diff options
| author | Priyanka Jain <priyanka.jain@nxp.com> | 2016-11-17 12:29:51 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2016-11-22 11:37:07 -0800 |
| commit | f6a70b3a92d07cf99d83c57fd9856312d8ab2807 (patch) | |
| tree | ba38a1c60c9cda749f42d51957c15638ba5e09cb /arch/arm/cpu/armv8/fsl-layerscape | |
| parent | 40836e215a06d435333422b2c64fa1c01f0c4f82 (diff) | |
armv8: lsch3: Add generic get_svr() in assembly
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index 0b516e37d7..e304870198 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -306,12 +306,14 @@ u32 fsl_qoriq_core_to_type(unsigned int core) return -1; /* cannot identify the cluster */ } +#ifndef CONFIG_FSL_LSCH3 uint get_svr(void) { struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); return gur_in32(&gur->svr); } +#endif #ifdef CONFIG_DISPLAY_CPUINFO int print_cpuinfo(void) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S index 5700b1fb65..6ff47b0e06 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S +++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S @@ -13,6 +13,9 @@ #ifdef CONFIG_MP #include <asm/arch/mp.h> #endif +#ifdef CONFIG_FSL_LSCH3 +#include <asm/arch-fsl-layerscape/immap_lsch3.h> +#endif ENTRY(lowlevel_init) mov x29, lr /* Save LR */ @@ -199,6 +202,12 @@ ENTRY(lowlevel_init) ENDPROC(lowlevel_init) #ifdef CONFIG_FSL_LSCH3 + .globl get_svr +get_svr: + ldr x1, =FSL_LSCH3_SVR + ldr w0, [x1] + ret + hnf_pstate_poll: /* x0 has the desired status, return 0 for success, 1 for timeout * clobber x1, x2, x3, x4, x6, x7 |