Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758191AbaGCNXz (ORCPT ); Thu, 3 Jul 2014 09:23:55 -0400 Received: from mail-wi0-f175.google.com ([209.85.212.175]:39663 "EHLO mail-wi0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757877AbaGCNXN (ORCPT ); Thu, 3 Jul 2014 09:23:13 -0400 From: Manuel Lauss To: Linux-MIPS , Mike Turquette Cc: linux-kernel@vger.kernel.org, Manuel Lauss Subject: [RFC PATCH v2 11/11] MIPS: Alchemy: remove old clock support Date: Thu, 3 Jul 2014 15:22:42 +0200 Message-Id: <1404393762-858019-12-git-send-email-manuel.lauss@gmail.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1404393762-858019-1-git-send-email-manuel.lauss@gmail.com> References: <1404393762-858019-1-git-send-email-manuel.lauss@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With the clock framework in place, remove unused functions and bits. Signed-off-by: Manuel Lauss --- arch/mips/alchemy/common/Makefile | 2 +- arch/mips/alchemy/common/clocks.c | 87 ------------------------------ arch/mips/alchemy/common/setup.c | 15 ------ arch/mips/include/asm/mach-au1x00/au1000.h | 68 ----------------------- 4 files changed, 1 insertion(+), 171 deletions(-) delete mode 100644 arch/mips/alchemy/common/clocks.c diff --git a/arch/mips/alchemy/common/Makefile b/arch/mips/alchemy/common/Makefile index c8dedcb..f64744f 100644 --- a/arch/mips/alchemy/common/Makefile +++ b/arch/mips/alchemy/common/Makefile @@ -5,7 +5,7 @@ # Makefile for the Alchemy Au1xx0 CPUs, generic files. # -obj-y += prom.o time.o clock.o clocks.o platform.o power.o \ +obj-y += prom.o time.o clock.o platform.o power.o \ setup.o sleeper.o dma.o dbdma.o vss.o irq.o usb.o # optional gpiolib support diff --git a/arch/mips/alchemy/common/clocks.c b/arch/mips/alchemy/common/clocks.c deleted file mode 100644 index e77fa9b..0000000 --- a/arch/mips/alchemy/common/clocks.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * Simple Au1xx0 clocks routines. - * - * Copyright 2001, 2008 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include -#include -#include -#include - -/* - * I haven't found anyone that doesn't use a 12 MHz source clock, - * but just in case..... - */ -#define AU1000_SRC_CLK 12000000 - -static unsigned int au1x00_clock; /* Hz */ - -/* - * Set the au1000_clock - */ -void set_au1x00_speed(unsigned int new_freq) -{ - au1x00_clock = new_freq; -} - -unsigned int get_au1x00_speed(void) -{ - return au1x00_clock; -} -EXPORT_SYMBOL(get_au1x00_speed); - -/* - * We read the real processor speed from the PLL. This is important - * because it is more accurate than computing it from the 32 KHz - * counter, if it exists. If we don't have an accurate processor - * speed, all of the peripherals that derive their clocks based on - * this advertised speed will introduce error and sometimes not work - * properly. This function is further convoluted to still allow configurations - * to do that in case they have really, really old silicon with a - * write-only PLL register. -- Dan - */ -unsigned long au1xxx_calc_clock(void) -{ - unsigned long cpu_speed; - - /* - * On early Au1000, sys_cpupll was write-only. Since these - * silicon versions of Au1000 are not sold by AMD, we don't bend - * over backwards trying to determine the frequency. - */ - if (au1xxx_cpu_has_pll_wo()) - cpu_speed = 396000000; - else - cpu_speed = (AU1X_RDSYS(AU1000_SYS_CPUPLL) & 0x0000003f) - * AU1000_SRC_CLK; - - /* On Alchemy CPU:counter ratio is 1:1 */ - mips_hpt_frequency = cpu_speed; - - set_au1x00_speed(cpu_speed); - - return cpu_speed; -} diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c index 6f8b91d..f635934 100644 --- a/arch/mips/alchemy/common/setup.c +++ b/arch/mips/alchemy/common/setup.c @@ -27,12 +27,9 @@ #include #include -#include -#include #include #include -#include #include @@ -40,18 +37,6 @@ extern void __init board_setup(void); void __init plat_mem_setup(void) { - unsigned long est_freq; - - /* determine core clock */ - est_freq = au1xxx_calc_clock(); - est_freq += 5000; /* round */ - est_freq -= est_freq % 10000; - printk(KERN_INFO "(PRId %08x) @ %lu.