From patchwork Fri Jun 15 09:47:39 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guan Xuetao X-Patchwork-Id: 165080 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id AAF10B7028 for ; Fri, 15 Jun 2012 20:20:03 +1000 (EST) Received: from localhost ([::1]:44393 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfTBp-00016O-QV for incoming@patchwork.ozlabs.org; Fri, 15 Jun 2012 05:51:37 -0400 Received: from eggs.gnu.org ([208.118.235.92]:34189) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfTBh-0000qW-0T for qemu-devel@nongnu.org; Fri, 15 Jun 2012 05:51:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SfTBe-0001Kx-52 for qemu-devel@nongnu.org; Fri, 15 Jun 2012 05:51:28 -0400 Received: from mprc.pku.edu.cn ([162.105.203.9]:52989) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfTBd-0001KZ-CJ for qemu-devel@nongnu.org; Fri, 15 Jun 2012 05:51:26 -0400 Received: from linuxdev-32 ([162.105.203.8]) by mprc.pku.edu.cn (8.13.8/8.13.8) with ESMTP id q5FAQ7q8006946; Fri, 15 Jun 2012 18:26:07 +0800 Received: by linuxdev-32 (Postfix, from userid 1000) id 2897A14604D0; Fri, 15 Jun 2012 17:47:58 +0800 (CST) From: Guan Xuetao To: qemu-devel@nongnu.org Date: Fri, 15 Jun 2012 17:47:39 +0800 Message-Id: X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 162.105.203.9 Cc: blauwirbel@gmail.com, Guan Xuetao , afaerber@suse.de, chenwj@iis.sinica.edu.tw Subject: [Qemu-devel] [PATCHv2 06/13] unicore32-softmmu: Add puv3 soc/board support X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch only add puv3 soc/board support, which introduces puv3 machine description, and specifies console type. Signed-off-by: Guan Xuetao --- Makefile.target | 1 + default-configs/unicore32-softmmu.mak | 1 + hw/puv3.c | 93 +++++++++++++++++++++++++++++++++ hw/puv3.h | 49 +++++++++++++++++ 4 files changed, 144 insertions(+), 0 deletions(-) create mode 100644 hw/puv3.c create mode 100644 hw/puv3.h diff --git a/Makefile.target b/Makefile.target index 7d3b1fd..e552450 100644 --- a/Makefile.target +++ b/Makefile.target @@ -388,6 +388,7 @@ obj-xtensa-y += core-dc233c.o obj-xtensa-y += core-fsf.o obj-unicore32-y += softmmu.o +obj-unicore32-$(CONFIG_PUV3) += puv3.o main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS) diff --git a/default-configs/unicore32-softmmu.mak b/default-configs/unicore32-softmmu.mak index 5f04fe3..726a338 100644 --- a/default-configs/unicore32-softmmu.mak +++ b/default-configs/unicore32-softmmu.mak @@ -1 +1,2 @@ # Default configuration for unicore32-softmmu +CONFIG_PUV3=y diff --git a/hw/puv3.c b/hw/puv3.c new file mode 100644 index 0000000..90231d4 --- /dev/null +++ b/hw/puv3.c @@ -0,0 +1,93 @@ +/* + * Generic PKUnity SoC machine and board descriptor + * + * Copyright (C) 2010-2012 Guan Xuetao + * + * 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, or any later version. + * See the COPYING file in the top-level directory. + */ +#include "console.h" +#include "elf.h" +#include "exec-memory.h" +#include "sysbus.h" +#include "boards.h" +#include "loader.h" +#include "pc.h" + +#undef DEBUG_PUV3 +#include "puv3.h" + +#define KERNEL_LOAD_ADDR 0x03000000 +#define KERNEL_MAX_SIZE 0x00800000 /* Just a guess */ + +static void