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authorGuan Xuetao <gxt@mprc.pku.edu.cn>2012-08-10 14:42:27 +0800
committerBlue Swirl <blauwirbel@gmail.com>2012-08-11 09:36:59 +0000
commitfbbdf9838d30ecdf24b0ff9f6a4e9567d74e39bd (patch)
tree81e47480dede004ddc0b16e9b47a5abe941d4fdf
parentef03168a8536f4427ab24a1fc43638dfbecc1bf8 (diff)
downloadqemu-arm-fbbdf9838d30ecdf24b0ff9f6a4e9567d74e39bd.tar.gz
unicore32-softmmu: Add puv3 soc/board support
This patch only add puv3 soc/board support, which introduces puv3 machine description, and specifies console type. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
-rw-r--r--default-configs/unicore32-softmmu.mak1
-rw-r--r--hw/puv3.c93
-rw-r--r--hw/puv3.h49
-rw-r--r--hw/unicore32/Makefile.objs5
4 files changed, 148 insertions, 0 deletions
diff --git a/default-configs/unicore32-softmmu.mak b/default-configs/unicore32-softmmu.mak
index 5f04fe3429..726a338c23 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 0000000000..0dc129dd49
--- /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 0000000000..f37adcb665
--- /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 QEMU_HW_PUV3_H
+#define QEMU_HW_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 /* !QEMU_HW_PUV3_H */
diff --git a/hw/unicore32/Makefile.objs b/hw/unicore32/Makefile.objs
index b6a3383ae2..0725ce3ca7 100644
--- a/hw/unicore32/Makefile.objs
+++ b/hw/unicore32/Makefile.objs
@@ -1 +1,6 @@
# For UniCore32 machines and boards
+
+# PKUnity-v3 SoC and board information
+obj-${CONFIG_PUV3} += puv3.o
+
+obj-y := $(addprefix ../,$(obj-y))