aboutsummaryrefslogtreecommitdiff
path: root/platform/qemu/virt/platform.c
diff options
context:
space:
mode:
Diffstat (limited to 'platform/qemu/virt/platform.c')
-rw-r--r--platform/qemu/virt/platform.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/platform/qemu/virt/platform.c b/platform/qemu/virt/platform.c
deleted file mode 100644
index 7836bee..0000000
--- a/platform/qemu/virt/platform.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2019 Western Digital Corporation or its affiliates.
- *
- * Authors:
- * Anup Patel <anup.patel@wdc.com>
- * Nick Kossifidis <mick@ics.forth.gr>
- */
-
-#include <sbi/riscv_asm.h>
-#include <sbi/riscv_encoding.h>
-#include <sbi/riscv_io.h>
-#include <sbi/sbi_const.h>
-#include <sbi/sbi_hart.h>
-#include <sbi/sbi_platform.h>
-#include <sbi_utils/fdt/fdt_fixup.h>
-#include <sbi_utils/irqchip/plic.h>
-#include <sbi_utils/serial/uart8250.h>
-#include <sbi_utils/sys/clint.h>
-#include <sbi_utils/sys/sifive_test.h>
-
-/* clang-format off */
-
-#define VIRT_HART_COUNT 8
-
-#define VIRT_TEST_ADDR 0x100000
-
-#define VIRT_CLINT_ADDR 0x2000000
-
-#define VIRT_PLIC_ADDR 0xc000000
-#define VIRT_PLIC_NUM_SOURCES 127
-#define VIRT_PLIC_NUM_PRIORITIES 7
-
-#define VIRT_UART16550_ADDR 0x10000000
-#define VIRT_UART_BAUDRATE 115200
-#define VIRT_UART_SHIFTREG_ADDR 1843200
-
-/* clang-format on */
-
-static int virt_early_init(bool cold_boot)
-{
- if (!cold_boot)
- return 0;
-
- return sifive_test_init(VIRT_TEST_ADDR);
-}
-
-static int virt_final_init(bool cold_boot)
-{
- void *fdt;
-
- if (!cold_boot)
- return 0;
-
- fdt = sbi_scratch_thishart_arg1_ptr();
- fdt_fixups(fdt);
-
- return 0;
-}
-
-static int virt_console_init(void)
-{
- return uart8250_init(VIRT_UART16550_ADDR, VIRT_UART_SHIFTREG_ADDR,
- VIRT_UART_BAUDRATE, 0, 1);
-}
-
-static int virt_irqchip_init(bool cold_boot)
-{
- int rc;
- u32 hartid = current_hartid();
-
- if (cold_boot) {
- rc = plic_cold_irqchip_init(
- VIRT_PLIC_ADDR, VIRT_PLIC_NUM_SOURCES, VIRT_HART_COUNT);
- if (rc)
- return rc;
- }
-
- return plic_warm_irqchip_init(hartid, (2 * hartid), (2 * hartid + 1));
-}
-
-static int virt_ipi_init(bool cold_boot)
-{
- int rc;
-
- if (cold_boot) {
- rc = clint_cold_ipi_init(VIRT_CLINT_ADDR, VIRT_HART_COUNT);
- if (rc)
- return rc;
- }
-
- return clint_warm_ipi_init();
-}
-
-static int virt_timer_init(bool cold_boot)
-{
- int rc;
-
- if (cold_boot) {
- rc = clint_cold_timer_init(VIRT_CLINT_ADDR,
- VIRT_HART_COUNT, TRUE);
- if (rc)
- return rc;
- }
-
- return clint_warm_timer_init();
-}
-
-const struct sbi_platform_operations platform_ops = {
- .early_init = virt_early_init,
- .final_init = virt_final_init,
- .console_putc = uart8250_putc,
- .console_getc = uart8250_getc,
- .console_init = virt_console_init,
- .irqchip_init = virt_irqchip_init,
- .ipi_send = clint_ipi_send,
- .ipi_clear = clint_ipi_clear,
- .ipi_init = virt_ipi_init,
- .timer_value = clint_timer_value,
- .timer_event_stop = clint_timer_event_stop,
- .timer_event_start = clint_timer_event_start,
- .timer_init = virt_timer_init,
- .system_reset = sifive_test_system_reset,
-};
-
-const struct sbi_platform platform = {
- .opensbi_version = OPENSBI_VERSION,
- .platform_version = SBI_PLATFORM_VERSION(0x0, 0x01),
- .name = "QEMU Virt Machine",
- .features = SBI_PLATFORM_DEFAULT_FEATURES,
- .hart_count = VIRT_HART_COUNT,
- .hart_stack_size = SBI_PLATFORM_DEFAULT_HART_STACK_SIZE,
- .platform_ops_addr = (unsigned long)&platform_ops
-};