3 files changed, 0 insertions, 208 deletions
diff --git a/platform/qemu/sifive_u/config.mk b/platform/qemu/sifive_u/config.mk
deleted file mode 100644
index f66a555..0000000
--- a/platform/qemu/sifive_u/config.mk
+++ /dev/null
@@ -1,40 +0,0 @@
-#
-# SPDX-License-Identifier: BSD-2-Clause
-#
-# Copyright (c) 2019 Western Digital Corporation or its affiliates.
-#
-# Authors:
-#   Anup Patel <anup.patel@wdc.com>
-#
-
-# Compiler flags
-platform-cppflags-y =
-platform-cflags-y =
-platform-asflags-y =
-platform-ldflags-y =
-
-# Command for platform specific "make run"
-platform-runcmd = qemu-system-riscv$(PLATFORM_RISCV_XLEN) -M sifive_u -m 256M \
-  -nographic -kernel $(build_dir)/platform/qemu/sifive_u/firmware/fw_payload.elf
-
-# Blobs to build
-FW_TEXT_START=0x80000000
-FW_DYNAMIC=y
-FW_JUMP=y
-ifeq ($(PLATFORM_RISCV_XLEN), 32)
-  # This needs to be 4MB alligned for 32-bit system
-  FW_JUMP_ADDR=0x80400000
-else
-  # This needs to be 2MB alligned for 64-bit system
-  FW_JUMP_ADDR=0x80200000
-endif
-FW_JUMP_FDT_ADDR=0x82200000
-FW_PAYLOAD=y
-ifeq ($(PLATFORM_RISCV_XLEN), 32)
-  # This needs to be 4MB alligned for 32-bit system
-  FW_PAYLOAD_OFFSET=0x400000
-else
-  # This needs to be 2MB alligned for 64-bit system
-  FW_PAYLOAD_OFFSET=0x200000
-endif
-FW_PAYLOAD_FDT_ADDR=0x82200000
diff --git a/platform/qemu/sifive_u/objects.mk b/platform/qemu/sifive_u/objects.mk
deleted file mode 100644
index c382cbf..0000000
--- a/platform/qemu/sifive_u/objects.mk
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# SPDX-License-Identifier: BSD-2-Clause
-#
-# Copyright (c) 2019 Western Digital Corporation or its affiliates.
-#
-# Authors:
-#   Anup Patel <anup.patel@wdc.com>
-#
-
-platform-objs-y += platform.o
diff --git a/platform/qemu/sifive_u/platform.c b/platform/qemu/sifive_u/platform.c
deleted file mode 100644
index 47d6b23..0000000
--- a/platform/qemu/sifive_u/platform.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2019 Western Digital Corporation or its affiliates.
- *
- * Authors:
- *   Anup Patel <anup.patel@wdc.com>
- */
-
-#include <sbi/riscv_encoding.h>
-#include <sbi/sbi_const.h>
-#include <sbi/sbi_hart.h>
-#include <sbi/sbi_platform.h>
-#include <sbi_utils/irqchip/plic.h>
-#include <sbi_utils/serial/sifive-uart.h>
-#include <sbi_utils/sys/clint.h>
-
-/* clang-format off */
-
-#define SIFIVE_U_HART_COUNT			4
-#define SIFIVE_U_HART_STACK_SIZE		8192
-
-#define SIFIVE_U_SYS_CLK			1000000000
-#define SIFIVE_U_PERIPH_CLK			(SIFIVE_U_SYS_CLK / 2)
-
-#define SIFIVE_U_CLINT_ADDR			0x2000000
-
-#define SIFIVE_U_PLIC_ADDR			0xc000000
-#define SIFIVE_U_PLIC_NUM_SOURCES		0x35
-#define SIFIVE_U_PLIC_NUM_PRIORITIES		7
-
-#define SIFIVE_U_UART0_ADDR			0x10010000
-#define SIFIVE_U_UART1_ADDR			0x10011000
