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Subject[PATCH 09/11] msm: dma: Support msm8x60 dma
Date
Unlike previous targets, 8x60 has two different ADMs, which are managed
separately.

Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org>
---
arch/arm/mach-msm/Makefile | 3 +-
arch/arm/mach-msm/board-msm8x60.c | 9 +++-
arch/arm/mach-msm/devices-msm8x60.c | 56 +++++++++++++++++++++++
arch/arm/mach-msm/devices.h | 2 +
arch/arm/mach-msm/dma.c | 17 +++++--
arch/arm/mach-msm/include/mach/dma.h | 55 ++++++++++++++++------
arch/arm/mach-msm/include/mach/msm_iomap-8x60.h | 6 +++
7 files changed, 126 insertions(+), 22 deletions(-)
create mode 100644 arch/arm/mach-msm/devices-msm8x60.c
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 86acfa3..9998f75 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_MSM_IOMMU) += iommu.o iommu_dev.o devices-iommu.o
obj-$(CONFIG_ARCH_MSM7X00A) += dma.o irq.o acpuclock-arm11.o
obj-$(CONFIG_ARCH_MSM7X30) += dma.o
obj-$(CONFIG_ARCH_QSD8X50) += dma.o sirc.o
+obj-$(CONFIG_ARCH_MSM8X60) += dma.o
obj-$(CONFIG_ARCH_MSM8960) += clock-dummy.o

obj-$(CONFIG_MSM_PROC_COMM) += proc_comm.o clock-pcom.o vreg.o
@@ -24,7 +25,7 @@ obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o b
obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o devices-msm7x00.o
obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o
obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o
-obj-$(CONFIG_ARCH_MSM8X60) += board-msm8x60.o
+obj-$(CONFIG_ARCH_MSM8X60) += board-msm8x60.o devices-msm8x60.o
obj-$(CONFIG_ARCH_MSM8960) += board-msm8960.o devices-msm8960.o

obj-$(CONFIG_ARCH_MSM7X30) += gpiomux-v1.o gpiomux.o
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c
index b3c55f1..92105c4 100644
--- a/arch/arm/mach-msm/board-msm8x60.c
+++ b/arch/arm/mach-msm/board-msm8x60.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -28,12 +28,18 @@
#include <mach/board.h>
#include <mach/msm_iomap.h>

+#include <devices.h>

static void __init msm8x60_map_io(void)
{
msm_map_msm8x60_io();
}

+static struct platform_device *devices[] __initdata = {
+ &msm_device_dmov_adm0,
+ &msm_device_dmov_adm1,
+};
+
static void __init msm8x60_init_irq(void)
{
unsigned int i;
@@ -62,6 +68,7 @@ static void __init msm8x60_init_irq(void)

static void __init msm8x60_init(void)
{
+ platform_add_devices(devices, ARRAY_SIZE(devices));
}

MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3")
diff --git a/arch/arm/mach-msm/devices-msm8x60.c b/arch/arm/mach-msm/devices-msm8x60.c
new file mode 100644
index 0000000..33c236c
--- /dev/null
+++ b/arch/arm/mach-msm/devices-msm8x60.c
@@ -0,0 +1,56 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <mach/board.h>
+#include <mach/msm_iomap.h>
+#include <mach/dma.h>
+
+static struct resource resources_dmov_adm0[] = {
+ {
+ .start = MSM8X60_DMOV_ADM0_PHYS,
+ .end = MSM8X60_DMOV_ADM0_PHYS + MSM8X60_DMOV_ADM0_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_ADM0_AARM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource resources_dmov_adm1[] = {
+ {
+ .start = MSM8X60_DMOV_ADM1_PHYS,
+ .end = MSM8X60_DMOV_ADM1_PHYS + MSM8X60_DMOV_ADM1_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_ADM1_AARM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device msm_device_dmov_adm0 = {
+ .name = "msm_dmov",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(resources_dmov_adm0),
+ .resource = resources_dmov_adm0,
+};
+
+struct platform_device msm_device_dmov_adm1 = {
+ .name = "msm_dmov",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(resources_dmov_adm1),
+ .resource = resources_dmov_adm1,
+};
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 54ebfee..0abf25f 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -41,6 +41,8 @@ extern struct platform_device msm_device_i2c;
extern struct platform_device msm_device_smd;

extern struct platform_device msm_device_dmov;
+extern struct platform_device msm_device_dmov_adm0;
+extern struct platform_device msm_device_dmov_adm1;

extern struct platform_device msm_device_nand;

diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index 5510c61..44d9621 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -51,17 +51,24 @@ struct msm_dmov_conf {
static struct msm_dmov_conf dmov_conf[MSM_DMOV_MAX_ADMS];
static int nr_adms;

