e753f33136
The qemu_fdt_*() helper functions already exit with a message instead of returning errors, so we don't need to check for errors in the caller. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
623 lines
19 KiB
C
623 lines
19 KiB
C
/*
|
|
* QEMU aCube Sam460ex board emulation
|
|
*
|
|
* Copyright (c) 2012 François Revol
|
|
* Copyright (c) 2016-2018 BALATON Zoltan
|
|
*
|
|
* This file is derived from hw/ppc440_bamboo.c,
|
|
* the copyright for that material belongs to the original owners.
|
|
*
|
|
* This work is licensed under the GNU GPL license version 2 or later.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qemu/units.h"
|
|
#include "qemu-common.h"
|
|
#include "qemu/error-report.h"
|
|
#include "qapi/error.h"
|
|
#include "hw/hw.h"
|
|
#include "hw/boards.h"
|
|
#include "sysemu/kvm.h"
|
|
#include "kvm_ppc.h"
|
|
#include "sysemu/device_tree.h"
|
|
#include "sysemu/block-backend.h"
|
|
#include "hw/loader.h"
|
|
#include "elf.h"
|
|
#include "exec/address-spaces.h"
|
|
#include "exec/memory.h"
|
|
#include "ppc440.h"
|
|
#include "ppc405.h"
|
|
#include "hw/block/flash.h"
|
|
#include "sysemu/sysemu.h"
|
|
#include "sysemu/qtest.h"
|
|
#include "hw/sysbus.h"
|
|
#include "hw/char/serial.h"
|
|
#include "hw/i2c/ppc4xx_i2c.h"
|
|
#include "hw/i2c/smbus.h"
|
|
#include "hw/usb/hcd-ehci.h"
|
|
#include "hw/ppc/fdt.h"
|
|
|
|
#include <libfdt.h>
|
|
|
|
#define BINARY_DEVICE_TREE_FILE "canyonlands.dtb"
|
|
#define UBOOT_FILENAME "u-boot-sam460-20100605.bin"
|
|
/* to extract the official U-Boot bin from the updater: */
|
|
/* dd bs=1 skip=$(($(stat -c '%s' updater/updater-460) - 0x80000)) \
|
|
if=updater/updater-460 of=u-boot-sam460-20100605.bin */
|
|
|
|
/* from Sam460 U-Boot include/configs/Sam460ex.h */
|
|
#define FLASH_BASE 0xfff00000
|
|
#define FLASH_BASE_H 0x4
|
|
#define FLASH_SIZE (1 * MiB)
|
|
#define UBOOT_LOAD_BASE 0xfff80000
|
|
#define UBOOT_SIZE 0x00080000
|
|
#define UBOOT_ENTRY 0xfffffffc
|
|
|
|
/* from U-Boot */
|
|
#define EPAPR_MAGIC (0x45504150)
|
|
#define KERNEL_ADDR 0x1000000
|
|
#define FDT_ADDR 0x1800000
|
|
#define RAMDISK_ADDR 0x1900000
|
|
|
|
/* Sam460ex IRQ MAP:
|
|
IRQ0 = ETH_INT
|
|
IRQ1 = FPGA_INT
|
|
IRQ2 = PCI_INT (PCIA, PCIB, PCIC, PCIB)
|
|
IRQ3 = FPGA_INT2
|
|
IRQ11 = RTC_INT
|
|
IRQ12 = SM502_INT
|
|
*/
|
|
|
|
#define CPU_FREQ 1150000000
|
|
#define PLB_FREQ 230000000
|
|
#define OPB_FREQ 115000000
|
|
#define EBC_FREQ 115000000
|
|
#define UART_FREQ 11059200
|
|
#define SDRAM_NR_BANKS 4
|
|
|
|
/* FIXME: See u-boot.git 8ac41e, also fix in ppc440_uc.c */
|
|
static const unsigned int ppc460ex_sdram_bank_sizes[] = {
|
|
1 * GiB, 512 * MiB, 256 * MiB, 128 * MiB, 64 * MiB, 32 * MiB, 0
|
|
};
|
|
|
|
struct boot_info {
|
|
uint32_t dt_base;
|
|
uint32_t dt_size;
|
|
uint32_t entry;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* SPD eeprom content from mips_malta.c */
|
|
|
|
struct _eeprom24c0x_t {
|
|
uint8_t tick;
|
|
uint8_t address;
|
|
uint8_t command;
|
|
uint8_t ack;
|
|
uint8_t scl;
|
|
uint8_t sda;
|
|
uint8_t data;
|
|
uint8_t contents[256];
|
|
};
|
|
|
|
typedef struct _eeprom24c0x_t eeprom24c0x_t;
|
|
|
|
static eeprom24c0x_t spd_eeprom = {
|
|
.contents = {
|
|
/* 00000000: */ 0x80, 0x08, 0xFF, 0x0D, 0x0A, 0xFF, 0x40, 0x00,
|
|
/* 00000008: */ 0x04, 0x75, 0x54, 0x00, 0x82, 0x08, 0x00, 0x01,
|
|
/* 00000010: */ 0x8F, 0x04, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00,
