From 98cb4c6b8ed1b1b5d18a3b0af5172b87f9a4b202 Mon Sep 17 00:00:00 2001
From: Tom Rini <trini@konsulko.com>
Date: Sat, 19 Nov 2022 18:45:17 -0500
Subject: [PATCH] arm920t: Remove unused imx code
This code is currently unused, remove it.
Signed-off-by: Tom Rini <trini@konsulko.com>
---
arch/arm/cpu/arm920t/imx/Makefile | 8 ---
arch/arm/cpu/arm920t/imx/generic.c | 76 ----------------------
arch/arm/cpu/arm920t/imx/speed.c | 86 -------------------------
arch/arm/cpu/arm920t/imx/timer.c | 100 -----------------------------
4 files changed, 270 deletions(-)
delete mode 100644 arch/arm/cpu/arm920t/imx/Makefile
delete mode 100644 arch/arm/cpu/arm920t/imx/generic.c
delete mode 100644 arch/arm/cpu/arm920t/imx/speed.c
delete mode 100644 arch/arm/cpu/arm920t/imx/timer.c
diff --git a/arch/arm/cpu/arm920t/imx/Makefile b/arch/arm/cpu/arm920t/imx/Makefile
deleted file mode 100644
index 04bc129592..0000000000
--- a/arch/arm/cpu/arm920t/imx/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-# 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
diff --git a/arch/arm/cpu/arm920t/imx/generic.c b/arch/arm/cpu/arm920t/imx/generic.c
deleted file mode 100644
index dbb908ecdc..0000000000
--- a/arch/arm/cpu/arm920t/imx/generic.c
+++ /dev/null
@@ -1,76 +0,0 @@
-// 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 */
diff --git a/arch/arm/cpu/arm920t/imx/speed.c b/arch/arm/cpu/arm920t/imx/speed.c
deleted file mode 100644
index c19206ac39..0000000000
--- a/arch/arm/cpu/arm920t/imx/speed.c
+++ /dev/null
@@ -1,86 +0,0 @@
-// 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) */
diff --git a/arch/arm/cpu/arm920t/imx/timer.c b/arch/arm/cpu/arm920t/imx/timer.c
deleted file mode 100644
index 0cd3a03981..0000000000
--- a/arch/arm/cpu/arm920t/imx/timer.c
+++ /dev/null
@@ -1,100 +0,0 @@
-// 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) */
--
2.39.5