diff mbox series

[v3,06/16] hw/riscv: microchip_pfsoc: Connect 5 MMUARTs

Message ID 1598924352-89526-7-git-send-email-bmeng.cn@gmail.com
State New
Headers show
Series [v3,01/16] target/riscv: cpu: Add a new 'resetvec' property | expand

Commit Message

Bin Meng Sept. 1, 2020, 1:39 a.m. UTC 
From: Bin Meng <bin.meng@windriver.com>

Microchip PolarFire SoC has 5 MMUARTs, and the Icicle Kit board
wires 4 of them out. Let's connect all 5 MMUARTs.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---

(no changes since v1)

 include/hw/riscv/microchip_pfsoc.h | 20 ++++++++++++++++++++
 hw/riscv/microchip_pfsoc.c         | 30 ++++++++++++++++++++++++++++++
 hw/riscv/Kconfig                   |  1 +
 3 files changed, 51 insertions(+)
diff mbox series

Patch

diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchip_pfsoc.h
index 1953ef1..a5efa1d 100644
--- a/include/hw/riscv/microchip_pfsoc.h
+++ b/include/hw/riscv/microchip_pfsoc.h
@@ -22,6 +22,8 @@ 
 #ifndef HW_MICROCHIP_PFSOC_H
 #define HW_MICROCHIP_PFSOC_H
 
+#include "hw/char/mchp_pfsoc_mmuart.h"
+
 typedef struct MicrochipPFSoCState {
     /*< private >*/
     DeviceState parent_obj;
@@ -32,6 +34,11 @@  typedef struct MicrochipPFSoCState {
     RISCVHartArrayState e_cpus;
     RISCVHartArrayState u_cpus;
     DeviceState *plic;
+    MchpPfSoCMMUartState *serial0;
+    MchpPfSoCMMUartState *serial1;
+    MchpPfSoCMMUartState *serial2;
+    MchpPfSoCMMUartState *serial3;
+    MchpPfSoCMMUartState *serial4;
 } MicrochipPFSoCState;
 
 #define TYPE_MICROCHIP_PFSOC    "microchip.pfsoc"
@@ -64,14 +71,27 @@  enum {
     MICROCHIP_PFSOC_L2CC,
     MICROCHIP_PFSOC_L2LIM,
     MICROCHIP_PFSOC_PLIC,
+    MICROCHIP_PFSOC_MMUART0,
     MICROCHIP_PFSOC_SYSREG,
     MICROCHIP_PFSOC_MPUCFG,
+    MICROCHIP_PFSOC_MMUART1,
+    MICROCHIP_PFSOC_MMUART2,
+    MICROCHIP_PFSOC_MMUART3,
+    MICROCHIP_PFSOC_MMUART4,
     MICROCHIP_PFSOC_ENVM_CFG,
     MICROCHIP_PFSOC_ENVM_DATA,
     MICROCHIP_PFSOC_IOSCB_CFG,
     MICROCHIP_PFSOC_DRAM,
 };
 
+enum {
+    MICROCHIP_PFSOC_MMUART0_IRQ = 90,
+    MICROCHIP_PFSOC_MMUART1_IRQ = 91,
+    MICROCHIP_PFSOC_MMUART2_IRQ = 92,
+    MICROCHIP_PFSOC_MMUART3_IRQ = 93,
+    MICROCHIP_PFSOC_MMUART4_IRQ = 94,
+};
+
 #define MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT    1
 #define MICROCHIP_PFSOC_COMPUTE_CPU_COUNT       4
 
diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
index d946b2a..cee959a 100644
--- a/hw/riscv/microchip_pfsoc.c
+++ b/hw/riscv/microchip_pfsoc.c
@@ -11,6 +11,7 @@ 
  * 0) CLINT (Core Level Interruptor)
  * 1) PLIC (Platform Level Interrupt Controller)
  * 2) eNVM (Embedded Non-Volatile Memory)
+ * 3) MMUARTs (Multi-Mode UART)
  *
  * This board currently generates devicetree dynamically that indicates at least
  * two harts and up to five harts.
@@ -38,6 +39,7 @@ 
 #include "hw/irq.h"
 #include "hw/loader.h"
 #include "hw/sysbus.h"
+#include "chardev/char.h"
 #include "hw/cpu/cluster.h"
 #include "target/riscv/cpu.h"
 #include "hw/misc/unimp.h"
@@ -46,6 +48,7 @@ 
 #include "hw/riscv/sifive_clint.h"
 #include "hw/riscv/sifive_plic.h"
 #include "hw/riscv/microchip_pfsoc.h"
+#include "sysemu/sysemu.h"
 
 /*
  * The BIOS image used by this machine is called Hart Software Services (HSS).
@@ -69,8 +72,13 @@  static const struct MemmapEntry {
     [MICROCHIP_PFSOC_L2CC] =            {  0x2010000,     0x1000 },
     [MICROCHIP_PFSOC_L2LIM] =           {  0x8000000,  0x2000000 },
     [MICROCHIP_PFSOC_PLIC] =            {  0xc000000,  0x4000000 },
+    [MICROCHIP_PFSOC_MMUART0] =         { 0x20000000,     0x1000 },
     [MICROCHIP_PFSOC_SYSREG] =          { 0x20002000,     0x2000 },
     [MICROCHIP_PFSOC_MPUCFG] =          { 0x20005000,     0x1000 },
+    [MICROCHIP_PFSOC_MMUART1] =         { 0x20100000,     0x1000 },
+    [MICROCHIP_PFSOC_MMUART2] =         { 0x20102000,     0x1000 },
+    [MICROCHIP_PFSOC_MMUART3] =         { 0x20104000,     0x1000 },
+    [MICROCHIP_PFSOC_MMUART4] =         { 0x20106000,     0x1000 },
     [MICROCHIP_PFSOC_ENVM_CFG] =        { 0x20200000,     0x1000 },
     [MICROCHIP_PFSOC_ENVM_DATA] =       { 0x20220000,    0x20000 },
     [MICROCHIP_PFSOC_IOSCB_CFG] =       { 0x37080000,     0x1000 },
@@ -215,6 +223,28 @@  static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp)
         memmap[MICROCHIP_PFSOC_MPUCFG].base,
         memmap[MICROCHIP_PFSOC_MPUCFG].size);
 
+    /* MMUARTs */
+    s->serial0 = mchp_pfsoc_mmuart_create(system_memory,
+        memmap[MICROCHIP_PFSOC_MMUART0].base,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART0_IRQ),
+        serial_hd(0));
+    s->serial1 = mchp_pfsoc_mmuart_create(system_memory,
+        memmap[MICROCHIP_PFSOC_MMUART1].base,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART1_IRQ),
+        serial_hd(1));
+    s->serial2 = mchp_pfsoc_mmuart_create(system_memory,
+        memmap[MICROCHIP_PFSOC_MMUART2].base,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART2_IRQ),
+        serial_hd(2));
+    s->serial3 = mchp_pfsoc_mmuart_create(system_memory,
+        memmap[MICROCHIP_PFSOC_MMUART3].base,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART3_IRQ),
+        serial_hd(3));
+    s->serial4 = mchp_pfsoc_mmuart_create(system_memory,
+        memmap[MICROCHIP_PFSOC_MMUART4].base,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART4_IRQ),
+        serial_hd(4));
+
     /* eNVM */
     memory_region_init_rom(envm_data, OBJECT(dev), "microchip.pfsoc.envm.data",
                            memmap[MICROCHIP_PFSOC_ENVM_DATA].size,
diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig
index 3292fae..ceb7c16 100644
--- a/hw/riscv/Kconfig
+++ b/hw/riscv/Kconfig
@@ -54,3 +54,4 @@  config MICROCHIP_PFSOC
     select HART
     select SIFIVE
     select UNIMP
+    select MCHP_PFSOC_MMUART