From ce908a2f6f6d6e1d8ede485ee3f9f7d36ee3533c Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Tue, 1 Sep 2020 09:39:09 +0800 Subject: [PATCH] hw/riscv: microchip_pfsoc: Hook GPIO controllers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé Message-Id: <1598924352-89526-15-git-send-email-bmeng.cn@gmail.com> Signed-off-by: Alistair Francis --- hw/riscv/microchip_pfsoc.c | 14 ++++++++++++++ include/hw/riscv/microchip_pfsoc.h | 3 +++ 2 files changed, 17 insertions(+) diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c index 7f25609182..11ebdd1aa8 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, diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchip_pfsoc.h index 6d20853039..8bfc7e1a85 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,