[U-Boot] [PATCH 01/17] arch/arm/cpu/arm926ejs/omap: Remove

[Tom Rini <trini@konsulko.com>]

This code has been unused since the removal of the "omap2" platforms,
remove.

Signed-off-by: Tom Rini <trini@konsulko.com>
---
 arch/arm/cpu/arm926ejs/omap/Makefile  |  10 --
 arch/arm/cpu/arm926ejs/omap/cpuinfo.c | 242 ----------------------------------
 arch/arm/cpu/arm926ejs/omap/reset.S   |  29 ----
 arch/arm/cpu/arm926ejs/omap/timer.c   | 152 ---------------------
 4 files changed, 433 deletions(-)
 delete mode 100644 arch/arm/cpu/arm926ejs/omap/Makefile
 delete mode 100644 arch/arm/cpu/arm926ejs/omap/cpuinfo.c
 delete mode 100644 arch/arm/cpu/arm926ejs/omap/reset.S
 delete mode 100644 arch/arm/cpu/arm926ejs/omap/timer.c

diff --git a/arch/arm/cpu/arm926ejs/omap/Makefile b/arch/arm/cpu/arm926ejs/omap/Makefile
deleted file mode 100644
index add923276c9c..000000000000
--- a/arch/arm/cpu/arm926ejs/omap/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-y	= timer.o
-obj-$(CONFIG_DISPLAY_CPUINFO) += cpuinfo.o
-obj-y	+= reset.o
diff --git a/arch/arm/cpu/arm926ejs/omap/cpuinfo.c b/arch/arm/cpu/arm926ejs/omap/cpuinfo.c
deleted file mode 100644
index 587d99a2bb02..000000000000
--- a/arch/arm/cpu/arm926ejs/omap/cpuinfo.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * OMAP1 CPU identification code
- *
- * Copyright (C) 2004 Nokia Corporation
- * Written by Tony Lindgren <tony@atomide.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <command.h>
-#include <linux/compiler.h>
-
-#if defined(CONFIG_OMAP)
-
-#define omap_readw(x)		*(volatile unsigned short *)(x)
-#define omap_readl(x)		*(volatile unsigned long *)(x)
-
-#define OMAP_DIE_ID_0		0xfffe1800
-#define OMAP_DIE_ID_1		0xfffe1804
-#define OMAP_PRODUCTION_ID_0	0xfffe2000
-#define OMAP_PRODUCTION_ID_1	0xfffe2004
-#define OMAP32_ID_0		0xfffed400
-#define OMAP32_ID_1		0xfffed404
-
-struct omap_id {
-	u16	jtag_id;	/* Used to determine OMAP type */
-	u8	die_rev;	/* Processor revision */
-	u32	omap_id;	/* OMAP revision */
-	u32	type;		/* Cpu id bits [31:08], cpu class bits [07:00] */
-};
-
-/* Register values to detect the OMAP version */
-static struct omap_id omap_ids[] = {
-	{ .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000},
-	{ .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100},
-	{ .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300},
-	{ .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000},
-	{ .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x16100000},
-	{ .jtag_id = 0xb576, .die_rev = 0x2, .omap_id = 0x03320100, .type = 0x16110000},
-	{ .jtag_id = 0xb576, .die_rev = 0x3, .omap_id = 0x03320100, .type = 0x16100c00},
-	{ .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320200, .type = 0x16100d00},
-	{ .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00},
-	{ .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00},
-	{ .jtag_id = 0xb576, .die_rev = 0x1, .omap_id = 0x03320100, .type = 0x16110000},
-	{ .jtag_id = 0xb58c, .die_rev = 0x2, .omap_id = 0x03320200, .type = 0x16110b00},
-	{ .jtag_id = 0xb58c, .die_rev = 0x3, .omap_id = 0x03320200, .type = 0x16110c00},
-	{ .jtag_id = 0xb65f, .die_rev = 0x0, .omap_id = 0x03320400, .type = 0x16212300},
-	{ .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320400, .type = 0x16212300},
-	{ .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320500, .type = 0x16212300},
-	{ .jtag_id = 0xb5f7, .die_rev = 0x0, .omap_id = 0x03330000, .type = 0x17100000},
-	{ .jtag_id = 0xb5f7, .die_rev = 0x1, .omap_id = 0x03330100, .type = 0x17100000},
-	{ .jtag_id = 0xb5f7, .die_rev = 0x2, .omap_id = 0x03330100, .type = 0x17100000},
-};
-
-/*
- * Get OMAP type from PROD_ID.
