aeeb69c73e
The Z85C30 on the PowerMAC machines have one interrupt per serial channel, while the Sparc machines have only one for both. Allow the emulated device to use one IRQ per channel. Patch by Laurent Vivier. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6295 c046a42c-6fe2-441c-8c8c-71466251a162
340 lines
12 KiB
C
340 lines
12 KiB
C
/*
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* QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
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*
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* Copyright (c) 2004-2007 Fabrice Bellard
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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 "hw.h"
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#include "ppc.h"
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#include "ppc_mac.h"
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#include "nvram.h"
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#include "pc.h"
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#include "pci.h"
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#include "net.h"
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#include "sysemu.h"
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#include "boards.h"
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#include "escc.h"
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#define MAX_IDE_BUS 2
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/* UniN device */
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static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
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{
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}
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static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
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{
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return 0;
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}
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static CPUWriteMemoryFunc *unin_write[] = {
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&unin_writel,
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&unin_writel,
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&unin_writel,
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};
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static CPUReadMemoryFunc *unin_read[] = {
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&unin_readl,
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&unin_readl,
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&unin_readl,
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};
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/* PowerPC Mac99 hardware initialisation */
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static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
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const char *boot_device, DisplayState *ds,
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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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CPUState *env = NULL, *envs[MAX_CPUS];
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char buf[1024];
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qemu_irq *pic, **openpic_irqs;
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int unin_memory;
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int linux_boot, i;
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unsigned long bios_offset, vga_bios_offset;
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uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
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PCIBus *pci_bus;
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nvram_t nvram;
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#if 0
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MacIONVRAMState *nvr;
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int nvram_mem_index;
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#endif
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m48t59_t *m48t59;
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int vga_bios_size, bios_size;
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qemu_irq *dummy_irq;
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int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
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int ide_mem_index[2];
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int ppc_boot_device;
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int index;
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BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
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linux_boot = (kernel_filename != NULL);
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/* init CPUs */
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if (cpu_model == NULL)
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cpu_model = "default";
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for (i = 0; i < smp_cpus; i++) {
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env = cpu_init(cpu_model);
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if (!env) {
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fprintf(stderr, "Unable to find PowerPC CPU definition\n");
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exit(1);
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}
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/* Set time-base frequency to 100 Mhz */
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cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
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#if 0
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env->osi_call = vga_osi_call;
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#endif
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qemu_register_reset(&cpu_ppc_reset, env);
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envs[i] = env;
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}
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if (env->nip < 0xFFF80000) {
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/* Special test for PowerPC 601:
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* the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
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* But the NVRAM is located at 0xFFF04000...
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*/
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cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
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}
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/* allocate RAM */
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cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
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/* allocate and load BIOS */
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bios_offset = ram_size + vga_ram_size;
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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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cpu_abort(env, "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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if (bios_size > 0x00080000) {
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/* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
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cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
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}
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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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/* allocate and load VGA BIOS */
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vga_bios_offset = bios_offset + bios_size;
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snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
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vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
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if (vga_bios_size < 0) {
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/* if no bios is present, we can still work */
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fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
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vga_bios_size = 0;
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} else {
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/* set a specific header (XXX: find real Apple format for NDRV
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drivers) */
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phys_ram_base[vga_bios_offset] = 'N';
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phys_ram_base[vga_bios_offset + 1] = 'D';
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phys_ram_base[vga_bios_offset + 2] = 'R';
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phys_ram_base[vga_bios_offset + 3] = 'V';
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cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
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vga_bios_size);
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vga_bios_size += 8;
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}
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vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff;
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if (linux_boot) {
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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);
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if (kernel_size < 0) {
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cpu_abort(env, "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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/* 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);
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if (initrd_size < 0) {
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cpu_abort(env, "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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ppc_boot_device = 'm';
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} else {
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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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ppc_boot_device = '\0';
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/* We consider that NewWorld PowerMac never have any floppy drive
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* For now, OHW cannot boot from the network.
