diff options
Diffstat (limited to 'arch/arm/mach-davinci/devices-da8xx.c')
-rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c new file mode 100644 index 00000000000..c367055ae9b --- /dev/null +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -0,0 +1,287 @@ +/* + * DA8XX/OMAP L1XX platform device data + * + * Copyright (c) 2007-2009, MontaVista Software, Inc. <source@mvista.com> + * Derived from code that was: + * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.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. + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <linux/serial_8250.h> + +#include <mach/cputype.h> +#include <mach/common.h> +#include <mach/time.h> +#include <mach/da8xx.h> + +#include "clock.h" + +#define DA8XX_TPCC_BASE 0x01c00000 +#define DA8XX_TPTC0_BASE 0x01c08000 +#define DA8XX_TPTC1_BASE 0x01c08400 +#define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */ +#define DA8XX_I2C0_BASE 0x01c22000 +#define DA8XX_EMAC_CPPI_PORT_BASE 0x01e20000 +#define DA8XX_EMAC_CPGMACSS_BASE 0x01e22000 +#define DA8XX_EMAC_CPGMAC_BASE 0x01e23000 +#define DA8XX_EMAC_MDIO_BASE 0x01e24000 +#define DA8XX_GPIO_BASE 0x01e26000 +#define DA8XX_I2C1_BASE 0x01e28000 + +#define DA8XX_EMAC_CTRL_REG_OFFSET 0x3000 +#define DA8XX_EMAC_MOD_REG_OFFSET 0x2000 +#define DA8XX_EMAC_RAM_OFFSET 0x0000 +#define DA8XX_MDIO_REG_OFFSET 0x4000 +#define DA8XX_EMAC_CTRL_RAM_SIZE SZ_8K + +static struct plat_serial8250_port da8xx_serial_pdata[] = { + { + .mapbase = DA8XX_UART0_BASE, + .irq = IRQ_DA8XX_UARTINT0, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .mapbase = DA8XX_UART1_BASE, + .irq = IRQ_DA8XX_UARTINT1, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .mapbase = DA8XX_UART2_BASE, + .irq = IRQ_DA8XX_UARTINT2, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .flags = 0, + }, +}; + +struct platform_device da8xx_serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = da8xx_serial_pdata, + }, +}; + +static const s8 da8xx_dma_chan_no_event[] = { + 20, 21, + -1 +}; + +static const s8 da8xx_queue_tc_mapping[][2] = { + /* {event queue no, TC no} */ + {0, 0}, + {1, 1}, + {-1, -1} +}; + +static const s8 da8xx_queue_priority_mapping[][2] = { + /* {event queue no, Priority} */ + {0, 3}, + {1, 7}, + {-1, -1} +}; + +static struct edma_soc_info da8xx_edma_info[] = { + { + .n_channel = 32, + .n_region = 4, + .n_slot = 128, + .n_tc = 2, + .n_cc = 1, + .noevent = da8xx_dma_chan_no_event, + .queue_tc_mapping = da8xx_queue_tc_mapping, + .queue_priority_mapping = da8xx_queue_priority_mapping, + }, +}; + +static struct resource da8xx_edma_resources[] = { + { + .name = "edma_cc0", + .start = DA8XX_TPCC_BASE, + .end = DA8XX_TPCC_BASE + SZ_32K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc0", + .start = DA8XX_TPTC0_BASE, + .end = DA8XX_TPTC0_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc1", + .start = DA8XX_TPTC1_BASE, + .end = DA8XX_TPTC1_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma0", + .start = IRQ_DA8XX_TCERRINT0, + .flags = IORESOURCE_IRQ, + }, + { + .name = "edma0_err", + .start = IRQ_DA8XX_CCERRINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da8xx_edma_device = { + .name = "edma", + .id = -1, + .dev = { + .platform_data = da8xx_edma_info, + }, + .num_resources = ARRAY_SIZE(da8xx_edma_resources), + .resource = da8xx_edma_resources, +}; + +int __init da8xx_register_edma(void) +{ + return platform_device_register(&da8xx_edma_device); +} + +static struct resource da8xx_i2c_resources0[] = { + { + .start = DA8XX_I2C0_BASE, + .end = DA8XX_I2C0_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_I2CINT0, + .end = IRQ_DA8XX_I2CINT0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da8xx_i2c_device0 = { + .name = "i2c_davinci", + .id = 1, + .num_resources = ARRAY_SIZE(da8xx_i2c_resources0), + .resource = da8xx_i2c_resources0, +}; + +static struct resource da8xx_i2c_resources1[] = { + { + .start = DA8XX_I2C1_BASE, + .end = DA8XX_I2C1_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_I2CINT1, + .end = IRQ_DA8XX_I2CINT1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da8xx_i2c_device1 = { + .name = "i2c_davinci", + .id = 2, + .num_resources = ARRAY_SIZE(da8xx_i2c_resources1), + .resource = da8xx_i2c_resources1, +}; + +int __init da8xx_register_i2c(int instance, + struct davinci_i2c_platform_data *pdata) +{ + struct platform_device *pdev; + + if (instance == 0) + pdev = &da8xx_i2c_device0; + else if (instance == 1) + pdev = &da8xx_i2c_device1; + else + return -EINVAL; + + pdev->dev.platform_data = pdata; + return platform_device_register(pdev); +} + +static struct resource da8xx_watchdog_resources[] = { + { + .start = DA8XX_WDOG_BASE, + .end = DA8XX_WDOG_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device davinci_wdt_device = { + .name = "watchdog", + .id = -1, + .num_resources = ARRAY_SIZE(da8xx_watchdog_resources), + .resource = da8xx_watchdog_resources, +}; + +int __init da8xx_register_watchdog(void) +{ + return platform_device_register(&davinci_wdt_device); +} + +static struct resource da8xx_emac_resources[] = { + { + .start = DA8XX_EMAC_CPPI_PORT_BASE, + .end = DA8XX_EMAC_CPPI_PORT_BASE + 0x5000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_C0_RX_THRESH_PULSE, + .end = IRQ_DA8XX_C0_RX_THRESH_PULSE, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_C0_RX_PULSE, + .end = IRQ_DA8XX_C0_RX_PULSE, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_C0_TX_PULSE, + .end = IRQ_DA8XX_C0_TX_PULSE, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_C0_MISC_PULSE, + .end = IRQ_DA8XX_C0_MISC_PULSE, + .flags = IORESOURCE_IRQ, + }, +}; + +struct emac_platform_data da8xx_emac_pdata = { + .ctrl_reg_offset = DA8XX_EMAC_CTRL_REG_OFFSET, + .ctrl_mod_reg_offset = DA8XX_EMAC_MOD_REG_OFFSET, + .ctrl_ram_offset = DA8XX_EMAC_RAM_OFFSET, + .mdio_reg_offset = DA8XX_MDIO_REG_OFFSET, + .ctrl_ram_size = DA8XX_EMAC_CTRL_RAM_SIZE, + .version = EMAC_VERSION_2, +}; + +static struct platform_device da8xx_emac_device = { + .name = "davinci_emac", + .id = 1, + .dev = { + .platform_data = &da8xx_emac_pdata, + }, + .num_resources = ARRAY_SIZE(da8xx_emac_resources), + .resource = da8xx_emac_resources, +}; + +int __init da8xx_register_emac(void) +{ + return platform_device_register(&da8xx_emac_device); +} |