omap1510inn: arm925t: remove support

omap1510inn is orphan and has been for years now.
Reove it and, as it was the only arm925t target,
also remove arm925t support.
Update doc/README.scrapyard accordingly.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>

6 files changed, 0 insertions, 608 deletions

diff --git a/arch/arm/cpu/arm925t/Makefile b/arch/arm/cpu/arm925t/Makefile
deleted file mode 100644
index 40d2156..0000000
--- a/arch/arm/cpu/arm925t/Makefile
+++ /dev/null
@@ -1,34 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-
-COBJS	+= cpu.o
-COBJS	+= omap925.o
-COBJS	+= timer.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/arch/arm/cpu/arm925t/config.mk b/arch/arm/cpu/arm925t/config.mk
deleted file mode 100644
index 67537dc..0000000
--- a/arch/arm/cpu/arm925t/config.mk
+++ /dev/null
@@ -1,15 +0,0 @@
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-PLATFORM_CPPFLAGS += -march=armv4
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# =========================================================================
-PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
-PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)
diff --git a/arch/arm/cpu/arm925t/cpu.c b/arch/arm/cpu/arm925t/cpu.c
deleted file mode 100644
index d0f8e1e..0000000
--- a/arch/arm/cpu/arm925t/cpu.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <arm925t.h>
-#include <asm/system.h>
-
-static void cache_flush(void);
-
-int cleanup_before_linux (void)
-{
-	/*
-	 * this function is called just before we call linux
-	 * it prepares the processor for linux
-	 *
-	 * we turn off caches etc ...
-	 */
-
-	disable_interrupts ();
-
-
-	/* turn off I/D-cache */
-	icache_disable();
-	dcache_disable();
-	/* flush I/D-cache */
-	cache_flush();
-
-	return 0;
-}
-
-/* flush I/D-cache */
-static void cache_flush (void)
-{
-	unsigned long i = 0;
-
-	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));
-}
diff --git a/arch/arm/cpu/arm925t/omap925.c b/arch/arm/cpu/arm925t/omap925.c
deleted file mode 100644
index c0402d1..0000000
--- a/arch/arm/cpu/arm925t/omap925.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * (C) Copyright 2003
- * Texas Instruments <www.ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <arm925t.h>
-
-#define MIF_CONFIG_REG 0xFFFECC0C
-#define FLASH_GLOBAL_CTRL_NWP 1
-
-void archflashwp (void *archdata, int wp)
-{
-	ulong *fgc = (ulong *) MIF_CONFIG_REG;
-
-	if (wp == 1)
-		*fgc &= ~FLASH_GLOBAL_CTRL_NWP;
-	else
-		*fgc |= FLASH_GLOBAL_CTRL_NWP;
-}
diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S
deleted file mode 100644
index 1e765b7..0000000
--- a/arch/arm/cpu/arm925t/start.S
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- *  armboot - Startup Code for ARM925 CPU-core
- *
- *  Copyright (c) 2003  Texas Instruments
- *
- *  ----- Adapted for OMAP1510 from ARM920 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+
- */
-
-#include <asm-offsets.h>
-#include <config.h>
-#include <version.h>
-
-/*
- *************************************************************************
- *
- * Jump vector table as in table 3.1 in [1]
- *
- *************************************************************************
- */
-
-
-.globl _start
-_start:	b       reset
-	ldr	pc, _undefined_instruction
-	ldr	pc, _software_interrupt
-	ldr	pc, _prefetch_abort
-	ldr	pc, _data_abort
-	ldr	pc, _not_used
-	ldr	pc, _irq
-	ldr	pc, _fiq
-
-_undefined_instruction:	.word undefined_instruction
-_software_interrupt:	.word software_interrupt
-_prefetch_abort:	.word prefetch_abort
-_data_abort:		.word data_abort
-_not_used:		.word not_used
-_irq:			.word irq
-_fiq:			.word fiq
-
-	.balignl 16,0xdeadbeef
-
-
-/*
- *************************************************************************
- *
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * setup Memory and board specific bits prior to relocation.
- * relocate armboot to ram
- * setup stack
- *
- *************************************************************************
- */
-
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
-	.word	CONFIG_SPL_TEXT_BASE
-#else
-	.word	CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
-	.word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
-	.word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
-	.word _end - _start
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
-	.word	0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
-	.word 0x0badc0de
-#endif
-
-/* IRQ stack memory (calculated at run-time) + 8 bytes */
-.globl IRQ_STACK_START_IN
-IRQ_STACK_START_IN:
-	.word	0x0badc0de
-
-/*
- * the actual reset code
- */
-
-reset:
-	/*
-	 * set the cpu to SVC32 mode
-	 */
-	mrs	r0,cpsr
-	bic	r0,r0,#0x1f
-	orr	r0,r0,#0xd3
-	msr	cpsr,r0
-
-	/*
-	 * Set up 925T mode
-	 */
-	mov r1, #0x81               /* Set ARM925T configuration. */
-	mcr p15, 0, r1, c15, c1, 0  /* Write ARM925T configuration register. */
-
-	/*
-	 * turn off the watchdog, unlock/diable sequence
-	 */
-	mov  r1, #0xF5
-	ldr  r0, =WDTIM_MODE
-	strh r1, [r0]
-	mov  r1, #0xA0
-	strh r1, [r0]
-
-	/*
-	 * mask all IRQs by setting all bits in the INTMR - default
-	 */
-	mov r1, #0xffffffff
-	ldr r0, =REG_IHL1_MIR
-	str r1, [r0]
-	ldr r0, =REG_IHL2_MIR
-	str r1, [r0]
-
-	/*
-	 * wait for dpll to lock
-	 */
-	ldr  r0, =CK_DPLL1
-	mov  r1, #0x10
-	strh r1, [r0]
-poll1:
-	ldrh r1, [r0]
-	ands r1, r1, #0x01
-	beq poll1
-
-	/*
-	 * we do sys-critical inits only at reboot,
-	 * not when booting from ram!
-	 */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-	bl  cpu_init_crit
-#endif
-
-	bl	_main
-
-/*------------------------------------------------------------------------------*/
-
-	.globl	c_runtime_cpu_setup
-c_runtime_cpu_setup:
-
-	mov	pc, lr
-
-/*
- *************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************
- */
-
-
-cpu_init_crit:
-	/*
-	 * flush v4 I/D caches
-	 */
-	mov	r0, #0
-	mcr	p15, 0, r0, c7, c7, 0	/* flush v3/v4 cache */
-	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 TLB */
-
-	/*
-	 * disable MMU stuff and caches
-	 */
-	mrc	p15, 0, r0, c1, c0, 0
-	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
-	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
-	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
-	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
-	mcr	p15, 0, r0, c1, c0, 0
-
-	/*
-	 * Go setup Memory and board specific bits prior to relocation.
-	 */
-	mov	ip, lr          /* perserve link reg across call */
-	bl	lowlevel_init   /* go setup pll,mux,memory */
-	mov	lr, ip          /* restore link */
-	mov	pc, lr          /* back to my caller */
-/*
- *************************************************************************
- *
- * Interrupt handling
- *
- *************************************************************************
- */
-
-@
-@ IRQ stack frame.
-@
-#define S_FRAME_SIZE	72
-
-#define S_OLD_R0	68
-#define S_PSR		64
-#define S_PC		60
-#define S_LR		56
-#define S_SP		52
-
-#define S_IP		48
-#define S_FP		44
-#define S_R10		40
-#define S_R9		36
-#define S_R8		32
-#define S_R7		28
-#define S_R6		24
-#define S_R5		20
-#define S_R4		16
-#define S_R3		12
-#define S_R2		8
-#define S_R1		4
-#define S_R0		0
-
-#define MODE_SVC 0x13
-#define I_BIT	 0x80
-
-/*
- * use bad_save_user_regs for abort/prefetch/undef/swi ...
- * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
- */
-
-	.macro	bad_save_user_regs
-	sub	sp, sp, #S_FRAME_SIZE           @ carve out a frame on current user stack
-	stmia	sp, {r0 - r12}			@ Save user registers (now in svc mode) r0-r12
-
-	ldr	r2, IRQ_STACK_START_IN
-	ldmia	r2, {r2 - r3}                   @ get values for "aborted" pc and cpsr (into parm regs)
-	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
-
-	add	r5, sp, #S_SP
-	mov	r1, lr
-	stmia	r5, {r0 - r3}                   @ save sp_SVC, lr_SVC, pc, cpsr
-	mov	r0, sp                          @ save current stack into r0 (param register)
-	.endm
-
-	.macro	irq_save_user_regs
-	sub	sp, sp, #S_FRAME_SIZE
-	stmia	sp, {r0 - r12}			@ Calling r0-r12
-	add     r8, sp, #S_PC                   @ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good.
