root / hw / ppc405_boards.c @ 115646b6
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/*
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* QEMU PowerPC 405 evaluation boards emulation
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*
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* Copyright (c) 2007 Jocelyn Mayer
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
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#include "ppc405.h" |
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extern int loglevel; |
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extern FILE *logfile;
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#define BIOS_FILENAME "ppc405_rom.bin" |
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#undef BIOS_SIZE
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#define BIOS_SIZE (2048 * 1024) |
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#define KERNEL_LOAD_ADDR 0x00000000 |
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#define INITRD_LOAD_ADDR 0x01800000 |
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#define USE_FLASH_BIOS
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#define DEBUG_BOARD_INIT
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/*****************************************************************************/
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/* PPC405EP reference board (IBM) */
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/* Standalone board with:
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* - PowerPC 405EP CPU
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* - SDRAM (0x00000000)
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* - Flash (0xFFF80000)
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* - SRAM (0xFFF00000)
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* - NVRAM (0xF0000000)
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* - FPGA (0xF0300000)
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*/
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typedef struct ref405ep_fpga_t ref405ep_fpga_t; |
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struct ref405ep_fpga_t {
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uint32_t base; |
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uint8_t reg0; |
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uint8_t reg1; |
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}; |
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|
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static uint32_t ref405ep_fpga_readb (void *opaque, target_phys_addr_t addr) |
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{
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ref405ep_fpga_t *fpga; |
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uint32_t ret; |
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fpga = opaque; |
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addr -= fpga->base; |
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switch (addr) {
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case 0x0: |
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ret = fpga->reg0; |
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break;
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case 0x1: |
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ret = fpga->reg1; |
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break;
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default:
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ret = 0;
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break;
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} |
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return ret;
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} |
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|
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static void ref405ep_fpga_writeb (void *opaque, |
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target_phys_addr_t addr, uint32_t value) |
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{
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ref405ep_fpga_t *fpga; |
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fpga = opaque; |
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addr -= fpga->base; |
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switch (addr) {
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case 0x0: |
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/* Read only */
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break;
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case 0x1: |
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fpga->reg1 = value; |
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break;
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default:
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break;
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} |
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} |
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static uint32_t ref405ep_fpga_readw (void *opaque, target_phys_addr_t addr) |
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{
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uint32_t ret; |
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ret = ref405ep_fpga_readb(opaque, addr) << 8;
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ret |= ref405ep_fpga_readb(opaque, addr + 1);
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return ret;
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} |
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static void ref405ep_fpga_writew (void *opaque, |
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target_phys_addr_t addr, uint32_t value) |
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{
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ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF); |
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ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF); |
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} |
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static uint32_t ref405ep_fpga_readl (void *opaque, target_phys_addr_t addr) |
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{
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uint32_t ret; |
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ret = ref405ep_fpga_readb(opaque, addr) << 24;
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ret |= ref405ep_fpga_readb(opaque, addr + 1) << 16; |
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ret |= ref405ep_fpga_readb(opaque, addr + 2) << 8; |
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ret |= ref405ep_fpga_readb(opaque, addr + 3);
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return ret;
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} |
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static void ref405ep_fpga_writel (void *opaque, |
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target_phys_addr_t addr, uint32_t value) |
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{
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ref405ep_fpga_writel(opaque, addr, (value >> 24) & 0xFF); |
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ref405ep_fpga_writel(opaque, addr + 1, (value >> 16) & 0xFF); |
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ref405ep_fpga_writel(opaque, addr + 2, (value >> 8) & 0xFF); |
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ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF); |
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} |
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static CPUReadMemoryFunc *ref405ep_fpga_read[] = {
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&ref405ep_fpga_readb, |
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&ref405ep_fpga_readw, |
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&ref405ep_fpga_readl, |
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}; |
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static CPUWriteMemoryFunc *ref405ep_fpga_write[] = {
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&ref405ep_fpga_writeb, |
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&ref405ep_fpga_writew, |
