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Searched refs:divisor (Results 1 – 25 of 53) sorted by relevance

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/u-boot/arch/arm/lib/
A Dlib1funcs.S33 mov \divisor, \divisor, lsl \result
44 moveq \divisor, \divisor, lsl #3
54 movlo \divisor, \divisor, lsl #4
62 movlo \divisor, \divisor, lsl #1
85 movne \divisor, \divisor, lsr #4
101 movhs \divisor, \divisor, lsr #16
106 movhs \divisor, \divisor, lsr #8
110 movhs \divisor, \divisor, lsr #4
141 movlo \divisor, \divisor, lsl #4
149 movlo \divisor, \divisor, lsl #1
[all …]
A Ddiv64.S53 bls 9f @ divisor is 0 or 1
55 beq 8f @ divisor is power of 2
62 @ Align divisor with upper part of dividend.
63 @ The aligned divisor is stored in yl preserving the original.
105 @ divisor for comparisons, considering the carry-out bit as well.
142 @ divisor at this point since divisor can not be smaller than 3 here.
150 8: @ Division by a power of 2: determine what that divisor order is
/u-boot/lib/
A Ddiv64.c78 if (divisor > 0) in div_s64_rem()
82 if (divisor < 0) in div_s64_rem()
104 u32 high = divisor >> 32; in div64_u64_rem()
119 if (*remainder >= divisor) { in div64_u64_rem()
121 *remainder -= divisor; in div64_u64_rem()
142 u64 div64_u64(u64 dividend, u64 divisor) in div64_u64() argument
144 u32 high = divisor >> 32; in div64_u64()
148 quot = div_u64(dividend, divisor); in div64_u64()
155 if ((dividend - quot * divisor) >= divisor) in div64_u64()
170 s64 div64_s64(s64 dividend, s64 divisor) in div64_s64() argument
[all …]
/u-boot/include/linux/
A Dmath64.h21 *remainder = dividend % divisor; in div_u64_rem()
22 return dividend / divisor; in div_u64_rem()
30 *remainder = dividend % divisor; in div_s64_rem()
31 return dividend / divisor; in div_s64_rem()
39 *remainder = dividend % divisor; in div64_u64_rem()
40 return dividend / divisor; in div64_u64_rem()
48 return dividend / divisor; in div64_u64()
59 return dividend / divisor; in div64_s64()
126 while (dividend >= divisor) { in __iter_div_u64_rem()
131 dividend -= divisor; in __iter_div_u64_rem()
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A Dkernel.h102 #define DIV_ROUND_CLOSEST(x, divisor)( \ argument
105 typeof(divisor) __d = divisor; \
107 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \
116 #define DIV_ROUND_CLOSEST_ULL(x, divisor)( \ argument
118 typeof(divisor) __d = divisor; \
/u-boot/arch/arm/mach-uniphier/debug-uart/
A Ddebug-uart.c61 unsigned int divisor; in _debug_uart_init() local
66 divisor = uniphier_ld4_debug_uart_init(); in _debug_uart_init()
71 divisor = uniphier_pro4_debug_uart_init(); in _debug_uart_init()
76 divisor = uniphier_sld8_debug_uart_init(); in _debug_uart_init()
81 divisor = uniphier_pro5_debug_uart_init(); in _debug_uart_init()
86 divisor = uniphier_pxs2_debug_uart_init(); in _debug_uart_init()
91 divisor = uniphier_ld6b_debug_uart_init(); in _debug_uart_init()
100 writel(divisor, base + UNIPHIER_UART_LDR); in _debug_uart_init()
/u-boot/drivers/ddr/marvell/a38x/
A Dmv_ddr_common.c32 int round_div(unsigned int dividend, unsigned int divisor, unsigned int *quotient) in round_div() argument
39 if (divisor == 0) { in round_div()
43 *quotient = (dividend + divisor / 2) / divisor; in round_div()
/u-boot/drivers/i2c/
A Dast2600_i2c.c183 int divisor; in ast2600_i2c_set_speed() local
