diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-iop32x/glantank.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/iq31244.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/iq80321.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/n2100.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-iop33x/iq80331.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-iop33x/iq80332.c | 3 | ||||
| -rw-r--r-- | arch/arm/plat-iop/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/plat-iop/adma.c | 209 |
8 files changed, 229 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c index 5776fd88411..2b086ab2668 100644 --- a/arch/arm/mach-iop32x/glantank.c +++ b/arch/arm/mach-iop32x/glantank.c @@ -180,6 +180,8 @@ static void __init glantank_init_machine(void) platform_device_register(&iop3xx_i2c1_device); platform_device_register(&glantank_flash_device); platform_device_register(&glantank_serial_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); pm_power_off = glantank_power_off; } diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c index d4eefbea1fe..98cfa1cd6bd 100644 --- a/arch/arm/mach-iop32x/iq31244.c +++ b/arch/arm/mach-iop32x/iq31244.c @@ -298,9 +298,14 @@ static void __init iq31244_init_machine(void) platform_device_register(&iop3xx_i2c1_device); platform_device_register(&iq31244_flash_device); platform_device_register(&iq31244_serial_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); if (is_ep80219()) pm_power_off = ep80219_power_off; + + if (!is_80219()) + platform_device_register(&iop3xx_aau_channel); } static int __init force_ep80219_setup(char *str) diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c index 8d9f49164a8..18ad29f213b 100644 --- a/arch/arm/mach-iop32x/iq80321.c +++ b/arch/arm/mach-iop32x/iq80321.c @@ -181,6 +181,9 @@ static void __init iq80321_init_machine(void) platform_device_register(&iop3xx_i2c1_device); platform_device_register(&iq80321_flash_device); platform_device_register(&iq80321_serial_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); + platform_device_register(&iop3xx_aau_channel); } MACHINE_START(IQ80321, "Intel IQ80321") diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c index d55005d6478..390a97d39e5 100644 --- a/arch/arm/mach-iop32x/n2100.c +++ b/arch/arm/mach-iop32x/n2100.c @@ -245,6 +245,8 @@ static void __init n2100_init_machine(void) platform_device_register(&iop3xx_i2c0_device); platform_device_register(&n2100_flash_device); platform_device_register(&n2100_serial_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); pm_power_off = n2100_power_off; diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c index 2b063180687..433188ebff2 100644 --- a/arch/arm/mach-iop33x/iq80331.c +++ b/arch/arm/mach-iop33x/iq80331.c @@ -136,6 +136,9 @@ static void __init iq80331_init_machine(void) platform_device_register(&iop33x_uart0_device); platform_device_register(&iop33x_uart1_device); platform_device_register(&iq80331_flash_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); + platform_device_register(&iop3xx_aau_channel); } MACHINE_START(IQ80331, "Intel IQ80331") diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c