From c49e42aba8e8471e30e0ee4d29f9871a4ba67ae9 Mon Sep 17 00:00:00 2001
From: Jayachandran C <jchandra@broadcom.com>
Date: Sun, 11 Aug 2013 14:43:57 +0530
Subject: 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>
---
arch/mips/netlogic/xlp/wakeup.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
(limited to 'arch/mips/netlogic/xlp/wakeup.c')
diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c
index 0cce37cbffef..682d5638dc01 100644
--- a/arch/mips/netlogic/xlp/wakeup.c
+++ b/arch/mips/netlogic/xlp/wakeup.c
@@ -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);
--
cgit