204 divisor = DIV_ROUND_UP(apb_clk, speed); in ast2600_i2c_set_speed()
207 divisor = DIV_ROUND_UP(base_clk1, speed); in ast2600_i2c_set_speed()
210 divisor = DIV_ROUND_UP(base_clk2, speed); in ast2600_i2c_set_speed()
218 while ((divisor + inc) > 32) { in ast2600_i2c_set_speed()
219 inc |= divisor & 0x1; in ast2600_i2c_set_speed()
220 divisor >>= 1; in ast2600_i2c_set_speed()
223 divisor += inc; in ast2600_i2c_set_speed()
225 divisor = min_t(int, divisor, 32); in ast2600_i2c_set_speed()
227 scl_low = ((divisor * 9) / 16) - 1; in ast2600_i2c_set_speed()
[all …]
/u-boot/arch/mips/mach-octeon/
A Dcvmx-helper-jtag.c34 int divisor; in cvmx_helper_qlm_jtag_init() local
36 divisor = gd->bus_clk / (1000000 * (OCTEON_IS_MODEL(OCTEON_CN68XX) ? 10 : 25)); in cvmx_helper_qlm_jtag_init()
38 divisor = (divisor - 1) >> 2; in cvmx_helper_qlm_jtag_init()
40 while (divisor) { in cvmx_helper_qlm_jtag_init()
42 divisor >>= 1; in cvmx_helper_qlm_jtag_init()
/u-boot/drivers/serial/
A Dserial_pl01x.c112 unsigned int divisor; in pl01x_generic_setbrg() local
119 divisor = UART_PL010_BAUD_9600; in pl01x_generic_setbrg()
122 divisor = UART_PL010_BAUD_19200; in pl01x_generic_setbrg()
125 divisor = UART_PL010_BAUD_38400; in pl01x_generic_setbrg()
128 divisor = UART_PL010_BAUD_57600; in pl01x_generic_setbrg()
131 divisor = UART_PL010_BAUD_115200; in pl01x_generic_setbrg()
134 divisor = UART_PL010_BAUD_38400; in pl01x_generic_setbrg()
137 writel((divisor & 0xf00) >> 8, &regs->pl010_lcrm); in pl01x_generic_setbrg()
138 writel(divisor & 0xff, &regs->pl010_lcrl); in pl01x_generic_setbrg()
A Dserial_mpc8xx.c42 int divisor = (gd->cpu_clk + 8 * baudrate) / 16 / baudrate; in serial_setdivisor() local
44 if (divisor / 16 > 0x1000) { in serial_setdivisor()
46 divisor = (50 * 1000 * 1000 + 8 * 9600) / 16 / 9600; in serial_setdivisor()
49 divisor /= CONFIG_SYS_BRGCLK_PRESCALE; in serial_setdivisor()
51 if (divisor <= 0x1000) in serial_setdivisor()
52 out_be32(&cp->cp_brgc1, ((divisor - 1) << 1) | CPM_BRG_EN); in serial_setdivisor()
54 out_be32(&cp->cp_brgc1, ((divisor / 16 - 1) << 1) | CPM_BRG_EN | in serial_setdivisor()
A Dserial_npcm.c84 u16 divisor; in npcm_serial_setbrg() local
87 divisor = DIV_ROUND_CLOSEST(plat->uart_clk, 16 * baudrate + 2) - 2; in npcm_serial_setbrg()
90 writeb(divisor & 0xff, &uart->dll); in npcm_serial_setbrg()
91 writeb(divisor >> 8, &uart->dlm); in npcm_serial_setbrg()
A Datmel_usart.c35 unsigned long divisor; in atmel_serial_setbrg_internal() local
44 divisor = (usart_hz / 16 + baudrate / 2) / baudrate; in atmel_serial_setbrg_internal()
45 writel(USART3_BF(CD, divisor), &usart->brgr); in atmel_serial_setbrg_internal()
150 unsigned long divisor; in _atmel_serial_set_brg() local
152 divisor = (usart_clk_rate / 16 + baudrate / 2) / baudrate; in _atmel_serial_set_brg()
153 writel(USART3_BF(CD, divisor), &usart->brgr); in _atmel_serial_set_brg()
A Daltera_uart.c24 u32 divisor; /* Baud rate divisor reg */ member
40 writel(div, &regs->divisor); in altera_uart_setbrg()
130 writel(div, &regs->divisor); in _debug_uart_init()
A Dserial_meson.c71 u32 divisor = meson_calc_baud_divisor(src_rate, baud); in meson_serial_set_baud() local
73 (divisor & AML_UART_REG5_BAUD_MASK); in meson_serial_set_baud()
171 u32 divisor = meson_calc_baud_divisor(rate, baud); in meson_serial_setbrg() local
172 u32 calc_baud = (rate / 3) / (divisor + 1); in meson_serial_setbrg()
