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[144.168.56.201]) by smtp.gmail.com with ESMTPSA id t23sm45957591pfc.0.2020.12.31.03.31.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Dec 2020 03:31:19 -0800 (PST) From: Bin Meng To: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alistair Francis , qemu-block@nongnu.org, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 18/22] hw/riscv: sifive_u: Add QSPI2 controller and connect an SD card Date: Thu, 31 Dec 2020 19:30:06 +0800 Message-Id: <20201231113010.27108-19-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201231113010.27108-1-bmeng.cn@gmail.com> References: <20201231113010.27108-1-bmeng.cn@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=bmeng.cn@gmail.com; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bin Meng Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Bin Meng This adds the QSPI2 controller to the SoC, and connnects an SD card to it. The generation of corresponding device tree source fragment is also added. Specify machine property `msel` to 11 to boot the same upstream U-Boot SPL and payload image for the SiFive HiFive Unleashed board. Note subsequent payload is stored in the SD card image. $ qemu-system-riscv64 -nographic -M sifive_u,msel=11 -smp 5 -m 8G \ -bios u-boot-spl.bin -drive file=sdcard.img,if=sd Signed-off-by: Bin Meng --- include/hw/riscv/sifive_u.h | 3 +++ hw/riscv/sifive_u.c | 43 +++++++++++++++++++++++++++++++++++-- hw/riscv/Kconfig | 1 + 3 files changed, 45 insertions(+), 2 deletions(-) diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index 8824b7c031..de1464a2ce 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -47,6 +47,7 @@ typedef struct SiFiveUSoCState { SiFiveUOTPState otp; SiFivePDMAState dma; SiFiveSPIState spi0; + SiFiveSPIState spi2; CadenceGEMState gem; uint32_t serial; @@ -85,6 +86,7 @@ enum { SIFIVE_U_DEV_UART1, SIFIVE_U_DEV_GPIO, SIFIVE_U_DEV_QSPI0, + SIFIVE_U_DEV_QSPI2, SIFIVE_U_DEV_OTP, SIFIVE_U_DEV_DMC, SIFIVE_U_DEV_FLASH0, @@ -99,6 +101,7 @@ enum { SIFIVE_U_L2CC_IRQ2 = 3, SIFIVE_U_UART0_IRQ = 4, SIFIVE_U_UART1_IRQ = 5, + SIFIVE_U_QSPI2_IRQ = 6, SIFIVE_U_GPIO_IRQ0 = 7, SIFIVE_U_GPIO_IRQ1 = 8, SIFIVE_U_GPIO_IRQ2 = 9, diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index acac4feef1..d59333d18d 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -16,6 +16,7 @@ * 6) GEM (Gigabit Ethernet Controller) and management block * 7) DMA (Direct Memory Access Controller) * 8) SPI0 connected to an SPI flash + * 9) SPI2 connected to an SD card * * This board currently generates devicetree dynamically that indicates at least * two harts and up to five harts. @@ -77,6 +78,7 @@ static const struct MemmapEntry { [SIFIVE_U_DEV_UART0] = { 0x10010000, 0x1000 }, [SIFIVE_U_DEV_UART1] = { 0x10011000, 0x1000 }, [SIFIVE_U_DEV_QSPI0] = { 0x10040000, 0x1000 }, + [SIFIVE_U_DEV_QSPI2] = { 0x10050000, 0x1000 }, [SIFIVE_U_DEV_GPIO] = { 0x10060000, 0x1000 }, [SIFIVE_U_DEV_OTP] = { 0x10070000, 0x1000 }, [SIFIVE_U_DEV_GEM] = { 0x10090000, 0x2000 }, @@ -345,6 +347,31 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, "sifive,fu540-c000-ccache"); g_free(nodename); + nodename = g_strdup_printf("/soc/spi@%lx", + (long)memmap[SIFIVE_U_DEV_QSPI2].base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1); + qemu_fdt_setprop_cells(fdt, nodename, "clocks", + prci_phandle, PRCI_CLK_TLCLK); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_QSPI2_IRQ); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cells(fdt, nodename, "reg", + 0x0, memmap[SIFIVE_U_DEV_QSPI2].base, + 0x0, memmap[SIFIVE_U_DEV_QSPI2].size); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,spi0"); + g_free(nodename); + + nodename = g_strdup_printf("/soc/spi@%lx/mmc@0", + (long)memmap[SIFIVE_U_DEV_QSPI2].base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop(fdt, nodename, "disable-wp", NULL, 0); + qemu_fdt_setprop_cells(fdt, nodename, "voltage-ranges", 3300, 3300); + qemu_fdt_setprop_cell(fdt, nodename, "spi-max-frequency", 20000000); + qemu_fdt_setprop_cell(fdt, nodename, "reg", 0); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "mmc-spi-slot"); + g_free(nodename); + nodename = g_strdup_printf("/soc/spi@%lx", (long)memmap[SIFIVE_U_DEV_QSPI0].base); qemu_fdt_add_subnode(fdt, nodename); @@ -469,8 +496,8 @@ static void sifive_u_machine_init(MachineState *machine) uint32_t fdt_load_addr; uint64_t kernel_entry; DriveInfo *dinfo; - DeviceState *flash_dev; - qemu_irq flash_cs; + DeviceState *flash_dev, *sd_dev; + qemu_irq flash_cs, sd_cs; /* Initialize SoC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_RISCV_U_SOC); @@ -616,6 +643,12 @@ static void sifive_u_machine_init(MachineState *machine) flash_cs = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0); sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi0), 1, flash_cs); + + /* Connect an SD card to SPI2 */ + sd_dev = ssi_create_peripheral(s->soc.spi2.spi, "ssi-sd"); + + sd_cs = qdev_get_gpio_in_named(sd_dev, SSI_GPIO_CS, 0); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi2), 1, sd_cs); } static bool sifive_u_machine_get_start_in_flash(Object *obj, Error **errp) @@ -730,6 +763,7 @@ static void sifive_u_soc_instance_init(Object *obj) object_initialize_child(obj, "gpio", &s->gpio, TYPE_SIFIVE_GPIO); object_initialize_child(obj, "pdma", &s->dma, TYPE_SIFIVE_PDMA); object_initialize_child(obj, "spi0", &s->spi0, TYPE_SIFIVE_SPI); + object_initialize_child(obj, "spi2", &s->spi2, TYPE_SIFIVE_SPI); } static void sifive_u_soc_realize(DeviceState *dev, Error **errp) @@ -883,6 +917,11 @@ static void sifive_u_soc_realize(DeviceState *dev, Error **errp) memmap[SIFIVE_U_DEV_QSPI0].base); sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi0), 0, qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_QSPI0_IRQ)); + sysbus_realize(SYS_BUS_DEVICE(&s->spi2), errp); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi2), 0, + memmap[SIFIVE_U_DEV_QSPI2].base); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi2), 0, + qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_QSPI2_IRQ)); } static Property sifive_u_soc_props[] = { diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 6330297b4e..d139074b02 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -57,6 +57,7 @@ config SIFIVE_U select SIFIVE_U_OTP select SIFIVE_U_PRCI select SSI_M25P80 + select SSI_SD select UNIMP config SPIKE -- 2.25.1