puv3_soc_init(CPUUniCore32State *env) +{ + /* TODO */ +} + +static void puv3_board_init(CPUUniCore32State *env, ram_addr_t ram_size) +{ + MemoryRegion *ram_memory = g_new(MemoryRegion, 1); + + /* SDRAM at address zero. */ + memory_region_init_ram(ram_memory, "puv3.ram", ram_size); + vmstate_register_ram_global(ram_memory); + memory_region_add_subregion(get_system_memory(), 0, ram_memory); +} + +static void puv3_load_kernel(const char *kernel_filename) +{ + int size; + + assert(kernel_filename != NULL); + + /* only zImage format supported */ + size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, + KERNEL_MAX_SIZE); + if (size < 0) { + hw_error("Load kernel error: '%s'\n", kernel_filename); + } + + /* cheat curses that we have a graphic console, only under ocd console */ + graphic_console_init(NULL, NULL, NULL, NULL, NULL); +} + +static void puv3_init(ram_addr_t ram_size, const char *boot_device, + const char *kernel_filename, const char *kernel_cmdline, + const char *initrd_filename, const char *cpu_model) +{ + CPUUniCore32State *env; + + if (initrd_filename) { + hw_error("Please use kernel built-in initramdisk.\n"); + } + + if (!cpu_model) { + cpu_model = "UniCore-II"; + } + + env = cpu_init(cpu_model); + if (!env) { + hw_error("Unable to find CPU definition\n"); + } + + puv3_soc_init(env); + puv3_board_init(env, ram_size); + puv3_load_kernel(kernel_filename); +} + +static QEMUMachine puv3_machine = { + .name = "puv3", + .desc = "PKUnity Version-3 based on UniCore32", + .init = puv3_init, + .use_scsi = 0, +}; + +static void puv3_machine_init(void) +{ + qemu_register_machine(&puv3_machine); +} + +machine_init(puv3_machine_init); diff --git a/hw/puv3.h b/hw/puv3.h new file mode 100644 index 0000000..bcfc978 --- /dev/null +++ b/hw/puv3.h @@ -0,0 +1,49 @@ +/* + * Misc PKUnity SoC declarations + * + * Copyright (C) 2010-2012 Guan Xuetao + * + * 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, or any later version. + * See the COPYING file in the top-level directory. + */ +#ifndef __PUV3_H__ +#define __PUV3_H__ + +#define PUV3_REGS_OFFSET (0x1000) /* 4K is reasonable */ + +/* PKUnity System bus (AHB): 0xc0000000 - 0xedffffff (640MB) */ +#define PUV3_DMA_BASE (0xc0200000) /* AHB-4 */ + +/* PKUnity Peripheral bus (APB): 0xee000000 - 0xefffffff (128MB) */ +#define PUV3_GPIO_BASE (0xee500000) /* APB-5 */ +#define PUV3_INTC_BASE (0xee600000) /* APB-6 */ +#define PUV3_OST_BASE (0xee800000) /* APB-8 */ +#define PUV3_PM_BASE (0xeea00000) /* APB-10 */ +#define PUV3_PS2_BASE (0xeeb00000) /* APB-11 */ + +/* Hardware interrupts */ +#define PUV3_IRQS_NR (32) + +#define PUV3_IRQS_GPIOLOW0 (0) +#define PUV3_IRQS_GPIOLOW1 (1) +#define PUV3_IRQS_GPIOLOW2 (2) +#define PUV3_IRQS_GPIOLOW3 (3) +#define PUV3_IRQS_GPIOLOW4 (4) +#define PUV3_IRQS_GPIOLOW5 (5) +#define PUV3_IRQS_GPIOLOW6 (6) +#define PUV3_IRQS_GPIOLOW7 (7) +#define PUV3_IRQS_GPIOHIGH (8) +#define PUV3_IRQS_PS2_KBD (22) +#define PUV3_IRQS_PS2_AUX (23) +#define PUV3_IRQS_OST0 (26) + +/* All puv3_*.c use DPRINTF for debug. */ +#ifdef DEBUG_PUV3 +#define DPRINTF(fmt, ...) printf("%s: " fmt , __func__, ## __VA_ARGS__) +#else +#define DPRINTF(fmt, ...) do {} while (0) +#endif + +#endif /* !__PUV3_H__ */