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authorDavid S. Miller <davem@davemloft.net>2020-08-23 11:48:27 -0700
committerDavid S. Miller <davem@davemloft.net>2020-08-23 11:48:27 -0700
commit7611cbb900b4b9a6fe5eca12fb12645c0576a015 (patch)
tree9c8c8e1fa991e4728d25a19b86c974c8e49ee1b7 /arch/riscv/kernel/clint.c
parentd7223aa5867134b9923b42e1245801bd790a1d8c (diff)
parentcb95712138ec5e480db5160b41172bbc6f6494cc (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'arch/riscv/kernel/clint.c')
-rw-r--r--arch/riscv/kernel/clint.c44
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/riscv/kernel/clint.c b/arch/riscv/kernel/clint.c
deleted file mode 100644
index 3647980d14c3..000000000000
--- a/arch/riscv/kernel/clint.c
+++ /dev/null
@@ -1,44 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2019 Christoph Hellwig.
- */
-
-#include <linux/io.h>
-#include <linux/of_address.h>
-#include <linux/types.h>
-#include <asm/clint.h>
-#include <asm/csr.h>
-#include <asm/timex.h>
-#include <asm/smp.h>
-
-/*
- * This is the layout used by the SiFive clint, which is also shared by the qemu
- * virt platform, and the Kendryte KD210 at least.
- */
-#define CLINT_IPI_OFF 0
-#define CLINT_TIME_CMP_OFF 0x4000
-#define CLINT_TIME_VAL_OFF 0xbff8
-
-u32 __iomem *clint_ipi_base;
-
-void clint_init_boot_cpu(void)
-{
- struct device_node *np;
- void __iomem *base;
-
- np = of_find_compatible_node(NULL, NULL, "riscv,clint0");
- if (!np) {
- panic("clint not found");
- return;
- }
-
- base = of_iomap(np, 0);
- if (!base)
- panic("could not map CLINT");
-
- clint_ipi_base = base + CLINT_IPI_OFF;
- riscv_time_cmp = base + CLINT_TIME_CMP_OFF;
- riscv_time_val = base + CLINT_TIME_VAL_OFF;
-
- clint_clear_ipi(boot_cpu_hartid);
-}