#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/io.h>
+#include <asm/hardware/iop_adma.h>
#define IOP13XX_UART_XTAL 33334000
#define IOP13XX_SETUP_DEBUG 0
}
#endif
+/* ADMA Channels */
+static struct resource iop13xx_adma_0_resources[] = {
+ [0] = {
+ .start = IOP13XX_ADMA_PHYS_BASE(0),
+ .end = IOP13XX_ADMA_UPPER_PA(0),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP13XX_ADMA0_EOT,
+ .end = IRQ_IOP13XX_ADMA0_EOT,
+ .flags = IORESOURCE_IRQ
+ },
+ [2] = {
+ .start = IRQ_IOP13XX_ADMA0_EOC,
+ .end = IRQ_IOP13XX_ADMA0_EOC,
+ .flags = IORESOURCE_IRQ
+ },
+ [3] = {
+ .start = IRQ_IOP13XX_ADMA0_ERR,
+ .end = IRQ_IOP13XX_ADMA0_ERR,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct resource iop13xx_adma_1_resources[] = {
+ [0] = {
+ .start = IOP13XX_ADMA_PHYS_BASE(1),
+ .end = IOP13XX_ADMA_UPPER_PA(1),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP13XX_ADMA1_EOT,
+ .end = IRQ_IOP13XX_ADMA1_EOT,
+ .flags = IORESOURCE_IRQ
+ },
+ [2] = {
+ .start = IRQ_IOP13XX_ADMA1_EOC,
+ .end = IRQ_IOP13XX_ADMA1_EOC,
+ .flags = IORESOURCE_IRQ
+ },
+ [3] = {
+ .start = IRQ_IOP13XX_ADMA1_ERR,
+ .end = IRQ_IOP13XX_ADMA1_ERR,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct resource iop13xx_adma_2_resources[] = {
+ [0] = {
+ .start = IOP13XX_ADMA_PHYS_BASE(2),
+ .end = IOP13XX_ADMA_UPPER_PA(2),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP13XX_ADMA2_EOT,
+ .end = IRQ_IOP13XX_ADMA2_EOT,
+ .flags = IORESOURCE_IRQ
+ },
+ [2] = {
+ .start = IRQ_IOP13XX_ADMA2_EOC,
+ .end = IRQ_IOP13XX_ADMA2_EOC,
+ .flags = IORESOURCE_IRQ
+ },
+ [3] = {
+ .start = IRQ_IOP13XX_ADMA2_ERR,
+ .end = IRQ_IOP13XX_ADMA2_ERR,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static u64 iop13xx_adma_dmamask = DMA_64BIT_MASK;
+static struct iop_adma_platform_data iop13xx_adma_0_data = {
+ .hw_id = 0,
+ .pool_size = PAGE_SIZE,
+};
+
+static struct iop_adma_platform_data iop13xx_adma_1_data = {
+ .hw_id = 1,
+ .pool_size = PAGE_SIZE,
+};
+
+static struct iop_adma_platform_data iop13xx_adma_2_data = {
+ .hw_id = 2,
+ .pool_size = PAGE_SIZE,
+};
+
+/* The ids are fixed up later in iop13xx_platform_init */
+static struct platform_device iop13xx_adma_0_channel = {
+ .name = "iop-adma",
+ .id = 0,
+ .num_resources = 4,
+ .resource = iop13xx_adma_0_resources,
+ .dev = {
+ .dma_mask = &iop13xx_adma_dmamask,
+ .coherent_dma_mask = DMA_64BIT_MASK,
+ .platform_data = (void *) &iop13xx_adma_0_data,
+ },
+};
+
+static struct platform_device iop13xx_adma_1_channel = {
+ .name = "iop-adma",
+ .id = 0,
+ .num_resources = 4,
+ .resource = iop13xx_adma_1_resources,
+ .dev = {
+ .dma_mask = &iop13xx_adma_dmamask,
+ .coherent_dma_mask = DMA_64BIT_MASK,
+ .platform_data = (void *) &iop13xx_adma_1_data,
+ },
+};
+
+static struct platform_device iop13xx_adma_2_channel = {
+ .name = "iop-adma",
+ .id = 0,
+ .num_resources = 4,
+ .resource = iop13xx_adma_2_resources,
+ .dev = {
+ .dma_mask = &iop13xx_adma_dmamask,
+ .coherent_dma_mask = DMA_64BIT_MASK,
+ .platform_data = (void *) &iop13xx_adma_2_data,
+ },
+};
+
void __init iop13xx_map_io(void)
{
/* Initialize the Static Page Table maps */
iotable_init(iop13xx_std_desc, ARRAY_SIZE(iop13xx_std_desc));
}
-static int init_uart = 0;
-static int init_i2c = 0;
+static int init_uart;
+static int init_i2c;
+static int init_adma;
void __init iop13xx_platform_init(void)
{
int i;
- u32 uart_idx, i2c_idx, plat_idx;
