diff options
Diffstat (limited to 'target/linux/bmips/patches-5.15/204-mips-bmips-enable-RAC-on-BMIPS4350.patch')
| -rw-r--r-- | target/linux/bmips/patches-5.15/204-mips-bmips-enable-RAC-on-BMIPS4350.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/target/linux/bmips/patches-5.15/204-mips-bmips-enable-RAC-on-BMIPS4350.patch b/target/linux/bmips/patches-5.15/204-mips-bmips-enable-RAC-on-BMIPS4350.patch deleted file mode 100644 index 26bd03e329..0000000000 --- a/target/linux/bmips/patches-5.15/204-mips-bmips-enable-RAC-on-BMIPS4350.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 7f862eaedac56b67972393f0a9affcd2fe53479b Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Daniel=20Gonz=C3=A1lez=20Cabanelas?= <dgcbueu@gmail.com> -Date: Sun, 18 Jun 2023 19:59:25 +0200 -Subject: [PATCH] mips: bmips: enable RAC on BMIPS4350 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The data RAC is left disabled by the bootloader in some SoCs, at least in -the core it boots from. -Enabling this feature increases the performance up to +30% depending on the -task. - -Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com> -Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> ---- - arch/mips/kernel/smp-bmips.c | 14 ++++++++++++++ - 1 file changed, 14 insertions(+) - ---- a/arch/mips/kernel/smp-bmips.c -+++ b/arch/mips/kernel/smp-bmips.c -@@ -614,6 +614,20 @@ void bmips_cpu_setup(void) - __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE); - break; - -+ case CPU_BMIPS4350: -+ /* Enable data RAC */ -+ if (!(read_c0_brcm_cmt_local() & (1 << 31))) { -+ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); -+ __raw_writel(cfg | 0xa, cbr + BMIPS_RAC_CONFIG); -+ __raw_readl(cbr + BMIPS_RAC_CONFIG); -+ } else { -+ cbr = (void __iomem *)0xff400000; -+ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG_1); -+ __raw_writel(cfg | 0xa, cbr + BMIPS_RAC_CONFIG_1); -+ __raw_readl(cbr + BMIPS_RAC_CONFIG_1); -+ } -+ break; -+ - case CPU_BMIPS4380: - /* CBG workaround for early BMIPS4380 CPUs */ - switch (read_c0_prid()) { |