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*/
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for (i = 0; boot_device[i] != '\0'; i++) {
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if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
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ppc_boot_device = boot_device[i];
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break;
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}
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}
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if (ppc_boot_device == '\0') {
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fprintf(stderr, "No valid boot device for Mac99 machine\n");
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exit(1);
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}
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}
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isa_mem_base = 0x80000000;
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/* Register 8 MB of ISA IO space */
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isa_mmio_init(0xf2000000, 0x00800000);
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/* UniN init */
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unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
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cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
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openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
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openpic_irqs[0] =
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qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
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for (i = 0; i < smp_cpus; i++) {
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/* Mac99 IRQ connection between OpenPIC outputs pins
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* and PowerPC input pins
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*/
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switch (PPC_INPUT(env)) {
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case PPC_FLAGS_INPUT_6xx:
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openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
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openpic_irqs[i][OPENPIC_OUTPUT_INT] =
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((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
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openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
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((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
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openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
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((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
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/* Not connected ? */
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openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
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/* Check this */
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openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
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((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
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break;
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#if defined(TARGET_PPC64)
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case PPC_FLAGS_INPUT_970:
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openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
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openpic_irqs[i][OPENPIC_OUTPUT_INT] =
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((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
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openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
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((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
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openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
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((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
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/* Not connected ? */
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openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
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/* Check this */
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openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
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((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
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break;
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#endif /* defined(TARGET_PPC64) */
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default:
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cpu_abort(env, "Bus model not supported on mac99 machine\n");
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exit(1);
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}
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}
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pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
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pci_bus = pci_pmac_init(pic);
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/* init basic PC hardware */
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pci_vga_init(pci_bus, ds, phys_ram_base + ram_size,
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ram_size, vga_ram_size,
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vga_bios_offset, vga_bios_size);
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/* XXX: suppress that */
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dummy_irq = i8259_init(NULL);
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escc_mem_index = escc_init(0x80013000, dummy_irq[4], dummy_irq[5],
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serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
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for(i = 0; i < nb_nics; i++)
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pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
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if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
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fprintf(stderr, "qemu: too many IDE bus\n");
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exit(1);
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}
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for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
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index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
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if (index != -1)
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hd[i] = drives_table[index].bdrv;
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else
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hd[i] = NULL;
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}
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#if 1
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ide_mem_index[0] = pmac_ide_init(&hd[0], pic[0x13]);
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ide_mem_index[1] = pmac_ide_init(&hd[2], pic[0x14]);
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#else
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pci_cmd646_ide_init(pci_bus, &hd[0], 0);
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#endif
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/* cuda also initialize ADB */
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cuda_init(&cuda_mem_index, pic[0x19]);
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adb_kbd_init(&adb_bus);
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adb_mouse_init(&adb_bus);
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dbdma_init(&dbdma_mem_index);
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macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index,
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cuda_mem_index, NULL, 2, ide_mem_index, escc_mem_index);
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if (usb_enabled) {
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usb_ohci_init_pci(pci_bus, 3, -1);
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}
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if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
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graphic_depth = 15;
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#if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
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/* The NewWorld NVRAM is not located in the MacIO device */
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nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
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pmac_format_nvram_partition(nvr, 0x2000);
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macio_nvram_map(nvr, 0xFFF04000);
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nvram.opaque = nvr;
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nvram.read_fn = &macio_nvram_read;
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nvram.write_fn = &macio_nvram_write;
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#else
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m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59);
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nvram.opaque = m48t59;
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nvram.read_fn = &m48t59_read;
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nvram.write_fn = &m48t59_write;
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#endif
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PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size,
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ppc_boot_device, kernel_base, kernel_size,
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kernel_cmdline,
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initrd_base, initrd_size,
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/* XXX: need an option to load a NVRAM image */
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0,
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graphic_width, graphic_height, graphic_depth);
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/* No PCI init: the BIOS will do it */
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/* Special port to get debug messages from Open-Firmware */
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register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
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}
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QEMUMachine core99_machine = {
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.name = "mac99",
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.desc = "Mac99 based PowerMAC",
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.init = ppc_core99_init,
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.ram_require = BIOS_SIZE + VGA_RAM_SIZE,
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.max_cpus = MAX_CPUS,
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};
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