diff options
| -rw-r--r-- | README | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/s3c44b0/Makefile | 34 | ||||
| -rw-r--r-- | arch/arm/cpu/s3c44b0/cache.c | 74 | ||||
| -rw-r--r-- | arch/arm/cpu/s3c44b0/config.mk | 18 | ||||
| -rw-r--r-- | arch/arm/cpu/s3c44b0/cpu.c | 58 | ||||
| -rw-r--r-- | arch/arm/cpu/s3c44b0/start.S | 228 | ||||
| -rw-r--r-- | arch/arm/cpu/s3c44b0/timer.c | 102 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-s3c44b0/hardware.h | 281 |
8 files changed, 0 insertions, 796 deletions
@@ -144,7 +144,6 @@ Directory Hierarchy: /arm1136 Files specific to ARM 1136 CPUs /ixp Files specific to Intel XScale IXP CPUs /pxa Files specific to Intel XScale PXA CPUs - /s3c44b0 Files specific to Samsung S3C44B0 CPUs /sa1100 Files specific to Intel StrongARM SA1100 CPUs /lib Architecture specific library files /avr32 Files generic to AVR32 architecture diff --git a/arch/arm/cpu/s3c44b0/Makefile b/arch/arm/cpu/s3c44b0/Makefile deleted file mode 100644 index 39fdbf86c..000000000 --- a/arch/arm/cpu/s3c44b0/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 += cache.o -COBJS += cpu.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/s3c44b0/cache.c b/arch/arm/cpu/s3c44b0/cache.c deleted file mode 100644 index aeee02d85..000000000 --- a/arch/arm/cpu/s3c44b0/cache.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * (C) Copyright 2004 - * DAVE Srl - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <asm/hardware.h> - -static void s3c44b0_flush_cache(void) -{ - volatile int i; - /* flush cycle */ - for(i=0x10002000;i<0x10004800;i+=16) - { - *((int *)i)=0x0; - } -} - -void icache_enable (void) -{ - ulong reg; - - s3c44b0_flush_cache(); - - /* - Init cache - Non-cacheable area (everything outside RAM) - 0x0000:0000 - 0x0C00:0000 - */ - NCACHBE0 = 0xC0000000; - NCACHBE1 = 0x00000000; - - /* - Enable chache - */ - reg = SYSCFG; - reg |= 0x00000006; /* 8kB */ - SYSCFG = reg; -} - -void icache_disable (void) -{ - ulong reg; - - reg = SYSCFG; - reg &= ~0x00000006; /* 8kB */ - SYSCFG = reg; -} - -int icache_status (void) -{ - return 0; -} - -void dcache_enable (void) -{ - icache_enable(); -} - -void dcache_disable (void) -{ - icache_disable(); -} - -int dcache_status (void) -{ - return dcache_status(); -} diff --git a/arch/arm/cpu/s3c44b0/config.mk b/arch/arm/cpu/s3c44b0/config.mk deleted file mode 100644 index b902ca36a..000000000 --- a/arch/arm/cpu/s3c44b0/config.mk +++ /dev/null @@ -1,18 +0,0 @@ -# -# (C) Copyright 2002 -# Sysgo Real-Time Solutions, GmbH <www.elinos.com> -# Marius Groeger <mgroeger@sysgo.de> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float - -PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi -msoft-float -# ========================================================================= -# -# 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/s3c44b0/cpu.c b/arch/arm/cpu/s3c44b0/cpu.c deleted file mode 100644 index fa931503a..000000000 --- a/arch/arm/cpu/s3c44b0/cpu.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * (C) Copyright 2004 - * DAVE Srl - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * S3C44B0 CPU specific code - */ - -#include <common.h> -#include <command.h> -#include <asm/hardware.h> - -int arch_cpu_init (void) -{ - icache_enable(); - - return 0; -} - -int cleanup_before_linux (void) -{ - /* - cache memory should be enabled before calling - Linux to make the kernel uncompression faster - */ - icache_enable(); - - disable_interrupts (); - - return 0; -} - -void reset_cpu (ulong addr) -{ - /* - reset the cpu using watchdog - */ - - /* Disable the watchdog.