From: stefan.xk.nilsson@stericsson.com (Stefan Nilsson9)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] Resources for U5500 mbox driver and modem irq handler
Date: Thu, 23 Sep 2010 19:49:54 +0200 [thread overview]
Message-ID: <1285264197-9316-2-git-send-email-stefan.xk.nilsson@stericsson.com> (raw)
In-Reply-To: <1285264197-9316-1-git-send-email-stefan.xk.nilsson@stericsson.com>
From: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
---
arch/arm/mach-ux500/cpu-db5500.c | 88 ++++++++++++++++++++++++
arch/arm/mach-ux500/include/mach/db5500-regs.h | 14 ++++
arch/arm/mach-ux500/include/mach/irqs-db5500.h | 1 +
arch/arm/mach-ux500/include/mach/irqs.h | 15 ++++-
4 files changed, 117 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
index e9278f6..2f87075 100644
--- a/arch/arm/mach-ux500/cpu-db5500.c
+++ b/arch/arm/mach-ux500/cpu-db5500.c
@@ -14,6 +14,7 @@
#include <mach/hardware.h>
#include <mach/devices.h>
#include <mach/setup.h>
+#include <mach/irqs.h>
static struct map_desc u5500_io_desc[] __initdata = {
__IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
@@ -24,6 +25,90 @@ static struct map_desc u5500_io_desc[] __initdata = {
__IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
};
+static struct resource mbox0_resources[] = {
+ {
+ .name = "mbox_peer",
+ .start = U5500_MBOX0_PEER_START,
+ .end = U5500_MBOX0_PEER_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_local",
+ .start = U5500_MBOX0_LOCAL_START,
+ .end = U5500_MBOX0_LOCAL_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_irq",
+ .start = MBOX_PAIR0_VIRT_IRQ,
+ .end = MBOX_PAIR0_VIRT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource mbox1_resources[] = {
+ {
+ .name = "mbox_peer",
+ .start = U5500_MBOX1_PEER_START,
+ .end = U5500_MBOX1_PEER_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_local",
+ .start = U5500_MBOX1_LOCAL_START,
+ .end = U5500_MBOX1_LOCAL_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_irq",
+ .start = MBOX_PAIR1_VIRT_IRQ,
+ .end = MBOX_PAIR1_VIRT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource mbox2_resources[] = {
+ {
+ .name = "mbox_peer",
+ .start = U5500_MBOX2_PEER_START,
+ .end = U5500_MBOX2_PEER_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_local",
+ .start = U5500_MBOX2_LOCAL_START,
+ .end = U5500_MBOX2_LOCAL_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_irq",
+ .start = MBOX_PAIR2_VIRT_IRQ,
+ .end = MBOX_PAIR2_VIRT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device mbox0_device = {
+ .id = 0,
+ .name = "mbox",
+ .resource = mbox0_resources,
+ .num_resources = ARRAY_SIZE(mbox0_resources),
+};
+
+static struct platform_device mbox1_device = {
+ .id = 1,
+ .name = "mbox",
+ .resource = mbox1_resources,
+ .num_resources = ARRAY_SIZE(mbox1_resources),
+};
+
+static struct platform_device mbox2_device = {
+ .id = 2,
+ .name = "mbox",
+ .resource = mbox2_resources,
+ .num_resources = ARRAY_SIZE(mbox2_resources),
+};
+
static struct platform_device *u5500_platform_devs[] __initdata = {
&u5500_gpio_devs[0],
&u5500_gpio_devs[1],
@@ -33,6 +118,9 @@ static struct platform_device *u5500_platform_devs[] __initdata = {
&u5500_gpio_devs[5],
&u5500_gpio_devs[6],
&u5500_gpio_devs[7],
+ &mbox0_device,
+ &mbox1_device,
+ &mbox2_device,
};
void __init u5500_map_io(void)
diff --git a/arch/arm/mach-ux500/include/mach/db5500-regs.h b/arch/arm/mach-ux500/include/mach/db5500-regs.h
