[RFC 4/5] MIPS: XBurst: add Ritmix RZX-50 board support
Antony Pavlov
antonynpavlov at gmail.com
Thu May 10 05:32:09 EDT 2012
Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
arch/mips/Makefile | 1 +
arch/mips/boards/rzx50/Kconfig | 6 +++
arch/mips/boards/rzx50/Makefile | 1 +
arch/mips/boards/rzx50/config.h | 19 +++++++
arch/mips/boards/rzx50/rzx50.dox | 20 ++++++++
arch/mips/boards/rzx50/serial.c | 66 +++++++++++++++++++++++++
arch/mips/mach-xburst/Kconfig | 11 +++++
arch/mips/mach-xburst/include/mach/debug_ll.h | 4 ++
arch/mips/mach-xburst/mach-xburst.dox | 2 +
9 files changed, 130 insertions(+)
create mode 100644 arch/mips/boards/rzx50/Kconfig
create mode 100644 arch/mips/boards/rzx50/Makefile
create mode 100644 arch/mips/boards/rzx50/config.h
create mode 100644 arch/mips/boards/rzx50/rzx50.dox
create mode 100644 arch/mips/boards/rzx50/serial.c
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 345d9a2..f28c21d 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -67,6 +67,7 @@ machine-$(CONFIG_MACH_MIPS_BCM47XX) := bcm47xx
board-$(CONFIG_BOARD_DLINK_DIR320) := dlink-dir-320
machine-$(CONFIG_MACH_MIPS_XBURST) := xburst
+board-$(CONFIG_BOARD_RZX50) := rzx50
machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
diff --git a/arch/mips/boards/rzx50/Kconfig b/arch/mips/boards/rzx50/Kconfig
new file mode 100644
index 0000000..38401aa
--- /dev/null
+++ b/arch/mips/boards/rzx50/Kconfig
@@ -0,0 +1,6 @@
+if BOARD_RZX50
+
+config BOARDINFO
+ default "Ritmix RZX-50"
+
+endif
diff --git a/arch/mips/boards/rzx50/Makefile b/arch/mips/boards/rzx50/Makefile
new file mode 100644
index 0000000..ff1a655
--- /dev/null
+++ b/arch/mips/boards/rzx50/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_DRIVER_SERIAL_NS16550) += serial.o
diff --git a/arch/mips/boards/rzx50/config.h b/arch/mips/boards/rzx50/config.h
new file mode 100644
index 0000000..eb4ab08
--- /dev/null
+++ b/arch/mips/boards/rzx50/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/rzx50/rzx50.dox b/arch/mips/boards/rzx50/rzx50.dox
new file mode 100644
index 0000000..9f0d600
--- /dev/null
+++ b/arch/mips/boards/rzx50/rzx50.dox
@@ -0,0 +1,20 @@
+/** @page rzx50 Ritmix RZX-50 game console
+
+The portable game console has
+ at li JZ4755 SoC;
+ at li 64 MiB SDRAM;
+ at li 4 MiB microSDHC card / 4 MiB NAND type Flash Memory;
+ at li RS232 serial interface (LV-TTL levels on board!);
+ at li LCD display;
+ at li Video out interface;
+ at li 1xUSB interface;
+ at li buttons.
+
+The game console uses U-Boot as firmware.
+
+Barebox can be started from U-boot using Z-modem.
+
+Ritmix RZX-50 links:
+ at li ...
+
+*/
diff --git a/arch/mips/boards/rzx50/serial.c b/arch/mips/boards/rzx50/serial.c
new file mode 100644
index 0000000..308cd18
--- /dev/null
+++ b/arch/mips/boards/rzx50/serial.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2012 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/jz4750d_regs.h>
+#include <io.h>
+#include <asm/common.h>
+
+#define JZ4750D_UART_SHIFT 2
+
+#define ier (1 << JZ4750D_UART_SHIFT)
+#define fcr (2 << JZ4750D_UART_SHIFT)
+
+static void jz4750d_serial_reg_write(unsigned int val, unsigned long base,
+ unsigned char reg_offset)
+{
+ switch (reg_offset) {
+ case fcr:
+ val |= 0x10; /* Enable uart module */
+ break;
+ case ier:
+ val |= (val & 0x4) << 2;
+ break;
+ default:
+ break;
+ }
+
+ writeb(val & 0xff, (void *)(base + reg_offset));
+}
+
+static struct NS16550_plat serial_plat = {
+ .clock = 12000000,
+ .shift = JZ4750D_UART_SHIFT,
+ .reg_write = &jz4750d_serial_reg_write,
+};
+
+static int rzx50_console_init(void)
+{
+ /* Register the serial port */
+ add_ns16550_device(-1, UART1_BASE, 8 << JZ4750D_UART_SHIFT,
+ IORESOURCE_MEM_8BIT, &serial_plat);
+
+ return 0;
+}
+console_initcall(rzx50_console_init);
diff --git a/arch/mips/mach-xburst/Kconfig b/arch/mips/mach-xburst/Kconfig
index 0306f2e..60e411c 100644
--- a/arch/mips/mach-xburst/Kconfig
+++ b/arch/mips/mach-xburst/Kconfig
@@ -7,4 +7,15 @@ config ARCH_TEXT_BASE
config CPU_JZ4755
bool
+choice
+ prompt "Board type"
+
+config BOARD_RZX50
+ bool "Ritmix RZX-50"
+ select CPU_JZ4755
+
+endchoice
+
+source arch/mips/boards/rzx50/Kconfig
+
endif
diff --git a/arch/mips/mach-xburst/include/mach/debug_ll.h b/arch/mips/mach-xburst/include/mach/debug_ll.h
index 90f6528..a8c82f2 100644
--- a/arch/mips/mach-xburst/include/mach/debug_ll.h
+++ b/arch/mips/mach-xburst/include/mach/debug_ll.h
@@ -24,6 +24,10 @@
/** @file
* This File contains declaration for early output support
*/
+#ifdef CONFIG_BOARD_RZX50
+#include <mach/debug_ll_jz4755.h>
+#endif
+
#include <debug_ll_common.h>
#endif /* __MACH_XBURST_DEBUG_LL__ */
diff --git a/arch/mips/mach-xburst/mach-xburst.dox b/arch/mips/mach-xburst/mach-xburst.dox
index 84ae221..a5e524d 100644
--- a/arch/mips/mach-xburst/mach-xburst.dox
+++ b/arch/mips/mach-xburst/mach-xburst.dox
@@ -2,4 +2,6 @@
@section xburst_boards XBurst-based boards
+ at li @subpage rzx50
+
*/
--
1.7.10
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