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[PATCH v3 4/4] hw/riscv: Connect Shakti UART to Shakti platform


From: Vijai Kumar K
Subject: [PATCH v3 4/4] hw/riscv: Connect Shakti UART to Shakti platform
Date: Thu, 1 Apr 2021 23:44:57 +0530

Connect one shakti uart to the shakti_c machine.

Signed-off-by: Vijai Kumar K <vijai@behindbytes.com>
---
 hw/riscv/shakti_c.c         | 8 ++++++++
 include/hw/riscv/shakti_c.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/hw/riscv/shakti_c.c b/hw/riscv/shakti_c.c
index c8205d3f22..e207fa83dd 100644
--- a/hw/riscv/shakti_c.c
+++ b/hw/riscv/shakti_c.c
@@ -125,6 +125,13 @@ static void shakti_c_soc_state_realize(DeviceState *dev, 
Error **errp)
         SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE,
         SIFIVE_CLINT_TIMEBASE_FREQ, false);
 
+    qdev_prop_set_chr(DEVICE(&(sss->uart)), "chardev", serial_hd(0));
+    if (!sysbus_realize(SYS_BUS_DEVICE(&sss->uart), errp)) {
+        return;
+    }
+    sysbus_mmio_map(SYS_BUS_DEVICE(&sss->uart), 0,
+                    shakti_c_memmap[SHAKTI_C_UART].base);
+
     /* ROM */
     memory_region_init_rom(&sss->rom, OBJECT(dev), "riscv.shakti.c.rom",
                            shakti_c_memmap[SHAKTI_C_ROM].size, &error_fatal);
@@ -143,6 +150,7 @@ static void shakti_c_soc_instance_init(Object *obj)
     ShaktiCSoCState *sss = RISCV_SHAKTI_SOC(obj);
 
     object_initialize_child(obj, "cpus", &sss->cpus, TYPE_RISCV_HART_ARRAY);
+    object_initialize_child(obj, "uart", &sss->uart, TYPE_SHAKTI_UART);
 
     /*
      * CPU type is fixed and we are not supporting passing from commandline 
yet.
diff --git a/include/hw/riscv/shakti_c.h b/include/hw/riscv/shakti_c.h
index 8ffc2b0213..50a2b79086 100644
--- a/include/hw/riscv/shakti_c.h
+++ b/include/hw/riscv/shakti_c.h
@@ -21,6 +21,7 @@
 
 #include "hw/riscv/riscv_hart.h"
 #include "hw/boards.h"
+#include "hw/char/shakti_uart.h"
 
 #define TYPE_RISCV_SHAKTI_SOC "riscv.shakti.cclass.soc"
 #define RISCV_SHAKTI_SOC(obj) \
@@ -33,6 +34,7 @@ typedef struct ShaktiCSoCState {
     /*< public >*/
     RISCVHartArrayState cpus;
     DeviceState *plic;
+    ShaktiUartState uart;
     MemoryRegion rom;
 
 } ShaktiCSoCState;
-- 
2.25.1





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