mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

MIPS: Netlogic: Core wakeup changes for XLP2XX 

On XLP2xx, wakeup code does not need to enable clock on the core.
Update xlp/wakeup.c to handle this.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5703/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jayachandran C 2013-08-11 14:43:57 +05:30 committed by Ralf Baechle
parent 57ceb4b020
commit c49e42aba8
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/mips/netlogic/xlp/wakeup.c
View File

@ -58,10 +58,12 @@ static int xlp_wakeup_core(uint64_t sysbase, int node, int core)
coremask = (1 << core);
/* Enable CPU clock */
value = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL);
value &= ~coremask;
nlm_write_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL, value);
/* Enable CPU clock in case of 8xx/3xx */
if (!cpu_is_xlpii()) {
value = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL);
value &= ~coremask;
nlm_write_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL, value);
}
/* Remove CPU Reset */
value = nlm_read_sys_reg(sysbase, SYS_CPU_RESET);