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qemu-e2k/hw/arm/aspeed_ast2600.c
Peter Maydell 932a8d1f11 arm: Update infocenter.arm.com URLs 
Update infocenter.arm.com URLs for various pieces of Arm
documentation to the new developer.arm.com equivalents.  (There is a
redirection in place from the old URLs, but we might as well update
our comments in case the redirect ever disappears in future.)

This patch covers all the URLs which are not MPS2/SSE-200/IoTKit
related (those are dealt with in a different patch).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210205171456.19939-1-peter.maydell@linaro.org
2021-02-11 11:50:14 +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_DEV_SRAM] = 0x10000000,
/* 0x16000000 0x17FFFFFF : AHB BUS do LPC Bus bridge */
[ASPEED_DEV_IOMEM] = 0x1E600000,
[ASPEED_DEV_PWM] = 0x1E610000,
[ASPEED_DEV_FMC] = 0x1E620000,
[ASPEED_DEV_SPI1] = 0x1E630000,
[ASPEED_DEV_SPI2] = 0x1E641000,
[ASPEED_DEV_EHCI1] = 0x1E6A1000,
[ASPEED_DEV_EHCI2] = 0x1E6A3000,
[ASPEED_DEV_MII1] = 0x1E650000,
[ASPEED_DEV_MII2] = 0x1E650008,
[ASPEED_DEV_MII3] = 0x1E650010,
[ASPEED_DEV_MII4] = 0x1E650018,
[ASPEED_DEV_ETH1] = 0x1E660000,
[ASPEED_DEV_ETH3] = 0x1E670000,
[ASPEED_DEV_ETH2] = 0x1E680000,
[ASPEED_DEV_ETH4] = 0x1E690000,
[ASPEED_DEV_VIC] = 0x1E6C0000,
[ASPEED_DEV_SDMC] = 0x1E6E0000,
[ASPEED_DEV_SCU] = 0x1E6E2000,
[ASPEED_DEV_XDMA] = 0x1E6E7000,
[ASPEED_DEV_ADC] = 0x1E6E9000,
[ASPEED_DEV_VIDEO] = 0x1E700000,
[ASPEED_DEV_SDHCI] = 0x1E740000,
[ASPEED_DEV_EMMC] = 0x1E750000,
[ASPEED_DEV_GPIO] = 0x1E780000,
[ASPEED_DEV_GPIO_1_8V] = 0x1E780800,
[ASPEED_DEV_RTC] = 0x1E781000,
[ASPEED_DEV_TIMER1] = 0x1E782000,
[ASPEED_DEV_WDT] = 0x1E785000,
[ASPEED_DEV_LPC] = 0x1E789000,
[ASPEED_DEV_IBT] = 0x1E789140,
[ASPEED_DEV_I2C] = 0x1E78A000,
[ASPEED_DEV_UART1] = 0x1E783000,
[ASPEED_DEV_UART5] = 0x1E784000,
[ASPEED_DEV_VUART] = 0x1E787000,
[ASPEED_DEV_SDRAM] = 0x80000000,
};
#define ASPEED_A7MPCORE_ADDR 0x40460000
#define ASPEED_SOC_AST2600_MAX_IRQ 128
/* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
static const int aspeed_soc_ast2600_irqmap[] = {
[ASPEED_DEV_UART1] = 47,
[ASPEED_DEV_UART2] = 48,
[ASPEED_DEV_UART3] = 49,
[ASPEED_DEV_UART4] = 50,
[ASPEED_DEV_UART5] = 8,
[ASPEED_DEV_VUART] = 8,
[ASPEED_DEV_FMC] = 39,
[ASPEED_DEV_SDMC] = 0,
[ASPEED_DEV_SCU] = 12,
[ASPEED_DEV_ADC] = 78,
[ASPEED_DEV_XDMA] = 6,
[ASPEED_DEV_SDHCI] = 43,
[ASPEED_DEV_EHCI1] = 5,
[ASPEED_DEV_EHCI2] = 9,
[ASPEED_DEV_EMMC] = 15,
[ASPEED_DEV_GPIO] = 40,
[ASPEED_DEV_GPIO_1_8V] = 11,
[ASPEED_DEV_RTC] = 13,
[ASPEED_DEV_TIMER1] = 16,
[ASPEED_DEV_TIMER2] = 17,
[ASPEED_DEV_TIMER3] = 18,
[ASPEED_DEV_TIMER4] = 19,
[ASPEED_DEV_TIMER5] = 20,
[ASPEED_DEV_TIMER6] = 21,
[ASPEED_DEV_TIMER7] = 22,
[ASPEED_DEV_TIMER8] = 23,
[ASPEED_DEV_WDT] = 24,
[ASPEED_DEV_PWM] = 44,
[ASPEED_DEV_LPC] = 35,
[ASPEED_DEV_IBT] = 35, /* LPC */
[ASPEED_DEV_I2C] = 110, /* 110 -> 125 */
[ASPEED_DEV_ETH1] = 2,
[ASPEED_DEV_ETH2] = 3,
[ASPEED_DEV_ETH3] = 32,
[ASPEED_DEV_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[*]", &s->cpu[i], sc->cpu_type);
}
snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname);
object_initialize_child(obj, "scu", &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");
object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
"hw-strap2");
object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
"hw-prot-key");
object_initialize_child(obj, "a7mpcore", &s->a7mpcore,
TYPE_A15MPCORE_PRIV);
object_initialize_child(obj, "rtc", &s->rtc, TYPE_ASPEED_RTC);
snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
