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qemu/hw/arm/aspeed_ast10x0.c
Philippe Mathieu-Daudé 6ba3dc2516 hw/arm/aspeed_ast10x0: Map the secure SRAM 
Some SRAM appears to be used by the Secure Boot unit and
crypto accelerators. Name it 'secure sram'.

Note, the SRAM base address was already present but unused
(the 'SBC' index is used for the MMIO peripheral).

Interestingly using CFLAGS=-Winitializer-overrides reports:

  ../hw/arm/aspeed_ast10x0.c:32:30: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
    [ASPEED_DEV_SBC]       = 0x7E6F2000,
                             ^~~~~~~~~~
  ../hw/arm/aspeed_ast10x0.c:24:30: note: previous initialization is here
    [ASPEED_DEV_SBC]       = 0x79000000,
                             ^~~~~~~~~~
This fixes with Zephyr:

  uart:~$ rsa test
  rsa test vector[0]:
  [00:00:26.156,000] <err> os: ***** BUS FAULT *****
  [00:00:26.157,000] <err> os:   Precise data bus error
  [00:00:26.157,000] <err> os:   BFAR Address: 0x79000000
  [00:00:26.158,000] <err> os: r0/a1:  0x79000000  r1/a2:  0x00000000  r2/a3:  0x00001800
  [00:00:26.158,000] <err> os: r3/a4:  0x79001800 r12/ip:  0x00000800 r14/lr:  0x0001098d
  [00:00:26.158,000] <err> os:  xpsr:  0x81000000
  [00:00:26.158,000] <err> os: Faulting instruction address (r15/pc): 0x0001e1bc
  [00:00:26.158,000] <err> os: >>> ZEPHYR FATAL ERROR 0: CPU exception on CPU 0
  [00:00:26.158,000] <err> os: Current thread: 0x38248 (shell_uart)
  [00:00:26.165,000] <err> os: Halting system

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Delevoryas <peter@pjd.dev>
[ clg: Fixed size of Secure Boot Controller Memory ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-02-07 09:02:05 +01:00

