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FRET-qemu/hw/arm/aspeed_ast2600.c
Andrew Jeffery 058d095532 ast2600: Configure CNTFRQ at 1125MHz 
This matches the configuration set by u-boot on the AST2600.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 080ca1267a09381c43cf3c50d434fb6c186f2b6e.1576215453.git-series.andrew@aj.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00

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/*
* ASPEED SoC 2600 family
*
* Copyright (c) 2016-2019, IBM Corporation.
*
* 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 "cpu.h"
#include "exec/address-spaces.h"
#include "hw/misc/unimp.h"
#include "hw/arm/aspeed_soc.h"
#include "hw/char/serial.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "qemu/error-report.h"
#include "hw/i2c/aspeed_i2c.h"
#include "net/net.h"
#include "sysemu/sysemu.h"
#define ASPEED_SOC_IOMEM_SIZE 0x00200000
static const hwaddr aspeed_soc_ast2600_memmap[] = {
[ASPEED_SRAM] = 0x10000000,
/* 0x16000000 0x17FFFFFF : AHB BUS do LPC Bus bridge */
[ASPEED_IOMEM] = 0x1E600000,
[ASPEED_PWM] = 0x1E610000,
[ASPEED_FMC] = 0x1E620000,
[ASPEED_SPI1] = 0x1E630000,
[ASPEED_SPI2] = 0x1E641000,
[ASPEED_MII1] = 0x1E650000,
[ASPEED_MII2] = 0x1E650008,
[ASPEED_MII3] = 0x1E650010,
[ASPEED_MII4] = 0x1E650018,
[ASPEED_ETH1] = 0x1E660000,
[ASPEED_ETH3] = 0x1E670000,
[ASPEED_ETH2] = 0x1E680000,
[ASPEED_ETH4] = 0x1E690000,
[ASPEED_VIC] = 0x1E6C0000,
[ASPEED_SDMC] = 0x1E6E0000,
[ASPEED_SCU] = 0x1E6E2000,
[ASPEED_XDMA] = 0x1E6E7000,
[ASPEED_ADC] = 0x1E6E9000,
[ASPEED_VIDEO] = 0x1E700000,
[ASPEED_SDHCI] = 0x1E740000,
[ASPEED_GPIO] = 0x1E780000,
[ASPEED_GPIO_1_8V] = 0x1E780800,
[ASPEED_RTC] = 0x1E781000,
[ASPEED_TIMER1] = 0x1E782000,
[ASPEED_WDT] = 0x1E785000,
[ASPEED_LPC] = 0x1E789000,
[ASPEED_IBT] = 0x1E789140,
[ASPEED_I2C] = 0x1E78A000,
[ASPEED_UART1] = 0x1E783000,
[ASPEED_UART5] = 0x1E784000,
[ASPEED_VUART] = 0x1E787000,
[ASPEED_SDRAM] = 0x80000000,
};
#define ASPEED_A7MPCORE_ADDR 0x40460000
#define ASPEED_SOC_AST2600_MAX_IRQ 128
static const int aspeed_soc_ast2600_irqmap[] = {
[ASPEED_UART1] = 47,
[ASPEED_UART2] = 48,
[ASPEED_UART3] = 49,
[ASPEED_UART4] = 50,
[ASPEED_UART5] = 8,
[ASPEED_VUART] = 8,
[ASPEED_FMC] = 39,
[ASPEED_SDMC] = 0,
[ASPEED_SCU] = 12,
[ASPEED_ADC] = 78,
[ASPEED_XDMA] = 6,
[ASPEED_SDHCI] = 43,
[ASPEED_GPIO] = 40,
[ASPEED_GPIO_1_8V] = 11,
[ASPEED_RTC] = 13,
[ASPEED_TIMER1] = 16,
[ASPEED_TIMER2] = 17,
[ASPEED_TIMER3] = 18,
[ASPEED_TIMER4] = 19,
[ASPEED_TIMER5] = 20,
[ASPEED_TIMER6] = 21,
[ASPEED_TIMER7] = 22,
[ASPEED_TIMER8] = 23,
[ASPEED_WDT] = 24,
[ASPEED_PWM] = 44,
[ASPEED_LPC] = 35,
[ASPEED_IBT] = 35, /* LPC */
[ASPEED_I2C] = 110, /* 110 -> 125 */
[ASPEED_ETH1] = 2,
[ASPEED_ETH2] = 3,
[ASPEED_ETH3] = 32,
[ASPEED_ETH4] = 33,
};
static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl)
{
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
return qdev_get_gpio_in(DEVICE(&s->a7mpcore), sc->irqmap[ctrl]);
}
static void aspeed_soc_ast2600_init(Object *obj)
{
AspeedSoCState *s = ASPEED_SOC(obj);
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
int i;
char socname[8];
char typename[64];
if (sscanf(sc->name, "%7s", socname) != 1) {
