mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
a309b290aa
qemu/hw/arm/aspeed_soc.c
Joel Stanley f986ee1d43 aspeed: Register all watchdogs 
The ast2400 contains two and the ast2500 contains three watchdogs.
Add this information to the AspeedSoCInfo and realise the correct number
of watchdogs for that each SoC type.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-07-11 11:21:26 +01:00

369 lines
13 KiB
C
Raw Blame History

/*
* ASPEED SoC family
*
* Andrew Jeffery <andrew@aj.id.au>
* Jeremy Kerr <jk@ozlabs.org>
*
* Copyright 2016 IBM Corp.
*
* This code is licensed under the GPL version 2 or later. See
* the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "exec/address-spaces.h"
#include "hw/arm/aspeed_soc.h"
#include "hw/char/serial.h"
#include "qemu/log.h"
#include "hw/i2c/aspeed_i2c.h"
#include "net/net.h"
#define ASPEED_SOC_UART_5_BASE 0x00184000
#define ASPEED_SOC_IOMEM_SIZE 0x00200000
#define ASPEED_SOC_IOMEM_BASE 0x1E600000
#define ASPEED_SOC_FMC_BASE 0x1E620000
#define ASPEED_SOC_SPI_BASE 0x1E630000
#define ASPEED_SOC_SPI2_BASE 0x1E631000
#define ASPEED_SOC_VIC_BASE 0x1E6C0000
#define ASPEED_SOC_SDMC_BASE 0x1E6E0000
#define ASPEED_SOC_SCU_BASE 0x1E6E2000
#define ASPEED_SOC_SRAM_BASE 0x1E720000
#define ASPEED_SOC_TIMER_BASE 0x1E782000
#define ASPEED_SOC_WDT_BASE 0x1E785000
#define ASPEED_SOC_I2C_BASE 0x1E78A000
#define ASPEED_SOC_ETH1_BASE 0x1E660000
#define ASPEED_SOC_ETH2_BASE 0x1E680000
static const int uart_irqs[] = { 9, 32, 33, 34, 10 };
static const int timer_irqs[] = { 16, 17, 18, 35, 36, 37, 38, 39, };
#define AST2400_SDRAM_BASE 0x40000000
#define AST2500_SDRAM_BASE 0x80000000
static const hwaddr aspeed_soc_ast2400_spi_bases[] = { ASPEED_SOC_SPI_BASE };
static const char *aspeed_soc_ast2400_typenames[] = { "aspeed.smc.spi" };
static const hwaddr aspeed_soc_ast2500_spi_bases[] = { ASPEED_SOC_SPI_BASE,
ASPEED_SOC_SPI2_BASE};
static const char *aspeed_soc_ast2500_typenames[] = {
"aspeed.smc.ast2500-spi1", "aspeed.smc.ast2500-spi2" };
static const AspeedSoCInfo aspeed_socs[] = {
{
.name = "ast2400-a0",
.cpu_model = "arm926",
.silicon_rev = AST2400_A0_SILICON_REV,
.sdram_base = AST2400_SDRAM_BASE,
.sram_size = 0x8000,
.spis_num = 1,
.spi_bases = aspeed_soc_ast2400_spi_bases,
.fmc_typename = "aspeed.smc.fmc",
.spi_typename = aspeed_soc_ast2400_typenames,
.wdts_num = 2,
}, {
.name = "ast2400-a1",
.cpu_model = "arm926",
.silicon_rev = AST2400_A1_SILICON_REV,
.sdram_base = AST2400_SDRAM_BASE,
.sram_size = 0x8000,
.spis_num = 1,
.spi_bases = aspeed_soc_ast2400_spi_bases,
.fmc_typename = "aspeed.smc.fmc",
.spi_typename = aspeed_soc_ast2400_typenames,
.wdts_num = 2,
}, {
.name = "ast2400",
.cpu_model = "arm926",
.silicon_rev = AST2400_A0_SILICON_REV,
.sdram_base = AST2400_SDRAM_BASE,
.sram_size = 0x8000,
.spis_num = 1,
.spi_bases = aspeed_soc_ast2400_spi_bases,
.fmc_typename = "aspeed.smc.fmc",
.spi_typename = aspeed_soc_ast2400_typenames,
.wdts_num = 2,
}, {
.name = "ast2500-a1",
.cpu_model = "arm1176",
.silicon_rev = AST2500_A1_SILICON_REV,
.sdram_base = AST2500_SDRAM_BASE,
.sram_size = 0x9000,
.spis_num = 2,
.spi_bases = aspeed_soc_ast2500_spi_bases,
.fmc_typename = "aspeed.smc.ast2500-fmc",
.spi_typename = aspeed_soc_ast2500_typenames,
.wdts_num = 3,
},
};
/*
* IO handlers: simply catch any reads/writes to IO addresses that aren't
* handled by a device mapping.
