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-rw-r--r--arch/sh/boards/mach-se/7724/setup.c120
1 files changed, 79 insertions, 41 deletions
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 255952555656..fdbec22ae687 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -1,43 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/sh/boards/se/7724/setup.c
*
* Copyright (C) 2009 Renesas Solutions Corp.
*
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * 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.
*/
+#include <asm/clock.h>
+#include <asm/heartbeat.h>
+#include <asm/io.h>
+#include <asm/suspend.h>
-#include <linux/init.h>
+#include <cpu/sh7724.h>
+
+#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/input/sh_keysc.h>
#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/mmc/host.h>
+#include <linux/memblock.h>
#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
#include <linux/mtd/physmap.h>
-#include <linux/delay.h>
+#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
-#include <linux/smc91x.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/input/sh_keysc.h>
-#include <linux/usb/r8a66597.h>
#include <linux/sh_eth.h>
#include <linux/sh_intc.h>
+#include <linux/smc91x.h>
+#include <linux/usb/r8a66597.h>
#include <linux/videodev2.h>
-#include <video/sh_mobile_lcdc.h>
-#include <media/drv-intf/sh_mobile_ceu.h>
+
+#include <mach-se/mach/se7724.h>
+#include <media/drv-intf/renesas-ceu.h>
+
#include <sound/sh_fsi.h>
#include <sound/simple_card.h>
-#include <asm/io.h>
-#include <asm/heartbeat.h>
-#include <asm/clock.h>
-#include <asm/suspend.h>
-#include <cpu/sh7724.h>
-#include <mach-se/mach/se7724.h>
+
+#include <video/sh_mobile_lcdc.h>
+
+#define CEU_BUFFER_MEMORY_SIZE (4 << 20)
+static phys_addr_t ceu0_dma_membase;
+static phys_addr_t ceu1_dma_membase;
/*
* SWx 1234 5678
@@ -216,8 +222,8 @@ static struct platform_device lcdc_device = {
};
/* CEU0 */
-static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
- .flags = SH_CEU_FLAG_USE_8BIT_BUS,
+static struct ceu_platform_data ceu0_pdata = {
+ .num_subdevs = 0,
};
static struct resource ceu0_resources[] = {
@@ -231,24 +237,21 @@ static struct resource ceu0_resources[] = {
.start = evt2irq(0x880),
.flags = IORESOURCE_IRQ,
},
- [2] = {
- /* place holder for contiguous memory */
- },
};
static struct platform_device ceu0_device = {
- .name = "sh_mobile_ceu",
- .id = 0, /* "ceu0" clock */
+ .name = "renesas-ceu",
+ .id = 0, /* "ceu.0" clock */
.num_resources = ARRAY_SIZE(ceu0_resources),
.resource = ceu0_resources,
.dev = {
- .platform_data = &sh_mobile_ceu0_info,
+ .platform_data = &ceu0_pdata,
},
};
/* CEU1 */
-static struct sh_mobile_ceu_info sh_mobile_ceu1_info = {
- .flags = SH_CEU_FLAG_USE_8BIT_BUS,
+static struct ceu_platform_data ceu1_pdata = {
+ .num_subdevs = 0,
};
static struct resource ceu1_resources[] = {
@@ -262,18 +265,15 @@ static struct resource ceu1_resources[] = {
.start = evt2irq(0x9e0),
.flags = IORESOURCE_IRQ,
},
- [2] = {
- /* place holder for contiguous memory */
- },
};
static struct platform_device ceu1_device = {
- .name = "sh_mobile_ceu",
- .id = 1, /* "ceu1" clock */
+ .name = "renesas-ceu",
+ .id = 1, /* "ceu.1" clock */
.num_resources = ARRAY_SIZE(ceu1_resources),
.resource = ceu1_resources,
.dev = {
- .platform_data = &sh_mobile_ceu1_info,
+ .platform_data = &ceu1_pdata,
},
};
@@ -574,13 +574,16 @@ static struct platform_device vou_device = {
},
};
+static struct platform_device *ms7724se_ceu_devices[] __initdata = {
+ &ceu0_device,
+ &ceu1_device,
+};
+
static struct platform_device *ms7724se_devices[] __initdata = {
&heartbeat_device,
&smc91x_eth_device,
&lcdc_device,
&nor_flash_device,
- &ceu0_device,
- &ceu1_device,
&keysc_device,
&sh_eth_device,
&sh7724_usb0_host_device,
@@ -797,7 +800,6 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_VIO0_CLK, NULL);
gpio_request(GPIO_FN_VIO0_FLD, NULL);
gpio_request(GPIO_FN_VIO0_HD, NULL);
- platform_resource_setup_memory(&ceu0_device, "ceu0", 4 << 20);
/* enable CEU1 */
gpio_request(GPIO_FN_VIO1_D7, NULL);
@@ -812,7 +814,6 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_VIO1_HD, NULL);
gpio_request(GPIO_FN_VIO1_VD, NULL);
gpio_request(GPIO_FN_VIO1_CLK, NULL);
- platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20);
/* KEYSC */
gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
@@ -934,12 +935,49 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_DV_VSYNC, NULL);
gpio_request(GPIO_FN_DV_HSYNC, NULL);
+ /* Initialize CEU platform devices separately to map memory first */
+ device_initialize(&ms7724se_ceu_devices[0]->dev);
+ arch_setup_pdev_archdata(ms7724se_ceu_devices[0]);
+ dma_declare_coherent_memory(&ms7724se_ceu_devices[0]->dev,
+ ceu0_dma_membase, ceu0_dma_membase,
+ ceu0_dma_membase +
+ CEU_BUFFER_MEMORY_SIZE - 1,
+ DMA_MEMORY_EXCLUSIVE);
+ platform_device_add(ms7724se_ceu_devices[0]);
+
+ device_initialize(&ms7724se_ceu_devices[1]->dev);
+ arch_setup_pdev_archdata(ms7724se_ceu_devices[1]);
+ dma_declare_coherent_memory(&ms7724se_ceu_devices[1]->dev,
+ ceu1_dma_membase, ceu1_dma_membase,
+ ceu1_dma_membase +
+ CEU_BUFFER_MEMORY_SIZE - 1,
+ DMA_MEMORY_EXCLUSIVE);
+ platform_device_add(ms7724se_ceu_devices[1]);
+
return platform_add_devices(ms7724se_devices,
ARRAY_SIZE(ms7724se_devices));
}
device_initcall(devices_setup);
+/* Reserve a portion of memory for CEU 0 and CEU 1 buffers */
+static void __init ms7724se_mv_mem_reserve(void)
+{
+ phys_addr_t phys;
+ phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
+
+ phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+ memblock_free(phys, size);
+ memblock_remove(phys, size);
+ ceu0_dma_membase = phys;
+
+ phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+ memblock_free(phys, size);
+ memblock_remove(phys, size);
+ ceu1_dma_membase = phys;
+}
+
static struct sh_machine_vector mv_ms7724se __initmv = {
.mv_name = "ms7724se",
.mv_init_irq = init_se7724_IRQ,
+ .mv_mem_reserve = ms7724se_mv_mem_reserve,
};
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-27 18:06:10 +0000