platform: Remove sifive/fu540 platform

Now that SiFive HiFive Unleashed board is using the generic platform
support in OpenSBI, let's remove the old non-generic one.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

4 files changed, 0 insertions, 227 deletions

diff --git a/platform/sifive/fu540/config.mk b/platform/sifive/fu540/config.mk
deleted file mode 100644
index 23169b1..0000000
--- a/platform/sifive/fu540/config.mk
+++ /dev/null
@@ -1,40 +0,0 @@
-#
-# SPDX-License-Identifier: BSD-2-Clause
-#
-# Copyright (c) 2019 Western Digital Corporation or its affiliates.
-#
-# Authors:
-#   Atish Patra <atish.patra@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 -bios $(build_dir)/platform/sifive/fu540/firmware/fw_payload.elf
-
-# Blobs to build
-FW_TEXT_START=0x80000000
-FW_DYNAMIC=y
-FW_JUMP=y
-ifeq ($(PLATFORM_RISCV_XLEN), 32)
-  # This needs to be 4MB aligned for 32-bit system
-  FW_JUMP_ADDR=0x80400000
-else
-  # This needs to be 2MB aligned for 64-bit system
-  FW_JUMP_ADDR=0x80200000
-endif
-FW_JUMP_FDT_ADDR=0x88000000
-FW_PAYLOAD=y
-ifeq ($(PLATFORM_RISCV_XLEN), 32)
-  # This needs to be 4MB aligned for 32-bit system
-  FW_PAYLOAD_OFFSET=0x400000
-else
-  # This needs to be 2MB aligned for 64-bit system
-  FW_PAYLOAD_OFFSET=0x200000
-endif
-FW_PAYLOAD_FDT_ADDR=0x88000000
diff --git a/platform/sifive/fu540/objects.mk b/platform/sifive/fu540/objects.mk
deleted file mode 100644
index e0d0585..0000000
--- a/platform/sifive/fu540/objects.mk
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# SPDX-License-Identifier: BSD-2-Clause
-#
-# Copyright (c) 2019 Western Digital Corporation or its affiliates.
-#
-# Authors:
-#   Atish Patra <atish.patra@wdc.com>
-#
-
-platform-objs-y += platform.o
diff --git a/platform/sifive/fu540/platform.c b/platform/sifive/fu540/platform.c
deleted file mode 100644
index a17034d..0000000
--- a/platform/sifive/fu540/platform.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2019 Western Digital Corporation or its affiliates.
- *
- * Authors:
- *   Atish Patra <atish.patra@wdc.com>
- */
-
-#include <libfdt.h>
-#include <sbi/riscv_asm.h>
-#include <sbi/riscv_io.h>
-#include <sbi/riscv_encoding.h>
-#include <sbi/sbi_console.h>
-#include <sbi/sbi_const.h>
-#include <sbi/sbi_platform.h>
-#include <sbi_utils/fdt/fdt_fixup.h>
-#include <sbi_utils/irqchip/plic.h>
-#include <sbi_utils/serial/sifive-uart.h>
-#include <sbi_utils/sys/clint.h>
-
-/* clang-format off */
-
-#define FU540_HART_COUNT			5
-
-#define FU540_SYS_CLK				1000000000
-
-#define FU540_CLINT_ADDR			0x2000000
-
-#define FU540_PLIC_ADDR				0xc000000
-#define FU540_PLIC_NUM_SOURCES			0x35
-#define FU540_PLIC_NUM_PRIORITIES		7
-
-#define FU540_UART0_ADDR			0x10010000
-#define FU540_UART1_ADDR			0x10011000
-#define FU540_UART_BAUDRATE			115200
-
-/* PRCI clock related macros */
-//TODO: Do we need a separate driver for this ?
-#define FU540_PRCI_BASE_ADDR			0x10000000
-#define FU540_PRCI_CLKMUXSTATUSREG		0x002C
-#define FU540_PRCI_CLKMUX_STATUS_TLCLKSEL	(0x1 << 1)
-
-/* Full tlb flush always */
-#define FU540_TLB_RANGE_FLUSH_LIMIT		0
-
-/* clang-format on */
-
-static struct plic_data plic = {
-	.addr = FU540_PLIC_ADDR,
-	.num_src = FU540_PLIC_NUM_SOURCES,
-};
-
