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arm920t: Remove unused imx code

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This code is currently unused, remove it.

Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini 2022-11-19 18:45:17 -05:00
parent 19b4040df0
commit 98cb4c6b8e
4 changed files with 0 additions and 270 deletions
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8
arch/arm/cpu/arm920t/imx/Makefile
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# SPDX-License-Identifier: GPL-2.0+
#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
obj-y += generic.o
obj-y += speed.o
obj-y += timer.o

76
arch/arm/cpu/arm920t/imx/generic.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* arch/arm/mach-imx/generic.c
*
* author: Sascha Hauer
* Created: april 20th, 2004
* Copyright: Synertronixx GmbH
*
* Common code for i.MX machines
*/
#include <common.h>
#ifdef CONFIG_IMX
#include <asm/arch/imx-regs.h>
void imx_gpio_mode(int gpio_mode)
{
unsigned int pin = gpio_mode & GPIO_PIN_MASK;
unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> 5;
unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> 10;
unsigned int tmp;
/* Pullup enable */
if(gpio_mode & GPIO_PUEN)
PUEN(port) |= (1<<pin);
else
PUEN(port) &= ~(1<<pin);
/* Data direction */
if(gpio_mode & GPIO_OUT)
DDIR(port) |= 1<<pin;
else
DDIR(port) &= ~(1<<pin);
/* Primary / alternate function */
if(gpio_mode & GPIO_AF)
GPR(port) |= (1<<pin);
else
GPR(port) &= ~(1<<pin);
/* use as gpio? */
if( ocr == 3 )
GIUS(port) |= (1<<pin);
else
GIUS(port) &= ~(1<<pin);
/* Output / input configuration */
/* FIXME: I'm not very sure about OCR and ICONF, someone
* should have a look over it
*/
if(pin<16) {
tmp = OCR1(port);
tmp &= ~( 3<<(pin*2));
tmp |= (ocr << (pin*2));
OCR1(port) = tmp;
if( gpio_mode & GPIO_AOUT )
ICONFA1(port) &= ~( 3<<(pin*2));
if( gpio_mode & GPIO_BOUT )
ICONFB1(port) &= ~( 3<<(pin*2));
} else {
tmp = OCR2(port);
tmp &= ~( 3<<((pin-16)*2));
tmp |= (ocr << ((pin-16)*2));
OCR2(port) = tmp;
if( gpio_mode & GPIO_AOUT )
ICONFA2(port) &= ~( 3<<((pin-16)*2));
if( gpio_mode & GPIO_BOUT )
ICONFB2(port) &= ~( 3<<((pin-16)*2));
}
}
#endif /* CONFIG_IMX */

86
arch/arm/cpu/arm920t/imx/speed.c
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// SPDX-License-Identifier: GPL-2.0+
/*
*
* (c) 2004 Sascha Hauer <sascha@saschahauer.de>
*/
#include <common.h>
#if defined (CONFIG_IMX)
#include <clock_legacy.h>
#include <asm/arch/imx-regs.h>
/* ------------------------------------------------------------------------- */
/* NOTE: This describes the proper use of this file.
*
* get_board_sys_clk() should be defined as the input frequency of the PLL.
* SH FIXME: 16780000 in our case
* get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
* the specified bus in HZ.
*/
/* ------------------------------------------------------------------------- */
ulong get_systemPLLCLK(void)
{
/* FIXME: We assume System_SEL = 0 here */
u32 spctl0 = SPCTL0;
u32 mfi = (spctl0 >> 10) & 0xf;
u32 mfn = spctl0 & 0x3f;
u32 mfd = (spctl0 >> 16) & 0x3f;
u32 pd = (spctl0 >> 26) & 0xf;
mfi = mfi<=5 ? 5 : mfi;
return (2*(CONFIG_SYSPLL_CLK_FREQ>>10)*( (mfi<<10) + (mfn<<10)/(mfd+1)))/(pd+1);
}
ulong get_mcuPLLCLK(void)
{
/* FIXME: We assume System_SEL = 0 here */
u32 mpctl0 = MPCTL0;
u32 mfi = (mpctl0 >> 10) & 0xf;
u32 mfn = mpctl0 & 0x3f;
u32 mfd = (mpctl0 >> 16) & 0x3f;
u32 pd = (mpctl0 >> 26) & 0xf;
mfi = mfi<=5 ? 5 : mfi;
return (2*(get_board_sys_clk()>>10)*( (mfi<<10) + (mfn<<10)/(mfd+1)))/(pd+1);
}
ulong get_FCLK(void)
{
return (( CSCR>>15)&1) ? get_mcuPLLCLK()>>1 : get_mcuPLLCLK();
}
/* return HCLK frequency */
ulong get_HCLK(void)
{
u32 bclkdiv = (( CSCR >> 10 ) & 0xf) + 1;
printf("bclkdiv: %d\n", bclkdiv);
return get_systemPLLCLK() / bclkdiv;
}
/* return BCLK frequency */
ulong get_BCLK(void)
{
return get_HCLK();
}
ulong get_PERCLK1(void)
{
return get_systemPLLCLK() / (((PCDR) & 0xf)+1);
}
ulong get_PERCLK2(void)
{
return get_systemPLLCLK() / (((PCDR>>4) & 0xf)+1);
}
ulong get_PERCLK3(void)
{
return get_systemPLLCLK() / (((PCDR>>16) & 0x7f)+1);
}
#endif /* defined (CONFIG_IMX) */

100
arch/arm/cpu/arm920t/imx/timer.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
*/
#include <common.h>
#include <cpu_func.h>
#include <time.h>
#if defined (CONFIG_IMX)
#include <asm/arch/imx-regs.h>
#include <linux/delay.h>
int timer_init (void)
{
int i;
/* setup GP Timer 1 */
TCTL1 = TCTL_SWR;
for ( i=0; i<100; i++) TCTL1 = 0; /* We have no udelay by now */
TPRER1 = get_PERCLK1() / 1000000; /* 1 MHz */
TCTL1 |= TCTL_FRR | (1<<1); /* Freerun Mode, PERCLK1 input */
/* Reset the timer */
TCTL1 &= ~TCTL_TEN;
TCTL1 |= TCTL_TEN; /* Enable timer */
return (0);
}
/*
* timer without interrupts
*/
static ulong get_timer_masked (void)
{
return TCN1;
}
ulong get_timer (ulong base)
{
return get_timer_masked() - base;
}
void __udelay(unsigned long usec)
{
ulong endtime = get_timer_masked() + usec;
signed long diff;
do {
ulong now = get_timer_masked ();
diff = endtime - now;
} while (diff >= 0);
}
/*
* This function is derived from PowerPC code (read timebase as long long).
* On ARM it just returns the timer value.
*/
unsigned long long get_ticks(void)
{
return get_timer(0);
}
/*
* This function is derived from PowerPC code (timebase clock frequency).
* On ARM it returns the number of timer ticks per second.
*/
ulong get_tbclk(void)
{
return CONFIG_SYS_HZ;
}
/*
* Reset the cpu by setting up the watchdog timer and let him time out
*/
void reset_cpu(void)
{
/* Disable watchdog and set Time-Out field to 0 */
WCR = 0x00000000;
/* Write Service Sequence */
WSR = 0x00005555;
WSR = 0x0000AAAA;
/* Enable watchdog */
WCR = 0x00000001;
while (1);
/*NOTREACHED*/
}
#endif /* defined (CONFIG_IMX) */