davinci: da8xx: Add support for DA830/OMAP-L137 EVM board (8593790d) · Commits · 戴 / test

arch/arm/configs/da830_omapl137_defconfig

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arch/arm/mach-davinci/Kconfig

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		@@ -89,6 +89,12 @@ config MACH_DAVINCI_DM365_EVM
		Configure this option to specify whether the board used
		for development is a DM365 EVM

		config MACH_DAVINCI_DA830_EVM
		bool "TI DA830/OMAP-L137 Reference Platform"
		default ARCH_DAVINCI_DA830
		depends on ARCH_DAVINCI_DA830
		help
		Say Y here to select the TI DA830/OMAP-L137 Evaluation Module.

		config DAVINCI_MUX
		bool "DAVINCI multiplexing support"

arch/arm/mach-davinci/Makefile

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		@@ -26,3 +26,4 @@ obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o
		obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
		obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o
		obj-$(CONFIG_MACH_DAVINCI_DM365_EVM) += board-dm365-evm.o
		obj-$(CONFIG_MACH_DAVINCI_DA830_EVM) += board-da830-evm.o

arch/arm/mach-davinci/board-da830-evm.c

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		/*
		* TI DA830/OMAP L137 EVM board
		*
		* Author: Mark A. Greer <mgreer@mvista.com>
		* Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
		*
		* 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
		* the terms of the GNU General Public License version 2. This program
		* is licensed "as is" without any warranty of any kind, whether express
		* or implied.
		*/
		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/init.h>
		#include <linux/console.h>
		#include <linux/i2c.h>
		#include <linux/i2c/at24.h>

		#include <asm/mach-types.h>
		#include <asm/mach/arch.h>

		#include <mach/common.h>
		#include <mach/irqs.h>
		#include <mach/cp_intc.h>
		#include <mach/da8xx.h>

		#define DA830_EVM_PHY_MASK 0x0
		#define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */

		static struct at24_platform_data da830_evm_i2c_eeprom_info = {
		.byte_len = SZ_256K / 8,
		.page_size = 64,
		.flags = AT24_FLAG_ADDR16,
		.setup = davinci_get_mac_addr,
		.context = (void *)0x7f00,
		};

		static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
		{
		I2C_BOARD_INFO("24c256", 0x50),
		.platform_data = &da830_evm_i2c_eeprom_info,
		},
		};

		static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
		.bus_freq = 100, /* kHz */
		.bus_delay = 0, /* usec */
		};

		static struct davinci_uart_config da830_evm_uart_config __initdata = {
		.enabled_uarts = 0x7,
		};

		static __init void da830_evm_init(void)
		{
		struct davinci_soc_info *soc_info = &davinci_soc_info;
		int ret;

		ret = da8xx_register_edma();
		if (ret)
		pr_warning("da830_evm_init: edma registration failed: %d\n",
		ret);

		ret = da830_pinmux_setup(da830_i2c0_pins);
		if (ret)
		pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
		ret);

		ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
		if (ret)
		pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
		ret);

		soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
		soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
		soc_info->emac_pdata->rmii_en = 1;

		ret = da830_pinmux_setup(da830_cpgmac_pins);
		if (ret)
		pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
		ret);

		ret = da8xx_register_emac();
		if (ret)
		pr_warning("da830_evm_init: emac registration failed: %d\n",
		ret);

		ret = da8xx_register_watchdog();
		if (ret)
		pr_warning("da830_evm_init: watchdog registration failed: %d\n",
		ret);

		davinci_serial_init(&da830_evm_uart_config);
		i2c_register_board_info(1, da830_evm_i2c_devices,
		ARRAY_SIZE(da830_evm_i2c_devices));
		}

		#ifdef CONFIG_SERIAL_8250_CONSOLE
		static int __init da830_evm_console_init(void)
		{
		return add_preferred_console("ttyS", 2, "115200");
		}
		console_initcall(da830_evm_console_init);
		#endif

		static __init void da830_evm_irq_init(void)
		{
		struct davinci_soc_info *soc_info = &davinci_soc_info;

		cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
		soc_info->intc_irq_prios);
		}

		static void __init da830_evm_map_io(void)
		{
		da830_init();
		}

		MACHINE_START(DAVINCI_DA8XX_EVM, "DaVinci DA830/OMAP L137 EVM")
		.phys_io = IO_PHYS,
		.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
		.boot_params = (DA8XX_DDR_BASE + 0x100),
		.map_io = da830_evm_map_io,
		.init_irq = da830_evm_irq_init,
		.timer = &davinci_timer,
		.init_machine = da830_evm_init,
		MACHINE_END

arch/arm/mach-davinci/include/mach/debug-macro.S

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		@@ -24,7 +24,14 @@
		tst \rx, #1 @ MMU enabled?
		moveq \rx, #0x01000000 @ physical base address
		movne \rx, #0xfe000000 @ virtual base
		#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
		#error Cannot enable DaVinci and DA8XX platforms concurrently
		#elif defined(CONFIG_MACH_DAVINCI_DA8XX_EVM)
		orr \rx, \rx, #0x00d00000 @ physical base address
		orr \rx, \rx, #0x0000d000 @ of UART 2
		#else
		orr \rx, \rx, #0x00c20000 @ UART 0
		#endif
		.endm

		.macro senduart,rd,rx

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