-
-/* clang-format on */
-
-static int sifive_u_final_init(bool cold_boot)
-{
-	void *fdt;
-
-	if (!cold_boot)
-		return 0;
-
-	fdt = sbi_scratch_thishart_arg1_ptr();
-	plic_fdt_fixup(fdt, "riscv,plic0");
-
-	return 0;
-}
-
-static u32 sifive_u_pmp_region_count(u32 hartid)
-{
-	return 1;
-}
-
-static int sifive_u_pmp_region_info(u32 hartid, u32 index, ulong *prot,
-				    ulong *addr, ulong *log2size)
-{
-	int ret = 0;
-
-	switch (index) {
-	case 0:
-		*prot	  = PMP_R | PMP_W | PMP_X;
-		*addr	  = 0;
-		*log2size = __riscv_xlen;
-		break;
-	default:
-		ret = -1;
-		break;
-	};
-
-	return ret;
-}
-
-static int sifive_u_console_init(void)
-{
-	return sifive_uart_init(SIFIVE_U_UART0_ADDR, SIFIVE_U_PERIPH_CLK,
-				115200);
-}
-
-static int sifive_u_irqchip_init(bool cold_boot)
-{
-	int rc;
-	u32 hartid = sbi_current_hartid();
-
-	if (cold_boot) {
-		rc = plic_cold_irqchip_init(SIFIVE_U_PLIC_ADDR,
-					    SIFIVE_U_PLIC_NUM_SOURCES,
-					    SIFIVE_U_HART_COUNT);
-		if (rc)
-			return rc;
-	}
-
-	return plic_warm_irqchip_init(hartid, (2 * hartid), (2 * hartid + 1));
-}
-
-static int sifive_u_ipi_init(bool cold_boot)
-{
-	int rc;
-
-	if (cold_boot) {
-		rc = clint_cold_ipi_init(SIFIVE_U_CLINT_ADDR,
-					 SIFIVE_U_HART_COUNT);
-		if (rc)
-			return rc;
-	}
-
-	return clint_warm_ipi_init();
-}
-
-static int sifive_u_timer_init(bool cold_boot)
-{
-	int rc;
-
-	if (cold_boot) {
-		rc = clint_cold_timer_init(SIFIVE_U_CLINT_ADDR,
-					   SIFIVE_U_HART_COUNT, TRUE);
-		if (rc)
-			return rc;
-	}
-
-	return clint_warm_timer_init();
-}
-
-static int sifive_u_system_down(u32 type)
-{
-	/* For now nothing to do. */
-	return 0;
-}
-
-const struct sbi_platform_operations platform_ops = {
-	.pmp_region_count	= sifive_u_pmp_region_count,
-	.pmp_region_info	= sifive_u_pmp_region_info,
-	.final_init		= sifive_u_final_init,
-	.console_putc		= sifive_uart_putc,
-	.console_getc		= sifive_uart_getc,
-	.console_init		= sifive_u_console_init,
-	.irqchip_init		= sifive_u_irqchip_init,
-	.ipi_send		= clint_ipi_send,
-	.ipi_clear		= clint_ipi_clear,
-	.ipi_init		= sifive_u_ipi_init,
-	.timer_value		= clint_timer_value,
-	.timer_event_stop	= clint_timer_event_stop,
-	.timer_event_start	= clint_timer_event_start,
-	.timer_init		= sifive_u_timer_init,
-	.system_reboot		= sifive_u_system_down,
-	.system_shutdown	= sifive_u_system_down
-};
-
-const struct sbi_platform platform = {
-	.opensbi_version	= OPENSBI_VERSION,
-	.platform_version	= SBI_PLATFORM_VERSION(0x0, 0x01),
-	.name			= "QEMU SiFive Unleashed",
-	.features		= SBI_PLATFORM_DEFAULT_FEATURES,
-	.hart_count		= SIFIVE_U_HART_COUNT,
-	.hart_stack_size	= SIFIVE_U_HART_STACK_SIZE,
-	.disabled_hart_mask	= 0,
-	.platform_ops_addr	= (unsigned long)&platform_ops
-};