+ u32 uart_idx, i2c_idx, adma_idx, plat_idx;
struct platform_device *iop13xx_devices[IQ81340_MAX_PLAT_DEVICES];
/* set the bases so we can read the device id */
}
}
+ if (init_adma == IOP13XX_INIT_ADMA_DEFAULT) {
+ init_adma |= IOP13XX_INIT_ADMA_0;
+ init_adma |= IOP13XX_INIT_ADMA_1;
+ init_adma |= IOP13XX_INIT_ADMA_2;
+ }
+
plat_idx = 0;
uart_idx = 0;
i2c_idx = 0;
}
}
+ /* initialize adma channel ids and capabilities */
+ adma_idx = 0;
+ for (i = 0; i < IQ81340_NUM_ADMA; i++) {
+ struct iop_adma_platform_data *plat_data;
+ if ((init_adma & (1 << i)) && IOP13XX_SETUP_DEBUG)
+ printk(KERN_INFO
+ "Adding adma%d to platform device list\n", i);
+ switch (init_adma & (1 << i)) {
+ case IOP13XX_INIT_ADMA_0:
+ iop13xx_adma_0_channel.id = adma_idx++;
+ iop13xx_devices[plat_idx++] = &iop13xx_adma_0_channel;
+ plat_data = &iop13xx_adma_0_data;
+ dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
+ dma_cap_set(DMA_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_DUAL_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_ZERO_SUM, plat_data->cap_mask);
+ dma_cap_set(DMA_MEMSET, plat_data->cap_mask);
+ dma_cap_set(DMA_MEMCPY_CRC32C, plat_data->cap_mask);
+ dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
+ break;
+ case IOP13XX_INIT_ADMA_1:
+ iop13xx_adma_1_channel.id = adma_idx++;
+ iop13xx_devices[plat_idx++] = &iop13xx_adma_1_channel;
+ plat_data = &iop13xx_adma_1_data;
+ dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
+ dma_cap_set(DMA_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_DUAL_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_ZERO_SUM, plat_data->cap_mask);
+ dma_cap_set(DMA_MEMSET, plat_data->cap_mask);
+ dma_cap_set(DMA_MEMCPY_CRC32C, plat_data->cap_mask);
+ dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
+ break;
+ case IOP13XX_INIT_ADMA_2:
+ iop13xx_adma_2_channel.id = adma_idx++;
+ iop13xx_devices[plat_idx++] = &iop13xx_adma_2_channel;
+ plat_data = &iop13xx_adma_2_data;
+ dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
+ dma_cap_set(DMA_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_DUAL_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_ZERO_SUM, plat_data->cap_mask);
+ dma_cap_set(DMA_MEMSET, plat_data->cap_mask);
+ dma_cap_set(DMA_MEMCPY_CRC32C, plat_data->cap_mask);
+ dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
+ dma_cap_set(DMA_PQ_XOR, plat_data->cap_mask);
+ dma_cap_set(DMA_PQ_UPDATE, plat_data->cap_mask);
+ dma_cap_set(DMA_PQ_ZERO_SUM, plat_data->cap_mask);
+ break;
+ }
+ }
+
#ifdef CONFIG_MTD_PHYSMAP
iq8134x_flash_resource.end = iq8134x_flash_resource.start +
iq8134x_probe_flash_size() - 1;
return 1;
}
+static int __init iop13xx_init_adma_setup(char *str)
+{
+ if (str) {
+ while (*str != '\0') {
+ switch (*str) {
+ case '0':
+ init_adma |= IOP13XX_INIT_ADMA_0;
+ break;
+ case '1':
+ init_adma |= IOP13XX_INIT_ADMA_1;
+ break;
+ case '2':
+ init_adma |= IOP13XX_INIT_ADMA_2;
+ break;
+ case ',':
+ case '=':
+ break;
+ default:
+ PRINTK("\"iop13xx_init_adma\" malformed"
+ " at character: \'%c\'", *str);
+ *(str + 1) = '\0';
+ init_adma = IOP13XX_INIT_ADMA_DEFAULT;
+ }
+ str++;
+ }
+ }
+ return 1;
+}
+
+__setup("iop13xx_init_adma", iop13xx_init_adma_setup);
__setup("iop13xx_init_uart", iop13xx_init_uart_setup);
__setup("iop13xx_init_i2c", iop13xx_init_i2c_setup);
git.openpandora.org / pandora-kernel.git / blobdiff