g_assert_not_reached();
}
for (i = 0; i < sc->num_cpus; i++) {
object_initialize_child(obj, "cpu[*]", OBJECT(&s->cpu[i]),
sizeof(s->cpu[i]), sc->cpu_type,
&error_abort, NULL);
}
snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname);
sysbus_init_child_obj(obj, "scu", OBJECT(&s->scu), sizeof(s->scu),
typename);
qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
sc->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_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
"hw-prot-key", &error_abort);
sysbus_init_child_obj(obj, "a7mpcore", &s->a7mpcore,
sizeof(s->a7mpcore), TYPE_A15MPCORE_PRIV);
sysbus_init_child_obj(obj, "rtc", OBJECT(&s->rtc), sizeof(s->rtc),
TYPE_ASPEED_RTC);
snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
sysbus_init_child_obj(obj, "timerctrl", OBJECT(&s->timerctrl),
sizeof(s->timerctrl), typename);
snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
sysbus_init_child_obj(obj, "i2c", OBJECT(&s->i2c), sizeof(s->i2c),
typename);
snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc),
typename);
object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs",
&error_abort);
for (i = 0; i < sc->spis_num; i++) {
snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
sysbus_init_child_obj(obj, "spi[*]", OBJECT(&s->spi[i]),
sizeof(s->spi[i]), typename);
}
snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc),
typename);
object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
"ram-size", &error_abort);
object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
"max-ram-size", &error_abort);
for (i = 0; i < sc->wdts_num; i++) {
snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
sysbus_init_child_obj(obj, "wdt[*]", OBJECT(&s->wdt[i]),
sizeof(s->wdt[i]), typename);
}
for (i = 0; i < sc->macs_num; i++) {
sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]),
sizeof(s->ftgmac100[i]), TYPE_FTGMAC100);
sysbus_init_child_obj(obj, "mii[*]", &s->mii[i], sizeof(s->mii[i]),
TYPE_ASPEED_MII);
}
sysbus_init_child_obj(obj, "xdma", OBJECT(&s->xdma), sizeof(s->xdma),
TYPE_ASPEED_XDMA);
snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
sysbus_init_child_obj(obj, "gpio", OBJECT(&s->gpio), sizeof(s->gpio),
typename);
snprintf(typename, sizeof(typename), "aspeed.gpio-%s-1_8v", socname);
sysbus_init_child_obj(obj, "gpio_1_8v", OBJECT(&s->gpio_1_8v),
sizeof(s->gpio_1_8v), typename);
sysbus_init_child_obj(obj, "sdc", OBJECT(&s->sdhci), sizeof(s->sdhci),
TYPE_ASPEED_SDHCI);
/* Init sd card slot class here so that they're under the correct parent */
for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) {
sysbus_init_child_obj(obj, "sdhci[*]", OBJECT(&s->sdhci.slots[i]),
sizeof(s->sdhci.slots[i]), TYPE_SYSBUS_SDHCI);
}
}
/*
* ASPEED ast2600 has 0xf as cluster ID
*
* http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0388e/CIHEBGFG.html
*/
static uint64_t aspeed_calc_affinity(int cpu)
{
return (0xf << ARM_AFF1_SHIFT) | cpu;
}
static void aspeed_soc_ast2600_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;
qemu_irq irq;
/* IO space */
create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_IOMEM],
ASPEED_SOC_IOMEM_SIZE);
/* Video engine stub */
