499 lines
16 KiB
C
499 lines
16 KiB
C
/*
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* ARM Versatile Express emulation.
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*
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* Copyright (c) 2010 - 2011 B Labs Ltd.
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* Copyright (c) 2011 Linaro Limited
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* Written by Bahadir Balban, Amit Mahajan, Peter Maydell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "sysbus.h"
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#include "arm-misc.h"
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#include "primecell.h"
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#include "devices.h"
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#include "net/net.h"
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#include "sysemu/sysemu.h"
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#include "boards.h"
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#include "exec/address-spaces.h"
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#include "sysemu/blockdev.h"
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#include "flash.h"
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#define VEXPRESS_BOARD_ID 0x8e0
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#define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024)
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#define VEXPRESS_FLASH_SECT_SIZE (256 * 1024)
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static struct arm_boot_info vexpress_binfo;
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/* Address maps for peripherals:
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* the Versatile Express motherboard has two possible maps,
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* the "legacy" one (used for A9) and the "Cortex-A Series"
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* map (used for newer cores).
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* Individual daughterboards can also have different maps for
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* their peripherals.
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*/
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enum {
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VE_SYSREGS,
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VE_SP810,
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VE_SERIALPCI,
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VE_PL041,
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VE_MMCI,
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VE_KMI0,
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VE_KMI1,
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VE_UART0,
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VE_UART1,
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VE_UART2,
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VE_UART3,
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VE_WDT,
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VE_TIMER01,
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VE_TIMER23,
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VE_SERIALDVI,
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VE_RTC,
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VE_COMPACTFLASH,
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VE_CLCD,
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VE_NORFLASH0,
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VE_NORFLASH1,
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VE_SRAM,
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VE_VIDEORAM,
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VE_ETHERNET,
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VE_USB,
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VE_DAPROM,
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};
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static hwaddr motherboard_legacy_map[] = {
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/* CS7: 0x10000000 .. 0x10020000 */
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[VE_SYSREGS] = 0x10000000,
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[VE_SP810] = 0x10001000,
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[VE_SERIALPCI] = 0x10002000,
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[VE_PL041] = 0x10004000,
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[VE_MMCI] = 0x10005000,
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[VE_KMI0] = 0x10006000,
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[VE_KMI1] = 0x10007000,
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[VE_UART0] = 0x10009000,
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[VE_UART1] = 0x1000a000,
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[VE_UART2] = 0x1000b000,
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[VE_UART3] = 0x1000c000,
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[VE_WDT] = 0x1000f000,
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[VE_TIMER01] = 0x10011000,
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[VE_TIMER23] = 0x10012000,
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[VE_SERIALDVI] = 0x10016000,
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[VE_RTC] = 0x10017000,
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[VE_COMPACTFLASH] = 0x1001a000,
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[VE_CLCD] = 0x1001f000,
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/* CS0: 0x40000000 .. 0x44000000 */
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[VE_NORFLASH0] = 0x40000000,
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/* CS1: 0x44000000 .. 0x48000000 */
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[VE_NORFLASH1] = 0x44000000,
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/* CS2: 0x48000000 .. 0x4a000000 */
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[VE_SRAM] = 0x48000000,
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/* CS3: 0x4c000000 .. 0x50000000 */
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[VE_VIDEORAM] = 0x4c000000,
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[VE_ETHERNET] = 0x4e000000,
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[VE_USB] = 0x4f000000,
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};
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static hwaddr motherboard_aseries_map[] = {
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/* CS0: 0x08000000 .. 0x0c000000 */
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[VE_NORFLASH0] = 0x08000000,
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/* CS4: 0x0c000000 .. 0x10000000 */
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[VE_NORFLASH1] = 0x0c000000,
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/* CS5: 0x10000000 .. 0x14000000 */
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/* CS1: 0x14000000 .. 0x18000000 */
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[VE_SRAM] = 0x14000000,
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/* CS2: 0x18000000 .. 0x1c000000 */
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[VE_VIDEORAM] = 0x18000000,
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[VE_ETHERNET] = 0x1a000000,
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[VE_USB] = 0x1b000000,
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/* CS3: 0x1c000000 .. 0x20000000 */
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[VE_DAPROM] = 0x1c000000,
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[VE_SYSREGS] = 0x1c010000,
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[VE_SP810] = 0x1c020000,
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[VE_SERIALPCI] = 0x1c030000,
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[VE_PL041] = 0x1c040000,
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[VE_MMCI] = 0x1c050000,
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[VE_KMI0] = 0x1c060000,
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[VE_KMI1] = 0x1c070000,
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[VE_UART0] = 0x1c090000,
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[VE_UART1] = 0x1c0a0000,
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[VE_UART2] = 0x1c0b0000,
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[VE_UART3] = 0x1c0c0000,
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[VE_WDT] = 0x1c0f0000,
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[VE_TIMER01] = 0x1c110000,
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[VE_TIMER23] = 0x1c120000,
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[VE_SERIALDVI] = 0x1c160000,
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[VE_RTC] = 0x1c170000,
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[VE_COMPACTFLASH] = 0x1c1a0000,
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[VE_CLCD] = 0x1c1f0000,
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};
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/* Structure defining the peculiarities of a specific daughterboard */
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typedef struct VEDBoardInfo VEDBoardInfo;
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typedef void DBoardInitFn(const VEDBoardInfo *daughterboard,
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ram_addr_t ram_size,
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const char *cpu_model,
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qemu_irq *pic, uint32_t *proc_id);
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struct VEDBoardInfo {
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const hwaddr *motherboard_map;
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hwaddr loader_start;
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const hwaddr gic_cpu_if_addr;
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DBoardInitFn *init;
