# 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
id.name = ALCHEMY_CPU_CLK;
id.parent_names = &parent_name;
id.num_parents = 1;
- id.flags = CLK_IS_BASIC | CLK_IGNORE_UNUSED;
+ id.flags = CLK_IS_BASIC;
id.ops = &alchemy_clkops_cpu;
h->init = &id;
id.name = name;
id.parent_names = &parent_name;
id.num_parents = 1;
- id.flags = CLK_GET_RATE_NOCACHE | CLK_IGNORE_UNUSED;
+ id.flags = CLK_GET_RATE_NOCACHE;
id.ops = &alchemy_clkops_aux;
a->reg = reg;
default:
return -ENODEV;
}
- id.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE |
- CLK_IGNORE_UNUSED;
+ id.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE;
a = kzalloc((sizeof(*a)) * 6, GFP_KERNEL);
if (!a)
id.ops = &alchemy_clkops_csrc;
id.parent_names = (const char **)alchemy_clk_csrc_parents;
id.num_parents = 7;
- id.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE |
- CLK_IGNORE_UNUSED;
+ id.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE;
dt = alchemy_csrc_dt1;
switch (ctype) {
+++ /dev/null
-/*
- * BRIEF MODULE DESCRIPTION
- * Simple Au1xx0 clocks routines.
- *
- * Copyright 2001, 2008 MontaVista Software Inc.
- * Author: MontaVista Software, Inc. <source@mvista.com>
- *
- * 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 <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/time.h>
-#include <asm/mach-au1x00/au1000.h>
-
-/*
- * 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 = (alchemy_rdsys(AU1000_SYS_CPUPLL) & 0x3f) * AU1000_SRC_CLK;
-
- /* On Alchemy CPU:counter ratio is 1:1 */
- mips_hpt_frequency = cpu_speed;
-
- set_au1x00_speed(cpu_speed);
-
- return cpu_speed;
-}
#include <linux/init.h>
#include <linux/ioport.h>
-#include <linux/jiffies.h>
-#include <linux/module.h>
#include <asm/dma-coherence.h>
#include <asm/mipsregs.h>
-#include <asm/time.h>
#include <au1000.h>
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] */
/* Clock Controller */
#define AU1000_SYS_FREQCTRL0 0x20
-# 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 AU1000_SYS_FREQCTRL1 0x24
-# 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)
#define AU1000_SYS_CLKSRC 0x28
-# 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
-
#define AU1000_SYS_CPUPLL 0x60
#define AU1000_SYS_AUXPLL 0x64
#define AU1300_SYS_AUXPLL2 0x68
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);
projects / mirror_ubuntu-hirsute-kernel.git / commitdiff