index 7889ce3cb08..416c09564cc 100644 --- a/arch/arm/mach-iop33x/iq80332.c +++ b/arch/arm/mach-iop33x/iq80332.c @@ -136,6 +136,9 @@ static void __init iq80332_init_machine(void) platform_device_register(&iop33x_uart0_device); platform_device_register(&iop33x_uart1_device); platform_device_register(&iq80332_flash_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); + platform_device_register(&iop3xx_aau_channel); } MACHINE_START(IQ80332, "Intel IQ80332") diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile index 4d2b1da3cd8..36bff032595 100644 --- a/arch/arm/plat-iop/Makefile +++ b/arch/arm/plat-iop/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_ARCH_IOP32X) += setup.o obj-$(CONFIG_ARCH_IOP32X) += time.o obj-$(CONFIG_ARCH_IOP32X) += io.o obj-$(CONFIG_ARCH_IOP32X) += cp6.o +obj-$(CONFIG_ARCH_IOP32X) += adma.o # IOP33X obj-$(CONFIG_ARCH_IOP33X) += gpio.o @@ -21,6 +22,7 @@ obj-$(CONFIG_ARCH_IOP33X) += setup.o obj-$(CONFIG_ARCH_IOP33X) += time.o obj-$(CONFIG_ARCH_IOP33X) += io.o obj-$(CONFIG_ARCH_IOP33X) += cp6.o +obj-$(CONFIG_ARCH_IOP33X) += adma.o # IOP13XX obj-$(CONFIG_ARCH_IOP13XX) += cp6.o diff --git a/arch/arm/plat-iop/adma.c b/arch/arm/plat-iop/adma.c new file mode 100644 index 00000000000..53c5e9a52eb --- /dev/null +++ b/arch/arm/plat-iop/adma.c @@ -0,0 +1,209 @@ +/* + * platform device definitions for the iop3xx dma/xor engines + * Copyright © 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ +#include <linux/platform_device.h> +#include <asm/hardware/iop3xx.h> +#include <linux/dma-mapping.h> +#include <asm/arch/adma.h> +#include <asm/hardware/iop_adma.h> + +#ifdef CONFIG_ARCH_IOP32X +#define IRQ_DMA0_EOT IRQ_IOP32X_DMA0_EOT +#define IRQ_DMA0_EOC IRQ_IOP32X_DMA0_EOC +#define IRQ_DMA0_ERR IRQ_IOP32X_DMA0_ERR + +#define IRQ_DMA1_EOT IRQ_IOP32X_DMA1_EOT +#define IRQ_DMA1_EOC IRQ_IOP32X_DMA1_EOC +#define IRQ_DMA1_ERR IRQ_IOP32X_DMA1_ERR + +#define IRQ_AA_EOT IRQ_IOP32X_AA_EOT +#define IRQ_AA_EOC IRQ_IOP32X_AA_EOC +#define IRQ_AA_ERR IRQ_IOP32X_AA_ERR +#endif +#ifdef CONFIG_ARCH_IOP33X +#define IRQ_DMA0_EOT IRQ_IOP33X_DMA0_EOT +#define IRQ_DMA0_EOC IRQ_IOP33X_DMA0_EOC +#define IRQ_DMA0_ERR IRQ_IOP33X_DMA0_ERR + +#define IRQ_DMA1_EOT IRQ_IOP33X_DMA1_EOT +#define IRQ_DMA1_EOC IRQ_IOP33X_DMA1_EOC +#define IRQ_DMA1_ERR IRQ_IOP33X_DMA1_ERR + +#define IRQ_AA_EOT IRQ_IOP33X_AA_EOT +#define IRQ_AA_EOC IRQ_IOP33X_AA_EOC +#define IRQ_AA_ERR IRQ_IOP33X_AA_ERR +#endif +/* AAU and DMA Channels */ +static struct resource iop3xx_dma_0_resources[] = { + [0] = { + .start = IOP3XX_DMA_PHYS_BASE(0), + .end = IOP3XX_DMA_UPPER_PA(0), + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_DMA0_EOT, + .end = IRQ_DMA0_EOT, + .flags = IORESOURCE_IRQ + }, + [2] = { + .start = IRQ_DMA0_EOC, + .end = IRQ_DMA0_EOC, + .flags = IORESOURCE_IRQ + }, + [3] = { + .start = IRQ_DMA0_ERR, + .end = IRQ_DMA0_ERR, + .flags = IORESOURCE_IRQ + } +}; + +static struct resource iop3xx_dma_1_resources[] = { + [0] = { + .start = IOP3XX_DMA_PHYS_BASE(1), + .end = IOP3XX_DMA_UPPER_PA(1), + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_DMA1_EOT, + .end = IRQ_DMA1_EOT, + .flags = IORESOURCE_IRQ + }, + [2] = { + .start = IRQ_DMA1_EOC, + .end = IRQ_DMA1_EOC, + .flags = IORESOURCE_IRQ + }, + [3] = { + .start = IRQ_DMA1_ERR, + .end = IRQ_DMA1_ERR, + .flags = IORESOURCE_IRQ + } +}; + + +static struct resource iop3xx_aau_resources[] = { + [0] = { + .start = IOP3XX_AAU_PHYS_BASE, + .end = IOP3XX_AAU_UPPER_PA, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_AA_EOT, + .end = IRQ_AA_EOT, + .flags = IORESOURCE_IRQ + }, + [2] = { + .start = IRQ_AA_EOC, + .end = IRQ_AA_EOC, + .flags = IORESOURCE_IRQ + }, + [3] = { + .start = IRQ_AA_ERR, + .end = IRQ_AA_ERR, + .flags = IORESOURCE_IRQ + } +}; + +static u64 iop3xx_adma_dmamask = DMA_32BIT_MASK; + +static struct iop_adma_platform_data iop3xx_dma_0_data = { + .hw_id = DMA0_ID, + .pool_size = PAGE_SIZE, +}; + +static struct iop_adma_platform_data iop3xx_dma_1_data = { + .hw_id = DMA1_ID, + .pool_size = PAGE_SIZE, +}; + +static struct iop_adma_platform_data iop3xx_aau_data = { + .hw_id = AAU_ID, + .pool_size = 3 * PAGE_SIZE, +}; + +struct platform_device iop3xx_dma_0_channel = { + .name = "iop-adma", + .id = 0, + .num_resources = 4, + .resource = iop3xx_dma_0_resources, + .dev = { + .dma_mask = &iop3xx_adma_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *) &iop3xx_dma_0_data, + }, +}; + +struct platform_device iop3xx_dma_1_channel = { + .name = "iop-adma", + .id = 1, + .num_resources = 4, + .resource = iop3xx_dma_1_resources, + .dev = { + .dma_mask = &iop3xx_adma_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *) &iop3xx_dma_1_data, + }, +}; + +struct platform_device iop3xx_aau_channel = { + .name = "iop-adma", + .id = 2, + .num_resources = 4, + .resource = iop3xx_aau_resources, + .dev = { + .dma_mask = &iop3xx_adma_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *) &iop3xx_aau_data, + }, +}; + +static int __init iop3xx_adma_cap_init(void) +{ + #ifdef CONFIG_ARCH_IOP32X /* the 32x DMA does not perform CRC32C */ + dma_cap_set(DMA_MEMCPY, iop3xx_dma_0_data.cap_mask); + dma_cap_set(DMA_INTERRUPT, iop3xx_dma_0_data.cap_mask); + #else + dma_cap_set(DMA_MEMCPY, iop3xx_dma_0_data.cap_mask); + dma_cap_set(DMA_MEMCPY_CRC32C, iop3xx_dma_0_data.cap_mask); + dma_cap_set(DMA_INTERRUPT, iop3xx_dma_0_data.cap_mask); + #endif + + #ifdef CONFIG_ARCH_IOP32X /* the 32x DMA does not perform CRC32C */ + dma_cap_set(DMA_MEMCPY, iop3xx_dma_1_data.cap_mask); + dma_cap_set(DMA_INTERRUPT, iop3xx_dma_1_data.cap_mask); + #else + dma_cap_set(DMA_MEMCPY, iop3xx_dma_1_data.cap_mask); + dma_cap_set(DMA_MEMCPY_CRC32C, iop3xx_dma_1_data.cap_mask); + dma_cap_set(DMA_INTERRUPT, iop3xx_dma_1_data.cap_mask); + #endif + + #ifdef CONFIG_ARCH_IOP32X /* the 32x AAU does not perform zero sum */ + dma_cap_set(DMA_XOR, iop3xx_aau_data.cap_mask); + dma_cap_set(DMA_MEMSET, iop3xx_aau_data.cap_mask); + dma_cap_set(DMA_INTERRUPT, iop3xx_aau_data.cap_mask); + #else + dma_cap_set(DMA_XOR, iop3xx_aau_data.cap_mask); + dma_cap_set(DMA_ZERO_SUM, iop3xx_aau_data.cap_mask); + dma_cap_set(DMA_MEMSET, iop3xx_aau_data.cap_mask); + dma_cap_set(DMA_INTERRUPT, iop3xx_aau_data.cap_mask); + #endif + + return 0; +} + +arch_initcall(iop3xx_adma_cap_init); |