*/ - WTCON&=~(1<<5); - - /* set the timeout value to a short time... */ - WTCNT = 0x1; - - /* Enable the watchdog. */ - WTCON|=1; - WTCON|=(1<<5); - - while(1) { - /*NOP*/ - } -} diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S deleted file mode 100644 index 6a59592f4..000000000 --- a/arch/arm/cpu/s3c44b0/start.S +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Startup Code for S3C44B0 CPU-core - * - * (C) Copyright 2004 - * DAVE Srl - * - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm-offsets.h> -#include <config.h> -#include <version.h> - -/* - * Jump vector table - */ - - -.globl _start -_start: b reset - add pc, pc, #0x0c000000 - add pc, pc, #0x0c000000 - add pc, pc, #0x0c000000 - add pc, pc, #0x0c000000 - add pc, pc, #0x0c000000 - add pc, pc, #0x0c000000 - add pc, pc, #0x0c000000 - - .balignl 16,0xdeadbeef - - -/* - ************************************************************************* - * - * Startup Code (reset vector) - * - * do important init only if we don't start from memory! - * relocate u-boot to ram - * setup stack - * jump to second stage - * - ************************************************************************* - */ - -.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 - - /* - * we do sys-critical inits only at reboot, - * not when booting from ram! - */ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - bl cpu_init_crit - /* - * before relocating, we have to setup RAM timing - * because memory timing is board-dependend, you will - * find a lowlevel_init.S in your board directory. - */ - bl lowlevel_init -#endif - - bl _main - -/*------------------------------------------------------------------------------*/ - - .globl c_runtime_cpu_setup -c_runtime_cpu_setup: - - bx lr - -/* - ************************************************************************* - * - * CPU_init_critical registers - * - * setup important registers - * setup memory timing - * - ************************************************************************* - */ - -#define INTCON (0x01c00000+0x200000) -#define INTMSK (0x01c00000+0x20000c) -#define LOCKTIME (0x01c00000+0x18000c) -#define PLLCON (0x01c00000+0x180000) -#define CLKCON (0x01c00000+0x180004) -#define WTCON (0x01c00000+0x130000) -cpu_init_crit: - /* disable watch dog */ - ldr r0, =WTCON - ldr r1, =0x0 - str r1, [r0] - - /* - * mask all IRQs by clearing all bits in the INTMRs - */ - ldr r1,=INTMSK - ldr r0, =0x03fffeff - str r0, [r1] - - ldr r1, =INTCON - ldr r0, =0x05 - str r0, [r1] - - /* Set Clock Control Register */ - ldr r1, =LOCKTIME - ldrb r0, =800 - strb r0, [r1] - - ldr r1, =PLLCON - -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - ldr r0, =0x34031 /* 66MHz (Quartz=11MHz) */ -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - ldr r0, =0x610c1 /*B2: Xtal=20mhz Fclk=75MHz */ -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif - - str r0, [r1] - - ldr r1,=CLKCON - ldr r0, =0x7ff8 - str r0, [r1] - - mov pc, lr - - -/*************************************************/ -/* interrupt vectors */ -/*************************************************/ -real_vectors: - b reset - b undefined_instruction - b software_interrupt - b prefetch_abort - b data_abort - b not_used - b irq - b fiq - -/*************************************************/ - -undefined_instruction: - mov r6, #3 - b reset - -software_interrupt: - mov r6, #4 - b reset - -prefetch_abort: - mov r6, #5 - b reset - -data_abort: - mov r6, #6 - b reset - -not_used: - /* we *should* never reach this */ - mov r6, #7 - b reset - -irq: - mov r6, #8 - b reset - -fiq: - mov r6, #9 - b reset diff --git a/arch/arm/cpu/s3c44b0/timer.c b/arch/arm/cpu/s3c44b0/timer.c deleted file mode 100644 index f25af7a39..000000000 --- a/arch/arm/cpu/s3c44b0/timer.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * (C) Copyright 2004 - * DAVE Srl - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/hardware.h> - -/* we always count down the max. */ -#define TIMER_LOAD_VAL 0xffff - -/* macro to read the 16 bit timer */ -#define READ_TIMER (TCNTO1 & 0xffff) - -#ifdef CONFIG_USE_IRQ -#error CONFIG_USE_IRQ NOT supported -#endif - -static ulong timestamp; -static ulong lastdec; - -int timer_init (void) -{ - TCFG0 = 0x000000E9; - TCFG1 = 0x00000004; - TCON = 0x00000900; - TCNTB1 = TIMER_LOAD_VAL; - TCMPB1 = 0; - TCON = 0x00000B00; - TCON = 0x00000900; - - - lastdec = TCNTB1 = TIMER_LOAD_VAL; - timestamp = 0; - return 0; -} - -/* - * timer without interrupts - */ -ulong get_timer (ulong base) -{ - return get_timer_masked () - base; -} - -void __udelay (unsigned long usec) -{ - ulong tmo; - - tmo = usec / 1000; - tmo *= CONFIG_SYS_HZ; - tmo /= 8; - - tmo += get_timer (0); - - while (get_timer_masked () < tmo) - /*NOP*/; -} - -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER; - - if (lastdec >= now) { - /* normal mode */ - timestamp += lastdec - now; - } else { - /* we have an overflow ... */ - timestamp += lastdec + TIMER_LOAD_VAL - now; - } - lastdec = now; - - return timestamp; -} - -void udelay_masked (unsigned long usec) -{ - ulong tmo; - ulong endtime; - signed long diff; - - if (usec >= 1000) { - tmo = usec / 1000; - tmo *= CONFIG_SYS_HZ; - tmo /= 8; - } else { - tmo = usec * CONFIG_SYS_HZ; - tmo /= (1000*8); - } - - endtime = get_timer(0) + tmo; - - do { - ulong now = get_timer_masked (); - diff = endtime - now; - } while (diff >= 0); -} diff --git a/arch/arm/include/asm/arch-s3c44b0/hardware.h b/arch/arm/include/asm/arch-s3c44b0/hardware.h deleted file mode 100644 index 146e265d9..000000000 --- a/arch/arm/include/asm/arch-s3c44b0/hardware.h +++ /dev/null @@ -1,281 +0,0 @@ -/********************************************************/ -/* */ -/* Samsung S3C44B0 */ -/* tpu <tapu@371.net> */ -/* */ -/********************************************************/ -#ifndef __ASM_ARCH_HARDWARE_H -#define __ASM_ARCH_HARDWARE_H - -#define REGBASE 0x01c00000 -#define REGL(addr) (*(volatile unsigned int *)(REGBASE+addr)) -#define REGW(addr) (*(volatile unsigned short *)(REGBASE+addr)) -#define REGB(addr) (*(volatile unsigned char *)(REGBASE+addr)) - - -/*****************************/ -/* CPU Wrapper Registers */ -/*****************************/ - -#define SYSCFG REGL(0x000000) -#define NCACHBE0 REGL(0x000004) -#define NCACHBE1 REGL(0x000008) -#define SBUSCON REGL(0x040000) - -/************************************/ -/* Memory Controller Registers */ -/************************************/ - -#define BWSCON REGL(0x080000) -#define BANKCON0 REGL(0x080004) -#define BANKCON1 REGL(0x080008) -#define BANKCON2 REGL(0x08000c) -#define