diff options
| author | Tom Rini <trini@konsulko.com> | 2017-03-14 11:08:10 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-04-05 13:52:01 -0400 |
| commit | ea3310e8aafad1da72d9a5e60568d725cbdefdbd (patch) | |
| tree | 869faa824f09ce4d40f2ce503a607ceb28b5ce91 /arch/blackfin/include/asm/clock.h | |
| parent | c3b7cfe15ec1db047182d4ec55a3ce05f19bdf38 (diff) | |
Blackfin: Remove
The architecture is currently unmaintained, remove.
Cc: Benjamin Matthews <mben12@gmail.com>
Cc: Chong Huang <chuang@ucrobotics.com>
Cc: Dimitar Penev <dpn@switchfin.org>
Cc: Haitao Zhang <hzhang@ucrobotics.com>
Cc: I-SYST Micromodule <support@i-syst.com>
Cc: M.Hasewinkel (MHA) <info@ssv-embedded.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Martin Strubel <strubel@section5.ch>
Cc: Peter Meerwald <devel@bct-electronic.com>
Cc: Sonic Zhang <sonic.adi@gmail.com>
Cc: Valentin Yakovenkov <yakovenkov@niistt.ru>
Cc: Wojtek Skulski <info@skutek.com>
Cc: Wojtek Skulski <skulski@pas.rochester.edu>
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/blackfin/include/asm/clock.h')
| -rw-r--r-- | arch/blackfin/include/asm/clock.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/blackfin/include/asm/clock.h b/arch/blackfin/include/asm/clock.h deleted file mode 100644 index 05ae03c09a..0000000000 --- a/arch/blackfin/include/asm/clock.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (C) 2012 Analog Devices Inc. - * Licensed under the GPL-2 or later. - */ - -#ifndef __CLOCK_H__ -#define __CLOCK_H__ - -#include <asm/blackfin.h> -#ifdef PLL_CTL -#include <asm/mach-common/bits/pll.h> -# define pll_is_bypassed() (bfin_read_PLL_CTL() & BYPASS) -#else -#include <asm/mach-common/bits/cgu.h> -# define pll_is_bypassed() (bfin_read_CGU_STAT() & PLLBP) -# define bfin_read_PLL_CTL() bfin_read_CGU_CTL() -# define bfin_read_PLL_DIV() bfin_read_CGU_DIV() -# define SSEL SYSSEL -# define SSEL_P SYSSEL_P -#endif - -__attribute__((always_inline)) -static inline uint32_t early_division(uint32_t dividend, uint32_t divisor) -{ - uint32_t quotient; - uint32_t i, j; - - for (quotient = 1, i = 1; dividend > divisor; ++i) { - j = divisor << i; - if (j > dividend || (j & 0x80000000)) { - --i; - quotient += (1 << i); - dividend -= (divisor << i); - i = 0; - } - } - - return quotient; -} - -__attribute__((always_inline)) -static inline uint32_t early_get_uart_clk(void) -{ - uint32_t msel, pll_ctl, vco; - uint32_t div, ssel, sclk, uclk; - - pll_ctl = bfin_read_PLL_CTL(); - msel = (pll_ctl & MSEL) >> MSEL_P; - if (msel == 0) - msel = (MSEL >> MSEL_P) + 1; - - vco = (CONFIG_CLKIN_HZ >> (pll_ctl & DF)) * msel; - sclk = vco; - if (!pll_is_bypassed()) { - div = bfin_read_PLL_DIV(); - ssel = (div & SSEL) >> SSEL_P; -#if CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS - sclk = vco/ssel; -#else - sclk = early_division(vco, ssel); -#endif - } - uclk = sclk; -#ifdef CGU_DIV - ssel = (div & S0SEL) >> S0SEL_P; - uclk = early_division(sclk, ssel); -#endif - return uclk; -} - -extern u_long get_vco(void); -extern u_long get_cclk(void); -extern u_long get_sclk(void); - -#ifdef CGU_DIV -extern u_long get_sclk0(void); -extern u_long get_sclk1(void); -extern u_long get_dclk(void); -# define get_uart_clk get_sclk0 -# define get_i2c_clk get_sclk0 -# define get_spi_clk get_sclk1 -#else -# define get_uart_clk get_sclk -# define get_i2c_clk get_sclk -# define get_spi_clk get_sclk -#endif - -#endif |