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author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-04-08 10:17:15 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-04-08 10:17:15 +0200 |
commit | c239b65fc2bc779343d7b8f0afd1c4cac1dd0beb (patch) | |
tree | 0f4cd6fb5cf7fae9f67d5eb7a95f24ecead54e35 /arch/arm/mach-layerscape/lowlevel.S | |
parent | 62e4a326f060853bb2ef0bb03c11f1b5bab2cdb9 (diff) | |
parent | 26b2a029e97369efbe1520fc3a7f2412ccb1baeb (diff) | |
download | barebox-c239b65fc2bc779343d7b8f0afd1c4cac1dd0beb.tar.gz barebox-c239b65fc2bc779343d7b8f0afd1c4cac1dd0beb.tar.xz |
Merge branch 'for-next/layerscape'
Diffstat (limited to 'arch/arm/mach-layerscape/lowlevel.S')
-rw-r--r-- | arch/arm/mach-layerscape/lowlevel.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-layerscape/lowlevel.S b/arch/arm/mach-layerscape/lowlevel.S new file mode 100644 index 0000000000..adb3e54367 --- /dev/null +++ b/arch/arm/mach-layerscape/lowlevel.S @@ -0,0 +1,18 @@ +#include <linux/linkage.h> + +.section .text.ls1046a_init_l2_latency +ENTRY(ls1046a_init_l2_latency) + /* Initialize the L2 RAM latency */ + mrs x1, S3_1_c11_c0_2 + mov x0, #0x1C7 + /* Clear L2 Tag RAM latency and L2 Data RAM latency */ + bic x1, x1, x0 + /* Set L2 data ram latency bits [2:0] */ + orr x1, x1, #0x2 + /* set L2 tag ram latency bits [8:6] */ + orr x1, x1, #0x80 + msr S3_1_c11_c0_2, x1 + isb + + ret +ENDPROC(ls1046a_init_l2_latency); |