BANKCON3 REGL(0x080010) -#define BANKCON4 REGL(0x080014) -#define BANKCON5 REGL(0x080018) -#define BANKCON6 REGL(0x08001c) -#define BANKCON7 REGL(0x080020) -#define REFRESH REGL(0x080024) -#define BANKSIZE REGL(0x080028) -#define MRSRB6 REGL(0x08002c) -#define MRSRB7 REGL(0x080030) - -/*********************/ -/* UART Registers */ -/*********************/ - -#define ULCON0 REGL(0x100000) -#define ULCON1 REGL(0x104000) -#define UCON0 REGL(0x100004) -#define UCON1 REGL(0x104004) -#define UFCON0 REGL(0x100008) -#define UFCON1 REGL(0x104008) -#define UMCON0 REGL(0x10000c) -#define UMCON1 REGL(0x10400c) -#define UTRSTAT0 REGL(0x100010) -#define UTRSTAT1 REGL(0x104010) -#define UERSTAT0 REGL(0x100014) -#define UERSTAT1 REGL(0x104014) -#define UFSTAT0 REGL(0x100018) -#define UFSTAT1 REGL(0x104018) -#define UMSTAT0 REGL(0x10001c) -#define UMSTAT1 REGL(0x10401c) -#define UTXH0 REGB(0x100020) -#define UTXH1 REGB(0x104020) -#define URXH0 REGB(0x100024) -#define URXH1 REGB(0x104024) -#define UBRDIV0 REGL(0x100028) -#define UBRDIV1 REGL(0x104028) - -/*******************/ -/* SIO Registers */ -/*******************/ - -#define SIOCON REGL(0x114000) -#define SIODAT REGL(0x114004) -#define SBRDR REGL(0x114008) -#define ITVCNT REGL(0x11400c) -#define DCNTZ REGL(0x114010) - -/********************/ -/* IIS Registers */ -/********************/ - -#define IISCON REGL(0x118000) -#define IISMOD REGL(0x118004) -#define IISPSR REGL(0x118008) -#define IISFIFCON REGL(0x11800c) -#define IISFIF REGW(0x118010) - -/**************************/ -/* I/O Ports Registers */ -/**************************/ - -#define PCONA REGL(0x120000) -#define PDATA REGL(0x120004) -#define PCONB REGL(0x120008) -#define PDATB REGL(0x12000c) -#define PCONC REGL(0x120010) -#define PDATC REGL(0x120014) -#define PUPC REGL(0x120018) -#define PCOND REGL(0x12001c) -#define PDATD REGL(0x120020) -#define PUPD REGL(0x120024) -#define PCONE REGL(0x120028) -#define PDATE REGL(0x12002c) -#define PUPE REGL(0x120030) -#define PCONF REGL(0x120034) -#define PDATF REGL(0x120038) -#define PUPF REGL(0x12003c) -#define PCONG REGL(0x120040) -#define PDATG REGL(0x120044) -#define PUPG REGL(0x120048) -#define SPUCR REGL(0x12004c) -#define EXTINT REGL(0x120050) -#define EXTINTPND REGL(0x120054) - -/*********************************/ -/* WatchDog Timers Registers */ -/*********************************/ - -#define WTCON REGL(0x130000) -#define WTDAT REGL(0x130004) -#define WTCNT REGL(0x130008) - -/*********************************/ -/* A/D Converter Registers */ -/*********************************/ - -#define ADCCON REGL(0x140000) -#define ADCPSR REGL(0x140004) -#define ADCDAT REGL(0x140008) - -/***************************/ -/* PWM Timer Registers */ -/***************************/ - -#define TCFG0 REGL(0x150000) -#define TCFG1 REGL(0x150004) -#define TCON REGL(0x150008) -#define TCNTB0 REGL(0x15000c) -#define TCMPB0 REGL(0x150010) -#define TCNTO0 REGL(0x150014) -#define TCNTB1 REGL(0x150018) -#define TCMPB1 REGL(0x15001c) -#define TCNTO1 REGL(0x150020) -#define TCNTB2 REGL(0x150024) -#define TCMPB2 REGL(0x150028) -#define TCNTO2 REGL(0x15002c) -#define TCNTB3 REGL(0x150030) -#define TCMPB3 REGL(0x150034) -#define TCNTO3 REGL(0x150038) -#define TCNTB4 REGL(0x15003c) -#define TCMPB4 REGL(0x150040) -#define TCNTO4 REGL(0x150044) -#define TCNTB5 REGL(0x150048) -#define TCNTO5 REGL(0x15004c) - -/*********************/ -/* IIC Registers */ -/*********************/ - -#define IICCON REGL(0x160000) -#define IICSTAT REGL(0x160004) -#define IICADD REGL(0x160008) -#define IICDS REGL(0x16000c) - -/*********************/ -/* RTC Registers */ -/*********************/ - -#define RTCCON REGB(0x170040) -#define RTCALM REGB(0x170050) -#define ALMSEC REGB(0x170054) -#define ALMMIN REGB(0x170058) -#define ALMHOUR REGB(0x17005c) -#define ALMDAY REGB(0x170060) -#define ALMMON REGB(0x170064) -#define ALMYEAR REGB(0x170068) -#define RTCRST REGB(0x17006c) -#define BCDSEC REGB(0x170070) -#define BCDMIN REGB(0x170074) -#define BCDHOUR REGB(0x170078) -#define BCDDAY REGB(0x17007c) -#define BCDDATE REGB(0x170080) -#define BCDMON REGB(0x170084) -#define BCDYEAR REGB(0x170088) -#define TICINT REGB(0x17008c) - -/*********************************/ -/* Clock & Power Registers */ -/*********************************/ - -#define PLLCON REGL(0x180000) -#define CLKCON REGL(0x180004) -#define CLKSLOW REGL(0x180008) -#define LOCKTIME REGL(0x18000c) - -/**************************************/ -/* Interrupt Controller Registers */ -/**************************************/ - -#define INTCON REGL(0x200000) -#define INTPND REGL(0x200004) -#define INTMOD REGL(0x200008) -#define INTMSK REGL(0x20000c) -#define I_PSLV REGL(0x200010) -#define I_PMST REGL(0x200014) -#define I_CSLV REGL(0x200018) -#define I_CMST REGL(0x20001c) -#define I_ISPR REGL(0x200020) -#define I_ISPC REGL(0x200024) -#define F_ISPR REGL(0x200038) -#define F_ISPC REGL(0x20003c) - -/********************************/ -/* LCD Controller Registers */ -/********************************/ - -#define LCDCON1 REGL(0x300000) -#define LCDCON2 REGL(0x300004) -#define LCDSADDR1 REGL(0x300008) -#define LCDSADDR2 REGL(0x30000c) -#define LCDSADDR3 REGL(0x300010) -#define REDLUT REGL(0x300014) -#define GREENLUT REGL(0x300018) -#define BLUELUT REGL(0x30001c) -#define DP1_2 REGL(0x300020) -#define DP4_7 REGL(0x300024) -#define DP3_5 REGL(0x300028) -#define DP2_3 REGL(0x30002c) -#define DP5_7 REGL(0x300030) -#define DP3_4 REGL(0x300034) -#define DP4_5 REGL(0x300038) -#define DP6_7 REGL(0x30003c) -#define LCDCON3 REGL(0x300040) -#define DITHMODE REGL(0x300044) - -/*********************/ -/* DMA Registers */ -/*********************/ - -#define ZDCON0 REGL(0x280000) -#define ZDISRC0 REGL(0x280004) -#define ZDIDES0 REGL(0x280008) -#define ZDICNT0 REGL(0x28000c) -#define ZDCSRC0 REGL(0x280010) -#define ZDCDES0 REGL(0x280014) -#define ZDCCNT0 REGL(0x280018) - -#define ZDCON1 REGL(0x280020) -#define ZDISRC1 REGL(0x280024) -#define ZDIDES1 REGL(0x280028) -#define ZDICNT1 REGL(0x28002c) -#define ZDCSRC1 REGL(0x280030) -#define ZDCDES1 REGL(0x280034) -#define ZDCCNT1 REGL(0x280038) - -#define BDCON0 REGL(0x380000) -#define BDISRC0 REGL(0x380004) -#define BDIDES0 REGL(0x380008) -#define BDICNT0 REGL(0x38000c) -#define BDCSRC0 REGL(0x380010) -#define BDCDES0 REGL(0x380014) -#define BDCCNT0 REGL(0x380018) - -#define BDCON1 REGL(0x380020) -#define BDISRC1 REGL(0x380024) -#define BDIDES1 REGL(0x380028) -#define BDICNT1 REGL(0x38002c) -#define BDCSRC1 REGL(0x380030) -#define BDCDES1 REGL(0x380034) -#define BDCCNT1 REGL(0x380038) - - -#define CLEAR_PEND_INT(n) I_ISPC = (1<<(n)) -#define INT_ENABLE(n) INTMSK &= ~(1<<(n)) -#define INT_DISABLE(n) INTMSK |= (1<<(n)) - -#define HARD_RESET_NOW() - -#endif /* __ASM_ARCH_HARDWARE_H */ |