-#define DMOV_SD0(off, ch) (0x0000 + (off) + ((ch) << 2))
-#define DMOV_SD1(off, ch) (0x0400 + (off) + ((ch) << 2))
-#define DMOV_SD2(off, ch) (0x0800 + (off) + ((ch) << 2))
-#define DMOV_SD3(off, ch) (0x0C00 + (off) + ((ch) << 2))
-
#if defined(CONFIG_ARCH_MSM7X30)
#define DMOV_SD_AARM DMOV_SD2
+#define DMOV_SD_SIZE 0x400
+#elif defined(CONFIG_ARCH_MSM8X60)
+#define DMOV_SD_AARM DMOV_SD1
+#define DMOV_SD_SIZE 0x800
#else
#define DMOV_SD_AARM DMOV_SD3
+#define DMOV_SD_SIZE 0x400
#endif

+#define DMOV_ADDR(sd, off, ch) (((sd) * DMOV_SD_SIZE) + (off) + ((ch) << 2))
+
+#define DMOV_SD0(off, ch) DMOV_ADDR(0, off, ch)
+#define DMOV_SD1(off, ch) DMOV_ADDR(1, off, ch)
+#define DMOV_SD2(off, ch) DMOV_ADDR(2, off, ch)
+#define DMOV_SD3(off, ch) DMOV_ADDR(3, off, ch)
+
#define DMOV_CMD_PTR(ch) DMOV_SD_AARM(0x000, ch)
#define DMOV_RSLT(ch) DMOV_SD_AARM(0x040, ch)
#define DMOV_FLUSH0(ch) DMOV_SD_AARM(0x080, ch)
diff --git a/arch/arm/mach-msm/include/mach/dma.h b/arch/arm/mach-msm/include/mach/dma.h
index 23041c7..3d67773 100644
--- a/arch/arm/mach-msm/include/mach/dma.h
+++ b/arch/arm/mach-msm/include/mach/dma.h
@@ -34,24 +34,10 @@ struct msm_dmov_cmd {
void *data;
};

-#ifndef CONFIG_ARCH_MSM8X60
int msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd);
int msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd, int graceful);
int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr);
int msm_dmov_flush(unsigned int id);
-#else
-static inline
-int msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd) { return -EIO; }
-static inline
-int msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd, int graceful)
-{
- return -EIO;
-}
-static inline
-int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr) { return -EIO; }
-static inline
-int msm_dmov_flush(unsigned int id) { return -EIO; }
-#endif

#define DMOV_CMD_LIST (0 << 29) /* does not work */
#define DMOV_CMD_PTR_LIST (1 << 29) /* works */
@@ -76,8 +62,47 @@ int msm_dmov_flush(unsigned int id) { return -EIO; }
#define DMOV_CONFIG_FORCE_FLUSH_RSLT (1 << 1)
#define DMOV_CONFIG_IRQ_EN (1 << 0)

-/* channel assignments */
+#define DMOV_8X60_GP_CHAN 16
+
+#define DMOV_8X60_CE_IN_CHAN 2
+#define DMOV_8X60_CE_IN_CRCI 4
+
+#define DMOV_8X60_CE_OUT_CHAN 3
+#define DMOV_8X60_CE_OUT_CRCI 5
+
+#define DMOV_8X60_CE_HASH_CRCI 15
+
+#define DMOV_8X60_SDC1_CHAN 18
+#define DMOV_8X60_SDC1_CRCI 1
+
+#define DMOV_8X60_SDC2_CHAN 19
+#define DMOV_8X60_SDC2_CRCI 4
+
+#define DMOV_8X60_SDC3_CHAN 20
+#define DMOV_8X60_SDC3_CRCI 2
+
+#define DMOV_8X60_SDC4_CHAN 21
+#define DMOV_8X60_SDC4_CRCI 5
+
+#define DMOV_8X60_SDC5_CHAN 21
+#define DMOV_8X60_SDC5_CRCI 14
+
+#define DMOV_8X60_TSIF_CHAN 4
+#define DMOV_8X60_TSIF_CRCI 6
+
+#define DMOV_8X60_HSUART1_TX_CHAN 22
+#define DMOV_8X60_HSUART1_TX_CRCI 8
+
+#define DMOV_8X60_HSUART1_RX_CHAN 23
+#define DMOV_8X60_HSUART1_RX_CRCI 9
+
+#define DMOV_8X60_HSUART2_TX_CHAN 8
+#define DMOV_8X60_HSUART2_TX_CRCI 13
+
+#define DMOV_8X60_HSUART2_RX_CHAN 8
+#define DMOV_8X60_HSUART2_RX_CRCI 14

+/* channel assignments before 8x60 */
#define DMOV_NAND_CHAN 7
#define DMOV_NAND_CRCI_CMD 5
#define DMOV_NAND_CRCI_DATA 4
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
index 3b19b8f..87a26c6 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
@@ -56,6 +56,12 @@
#define MSM_SHARED_RAM_BASE IOMEM(0xF0100000)
#define MSM_SHARED_RAM_SIZE SZ_1M

+#define MSM8X60_DMOV_ADM0_PHYS 0x18320000
+#define MSM8X60_DMOV_ADM0_SIZE SZ_1M
+
+#define MSM8X60_DMOV_ADM1_PHYS 0x18420000
+#define MSM8X60_DMOV_ADM1_SIZE SZ_1M
+
#define MSM8X60_TMR_PHYS 0x02000000
#define MSM8X60_TMR_SIZE SZ_4K

--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.


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