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xemu/hw/ppc_newworld.c
blueswir1 513f789f6b Use firmware configuration instead of NVRAM (initial patch by Aurelien Jarno) 
Use firmware configuration device for boot device, kernel, initrd and
kernel command line parameters on PPC, Sparc32 and Sparc64.

Update OpenBIOS images to r479 which supports the change.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6777 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-08 09:51:29 +00:00

366 lines
13 KiB
C
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/*
* QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
*
* Copyright (c) 2004-2007 Fabrice Bellard
* Copyright (c) 2007 Jocelyn Mayer
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "hw.h"
#include "ppc.h"
#include "ppc_mac.h"
#include "mac_dbdma.h"
#include "nvram.h"
#include "pc.h"
#include "pci.h"
#include "net.h"
#include "sysemu.h"
#include "boards.h"
#include "fw_cfg.h"
#include "escc.h"
#include "openpic.h"
#define MAX_IDE_BUS 2
#define VGA_BIOS_SIZE 65536
#define CFG_ADDR 0xf0000510
/* debug UniNorth */
//#define DEBUG_UNIN
#ifdef DEBUG_UNIN
#define UNIN_DPRINTF(fmt, args...) \
do { printf("UNIN: " fmt , ##args); } while (0)
#else
#define UNIN_DPRINTF(fmt, args...)
#endif
/* UniN device */
static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
{
UNIN_DPRINTF("writel addr " TARGET_FMT_plx " val %x\n", addr, value);
}
static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
{
uint32_t value;
value = 0;
UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
return value;
}
static CPUWriteMemoryFunc *unin_write[] = {
&unin_writel,
&unin_writel,
&unin_writel,
};
static CPUReadMemoryFunc *unin_read[] = {
&unin_readl,
&unin_readl,
&unin_readl,
};
static int fw_cfg_boot_set(void *opaque, const char *boot_device)
{
fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
return 0;
}
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
const char *boot_device,
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model)
{
CPUState *env = NULL, *envs[MAX_CPUS];
char buf[1024];
qemu_irq *pic, **openpic_irqs;
int unin_memory;
int linux_boot, i;
ram_addr_t ram_offset, vga_ram_offset, bios_offset, vga_bios_offset;
uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
PCIBus *pci_bus;
MacIONVRAMState *nvr;
int nvram_mem_index;
int vga_bios_size, bios_size;
qemu_irq *dummy_irq;
int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
int ppc_boot_device;
int index;
BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
void *fw_cfg;
void *dbdma;
linux_boot = (kernel_filename != NULL);
/* init CPUs */
if (cpu_model == NULL)
cpu_model = "G4";
for (i = 0; i < smp_cpus; i++) {
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find PowerPC CPU definition\n");
exit(1);
}
/* Set time-base frequency to 100 Mhz */
cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
#if 0
env->osi_call = vga_osi_call;
#endif
qemu_register_reset(&cpu_ppc_reset, env);
envs[i] = env;
}
/* allocate RAM */
ram_offset = qemu_ram_alloc(ram_size);
cpu_register_physical_memory(0, ram_size, ram_offset);
/* allocate VGA RAM */
vga_ram_offset = qemu_ram_alloc(vga_ram_size);
/* allocate and load BIOS */
bios_offset = qemu_ram_alloc(BIOS_SIZE);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
/* Load OpenBIOS (ELF) */
bios_size = load_elf(buf, 0, NULL, NULL, NULL);
if (bios_size < 0 || bios_size > BIOS_SIZE) {
cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
exit(1);
}
/* allocate and load VGA BIOS */
vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
if (vga_bios_size < 0) {
/* if no bios is present, we can still work */
fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
vga_bios_size = 0;
} else {
/* set a specific header (XXX: find real Apple format for NDRV
drivers) */
phys_ram_base[vga_bios_offset] = 'N';
phys_ram_base[vga_bios_offset + 1] = 'D';
phys_ram_base[vga_bios_offset + 2] = 'R';
phys_ram_base[vga_bios_offset + 3] = 'V';
cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
vga_bios_size);
vga_bios_size += 8;
}
if (linux_boot) {
uint64_t lowaddr = 0;
kernel_base = KERNEL_LOAD_ADDR;
/* Now we can load the kernel. The first step tries to load the kernel
supposing PhysAddr = 0x00000000. If that was wrong the kernel is
loaded again, the new PhysAddr being computed from lowaddr. */
kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL);
if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
NULL, 0, NULL);
}
if (kernel_size < 0)
kernel_size = load_aout(kernel_filename, kernel_base,
ram_size - kernel_base);
if (kernel_size < 0)
kernel_size = load_image_targphys(kernel_filename,
kernel_base,
ram_size - kernel_base);
if (kernel_size < 0) {
cpu_abort(env, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
/* load initrd */
if (initrd_filename) {
initrd_base = INITRD_LOAD_ADDR;
initrd_size = load_image(initrd_filename,
phys_ram_base + initrd_base);
if (initrd_size < 0) {
cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
} else {
initrd_base = 0;
initrd_size = 0;
}
ppc_boot_device = 'm';
} else {
kernel_base = 0;
kernel_size = 0;
initrd_base = 0;
initrd_size = 0;
ppc_boot_device = '\0';
/* We consider that NewWorld PowerMac never have any floppy drive
* For now, OHW cannot boot from the network.