*/
static uint64_t aspeed_soc_io_read(void *p, hwaddr offset, unsigned size)
{
qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " [%u]\n",
__func__, offset, size);
return 0;
}
static void aspeed_soc_io_write(void *opaque, hwaddr offset, uint64_t value,
unsigned size)
{
qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " <- 0x%" PRIx64 " [%u]\n",
__func__, offset, value, size);
}
static const MemoryRegionOps aspeed_soc_io_ops = {
.read = aspeed_soc_io_read,
.write = aspeed_soc_io_write,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void aspeed_soc_init(Object *obj)
{
AspeedSoCState *s = ASPEED_SOC(obj);
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
char *cpu_typename;
int i;
cpu_typename = g_strdup_printf("%s-" TYPE_ARM_CPU, sc->info->cpu_model);
object_initialize(&s->cpu, sizeof(s->cpu), cpu_typename);
object_property_add_child(obj, "cpu", OBJECT(&s->cpu), NULL);
g_free(cpu_typename);
object_initialize(&s->vic, sizeof(s->vic), TYPE_ASPEED_VIC);
object_property_add_child(obj, "vic", OBJECT(&s->vic), NULL);
qdev_set_parent_bus(DEVICE(&s->vic), sysbus_get_default());
object_initialize(&s->timerctrl, sizeof(s->timerctrl), TYPE_ASPEED_TIMER);
object_property_add_child(obj, "timerctrl", OBJECT(&s->timerctrl), NULL);
qdev_set_parent_bus(DEVICE(&s->timerctrl), sysbus_get_default());
object_initialize(&s->i2c, sizeof(s->i2c), TYPE_ASPEED_I2C);
object_property_add_child(obj, "i2c", OBJECT(&s->i2c), NULL);
qdev_set_parent_bus(DEVICE(&s->i2c), sysbus_get_default());
object_initialize(&s->scu, sizeof(s->scu), TYPE_ASPEED_SCU);
object_property_add_child(obj, "scu", OBJECT(&s->scu), NULL);
qdev_set_parent_bus(DEVICE(&s->scu), sysbus_get_default());
qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
sc->info->silicon_rev);
object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
"hw-strap1", &error_abort);
object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
"hw-strap2", &error_abort);
object_initialize(&s->fmc, sizeof(s->fmc), sc->info->fmc_typename);
object_property_add_child(obj, "fmc", OBJECT(&s->fmc), NULL);
qdev_set_parent_bus(DEVICE(&s->fmc), sysbus_get_default());
object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs",
&error_abort);
for (i = 0; i < sc->info->spis_num; i++) {
object_initialize(&s->spi[i], sizeof(s->spi[i]),
sc->info->spi_typename[i]);
object_property_add_child(obj, "spi[*]", OBJECT(&s->spi[i]), NULL);
qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
}
object_initialize(&s->sdmc, sizeof(s->sdmc), TYPE_ASPEED_SDMC);
object_property_add_child(obj, "sdmc", OBJECT(&s->sdmc), NULL);
qdev_set_parent_bus(DEVICE(&s->sdmc), sysbus_get_default());
qdev_prop_set_uint32(DEVICE(&s->sdmc), "silicon-rev",
sc->info->silicon_rev);
object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
"ram-size", &error_abort);
for (i = 0; i < sc->info->wdts_num; i++) {
object_initialize(&s->wdt[i], sizeof(s->wdt[i]), TYPE_ASPEED_WDT);
object_property_add_child(obj, "wdt[*]", OBJECT(&s->wdt[i]), NULL);
qdev_set_parent_bus(DEVICE(&s->wdt[i]), sysbus_get_default());
}
object_initialize(&s->ftgmac100, sizeof(s->ftgmac100), TYPE_FTGMAC100);
object_property_add_child(obj, "ftgmac100", OBJECT(&s->ftgmac100), NULL);
qdev_set_parent_bus(DEVICE(&s->ftgmac100), sysbus_get_default());
}
static void aspeed_soc_realize(DeviceState *dev, Error **errp)
{
int i;
AspeedSoCState *s = ASPEED_SOC(dev);
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
Error *err = NULL, *local_err = NULL;
/* IO space */
memory_region_init_io(&s->iomem, NULL, &aspeed_soc_io_ops, NULL,
"aspeed_soc.io", ASPEED_SOC_IOMEM_SIZE);
memory_region_add_subregion_overlap(get_system_memory(),
ASPEED_SOC_IOMEM_BASE, &s->iomem, -1);
/* CPU */
object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