A Dserial_uniphier.c43 unsigned int divisor; in uniphier_serial_setbrg() local
45 divisor = DIV_ROUND_CLOSEST(priv->uartclk, mode_x_div * baudrate); in uniphier_serial_setbrg()
51 writel(divisor, priv->membase + UNIPHIER_UART_DLR); in uniphier_serial_setbrg()
/u-boot/drivers/pwm/
A Dpwm-aspeed.c121 u64 div_h, div_l, divisor; in aspeed_pwm_set_config() local
134 divisor = (u64)NSEC_PER_SEC * (PWM_ASPEED_FIXED_PERIOD + 1) * in aspeed_pwm_set_config()
136 div_h = order_base_2(div64_u64((u64)rate * period_ns + divisor - 1, divisor)); in aspeed_pwm_set_config()
140 divisor = ((u64)NSEC_PER_SEC * (PWM_ASPEED_FIXED_PERIOD + 1)) << div_h; in aspeed_pwm_set_config()
141 div_l = div64_u64((u64)rate * period_ns, divisor); in aspeed_pwm_set_config()
/u-boot/drivers/spi/
A Dnpcm_pspi.c134 u32 divisor; in npcm_pspi_set_speed() local
144 divisor = DIV_ROUND_CLOSEST(apb_clock, (2 * speed) - 1); in npcm_pspi_set_speed()
145 if (divisor > MAX_DIV) in npcm_pspi_set_speed()
146 divisor = MAX_DIV; in npcm_pspi_set_speed()
150 val |= divisor << PSPI_CTL1_SCDV_SHIFT; in npcm_pspi_set_speed()
154 __func__, apb_clock, speed, divisor); in npcm_pspi_set_speed()
/u-boot/doc/device-tree-bindings/serial/
A Dbcm2835-aux-uart.txt7 rate divisor)
10 - skip-init: if present, the baud rate divisor is not changed
A Dpl01x.txt7 rate divisor)
10 - skip-init: if present, the baud rate divisor is not changed
/u-boot/lib/zstd/common/
A Dzstd_deps.h68 static uint64_t ZSTD_div64(uint64_t dividend, uint32_t divisor) { in ZSTD_div64() argument
69 return div_u64(dividend, divisor); in ZSTD_div64()
/u-boot/drivers/mmc/
A Dtmio-common.c555 unsigned int divisor; in tmio_sd_set_clk_rate() local
566 divisor = 2; in tmio_sd_set_clk_rate()
568 if (divisor <= 1) in tmio_sd_set_clk_rate()
571 else if (divisor <= 2) in tmio_sd_set_clk_rate()
573 else if (divisor <= 4) in tmio_sd_set_clk_rate()
575 else if (divisor <= 8) in tmio_sd_set_clk_rate()
577 else if (divisor <= 16) in tmio_sd_set_clk_rate()
579 else if (divisor <= 32) in tmio_sd_set_clk_rate()
581 else if (divisor <= 64) in tmio_sd_set_clk_rate()
583 else if (divisor <= 128) in tmio_sd_set_clk_rate()
[all …]
/u-boot/drivers/clk/aspeed/
A Dclk_ast2500.c327 u32 divisor; in ast2500_configure_mac() local
341 divisor = hpll_rate / required_rate; in ast2500_configure_mac()
343 if (divisor < 4) { in ast2500_configure_mac()
346 divisor = 4; in ast2500_configure_mac()
347 } else if (divisor > 16) { in ast2500_configure_mac()
350 divisor = 16; in ast2500_configure_mac()
368 ((divisor - 2) / 2) << SCU_MACCLK_SHIFT); in ast2500_configure_mac()
/u-boot/arch/mips/mach-octeon/include/mach/
A Docteon_ddr.h568 static inline u64 divide_nint(u64 dividend, u64 divisor) in divide_nint() argument
572 quotent = dividend / divisor; in divide_nint()
573 remainder = dividend % divisor; in divide_nint()
574 return (quotent + ((remainder * 2) >= divisor)); in divide_nint()
578 static inline u64 divide_roundup(u64 dividend, u64 divisor) in divide_roundup() argument
580 return ((dividend + divisor - 1) / divisor); in divide_roundup()
/u-boot/include/
A Ddiv64.h198 extern u32 __div64_32(u64 *dividend, u32 divisor);
237 static inline u64 lldiv(u64 dividend, u32 divisor) in lldiv() argument
240 do_div(__res, divisor); in lldiv()

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