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[PATCH v4 16/45] Enable BCM2838 PCIE
From: |
Sergey Kambalin |
Subject: |
[PATCH v4 16/45] Enable BCM2838 PCIE |
Date: |
Thu, 7 Dec 2023 20:31:16 -0600 |
Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com>
---
hw/arm/bcm2838_pcie.c | 3 +++
hw/arm/bcm2838_peripherals.c | 26 ++++++++++++++++++++++++++
hw/arm/meson.build | 7 ++++---
hw/arm/raspi4b.c | 1 -
include/hw/arm/bcm2838_peripherals.h | 3 +++
5 files changed, 36 insertions(+), 4 deletions(-)
diff --git a/hw/arm/bcm2838_pcie.c b/hw/arm/bcm2838_pcie.c
index 75146d6c2e..8e046d0ac7 100644
--- a/hw/arm/bcm2838_pcie.c
+++ b/hw/arm/bcm2838_pcie.c
@@ -239,6 +239,9 @@ static void bcm2838_pcie_root_reg_reset(PCIDevice *dev)
}
static void bcm2838_pcie_root_realize(PCIDevice *dev, Error **errp) {
+ BCM2838PcieRootClass *brpc = BCM2838_PCIE_ROOT_GET_CLASS(dev);
+
+ brpc->parent_realize(dev, errp);
bcm2838_pcie_root_reg_reset(dev);
}
diff --git a/hw/arm/bcm2838_peripherals.c b/hw/arm/bcm2838_peripherals.c
index d3b42cf25b..ee06214715 100644
--- a/hw/arm/bcm2838_peripherals.c
+++ b/hw/arm/bcm2838_peripherals.c
@@ -12,6 +12,11 @@
#include "hw/arm/raspi_platform.h"
#include "hw/arm/bcm2838_peripherals.h"
+#define PCIE_RC_OFFSET 0x1500000
+#define PCIE_MMIO_OFFSET 0xc0000000
+#define PCIE_MMIO_ARM_OFFSET 0x600000000
+#define PCIE_MMIO_SIZE 0x40000000
+
/* Lower peripheral base address on the VC (GPU) system bus */
#define BCM2838_VC_PERI_LOW_BASE 0x7c000000
@@ -29,6 +34,10 @@ static void bcm2838_peripherals_init(Object *obj)
bc->peri_low_size);
sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_low_mr);
+ /* PCIe Host Bridge */
+ object_initialize_child(obj, "pcie-host", &s->pcie_host,
+ TYPE_BCM2838_PCIE_HOST);
+
/* Extended Mass Media Controller 2 */
object_initialize_child(obj, "emmc2", &s->emmc2, TYPE_SYSBUS_SDHCI);
@@ -61,6 +70,9 @@ static void bcm2838_peripherals_realize(DeviceState *dev,
Error **errp)
MemoryRegion *mphi_mr;
BCM2838PeripheralState *s = BCM2838_PERIPHERALS(dev);
BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(dev);
+ MemoryRegion *regs_mr;
+ MemoryRegion *mmio_mr;
+
int n;
bcm_soc_peripherals_common_realize(dev, errp);
@@ -172,6 +184,20 @@ static void bcm2838_peripherals_realize(DeviceState *dev,
Error **errp)
BCM2838_MPHI_SIZE);
memory_region_add_subregion(&s_base->peri_mr, BCM2838_MPHI_OFFSET,
&s->mphi_mr_alias);
+ /* PCIe Root Complex */
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->pcie_host), errp)) {
+ return;
+ }
+ /* RC registers region */
+ regs_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pcie_host), 0);
+ memory_region_add_subregion(&s->peri_low_mr, PCIE_RC_OFFSET, regs_mr);
+ /* MMIO region */
+ mmio_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pcie_host), 1);
+ memory_region_init_alias(&s->pcie_mmio_alias, OBJECT(&s->pcie_host),
+ "pcie-mmio", mmio_mr, PCIE_MMIO_OFFSET,
+ PCIE_MMIO_SIZE);
+ memory_region_add_subregion(get_system_memory(), PCIE_MMIO_ARM_OFFSET,
+ &s->pcie_mmio_alias);
/* GPIO */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
diff --git a/hw/arm/meson.build b/hw/arm/meson.build
index b26ed13c6f..69d199b73e 100644
--- a/hw/arm/meson.build
+++ b/hw/arm/meson.build
@@ -41,7 +41,6 @@ arm_ss.add(when: 'CONFIG_ALLWINNER_R40', if_true:
files('allwinner-r40.c', 'bana
arm_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2836.c', 'raspi.c'))