/* SRAM */
memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram",
sc->info->sram_size, &err);
if (err) {
error_propagate(errp, err);
return;
}
vmstate_register_ram_global(&s->sram);
memory_region_add_subregion(get_system_memory(), ASPEED_SOC_SRAM_BASE,
&s->sram);
/* VIC */
object_property_set_bool(OBJECT(&s->vic), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->vic), 0, ASPEED_SOC_VIC_BASE);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 0,
qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 1,
qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
/* Timer */
object_property_set_bool(OBJECT(&s->timerctrl), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0, ASPEED_SOC_TIMER_BASE);
for (i = 0; i < ARRAY_SIZE(timer_irqs); i++) {
qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->vic), timer_irqs[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
}
/* SCU */
object_property_set_bool(OBJECT(&s->scu), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, ASPEED_SOC_SCU_BASE);
/* UART - attach an 8250 to the IO space as our UART5 */
if (serial_hds[0]) {
qemu_irq uart5 = qdev_get_gpio_in(DEVICE(&s->vic), uart_irqs[4]);
serial_mm_init(&s->iomem, ASPEED_SOC_UART_5_BASE, 2,
uart5, 38400, serial_hds[0], DEVICE_LITTLE_ENDIAN);
}
/* I2C */
object_property_set_bool(OBJECT(&s->i2c), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, ASPEED_SOC_I2C_BASE);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), 0,
qdev_get_gpio_in(DEVICE(&s->vic), 12));
/* FMC, The number of CS is set at the board level */
object_property_set_bool(OBJECT(&s->fmc), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, ASPEED_SOC_FMC_BASE);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
s->fmc.ctrl->flash_window_base);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
qdev_get_gpio_in(DEVICE(&s->vic), 19));
/* SPI */
for (i = 0; i < sc->info->spis_num; i++) {
object_property_set_int(OBJECT(&s->spi[i]), 1, "num-cs", &err);
object_property_set_bool(OBJECT(&s->spi[i]), true, "realized",
&local_err);
error_propagate(&err, local_err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, sc->info->spi_bases[i]);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
s->spi[i].ctrl->flash_window_base);
}
/* SDMC - SDRAM Memory Controller */
object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, ASPEED_SOC_SDMC_BASE);
/* Watch dog */
for (i = 0; i < sc->info->wdts_num; i++) {
object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
ASPEED_SOC_WDT_BASE + i * 0x20);
}
/* Net */
qdev_set_nic_properties(DEVICE(&s->ftgmac100), &nd_table[0]);
object_property_set_bool(OBJECT(&s->ftgmac100), true, "aspeed", &err);
object_property_set_bool(OBJECT(&s->ftgmac100), true, "realized",
&local_err);
error_propagate(&err, local_err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100), 0, ASPEED_SOC_ETH1_BASE);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100), 0,
qdev_get_gpio_in(DEVICE(&s->vic), 2));
}
static void aspeed_soc_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
sc->info = (AspeedSoCInfo *) data;
dc->realize = aspeed_soc_realize;
}
static const TypeInfo aspeed_soc_type_info = {
.name = TYPE_ASPEED_SOC,
.parent = TYPE_DEVICE,
.instance_init = aspeed_soc_init,
.instance_size = sizeof(AspeedSoCState),
.class_size = sizeof(AspeedSoCClass),
.abstract = true,
};
static void aspeed_soc_register_types(void)
{
int i;
type_register_static(&aspeed_soc_type_info);
for (i = 0; i < ARRAY_SIZE(aspeed_socs); ++i) {
TypeInfo ti = {
.name = aspeed_socs[i].name,
.parent = TYPE_ASPEED_SOC,
.class_init = aspeed_soc_class_init,
.class_data = (void *) &aspeed_socs[i],
};
type_register(&ti);
}
}
type_init(aspeed_soc_register_types)
Reference in New Issue View Git Blame Copy Permalink