From 98cb4c6b8ed1b1b5d18a3b0af5172b87f9a4b202 Mon Sep 17 00:00:00 2001 From: Tom Rini 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 --- 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 04bc129..0000000 --- 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 dbb908e..0000000 --- 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 - -#ifdef CONFIG_IMX - -#include - -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< - */ - - -#include -#if defined (CONFIG_IMX) -#include - -#include - -/* ------------------------------------------------------------------------- */ -/* 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 0cd3a03..0000000 --- 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 - * Marius Groeger - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Alex Zuepke - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, - */ - -#include -#include -#include -#if defined (CONFIG_IMX) - -#include -#include - -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) */ -- 2.7.4