From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ww0-f41.google.com ([74.125.82.41]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Rd7uX-0000ha-Qx for barebox@lists.infradead.org; Tue, 20 Dec 2011 22:11:50 +0000 Received: by wgbdt12 with SMTP id dt12so10843258wgb.0 for ; Tue, 20 Dec 2011 14:11:48 -0800 (PST) From: franck.jullien@gmail.com Date: Tue, 20 Dec 2011 23:11:37 +0100 Message-Id: <1324419097-2786-2-git-send-email-franck.jullien@gmail.com> In-Reply-To: <1324419097-2786-1-git-send-email-franck.jullien@gmail.com> References: <1324419097-2786-1-git-send-email-franck.jullien@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/2] Add a generic board To: barebox@lists.infradead.org From: Franck Jullien In this generic configuration, the board can be run in the or1ksim simulator with the linux configuration file using the UART to print the console. Signed-off-by: Franck Jullien --- arch/openrisc/boards/generic/Makefile | 1 + arch/openrisc/boards/generic/config.h | 28 ++++++++++++++++++++++++++++ arch/openrisc/boards/generic/env/config | 20 ++++++++++++++++++++ arch/openrisc/boards/generic/generic.c | 19 +++++++++++++++++++ 4 files changed, 68 insertions(+), 0 deletions(-) create mode 100644 arch/openrisc/boards/generic/Makefile create mode 100644 arch/openrisc/boards/generic/config.h create mode 100644 arch/openrisc/boards/generic/env/config create mode 100644 arch/openrisc/boards/generic/generic.c diff --git a/arch/openrisc/boards/generic/Makefile b/arch/openrisc/boards/generic/Makefile new file mode 100644 index 0000000..d8a3d7f --- /dev/null +++ b/arch/openrisc/boards/generic/Makefile @@ -0,0 +1 @@ +obj-y += generic.o diff --git a/arch/openrisc/boards/generic/config.h b/arch/openrisc/boards/generic/config.h new file mode 100644 index 0000000..88d2929 --- /dev/null +++ b/arch/openrisc/boards/generic/config.h @@ -0,0 +1,28 @@ +#ifndef _GENERIC_NAMES_H_ +#define _GENERIC_NAMES_H_ + +#define CONFIG_SYS_CLK_FREQ 20000000 + +#define OPENRISC_TIMER_FREQ 20000000 + +#define OPENRISC_SOPC_MEMORY_BASE 0x00000000 +#define OPENRISC_SOPC_MEMORY_SIZE 0x02000000 + +#define OPENRISC_SOPC_UART_BASE 0x90000000 +#define CONFIG_SYS_UART_FREQ CONFIG_SYS_CLK_FREQ +#define CONFIG_SYS_UART_BAUD 115200 + +/* We reserve 256K for barebox */ +#define BAREBOX_RESERVED_SIZE 0x40000 + +/* Barebox will be at top of main memory */ +#define OPENRISC_SOPC_TEXT_BASE (OPENRISC_SOPC_MEMORY_BASE + OPENRISC_SOPC_MEMORY_SIZE - BAREBOX_RESERVED_SIZE) + +/* +* TEXT_BASE is defined here because STACK_BASE definition +* in include/asm-generic/memory_layout.h uses this name +*/ + +#define TEXT_BASE OPENRISC_SOPC_TEXT_BASE + +#endif diff --git a/arch/openrisc/boards/generic/env/config b/arch/openrisc/boards/generic/env/config new file mode 100644 index 0000000..9dee8d9 --- /dev/null +++ b/arch/openrisc/boards/generic/env/config @@ -0,0 +1,20 @@ +#!/bin/sh + +# can be either 'net' or 'flash' +kernel=flash +root=flash + +kernel_loc=nor +kernelimage_type=uimage + +# use 'dhcp' todo dhcp in barebox and in kernel +ip=none + +autoboot_timeout=3 + +nor_parts="256k(barebox),128k(env),4M(kernel),-(rootfs)" + +bootargs="console=ttyS0,9600" + +# set a fancy prompt (if support is compiled in) +PS1="\e[1;33mbarebox@\e[1;32mor32:\w\e[0m " diff --git a/arch/openrisc/boards/generic/generic.c b/arch/openrisc/boards/generic/generic.c new file mode 100644 index 0000000..6a9ce5b --- /dev/null +++ b/arch/openrisc/boards/generic/generic.c @@ -0,0 +1,19 @@ +#include +#include +#include +#include +#include + +static struct NS16550_plat serial_plat = { + .clock = 50000000, /* 48MHz (APLL96/2) */ + .shift = 0, +}; + +static int openrisc_console_init(void) +{ + /* Register the serial port */ + add_ns16550_device(-1, OPENRISC_SOPC_UART_BASE, 1024, IORESOURCE_MEM_8BIT, &serial_plat); + return 0; +} + +console_initcall(openrisc_console_init); -- 1.7.7 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox