diff options
author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-03-16 11:30:31 +0300 |
---|---|---|
committer | Lee Jones <lee.jones@linaro.org> | 2017-04-27 11:25:06 +0300 |
commit | 0d69080d9e01d5d60f1887def2080ce3f66f5856 (patch) | |
tree | 48677abc3be1fc325bb2baa686d82ec4f373fdec /include | |
parent | d9f81dad161f3f0b339a65e0e6ac5db898119027 (diff) | |
download | linux-0d69080d9e01d5d60f1887def2080ce3f66f5856.tar.xz |
mfd: syscon: atmel-smc: Remove unused helpers/macros
All macros prefixed with AT91[SAM9]_SMC have been replaced by equivalent
definitions prefixed with ATMEL_SMC, and the at91sam9_smc_xxxx() helpers
are no longer used.
Drop these definitions before someone starts using them again.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mfd/syscon/atmel-smc.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/include/linux/mfd/syscon/atmel-smc.h b/include/linux/mfd/syscon/atmel-smc.h index 00e6e3c8ee6f..afa266169800 100644 --- a/include/linux/mfd/syscon/atmel-smc.h +++ b/include/linux/mfd/syscon/atmel-smc.h @@ -17,58 +17,6 @@ #include <linux/kernel.h> #include <linux/regmap.h> -#define AT91SAM9_SMC_GENERIC 0x00 -#define AT91SAM9_SMC_GENERIC_BLK_SZ 0x10 - -#define SAMA5_SMC_GENERIC 0x600 -#define SAMA5_SMC_GENERIC_BLK_SZ 0x14 - -#define AT91SAM9_SMC_SETUP(o) ((o) + 0x00) -#define AT91SAM9_SMC_NWESETUP(x) (x) -#define AT91SAM9_SMC_NCS_WRSETUP(x) ((x) << 8) -#define AT91SAM9_SMC_NRDSETUP(x) ((x) << 16) -#define AT91SAM9_SMC_NCS_NRDSETUP(x) ((x) << 24) - -#define AT91SAM9_SMC_PULSE(o) ((o) + 0x04) -#define AT91SAM9_SMC_NWEPULSE(x) (x) -#define AT91SAM9_SMC_NCS_WRPULSE(x) ((x) << 8) -#define AT91SAM9_SMC_NRDPULSE(x) ((x) << 16) -#define AT91SAM9_SMC_NCS_NRDPULSE(x) ((x) << 24) - -#define AT91SAM9_SMC_CYCLE(o) ((o) + 0x08) -#define AT91SAM9_SMC_NWECYCLE(x) (x) -#define AT91SAM9_SMC_NRDCYCLE(x) ((x) << 16) - -#define AT91SAM9_SMC_MODE(o) ((o) + 0x0c) -#define SAMA5_SMC_MODE(o) ((o) + 0x10) -#define AT91_SMC_READMODE BIT(0) -#define AT91_SMC_READMODE_NCS (0 << 0) -#define AT91_SMC_READMODE_NRD (1 << 0) -#define AT91_SMC_WRITEMODE BIT(1) -#define AT91_SMC_WRITEMODE_NCS (0 << 1) -#define AT91_SMC_WRITEMODE_NWE (1 << 1) -#define AT91_SMC_EXNWMODE GENMASK(5, 4) -#define AT91_SMC_EXNWMODE_DISABLE (0 << 4) -#define AT91_SMC_EXNWMODE_FROZEN (2 << 4) -#define AT91_SMC_EXNWMODE_READY (3 << 4) -#define AT91_SMC_BAT BIT(8) -#define AT91_SMC_BAT_SELECT (0 << 8) -#define AT91_SMC_BAT_WRITE (1 << 8) -#define AT91_SMC_DBW GENMASK(13, 12) -#define AT91_SMC_DBW_8 (0 << 12) -#define AT91_SMC_DBW_16 (1 << 12) -#define AT91_SMC_DBW_32 (2 << 12) -#define AT91_SMC_TDF GENMASK(19, 16) -#define AT91_SMC_TDF_(x) ((((x) - 1) << 16) & AT91_SMC_TDF) -#define AT91_SMC_TDF_MAX 16 -#define AT91_SMC_TDFMODE_OPTIMIZED BIT(20) -#define AT91_SMC_PMEN BIT(24) -#define AT91_SMC_PS GENMASK(29, 28) -#define AT91_SMC_PS_4 (0 << 