| /* |
| * linux/arch/arm/mach-ep93xx/micro9.c |
| * |
| * Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH |
| * Manfred Gruber <m.gruber@tirol.com> |
| * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH |
| * Hubert Feurstein <hubert.feurstein@contec.at> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/io.h> |
| |
| #include <mach/hardware.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include "soc.h" |
| |
| /************************************************************************* |
| * Micro9 NOR Flash |
| * |
| * Micro9-High has up to 64MB of 32-bit flash on CS1 |
| * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1 |
| * Micro9-Lite uses a separate MTD map driver for flash support |
| * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1 |
| *************************************************************************/ |
| static unsigned int __init micro9_detect_bootwidth(void) |
| { |
| u32 v; |
| |
| /* Detect the bus width of the external flash memory */ |
| v = __raw_readl(EP93XX_SYSCON_SYSCFG); |
| if (v & EP93XX_SYSCON_SYSCFG_LCSN7) |
| return 4; /* 32-bit */ |
| else |
| return 2; /* 16-bit */ |
| } |
| |
| static void __init micro9_register_flash(void) |
| { |
| unsigned int width; |
| |
| if (machine_is_micro9()) |
| width = 4; |
| else if (machine_is_micro9m() || machine_is_micro9s()) |
| width = micro9_detect_bootwidth(); |
| else |
| width = 0; |
| |
| if (width) |
| ep93xx_register_flash(width, EP93XX_CS1_PHYS_BASE, SZ_64M); |
| } |
| |
| |
| /************************************************************************* |
| * Micro9 Ethernet |
| *************************************************************************/ |
| static struct ep93xx_eth_data __initdata micro9_eth_data = { |
| .phy_id = 0x1f, |
| }; |
| |
| |
| static void __init micro9_init_machine(void) |
| { |
| ep93xx_init_devices(); |
| ep93xx_register_eth(µ9_eth_data, 1); |
| micro9_register_flash(); |
| } |
| |
| |
| #ifdef CONFIG_MACH_MICRO9H |
| MACHINE_START(MICRO9, "Contec Micro9-High") |
| /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ |
| .atag_offset = 0x100, |
| .map_io = ep93xx_map_io, |
| .init_irq = ep93xx_init_irq, |
| .init_time = ep93xx_timer_init, |
| .init_machine = micro9_init_machine, |
| .init_late = ep93xx_init_late, |
| .restart = ep93xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_MICRO9M |
| MACHINE_START(MICRO9M, "Contec Micro9-Mid") |
| /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ |
| .atag_offset = 0x100, |
| .map_io = ep93xx_map_io, |
| .init_irq = ep93xx_init_irq, |
| .init_time = ep93xx_timer_init, |
| .init_machine = micro9_init_machine, |
| .init_late = ep93xx_init_late, |
| .restart = ep93xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_MICRO9L |
| MACHINE_START(MICRO9L, "Contec Micro9-Lite") |
| /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ |
| .atag_offset = 0x100, |
| .map_io = ep93xx_map_io, |
| .init_irq = ep93xx_init_irq, |
| .init_time = ep93xx_timer_init, |
| .init_machine = micro9_init_machine, |
| .init_late = ep93xx_init_late, |
| .restart = ep93xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_MICRO9S |
| MACHINE_START(MICRO9S, "Contec Micro9-Slim") |
| /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ |
| .atag_offset = 0x100, |
| .map_io = ep93xx_map_io, |
| .init_irq = ep93xx_init_irq, |
| .init_time = ep93xx_timer_init, |
| .init_machine = micro9_init_machine, |
| .init_late = ep93xx_init_late, |
| .restart = ep93xx_restart, |
| MACHINE_END |
| #endif |
