patch-2.4.13 linux/arch/arm/boot/compressed/setup-sa1100.S

• Lines: 164
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.12/linux/arch/arm/boot/compressed/setup-sa1100.S
• Orig date: Tue Jul 3 17:08:18 2001

diff -u --recursive --new-file v2.4.12/linux/arch/arm/boot/compressed/setup-sa1100.S linux/arch/arm/boot/compressed/setup-sa1100.S
@@ -1,163 +0,0 @@
-/*
- * linux/arch/arm/boot/compressed/setup-sa1100.S
- *
- * Copyright (C) 2000 Nicolas Pitre <nico@cam.org>
- *
- * SA1100 setup routines, to be used after BSS has been cleared.
- *
- * John G Dorsey <john+@cs.cmu.edu>  2000/05/25 :
- *  Runtime test for Neponset added.
- */
-
-#include <linux/linkage.h>
-#include <linux/config.h>
-#include <asm/mach-types.h>
-
-		.text
-
-GPIO_BASE:	.long	0x90040000
-#define GPLR		0x00
-#define GPDR		0x04
-#define GPSR		0x08
-#define GAFR		0x1c
-
-PPC_BASE:	.long	0x90060000
-#define PPAR		0x08
-
-IC_BASE:	.long	0x90050000
-#define ICMR		0x04
-
-UART1_BASE:	.long	0x80010000
-UART3_BASE:	.long	0x80050000
-#define UTCR0           0x00
-#define UTCR1           0x04
-#define UTCR2           0x08
-#define UTCR3           0x0c
-#define UTSR0           0x1c
-#define UTSR1           0x20
-
-#ifndef CONFIG_SA1100_DEFAULT_BAUDRATE
-#define CONFIG_SA1100_DEFAULT_BAUDRATE	9600
-#endif
-
-#define BAUD_DIV	((230400/CONFIG_SA1100_DEFAULT_BAUDRATE)-1)
-
-SCR_loc:	.long	SYMBOL_NAME(SCR_value)
-#define GPIO_2_9	0x3fc
-
-
-/*
- * void sa1100_setup( int arch_id );
- *
- * This is called from decompress_kernel() with the arch_decomp_setup() macro.
- */
-
-ENTRY(sa1100_setup)
-		mov	r3, r0			@ keep machine type in r3
-
-		@ Clear all interrupt sources
-		ldr	r0, IC_BASE
-		mov	r1, #0
-		str	r1, [r0, #ICMR]
-
-@ Read System Configuration "Register" for Assabet.
-@ (taken from "Intel StrongARM SA-1110 Microprocessor Development Board
-@ User's Guide," p.4-9)
-
-		teq	r3, #MACH_TYPE_ASSABET
-		bne	skip_SCR
-
-		ldr	r0, GPIO_BASE
-		ldr	r1, [r0, #GPDR]
-		and	r1, r1, #GPIO_2_9
-		str	r1, [r0, #GPDR]
-		mov	r1, #GPIO_2_9
-		str	r1, [r0, #GPSR]
-		ldr	r1, [r0, #GPDR]
-		bic	r1, r1, #GPIO_2_9
-		str	r1, [r0, #GPDR]
-
-		mov	r2, #100
-1:		ldr	r1, [r0, #GPLR]
-		subs	r2, r2, #1
-		bne	1b
-
-		and	r2, r1, #GPIO_2_9
-		ldr	r1, SCR_loc
-		str	r2, [r1]
-
-		ldr	r1, [r0, #GPDR]
-		and	r1, r1, #GPIO_2_9
-		str	r1, [r0, #GPDR]
-
-skip_SCR:
-
-		@ Initialize UART (if bootloader has not done it yet)...
-		teq	r3, #MACH_TYPE_BRUTUS
-		teqne	r3, #MACH_TYPE_ASSABET
-		teqne   r3, #MACH_TYPE_ITSY
-		teqne   r3, #MACH_TYPE_OMNIMETER
-		teqne   r3, #MACH_TYPE_JORNADA720
-		teqne	r3, #MACH_TYPE_GRAPHICSCLIENT
-		teqne	r3, #MACH_TYPE_FLEXANET
-		bne	skip_uart
-
-		@ UART3 if Assabet is used with Neponset
-		teq	r3, #MACH_TYPE_ASSABET	@ if Assabet 
-		tsteq	r2, #(1 << 9)		@ ... and Neponset present
-		ldreq	r0, UART3_BASE
-		beq	uart_init
-
-		@ UART3 on GraphicsClient
-		teq	r3, #MACH_TYPE_GRAPHICSCLIENT
-		ldreq	r0, UART3_BASE
-		beq	uart_init
-
-		@ At least for Brutus, the UART1 is used through
-		@ the alternate GPIO function...
-		teq	r3, #MACH_TYPE_BRUTUS
-		bne	uart1
-
-alt_GPIO_uart:	ldr	r0, GPIO_BASE
-		ldr	r1, [r0, #GPDR]
-		bic	r1, r1, #1<<15
-		orr	r1, r1, #1<<14
-		str	r1, [r0, #GPDR]
-		ldr	r1, [r0, #GAFR]
-		orr	r1, r1, #(1<<15)|(1<<14)
-		str	r1, [r0, #GAFR]
-		ldr	r0, PPC_BASE
-		ldr	r1, [r0, #PPAR]
-		orr	r1, r1, #1<<12
-		str	r1, [r0, #PPAR]
-
-uart1:		ldr	r0, UART1_BASE
-
-uart_init:
-1:		ldr	r1, [r0, #UTSR1]
-		tst	r1, #1<<0		@ TBY
-		bne	1b
-		mov	r1, #0
-		str	r1, [r0, #UTCR3]
-		mov	r1, #0x08		@ 8N1
-		str	r1, [r0, #UTCR0]
-		mov	r1, #BAUD_DIV
-		str	r1, [r0, #UTCR2]
-		mov	r1, r1, lsr #8
-		str	r1, [r0, #UTCR1]
-		mov	r1, #0x03		@ RXE + TXE
-		str	r1, [r0, #UTCR3]
-		mov	r1, #0xff		@ flush status reg
-		str	r1, [r0, #UTSR0]
-skip_uart:
-
-		@ Extra specific setup calls
-		@ The machine type is passed in r0
-		mov	r0, r3
-#ifdef CONFIG_SA1100_NANOENGINE
-		teq	r0, #MACH_TYPE_NANOENGINE
-		beq	SYMBOL_NAME(bse_setup)
-#endif
-
-out:		mov	pc, lr
-