- * 1710 has the PROD_ID in bits 15:00, not in 16:01 as documented in TRM.
- * 1510 PROD_ID is empty, and 1610 PROD_ID does not make sense.
- * Undocumented register in TEST BLOCK is used as fallback; This seems to
- * work on 1510, 1610 & 1710. The official way hopefully will work in future
- * processors.
- */
-static u16 omap_get_jtag_id(void)
-{
-	u32 prod_id, omap_id;
-
-	prod_id = omap_readl(OMAP_PRODUCTION_ID_1);
-	omap_id = omap_readl(OMAP32_ID_1);
-
-	/* Check for unusable OMAP_PRODUCTION_ID_1 on 1611B/5912 and 730 */
-	if (((prod_id >> 20) == 0) || (prod_id == omap_id))
-		prod_id = 0;
-	else
-		prod_id &= 0xffff;
-
-	if (prod_id)
-		return prod_id;
-
-	/* Use OMAP32_ID_1 as fallback */
-	prod_id = ((omap_id >> 12) & 0xffff);
-
-	return prod_id;
-}
-
-/*
- * Get OMAP revision from DIE_REV.
- * Early 1710 processors may have broken OMAP_DIE_ID, it contains PROD_ID.
- * Undocumented register in the TEST BLOCK is used as fallback.
- * REVISIT: This does not seem to work on 1510
- */
-static u8 omap_get_die_rev(void)
-{
-	u32 die_rev;
-
-	die_rev = omap_readl(OMAP_DIE_ID_1);
-
-	/* Check for broken OMAP_DIE_ID on early 1710 */
-	if (((die_rev >> 12) & 0xffff) == omap_get_jtag_id())
-		die_rev = 0;
-
-	die_rev = (die_rev >> 17) & 0xf;
-	if (die_rev)
-		return die_rev;
-
-	die_rev = (omap_readl(OMAP32_ID_1) >> 28) & 0xf;
-
-	return die_rev;
-}
-
-static unsigned long dpll1(void)
-{
-	unsigned short pll_ctl_val = omap_readw(DPLL_CTL_REG);
-	unsigned long rate;
-
-	rate = CONFIG_SYS_CLK_FREQ; /* Base xtal rate */
-	if (pll_ctl_val & 0x10) {
-		/* PLL enabled, apply multiplier and divisor */
-		if (pll_ctl_val & 0xf80)
-			rate *= (pll_ctl_val & 0xf80) >> 7;
-		rate /= ((pll_ctl_val & 0x60) >> 5) + 1;
-	} else {
-		/* PLL disabled, apply bypass divisor */
-		switch (pll_ctl_val & 0xc) {
-		case 0:
-			break;
-		case 0x4:
-			rate /= 2;
-			break;
-		default:
-			rate /= 4;
-			break;
-		}
-	}
-
-	return rate;
-}
-
-static unsigned long armcore(void)
-{
-	unsigned short arm_ckctl = omap_readw(ARM_CKCTL);
-
-	return (dpll1() >> ((arm_ckctl & 0x0030) >> 4));
-}
-
-int print_cpuinfo (void)
-{
-	int i;
-	u16 jtag_id;
-	u8 die_rev;
-	u32 omap_id;
-	u8 cpu_type;
-	__maybe_unused u32 system_serial_high;
-	__maybe_unused u32 system_serial_low;
-	u32 system_rev = 0;
-
-	jtag_id = omap_get_jtag_id();
-	die_rev = omap_get_die_rev();
-	omap_id = omap_readl(OMAP32_ID_0);
-
-#ifdef DEBUG
-	printf("OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0));
-	printf("OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n",
-	       omap_readl(OMAP_DIE_ID_1),
-	       (omap_readl(OMAP_DIE_ID_1) >> 17) & 0xf);
-	printf("OMAP_PRODUCTION_ID_0: 0x%08x\n", omap_readl(OMAP_PRODUCTION_ID_0));
-	printf("OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n",
-	       omap_readl(OMAP_PRODUCTION_ID_1),
-	       omap_readl(OMAP_PRODUCTION_ID_1) & 0xffff);
-	printf("OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0));
-	printf("OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1));
-	printf("JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev);
-#endif
-
-	system_serial_high = omap_readl(OMAP_DIE_ID_0);
