar Schirmer <os@...ix.com>
To: Chris Zankel <chris@...kel.net>
Cc: linux-kernel@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
Oskar Schirmer <os@...ix.com>
Subject: [patch 2/4] xtensa: platform declarations for s6000 isef driver
Add platform specific irq and dma declarations for use of ISEF on s6000.
Signed-off-by: Oskar Schirmer <os@...ix.com>
---
arch/xtensa/platforms/s6105/device.c | 41 ++++++++++++++++++++
.../platforms/s6105/include/platform/ioctl.h | 17 ++++++++
2 files changed, 58 insertions(+), 0 deletions(-)
create mode 100644 arch/xtensa/platforms/s6105/include/platform/ioctl.h
diff --git a/arch/xtensa/platforms/s6105/device.c b/arch/xtensa/platforms/s6105/device.c
index bc254ac..a55d054 100644
--- a/arch/xtensa/platforms/s6105/device.c
+++ b/arch/xtensa/platforms/s6105/device.c
@@ -31,6 +31,7 @@
#define UART_INTNUM 4
#define GMAC_INTNUM 5
#define I2C_INTNUM 6
+#define ISEF_INTNUM 8
#define SPI_INTNUM 11
static const signed char gpio3_irq_mappings[] = {
@@ -57,6 +58,11 @@ static const signed char i2c_irq_mappings[] = {
-1
};
+static const signed char isef_irq_mappings[] = {
+ S6_INTC_DMA_LMSPENDCNT(11),
+ -1
+};
+
static const signed char spi_irq_mappings[] = {
S6_INTC_SPI,
-1
@@ -67,6 +73,7 @@ const signed char *platform_irq_mappings[NR_IRQS] = {
[UART_INTNUM] = uart_irq_mappings,
[GMAC_INTNUM] = gmac_irq_mappings,
[I2C_INTNUM] = i2c_irq_mappings,
+ [ISEF_INTNUM] = isef_irq_mappings,
[SPI_INTNUM] = spi_irq_mappings,
};
@@ -187,6 +194,34 @@ static struct i2c_board_info __initdata s6_i2c_devices[] = {
},
};
+static struct resource s6_isef_resource[] = {
+ {
+ .name = "mem",
+ .start = (resource_size_t)S6_MEM_EFI,
+ .end = (resource_size_t)S6_MEM_EFI + 0x100000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mem",
+ .start = (resource_size_t)S6_REG_XAD,
+ .end = (resource_size_t)S6_REG_XAD + 0x40000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "dma",
+ .start = (resource_size_t)
+ DMA_CHNL(S6_REG_LMSDMA, 11),
+ .end = (resource_size_t)
+ DMA_CHNL(S6_REG_LMSDMA, 11) + 0x100 - 1,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "irq",
+ .start = (resource_size_t)ISEF_INTNUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct resource s6_spi_resource[] = {
{
.name = "mem",
@@ -337,6 +372,12 @@ static struct platform_device platform_devices[] = {
},
},
{
+ .name = "s6isef",
+ .id = 0,
+ .resource = s6_isef_resource,
+ .num_resources = ARRAY_SIZE(s6_isef_resource),
+ },
+ {
.name = "spi_s6000",
.resource = s6_spi_resource,
.num_resources = ARRAY_SIZE(s6_spi_resource),
diff --git a/arch/xtensa/platforms/s6105/include/platform/ioctl.h b/arch/xtensa/platforms/s6105/include/platform/ioctl.h
new file mode 100644
index 0000000..0fc6e2c
--- /dev/null
+++ b/arch/xtensa/platforms/s6105/include/platform/ioctl.h
@@ -0,0 +1,17 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Emlix GmbH http://www.emlix.com
+ */
+
+#ifndef __XTENSA_S6105_IOCTL_H
+#define __XTENSA_S6105_IOCTL_H
+
+#include <linux/ioctl.h>
+
+#define S6IOCTL_ISEF_PRELOAD _IO(56, 1)
+#define S6IOCTL_ISEF_INVALIDATE _IO(56, 2)
+
+#endif /* __XTENSA_S6105_IOCTL_H */
--
1.6.2.107.ge47ee
--
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