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};
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static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
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ram_addr_t ram_size,
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const char *cpu_model,
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qemu_irq *pic, uint32_t *proc_id)
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{
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MemoryRegion *sysmem = get_system_memory();
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MemoryRegion *ram = g_new(MemoryRegion, 1);
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MemoryRegion *lowram = g_new(MemoryRegion, 1);
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DeviceState *dev;
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SysBusDevice *busdev;
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qemu_irq *irqp;
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int n;
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qemu_irq cpu_irq[4];
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ram_addr_t low_ram_size;
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if (!cpu_model) {
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cpu_model = "cortex-a9";
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}
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*proc_id = 0x0c000191;
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for (n = 0; n < smp_cpus; n++) {
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ARMCPU *cpu = cpu_arm_init(cpu_model);
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if (!cpu) {
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fprintf(stderr, "Unable to find CPU definition\n");
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exit(1);
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}
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irqp = arm_pic_init_cpu(cpu);
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cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
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}
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if (ram_size > 0x40000000) {
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/* 1GB is the maximum the address space permits */
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fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n");
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exit(1);
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}
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memory_region_init_ram(ram, "vexpress.highmem", ram_size);
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vmstate_register_ram_global(ram);
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low_ram_size = ram_size;
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if (low_ram_size > 0x4000000) {
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low_ram_size = 0x4000000;
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}
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/* RAM is from 0x60000000 upwards. The bottom 64MB of the
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* address space should in theory be remappable to various
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* things including ROM or RAM; we always map the RAM there.
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*/
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memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size);
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memory_region_add_subregion(sysmem, 0x0, lowram);
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memory_region_add_subregion(sysmem, 0x60000000, ram);
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/* 0x1e000000 A9MPCore (SCU) private memory region */
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dev = qdev_create(NULL, "a9mpcore_priv");
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qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
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qdev_init_nofail(dev);
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busdev = sysbus_from_qdev(dev);
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sysbus_mmio_map(busdev, 0, 0x1e000000);
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for (n = 0; n < smp_cpus; n++) {
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sysbus_connect_irq(busdev, n, cpu_irq[n]);
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}
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/* Interrupts [42:0] are from the motherboard;
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* [47:43] are reserved; [63:48] are daughterboard
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* peripherals. Note that some documentation numbers
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* external interrupts starting from 32 (because the
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* A9MP has internal interrupts 0..31).
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*/
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for (n = 0; n < 64; n++) {
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pic[n] = qdev_get_gpio_in(dev, n);
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}
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/* Daughterboard peripherals : 0x10020000 .. 0x20000000 */
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/* 0x10020000 PL111 CLCD (daughterboard) */
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sysbus_create_simple("pl111", 0x10020000, pic[44]);
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/* 0x10060000 AXI RAM */
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/* 0x100e0000 PL341 Dynamic Memory Controller */
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/* 0x100e1000 PL354 Static Memory Controller */
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/* 0x100e2000 System Configuration Controller */
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sysbus_create_simple("sp804", 0x100e4000, pic[48]);
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/* 0x100e5000 SP805 Watchdog module */
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/* 0x100e6000 BP147 TrustZone Protection Controller */
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/* 0x100e9000 PL301 'Fast' AXI matrix */
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/* 0x100ea000 PL301 'Slow' AXI matrix */
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/* 0x100ec000 TrustZone Address Space Controller */
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/* 0x10200000 CoreSight debug APB */
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/* 0x1e00a000 PL310 L2 Cache Controller */
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sysbus_create_varargs("l2x0", 0x1e00a000, NULL);
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}
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static const VEDBoardInfo a9_daughterboard = {
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.motherboard_map = motherboard_legacy_map,
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.loader_start = 0x60000000,
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.gic_cpu_if_addr = 0x1e000100,
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.init = a9_daughterboard_init,
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};
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static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
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ram_addr_t ram_size,
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const char *cpu_model,
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qemu_irq *pic, uint32_t *proc_id)
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{
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int n;
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MemoryRegion *sysmem = get_system_memory();
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MemoryRegion *ram = g_new(MemoryRegion, 1);
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MemoryRegion *sram = g_new(MemoryRegion, 1);
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qemu_irq cpu_irq[4];
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DeviceState *dev;
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SysBusDevice *busdev;
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if (!cpu_model) {
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cpu_model = "cortex-a15";
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}
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*proc_id = 0x14000217;
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for (n = 0; n < smp_cpus; n++) {
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ARMCPU *cpu;
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qemu_irq *irqp;
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cpu = cpu_arm_init(cpu_model);
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if (!cpu) {
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fprintf(stderr, "Unable to find CPU definition\n");
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exit(1);
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}
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irqp = arm_pic_init_cpu(cpu);
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cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
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}
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{
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/* We have to use a separate 64 bit variable here to avoid the gcc
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* "comparison is always false due to limited range of data type"
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* warning if we are on a host where ram_addr_t is 32 bits.