|
|
/* 00000018: */ 0x00, 0x00, 0x00, 0x14, 0x0F, 0x14, 0x2D, 0xFF,
|
|
/* 00000020: */ 0x15, 0x08, 0x15, 0x08, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000028: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000030: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000038: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xD0,
|
|
/* 00000040: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000048: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000050: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000058: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000060: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000068: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000070: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* 00000078: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x64, 0xF4,
|
|
},
|
|
};
|
|
|
|
static void generate_eeprom_spd(uint8_t *eeprom, ram_addr_t ram_size)
|
|
{
|
|
enum { SDR = 0x4, DDR1 = 0x7, DDR2 = 0x8 } type;
|
|
uint8_t *spd = spd_eeprom.contents;
|
|
uint8_t nbanks = 0;
|
|
uint16_t density = 0;
|
|
int i;
|
|
|
|
/* work in terms of MB */
|
|
ram_size /= MiB;
|
|
|
|
while ((ram_size >= 4) && (nbanks <= 2)) {
|
|
int sz_log2 = MIN(31 - clz32(ram_size), 14);
|
|
nbanks++;
|
|
density |= 1 << (sz_log2 - 2);
|
|
ram_size -= 1 << sz_log2;
|
|
}
|
|
|
|
/* split to 2 banks if possible */
|
|
if ((nbanks == 1) && (density > 1)) {
|
|
nbanks++;
|
|
density >>= 1;
|
|
}
|
|
|
|
if (density & 0xff00) {
|
|
density = (density & 0xe0) | ((density >> 8) & 0x1f);
|
|
type = DDR2;
|
|
} else if (!(density & 0x1f)) {
|
|
type = DDR2;
|
|
} else {
|
|
type = SDR;
|
|
}
|
|
|
|
if (ram_size) {
|
|
warn_report("SPD cannot represent final " RAM_ADDR_FMT "MB"
|
|
" of SDRAM", ram_size);
|
|
}
|
|
|
|
/* fill in SPD memory information */
|
|
spd[2] = type;
|
|
spd[5] = nbanks;
|
|
spd[31] = density;
|
|
|
|
/* XXX: this is totally random */
|
|
spd[9] = 0x10; /* CAS tcyc */
|
|
spd[18] = 0x20; /* CAS bit */
|
|
spd[23] = 0x10; /* CAS tcyc */
|
|
spd[25] = 0x10; /* CAS tcyc */
|
|
|
|
/* checksum */
|
|
spd[63] = 0;
|
|
for (i = 0; i < 63; i++) {
|
|
spd[63] += spd[i];
|
|
}
|
|
|
|
/* copy for SMBUS */
|
|
memcpy(eeprom, spd, sizeof(spd_eeprom.contents));
|
|
}
|
|
|
|
static void generate_eeprom_serial(uint8_t *eeprom)
|
|
{
|
|
int i, pos = 0;
|
|
uint8_t mac[6] = { 0x00 };
|
|
uint8_t sn[5] = { 0x01, 0x23, 0x45, 0x67, 0x89 };
|
|
|
|
/* version */
|
|
eeprom[pos++] = 0x01;
|
|
|
|
/* count */
|
|
eeprom[pos++] = 0x02;
|
|
|
|
/* MAC address */
|
|
eeprom[pos++] = 0x01; /* MAC */
|
|
eeprom[pos++] = 0x06; /* length */
|
|
memcpy(&eeprom[pos], mac, sizeof(mac));
|
|
pos += sizeof(mac);
|
|
|
|
/* serial number */
|
|
eeprom[pos++] = 0x02; /* serial */
|
|
eeprom[pos++] = 0x05; /* length */
|
|
memcpy(&eeprom[pos], sn, sizeof(sn));
|
|
pos += sizeof(sn);
|
|
|
|
/* checksum */
|
|
eeprom[pos] = 0;
|
|
for (i = 0; i < pos; i++) {
|
|
eeprom[pos] += eeprom[i];
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
static int sam460ex_load_uboot(void)
|
|
{
|
|
DriveInfo *dinfo;
|
|
BlockBackend *blk = NULL;
|
|
hwaddr base = FLASH_BASE | ((hwaddr)FLASH_BASE_H << 32);
|
|
long bios_size = FLASH_SIZE;
|
|
int fl_sectors;
|
|
|
|
dinfo = drive_get(IF_PFLASH, 0, 0);
|
|
if (dinfo) {
|
|
blk = blk_by_legacy_dinfo(dinfo);
|
|
bios_size = blk_getlength(blk);
|
|
}
|
|