arm_ss.add(when: ['CONFIG_RASPI', 'TARGET_AARCH64'], if_true: files(
'bcm2838.c',
- 'bcm2838_pcie.c',
'raspi4b.c'))
arm_ss.add(when: 'CONFIG_STM32F100_SOC', if_true: files('stm32f100_soc.c'))
arm_ss.add(when: 'CONFIG_STM32F205_SOC', if_true: files('stm32f205_soc.c'))
@@ -72,8 +71,10 @@ arm_ss.add(when: 'CONFIG_XEN', if_true: files('xen_arm.c'))
system_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmu-common.c'))
system_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4_boards.c'))
-system_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2835_peripherals.c'))
-system_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2838_peripherals.c'))
+system_ss.add(when: 'CONFIG_RASPI', if_true: files(
+ 'bcm2835_peripherals.c',
+ 'bcm2838_peripherals.c',
+ 'bcm2838_pcie.c'))
system_ss.add(when: 'CONFIG_TOSA', if_true: files('tosa.c'))
hw_arch += {'arm': arm_ss}
diff --git a/hw/arm/raspi4b.c b/hw/arm/raspi4b.c
index 10376b62dc..2e8474e1c5 100644
--- a/hw/arm/raspi4b.c
+++ b/hw/arm/raspi4b.c
@@ -67,7 +67,6 @@ static void raspi4_modify_dtb(const struct arm_boot_info
*info, void *fdt)
/* Temporarily disable following devices until they are implemented*/
const char *to_be_removed_from_dt_as_wa[] = {
- "brcm,bcm2711-pcie",
"brcm,bcm2711-rng200",
"brcm,bcm2711-thermal",
"brcm,bcm2711-genet-v5",
diff --git a/include/hw/arm/bcm2838_peripherals.h
b/include/hw/arm/bcm2838_peripherals.h
index af085934c9..2af96df1c6 100644
--- a/include/hw/arm/bcm2838_peripherals.h
+++ b/include/hw/arm/bcm2838_peripherals.h
@@ -10,6 +10,7 @@
#define BCM2838_PERIPHERALS_H
#include "hw/arm/bcm2835_peripherals.h"
+#include "hw/arm/bcm2838_pcie.h"
#include "hw/sd/sdhci.h"
#include "hw/gpio/bcm2838_gpio.h"
@@ -62,8 +63,10 @@ struct BCM2838PeripheralState {
MemoryRegion peri_low_mr;
MemoryRegion peri_low_mr_alias;
MemoryRegion mphi_mr_alias;
+ MemoryRegion pcie_mmio_alias;
SDHCIState emmc2;
+ BCM2838PcieHostState pcie_host;
BCM2838GpioState gpio;
OrIRQState mmc_irq_orgate;
--
2.34.1
- Re: [PATCH v4 09/45] Add GPIO and SD to BCM2838 periph, (continued)
- [PATCH v4 10/45] Add BCM2838 checkpoint support, Sergey Kambalin, 2023/12/07
- [PATCH v4 07/45] Implement BCM2838 GPIO functionality, Sergey Kambalin, 2023/12/07
- [PATCH v4 11/45] Introduce Raspberry PI 4 machine, Sergey Kambalin, 2023/12/07
- [PATCH v4 12/45] Temporarily disable unimplemented rpi4b devices, Sergey Kambalin, 2023/12/07
- [PATCH v4 13/45] Add memory region for BCM2837 RPiVid ASB, Sergey Kambalin, 2023/12/07
- [PATCH v4 14/45] Add BCM2838 PCIE Root Complex, Sergey Kambalin, 2023/12/07
- [PATCH v4 15/45] Add BCM2838 PCIE host, Sergey Kambalin, 2023/12/07
- [PATCH v4 16/45] Enable BCM2838 PCIE,
Sergey Kambalin <=
- [PATCH v4 17/45] Add RNG200 skeleton, Sergey Kambalin, 2023/12/07
- [PATCH v4 18/45] Add RNG200 RNG and RBG, Sergey Kambalin, 2023/12/07
- [PATCH v4 20/45] Implement BCM2838 thermal sensor, Sergey Kambalin, 2023/12/07
- [PATCH v4 21/45] Add clock_isp stub, Sergey Kambalin, 2023/12/07
- [PATCH v4 19/45] Get rid of RNG200 timer, Sergey Kambalin, 2023/12/07
- [PATCH v4 22/45] Add GENET stub, Sergey Kambalin, 2023/12/07
- [PATCH v4 24/45] Add GENET register structs. Part 2, Sergey Kambalin, 2023/12/07
- [PATCH v4 25/45] Add GENET register structs. Part 3, Sergey Kambalin, 2023/12/07
- [PATCH v4 23/45] Add GENET register structs. Part 1, Sergey Kambalin, 2023/12/07
- [PATCH v4 26/45] Add GENET register structs. Part 4, Sergey Kambalin, 2023/12/07