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*/
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uint64_t rsz = ram_size;
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if (rsz > (30ULL * 1024 * 1024 * 1024)) {
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fprintf(stderr, "vexpress-a15: cannot model more than 30GB RAM\n");
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exit(1);
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}
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}
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memory_region_init_ram(ram, "vexpress.highmem", ram_size);
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vmstate_register_ram_global(ram);
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/* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */
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memory_region_add_subregion(sysmem, 0x80000000, ram);
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/* 0x2c000000 A15MPCore private memory region (GIC) */
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dev = qdev_create(NULL, "a15mpcore_priv");
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qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
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qdev_init_nofail(dev);
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busdev = sysbus_from_qdev(dev);
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sysbus_mmio_map(busdev, 0, 0x2c000000);
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for (n = 0; n < smp_cpus; n++) {
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sysbus_connect_irq(busdev, n, cpu_irq[n]);
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}
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/* Interrupts [42:0] are from the motherboard;
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* [47:43] are reserved; [63:48] are daughterboard
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* peripherals. Note that some documentation numbers
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* external interrupts starting from 32 (because there
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* are internal interrupts 0..31).
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*/
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for (n = 0; n < 64; n++) {
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pic[n] = qdev_get_gpio_in(dev, n);
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}
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/* A15 daughterboard peripherals: */
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/* 0x20000000: CoreSight interfaces: not modelled */
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/* 0x2a000000: PL301 AXI interconnect: not modelled */
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/* 0x2a420000: SCC: not modelled */
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/* 0x2a430000: system counter: not modelled */
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/* 0x2b000000: HDLCD controller: not modelled */
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/* 0x2b060000: SP805 watchdog: not modelled */
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/* 0x2b0a0000: PL341 dynamic memory controller: not modelled */
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/* 0x2e000000: system SRAM */
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memory_region_init_ram(sram, "vexpress.a15sram", 0x10000);
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vmstate_register_ram_global(sram);
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memory_region_add_subregion(sysmem, 0x2e000000, sram);
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/* 0x7ffb0000: DMA330 DMA controller: not modelled */
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/* 0x7ffd0000: PL354 static memory controller: not modelled */
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}
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static const VEDBoardInfo a15_daughterboard = {
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.motherboard_map = motherboard_aseries_map,
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.loader_start = 0x80000000,
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.gic_cpu_if_addr = 0x2c002000,
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.init = a15_daughterboard_init,
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};
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static void vexpress_common_init(const VEDBoardInfo *daughterboard,
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QEMUMachineInitArgs *args)
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{
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DeviceState *dev, *sysctl, *pl041;
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qemu_irq pic[64];
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uint32_t proc_id;
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uint32_t sys_id;
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DriveInfo *dinfo;
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ram_addr_t vram_size, sram_size;
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MemoryRegion *sysmem = get_system_memory();
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MemoryRegion *vram = g_new(MemoryRegion, 1);
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MemoryRegion *sram = g_new(MemoryRegion, 1);
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const hwaddr *map = daughterboard->motherboard_map;
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daughterboard->init(daughterboard, args->ram_size, args->cpu_model,
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pic, &proc_id);
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/* Motherboard peripherals: the wiring is the same but the
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* addresses vary between the legacy and A-Series memory maps.
