[PATCH 11/12 v4-draft] MIPS: add qemu malta board support to barebox
Antony Pavlov
antonynpavlov at gmail.com
Tue Jul 5 05:52:48 EDT 2011
The only supported peripheral is ns16550 serial port.
Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
arch/mips/Makefile | 1 +
arch/mips/boards/qemu-malta/Kconfig | 2 +
arch/mips/boards/qemu-malta/Makefile | 1 +
arch/mips/boards/qemu-malta/config.h | 19 ++++++++++
arch/mips/boards/qemu-malta/serial.c | 61 ++++++++++++++++++++++++++++++++
arch/mips/configs/qemu-malta_defconfig | 45 +++++++++++++++++++++++
arch/mips/mach-malta/Kconfig | 5 +++
7 files changed, 134 insertions(+), 0 deletions(-)
create mode 100644 arch/mips/boards/qemu-malta/Kconfig
create mode 100644 arch/mips/boards/qemu-malta/Makefile
create mode 100644 arch/mips/boards/qemu-malta/config.h
create mode 100644 arch/mips/boards/qemu-malta/serial.c
create mode 100644 arch/mips/configs/qemu-malta_defconfig
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 7a88c2a..3fa3c3f 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -35,6 +35,7 @@ endif
LDFLAGS_barebox += -nostdlib
machine-$(CONFIG_MACH_MIPS_MALTA) := malta
+board-$(CONFIG_BOARD_QEMU_MALTA) := qemu-malta
machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
diff --git a/arch/mips/boards/qemu-malta/Kconfig b/arch/mips/boards/qemu-malta/Kconfig
new file mode 100644
index 0000000..ab93116
--- /dev/null
+++ b/arch/mips/boards/qemu-malta/Kconfig
@@ -0,0 +1,2 @@
+config BOARDINFO
+ default "qemu malta"
diff --git a/arch/mips/boards/qemu-malta/Makefile b/arch/mips/boards/qemu-malta/Makefile
new file mode 100644
index 0000000..ff1a655
--- /dev/null
+++ b/arch/mips/boards/qemu-malta/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_DRIVER_SERIAL_NS16550) += serial.o
diff --git a/arch/mips/boards/qemu-malta/config.h b/arch/mips/boards/qemu-malta/config.h
new file mode 100644
index 0000000..eb4ab08
--- /dev/null
+++ b/arch/mips/boards/qemu-malta/config.h
@@ -0,0 +1,19 @@
+/*
+ * 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
+ *
+ */
+
+/* nothing special yet */
diff --git a/arch/mips/boards/qemu-malta/serial.c b/arch/mips/boards/qemu-malta/serial.c
new file mode 100644
index 0000000..4f14d72
--- /dev/null
+++ b/arch/mips/boards/qemu-malta/serial.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2011 Antony Pavlov <antonynpavlov at gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * 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 <common.h>
+#include <types.h>
+#include <driver.h>
+#include <init.h>
+#include <ns16550.h>
+#include <mach/hardware.h>
+#include <asm/io.h>
+
+/** to work with the 8250 UART driver implementation we need this function */
+static unsigned int malta_uart_read(unsigned long base, unsigned char reg_idx)
+{
+ return __raw_readb((char *)base + reg_idx);
+}
+
+/** to work with the 8250 UART driver implementation we need this function */
+static void malta_uart_write(unsigned int val, unsigned long base, unsigned char reg_idx)
+{
+ __raw_writeb(val, (char *)base + reg_idx);
+}
+
+static struct NS16550_plat serial_plat = {
+ .clock = 1843200, /* no matter */
+ .f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR,
+ .reg_read = malta_uart_read,
+ .reg_write = malta_uart_write,
+};
+
+/* we are expecting always one serial interface */
+static struct device_d generic_malta_serial_device = {
+ .name = "serial_ns16550",
+ .map_base = DEBUG_LL_UART_ADDR,
+ .size = 8,
+ .platform_data = (void *)&serial_plat,
+};
+
+static int malta_console_init(void)
+{
+ /* Register the serial port */
+ return register_device(&generic_malta_serial_device);
+}
+console_initcall(malta_console_init);
diff --git a/arch/mips/configs/qemu-malta_defconfig b/arch/mips/configs/qemu-malta_defconfig
new file mode 100644
index 0000000..9be8662
--- /dev/null
+++ b/arch/mips/configs/qemu-malta_defconfig
@@ -0,0 +1,45 @@
+CONFIG_STACK_SIZE=0x7000
+CONFIG_BROKEN=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_LONGHELP=y
+CONFIG_HUSH_FANCY_PROMPT=y
+CONFIG_HUSH_GETOPT=y
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_MENU=y
+CONFIG_PASSWORD=y
+CONFIG_PARTITION=y
+# CONFIG_DEFAULT_ENVIRONMENT is not set
+CONFIG_POLLER=y
+CONFIG_DEBUG_INFO=y
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_MENU=y
+CONFIG_CMD_MENU_MANAGEMENT=y
+CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_CRC=y
+CONFIG_CMD_CRC_CMP=y
+CONFIG_CMD_MD5SUM=y
+CONFIG_CMD_SHA1SUM=y
+CONFIG_CMD_SHA256SUM=y
+CONFIG_CMD_MTEST=y
+CONFIG_CMD_FLASH=y
+CONFIG_CMD_RESET=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_PARTITION=y
+CONFIG_NET=y
+CONFIG_NET_DHCP=y
+CONFIG_NET_PING=y
+CONFIG_NET_TFTP=y
+CONFIG_NET_NETCONSOLE=y
+# CONFIG_SPI is not set
+CONFIG_MTD=y
+CONFIG_FS_CRAMFS=y
diff --git a/arch/mips/mach-malta/Kconfig b/arch/mips/mach-malta/Kconfig
index c2ee6f3..ca5b879 100644
--- a/arch/mips/mach-malta/Kconfig
+++ b/arch/mips/mach-malta/Kconfig
@@ -10,6 +10,11 @@ config DEBUG_LL
choice
prompt "Board type"
+config BOARD_QEMU_MALTA
+ bool "qemu malta"
+
endchoice
+source arch/mips/boards/qemu-malta/Kconfig
+
endif
--
1.7.5.4
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