fl_sectors = (bios_size + 65535) >> 16;
|
|
|
|
if (!pflash_cfi01_register(base, NULL, "sam460ex.flash", bios_size,
|
|
blk, 64 * KiB, fl_sectors,
|
|
1, 0x89, 0x18, 0x0000, 0x0, 1)) {
|
|
error_report("qemu: Error registering flash memory.");
|
|
/* XXX: return an error instead? */
|
|
exit(1);
|
|
}
|
|
|
|
if (!blk) {
|
|
/*error_report("No flash image given with the 'pflash' parameter,"
|
|
" using default u-boot image");*/
|
|
base = UBOOT_LOAD_BASE | ((hwaddr)FLASH_BASE_H << 32);
|
|
rom_add_file_fixed(UBOOT_FILENAME, base, -1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sam460ex_load_device_tree(hwaddr addr,
|
|
uint32_t ramsize,
|
|
hwaddr initrd_base,
|
|
hwaddr initrd_size,
|
|
const char *kernel_cmdline)
|
|
{
|
|
int ret = -1;
|
|
uint32_t mem_reg_property[] = { 0, 0, cpu_to_be32(ramsize) };
|
|
char *filename;
|
|
int fdt_size;
|
|
void *fdt;
|
|
uint32_t tb_freq = CPU_FREQ;
|
|
uint32_t clock_freq = CPU_FREQ;
|
|
int offset;
|
|
|
|
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
|
|
if (!filename) {
|
|
goto out;
|
|
}
|
|
fdt = load_device_tree(filename, &fdt_size);
|
|
g_free(filename);
|
|
if (fdt == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/* Manipulate device tree in memory. */
|
|
|
|
qemu_fdt_setprop(fdt, "/memory", "reg", mem_reg_property,
|
|
sizeof(mem_reg_property));
|
|
|
|
/* default FDT doesn't have a /chosen node... */
|
|
qemu_fdt_add_subnode(fdt, "/chosen");
|
|
|
|
qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", initrd_base);
|
|
|
|
qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
|
|
(initrd_base + initrd_size));
|
|
|
|
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", kernel_cmdline);
|
|
|
|
/* Copy data from the host device tree into the guest. Since the guest can
|
|
* directly access the timebase without host involvement, we must expose
|
|
* the correct frequencies. */
|
|
if (kvm_enabled()) {
|
|
tb_freq = kvmppc_get_tbfreq();
|
|
clock_freq = kvmppc_get_clockfreq();
|
|
}
|
|
|
|
qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "clock-frequency",
|
|
clock_freq);
|
|
qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "timebase-frequency",
|
|
tb_freq);
|
|
|
|
/* Remove cpm node if it exists (it is not emulated) */
|
|
offset = fdt_path_offset(fdt, "/cpm");
|
|
if (offset >= 0) {
|
|
_FDT(fdt_nop_node(fdt, offset));
|
|
}
|
|
|
|
/* set serial port clocks */
|
|
offset = fdt_node_offset_by_compatible(fdt, -1, "ns16550");
|
|
while (offset >= 0) {
|
|
_FDT(fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ));
|
|
offset = fdt_node_offset_by_compatible(fdt, offset, "ns16550");
|
|
}
|
|
|
|
/* some more clocks */
|
|
qemu_fdt_setprop_cell(fdt, "/plb", "clock-frequency",
|
|
PLB_FREQ);
|
|
qemu_fdt_setprop_cell(fdt, "/plb/opb", "clock-frequency",
|
|
OPB_FREQ);
|
|
qemu_fdt_setprop_cell(fdt, "/plb/opb/ebc", "clock-frequency",
|
|
EBC_FREQ);
|
|
|
|
rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
|
|
g_free(fdt);
|
|
ret = fdt_size;
|
|
|
|
out:
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Create reset TLB entries for BookE, mapping only the flash memory. */
|
|
static void mmubooke_create_initial_mapping_uboot(CPUPPCState *env)
|
|
{
|
|
ppcemb_tlb_t *tlb = &env->tlb.tlbe[0];
|
|
|
|
/* on reset the flash is mapped by a shadow TLB,
|
|
* but since we don't implement them we need to use
|
|
* the same values U-Boot will use to avoid a fault.
|
|
*/
|
|
tlb->attr = 0;
|
|
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
|
|
tlb->size = 0x10000000; /* up to 0xffffffff */
|
|
tlb->EPN = 0xf0000000 & TARGET_PAGE_MASK;
|
|
tlb->RPN = (0xf0000000 & TARGET_PAGE_MASK) | 0x4;
|
|
tlb->PID = 0;
|
|
}
|
|
|
|
/* Create reset TLB entries for BookE, spanning the 32bit addr space. */
|
|
static void mmubooke_create_initial_mapping(CPUPPCState *env,
|
|
target_ulong va,
|
|
hwaddr pa)
|
|
{
|
|
ppcemb_tlb_t *tlb = &env->tlb.tlbe[0];
|
|
|
|
tlb->attr = 0;
|
|
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
|
|
tlb->size = 1 << 31; /* up to 0x80000000 */
|
|
tlb->EPN = va & TARGET_PAGE_MASK;
|
|
tlb->RPN = pa & TARGET_PAGE_MASK;
|
|
tlb->PID = 0;
|
|
}
|
|
|
|
static void main_cpu_reset(void *opaque)
|
|
{
|
|
PowerPCCPU *cpu = opaque;
|
|
CPUPPCState *env = &cpu->env;
|
|
struct boot_info *bi = env->load_info;
|
|
|
|
cpu_reset(CPU(cpu));
|
|
|
|
/* either we have a kernel to boot or we jump to U-Boot */
|
|
if (bi->entry != UBOOT_ENTRY) {
|
|
env->gpr[1] = (16 * MiB) - 8;
|
|
env->gpr[3] = FDT_ADDR;
|
|
env->nip = bi->entry;
|
|
|
|
/* Create a mapping for the kernel. */
|
|
mmubooke_create_initial_mapping(env, 0, 0);
|
|
env->gpr[6] = tswap32(EPAPR_MAGIC);
|
|
env->gpr[7] = (16 * MiB) - 8; /* bi->ima_size; */
|
|
|
|
} else {
|
|
env->nip = UBOOT_ENTRY;
|
|
mmubooke_create_initial_mapping_uboot(env);
|
|
}
|
|
}
|
|
|
|
static void sam460ex_init(MachineState *machine)
|
|
{
|
|
MemoryRegion *address_space_mem = get_system_memory();
|
|
MemoryRegion *isa = g_new(MemoryRegion, 1);
|
|
MemoryRegion *ram_memories = g_new(MemoryRegion, SDRAM_NR_BANKS);
|
|
hwaddr ram_bases[SDRAM_NR_BANKS];
|
|
hwaddr ram_sizes[SDRAM_NR_BANKS];
|
|
MemoryRegion *l2cache_ram = g_new(MemoryRegion, 1);
|
|
qemu_irq *irqs, *uic[4];
|
|
PCIBus *pci_bus;
|
|
PowerPCCPU *cpu;
|
|
CPUPPCState *env;
|
|
PPC4xxI2CState *i2c[2];
|
|
hwaddr entry = UBOOT_ENTRY;
|
|
hwaddr loadaddr = 0;
|
|
target_long initrd_size = 0;
|
|
DeviceState *dev;
|
|
SysBusDevice *sbdev;
|
|
int success;
|
|
int i;
|
|
struct boot_info *boot_info;
|
|
const size_t smbus_eeprom_size = 8 * 256;
|
|
uint8_t *smbus_eeprom_buf = g_malloc0(smbus_eeprom_size);
|
|
|
|
cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
|
|
env = &cpu->env;
|
|
if (env->mmu_model != POWERPC_MMU_BOOKE) {
|
|
error_report("Only MMU model BookE is supported by this machine.");
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef TARGET_PPCEMB
|
|
if (!qtest_enabled()) {
|
|
warn_report("qemu-system-ppcemb is deprecated, "
|
|
"please use qemu-system-ppc instead.");
|
|
}
|
|
#endif
|
|
|
|
qemu_register_reset(main_cpu_reset, cpu);
|
|
boot_info = g_malloc0(sizeof(*boot_info));
|
|
env->load_info = boot_info;
|
|
|
|
ppc_booke_timers_init(cpu, CPU_FREQ, 0);
|
|
ppc_dcr_init(env, NULL, NULL);
|
|
|
|
/* PLB arbitrer */
|
|
ppc4xx_plb_init(env);
|
|
|
|
/* interrupt controllers */
|
|
irqs = g_malloc0(sizeof(*irqs) * PPCUIC_OUTPUT_NB);
|
|