index 545c80f..3eafc0e 100644
--- a/arch/arm/mach-ux500/include/mach/db5500-regs.h
+++ b/arch/arm/mach-ux500/include/mach/db5500-regs.h
@@ -100,4 +100,18 @@
#define U5500_GPIOBANK6_BASE (U5500_GPIO4_BASE + 0x80)
#define U5500_GPIOBANK7_BASE (U5500_GPIO4_BASE + 0x100)
+#define U5500_MBOX_BASE (U5500_MODEM_BASE + 0xFFD1000)
+#define U5500_MBOX0_PEER_START (U5500_MBOX_BASE + 0x40)
+#define U5500_MBOX0_PEER_END (U5500_MBOX_BASE + 0x5F)
+#define U5500_MBOX0_LOCAL_START (U5500_MBOX_BASE + 0x60)
+#define U5500_MBOX0_LOCAL_END (U5500_MBOX_BASE + 0x7F)
+#define U5500_MBOX1_PEER_START (U5500_MBOX_BASE + 0x80)
+#define U5500_MBOX1_PEER_END (U5500_MBOX_BASE + 0x9F)
+#define U5500_MBOX1_LOCAL_START (U5500_MBOX_BASE + 0xA0)
+#define U5500_MBOX1_LOCAL_END (U5500_MBOX_BASE + 0xBF)
+#define U5500_MBOX2_PEER_START (U5500_MBOX_BASE + 0x00)
+#define U5500_MBOX2_PEER_END (U5500_MBOX_BASE + 0x1F)
+#define U5500_MBOX2_LOCAL_START (U5500_MBOX_BASE + 0x20)
+#define U5500_MBOX2_LOCAL_END (U5500_MBOX_BASE + 0x3F)
+
#endif
diff --git a/arch/arm/mach-ux500/include/mach/irqs-db5500.h b/arch/arm/mach-ux500/include/mach/irqs-db5500.h
index 6fbfe5e..bfa123d 100644
--- a/arch/arm/mach-ux500/include/mach/irqs-db5500.h
+++ b/arch/arm/mach-ux500/include/mach/irqs-db5500.h
@@ -61,6 +61,7 @@
#define IRQ_DB5500_SDMMC0 (IRQ_SHPI_START + 60)
#define IRQ_DB5500_HSEM (IRQ_SHPI_START + 61)
#define IRQ_DB5500_SBAG (IRQ_SHPI_START + 63)
+#define IRQ_DB5500_MODEM (IRQ_SHPI_START + 65)
#define IRQ_DB5500_SPI1 (IRQ_SHPI_START + 96)
#define IRQ_DB5500_MSP2 (IRQ_SHPI_START + 98)
#define IRQ_DB5500_SRPTIMER (IRQ_SHPI_START + 101)
diff --git a/arch/arm/mach-ux500/include/mach/irqs.h b/arch/arm/mach-ux500/include/mach/irqs.h
index 0d552d9..693aa57 100644
--- a/arch/arm/mach-ux500/include/mach/irqs.h
+++ b/arch/arm/mach-ux500/include/mach/irqs.h
@@ -84,6 +84,19 @@
#include <mach/irqs-board-mop500.h>
#endif
-#define NR_IRQS IRQ_BOARD_END
+/*
+ * After the board specific IRQ:s we reserve a range of IRQ:s in which virtual
+ * IRQ:s representing modem IRQ:s can be allocated
+ */
+#define IRQ_MODEM_EVENTS_BASE (IRQ_BOARD_END + 1)
+#define IRQ_MODEM_EVENTS_NBR 72
+#define IRQ_MODEM_EVENTS_END (IRQ_MODEM_EVENTS_BASE + IRQ_MODEM_EVENTS_NBR)
+
+/* List of virtual IRQ:s that are allocated from the range above */
+#define MBOX_PAIR0_VIRT_IRQ (IRQ_MODEM_EVENTS_BASE + 43)
+#define MBOX_PAIR1_VIRT_IRQ (IRQ_MODEM_EVENTS_BASE + 45)
+#define MBOX_PAIR2_VIRT_IRQ (IRQ_MODEM_EVENTS_BASE + 41)
+
+#define NR_IRQS IRQ_MODEM_EVENTS_END
#endif /* ASM_ARCH_IRQS_H */
--
1.7.2.2
next prev parent reply other threads:[~2010-09-23 17:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-23 17:49 [PATCH 0/4] U5500 mailbox driver and modem irq handler Stefan Nilsson9
2010-09-23 17:49 ` Stefan Nilsson9 [this message]
2010-09-24 7:02 ` [PATCH 1/4] Resources for U5500 mbox " Stefan Nilsson XK
2010-09-23 17:49 ` [PATCH 2/4] U5500 generic modem IRQ handler Stefan Nilsson9
2010-09-23 17:49 ` [PATCH 3/4] U5500 mailbox driver Stefan Nilsson9
2010-09-23 17:49 ` [PATCH 4/4] Build configuration for U5500 mbox and modem irq handler Stefan Nilsson9
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1285264197-9316-2-git-send-email-stefan.xk.nilsson@stericsson.com \
--to=stefan.xk.nilsson@stericsson.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).