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Fri, 20 Sep 2024 18:48:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nikitashushura.com; s=protonmail; t=1726872532; x=1727131732; bh=bYDDx6uahqespbjmcZw0jXIF87T6pBviFPOBew6Ae3I=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=owyrHnl2rtxB8a9YB3I3FOj9hLUf8YKDIJls6k701Zc1xYPMyD7b+y3eVi0N72NbO L3gvmV1cRZAQT1uFmFqgQYll3j+/02L19PFu2D8lB5crip31Bbzuxuc+y7Ja2C29nu yLvd9i195OiLNzpSEvAZNq6yoXK3gOGaJSoeVuGHHL5TV+qzlViRP5n8P8CnGIqC1j LV2G5nKy/oumvjltrrIzOlW5NY3hX+Wg/NdT08/kvhDLu+TXH6NJ+SBhKJ9LtzHtMj wkxR1UVeuuUW2yKnmW7eMGeRsGYteKEXxMGcq8NbHq3xZOZlfCRDTzBq9qgHdyI+1e /ZVts4KJSm2BQ== Date: Fri, 20 Sep 2024 22:48:47 +0000 To: qemu-devel@nongnu.org From: Nikita Shushura Cc: Nikita Shushura Subject: [PATCH 2/2] hw/sparc/leon3: add second uart with extended interrupt usage Message-ID: <20240920224810.69038-2-me@nikitashushura.com> In-Reply-To: <20240920224810.69038-1-me@nikitashushura.com> References: <20240920224810.69038-1-me@nikitashushura.com> Feedback-ID: 120968030:user:proton X-Pm-Message-ID: 75882fba17eef0d91ab56986a5ee2030e3d79e0a MIME-Version: 1.0 Received-SPF: pass client-ip=185.70.40.136; envelope-from=me@nikitashushura.com; helo=mail-40136.proton.ch 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, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 20 Sep 2024 21:11:05 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --- hw/sparc/leon3.c | 63 +++++++++++++++++++++++++++++++++++------------- 1 file changed, 46 insertions(+), 17 deletions(-) diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c index 6aaa04cb19..c559854e5e 100644 --- a/hw/sparc/leon3.c +++ b/hw/sparc/leon3.c @@ -54,10 +54,14 @@ #define LEON3_PROM_OFFSET (0x00000000) #define LEON3_RAM_OFFSET (0x40000000) -#define MAX_CPUS 4 +#define MAX_CPUS (4) +#define LEON3_EIRQ (12) -#define LEON3_UART_OFFSET (0x80000100) -#define LEON3_UART_IRQ (3) +#define LEON3_UART0_OFFSET (0x80000100) +#define LEON3_UART0_IRQ (2) + +#define LEON3_UART1_OFFSET (0x80100100) +#define LEON3_UART1_IRQ (17) #define LEON3_IRQMP_OFFSET (0x80000200) @@ -65,7 +69,8 @@ #define LEON3_TIMER_IRQ (6) #define LEON3_TIMER_COUNT (2) -#define LEON3_APB_PNP_OFFSET (0x800FF000) +#define LEON3_APB1_PNP_OFFSET (0x800FF000) +#define LEON3_APB2_PNP_OFFSET (0x801FF000) #define LEON3_AHB_PNP_OFFSET (0xFFFFF000) typedef struct ResetData { @@ -122,7 +127,8 @@ static void write_bootloader(void *ptr, hwaddr kernel_addr) /* Initialize the UARTs */ /* *UART_CONTROL = UART_RECEIVE_ENABLE | UART_TRANSMIT_ENABLE; */ - p = gen_store_u32(p, 0x80000108, 3); + p = gen_store_u32(p, LEON3_UART0_OFFSET + 0x8, 3); + p = gen_store_u32(p, LEON3_UART1_OFFSET + 0x8, 3); /* Initialize the TIMER 0 */ /* *GPTIMER_SCALER_RELOAD = 40 - 1; */ @@ -271,7 +277,8 @@ static void leon3_generic_hw_init(MachineState *machine) DeviceState *dev, *irqmpdev; int i; AHBPnp *ahb_pnp; - APBPnp *apb_pnp; + APBPnp *apb1_pnp; + APBPnp *apb2_pnp; reset_info = g_malloc0(sizeof(ResetData)); @@ -298,10 +305,19 @@ static void leon3_generic_hw_init(MachineState *machine) GRLIB_LEON3_DEV, GRLIB_AHB_MASTER, GRLIB_CPU_AREA); - apb_pnp = GRLIB_APB_PNP(qdev_new(TYPE_GRLIB_APB_PNP)); - sysbus_realize_and_unref(SYS_BUS_DEVICE(apb_pnp), &error_fatal); - sysbus_mmio_map(SYS_BUS_DEVICE(apb_pnp), 0, LEON3_APB_PNP_OFFSET); - grlib_ahb_pnp_add_entry(ahb_pnp, LEON3_APB_PNP_OFFSET, 0xFFF, + /* Initialize APB1 */ + apb1_pnp = GRLIB_APB_PNP(qdev_new(TYPE_GRLIB_APB_PNP)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(apb1_pnp), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(apb1_pnp), 0, LEON3_APB1_PNP_OFFSET); + grlib_ahb_pnp_add_entry(ahb_pnp, LEON3_APB1_PNP_OFFSET, 0xFFF, + GRLIB_VENDOR_GAISLER, GRLIB_APBMST_DEV, + GRLIB_AHB_SLAVE, GRLIB_AHBMEM_AREA); + + /* Initialize APB2 */ + apb2_pnp = GRLIB_APB_PNP(qdev_new(TYPE_GRLIB_APB_PNP)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(apb2_pnp), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(apb2_pnp), 0, LEON3_APB2_PNP_OFFSET); + grlib_ahb_pnp_add_entry(ahb_pnp, LEON3_APB2_PNP_OFFSET, 0xFFF, GRLIB_VENDOR_GAISLER, GRLIB_APBMST_DEV, GRLIB_AHB_SLAVE, GRLIB_AHBMEM_AREA); @@ -309,6 +325,8 @@ static void leon3_generic_hw_init(MachineState *machine) irqmpdev = qdev_new(TYPE_GRLIB_IRQMP); object_property_set_int(OBJECT(irqmpdev), "ncpus", machine->smp.cpus, &error_fatal); + /*object_property_set_int(OBJECT(irqmpdev), "eirq", LEON3_EIRQ,*/ + /* &error_fatal);*/ sysbus_realize_and_unref(SYS_BUS_DEVICE(irqmpdev), &error_fatal); for (i = 0; i < machine->smp.cpus; i++) { @@ -325,7 +343,7 @@ static void leon3_generic_hw_init(MachineState *machine) } sysbus_mmio_map(SYS_BUS_DEVICE(irqmpdev), 0, LEON3_IRQMP_OFFSET); - grlib_apb_pnp_add_entry(apb_pnp, LEON3_IRQMP_OFFSET, 0xFFF, + grlib_apb_pnp_add_entry(apb1_pnp, LEON3_IRQMP_OFFSET, 0xFFF, GRLIB_VENDOR_GAISLER, GRLIB_IRQMP_DEV, 2, 0, GRLIB_APBIO_AREA); @@ -417,20 +435,31 @@ static void leon3_generic_hw_init(MachineState *machine) qdev_get_gpio_in(irqmpdev, LEON3_TIMER_IRQ + i)); } - grlib_apb_pnp_add_entry(apb_pnp, LEON3_TIMER_OFFSET, 0xFFF, + grlib_apb_pnp_add_entry(apb1_pnp, LEON3_TIMER_OFFSET, 0xFFF, GRLIB_VENDOR_GAISLER, GRLIB_GPTIMER_DEV, 0, LEON3_TIMER_IRQ, GRLIB_APBIO_AREA); - /* Allocate uart */ + /* Allocate UART0 */ dev = qdev_new(TYPE_GRLIB_APB_UART); qdev_prop_set_chr(dev, "chrdev", serial_hd(0)); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, LEON3_UART_OFFSET); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, LEON3_UART0_OFFSET); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, + qdev_get_gpio_in(irqmpdev, LEON3_UART0_IRQ)); + grlib_apb_pnp_add_entry(apb1_pnp, LEON3_UART0_OFFSET, 0xFFF, + GRLIB_VENDOR_GAISLER, GRLIB_APBUART_DEV, 1, + LEON3_UART0_IRQ, GRLIB_APBIO_AREA); + + /* Allocate UART1 */ + dev = qdev_new(TYPE_GRLIB_APB_UART); + qdev_prop_set_chr(dev, "chrdev", serial_hd(1)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, LEON3_UART1_OFFSET); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, - qdev_get_gpio_in(irqmpdev, LEON3_UART_IRQ)); - grlib_apb_pnp_add_entry(apb_pnp, LEON3_UART_OFFSET, 0xFFF, + qdev_get_gpio_in(irqmpdev, LEON3_UART1_IRQ)); + grlib_apb_pnp_add_entry(apb1_pnp, LEON3_UART1_OFFSET, 0xFFF, GRLIB_VENDOR_GAISLER, GRLIB_APBUART_DEV, 1, - LEON3_UART_IRQ, GRLIB_APBIO_AREA); + LEON3_UART1_IRQ, GRLIB_APBIO_AREA); } static void leon3_generic_machine_init(MachineClass *mc)