create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_VIDEO],
0x1000);
if (s->num_cpus > sc->num_cpus) {
warn_report("%s: invalid number of CPUs %d, using default %d",
sc->name, s->num_cpus, sc->num_cpus);
s->num_cpus = sc->num_cpus;
}
/* CPU */
for (i = 0; i < s->num_cpus; i++) {
object_property_set_int(OBJECT(&s->cpu[i]), QEMU_PSCI_CONDUIT_SMC,
"psci-conduit", &error_abort);
if (s->num_cpus > 1) {
object_property_set_int(OBJECT(&s->cpu[i]),
ASPEED_A7MPCORE_ADDR,
"reset-cbar", &error_abort);
}
object_property_set_int(OBJECT(&s->cpu[i]), aspeed_calc_affinity(i),
"mp-affinity", &error_abort);
object_property_set_int(OBJECT(&s->cpu[i]), 1125000000, "cntfrq",
&error_abort);
/*
* TODO: the secondary CPUs are started and a boot helper
* is needed when using -kernel
*/
object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
}
/* A7MPCORE */
object_property_set_int(OBJECT(&s->a7mpcore), s->num_cpus, "num-cpu",
&error_abort);
object_property_set_int(OBJECT(&s->a7mpcore),
ASPEED_SOC_AST2600_MAX_IRQ + GIC_INTERNAL,
"num-irq", &error_abort);
object_property_set_bool(OBJECT(&s->a7mpcore), true, "realized",
&error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->a7mpcore), 0, ASPEED_A7MPCORE_ADDR);
for (i = 0; i < s->num_cpus; i++) {
SysBusDevice *sbd = SYS_BUS_DEVICE(&s->a7mpcore);
DeviceState *d = DEVICE(qemu_get_cpu(i));
irq = qdev_get_gpio_in(d, ARM_CPU_IRQ);
sysbus_connect_irq(sbd, i, irq);
irq = qdev_get_gpio_in(d, ARM_CPU_FIQ);
sysbus_connect_irq(sbd, i + s->num_cpus, irq);
irq = qdev_get_gpio_in(d, ARM_CPU_VIRQ);
sysbus_connect_irq(sbd, i + 2 * s->num_cpus, irq);
irq = qdev_get_gpio_in(d, ARM_CPU_VFIQ);
sysbus_connect_irq(sbd, i + 3 * s->num_cpus, irq);
}
/* SRAM */
memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram",
sc->sram_size, &err);
if (err) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(get_system_memory(),
sc->memmap[ASPEED_SRAM], &s->sram);
/* 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, sc->memmap[ASPEED_SCU]);
/* RTC */
object_property_set_bool(OBJECT(&s->rtc), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_RTC]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
aspeed_soc_get_irq(s, ASPEED_RTC));
/* Timer */
object_property_set_link(OBJECT(&s->timerctrl),
OBJECT(&s->scu), "scu", &error_abort);
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,
sc->memmap[ASPEED_TIMER1]);
for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_TIMER1 + i);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
}
/* UART - attach an 8250 to the IO space as our UART5 */
if (serial_hd(0)) {
qemu_irq uart5 = aspeed_soc_get_irq(s, ASPEED_UART5);
serial_mm_init(get_system_memory(), sc->memmap[ASPEED_UART5], 2,
uart5, 38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
}
/* I2C */
object_property_set_link(OBJECT(&s->i2c), OBJECT(s->dram_mr), "dram", &err);
if (err) {
error_propagate(errp, err);
return;
}
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, sc->memmap[ASPEED_I2C]);
for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->a7mpcore),
sc->irqmap[ASPEED_I2C] + i);
/*
* The AST2600 SoC has one IRQ per I2C bus. Skip the common
* IRQ (AST2400 and AST2500) and connect all bussses.
