From f0a13854be269357ff70022524ec503d3cba6a32 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 10 Jan 2006 16:59:28 +0000 Subject: [ARM] 3243/2: AT91RM9200 support for 2.6 (Atmel DK & EK boards) Patch from Andrew Victor This patch adds support to the 2.6 kernel series for the Atmel AT91RM9200 processor. This patch is the support for Atmel's DK and EK boards. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mach-at91rm9200/Makefile | 4 +- arch/arm/mach-at91rm9200/board-dk.c | 138 ++++++++++++++++++++++++++++++++++++ arch/arm/mach-at91rm9200/board-ek.c | 131 ++++++++++++++++++++++++++++++++++ 3 files changed, 271 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mach-at91rm9200/board-dk.c create mode 100644 arch/arm/mach-at91rm9200/board-ek.c (limited to 'arch/arm/mach-at91rm9200') diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile index 1f2805ca6e2..a1b4ea3ec47 100644 --- a/arch/arm/mach-at91rm9200/Makefile +++ b/arch/arm/mach-at91rm9200/Makefile @@ -8,8 +8,8 @@ obj-n := obj- := # Board-specific support -#obj-$(CONFIG_ARCH_AT91RM9200DK) += board-dk.o -#obj-$(CONFIG_MACH_AT91RM9200EK) += board-ek.o +obj-$(CONFIG_ARCH_AT91RM9200DK) += board-dk.o +obj-$(CONFIG_MACH_AT91RM9200EK) += board-ek.o #obj-$(CONFIG_MACH_CSB337) += board-csb337.o #obj-$(CONFIG_MACH_CSB637) += board-csb637.o #obj-$(CONFIG_MACH_CARMEVA) += board-carmeva.o diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c new file mode 100644 index 00000000000..8c747a31b95 --- /dev/null +++ b/arch/arm/mach-at91rm9200/board-dk.c @@ -0,0 +1,138 @@ +/* + * linux/arch/arm/mach-at91rm9200/board-dk.c + * + * Copyright (C) 2005 SAN People + * + * Epson S1D framebuffer glue code is: + * Copyright (C) 2005 Thibaut VARENE + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "generic.h" + +static void __init dk_init_irq(void) +{ + /* Initialize AIC controller */ + at91rm9200_init_irq(NULL); + + /* Set up the GPIO interrupts */ + at91_gpio_irq_setup(BGA_GPIO_BANKS); +} + +/* + * Serial port configuration. + * 0 .. 3 = USART0 .. USART3 + * 4 = DBGU + */ +#define DK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ +#define DK_SERIAL_CONSOLE 0 /* ttyS0 */ + +static void __init dk_map_io(void) +{ + int serial[AT91_NR_UART] = DK_UART_MAP; + int i; + + at91rm9200_map_io(); + + /* Initialize clocks: 18.432 MHz crystal */ + at91_clock_init(18432000); + +#ifdef CONFIG_SERIAL_AT91 + at91_console_port = DK_SERIAL_CONSOLE; + memcpy(at91_serial_map, serial, sizeof(serial)); + + /* Register UARTs */ + for (i = 0; i < AT91_NR_UART; i++) { + if (at91_serial_map[i] >= 0) + at91_register_uart(i, at91_serial_map[i]); + } +#endif +} + +static struct at91_eth_data __initdata dk_eth_data = { + .phy_irq_pin = AT91_PIN_PC4, + .is_rmii = 1, +}; + +static struct at91_usbh_data __initdata dk_usbh_data = { + .ports = 2, +}; + +static struct at91_udc_data __initdata dk_udc_data = { + .vbus_pin = AT91_PIN_PD4, + .pullup_pin = AT91_PIN_PD5, +}; + +static struct at91_cf_data __initdata dk_cf_data = { + .det_pin = AT91_PIN_PB0, + .rst_pin = AT91_PIN_PC5, + // .irq_pin = ... not connected + // .vcc_pin = ... always powered +}; + +static struct at91_mmc_data __initdata dk_mmc_data = { + .is_b = 0, + .wire4 = 1, +}; + +static void __init dk_board_init(void) +{ + /* Ethernet */ + at91_add_device_eth(&dk_eth_data); + /* USB Host */ + at91_add_device_usbh(&dk_usbh_data); + /* USB Device */ + at91_add_device_udc(&dk_udc_data); + /* Compact Flash */ + at91_add_device_cf(&dk_cf_data); + /* MMC */ + at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */ + at91_add_device_mmc(&dk_mmc_data); + /* VGA */ +// dk_add_device_video(); +} + +MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK") + /* Maintainer: SAN People/Atmel */ + .phys_ram = AT91_SDRAM_BASE, + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91rm9200_timer, + .map_io = dk_map_io, + .init_irq = dk_init_irq, + .init_machine = dk_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c new file mode 100644 index 00000000000..d140645711b --- /dev/null +++ b/arch/arm/mach-at91rm9200/board-ek.c @@ -0,0 +1,131 @@ +/* + * linux/arch/arm/mach-at91rm9200/board-ek.c + * + * Copyright (C) 2005 SAN People + * + * Epson S1D framebuffer glue code is: + * Copyright (C) 2005 Thibaut VARENE + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "generic.h" + +static void __init ek_init_irq(void) +{ + /* Initialize AIC controller */ + at91rm9200_init_irq(NULL); + + /* Set up the GPIO interrupts */ + at91_gpio_irq_setup(BGA_GPIO_BANKS); +} + +/* + * Serial port configuration. + * 0 .. 3 = USART0 .. USART3 + * 4 = DBGU + */ +#define EK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ +#define EK_SERIAL_CONSOLE 0 /* ttyS0 */ + +static void __init ek_map_io(void) +{ + int serial[AT91_NR_UART] = EK_UART_MAP; + int i; + + at91rm9200_map_io(); + + /* Initialize clocks: 18.432 MHz crystal */ + at91_clock_init(18432000); + +#ifdef CONFIG_SERIAL_AT91 + at91_console_port = EK_SERIAL_CONSOLE; + memcpy(at91_serial_map, serial, sizeof(serial)); + + /* Register UARTs */ + for (i = 0; i < AT91_NR_UART; i++) { + if (serial[i] >= 0) + at91_register_uart(i, serial[i]); + } +#endif +} + +static struct at91_eth_data __initdata ek_eth_data = { + .phy_irq_pin = AT91_PIN_PC4, + .is_rmii = 1, +}; + +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PD4, + .pullup_pin = AT91_PIN_PD5, +}; + +static struct at91_mmc_data __initdata ek_mmc_data = { + .det_pin = AT91_PIN_PB27, + .is_b = 0, + .wire4 = 1, + .wp_pin = AT91_PIN_PA17, +}; + +static void __init ek_board_init(void) +{ + /* Ethernet */ + at91_add_device_eth(&ek_eth_data); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* MMC */ + at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */ + at91_add_device_mmc(&ek_mmc_data); + /* VGA */ +// ek_add_device_video(); +} + +MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK") + /* Maintainer: SAN People/Atmel */ + .phys_ram = AT91_SDRAM_BASE, + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91rm9200_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END -- cgit v1.2.3-18-g5258