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&ref405ep_fpga_writel, |
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}; |
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static void ref405ep_fpga_reset (void *opaque) |
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{
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ref405ep_fpga_t *fpga; |
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fpga = opaque; |
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fpga->reg0 = 0x00;
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fpga->reg1 = 0x0F;
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} |
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static void ref405ep_fpga_init (uint32_t base) |
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{
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ref405ep_fpga_t *fpga; |
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int fpga_memory;
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fpga = qemu_mallocz(sizeof(ref405ep_fpga_t));
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if (fpga != NULL) { |
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fpga->base = base; |
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fpga_memory = cpu_register_io_memory(0, ref405ep_fpga_read,
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ref405ep_fpga_write, fpga); |
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cpu_register_physical_memory(base, 0x00000100, fpga_memory);
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ref405ep_fpga_reset(fpga); |
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qemu_register_reset(&ref405ep_fpga_reset, fpga); |
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} |
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} |
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static void ref405ep_init (int ram_size, int vga_ram_size, int boot_device, |
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DisplayState *ds, const char **fd_filename, |
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int snapshot,
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const char *kernel_filename, |
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const char *kernel_cmdline, |
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const char *initrd_filename, |
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const char *cpu_model) |
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{
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char buf[1024]; |
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ppc4xx_bd_info_t bd; |
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CPUPPCState *env; |
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qemu_irq *pic; |
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ram_addr_t sram_offset, bios_offset, bdloc; |
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target_phys_addr_t ram_bases[2], ram_sizes[2]; |
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target_ulong sram_size, bios_size; |
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//int phy_addr = 0;
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//static int phy_addr = 1;
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target_ulong kernel_base, kernel_size, initrd_base, initrd_size; |
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int linux_boot;
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int fl_idx, fl_sectors, len;
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/* XXX: fix this */
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ram_bases[0] = 0x00000000; |
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ram_sizes[0] = 0x08000000; |
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ram_bases[1] = 0x00000000; |
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ram_sizes[1] = 0x00000000; |
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ram_size = 128 * 1024 * 1024; |
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#ifdef DEBUG_BOARD_INIT
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printf("%s: register cpu\n", __func__);
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#endif
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env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic, &sram_offset,
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kernel_filename == NULL ? 0 : 1); |
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/* allocate SRAM */
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#ifdef DEBUG_BOARD_INIT
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printf("%s: register SRAM at offset %08lx\n", __func__, sram_offset);
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#endif
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sram_size = 512 * 1024; |
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cpu_register_physical_memory(0xFFF00000, sram_size,
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sram_offset | IO_MEM_RAM); |
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/* allocate and load BIOS */
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#ifdef DEBUG_BOARD_INIT
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printf("%s: register BIOS\n", __func__);
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#endif
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bios_offset = sram_offset + sram_size; |
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fl_idx = 0;
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#ifdef USE_FLASH_BIOS
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if (pflash_table[fl_idx] != NULL) { |
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bios_size = bdrv_getlength(pflash_table[fl_idx]); |
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fl_sectors = (bios_size + 65535) >> 16; |
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#ifdef DEBUG_BOARD_INIT
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printf("Register parallel flash %d size " ADDRX " at offset %08lx " |
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" addr " ADDRX " '%s' %d\n", |
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fl_idx, bios_size, bios_offset, -bios_size, |
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bdrv_get_device_name(pflash_table[fl_idx]), fl_sectors); |
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#endif
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pflash_register((uint32_t)(-bios_size), bios_offset, |
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pflash_table[fl_idx], 65536, fl_sectors, 2, |
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0x0001, 0x22DA, 0x0000, 0x0000); |
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fl_idx++; |
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} else
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#endif
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{
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#ifdef DEBUG_BOARD_INIT
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printf("Load BIOS from file\n");
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#endif
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if (bios_name == NULL) |
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bios_name = BIOS_FILENAME; |
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snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); |
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bios_size = load_image(buf, phys_ram_base + bios_offset); |
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if (bios_size < 0 || bios_size > BIOS_SIZE) { |
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fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", buf);
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exit(1);
|
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} |
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bios_size = (bios_size + 0xfff) & ~0xfff; |
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cpu_register_physical_memory((uint32_t)(-bios_size), |
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bios_size, bios_offset | IO_MEM_ROM); |
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} |
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bios_offset += bios_size; |
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/* Register FPGA */