*/
for (i = 0; boot_device[i] != '\0'; i++) {
if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
ppc_boot_device = boot_device[i];
break;
}
}
if (ppc_boot_device == '\0') {
fprintf(stderr, "No valid boot device for Mac99 machine\n");
exit(1);
}
}
isa_mem_base = 0x80000000;
/* Register 8 MB of ISA IO space */
isa_mmio_init(0xf2000000, 0x00800000);
/* UniN init */
unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
openpic_irqs[0] =
qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
for (i = 0; i < smp_cpus; i++) {
/* Mac99 IRQ connection between OpenPIC outputs pins
* and PowerPC input pins
*/
switch (PPC_INPUT(env)) {
case PPC_FLAGS_INPUT_6xx:
openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
openpic_irqs[i][OPENPIC_OUTPUT_INT] =
((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
/* Not connected ? */
openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
/* Check this */
openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
break;
#if defined(TARGET_PPC64)
case PPC_FLAGS_INPUT_970:
openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
openpic_irqs[i][OPENPIC_OUTPUT_INT] =
((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
/* Not connected ? */
openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
/* Check this */
openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
break;
#endif /* defined(TARGET_PPC64) */
default:
cpu_abort(env, "Bus model not supported on mac99 machine\n");
exit(1);
}
}
pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
pci_bus = pci_pmac_init(pic);
/* init basic PC hardware */
pci_vga_init(pci_bus, phys_ram_base + vga_ram_offset,
vga_ram_offset, vga_ram_size,
vga_bios_offset, vga_bios_size);
/* XXX: suppress that */
dummy_irq = i8259_init(NULL);
escc_mem_index = escc_init(0x80013000, dummy_irq[4], dummy_irq[5],
serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
for(i = 0; i < nb_nics; i++)
pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
fprintf(stderr, "qemu: too many IDE bus\n");
exit(1);
}
for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
if (index != -1)
hd[i] = drives_table[index].bdrv;
else
hd[i] = NULL;
}
dbdma = DBDMA_init(&dbdma_mem_index);
pci_cmd646_ide_init(pci_bus, hd, 0);
/* cuda also initialize ADB */
cuda_init(&cuda_mem_index, pic[0x19]);
adb_kbd_init(&adb_bus);
adb_mouse_init(&adb_bus);
macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
dbdma_mem_index, cuda_mem_index, NULL, 0, NULL,
escc_mem_index);
if (usb_enabled) {
usb_ohci_init_pci(pci_bus, 3, -1);
}
if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
graphic_depth = 15;
/* The NewWorld NVRAM is not located in the MacIO device */
nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
pmac_format_nvram_partition(nvr, 0x2000);
macio_nvram_map(nvr, 0xFFF04000);
/* No PCI init: the BIOS will do it */
fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_MAC99);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (kernel_cmdline) {
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
}
fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
QEMUMachine core99_machine = {
.name = "mac99",
.desc = "Mac99 based PowerMAC",
.init = ppc_core99_init,
.ram_require = BIOS_SIZE + VGA_BIOS_SIZE + VGA_RAM_SIZE,
.max_cpus = MAX_CPUS,
};
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