Module Name: src
Committed By: skrll
Date: Wed Jan 17 06:56:50 UTC 2024
Modified Files:
src/sys/arch/riscv/starfive: jh7100_clkc.c
Log Message:
Implement jh7100_clkc_fracdiv_get_rate
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/riscv/starfive/jh7100_clkc.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/riscv/starfive/jh7100_clkc.c
diff -u src/sys/arch/riscv/starfive/jh7100_clkc.c:1.1 src/sys/arch/riscv/starfive/jh7100_clkc.c:1.2
--- src/sys/arch/riscv/starfive/jh7100_clkc.c:1.1 Tue Jan 16 09:06:46 2024
+++ src/sys/arch/riscv/starfive/jh7100_clkc.c Wed Jan 17 06:56:50 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: jh7100_clkc.c,v 1.1 2024/01/16 09:06:46 skrll Exp $ */
+/* $NetBSD: jh7100_clkc.c,v 1.2 2024/01/17 06:56:50 skrll Exp $ */
/*-
* Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: jh7100_clkc.c,v 1.1 2024/01/16 09:06:46 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: jh7100_clkc.c,v 1.2 2024/01/17 06:56:50 skrll Exp $");
#include <sys/param.h>
@@ -395,9 +395,12 @@ jh7100_clkc_fracdiv_get_rate(struct jh71
if (rate == 0)
return 0;
- panic("Implement me");
+ uint32_t val = RD4(sc, jcc->jcc_reg);
+ unsigned long div100 =
+ 100UL * __SHIFTOUT(val, JH7100_CLK_INT_MASK) +
+ __SHIFTOUT(val, JH7100_CLK_FRAC_MASK);
- return rate;
+ return (div100 >= JH7100_CLK_FRAC_MIN) ? 100UL * rate / div100 : 0;
}
int