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#ifdef DEBUG_BOARD_INIT
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printf("%s: register FPGA\n", __func__);
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#endif
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ref405ep_fpga_init(0xF0300000);
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/* Register NVRAM */
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#ifdef DEBUG_BOARD_INIT
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printf("%s: register NVRAM\n", __func__);
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#endif
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m48t59_init(NULL, 0xF0000000, 0, 8192, 8); |
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/* Load kernel */
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linux_boot = (kernel_filename != NULL);
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if (linux_boot) {
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#ifdef DEBUG_BOARD_INIT
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printf("%s: load kernel\n", __func__);
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#endif
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memset(&bd, 0, sizeof(bd)); |
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bd.bi_memstart = 0x00000000;
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bd.bi_memsize = ram_size; |
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bd.bi_flashstart = -bios_size; |
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bd.bi_flashsize = -bios_size; |
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bd.bi_flashoffset = 0;
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bd.bi_sramstart = 0xFFF00000;
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bd.bi_sramsize = sram_size; |
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bd.bi_bootflags = 0;
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bd.bi_intfreq = 133333333;
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bd.bi_busfreq = 33333333;
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bd.bi_baudrate = 115200;
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bd.bi_s_version[0] = 'Q'; |
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bd.bi_s_version[1] = 'M'; |
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bd.bi_s_version[2] = 'U'; |
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bd.bi_s_version[3] = '\0'; |
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bd.bi_r_version[0] = 'Q'; |
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bd.bi_r_version[1] = 'E'; |
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bd.bi_r_version[2] = 'M'; |
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bd.bi_r_version[3] = 'U'; |
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bd.bi_r_version[4] = '\0'; |
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bd.bi_procfreq = 133333333;
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bd.bi_plb_busfreq = 33333333;
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bd.bi_pci_busfreq = 33333333;
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bd.bi_opbfreq = 33333333;
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bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001);
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env->gpr[3] = bdloc;
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kernel_base = KERNEL_LOAD_ADDR; |
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/* now we can load the kernel */
|
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kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base); |
| 298 |
if (kernel_size < 0) { |
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fprintf(stderr, "qemu: could not load kernel '%s'\n",
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kernel_filename); |
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exit(1);
|
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} |
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printf("Load kernel size " TARGET_FMT_ld " at " TARGET_FMT_lx |
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" %02x %02x %02x %02x\n", kernel_size, kernel_base,
|
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*(char *)(phys_ram_base + kernel_base),
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*(char *)(phys_ram_base + kernel_base + 1), |
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*(char *)(phys_ram_base + kernel_base + 2), |
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*(char *)(phys_ram_base + kernel_base + 3)); |
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/* load initrd */
|
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if (initrd_filename) {
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initrd_base = INITRD_LOAD_ADDR; |
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initrd_size = load_image(initrd_filename, |
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phys_ram_base + initrd_base); |
| 314 |
if (initrd_size < 0) { |
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fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
|
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initrd_filename); |
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exit(1);
|
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} |
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} else {
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initrd_base = 0;
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initrd_size = 0;
|
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} |
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env->gpr[4] = initrd_base;
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env->gpr[5] = initrd_size;
|
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boot_device = 'm';
|
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if (kernel_cmdline != NULL) { |
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len = strlen(kernel_cmdline); |
| 328 |
bdloc -= ((len + 255) & ~255); |
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memcpy(phys_ram_base + bdloc, kernel_cmdline, len + 1);
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env->gpr[6] = bdloc;
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env->gpr[7] = bdloc + len;
|
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} else {
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env->gpr[6] = 0; |
| 334 |
env->gpr[7] = 0; |
| 335 |
} |
| 336 |
env->nip = KERNEL_LOAD_ADDR; |
| 337 |
} else {
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| 338 |
kernel_base = 0;
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kernel_size = 0;
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initrd_base = 0;
|
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initrd_size = 0;
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bdloc = 0;
|
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} |
| 344 |
#ifdef DEBUG_BOARD_INIT
|
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printf("%s: Done\n", __func__);
|
| 346 |
#endif
|
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printf("bdloc %016lx %s\n",
|
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(unsigned long)bdloc, (char *)(phys_ram_base + bdloc)); |
| 349 |
} |
| 350 |
|
| 351 |
QEMUMachine ref405ep_machine = {
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"ref405ep",
|
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"ref405ep",
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| 354 |
ref405ep_init, |
| 355 |
}; |
| 356 |
|
| 357 |
/*****************************************************************************/
|
| 358 |
/* AMCC Taihu evaluation board */
|
| 359 |
/* - PowerPC 405EP processor
|
| 360 |
* - SDRAM 128 MB at 0x00000000
|
| 361 |
* - Boot flash 2 MB at 0xFFE00000
|
| 362 |
* - Application flash 32 MB at 0xFC000000
|
| 363 |
* - 2 serial ports
|
| 364 |
* - 2 ethernet PHY
|
| 365 |
* - 1 USB 1.1 device 0x50000000
|
| 366 |
* - 1 LCD display 0x50100000
|
| 367 |
* - 1 CPLD 0x50100000
|
| 368 |
* - 1 I2C EEPROM
|
| 369 |
* - 1 I2C thermal sensor
|
| 370 |
* - a set of LEDs
|
| 371 |
* - bit-bang SPI port using GPIOs
|
| 372 |
* - 1 EBC interface connector 0 0x50200000
|
| 373 |
* - 1 cardbus controller + expansion slot.