-	system_serial_low = omap_readl(OMAP_DIE_ID_1);
-
-	/* First check only the major version in a safe way */
-	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
-		if (jtag_id == (omap_ids[i].jtag_id)) {
-			system_rev = omap_ids[i].type;
-			break;
-		}
-	}
-
-	/* Check if we can find the die revision */
-	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
-		if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev) {
-			system_rev = omap_ids[i].type;
-			break;
-		}
-	}
-
-	/* Finally check also the omap_id */
-	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
-		if (jtag_id == omap_ids[i].jtag_id
-		    && die_rev == omap_ids[i].die_rev
-		    && omap_id == omap_ids[i].omap_id) {
-			system_rev = omap_ids[i].type;
-			break;
-		}
-	}
-
-	/* Add the cpu class info (7xx, 15xx, 16xx, 24xx) */
-	cpu_type = system_rev >> 24;
-
-	switch (cpu_type) {
-	case 0x07:
-		system_rev |= 0x07;
-		break;
-	case 0x03:
-	case 0x15:
-		system_rev |= 0x15;
-		break;
-	case 0x16:
-	case 0x17:
-		system_rev |= 0x16;
-		break;
-	case 0x24:
-		system_rev |= 0x24;
-		break;
-	default:
-		printf("Unknown OMAP cpu type: 0x%02x\n", cpu_type);
-	}
-
-	printf("CPU:   OMAP%04x", system_rev >> 16);
-	if ((system_rev >> 8) & 0xff)
-		printf("%x", (system_rev >> 8) & 0xff);
-#ifdef DEBUG
-	printf(" revision %i handled as %02xxx id: %08x%08x",
-	       die_rev, system_rev & 0xff, system_serial_low, system_serial_high);
-#endif
-	printf(" at %ld.%01ld MHz (DPLL1=%ld.%01ld MHz)\n",
-	       armcore() / 1000000, (armcore() / 100000) % 10,
-	       dpll1() / 1000000, (dpll1() / 100000) % 10);
-
-	return 0;
-}
-
-#endif /* #if defined(CONFIG_OMAP) */
diff --git a/arch/arm/cpu/arm926ejs/omap/reset.S b/arch/arm/cpu/arm926ejs/omap/reset.S
deleted file mode 100644
index 1c557b0d9106..000000000000
--- a/arch/arm/cpu/arm926ejs/omap/reset.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- *  armboot - Startup Code for ARM926EJS CPU-core
- *
- *  Copyright (c) 2003  Texas Instruments
- *
- *  ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
- *
- *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
- *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
- *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
- *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
- *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-	.align	5
-.globl reset_cpu
-reset_cpu:
-	ldr	r1, rstctl1	/* get clkm1 reset ctl */
-	mov	r3, #0x0
-	strh	r3, [r1]	/* clear it */
-	mov	r3, #0x8
-	strh	r3, [r1]	/* force dsp+arm reset */
-_loop_forever:
-	b	_loop_forever
-
-rstctl1:
-	.word	0xfffece10
diff --git a/arch/arm/cpu/arm926ejs/omap/timer.c b/arch/arm/cpu/arm926ejs/omap/timer.c
deleted file mode 100644
index b9715656c8f3..000000000000
--- a/arch/arm/cpu/arm926ejs/omap/timer.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * (C) Copyright 2003
- * Texas Instruments <www.ti.com>
- *
- * (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 2002-2004
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * (C) Copyright 2004
- * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-
-#define TIMER_CLOCK	(CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV))
