diff options
| -rw-r--r-- | CREDITS | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/cpu.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/interrupts.c | 106 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/s3c4510b/Makefile | 45 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/s3c4510b/cache.c | 86 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/start.S | 19 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-s3c4510b/hardware.h | 272 | ||||
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/s3c4510b_uart.c | 231 | ||||
| -rw-r--r-- | drivers/serial/s3c4510b_uart.h | 109 | ||||
| -rw-r--r-- | drivers/serial/serial.c | 2 |
11 files changed, 2 insertions, 876 deletions
@@ -79,11 +79,6 @@ N: Oliver Brown E: obrown@adventnetworks.com D: Port to the gw8260 board -N: Curt Brune -E: curt@cucy.com -D: Added support for Samsung S3C4510B CPU (ARM7tdmi based SoC) -W: http://www.cucy.com - N: Jonathan De Bruyne E: jonathan.debruyne@siemens.atea.be D: Port to Siemens IAD210 board diff --git a/arch/arm/cpu/arm720t/cpu.c b/arch/arm/cpu/arm720t/cpu.c index e25f6f2..864720f 100644 --- a/arch/arm/cpu/arm720t/cpu.c +++ b/arch/arm/cpu/arm720t/cpu.c @@ -46,7 +46,7 @@ int cleanup_before_linux (void) * and we set the CPU-speed to 73 MHz - see start.S for details */ -#if defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) +#if defined(CONFIG_NETARM) disable_interrupts (); /* Nothing more needed */ #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) diff --git a/arch/arm/cpu/arm720t/interrupts.c b/arch/arm/cpu/arm720t/interrupts.c index 5b21cc3..e3b59fe 100644 --- a/arch/arm/cpu/arm720t/interrupts.c +++ b/arch/arm/cpu/arm720t/interrupts.c @@ -45,28 +45,10 @@ #define READ_TIMER (TM2STAT & NETARM_GEN_TSTAT_CTC_MASK) #endif -#ifdef CONFIG_S3C4510B -/* require interrupts for the S3C4510B */ -# ifndef CONFIG_USE_IRQ -# error CONFIG_USE_IRQ _must_ be defined when using CONFIG_S3C4510B -# else -static struct _irq_handler IRQ_HANDLER[N_IRQS]; -# endif -#endif /* CONFIG_S3C4510B */ - #ifdef CONFIG_USE_IRQ void do_irq (struct pt_regs *pt_regs) { -#if defined(CONFIG_S3C4510B) - unsigned int pending; - - while ( (pending = GET_REG( REG_INTOFFSET)) != 0x54) { /* sentinal value for no pending interrutps */ - IRQ_HANDLER[pending>>2].m_func( IRQ_HANDLER[pending>>2].m_data); - - /* clear pending interrupt */ - PUT_REG( REG_INTPEND, (1<<(pending>>2))); - } -#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) +#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No do_irq() for IntegratorAP/CM720T as yet */ #else #error do_irq() not defined for this CPU type @@ -74,23 +56,6 @@ void do_irq (struct pt_regs *pt_regs) } #endif -#ifdef CONFIG_S3C4510B -static void default_isr( void *data) { - printf ("default_isr(): called for IRQ %d\n", (int)data); -} - -static void timer_isr( void *data) { - unsigned int *pTime = (unsigned int *)data; - - (*pTime)++; - if ( !(*pTime % (CONFIG_SYS_HZ/4))) { - /* toggle LED 0 */ - PUT_REG( REG_IOPDATA, GET_REG(REG_IOPDATA) ^ 0x1); - } - -} -#endif - #if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* Use IntegratorAP routines in board/integratorap.c */ #else @@ -98,32 +63,6 @@ static void timer_isr( void *data) { static ulong timestamp; static ulong lastdec; -#if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C4510B) -int arch_interrupt_init (void) -{ - int i; - - /* install default interrupt handlers */ - for ( i = 0; i < N_IRQS; i++) { - IRQ_HANDLER[i].m_data = (void *)i; - IRQ_HANDLER[i].m_func = default_isr; - } - - /* configure interrupts for IRQ mode */ - PUT_REG( REG_INTMODE, 0x0); - /* clear any pending interrupts */ - PUT_REG( REG_INTPEND, 0x1FFFFF); - - lastdec = 0; - - /* install interrupt handler for timer */ - IRQ_HANDLER[INT_TIMER0].m_data = (void *)×tamp; - IRQ_HANDLER[INT_TIMER0].m_func = timer_isr; - - return 0; -} -#endif - int timer_init (void) { #if defined(CONFIG_NETARM) @@ -137,29 +76,6 @@ int timer_init (void) /* set timer 2 counter */ lastdec = TIMER_LOAD_VAL; -#elif defined(CONFIG_S3C4510B) - /* configure free running timer 0 */ - PUT_REG( REG_TMOD, 0x0); - /* Stop timer 0 */ - CLR_REG( REG_TMOD, TM0_RUN); - - /* Configure for interval mode */ - CLR_REG( REG_TMOD, TM1_TOGGLE); - - /* - * Load Timer data register with count down value. - * count_down_val = CONFIG_SYS_SYS_CLK_FREQ/CONFIG_SYS_HZ - */ - PUT_REG( REG_TDATA0, (CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ)); - - /* - * Enable global interrupt - * Enable timer0 interrupt - */ - CLR_REG( REG_INTMASK, ((1<<INT_GLOBAL) | (1<<INT_TIMER0))); - - /* Start timer */ - SET_REG( REG_TMOD, TM0_RUN); #elif defined(CONFIG_TEGRA) /* No timer routines for tegra as yet */ lastdec = 0; @@ -237,26 +153,6 @@ void udelay_masked (unsigned long usec) } while (diff >= 0); } -#elif defined(CONFIG_S3C4510B) - -ulong get_timer (ulong base) -{ - return timestamp - base; -} - -void __udelay (unsigned long usec) -{ - u32 ticks; - - ticks = (usec * CONFIG_SYS_HZ) / 1000000; - - ticks += get_timer (0); - - while (get_timer (0) < ticks) - /*NOP*/; - -} - #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No timer routines for IntegratorAP/CM720T as yet */ #elif defined(CONFIG_TEGRA) diff --git a/arch/arm/cpu/arm720t/s3c4510b/Makefile b/arch/arm/cpu/arm720t/s3c4510b/Makefile deleted file mode 100644 index 5c6df08..0000000 --- a/arch/arm/cpu/arm720t/s3c4510b/Makefile +++ /dev/null @@ -1,45 +0,0 @@ -# -# (C) Copyright 2000-2008 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).o - -COBJS-y += cache.o - -SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) - -all: $(obj).depend $(LIB) - -$(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/arm720t/s3c4510b/cache.c b/arch/arm/cpu/arm720t/s3c4510b/cache.c deleted file mode 100644 index 104d287..0000000 --- a/arch/arm/cpu/arm720t/s3c4510b/cache.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * (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> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/hardware.h> - -void icache_enable (void) -{ - s32 i; - - /* disable all cache bits */ - CLR_REG( REG_SYSCFG, 0x3F); - - /* 8KB cache, write enable */ - SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01); - - /* clear TAG RAM bits */ - for ( i = 0; i < 256; i++) - PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000); - - /* clear SET0 RAM */ - for(i=0; i < 1024; i++) - PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000); - - /* clear SET1 RAM */ - for(i=0; i < 1024; i++) - PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000); - - /* enable cache */ - SET_REG( REG_SYSCFG, CACHE_ENABLE); - -} - -void icache_disable (void) -{ - /* disable all cache bits */ - CLR_REG( REG_SYSCFG, 0x3F); -} - -int icache_status (void) -{ - return GET_REG( REG_SYSCFG) & CACHE_ENABLE; -} - -void dcache_enable (void) -{ - /* we don't have seperate instruction/data caches */ - icache_enable(); -} - -void dcache_disable (void) -{ - /* we don't have seperate instruction/data caches */ - icache_disable(); -} - -int dcache_status (void) -{ - /* we don't have seperate instruction/data caches */ - return