e33ef5e3b3
Define resources for McASP1 used on DA830/OMAP-L137 EVM, add platform device defintion, initialization function. Additionally, this patch also adds version and FIFO related members to platform data structure. Signed-off-by: Chaithrika U S <chaithrika@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
/*
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* TI DA830/OMAP L137 EVM board
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*
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* Author: Mark A. Greer <mgreer@mvista.com>
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* Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
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*
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* 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/console.h>
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#include <linux/i2c.h>
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#include <linux/i2c/at24.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/cp_intc.h>
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#include <mach/da8xx.h>
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#include <mach/asp.h>
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#define DA830_EVM_PHY_MASK 0x0
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#define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
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static struct at24_platform_data da830_evm_i2c_eeprom_info = {
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.byte_len = SZ_256K / 8,
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.page_size = 64,
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.flags = AT24_FLAG_ADDR16,
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.setup = davinci_get_mac_addr,
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.context = (void *)0x7f00,
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};
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static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
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{
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I2C_BOARD_INFO("24c256", 0x50),
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.platform_data = &da830_evm_i2c_eeprom_info,
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},
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};
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static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
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.bus_freq = 100, /* kHz */
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.bus_delay = 0, /* usec */
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};
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static struct davinci_uart_config da830_evm_uart_config __initdata = {
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.enabled_uarts = 0x7,
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};
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static u8 da830_iis_serializer_direction[] = {
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RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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};
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static struct snd_platform_data da830_evm_snd_data = {
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.tx_dma_offset = 0x2000,
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.rx_dma_offset = 0x2000,
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.op_mode = DAVINCI_MCASP_IIS_MODE,
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.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
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.tdm_slots = 2,
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.serial_dir = da830_iis_serializer_direction,
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.eventq_no = EVENTQ_0,
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.version = MCASP_VERSION_2,
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.txnumevt = 1,
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.rxnumevt = 1,
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};
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static __init void da830_evm_init(void)
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{
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struct davinci_soc_info *soc_info = &davinci_soc_info;
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int ret;
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ret = da8xx_register_edma();
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if (ret)
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pr_warning("da830_evm_init: edma registration failed: %d\n",
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ret);
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ret = da8xx_pinmux_setup(da830_i2c0_pins);
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if (ret)
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pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
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ret);
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ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
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if (ret)
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pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
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ret);
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soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
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soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
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soc_info->emac_pdata->rmii_en = 1;
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ret = da8xx_pinmux_setup(da830_cpgmac_pins);
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if (ret)
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pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
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ret);
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ret = da8xx_register_emac();
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if (ret)
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pr_warning("da830_evm_init: emac registration failed: %d\n",
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ret);
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ret = da8xx_register_watchdog();
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if (ret)
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pr_warning("da830_evm_init: watchdog registration failed: %d\n",
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ret);
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davinci_serial_init(&da830_evm_uart_config);
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i2c_register_board_info(1, da830_evm_i2c_devices,
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ARRAY_SIZE(da830_evm_i2c_devices));
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ret = da8xx_pinmux_setup(da830_mcasp1_pins);
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if (ret)
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pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
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ret);
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da8xx_init_mcasp(1, &da830_evm_snd_data);
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}
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#ifdef CONFIG_SERIAL_8250_CONSOLE
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static int __init da830_evm_console_init(void)
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{
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return add_preferred_console("ttyS", 2, "115200");
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}
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console_initcall(da830_evm_console_init);
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#endif
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static __init void da830_evm_irq_init(void)
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{
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struct davinci_soc_info *soc_info = &davinci_soc_info;
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cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
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soc_info->intc_irq_prios);
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}
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static void __init da830_evm_map_io(void)
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{
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da830_init();
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}
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MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
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.phys_io = IO_PHYS,
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.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
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.boot_params = (DA8XX_DDR_BASE + 0x100),
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.map_io = da830_evm_map_io,
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.init_irq = da830_evm_irq_init,
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.timer = &davinci_timer,
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.init_machine = da830_evm_init,
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MACHINE_END
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