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-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S2
-rw-r--r--arch/arm/cpu/armv8/start.S6
-rw-r--r--arch/arm/include/asm/macro.h29
-rw-r--r--arch/arm/mach-rmobile/lowlevel_init_gen3.S2
-rw-r--r--arch/arm/mach-socfpga/lowlevel_init_soc64.S2
-rw-r--r--board/cortina/presidio-asic/lowlevel_init.S2
6 files changed, 15 insertions, 28 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
index 0929c58..2fb4e40 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
@@ -200,7 +200,7 @@ ENTRY(lowlevel_init)
#endif
100:
- branch_if_master x0, x1, 2f
+ branch_if_master x0, 2f
#if defined(CONFIG_MP) && defined(CONFIG_ARMV8_MULTIENTRY)
/*
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
index e1461f2..6a6a4f8 100644
--- a/arch/arm/cpu/armv8/start.S
+++ b/arch/arm/cpu/armv8/start.S
@@ -175,11 +175,11 @@ pie_fixup_done:
bl lowlevel_init
#if defined(CONFIG_ARMV8_SPIN_TABLE) && !defined(CONFIG_SPL_BUILD)
- branch_if_master x0, x1, master_cpu
+ branch_if_master x0, master_cpu
b spin_table_secondary_jump
/* never return */
#elif defined(CONFIG_ARMV8_MULTIENTRY)
- branch_if_master x0, x1, master_cpu
+ branch_if_master x0, master_cpu
/*
* Slave CPUs
@@ -305,7 +305,7 @@ WEAK(lowlevel_init)
#endif
#ifdef CONFIG_ARMV8_MULTIENTRY
- branch_if_master x0, x1, 2f
+ branch_if_master x0, 2f
/*
* Slave should wait for master clearing spin table.
diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index acd5190..1a1edc9 100644
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -121,19 +121,10 @@ lr .req x30
*/
.macro branch_if_slave, xreg, slave_label
#ifdef CONFIG_ARMV8_MULTIENTRY
- /* NOTE: MPIDR handling will be erroneous on multi-cluster machines */
mrs \xreg, mpidr_el1
- tst \xreg, #0xff /* Test Affinity 0 */
- b.ne \slave_label
- lsr \xreg, \xreg, #8
- tst \xreg, #0xff /* Test Affinity 1 */
- b.ne \slave_label
- lsr \xreg, \xreg, #8
- tst \xreg, #0xff /* Test Affinity 2 */
- b.ne \slave_label
- lsr \xreg, \xreg, #16
- tst \xreg, #0xff /* Test Affinity 3 */
- b.ne \slave_label
+ and \xreg, \xreg, 0xffffffffff /* clear bits [63:40] */
+ and \xreg, \xreg, ~0x00ff000000 /* also clear bits [31:24] */
+ cbnz \xreg, \slave_label
#endif
.endm
@@ -141,16 +132,12 @@ lr .req x30
* Branch if current processor is a master,
* choose processor with all zero affinity value as the master.
*/
-.macro branch_if_master, xreg1, xreg2, master_label
+.macro branch_if_master, xreg, master_label
#ifdef CONFIG_ARMV8_MULTIENTRY
- /* NOTE: MPIDR handling will be erroneous on multi-cluster machines */
- mrs \xreg1, mpidr_el1
- lsr \xreg2, \xreg1, #32
- lsl \xreg2, \xreg2, #32
- lsl \xreg1, \xreg1, #40
- lsr \xreg1, \xreg1, #40
- orr \xreg1, \xreg1, \xreg2
- cbz \xreg1, \master_label
+ mrs \xreg, mpidr_el1
+ and \xreg, \xreg, 0xffffffffff /* clear bits [63:40] */
+ and \xreg, \xreg, ~0x00ff000000 /* also clear bits [31:24] */
+ cbz \xreg, \master_label
#else
b \master_label
#endif
diff --git a/arch/arm/mach-rmobile/lowlevel_init_gen3.S b/arch/arm/mach-rmobile/lowlevel_init_gen3.S
index 1df2c40..0d77800 100644
--- a/arch/arm/mach-rmobile/lowlevel_init_gen3.S
+++ b/arch/arm/mach-rmobile/lowlevel_init_gen3.S
@@ -64,7 +64,7 @@ ENTRY(lowlevel_init)
#endif
#endif
- branch_if_master x0, x1, 2f
+ branch_if_master x0, 2f
/*
* Slave should wait for master clearing spin table.
diff --git a/arch/arm/mach-socfpga/lowlevel_init_soc64.S b/arch/arm/mach-socfpga/lowlevel_init_soc64.S
index 612ea8a..875927c 100644
--- a/arch/arm/mach-socfpga/lowlevel_init_soc64.S
+++ b/arch/arm/mach-socfpga/lowlevel_init_soc64.S
@@ -38,7 +38,7 @@ slave_wait_atf:
#endif
#ifdef CONFIG_ARMV8_MULTIENTRY
- branch_if_master x0, x1, 2f
+ branch_if_master x0, 2f
/*
* Slave should wait for master clearing spin table.
diff --git a/board/cortina/presidio-asic/lowlevel_init.S b/board/cortina/presidio-asic/lowlevel_init.S
index 4450a5d..cbf8134 100644
--- a/board/cortina/presidio-asic/lowlevel_init.S
+++ b/board/cortina/presidio-asic/lowlevel_init.S
@@ -50,7 +50,7 @@ skip_smp_setup:
#endif
#ifdef CONFIG_ARMV8_MULTIENTRY
- branch_if_master x0, x1, 2f
+ branch_if_master x0, 2f
/*
* Slave should wait for master clearing spin table.