MIPS: XBurst: add Ritmix RZX-50 board support
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -51,6 +51,7 @@ MIPS type:
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@li @subpage dlink_dir_320
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@li @subpage qemu_malta
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@li @subpage rzx50
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*/
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@ -67,6 +67,7 @@ machine-$(CONFIG_MACH_MIPS_BCM47XX) := bcm47xx
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board-$(CONFIG_BOARD_DLINK_DIR320) := dlink-dir-320
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machine-$(CONFIG_MACH_MIPS_XBURST) := xburst
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board-$(CONFIG_BOARD_RZX50) := rzx50
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machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
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@ -0,0 +1,6 @@
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if BOARD_RZX50
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config BOARDINFO
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default "Ritmix RZX-50"
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endif
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@ -0,0 +1 @@
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obj-$(CONFIG_DRIVER_SERIAL_NS16550) += serial.o
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@ -0,0 +1,19 @@
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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/* nothing special yet */
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@ -0,0 +1,46 @@
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/** @page rzx50 Ritmix RZX-50 game console
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Ritmix RZX-50 is a portable game console for the Russian market.
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The portable game console has
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@li Ingenic JZ4755 SoC;
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@li 64 MiB SDRAM;
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@li 4 GiB microSDHC card / 4 GiB NAND type Flash Memory;
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@li RS232 serial interface (LV-TTL levels on the board!);
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@li LCD display (480x272);
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@li Video out interface;
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@li 1xUSB interface;
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@li buttons.
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The game console uses U-Boot 1.1.6 as bootloader.
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barebox-rzx50 mini-howto:
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1. Connect to the game console's UART (see. http://a320.emulate.su/2012/01/19/uart-na-ritmix-rzx-50/);
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2. Unblock U-Boot console (see. http://a320.emulate.su/2012/01/25/rzx-50-dostup-k-konsoli-u-boot/); Please note that U-Boot's Zmodem support does not work;
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3. Boot Ritmix linux and login;
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4. Upload barebox.bin via Zmodem
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@verbatim
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# cd /tmp
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# rz
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@endverbatim
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5. Write barebox to onboard flash
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@verbatim
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# dd if=barebox.bin of=/dev/mmcblk0 seek=1048576 bs=1 count=262144
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@endverbatim
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6. Reboot RZX-50, next in U-Boot console start barebox:
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@verbatim
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CETUS # msc read 0xa0800000 0x100000 0x40000; g a0800000
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@endverbatim
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Ritmix RZX-50 links:
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@li http://www.ritmixrussia.ru/products/252/entertainment/game/rzx-50
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@li ftp://ftp.ingenic.cn/2soc/4755/JZ4755_ds.pdf
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@li ftp://ftp.ingenic.cn/3sw/01linux/01loader/u-boot/u-boot-1.1.6-jz-20110719-r1728-add-jz4770.patch.bz2
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*/
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@ -0,0 +1,66 @@
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/*
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* Copyright (C) 2012 Antony Pavlov <antonynpavlov@gmail.com>
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*
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* This file is part of barebox.
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* See file CREDITS for list of people who contributed to this project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <common.h>
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#include <types.h>
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#include <driver.h>
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#include <init.h>
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#include <ns16550.h>
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#include <mach/jz4750d_regs.h>
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#include <io.h>
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#include <asm/common.h>
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#define JZ4750D_UART_SHIFT 2
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#define ier (1 << JZ4750D_UART_SHIFT)
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#define fcr (2 << JZ4750D_UART_SHIFT)
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static void jz4750d_serial_reg_write(unsigned int val, unsigned long base,
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unsigned char reg_offset)
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{
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switch (reg_offset) {
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case fcr:
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val |= 0x10; /* Enable uart module */
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break;
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case ier:
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val |= (val & 0x4) << 2;
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break;
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default:
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break;
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}
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writeb(val & 0xff, (void *)(base + reg_offset));
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}
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static struct NS16550_plat serial_plat = {
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.clock = 12000000,
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.shift = JZ4750D_UART_SHIFT,
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.reg_write = &jz4750d_serial_reg_write,
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};
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static int rzx50_console_init(void)
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{
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/* Register the serial port */
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add_ns16550_device(-1, UART1_BASE, 8 << JZ4750D_UART_SHIFT,
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IORESOURCE_MEM_8BIT, &serial_plat);
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return 0;
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}
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console_initcall(rzx50_console_init);
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@ -7,4 +7,15 @@ config ARCH_TEXT_BASE
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config CPU_JZ4755
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bool
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choice
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prompt "Board type"
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config BOARD_RZX50
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bool "Ritmix RZX-50"
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select CPU_JZ4755
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endchoice
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source arch/mips/boards/rzx50/Kconfig
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endif
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@ -24,6 +24,10 @@
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/** @file
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* This File contains declaration for early output support
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*/
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#include <debug_ll_common.h>
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#ifdef CONFIG_BOARD_RZX50
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#include <mach/debug_ll_jz4755.h>
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#endif
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#include <debug_ll_ns16550.h>
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#endif /* __MACH_XBURST_DEBUG_LL__ */
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@ -2,4 +2,6 @@
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@section xburst_boards XBurst-based boards
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@li @subpage rzx50
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*/
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