diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2016-10-31 19:09:34 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2016-11-30 20:54:25 +0100 |
| commit | c33a605dd6f36618f9f658e71c09fcdcb44fc500 (patch) | |
| tree | ac77c51dbe5bf8a8498600ca4da4cb4f46fc6656 /arch/arc | |
| parent | ARC: time: move time_init() out of the driver (diff) | |
| download | linux-c33a605dd6f36618f9f658e71c09fcdcb44fc500.tar.xz linux-c33a605dd6f36618f9f658e71c09fcdcb44fc500.zip | |
ARC: breakout aux handling into a separate header
ARC timers use aux registers for programming and this paves way for
moving ARC timer drivers into drivers/clocksource
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 85 | ||||
| -rw-r--r-- | arch/arc/include/asm/mcip.h | 2 |
2 files changed, 2 insertions, 85 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 1bd24ec3e350..7a2c36e83186 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -112,90 +112,7 @@ #ifndef __ASSEMBLY__ -/* - ****************************************************************** - * Inline ASM macros to read/write AUX Regs - * Essentially invocation of lr/sr insns from "C" - */ - -#if 1 - -#define read_aux_reg(reg) __builtin_arc_lr(reg) - -/* gcc builtin sr needs reg param to be long immediate */ -#define write_aux_reg(reg_immed, val) \ - __builtin_arc_sr((unsigned int)(val), reg_immed) - -#else - -#define read_aux_reg(reg) \ -({ \ - unsigned int __ret; \ - __asm__ __volatile__( \ - " lr %0, [%1]" \ - : "=r"(__ret) \ - : "i"(reg)); \ - __ret; \ -}) - -/* - * Aux Reg address is specified as long immediate by caller - * e.g. - * write_aux_reg(0x69, some_val); - * This generates tightest code. - */ -#define write_aux_reg(reg_imm, val) \ -({ \ - __asm__ __volatile__( \ - " sr %0, [%1] \n" \ - : \ - : "ir"(val), "i"(reg_imm)); \ -}) - -/* - * Aux Reg address is specified in a variable - * * e.g. - * reg_num = 0x69 - * write_aux_reg2(reg_num, some_val); - * This has to generate glue code to load the reg num from - * memory to a reg hence not recommended. - */ -#define write_aux_reg2(reg_in_var, val) \ -({ \ - unsigned int tmp; \ - \ - __asm__ __volatile__( \ - " ld %0, [%2] \n\t" \ - " sr %1, [%0] \n\t" \ - : "=&r"(tmp) \ - : "r"(val), "memory"(®_in_var)); \ -}) - -#endif - -#define READ_BCR(reg, into) \ -{ \ - unsigned int tmp; \ - tmp = read_aux_reg(reg); \ - if (sizeof(tmp) == sizeof(into)) { \ - into = *((typeof(into) *)&tmp); \ - } else { \ - extern void bogus_undefined(void); \ - bogus_undefined(); \ - } \ -} - -#define WRITE_AUX(reg, into) \ -{ \ - unsigned int tmp; \ - if (sizeof(tmp) == sizeof(into)) { \ - tmp = (*(unsigned int *)&(into)); \ - write_aux_reg(reg, tmp); \ - } else { \ - extern void bogus_undefined(void); \ - bogus_undefined(); \ - } \ -} +#include <soc/arc/aux.h> /* Helpers */ #define TO_KB(bytes) ((bytes) >> 10) diff --git a/arch/arc/include/asm/mcip.h b/arch/arc/include/asm/mcip.h index c8fbe4114bad..fc28d0944801 100644 --- a/arch/arc/include/asm/mcip.h +++ b/arch/arc/include/asm/mcip.h @@ -13,7 +13,7 @@ #ifdef CONFIG_ISA_ARCV2 -#include <asm/arcregs.h> +#include <soc/arc/aux.h> #define ARC_REG_MCIP_BCR 0x0d0 #define ARC_REG_MCIP_CMD 0x600 |