|
| 374 |
* - 1 PCI expansion slot.
|
| 375 |
*/
|
| 376 |
typedef struct taihu_cpld_t taihu_cpld_t; |
| 377 |
struct taihu_cpld_t {
|
| 378 |
uint32_t base; |
| 379 |
uint8_t reg0; |
| 380 |
uint8_t reg1; |
| 381 |
}; |
| 382 |
|
| 383 |
static uint32_t taihu_cpld_readb (void *opaque, target_phys_addr_t addr) |
| 384 |
{
|
| 385 |
taihu_cpld_t *cpld; |
| 386 |
uint32_t ret; |
| 387 |
|
| 388 |
cpld = opaque; |
| 389 |
addr -= cpld->base; |
| 390 |
switch (addr) {
|
| 391 |
case 0x0: |
| 392 |
ret = cpld->reg0; |
| 393 |
break;
|
| 394 |
case 0x1: |
| 395 |
ret = cpld->reg1; |
| 396 |
break;
|
| 397 |
default:
|
| 398 |
ret = 0;
|
| 399 |
break;
|
| 400 |
} |
| 401 |
|
| 402 |
return ret;
|
| 403 |
} |
| 404 |
|
| 405 |
static void taihu_cpld_writeb (void *opaque, |
| 406 |
target_phys_addr_t addr, uint32_t value) |
| 407 |
{
|
| 408 |
taihu_cpld_t *cpld; |
| 409 |
|
| 410 |
cpld = opaque; |
| 411 |
addr -= cpld->base; |
| 412 |
switch (addr) {
|
| 413 |
case 0x0: |
| 414 |
/* Read only */
|
| 415 |
break;
|
| 416 |
case 0x1: |
| 417 |
cpld->reg1 = value; |
| 418 |
break;
|
| 419 |
default:
|
| 420 |
break;
|
| 421 |
} |
| 422 |
} |
| 423 |
|
| 424 |
static uint32_t taihu_cpld_readw (void *opaque, target_phys_addr_t addr) |
| 425 |
{
|
| 426 |
uint32_t ret; |
| 427 |
|
| 428 |
ret = taihu_cpld_readb(opaque, addr) << 8;
|
| 429 |
ret |= taihu_cpld_readb(opaque, addr + 1);
|
| 430 |
|
| 431 |
return ret;
|
| 432 |
} |
| 433 |
|
| 434 |
static void taihu_cpld_writew (void *opaque, |
| 435 |
target_phys_addr_t addr, uint32_t value) |
| 436 |
{
|
| 437 |
taihu_cpld_writeb(opaque, addr, (value >> 8) & 0xFF); |
| 438 |
taihu_cpld_writeb(opaque, addr + 1, value & 0xFF); |
| 439 |
} |
| 440 |
|
| 441 |
static uint32_t taihu_cpld_readl (void *opaque, target_phys_addr_t addr) |
| 442 |
{
|
| 443 |
uint32_t ret; |
| 444 |
|
| 445 |
ret = taihu_cpld_readb(opaque, addr) << 24;
|
| 446 |
ret |= taihu_cpld_readb(opaque, addr + 1) << 16; |
| 447 |
ret |= taihu_cpld_readb(opaque, addr + 2) << 8; |
| 448 |
ret |= taihu_cpld_readb(opaque, addr + 3);
|
| 449 |
|
| 450 |
return ret;
|
| 451 |
} |
| 452 |
|
| 453 |
static void taihu_cpld_writel (void *opaque, |
| 454 |
target_phys_addr_t addr, uint32_t value) |
| 455 |
{
|
| 456 |
taihu_cpld_writel(opaque, addr, (value >> 24) & 0xFF); |
| 457 |
taihu_cpld_writel(opaque, addr + 1, (value >> 16) & 0xFF); |
| 458 |
taihu_cpld_writel(opaque, addr + 2, (value >> 8) & 0xFF); |
| 459 |
taihu_cpld_writeb(opaque, addr + 3, value & 0xFF); |
| 460 |
} |
| 461 |
|
| 462 |
static CPUReadMemoryFunc *taihu_cpld_read[] = {
|
| 463 |
&taihu_cpld_readb, |
| 464 |
&taihu_cpld_readw, |
| 465 |
&taihu_cpld_readl, |
| 466 |
}; |
| 467 |
|
| 468 |
static CPUWriteMemoryFunc *taihu_cpld_write[] = {
|
| 469 |
&taihu_cpld_writeb, |
| 470 |
&taihu_cpld_writew, |
| 471 |
&taihu_cpld_writel, |
| 472 |
}; |
| 473 |
|
| 474 |
static void taihu_cpld_reset (void *opaque) |
