diff options
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/board-da830-evm.c | 127 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/debug-macro.S | 7 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/uncompress.h | 6 |
5 files changed, 145 insertions, 2 deletions
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index 312228ed848..646c569b75e 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -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" diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 385638c0a71..d183b11da46 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -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 diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c new file mode 100644 index 00000000000..0409eb67cfe --- /dev/null +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -0,0 +1,127 @@ +/* + * 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 diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index de3fc2182b4..69837a67d5f 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -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 diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h index 1e27475f9a2..0f1f12b6787 100644 --- a/arch/arm/mach-davinci/include/mach/uncompress.h +++ b/arch/arm/mach-davinci/include/mach/uncompress.h @@ -21,8 +21,10 @@ static u32 *uart; static u32 *get_uart_base(void) { - /* Add logic here for new platforms, using __macine_arch_type */ - return (u32 *)DAVINCI_UART0_BASE; + if (__machine_arch_type == MACH_TYPE_DAVINCI_DA8XX_EVM) + return (u32 *)DA8XX_UART2_BASE; + else + return (u32 *)DAVINCI_UART0_BASE; } /* PORT_16C550A, in polled non-fifo mode */ |