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-rw-r--r--hw/riscv/sifive_u.c22
-rw-r--r--include/hw/riscv/sifive_u.h4
2 files changed, 26 insertions, 0 deletions
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index e5682c38a9..55b3383c31 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -72,6 +72,7 @@ static const struct MemmapEntry {
[SIFIVE_U_DEBUG] = { 0x0, 0x100 },
[SIFIVE_U_MROM] = { 0x1000, 0xf000 },
[SIFIVE_U_CLINT] = { 0x2000000, 0x10000 },
+ [SIFIVE_U_L2CC] = { 0x2010000, 0x1000 },
[SIFIVE_U_L2LIM] = { 0x8000000, 0x2000000 },
[SIFIVE_U_PLIC] = { 0xc000000, 0x4000000 },
[SIFIVE_U_PRCI] = { 0x10000000, 0x1000 },
@@ -302,6 +303,24 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
qemu_fdt_setprop_string(fdt, nodename, "compatible", "gpio-restart");
g_free(nodename);
+ nodename = g_strdup_printf("/soc/cache-controller@%lx",
+ (long)memmap[SIFIVE_U_L2CC].base);
+ qemu_fdt_add_subnode(fdt, nodename);
+ qemu_fdt_setprop_cells(fdt, nodename, "reg",
+ 0x0, memmap[SIFIVE_U_L2CC].base,
+ 0x0, memmap[SIFIVE_U_L2CC].size);
+ qemu_fdt_setprop_cells(fdt, nodename, "interrupts",
+ SIFIVE_U_L2CC_IRQ0, SIFIVE_U_L2CC_IRQ1, SIFIVE_U_L2CC_IRQ2);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
+ qemu_fdt_setprop(fdt, nodename, "cache-unified", NULL, 0);
+ qemu_fdt_setprop_cell(fdt, nodename, "cache-size", 2097152);
+ qemu_fdt_setprop_cell(fdt, nodename, "cache-sets", 1024);
+ qemu_fdt_setprop_cell(fdt, nodename, "cache-level", 2);
+ qemu_fdt_setprop_cell(fdt, nodename, "cache-block-size", 64);
+ qemu_fdt_setprop_string(fdt, nodename, "compatible",
+ "sifive,fu540-c000-ccache");
+ g_free(nodename);
+
phy_phandle = phandle++;
nodename = g_strdup_printf("/soc/ethernet@%lx",
(long)memmap[SIFIVE_U_GEM].base);
@@ -733,6 +752,9 @@ static void sifive_u_soc_realize(DeviceState *dev, Error **errp)
create_unimplemented_device("riscv.sifive.u.dmc",
memmap[SIFIVE_U_DMC].base, memmap[SIFIVE_U_DMC].size);
+
+ create_unimplemented_device("riscv.sifive.u.l2cc",
+ memmap[SIFIVE_U_L2CC].base, memmap[SIFIVE_U_L2CC].size);
}
static Property sifive_u_soc_props[] = {
diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h
index aba4d0181f..d3c0c00d10 100644
--- a/include/hw/riscv/sifive_u.h
+++ b/include/hw/riscv/sifive_u.h
@@ -71,6 +71,7 @@ enum {
SIFIVE_U_DEBUG,
SIFIVE_U_MROM,
SIFIVE_U_CLINT,
+ SIFIVE_U_L2CC,
SIFIVE_U_L2LIM,
SIFIVE_U_PLIC,
SIFIVE_U_PRCI,
@@ -86,6 +87,9 @@ enum {
};
enum {
+ SIFIVE_U_L2CC_IRQ0 = 1,
+ SIFIVE_U_L2CC_IRQ1 = 2,
+ SIFIVE_U_L2CC_IRQ2 = 3,
SIFIVE_U_UART0_IRQ = 4,
SIFIVE_U_UART1_IRQ = 5,
SIFIVE_U_GPIO_IRQ0 = 7,