*/
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), i + 1, irq);
}
/* FMC, The number of CS is set at the board level */
object_property_set_link(OBJECT(&s->fmc), OBJECT(s->dram_mr), "dram", &err);
if (err) {
error_propagate(errp, err);
return;
}
object_property_set_int(OBJECT(&s->fmc), sc->memmap[ASPEED_SDRAM],
"sdram-base", &err);
if (err) {
error_propagate(errp, err);
return;
}
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, sc->memmap[ASPEED_FMC]);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
s->fmc.ctrl->flash_window_base);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
aspeed_soc_get_irq(s, ASPEED_FMC));
/* SPI */
for (i = 0; i < sc->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->memmap[ASPEED_SPI1 + 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, sc->memmap[ASPEED_SDMC]);
/* Watch dog */
for (i = 0; i < sc->wdts_num; i++) {
AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
object_property_set_link(OBJECT(&s->wdt[i]),
OBJECT(&s->scu), "scu", &error_abort);
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,
sc->memmap[ASPEED_WDT] + i * awc->offset);
}
/* Net */
for (i = 0; i < nb_nics && i < sc->macs_num; i++) {
qdev_set_nic_properties(DEVICE(&s->ftgmac100[i]), &nd_table[i]);
object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "aspeed",
&err);
object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "realized",
&local_err);
error_propagate(&err, local_err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
sc->memmap[ASPEED_ETH1 + i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
aspeed_soc_get_irq(s, ASPEED_ETH1 + i));
object_property_set_link(OBJECT(&s->mii[i]), OBJECT(&s->ftgmac100[i]),
"nic", &error_abort);
object_property_set_bool(OBJECT(&s->mii[i]), true, "realized",
&err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->mii[i]), 0,
sc->memmap[ASPEED_MII1 + i]);
}
/* XDMA */
object_property_set_bool(OBJECT(&s->xdma), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0,
sc->memmap[ASPEED_XDMA]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0,
aspeed_soc_get_irq(s, ASPEED_XDMA));
/* GPIO */
object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_GPIO]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
aspeed_soc_get_irq(s, ASPEED_GPIO));
object_property_set_bool(OBJECT(&s->gpio_1_8v), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
sc->memmap[ASPEED_GPIO_1_8V]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
aspeed_soc_get_irq(s, ASPEED_GPIO_1_8V));
/* SDHCI */
object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,
sc->memmap[ASPEED_SDHCI]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
aspeed_soc_get_irq(s, ASPEED_SDHCI));
}
static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
dc->realize = aspeed_soc_ast2600_realize;
sc->name = "ast2600-a0";
sc->cpu_type = ARM_CPU_TYPE_NAME("cortex-a7");
sc->silicon_rev = AST2600_A0_SILICON_REV;
sc->sram_size = 0x10000;
sc->spis_num = 2;
sc->wdts_num = 4;
sc->macs_num = 4;
sc->irqmap = aspeed_soc_ast2600_irqmap;
sc->memmap = aspeed_soc_ast2600_memmap;
sc->num_cpus = 2;
}
static const TypeInfo aspeed_soc_ast2600_type_info = {
.name = "ast2600-a0",
.parent = TYPE_ASPEED_SOC,
.instance_size = sizeof(AspeedSoCState),
.instance_init = aspeed_soc_ast2600_init,
.class_init = aspeed_soc_ast2600_class_init,
.class_size = sizeof(AspeedSoCClass),
};
static void aspeed_soc_register_types(void)
{
type_register_static(&aspeed_soc_ast2600_type_info);
};
type_init(aspeed_soc_register_types)
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