From 9a6d491831e6e12a971f6a0c59e9553e96a9241c Mon Sep 17 00:00:00 2001 From: Francisco Iglesias Date: Fri, 21 Jan 2022 16:11:33 +0000 Subject: [PATCH] hw/arm/xlnx-versal: 'Or' the interrupts from the BBRAM and RTC models Add an orgate and 'or' the interrupts from the BBRAM and RTC models. Signed-off-by: Francisco Iglesias Reviewed-by: Peter Maydell Reviewed-by: Luc Michel Message-id: 20220121161141.14389-3-francisco.iglesias@xilinx.com Signed-off-by: Peter Maydell --- hw/arm/xlnx-versal-virt.c | 2 +- hw/arm/xlnx-versal.c | 28 ++++++++++++++++++++++++++-- include/hw/arm/xlnx-versal.h | 5 +++-- 3 files changed, 30 insertions(+), 5 deletions(-) diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c index 0c5edc898e..8ea9979710 100644 --- a/hw/arm/xlnx-versal-virt.c +++ b/hw/arm/xlnx-versal-virt.c @@ -365,7 +365,7 @@ static void fdt_add_bbram_node(VersalVirt *s) qemu_fdt_add_subnode(s->fdt, name); qemu_fdt_setprop_cells(s->fdt, name, "interrupts", - GIC_FDT_IRQ_TYPE_SPI, VERSAL_BBRAM_APB_IRQ_0, + GIC_FDT_IRQ_TYPE_SPI, VERSAL_PMC_APB_IRQ, GIC_FDT_IRQ_FLAGS_LEVEL_HI); qemu_fdt_setprop(s->fdt, name, "interrupt-names", interrupt_names, sizeof(interrupt_names)); diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index b2705b6925..fefd00b57c 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -25,6 +25,8 @@ #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72") #define GEM_REVISION 0x40070106 +#define VERSAL_NUM_PMC_APB_IRQS 2 + static void versal_create_apu_cpus(Versal *s) { int i; @@ -260,6 +262,25 @@ static void versal_create_sds(Versal *s, qemu_irq *pic) } } +static void versal_create_pmc_apb_irq_orgate(Versal *s, qemu_irq *pic) +{ + DeviceState *orgate; + + /* + * The VERSAL_PMC_APB_IRQ is an 'or' of the interrupts from the following + * models: + * - RTC + * - BBRAM + */ + object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate", + &s->pmc.apb_irq_orgate, TYPE_OR_IRQ); + orgate = DEVICE(&s->pmc.apb_irq_orgate); + object_property_set_int(OBJECT(orgate), + "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal); + qdev_realize(orgate, NULL, &error_fatal); + qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]); +} + static void versal_create_rtc(Versal *s, qemu_irq *pic) { SysBusDevice *sbd; @@ -277,7 +298,8 @@ static void versal_create_rtc(Versal *s, qemu_irq *pic) * TODO: Connect the ALARM and SECONDS interrupts once our RTC model * supports them. */ - sysbus_connect_irq(sbd, 1, pic[VERSAL_RTC_APB_ERR_IRQ]); + sysbus_connect_irq(sbd, 1, + qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0)); } static void versal_create_xrams(Versal *s, qemu_irq *pic) @@ -328,7 +350,8 @@ static void versal_create_bbram(Versal *s, qemu_irq *pic) sysbus_realize(sbd, &error_fatal); memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL, sysbus_mmio_get_region(sbd, 0)); - sysbus_connect_irq(sbd, 0, pic[VERSAL_BBRAM_APB_IRQ_0]); + sysbus_connect_irq(sbd, 0, + qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1)); } static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base) @@ -455,6 +478,7 @@ static void versal_realize(DeviceState *dev, Error **errp) versal_create_gems(s, pic); versal_create_admas(s, pic); versal_create_sds(s, pic); + versal_create_pmc_apb_irq_orgate(s, pic); versal_create_rtc(s, pic); versal_create_xrams(s, pic); versal_create_bbram(s, pic); diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h index 895ba12c61..62fb6f0a68 100644 --- a/include/hw/arm/xlnx-versal.h +++ b/include/hw/arm/xlnx-versal.h @@ -85,6 +85,8 @@ struct Versal { XlnxEFuse efuse; XlnxVersalEFuseCtrl efuse_ctrl; XlnxVersalEFuseCache efuse_cache; + + qemu_or_irq apb_irq_orgate; } pmc; struct { @@ -111,8 +113,7 @@ struct Versal { #define VERSAL_GEM1_WAKE_IRQ_0 59 #define VERSAL_ADMA_IRQ_0 60 #define VERSAL_XRAM_IRQ_0 79 -#define VERSAL_BBRAM_APB_IRQ_0 121 -#define VERSAL_RTC_APB_ERR_IRQ 121 +#define VERSAL_PMC_APB_IRQ 121 #define VERSAL_SD0_IRQ_0 126 #define VERSAL_EFUSE_IRQ 139 #define VERSAL_RTC_ALARM_IRQ 142 -- 2.11.0