[PATCH v3 5/7] hw/riscv: k230: add decomp gzip in K230 board

This commit replaces the unimplemented part of Decomp_gzip in K230.
Connect to the handshake interface of GSDMA.

Signed-off-by: Tao Ding <[email protected]>
Reviewed-by: Junze Cao <[email protected]>
Reviewed-by: Daniel Henrique Barboza <[email protected]>
---
 hw/riscv/Kconfig        |  1 +
 hw/riscv/k230.c         | 23 +++++++++++++++++++----
 include/hw/riscv/k230.h |  2 ++
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig
index d28ac06043..d06ac26648 100644
--- a/hw/riscv/Kconfig
+++ b/hw/riscv/Kconfig
@@ -163,3 +163,4 @@ config K230
     select UNIMP
     select K230_WDT
     select K230_GSDMA
+    select K230_DECOMP_GZIP
diff --git a/hw/riscv/k230.c b/hw/riscv/k230.c
index c80bd65694..7fd1ec4c25 100644
--- a/hw/riscv/k230.c
+++ b/hw/riscv/k230.c
@@ -111,6 +111,8 @@ static void k230_soc_init(Object *obj)
     object_initialize_child(obj, "k230-wdt0", &s->wdt[0], TYPE_K230_WDT);
     object_initialize_child(obj, "k230-wdt1", &s->wdt[1], TYPE_K230_WDT);
     object_initialize_child(obj, "k230-gsdma", &s->gsdma, TYPE_K230_GSDMA);
+    object_initialize_child(obj, "k230-decomp-gzip", &s->decomp_gzip,
+                            TYPE_K230_DECOMP_GZIP);
 
     qdev_prop_set_uint32(DEVICE(cpu0), "hartid-base", 0);
     qdev_prop_set_string(DEVICE(cpu0), "cpu-type", TYPE_RISCV_CPU_THEAD_C908);
@@ -215,6 +217,23 @@ static void k230_soc_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gsdma), 0,
                        qdev_get_gpio_in(DEVICE(s->c908_plic), K230_GSDMA_IRQ));
 
+    /* Decomp gzip */
+    qdev_prop_set_uint64(DEVICE(&s->decomp_gzip), "sram-base",
+                         memmap[K230_DEV_SRAM].base);
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->decomp_gzip), errp)) {
+        return;
+    }
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->decomp_gzip), 0,
+                    memmap[K230_DEV_DECOMP_GZIP].base);
+    for (int i = 0; i < K230_DECOMP_GZIP_NUM_GPIOS_OUT; i++) {
+        qdev_connect_gpio_out(DEVICE(&s->decomp_gzip), i,
+                              qdev_get_gpio_in(DEVICE(&s->gsdma), i));
+    }
+    for (int i = 0; i < K230_DECOMP_GZIP_NUM_GPIOS_IN; i++) {
+        qdev_connect_gpio_out(DEVICE(&s->gsdma), i,
+                              qdev_get_gpio_in(DEVICE(&s->decomp_gzip), i));
+    }
+
     /* unimplemented devices */
     create_unimplemented_device("kpu.l2-cache",
                                 memmap[K230_DEV_KPU_L2_CACHE].base,
@@ -233,10 +252,6 @@ static void k230_soc_realize(DeviceState *dev, Error **errp)
     create_unimplemented_device("dma", memmap[K230_DEV_DMA].base,
                                 memmap[K230_DEV_DMA].size);
 
-    create_unimplemented_device("decomp-gzip",
-                                memmap[K230_DEV_DECOMP_GZIP].base,
-                                memmap[K230_DEV_DECOMP_GZIP].size);
-
     create_unimplemented_device("2d-engine.non-ai",
                                 memmap[K230_DEV_NON_AI_2D].base,
                                 memmap[K230_DEV_NON_AI_2D].size);
diff --git a/include/hw/riscv/k230.h b/include/hw/riscv/k230.h
index 156a386edc..a12d36965a 100644
--- a/include/hw/riscv/k230.h
+++ b/include/hw/riscv/k230.h
@@ -19,6 +19,7 @@
 #include "hw/riscv/riscv_hart.h"
 #include "hw/watchdog/k230_wdt.h"
 #include "hw/dma/k230_gsdma.h"
+#include "hw/misc/k230_decomp_gzip.h"
 
 #define C908_CPU_HARTID   (0)
 
@@ -35,6 +36,7 @@ typedef struct K230SoCState {
 
     K230WdtState wdt[2];
     K230GSDMAState gsdma;
+    K230DecompGzipState decomp_gzip;
     MemoryRegion sram;
     MemoryRegion bootrom;
 
-- 
2.43.0