irqs[PPCUIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
|
|
irqs[PPCUIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
|
|
uic[0] = ppcuic_init(env, irqs, 0xc0, 0, 1);
|
|
uic[1] = ppcuic_init(env, &uic[0][30], 0xd0, 0, 1);
|
|
uic[2] = ppcuic_init(env, &uic[0][10], 0xe0, 0, 1);
|
|
uic[3] = ppcuic_init(env, &uic[0][16], 0xf0, 0, 1);
|
|
|
|
/* SDRAM controller */
|
|
memset(ram_bases, 0, sizeof(ram_bases));
|
|
memset(ram_sizes, 0, sizeof(ram_sizes));
|
|
/* put all RAM on first bank because board has one slot
|
|
* and firmware only checks that */
|
|
machine->ram_size = ppc4xx_sdram_adjust(machine->ram_size, 1,
|
|
ram_memories, ram_bases, ram_sizes,
|
|
ppc460ex_sdram_bank_sizes);
|
|
|
|
/* FIXME: does 460EX have ECC interrupts? */
|
|
ppc440_sdram_init(env, SDRAM_NR_BANKS, ram_memories,
|
|
ram_bases, ram_sizes, 1);
|
|
|
|
/* generate SPD EEPROM data */
|
|
for (i = 0; i < SDRAM_NR_BANKS; i++) {
|
|
generate_eeprom_spd(&smbus_eeprom_buf[i * 256], ram_sizes[i]);
|
|
}
|
|
generate_eeprom_serial(&smbus_eeprom_buf[4 * 256]);
|
|
generate_eeprom_serial(&smbus_eeprom_buf[6 * 256]);
|
|
|
|
/* IIC controllers */
|
|
dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600700, uic[0][2]);
|
|
i2c[0] = PPC4xx_I2C(dev);
|
|
object_property_set_bool(OBJECT(dev), true, "realized", NULL);
|
|
smbus_eeprom_init(i2c[0]->bus, 8, smbus_eeprom_buf, smbus_eeprom_size);
|
|
g_free(smbus_eeprom_buf);
|
|
i2c_create_slave(i2c[0]->bus, "m41t80", 0x68);
|
|
|
|
dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600800, uic[0][3]);
|
|
i2c[1] = PPC4xx_I2C(dev);
|
|
|
|
/* External bus controller */
|
|
ppc405_ebc_init(env);
|
|
|
|
/* CPR */
|
|
ppc4xx_cpr_init(env);
|
|
|
|
/* PLB to AHB bridge */
|
|
ppc4xx_ahb_init(env);
|
|
|
|
/* System DCRs */
|
|
ppc4xx_sdr_init(env);
|
|
|
|
/* MAL */
|
|
ppc4xx_mal_init(env, 4, 16, &uic[2][3]);
|
|
|
|
/* DMA */
|
|
ppc4xx_dma_init(env, 0x200);
|
|
|
|
/* 256K of L2 cache as memory */
|
|
ppc4xx_l2sram_init(env);
|
|
/* FIXME: remove this after fixing l2sram mapping in ppc440_uc.c? */
|
|
memory_region_init_ram(l2cache_ram, NULL, "ppc440.l2cache_ram", 256 * KiB,
|
|
&error_abort);
|
|
memory_region_add_subregion(address_space_mem, 0x400000000LL, l2cache_ram);
|
|
|
|
/* USB */
|
|
sysbus_create_simple(TYPE_PPC4xx_EHCI, 0x4bffd0400, uic[2][29]);
|
|
dev = qdev_create(NULL, "sysbus-ohci");
|
|
qdev_prop_set_string(dev, "masterbus", "usb-bus.0");
|
|
qdev_prop_set_uint32(dev, "num-ports", 6);
|
|
qdev_init_nofail(dev);
|
|
sbdev = SYS_BUS_DEVICE(dev);
|
|
sysbus_mmio_map(sbdev, 0, 0x4bffd0000);
|
|
sysbus_connect_irq(sbdev, 0, uic[2][30]);
|
|
usb_create_simple(usb_bus_find(-1), "usb-kbd");
|
|
usb_create_simple(usb_bus_find(-1), "usb-mouse");
|
|
|
|
/* PCI bus */
|
|
ppc460ex_pcie_init(env);
|
|
/* FIXME: is this correct? */
|
|
dev = sysbus_create_varargs("ppc440-pcix-host", 0xc0ec00000,
|
|
uic[1][0], uic[1][20], uic[1][21], uic[1][22],
|
|
NULL);
|
|
pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
|
|
if (!pci_bus) {
|
|