-	stmdb   r8, {sp, lr}^                   @ Calling SP, LR
-	str     lr, [r8, #0]                    @ Save calling PC
-	mrs     r6, spsr
-	str     r6, [r8, #4]                    @ Save CPSR
-	str     r0, [r8, #8]                    @ Save OLD_R0
-	mov	r0, sp
-	.endm
-
-	.macro	irq_restore_user_regs
-	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
-	mov	r0, r0
-	ldr	lr, [sp, #S_PC]			@ Get PC
-	add	sp, sp, #S_FRAME_SIZE
-	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
-	.endm
-
-	.macro get_bad_stack
-	ldr	r13, IRQ_STACK_START_IN
-
-	str	lr, [r13]			@ save caller lr in position 0 of saved stack
-	mrs	lr, spsr                        @ get the spsr
-	str     lr, [r13, #4]                   @ save spsr in position 1 of saved stack
-
-	mov	r13, #MODE_SVC			@ prepare SVC-Mode
-	@ msr	spsr_c, r13
-	msr	spsr, r13                       @ switch modes, make sure moves will execute
-	mov	lr, pc                          @ capture return pc
-	movs	pc, lr                          @ jump to next instruction & switch modes.
-	.endm
-
-	.macro get_irq_stack			@ setup IRQ stack
-	ldr	sp, IRQ_STACK_START
-	.endm
-
-	.macro get_fiq_stack			@ setup FIQ stack
-	ldr	sp, FIQ_STACK_START
-	.endm
-
-/*
- * exception handlers
- */
-	.align  5
-undefined_instruction:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_undefined_instruction
-
-	.align	5
-software_interrupt:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_software_interrupt
-
-	.align	5
-prefetch_abort:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_prefetch_abort
-
-	.align	5
-data_abort:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_data_abort
-
-	.align	5
-not_used:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_not_used
-
-#ifdef CONFIG_USE_IRQ
-
-	.align	5
-irq:
-	get_irq_stack
-	irq_save_user_regs
-	bl	do_irq
-	irq_restore_user_regs
-
-	.align	5
-fiq:
-	get_fiq_stack
-	/* someone ought to write a more effiction fiq_save_user_regs */
-	irq_save_user_regs
-	bl	do_fiq
-	irq_restore_user_regs
-
-#else
-
-	.align	5
-irq:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_irq
-
-	.align	5
-fiq:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_fiq
-
-#endif
-
-	.align	5
-.globl reset_cpu
-reset_cpu:
-	ldr	r1, rstctl1     /* get clkm1 reset ctl */
-	mov     r3, #0x3	/* dsp_en + arm_rst = global reset */
-	strh	r3, [r1]        /* force reset */
-	mov	r0, r0
-_loop_forever:
-	b	_loop_forever
-rstctl1:
-	.word	0xfffece10
diff --git a/arch/arm/cpu/arm925t/timer.c b/arch/arm/cpu/arm925t/timer.c
deleted file mode 100644
index e56b576..0000000
--- a/arch/arm/cpu/arm925t/timer.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * (C) Copyright 2009
- * 2N Telekomunikace, <www.2n.cz>
- *
- * (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
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+ 
- */
-
-#include <common.h>
-#include <arm925t.h>
-#include <configs/omap1510.h>
-#include <asm/io.h>
-
-#define TIMER_LOAD_VAL	0xffffffff
-#define TIMER_CLOCK	(CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV))
-
-static uint32_t timestamp;
-static uint32_t lastdec;
-
-/* nothing really to do with interrupts, just starts up a counter. */
-int timer_init (void)
-{
-	/* Start the decrementer ticking down from 0xffffffff */
-	__raw_writel(TIMER_LOAD_VAL, CONFIG_SYS_TIMERBASE + LOAD_TIM);
-	__raw_writel(MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE |
-		(CONFIG_SYS_PTV << MPUTIM_PTV_BIT),
-		CONFIG_SYS_TIMERBASE + CNTL_TIMER);
-
-	/* init the timestamp and lastdec value */
-	lastdec = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM) /
-			(TIMER_CLOCK / CONFIG_SYS_HZ);
-	timestamp = 0;	       /* start "advancing" time stamp from 0 */
-
-	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)
-{
-	int32_t tmo = usec * (TIMER_CLOCK / 1000) / 1000;
-	uint32_t now, last = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM);
-
-	while (tmo > 0) {
-		now = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM);
-		if (last < now) /* count down timer underflow */
-			tmo -= TIMER_LOAD_VAL - now + last;
-		else
-			tmo -= last - now;
-		last = now;
-	}
-}
-
-ulong get_timer_masked (void)
-{
-	uint32_t now = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM) /
-			(TIMER_CLOCK / CONFIG_SYS_HZ);
-	if (lastdec < now)	/* count down timer underflow */
-		timestamp += TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ) -
-				now + lastdec;
-	else
-		timestamp += lastdec - now;
-	lastdec = now;
-
-	return timestamp;
-}
-
-/*
- * 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;
-}