object_initialize_child(obj, "i2c", &s->i2c, typename);
snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
object_initialize_child(obj, "fmc", &s->fmc, typename);
object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs");
for (i = 0; i < sc->spis_num; i++) {
snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
}
for (i = 0; i < sc->ehcis_num; i++) {
object_initialize_child(obj, "ehci[*]", &s->ehci[i],
TYPE_PLATFORM_EHCI);
}
snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
object_initialize_child(obj, "sdmc", &s->sdmc, typename);
object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
"ram-size");
object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
"max-ram-size");
for (i = 0; i < sc->wdts_num; i++) {
snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
}
for (i = 0; i < sc->macs_num; i++) {
object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
TYPE_FTGMAC100);
object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
}
object_initialize_child(obj, "xdma", &s->xdma, TYPE_ASPEED_XDMA);
snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
object_initialize_child(obj, "gpio", &s->gpio, typename);
snprintf(typename, sizeof(typename), "aspeed.gpio-%s-1_8v", socname);
object_initialize_child(obj, "gpio_1_8v", &s->gpio_1_8v, typename);
object_initialize_child(obj, "sd-controller", &s->sdhci,
TYPE_ASPEED_SDHCI);
object_property_set_int(OBJECT(&s->sdhci), "num-slots", 2, &error_abort);
/* Init sd card slot class here so that they're under the correct parent */
for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) {
object_initialize_child(obj, "sd-controller.sdhci[*]",
&s->sdhci.slots[i], TYPE_SYSBUS_SDHCI);
}
object_initialize_child(obj, "emmc-controller", &s->emmc,
TYPE_ASPEED_SDHCI);
object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
TYPE_SYSBUS_SDHCI);
}
/*
* ASPEED ast2600 has 0xf as cluster ID
*
* https://developer.arm.com/documentation/ddi0388/e/the-system-control-coprocessors/summary-of-system-control-coprocessor-registers/multiprocessor-affinity-register
*/
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;
qemu_irq irq;
/* IO space */
create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_DEV_IOMEM],
ASPEED_SOC_IOMEM_SIZE);
/* Video engine stub */
create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_DEV_VIDEO],
0x1000);
/* CPU */
for (i = 0; i < sc->num_cpus; i++) {
object_property_set_int(OBJECT(&s->cpu[i]), "psci-conduit",
QEMU_PSCI_CONDUIT_SMC, &error_abort);
if (sc->num_cpus > 1) {
object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
ASPEED_A7MPCORE_ADDR, &error_abort);
}
object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
aspeed_calc_affinity(i), &error_abort);
object_property_set_int(OBJECT(&s->cpu[i]), "cntfrq", 1125000000,
&error_abort);
/*
* TODO: the secondary CPUs are started and a boot helper
* is needed when using -kernel
*/
if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
return;
}
}
/* A7MPCORE */
object_property_set_int(OBJECT(&s->a7mpcore), "num-cpu", sc->num_cpus,
&error_abort);
object_property_set_int(OBJECT(&s->a7mpcore), "num-irq",
ASPEED_SOC_AST2600_MAX_IRQ + GIC_INTERNAL,
&error_abort);
sysbus_realize(SYS_BUS_DEVICE(&s->a7mpcore), &error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->a7mpcore), 0, ASPEED_A7MPCORE_ADDR);
for (i = 0; i < sc->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 + sc->num_cpus, irq);
irq = qdev_get_gpio_in(d, ARM_CPU_VIRQ);
sysbus_connect_irq(sbd, i + 2 * sc->num_cpus, irq);
irq = qdev_get_gpio_in(d, ARM_CPU_VFIQ);
sysbus_connect_irq(sbd, i + 3 * sc->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_DEV_SRAM], &s->sram);