error_report("couldn't create PCI controller!");
|
|
exit(1);
|
|
}
|
|
memory_region_init_alias(isa, NULL, "isa_mmio", get_system_io(),
|
|
0, 0x10000);
|
|
memory_region_add_subregion(get_system_memory(), 0xc08000000, isa);
|
|
|
|
/* PCI devices */
|
|
pci_create_simple(pci_bus, PCI_DEVFN(6, 0), "sm501");
|
|
/* SoC has a single SATA port but we don't emulate that yet
|
|
* However, firmware and usual clients have driver for SiI311x
|
|
* so add one for convenience by default */
|
|
if (defaults_enabled()) {
|
|
pci_create_simple(pci_bus, -1, "sii3112");
|
|
}
|
|
|
|
/* SoC has 4 UARTs
|
|
* but board has only one wired and two are present in fdt */
|
|
if (serial_hd(0) != NULL) {
|
|
serial_mm_init(address_space_mem, 0x4ef600300, 0, uic[1][1],
|
|
PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
|
|
DEVICE_BIG_ENDIAN);
|
|
}
|
|
if (serial_hd(1) != NULL) {
|
|
serial_mm_init(address_space_mem, 0x4ef600400, 0, uic[0][1],
|
|
PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
|
|
DEVICE_BIG_ENDIAN);
|
|
}
|
|
|
|
/* Load U-Boot image. */
|
|
if (!machine->kernel_filename) {
|
|
success = sam460ex_load_uboot();
|
|
if (success < 0) {
|
|
error_report("qemu: could not load firmware");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* Load kernel. */
|
|
if (machine->kernel_filename) {
|
|
success = load_uimage(machine->kernel_filename, &entry, &loadaddr,
|
|
NULL, NULL, NULL);
|
|
if (success < 0) {
|
|
uint64_t elf_entry, elf_lowaddr;
|
|
|
|
success = load_elf(machine->kernel_filename, NULL, NULL, &elf_entry,
|
|
&elf_lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0);
|
|
entry = elf_entry;
|
|
loadaddr = elf_lowaddr;
|
|
}
|
|
/* XXX try again as binary */
|
|
if (success < 0) {
|
|
error_report("qemu: could not load kernel '%s'",
|
|
machine->kernel_filename);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* Load initrd. */
|
|
if (machine->initrd_filename) {
|
|
initrd_size = load_image_targphys(machine->initrd_filename,
|
|
RAMDISK_ADDR,
|
|
machine->ram_size - RAMDISK_ADDR);
|
|
if (initrd_size < 0) {
|
|
error_report("qemu: could not load ram disk '%s' at %x",
|
|
machine->initrd_filename, RAMDISK_ADDR);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* If we're loading a kernel directly, we must load the device tree too. */
|
|
if (machine->kernel_filename) {
|
|
int dt_size;
|
|
|
|
dt_size = sam460ex_load_device_tree(FDT_ADDR, machine->ram_size,
|
|
RAMDISK_ADDR, initrd_size,
|
|
machine->kernel_cmdline);
|
|
if (dt_size < 0) {
|
|
error_report("couldn't load device tree");
|
|
exit(1);
|
|
}
|
|
|
|
boot_info->dt_base = FDT_ADDR;
|
|
boot_info->dt_size = dt_size;
|
|
}
|
|
|
|
boot_info->entry = entry;
|
|
}
|
|
|
|
static void sam460ex_machine_init(MachineClass *mc)
|
|
{
|
|
mc->desc = "aCube Sam460ex";
|
|
mc->init = sam460ex_init;
|
|
mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("460exb");
|
|
mc->default_ram_size = 512 * MiB;
|
|
}
|
|
|
|
DEFINE_MACHINE("sam460ex", sam460ex_machine_init)
|