2 * Renesas SH7751R R2D-PLUS emulation
4 * Copyright (c) 2007 Magnus Damm
5 * Copyright (c) 2008 Paul Mundt
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 #define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */
33 #define SDRAM_SIZE 0x04000000
35 #define PA_POWOFF 0x30
36 #define PA_VERREG 0x32
37 #define PA_OUTPORT 0x36
40 target_phys_addr_t base;
65 static uint32_t r2d_fpga_read(void *opaque, target_phys_addr_t addr)
67 r2d_fpga_t *s = opaque;
84 r2d_fpga_write(void *opaque, target_phys_addr_t addr, uint32_t value)
86 r2d_fpga_t *s = opaque;
103 static uint32_t invalid_read(void *opaque, target_phys_addr_t addr)
110 static void invalid_write(void *opaque, target_phys_addr_t addr,
116 static CPUReadMemoryFunc *r2d_fpga_readfn[] = {
122 static CPUWriteMemoryFunc *r2d_fpga_writefn[] = {
128 static void r2d_fpga_init(target_phys_addr_t base)
133 s = qemu_mallocz(sizeof(r2d_fpga_t));
138 iomemtype = cpu_register_io_memory(0, r2d_fpga_readfn,
139 r2d_fpga_writefn, s);
140 cpu_register_physical_memory(base, 0x40, iomemtype);
143 static void r2d_init(ram_addr_t ram_size, int vga_ram_size,
144 const char *boot_device, DisplayState * ds,
145 const char *kernel_filename, const char *kernel_cmdline,
146 const char *initrd_filename, const char *cpu_model)
149 struct SH7750State *s;
152 cpu_model = "SH7751R";
154 env = cpu_init(cpu_model);
156 fprintf(stderr, "Unable to find CPU definition\n");
160 /* Allocate memory space */
161 cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, 0);
162 /* Register peripherals */
163 r2d_fpga_init(0x04000000);
164 s = sh7750_init(env);
165 /* Todo: register on board registers */
169 kernel_size = load_image(kernel_filename, phys_ram_base);
171 if (kernel_size < 0) {
172 fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
176 env->pc = SDRAM_BASE | 0xa0000000; /* Start from P2 area */
180 QEMUMachine r2d_machine = {
184 SDRAM_SIZE | RAMSIZE_FIXED