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juno: Increase L2RAM wait state to support higher cluster frequencies 

Change-Id: I7f1fb4ed01ed73de1196ca17ed6fc1524478ec75
This commit is contained in:
Sandrine Bailleux 2014-05-09 10:04:08 +01:00
parent a21185832f
commit 33ce14f04f
1 changed files with 9 additions and 2 deletions
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11
arch/aarch64/cpu/cpu_helpers.S
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@ -46,12 +46,19 @@ cpu_reset_handler: ; .type cpu_reset_handler, %function
lsr x0, x0, #MIDR_PN_SHIFT lsr x0, x0, #MIDR_PN_SHIFT
and x0, x0, #MIDR_PN_MASK and x0, x0, #MIDR_PN_MASK
cmp x0, #MIDR_PN_A57 cmp x0, #MIDR_PN_A57
b.eq smp_setup_begin b.eq a57_setup_begin
cmp x0, #MIDR_PN_A53 cmp x0, #MIDR_PN_A53
b.ne smp_setup_end b.eq smp_setup_begin
b smp_setup_end
a57_setup_begin:
mov x0, #0x082
msr s3_1_c11_c0_2, x0
smp_setup_begin: smp_setup_begin:
bl read_cpuectlr bl read_cpuectlr
orr x0, x0, #CPUECTLR_SMP_BIT orr x0, x0, #CPUECTLR_SMP_BIT
bl write_cpuectlr bl write_cpuectlr
smp_setup_end: smp_setup_end:
ret x19 ret x19