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From: Vijai Kumar K <vijai@behindbytes.com>
To: qemu-riscv@nongnu.org
Cc: Vijai Kumar K <vijai@behindbytes.com>, qemu-devel@nongnu.org
Subject: [PATCH 3/3] hw/riscv: Connect Shakti UART to Shakti platform
Date: Sun, 14 Mar 2021 14:09:36 +0530	[thread overview]
Message-ID: <20210314083936.76269-4-vijai@behindbytes.com> (raw)
In-Reply-To: <20210314083936.76269-1-vijai@behindbytes.com>

Connect one shakti uart to the shakti_c machine.

Signed-off-by: Vijai Kumar K <vijai@behindbytes.com>
---
 hw/riscv/shakti_c.c         | 7 +++++++
 include/hw/riscv/shakti_c.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/hw/riscv/shakti_c.c b/hw/riscv/shakti_c.c
index e96436a3bf..07cc42a380 100644
--- a/hw/riscv/shakti_c.c
+++ b/hw/riscv/shakti_c.c
@@ -133,6 +133,12 @@ static void shakti_c_soc_state_realize(DeviceState *dev, Error **errp)
         shakti_c_memmap[SHAKTI_C_CLINT].size, 0, 1,
         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);
@@ -151,6 +157,7 @@ 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 6c66a160f5..3abb080d3c 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




  parent reply	other threads:[~2021-03-14  9:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-14  8:39 [PATCH 0/3] Add support for Shakti SoC from IIT-M Vijai Kumar K
2021-03-14  8:39 ` [PATCH 1/3] riscv: Add initial support for Shakti C class Vijai Kumar K
2021-03-19 13:39   ` Alistair Francis
2021-03-20  9:46     ` Vijai Kumar K
2021-03-14  8:39 ` [PATCH 2/3] hw/char: Add Shakti UART emulation Vijai Kumar K
2021-03-19 13:44   ` Alistair Francis
2021-03-20  9:41     ` Vijai Kumar K
2021-03-14  8:39 ` Vijai Kumar K [this message]
2021-03-19 13:47   ` [PATCH 3/3] hw/riscv: Connect Shakti UART to Shakti platform Alistair Francis
2021-03-20  9:38     ` Vijai Kumar K

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