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[PATCH v2 14/16] hw/riscv: microchip_pfsoc: Hook GPIO controllers
From: |
Bin Meng |
Subject: |
[PATCH v2 14/16] hw/riscv: microchip_pfsoc: Hook GPIO controllers |
Date: |
Sat, 29 Aug 2020 23:17:38 +0800 |
From: Bin Meng <bin.meng@windriver.com>
Microchip PolarFire SoC integrates 3 GPIOs controllers. It seems
enough to create unimplemented devices to cover their register
spaces at this point.
With this commit, QEMU can boot to U-Boot (2nd stage bootloader)
all the way to the Linux shell login prompt, with a modified HSS
(1st stage bootloader).
For detailed instructions on how to create images for the Icicle
Kit board, please check QEMU RISC-V WiKi page at:
https://wiki.qemu.org/Documentation/Platforms/RISCV
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
(no changes since v1)
include/hw/riscv/microchip_pfsoc.h | 3 +++
hw/riscv/microchip_pfsoc.c | 14 ++++++++++++++
2 files changed, 17 insertions(+)
diff --git a/include/hw/riscv/microchip_pfsoc.h
b/include/hw/riscv/microchip_pfsoc.h
index 6d20853..8bfc7e1 100644
--- a/include/hw/riscv/microchip_pfsoc.h
+++ b/include/hw/riscv/microchip_pfsoc.h
@@ -89,6 +89,9 @@ enum {
MICROCHIP_PFSOC_MMUART4,
MICROCHIP_PFSOC_GEM0,
MICROCHIP_PFSOC_GEM1,
+ MICROCHIP_PFSOC_GPIO0,
+ MICROCHIP_PFSOC_GPIO1,
+ MICROCHIP_PFSOC_GPIO2,
MICROCHIP_PFSOC_ENVM_CFG,
MICROCHIP_PFSOC_ENVM_DATA,
MICROCHIP_PFSOC_IOSCB_CFG,
diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
index 7f25609..11ebdd1 100644
--- a/hw/riscv/microchip_pfsoc.c
+++ b/hw/riscv/microchip_pfsoc.c
@@ -89,6 +89,9 @@ static const struct MemmapEntry {
[MICROCHIP_PFSOC_MMUART4] = { 0x20106000, 0x1000 },
[MICROCHIP_PFSOC_GEM0] = { 0x20110000, 0x2000 },
[MICROCHIP_PFSOC_GEM1] = { 0x20112000, 0x2000 },
+ [MICROCHIP_PFSOC_GPIO0] = { 0x20120000, 0x1000 },
+ [MICROCHIP_PFSOC_GPIO1] = { 0x20121000, 0x1000 },
+ [MICROCHIP_PFSOC_GPIO2] = { 0x20122000, 0x1000 },
[MICROCHIP_PFSOC_ENVM_CFG] = { 0x20200000, 0x1000 },
[MICROCHIP_PFSOC_ENVM_DATA] = { 0x20220000, 0x20000 },
[MICROCHIP_PFSOC_IOSCB_CFG] = { 0x37080000, 0x1000 },
@@ -311,6 +314,17 @@ static void microchip_pfsoc_soc_realize(DeviceState *dev,
Error **errp)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem1), 0,
qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM1_IRQ));
+ /* GPIOs */
+ create_unimplemented_device("microchip.pfsoc.gpio0",
+ memmap[MICROCHIP_PFSOC_GPIO0].base,
+ memmap[MICROCHIP_PFSOC_GPIO0].size);
+ create_unimplemented_device("microchip.pfsoc.gpio1",
+ memmap[MICROCHIP_PFSOC_GPIO1].base,
+ memmap[MICROCHIP_PFSOC_GPIO1].size);
+ create_unimplemented_device("microchip.pfsoc.gpio2",
+ memmap[MICROCHIP_PFSOC_GPIO2].base,
+ memmap[MICROCHIP_PFSOC_GPIO2].size);
+
/* eNVM */
memory_region_init_rom(envm_data, OBJECT(dev), "microchip.pfsoc.envm.data",
memmap[MICROCHIP_PFSOC_ENVM_DATA].size,
--
2.7.4
- [PATCH v2 04/16] hw/riscv: Initial support for Microchip PolarFire SoC Icicle Kit board, (continued)
- [PATCH v2 04/16] hw/riscv: Initial support for Microchip PolarFire SoC Icicle Kit board, Bin Meng, 2020/08/29
- [PATCH v2 05/16] hw/char: Add Microchip PolarFire SoC MMUART emulation, Bin Meng, 2020/08/29
- [PATCH v2 06/16] hw/riscv: microchip_pfsoc: Connect 5 MMUARTs, Bin Meng, 2020/08/29
- [PATCH v2 07/16] hw/sd: Add Cadence SDHCI emulation, Bin Meng, 2020/08/29
- [PATCH v2 08/16] hw/riscv: microchip_pfsoc: Connect a Cadence SDHCI controller and an SD card, Bin Meng, 2020/08/29
- [PATCH v2 09/16] hw/dma: Add SiFive platform DMA controller emulation, Bin Meng, 2020/08/29
- [PATCH v2 10/16] hw/riscv: microchip_pfsoc: Connect a DMA controller, Bin Meng, 2020/08/29
- [PATCH v2 11/16] hw/net: cadence_gem: Add a new 'phy-addr' property, Bin Meng, 2020/08/29
- [PATCH v2 12/16] hw/arm: xlnx: Set all boards' GEM 'phy-addr' property value to 23, Bin Meng, 2020/08/29
- [PATCH v2 13/16] hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs, Bin Meng, 2020/08/29
- [PATCH v2 14/16] hw/riscv: microchip_pfsoc: Hook GPIO controllers,
Bin Meng <=
- [PATCH v2 15/16] hw/riscv: clint: Avoid using hard-coded timebase frequency, Bin Meng, 2020/08/29
- [PATCH v2 16/16] hw/riscv: sifive_u: Connect a DMA controller, Bin Meng, 2020/08/29
- Re: [PATCH v2 00/16] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support, Leif Lindholm, 2020/08/30