-static struct clint_data clint = {
-	.addr = FU540_CLINT_ADDR,
-	.first_hartid = 0,
-	.hart_count = FU540_HART_COUNT,
-	.has_64bit_mmio = TRUE,
-};
-
-static void fu540_modify_dt(void *fdt)
-{
-	fdt_cpu_fixup(fdt);
-
-	fdt_fixups(fdt);
-
-	/*
-	 * SiFive Freedom U540 has an erratum that prevents S-mode software
-	 * to access a PMP protected region using 1GB page table mapping, so
-	 * always add the no-map attribute on this platform.
-	 */
-	fdt_reserved_memory_nomap_fixup(fdt);
-}
-
-static int fu540_final_init(bool cold_boot)
-{
-	void *fdt;
-
-	if (!cold_boot)
-		return 0;
-
-	fdt = sbi_scratch_thishart_arg1_ptr();
-	fu540_modify_dt(fdt);
-
-	return 0;
-}
-
-static int fu540_console_init(void)
-{
-	unsigned long peri_in_freq;
-
-	if (readl((volatile void *)FU540_PRCI_BASE_ADDR +
-		  FU540_PRCI_CLKMUXSTATUSREG) &
-	    FU540_PRCI_CLKMUX_STATUS_TLCLKSEL) {
-		peri_in_freq = FU540_SYS_CLK;
-	} else {
-		peri_in_freq = FU540_SYS_CLK / 2;
-	}
-
-	return sifive_uart_init(FU540_UART0_ADDR, peri_in_freq,
-				FU540_UART_BAUDRATE);
-}
-
-static int fu540_irqchip_init(bool cold_boot)
-{
-	int rc;
-	u32 hartid = current_hartid();
-
-	if (cold_boot) {
-		rc = plic_cold_irqchip_init(&plic);
-		if (rc)
-			return rc;
-	}
-
-	return plic_warm_irqchip_init(&plic, (hartid) ? (2 * hartid - 1) : 0,
-				      (hartid) ? (2 * hartid) : -1);
-}
-
-static int fu540_ipi_init(bool cold_boot)
-{
-	int rc;
-
-	if (cold_boot) {
-		rc = clint_cold_ipi_init(&clint);
-		if (rc)
-			return rc;
-	}
-
-	return clint_warm_ipi_init();
-}
-
-static u64 fu540_get_tlbr_flush_limit(void)
-{
-	return FU540_TLB_RANGE_FLUSH_LIMIT;
-}
-
-static int fu540_timer_init(bool cold_boot)
-{
-	int rc;
-
-	if (cold_boot) {
-		rc = clint_cold_timer_init(&clint, NULL);
-		if (rc)
-			return rc;
-	}
-
-	return clint_warm_timer_init();
-}
-
-static u32 fu540_hart_index2id[FU540_HART_COUNT - 1] = {
-	[0] = 1,
-	[1] = 2,
-	[2] = 3,
-	[3] = 4,
-};
-
-const struct sbi_platform_operations platform_ops = {
-	.final_init		= fu540_final_init,
-	.console_init		= fu540_console_init,
-	.irqchip_init		= fu540_irqchip_init,
-	.ipi_init		= fu540_ipi_init,
-	.get_tlbr_flush_limit	= fu540_get_tlbr_flush_limit,
-	.timer_init		= fu540_timer_init,
-};
-
-const struct sbi_platform platform = {
-	.opensbi_version	= OPENSBI_VERSION,
-	.platform_version	= SBI_PLATFORM_VERSION(0x0, 0x01),
-	.name			= "SiFive Freedom U540",
-	.features		= SBI_PLATFORM_DEFAULT_FEATURES,
-	.hart_count		= (FU540_HART_COUNT - 1),
-	.hart_index2id		= fu540_hart_index2id,
-	.hart_stack_size	= SBI_PLATFORM_DEFAULT_HART_STACK_SIZE,
-	.platform_ops_addr	= (unsigned long)&platform_ops
-};
diff --git a/scripts/create-binary-archive.sh b/scripts/create-binary-archive.sh
index a8bd335..43c5452 100755
--- a/scripts/create-binary-archive.sh
+++ b/scripts/create-binary-archive.sh
@@ -95,12 +95,10 @@ build_opensbi() {
 	case "${BUILD_RISCV_XLEN}" in
 	32)
 		# Setup 32-bit platform list
-		BUILD_PLATFORM_SUBDIR=("sifive/fu540")
 		BUILD_PLATFORM_SUBDIR+=("generic")
 		;;
 	64)
 		# Setup 64-bit platform list
-		BUILD_PLATFORM_SUBDIR=("sifive/fu540")
 		BUILD_PLATFORM_SUBDIR+=("nuclei/ux600")
 		BUILD_PLATFORM_SUBDIR+=("kendryte/k210")
 		BUILD_PLATFORM_SUBDIR+=("fpga/ariane")