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*/
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sys_id = 0x1190f500;
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sysctl = qdev_create(NULL, "realview_sysctl");
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qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
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qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
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qdev_init_nofail(sysctl);
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sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, map[VE_SYSREGS]);
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/* VE_SP810: not modelled */
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/* VE_SERIALPCI: not modelled */
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pl041 = qdev_create(NULL, "pl041");
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qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
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qdev_init_nofail(pl041);
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sysbus_mmio_map(sysbus_from_qdev(pl041), 0, map[VE_PL041]);
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sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[11]);
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dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL);
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/* Wire up MMC card detect and read-only signals */
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qdev_connect_gpio_out(dev, 0,
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qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT));
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qdev_connect_gpio_out(dev, 1,
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qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN));
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sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]);
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sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]);
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sysbus_create_simple("pl011", map[VE_UART0], pic[5]);
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sysbus_create_simple("pl011", map[VE_UART1], pic[6]);
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sysbus_create_simple("pl011", map[VE_UART2], pic[7]);
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sysbus_create_simple("pl011", map[VE_UART3], pic[8]);
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sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]);
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sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);
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/* VE_SERIALDVI: not modelled */
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sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */
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/* VE_COMPACTFLASH: not modelled */
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sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);
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dinfo = drive_get_next(IF_PFLASH);
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if (!pflash_cfi01_register(map[VE_NORFLASH0], NULL, "vexpress.flash0",
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VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
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VEXPRESS_FLASH_SECT_SIZE,
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VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4,
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0x00, 0x89, 0x00, 0x18, 0)) {
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fprintf(stderr, "vexpress: error registering flash 0.\n");
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exit(1);
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}
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dinfo = drive_get_next(IF_PFLASH);
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if (!pflash_cfi01_register(map[VE_NORFLASH1], NULL, "vexpress.flash1",
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VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
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VEXPRESS_FLASH_SECT_SIZE,
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VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4,
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0x00, 0x89, 0x00, 0x18, 0)) {
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fprintf(stderr, "vexpress: error registering flash 1.\n");
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exit(1);
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}
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sram_size = 0x2000000;
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memory_region_init_ram(sram, "vexpress.sram", sram_size);
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vmstate_register_ram_global(sram);
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memory_region_add_subregion(sysmem, map[VE_SRAM], sram);
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vram_size = 0x800000;
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memory_region_init_ram(vram, "vexpress.vram", vram_size);
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vmstate_register_ram_global(vram);
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memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram);
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/* 0x4e000000 LAN9118 Ethernet */
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if (nd_table[0].used) {
|
|
lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]);
|
|
}
|
|
|
|
/* VE_USB: not modelled */
|
|
|
|
/* VE_DAPROM: not modelled */
|
|
|
|
vexpress_binfo.ram_size = args->ram_size;
|
|
vexpress_binfo.kernel_filename = args->kernel_filename;
|
|
vexpress_binfo.kernel_cmdline = args->kernel_cmdline;
|
|
vexpress_binfo.initrd_filename = args->initrd_filename;
|
|
vexpress_binfo.nb_cpus = smp_cpus;
|
|
vexpress_binfo.board_id = VEXPRESS_BOARD_ID;
|
|
vexpress_binfo.loader_start = daughterboard->loader_start;
|
|
vexpress_binfo.smp_loader_start = map[VE_SRAM];
|
|
vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
|
|
vexpress_binfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
|
|
arm_load_kernel(arm_env_get_cpu(first_cpu), &vexpress_binfo);
|
|
}
|
|
|
|
static void vexpress_a9_init(QEMUMachineInitArgs *args)
|
|
{
|
|
vexpress_common_init(&a9_daughterboard, args);
|
|
}
|
|
|
|
static void vexpress_a15_init(QEMUMachineInitArgs *args)
|
|
{
|
|
vexpress_common_init(&a15_daughterboard, args);
|
|
}
|
|
|
|
static QEMUMachine vexpress_a9_machine = {
|
|
.name = "vexpress-a9",
|
|
.desc = "ARM Versatile Express for Cortex-A9",
|
|
.init = vexpress_a9_init,
|
|
.block_default_type = IF_SCSI,
|
|
.max_cpus = 4,
|
|
};
|
|
|
|
static QEMUMachine vexpress_a15_machine = {
|
|
.name = "vexpress-a15",
|
|
.desc = "ARM Versatile Express for Cortex-A15",
|
|
.init = vexpress_a15_init,
|
|
.block_default_type = IF_SCSI,
|
|
.max_cpus = 4,
|
|
};
|
|
|
|
static void vexpress_machine_init(void)
|
|
{
|
|
qemu_register_machine(&vexpress_a9_machine);
|
|
qemu_register_machine(&vexpress_a15_machine);
|
|
}
|
|
|
|
machine_init(vexpress_machine_init);
|