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 <dingtao0430@163.com> Reviewed-by: Junze Cao <caojunze424@gmail.com> Reviewed-by: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com> Message-ID: <20260808062227.66961-6-dingtao0430@163.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Tao Ding committed
Aug 8, 2026 at 14:22 UTC
096ead3195a6739e6ecf51cc5781018302568e83
3 files changed
+22
-4
hw/riscv/Kconfig
+1
@@ -163,3 +163,4 @@ config K230
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select UNIMP
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select K230_WDT
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select K230_GSDMA
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+ select K230_DECOMP_GZIP
hw/riscv/k230.c
+19
-4
@@ -117,6 +117,8 @@ static void k230_soc_init(Object *obj)
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object_initialize_child(obj, "k230-wdt0", &s->wdt[0], TYPE_K230_WDT);
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object_initialize_child(obj, "k230-wdt1", &s->wdt[1], TYPE_K230_WDT);
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object_initialize_child(obj, "k230-gsdma", &s->gsdma, TYPE_K230_GSDMA);
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+ object_initialize_child(obj, "k230-decomp-gzip", &s->decomp_gzip,
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+ TYPE_K230_DECOMP_GZIP);
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qdev_prop_set_uint32(DEVICE(cpu0), "hartid-base", 0);
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qdev_prop_set_string(DEVICE(cpu0), "cpu-type", TYPE_RISCV_CPU_THEAD_C908);
@@ -231,6 +233,23 @@ static void k230_soc_realize(DeviceState *dev, Error **errp)
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->gsdma), 0,
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qdev_get_gpio_in(DEVICE(s->c908_plic), K230_GSDMA_IRQ));
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+ /* Decomp gzip */
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+ qdev_prop_set_uint64(DEVICE(&s->decomp_gzip), "sram-base",
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+ memmap[K230_DEV_SRAM].base);
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+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->decomp_gzip), errp)) {
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+ return;
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+ }
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+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->decomp_gzip), 0,
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+ memmap[K230_DEV_DECOMP_GZIP].base);
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+ for (int i = 0; i < K230_DECOMP_GZIP_NUM_GPIOS_OUT; i++) {
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+ qdev_connect_gpio_out(DEVICE(&s->decomp_gzip), i,
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+ qdev_get_gpio_in(DEVICE(&s->gsdma), i));
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+ }
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+ for (int i = 0; i < K230_DECOMP_GZIP_NUM_GPIOS_IN; i++) {
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+ qdev_connect_gpio_out(DEVICE(&s->gsdma), i,
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+ qdev_get_gpio_in(DEVICE(&s->decomp_gzip), i));
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+ }
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+
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/* unimplemented devices */
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create_unimplemented_device("kpu.l2-cache",
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memmap[K230_DEV_KPU_L2_CACHE].base,
@@ -249,10 +268,6 @@ static void k230_soc_realize(DeviceState *dev, Error **errp)
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create_unimplemented_device("dma", memmap[K230_DEV_DMA].base,
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memmap[K230_DEV_DMA].size);
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- create_unimplemented_device("decomp-gzip",
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- memmap[K230_DEV_DECOMP_GZIP].base,
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- memmap[K230_DEV_DECOMP_GZIP].size);
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-
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create_unimplemented_device("2d-engine.non-ai",
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memmap[K230_DEV_NON_AI_2D].base,
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memmap[K230_DEV_NON_AI_2D].size);
include/hw/riscv/k230.h
+2
@@ -20,6 +20,7 @@
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#include "hw/riscv/riscv_hart.h"
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#include "hw/watchdog/k230_wdt.h"
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#include "hw/dma/k230_gsdma.h"
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+#include "hw/misc/k230_decomp_gzip.h"
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#define C908_CPU_HARTID (0)
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@@ -38,6 +39,7 @@ typedef struct K230SoCState {
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K230DDRPhyState ddr_phy;
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K230WdtState wdt[2];
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K230GSDMAState gsdma;
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+ K230DecompGzipState decomp_gzip;
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MemoryRegion sram;
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MemoryRegion bootrom;
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