%02lu MHz\n", read_c0_prid(), - est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000); - - /* this is faster than wasting cycles trying to approximate it */ - preset_lpj = (est_freq >> 1) / HZ; - if (au1xxx_cpu_needs_config_od()) /* Various early Au1xx0 errata corrected by this */ set_c0_config(1 << 19); /* Set Config[OD] */ diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h index 46ce1fe..a582a5e 100644 --- a/arch/mips/include/asm/mach-au1x00/au1000.h +++ b/arch/mips/include/asm/mach-au1x00/au1000.h @@ -480,69 +480,6 @@ #define AU1000_SYS_AUXPLL 0x0064 #define AU1300_SYS_AUXPLL2 0x0068 -/* SYS_FREQCTRLx bits */ -# define SYS_FC_FRDIV2_BIT 22 -# define SYS_FC_FRDIV2_MASK (0xff << SYS_FC_FRDIV2_BIT) -# define SYS_FC_FE2 (1 << 21) -# define SYS_FC_FS2 (1 << 20) -# define SYS_FC_FRDIV1_BIT 12 -# define SYS_FC_FRDIV1_MASK (0xff << SYS_FC_FRDIV1_BIT) -# define SYS_FC_FE1 (1 << 11) -# define SYS_FC_FS1 (1 << 10) -# define SYS_FC_FRDIV0_BIT 2 -# define SYS_FC_FRDIV0_MASK (0xff << SYS_FC_FRDIV0_BIT) -# define SYS_FC_FE0 (1 << 1) -# define SYS_FC_FS0 (1 << 0) -# define SYS_FC_FRDIV5_BIT 22 -# define SYS_FC_FRDIV5_MASK (0xff << SYS_FC_FRDIV5_BIT) -# define SYS_FC_FE5 (1 << 21) -# define SYS_FC_FS5 (1 << 20) -# define SYS_FC_FRDIV4_BIT 12 -# define SYS_FC_FRDIV4_MASK (0xff << SYS_FC_FRDIV4_BIT) -# define SYS_FC_FE4 (1 << 11) -# define SYS_FC_FS4 (1 << 10) -# define SYS_FC_FRDIV3_BIT 2 -# define SYS_FC_FRDIV3_MASK (0xff << SYS_FC_FRDIV3_BIT) -# define SYS_FC_FE3 (1 << 1) -# define SYS_FC_FS3 (1 << 0) - -/* SYS_CLKSRC bits */ -# define SYS_CS_ME1_BIT 27 -# define SYS_CS_ME1_MASK (0x7 << SYS_CS_ME1_BIT) -# define SYS_CS_DE1 (1 << 26) -# define SYS_CS_CE1 (1 << 25) -# define SYS_CS_ME0_BIT 22 -# define SYS_CS_ME0_MASK (0x7 << SYS_CS_ME0_BIT) -# define SYS_CS_DE0 (1 << 21) -# define SYS_CS_CE0 (1 << 20) -# define SYS_CS_MI2_BIT 17 -# define SYS_CS_MI2_MASK (0x7 << SYS_CS_MI2_BIT) -# define SYS_CS_DI2 (1 << 16) -# define SYS_CS_CI2 (1 << 15) -# define SYS_CS_ML_BIT 7 -# define SYS_CS_ML_MASK (0x7 << SYS_CS_ML_BIT) -# define SYS_CS_DL (1 << 6) -# define SYS_CS_CL (1 << 5) -# define SYS_CS_MUH_BIT 12 -# define SYS_CS_MUH_MASK (0x7 << SYS_CS_MUH_BIT) -# define SYS_CS_DUH (1 << 11) -# define SYS_CS_CUH (1 << 10) -# define SYS_CS_MUD_BIT 7 -# define SYS_CS_MUD_MASK (0x7 << SYS_CS_MUD_BIT) -# define SYS_CS_DUD (1 << 6) -# define SYS_CS_CUD (1 << 5) -# define SYS_CS_MIR_BIT 2 -# define SYS_CS_MIR_MASK (0x7 << SYS_CS_MIR_BIT) -# define SYS_CS_DIR (1 << 1) -# define SYS_CS_CIR (1 << 0) -# define SYS_CS_MUX_AUX 0x1 -# define SYS_CS_MUX_FQ0 0x2 -# define SYS_CS_MUX_FQ1 0x3 -# define SYS_CS_MUX_FQ2 0x4 -# define SYS_CS_MUX_FQ3 0x5 -# define SYS_CS_MUX_FQ4 0x6 -# define SYS_CS_MUX_FQ5 0x7 - /* Au15x0 PCI *********************************************************/ @@ -826,11 +763,6 @@ static inline int alchemy_get_macs(int type) return 0; } -/* arch/mips/au1000/common/clocks.c */ -extern void set_au1x00_speed(unsigned int new_freq); -extern unsigned int get_au1x00_speed(void); -extern unsigned long au1xxx_calc_clock(void); - /* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */ void alchemy_sleep_au1000(void); void alchemy_sleep_au1550(void); -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/