-#define TIMER_LOAD_VAL	0xffffffff
-
-/* macro to read the 32 bit timer */
-#define READ_TIMER	readl(CONFIG_SYS_TIMERBASE+8) \
-			/ (TIMER_CLOCK / CONFIG_SYS_HZ)
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define timestamp gd->arch.tbl
-#define lastdec gd->arch.lastinc
-
-int timer_init (void)
-{
-	int32_t val;
-
-	/* Start the decrementer ticking down from 0xffffffff */
-	*((int32_t *) (CONFIG_SYS_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL;
-	val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CONFIG_SYS_PTV << MPUTIM_PTV_BIT);
-	*((int32_t *) (CONFIG_SYS_TIMERBASE + CNTL_TIMER)) = val;
-
-	/* init the timestamp and lastdec value */
-	reset_timer_masked();
-
-	return 0;
-}
-
-/*
- * timer without interrupts
- */
-ulong get_timer (ulong base)
-{
-	return get_timer_masked () - base;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay (unsigned long usec)
-{
-	ulong tmo, tmp;
-
-	if(usec >= 1000){		/* if "big" number, spread normalization to seconds */
-		tmo = usec / 1000;	/* start to normalize for usec to ticks per sec */
-		tmo *= CONFIG_SYS_HZ;	/* find number of "ticks" to wait to achieve target */
-		tmo /= 1000;		/* finish normalize. */
-	}else{				/* else small number, don't kill it prior to HZ multiply */
-		tmo = usec * CONFIG_SYS_HZ;
-		tmo /= (1000*1000);
-	}
-
-	tmp = get_timer (0);		/* get current timestamp */
-	if( (tmo + tmp + 1) < tmp )	/* if setting this fordward will roll time stamp */
-		reset_timer_masked ();	/* reset "advancing" timestamp to 0, set lastdec value */
-	else
-		tmo += tmp;		/* else, set advancing stamp wake up time */
-
-	while (get_timer_masked () < tmo)/* loop till event */
-		/*NOP*/;
-}
-
-void reset_timer_masked (void)
-{
-	/* reset time */
-	lastdec = READ_TIMER;  /* capure current decrementer value time */
-	timestamp = 0;	       /* start "advancing" time stamp from 0 */
-}
-
-ulong get_timer_masked (void)
-{
-	ulong now = READ_TIMER;		/* current tick value */
-
-	if (lastdec >= now) {		/* normal mode (non roll) */
-		/* normal mode */
-		timestamp += lastdec - now; /* move stamp fordward with absoulte diff ticks */
-	} else {			/* we have overflow of the count down timer */
-		/* nts = ts + ld + (TLV - now)
-		 * ts=old stamp, ld=time that passed before passing through -1
-		 * (TLV-now) amount of time after passing though -1
-		 * nts = new "advancing time stamp"...it could also roll and cause problems.
-		 */
-		timestamp += lastdec + (TIMER_LOAD_VAL / (TIMER_CLOCK /
-					CONFIG_SYS_HZ)) - now;
-	}
-	lastdec = now;
-
-	return timestamp;
-}
-
-/* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
-{
-	ulong tmo;
-	ulong endtime;
-	signed long diff;
-
-	if (usec >= 1000) {		/* if "big" number, spread normalization to seconds */
-		tmo = usec / 1000;	/* start to normalize for usec to ticks per sec */
-		tmo *= CONFIG_SYS_HZ;		/* find number of "ticks" to wait to achieve target */
-		tmo /= 1000;		/* finish normalize. */
-	} else {			/* else small number, don't kill it prior to HZ multiply */
-		tmo = usec * CONFIG_SYS_HZ;
-		tmo /= (1000*1000);
-	}
-
-	endtime = get_timer_masked () + tmo;
-
-	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;
-}
-- 
1.9.1