lib: utils/timer: Add FDT based ACLINT MTIMER driver

We add a new FDT based ACLINT MTIMER driver which works for
both CLINT device and standalone ACLINT MTIMER device.

Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Xiang W <[email protected]>

1 files changed, 0 insertions, 57 deletions

diff --git a/lib/utils/timer/fdt_timer_clint.c b/lib/utils/timer/fdt_timer_clint.c
deleted file mode 100644
index 63d6586b..00000000
--- a/lib/utils/timer/fdt_timer_clint.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2020 Western Digital Corporation or its affiliates.
- *
- * Authors:
- *   Anup Patel <[email protected]>
- */
-
-#include <libfdt.h>
-#include <sbi/sbi_error.h>
-#include <sbi_utils/fdt/fdt_helper.h>
-#include <sbi_utils/timer/fdt_timer.h>
-#include <sbi_utils/sys/clint.h>
-
-#define CLINT_TIMER_MAX_NR			16
-
-static unsigned long clint_timer_count = 0;
-static struct clint_data clint_timer[CLINT_TIMER_MAX_NR];
-
-static int timer_clint_cold_init(void *fdt, int nodeoff,
-				  const struct fdt_match *match)
-{
-	int rc;
-	unsigned long ctsize;
-	struct clint_data *ct, *ctmaster = NULL;
-
-	if (CLINT_TIMER_MAX_NR <= clint_timer_count)
-		return SBI_ENOSPC;
-	ct = &clint_timer[clint_timer_count++];
-	if (1 < clint_timer_count)
-		ctmaster = &clint_timer[0];
-
-	rc = fdt_parse_aclint_node(fdt, nodeoff, true, &ct->addr, &ctsize,
-				   &ct->first_hartid, &ct->hart_count);
-	if (rc)
-		return rc;
-
-	ct->has_64bit_mmio = true;
-	if (fdt_getprop(fdt, nodeoff, "clint,has-no-64bit-mmio", &rc))
-		ct->has_64bit_mmio = false;
-
-	return clint_cold_timer_init(ct, ctmaster);
-}
-
-static const struct fdt_match timer_clint_match[] = {
-	{ .compatible = "riscv,clint0" },
-	{ .compatible = "sifive,clint0" },
-	{ },
-};
-
-struct fdt_timer fdt_timer_clint = {
-	.match_table = timer_clint_match,
-	.cold_init = timer_clint_cold_init,
-	.warm_init = clint_warm_timer_init,
-	.exit = NULL,
-};