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hw/arm/mps2: Add SPI devices

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From 'Application Note AN385', chapter 3.9, SPI:

  The SMM implements five PL022 SPI modules.

Two pairs of modules share the same OR-gated IRQ.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-12-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-06-17 09:25:36 +02:00 committed by Peter Maydell
parent adbb23b6a8
commit 58f7f3c452
2 changed files with 27 additions and 3 deletions
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6
hw/arm/Kconfig
View File

@ -59,7 +59,7 @@ config HIGHBANK
select ARM_TIMER # sp804
select ARM_V7M
select PL011 # UART
select PL022 # Serial port
select PL022 # SPI
select PL031 # RTC
select PL061 # GPIO
select PL310 # cache controller
@ -222,7 +222,7 @@ config STELLARIS
select CMSDK_APB_WATCHDOG
select I2C
select PL011 # UART
select PL022 # Serial port
select PL022 # SPI
select PL061 # GPIO
select SSD0303 # OLED display
select SSD0323 # OLED display
@ -401,7 +401,7 @@ config MPS2
select MPS2_FPGAIO
select MPS2_SCC
select OR_IRQ
select PL022 # Serial port
select PL022 # SPI
select PL080 # DMA controller
select SPLIT_IRQ
select UNIMP

24
hw/arm/mps2.c
View File

@ -39,6 +39,7 @@
#include "hw/timer/cmsdk-apb-dualtimer.h"
#include "hw/misc/mps2-scc.h"
#include "hw/misc/mps2-fpgaio.h"
#include "hw/ssi/pl022.h"
#include "hw/net/lan9118.h"
#include "net/net.h"
#include "hw/watchdog/cmsdk-apb-watchdog.h"
@ -341,6 +342,29 @@ static void mps2_common_init(MachineState *machine)
qdev_prop_set_uint32(DEVICE(&mms->fpgaio), "prescale-clk", 25000000);
sysbus_realize(SYS_BUS_DEVICE(&mms->fpgaio), &error_fatal);
sysbus_mmio_map(SYS_BUS_DEVICE(&mms->fpgaio), 0, 0x40028000);
sysbus_create_simple(TYPE_PL022, 0x40025000, /* External ADC */
qdev_get_gpio_in(armv7m, 22));
for (i = 0; i < 2; i++) {
static const int spi_irqno[] = {11, 24};
static const hwaddr spibase[] = {0x40020000, /* APB */
0x40021000, /* LCD */
0x40026000, /* Shield0 */
0x40027000}; /* Shield1 */
DeviceState *orgate_dev;
Object *orgate;
int j;
orgate = object_new(TYPE_OR_IRQ);
object_property_set_int(orgate, 2, "num-lines", &error_fatal);
orgate_dev = DEVICE(orgate);
qdev_realize(orgate_dev, NULL, &error_fatal);
qdev_connect_gpio_out(orgate_dev, 0,
qdev_get_gpio_in(armv7m, spi_irqno[i]));
for (j = 0; j < 2; j++) {
sysbus_create_simple(TYPE_PL022, spibase[2 * i + j],
qdev_get_gpio_in(orgate_dev, j));
}
}
/* In hardware this is a LAN9220; the LAN9118 is software compatible
* except that it doesn't support the checksum-offload feature.