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/*
* ASPEED Ast10x0 SoC
*
* Copyright (C) 2022 ASPEED Technology Inc.
*
* This code is licensed under the GPL version 2 or later. See
* the COPYING file in the top-level directory.
*
* Implementation extracted from the AST2600 and adapted for Ast10x0.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "exec/address-spaces.h"
#include "sysemu/sysemu.h"
#include "hw/qdev-clock.h"
#include "hw/misc/unimp.h"
#include "hw/arm/aspeed_soc.h"
#define ASPEED_SOC_IOMEM_SIZE 0x00200000
static const hwaddr aspeed_soc_ast1030_memmap[] = {
[ASPEED_DEV_SRAM] = 0x00000000,
[ASPEED_DEV_SECSRAM] = 0x79000000,
[ASPEED_DEV_IOMEM] = 0x7E600000,
[ASPEED_DEV_PWM] = 0x7E610000,
[ASPEED_DEV_FMC] = 0x7E620000,
[ASPEED_DEV_SPI1] = 0x7E630000,
[ASPEED_DEV_SPI2] = 0x7E640000,
[ASPEED_DEV_UDC] = 0x7E6A2000,
[ASPEED_DEV_SCU] = 0x7E6E2000,
[ASPEED_DEV_JTAG0] = 0x7E6E4000,
[ASPEED_DEV_JTAG1] = 0x7E6E4100,
[ASPEED_DEV_ADC] = 0x7E6E9000,
[ASPEED_DEV_ESPI] = 0x7E6EE000,
[ASPEED_DEV_SBC] = 0x7E6F2000,
[ASPEED_DEV_GPIO] = 0x7E780000,
[ASPEED_DEV_SGPIOM] = 0x7E780500,
[ASPEED_DEV_TIMER1] = 0x7E782000,
[ASPEED_DEV_UART1] = 0x7E783000,
[ASPEED_DEV_UART2] = 0x7E78D000,
[ASPEED_DEV_UART3] = 0x7E78E000,
[ASPEED_DEV_UART4] = 0x7E78F000,
[ASPEED_DEV_UART5] = 0x7E784000,
[ASPEED_DEV_UART6] = 0x7E790000,
[ASPEED_DEV_UART7] = 0x7E790100,
[ASPEED_DEV_UART8] = 0x7E790200,
[ASPEED_DEV_UART9] = 0x7E790300,
[ASPEED_DEV_UART10] = 0x7E790400,
[ASPEED_DEV_UART11] = 0x7E790500,
[ASPEED_DEV_UART12] = 0x7E790600,
[ASPEED_DEV_UART13] = 0x7E790700,
[ASPEED_DEV_WDT] = 0x7E785000,
[ASPEED_DEV_LPC] = 0x7E789000,
[ASPEED_DEV_PECI] = 0x7E78B000,
[ASPEED_DEV_I3C] = 0x7E7A0000,
[ASPEED_DEV_I2C] = 0x7E7B0000,
};
static const int aspeed_soc_ast1030_irqmap[] = {
[ASPEED_DEV_UART1] = 47,
[ASPEED_DEV_UART2] = 48,
[ASPEED_DEV_UART3] = 49,
[ASPEED_DEV_UART4] = 50,
[ASPEED_DEV_UART5] = 8,
[ASPEED_DEV_UART6] = 57,
[ASPEED_DEV_UART7] = 58,
[ASPEED_DEV_UART8] = 59,
[ASPEED_DEV_UART9] = 60,
[ASPEED_DEV_UART10] = 61,
[ASPEED_DEV_UART11] = 62,
[ASPEED_DEV_UART12] = 63,
[ASPEED_DEV_UART13] = 64,
[ASPEED_DEV_GPIO] = 11,
[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_LPC] = 35,
[ASPEED_DEV_PECI] = 38,
[ASPEED_DEV_FMC] = 39,
[ASPEED_DEV_ESPI] = 42,
[ASPEED_DEV_PWM] = 44,
[ASPEED_DEV_ADC] = 46,
[ASPEED_DEV_SPI1] = 65,
[ASPEED_DEV_SPI2] = 66,
[ASPEED_DEV_I3C] = 102, /* 102 -> 105 */
[ASPEED_DEV_I2C] = 110, /* 110 ~ 123 */
[ASPEED_DEV_KCS] = 138, /* 138 -> 142 */
[ASPEED_DEV_UDC] = 9,
[ASPEED_DEV_SGPIOM] = 51,
[ASPEED_DEV_JTAG0] = 27,
[ASPEED_DEV_JTAG1] = 53,
};
static qemu_irq aspeed_soc_ast1030_get_irq(AspeedSoCState *s, int dev)
{
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
return qdev_get_gpio_in(DEVICE(&s->armv7m), sc->irqmap[dev]);
}
static void aspeed_soc_ast1030_init(Object *obj)
{
AspeedSoCState *s = ASPEED_SOC(obj);
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
char socname[8];
char typename[64];
int i;
if (sscanf(sc->name, "%7s", socname) != 1) {
g_assert_not_reached();
}
object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);
s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0);
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");
snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
object_initialize_child(obj, "i2c", &s->i2c, typename);
object_initialize_child(obj, "i3c", &s->i3c, TYPE_ASPEED_I3C);
snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
object_initialize_child(obj, "adc", &s->adc, typename);
snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
object_initialize_child(obj, "fmc", &s->fmc, typename);
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);
}
object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC);
object_initialize_child(obj, "peci", &s->peci, TYPE_ASPEED_PECI);
object_initialize_child(obj, "sbc", &s->sbc, TYPE_ASPEED_SBC);
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->uarts_num; i++) {
object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_SERIAL_MM);
}
snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
object_initialize_child(obj, "gpio", &s->gpio, typename);
object_initialize_child(obj, "iomem", &s->iomem, TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "sbc-unimplemented", &s->sbc_unimplemented,
TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "pwm", &s->pwm, TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "espi", &s->espi, TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "udc", &s->udc, TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "sgpiom", &s->sgpiom,
TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "jtag[0]", &s->jtag[0],
TYPE_UNIMPLEMENTED_DEVICE);
object_initialize_child(obj, "jtag[1]", &s->jtag[1],
TYPE_UNIMPLEMENTED_DEVICE);
}
static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
{
AspeedSoCState *s = ASPEED_SOC(dev_soc);
AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
DeviceState *armv7m;
Error *err = NULL;
int i;
g_autofree char *sram_name = NULL;
if (!clock_has_source(s->sysclk)) {
error_setg(errp, "sysclk clock must be wired up by the board code");
return;
}
/* General I/O memory space to catch all unimplemented device */
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->iomem), "aspeed.io",
sc->memmap[ASPEED_DEV_IOMEM],
ASPEED_SOC_IOMEM_SIZE);
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->sbc_unimplemented),
"aspeed.sbc", sc->memmap[ASPEED_DEV_SBC],
0x40000);
/* AST1030 CPU Core */
armv7m = DEVICE(&s->armv7m);
qdev_prop_set_uint32(armv7m, "num-irq", 256);
qdev_prop_set_string(armv7m, "cpu-type", sc->cpu_type);
qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk);
object_property_set_link(OBJECT(&s->armv7m), "memory",
OBJECT(s->memory), &error_abort);
sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), &error_abort);
/* Internal SRAM */
sram_name = g_strdup_printf("aspeed.sram.%d",
CPU(s->armv7m.cpu)->cpu_index);
memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_size, &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(s->memory,
sc->memmap[ASPEED_DEV_SRAM],
&s->sram);
memory_region_init_ram(&s->secsram, OBJECT(s), "sec.sram",
sc->secsram_size, &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SECSRAM],
&s->secsram);
/* SCU */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
/* I2C */
object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(&s->sram),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
return;
}
aspeed_mmio_map(s, 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->armv7m),
sc->irqmap[ASPEED_DEV_I2C] + i);
/* The AST1030 I2C controller has one IRQ per bus. */
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
}
/* I3C */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->i3c), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i3c), 0, sc->memmap[ASPEED_DEV_I3C]);
for (i = 0; i < ASPEED_I3C_NR_DEVICES; i++) {
qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->armv7m),
sc->irqmap[ASPEED_DEV_I3C] + i);
/* The AST1030 I3C controller has one IRQ per bus. */
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i3c.devices[i]), 0, irq);
}
/* PECI */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->peci), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->peci), 0,
sc->memmap[ASPEED_DEV_PECI]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->peci), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_PECI));
/* LPC */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]);
/* Connect the LPC IRQ to the GIC. It is otherwise unused. */
sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_LPC));
/*
* On the AST1030 LPC subdevice IRQs are connected straight to the GIC.
*/
sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_1,
qdev_get_gpio_in(DEVICE(&s->armv7m),
sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_1));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_2,
qdev_get_gpio_in(DEVICE(&s->armv7m),
sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_2));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_3,
qdev_get_gpio_in(DEVICE(&s->armv7m),
sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_3));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_4,
qdev_get_gpio_in(DEVICE(&s->armv7m),
sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4));
/* UART */
if (!aspeed_soc_uart_realize(s, errp)) {
return;
}
/* Timer */
object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
return;
}
aspeed_mmio_map(s, 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);
}
/* ADC */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
/* FMC, The number of CS is set at the board level */
object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(&s->sram),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 1,
ASPEED_SMC_GET_CLASS(&s->fmc)->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->sram), &error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 0,
sc->memmap[ASPEED_DEV_SPI1 + i]);
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 1,
ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
}
/* Secure Boot Controller */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->sbc), errp)) {
return;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sbc), 0, sc->memmap[ASPEED_DEV_SBC]);
/* Watch dog */
for (i = 0; i < sc->wdts_num; i++) {
AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
hwaddr wdt_offset = sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize;
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;
}
aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, wdt_offset);
}
/* GPIO */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
return;
}
aspeed_mmio_map(s, 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));
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->pwm), "aspeed.pwm",
sc->memmap[ASPEED_DEV_PWM], 0x100);
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->espi), "aspeed.espi",
sc->memmap[ASPEED_DEV_ESPI], 0x800);
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->udc), "aspeed.udc",
sc->memmap[ASPEED_DEV_UDC], 0x1000);
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->sgpiom), "aspeed.sgpiom",
sc->memmap[ASPEED_DEV_SGPIOM], 0x100);
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->jtag[0]), "aspeed.jtag",
sc->memmap[ASPEED_DEV_JTAG0], 0x20);
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->jtag[1]), "aspeed.jtag",
sc->memmap[ASPEED_DEV_JTAG1], 0x20);
}
static void aspeed_soc_ast1030_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
AspeedSoCClass *sc = ASPEED_SOC_CLASS(dc);
dc->realize = aspeed_soc_ast1030_realize;
sc->name = "ast1030-a1";
sc->cpu_type = ARM_CPU_TYPE_NAME("cortex-m4");
sc->silicon_rev = AST1030_A1_SILICON_REV;
sc->sram_size = 0xc0000;
sc->secsram_size = 0x40000; /* 256 * KiB */
sc->spis_num = 2;
sc->ehcis_num = 0;
sc->wdts_num = 4;
sc->macs_num = 1;
sc->uarts_num = 13;
sc->irqmap = aspeed_soc_ast1030_irqmap;
sc->memmap = aspeed_soc_ast1030_memmap;
sc->num_cpus = 1;
sc->get_irq = aspeed_soc_ast1030_get_irq;
}
static const TypeInfo aspeed_soc_ast1030_type_info = {
.name = "ast1030-a1",
.parent = TYPE_ASPEED_SOC,
.instance_size = sizeof(AspeedSoCState),
.instance_init = aspeed_soc_ast1030_init,
.class_init = aspeed_soc_ast1030_class_init,
.class_size = sizeof(AspeedSoCClass),
};
static void aspeed_soc_register_types(void)
{
type_register_static(&aspeed_soc_ast1030_type_info);
}
type_init(aspeed_soc_register_types)
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