/* SCU */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
/* RTC */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->rtc), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_DEV_RTC]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_RTC));
/* Timer */
object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0,
sc->memmap[ASPEED_DEV_TIMER1]);
for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
}
/* UART - attach an 8250 to the IO space as our UART5 */
serial_mm_init(get_system_memory(), sc->memmap[ASPEED_DEV_UART5], 2,
aspeed_soc_get_irq(s, ASPEED_DEV_UART5),
38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
/* I2C */
object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_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_DEV_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), "dram", OBJECT(s->dram_mr),
&error_abort);
if (!object_property_set_int(OBJECT(&s->fmc), "sdram-base",
sc->memmap[ASPEED_DEV_SDRAM], errp)) {
return;
}
if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_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_DEV_FMC));
/* SPI */
for (i = 0; i < sc->spis_num; i++) {
object_property_set_link(OBJECT(&s->spi[i]), "dram",
OBJECT(s->dram_mr), &error_abort);
object_property_set_int(OBJECT(&s->spi[i]), "num-cs", 1, &error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0,
sc->memmap[ASPEED_DEV_SPI1 + i]);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
s->spi[i].ctrl->flash_window_base);
}
/* EHCI */
for (i = 0; i < sc->ehcis_num; i++) {
if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
sc->memmap[ASPEED_DEV_EHCI1 + i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_EHCI1 + i));
}
/* SDMC - SDRAM Memory Controller */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->memmap[ASPEED_DEV_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]), "scu", OBJECT(&s->scu),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
sc->memmap[ASPEED_DEV_WDT] + i * awc->offset);
}
/* Net */
for (i = 0; i < sc->macs_num; i++) {
object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
sc->memmap[ASPEED_DEV_ETH1 + i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
object_property_set_link(OBJECT(&s->mii[i]), "nic",
OBJECT(&s->ftgmac100[i]), &error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->mii[i]), 0,
sc->memmap[ASPEED_DEV_MII1 + i]);
}
/* XDMA */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->xdma), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0,
sc->memmap[ASPEED_DEV_XDMA]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_XDMA));
/* GPIO */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_DEV_GPIO]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio_1_8v), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
sc->memmap[ASPEED_DEV_GPIO_1_8V]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_GPIO_1_8V));
/* SDHCI */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,
sc->memmap[ASPEED_DEV_SDHCI]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
/* eMMC */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->emmc), 0, sc->memmap[ASPEED_DEV_EMMC]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
}
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-a1";
sc->cpu_type = ARM_CPU_TYPE_NAME("cortex-a7");
sc->silicon_rev = AST2600_A1_SILICON_REV;
sc->sram_size = 0x16400;
sc->spis_num = 2;
sc->ehcis_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-a1",
.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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