| 475 |
{
|
| 476 |
taihu_cpld_t *cpld; |
| 477 |
|
| 478 |
cpld = opaque; |
| 479 |
cpld->reg0 = 0x01;
|
| 480 |
cpld->reg1 = 0x80;
|
| 481 |
} |
| 482 |
|
| 483 |
static void taihu_cpld_init (uint32_t base) |
| 484 |
{
|
| 485 |
taihu_cpld_t *cpld; |
| 486 |
int cpld_memory;
|
| 487 |
|
| 488 |
cpld = qemu_mallocz(sizeof(taihu_cpld_t));
|
| 489 |
if (cpld != NULL) { |
| 490 |
cpld->base = base; |
| 491 |
cpld_memory = cpu_register_io_memory(0, taihu_cpld_read,
|
| 492 |
taihu_cpld_write, cpld); |
| 493 |
cpu_register_physical_memory(base, 0x00000100, cpld_memory);
|
| 494 |
taihu_cpld_reset(cpld); |
| 495 |
qemu_register_reset(&taihu_cpld_reset, cpld); |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
static void taihu_405ep_init(int ram_size, int vga_ram_size, int boot_device, |
| 500 |
DisplayState *ds, const char **fd_filename, |
| 501 |
int snapshot,
|
| 502 |
const char *kernel_filename, |
| 503 |
const char *kernel_cmdline, |
| 504 |
const char *initrd_filename, |
| 505 |
const char *cpu_model) |
| 506 |
{
|
| 507 |
char buf[1024]; |
| 508 |
CPUPPCState *env; |
| 509 |
qemu_irq *pic; |
| 510 |
ram_addr_t bios_offset; |
| 511 |
target_phys_addr_t ram_bases[2], ram_sizes[2]; |
| 512 |
target_ulong bios_size; |
| 513 |
target_ulong kernel_base, kernel_size, initrd_base, initrd_size; |
| 514 |
int linux_boot;
|
| 515 |
int fl_idx, fl_sectors;
|
| 516 |
|
| 517 |
/* RAM is soldered to the board so the size cannot be changed */
|
| 518 |
ram_bases[0] = 0x00000000; |
| 519 |
ram_sizes[0] = 0x04000000; |
| 520 |
ram_bases[1] = 0x04000000; |
| 521 |
ram_sizes[1] = 0x04000000; |
| 522 |
#ifdef DEBUG_BOARD_INIT
|
| 523 |
printf("%s: register cpu\n", __func__);
|
| 524 |
#endif
|
| 525 |
env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic, &bios_offset,
|
| 526 |
kernel_filename == NULL ? 0 : 1); |
| 527 |
/* allocate and load BIOS */
|
| 528 |
#ifdef DEBUG_BOARD_INIT
|
| 529 |
printf("%s: register BIOS\n", __func__);
|
| 530 |
#endif
|
| 531 |
fl_idx = 0;
|
| 532 |
#if defined(USE_FLASH_BIOS)
|
| 533 |
if (pflash_table[fl_idx] != NULL) { |
| 534 |
bios_size = bdrv_getlength(pflash_table[fl_idx]); |
| 535 |
/* XXX: should check that size is 2MB */
|
| 536 |
// bios_size = 2 * 1024 * 1024;
|
| 537 |
fl_sectors = (bios_size + 65535) >> 16; |
| 538 |
#ifdef DEBUG_BOARD_INIT
|
| 539 |
printf("Register parallel flash %d size " ADDRX " at offset %08lx " |
| 540 |
" addr " ADDRX " '%s' %d\n", |
| 541 |
fl_idx, bios_size, bios_offset, -bios_size, |
| 542 |
bdrv_get_device_name(pflash_table[fl_idx]), fl_sectors); |
| 543 |
#endif
|
| 544 |
pflash_register((uint32_t)(-bios_size), bios_offset, |
| 545 |
pflash_table[fl_idx], 65536, fl_sectors, 4, |
| 546 |
0x0001, 0x22DA, 0x0000, 0x0000); |
| 547 |
fl_idx++; |
| 548 |
} else
|
| 549 |
#endif
|
| 550 |
{
|
| 551 |
#ifdef DEBUG_BOARD_INIT
|
| 552 |
printf("Load BIOS from file\n");
|
