diff options
Diffstat (limited to 'arch/arm/mach-s5pc100/dma.c')
| -rw-r--r-- | arch/arm/mach-s5pc100/dma.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/dma.c b/arch/arm/mach-s5pc100/dma.c new file mode 100644 index 00000000000..0f5517571e2 --- /dev/null +++ b/arch/arm/mach-s5pc100/dma.c @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2010 Samsung Electronics Co. Ltd. + * Jaswinder Singh <jassi.brar@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> + +#include <plat/devs.h> + +#include <mach/map.h> +#include <mach/irqs.h> + +#include <plat/s3c-pl330-pdata.h> + +static u64 dma_dmamask = DMA_BIT_MASK(32); + +static struct resource s5pc100_pdma0_resource[] = { + [0] = { + .start = S5PC100_PA_PDMA0, + .end = S5PC100_PA_PDMA0 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_PDMA0, + .end = IRQ_PDMA0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct s3c_pl330_platdata s5pc100_pdma0_pdata = { + .peri = { + [0] = DMACH_UART0_RX, + [1] = DMACH_UART0_TX, + [2] = DMACH_UART1_RX, + [3] = DMACH_UART1_TX, + [4] = DMACH_UART2_RX, + [5] = DMACH_UART2_TX, + [6] = DMACH_UART3_RX, + [7] = DMACH_UART3_TX, + [8] = DMACH_IRDA, + [9] = DMACH_I2S0_RX, + [10] = DMACH_I2S0_TX, + [11] = DMACH_I2S0S_TX, + [12] = DMACH_I2S1_RX, + [13] = DMACH_I2S1_TX, + [14] = DMACH_I2S2_RX, + [15] = DMACH_I2S2_TX, + [16] = DMACH_SPI0_RX, + [17] = DMACH_SPI0_TX, + [18] = DMACH_SPI1_RX, + [19] = DMACH_SPI1_TX, + [20] = DMACH_SPI2_RX, + [21] = DMACH_SPI2_TX, + [22] = DMACH_AC97_MICIN, + [23] = DMACH_AC97_PCMIN, + [24] = DMACH_AC97_PCMOUT, + [25] = DMACH_EXTERNAL, + [26] = DMACH_PWM, + [27] = DMACH_SPDIF, + [28] = DMACH_HSI_RX, + [29] = DMACH_HSI_TX, + [30] = DMACH_MAX, + [31] = DMACH_MAX, + }, +}; + +static struct platform_device s5pc100_device_pdma0 = { + .name = "s3c-pl330", + .id = 1, + .num_resources = ARRAY_SIZE(s5pc100_pdma0_resource), + .resource = s5pc100_pdma0_resource, + .dev = { + .dma_mask = &dma_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &s5pc100_pdma0_pdata, + }, +}; + +static struct resource s5pc100_pdma1_resource[] = { + [0] = { + .start = S5PC100_PA_PDMA1, + .end = S5PC100_PA_PDMA1 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_PDMA1, + .end = IRQ_PDMA1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct s3c_pl330_platdata s5pc100_pdma1_pdata = { + .peri = { + [0] = DMACH_UART0_RX, + [1] = DMACH_UART0_TX, + [2] = DMACH_UART1_RX, + [3] = DMACH_UART1_TX, + [4] = DMACH_UART2_RX, + [5] = DMACH_UART2_TX, + [6] = DMACH_UART3_RX, + [7] = DMACH_UART3_TX, + [8] = DMACH_IRDA, + [9] = DMACH_I2S0_RX, + [10] = DMACH_I2S0_TX, + [11] = DMACH_I2S0S_TX, + [12] = DMACH_I2S1_RX, + [13] = DMACH_I2S1_TX, + [14] = DMACH_I2S2_RX, + [15] = DMACH_I2S2_TX, + [16] = DMACH_SPI0_RX, + [17] = DMACH_SPI0_TX, + [18] = DMACH_SPI1_RX, + [19] = DMACH_SPI1_TX, + [20] = DMACH_SPI2_RX, + [21] = DMACH_SPI2_TX, + [22] = DMACH_PCM0_RX, + [23] = DMACH_PCM0_TX, + [24] = DMACH_PCM1_RX, + [25] = DMACH_PCM1_TX, + [26] = DMACH_MSM_REQ0, + [27] = DMACH_MSM_REQ1, + [28] = DMACH_MSM_REQ2, + [29] = DMACH_MSM_REQ3, + [30] = DMACH_MAX, + [31] = DMACH_MAX, + }, +}; + +static struct platform_device s5pc100_device_pdma1 = { + .name = "s3c-pl330", + .id = 2, + .num_resources = ARRAY_SIZE(s5pc100_pdma1_resource), + .resource = s5pc100_pdma1_resource, + .dev = { + .dma_mask = &dma_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &s5pc100_pdma1_pdata, + }, +}; + +static struct platform_device *s5pc100_dmacs[] __initdata = { + &s5pc100_device_pdma0, + &s5pc100_device_pdma1, +}; + +static int __init s5pc100_dma_init(void) +{ + platform_add_devices(s5pc100_dmacs, ARRAY_SIZE(s5pc100_dmacs)); + + return 0; +} +arch_initcall(s5pc100_dma_init); |