28) -#define AT91_SMC_PS_8 (1 << 28) -#define AT91_SMC_PS_16 (2 << 28) -#define AT91_SMC_PS_32 (3 << 28) - #define ATMEL_SMC_SETUP(cs) (((cs) * 0x10)) #define ATMEL_HSMC_SETUP(cs) (0x600 + ((cs) * 0x14)) #define ATMEL_SMC_PULSE(cs) (((cs) * 0x10) + 0x4) @@ -157,104 +105,4 @@ void atmel_smc_cs_conf_get(struct regmap *regmap, int cs, void atmel_hsmc_cs_conf_get(struct regmap *regmap, int cs, struct atmel_smc_cs_conf *conf); -/* - * This function converts a setup timing expressed in nanoseconds into an - * encoded value that can be written in the SMC_SETUP register. - * - * The following formula is described in atmel datasheets (section - * "SMC Setup Register"): - * - * setup length = (128* SETUP[5] + SETUP[4:0]) - * - * where setup length is the timing expressed in cycles. - */ -static inline u32 at91sam9_smc_setup_ns_to_cycles(unsigned int clk_rate, - u32 timing_ns) -{ - u32 clk_period = DIV_ROUND_UP(NSEC_PER_SEC, clk_rate); - u32 coded_cycles = 0; - u32 cycles; - - cycles = DIV_ROUND_UP(timing_ns, clk_period); - if (cycles / 32) { - coded_cycles |= 1 << 5; - if (cycles < 128) - cycles = 0; - } - - coded_cycles |= cycles % 32; - - return coded_cycles; -} - -/* - * This function converts a pulse timing expressed in nanoseconds into an - * encoded value that can be written in the SMC_PULSE register. - * - * The following formula is described in atmel datasheets (section - * "SMC Pulse Register"): - * - * pulse length = (256* PULSE[6] + PULSE[5:0]) - * - * where pulse length is the timing expressed in cycles. - */ -static inline u32 at91sam9_smc_pulse_ns_to_cycles(unsigned int clk_rate, - u32 timing_ns) -{ - u32 clk_period = DIV_ROUND_UP(NSEC_PER_SEC, clk_rate); - u32 coded_cycles = 0; - u32 cycles; - - cycles = DIV_ROUND_UP(timing_ns, clk_period); - if (cycles / 64) { - coded_cycles |= 1 << 6; - if (cycles < 256) - cycles = 0; - } - - coded_cycles |= cycles % 64; - - return coded_cycles; -} - -/* - * This function converts a cycle timing expressed in nanoseconds into an - * encoded value that can be written in the SMC_CYCLE register. - * - * The following formula is described in atmel datasheets (section - * "SMC Cycle Register"): - * - * cycle length = (CYCLE[8:7]*256 + CYCLE[6:0]) - * - * where cycle length is the timing expressed in cycles. - */ -static inline u32 at91sam9_smc_cycle_ns_to_cycles(unsigned int clk_rate, - u32 timing_ns) -{ - u32 clk_period = DIV_ROUND_UP(NSEC_PER_SEC, clk_rate); - u32 coded_cycles = 0; - u32 cycles; - - cycles = DIV_ROUND_UP(timing_ns, clk_period); - if (cycles / 128) { - coded_cycles = cycles / 256; - cycles %= 256; - if (cycles >= 128) { - coded_cycles++; - cycles = 0; - } - - if (coded_cycles > 0x3) { - coded_cycles = 0x3; - cycles = 0x7f; - } - - coded_cycles <<= 7; - } - - coded_cycles |= cycles % 128; - - return coded_cycles; -} - #endif /* _LINUX_MFD_SYSCON_ATMEL_SMC_H_ */ |