| 553 |
#endif
|
| 554 |
if (bios_name == NULL) |
| 555 |
bios_name = BIOS_FILENAME; |
| 556 |
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); |
| 557 |
bios_size = load_image(buf, phys_ram_base + bios_offset); |
| 558 |
if (bios_size < 0 || bios_size > BIOS_SIZE) { |
| 559 |
fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", buf);
|
| 560 |
exit(1);
|
| 561 |
} |
| 562 |
bios_size = (bios_size + 0xfff) & ~0xfff; |
| 563 |
cpu_register_physical_memory((uint32_t)(-bios_size), |
| 564 |
bios_size, bios_offset | IO_MEM_ROM); |
| 565 |
} |
| 566 |
bios_offset += bios_size; |
| 567 |
/* Register Linux flash */
|
| 568 |
if (pflash_table[fl_idx] != NULL) { |
| 569 |
bios_size = bdrv_getlength(pflash_table[fl_idx]); |
| 570 |
/* XXX: should check that size is 32MB */
|
| 571 |
bios_size = 32 * 1024 * 1024; |
| 572 |
fl_sectors = (bios_size + 65535) >> 16; |
| 573 |
#ifdef DEBUG_BOARD_INIT
|
| 574 |
printf("Register parallel flash %d size " ADDRX " at offset %08lx " |
| 575 |
" addr " ADDRX " '%s'\n", |
| 576 |
fl_idx, bios_size, bios_offset, (target_ulong)0xfc000000,
|
| 577 |
bdrv_get_device_name(pflash_table[fl_idx])); |
| 578 |
#endif
|
| 579 |
pflash_register(0xfc000000, bios_offset, pflash_table[fl_idx],
|
| 580 |
65536, fl_sectors, 4, |
| 581 |
0x0001, 0x22DA, 0x0000, 0x0000); |
| 582 |
fl_idx++; |
| 583 |
} |
| 584 |
/* Register CLPD & LCD display */
|
| 585 |
#ifdef DEBUG_BOARD_INIT
|
| 586 |
printf("%s: register CPLD\n", __func__);
|
| 587 |
#endif
|
| 588 |
taihu_cpld_init(0x50100000);
|
| 589 |
/* Load kernel */
|
| 590 |
linux_boot = (kernel_filename != NULL);
|
| 591 |
if (linux_boot) {
|
| 592 |
#ifdef DEBUG_BOARD_INIT
|
| 593 |
printf("%s: load kernel\n", __func__);
|
| 594 |
#endif
|
| 595 |
kernel_base = KERNEL_LOAD_ADDR; |
| 596 |
/* now we can load the kernel */
|
| 597 |
kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base); |
| 598 |
if (kernel_size < 0) { |
| 599 |
fprintf(stderr, "qemu: could not load kernel '%s'\n",
|
| 600 |
kernel_filename); |
| 601 |
exit(1);
|
| 602 |
} |
| 603 |
/* load initrd */
|
| 604 |
if (initrd_filename) {
|
| 605 |
initrd_base = INITRD_LOAD_ADDR; |
| 606 |
initrd_size = load_image(initrd_filename, |
| 607 |
phys_ram_base + initrd_base); |
| 608 |
if (initrd_size < 0) { |
| 609 |
fprintf(stderr, |
| 610 |
"qemu: could not load initial ram disk '%s'\n",
|
| 611 |
initrd_filename); |
| 612 |
exit(1);
|
| 613 |
} |
| 614 |
} else {
|
| 615 |
initrd_base = 0;
|
| 616 |
initrd_size = 0;
|
| 617 |
} |
| 618 |
boot_device = 'm';
|
| 619 |
} else {
|
| 620 |
kernel_base = 0;
|
| 621 |
kernel_size = 0;
|
| 622 |
initrd_base = 0;
|
| 623 |
initrd_size = 0;
|
| 624 |
} |
| 625 |
#ifdef DEBUG_BOARD_INIT
|
| 626 |
printf("%s: Done\n", __func__);
|
| 627 |
#endif
|
| 628 |
} |
| 629 |
|
| 630 |
QEMUMachine taihu_machine = {
|
| 631 |
"taihu",
|
| 632 |
"taihu",
|
| 633 |
taihu_405ep_init, |
| 634 |
}; |