icache_status(); -} diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 0daf848..3a90e0d 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -335,22 +335,6 @@ cpu_init_crit: ldr r0, =NETARM_GEN_MODULE_BASE str r1, [r0, #+NETARM_GEN_INTR_ENABLE] -#elif defined(CONFIG_S3C4510B) - - /* - * Mask off all IRQ sources - */ - ldr r1, =REG_INTMASK - ldr r0, =0x3FFFFF - str r0, [r1] - - /* - * Disable Cache - */ - ldr r0, =REG_SYSCFG - ldr r1, =0x83ffffa0 /* cache-disabled */ - str r1, [r0] - #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No specific initialisation for IntegratorAP/CM720T as yet */ #elif defined(CONFIG_TEGRA) @@ -569,9 +553,6 @@ reset_cpu: ldr r1, =NETARM_GEN_SW_SVC_RESETB str r1, [r4, #+NETARM_GEN_SOFTWARE_SERVICE] mov pc, r0 -#elif defined(CONFIG_S3C4510B) -/* Nothing done here as reseting the CPU is board specific, depending - * on external peripherals such as watchdog timers, etc. */ #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No specific reset actions for IntegratorAP/CM720T as yet */ #elif defined(CONFIG_TEGRA) diff --git a/arch/arm/include/asm/arch-s3c4510b/hardware.h b/arch/arm/include/asm/arch-s3c4510b/hardware.h deleted file mode 100644 index 6b8c8ed..0000000 --- a/arch/arm/include/asm/arch-s3c4510b/hardware.h +++ /dev/null @@ -1,272 +0,0 @@ -#ifndef __HW_S3C4510_H -#define __HW_S3C4510_H - -/* - * Copyright (c) 2004 Cucy Systems (http://www.cucy.com) - * Curt Brune <curt@cucy.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * Description: Samsung S3C4510B register layout - */ - -/*------------------------------------------------------------------------ - * ASIC Address Definition - *----------------------------------------------------------------------*/ - -/* L1 8KB on chip SRAM base address */ -#define SRAM_BASE (0x03fe0000) - -/* Special Register Start Address After System Reset */ -#define REG_BASE (0x03ff0000) -#define SPSTR (REG_BASE) - -/* *********************** */ -/* System Manager Register */ -/* *********************** */ -#define REG_SYSCFG (REG_BASE+0x0000) - -#define REG_CLKCON (REG_BASE+0x3000) -#define REG_EXTACON0 (REG_BASE+0x3008) -#define REG_EXTACON1 (REG_BASE+0x300c) -#define REG_EXTDBWTH (REG_BASE+0x3010) -#define REG_ROMCON0 (REG_BASE+0x3014) -#define REG_ROMCON1 (REG_BASE+0x3018) -#define REG_ROMCON2 (REG_BASE+0x301c) -#define REG_ROMCON3 (REG_BASE+0x3020) -#define REG_ROMCON4 (REG_BASE+0x3024) -#define REG_ROMCON5 (REG_BASE+0x3028) -#define REG_DRAMCON0 (REG_BASE+0x302c) -#define REG_DRAMCON1 (REG_BASE+0x3030) -#define REG_DRAMCON2 (REG_BASE+0x3034) -#define REG_DRAMCON3 (REG_BASE+0x3038) -#define REG_REFEXTCON (REG_BASE+0x303c) - -/* *********************** */ -/* Ethernet BDMA Register */ -/* *********************** */ -#define REG_BDMATXCON (REG_BASE+0x9000) -#define REG_BDMARXCON (REG_BASE+0x9004) -#define REG_BDMATXPTR (REG_BASE+0x9008) -#define REG_BDMARXPTR (REG_BASE+0x900c) -#define REG_BDMARXLSZ (REG_BASE+0x9010) -#define REG_BDMASTAT (REG_BASE+0x9014) - -/* Content Address Memory */ -#define REG_CAM_BASE (REG_BASE+0x9100) - -#define REG_BDMATXBUF (REG_BASE+0x9200) -#define REG_BDMARXBUF (REG_BASE+0x9800) - -/* *********************** */ -/* Ethernet MAC Register */ -/* *********************** */ -#define REG_MACCON (REG_BASE+0xa000) -#define REG_CAMCON (REG_BASE+0xa004) -#define REG_MACTXCON (REG_BASE+0xa008) -#define REG_MACTXSTAT (REG_BASE+0xa00c) -#define REG_MACRXCON (REG_BASE+0xa010) -#define REG_MACRXSTAT (REG_BASE+0xa014) -#define REG_STADATA (REG_BASE+0xa018) -#define REG_STACON (REG_BASE+0xa01c) -#define REG_CAMEN (REG_BASE+0xa028) -#define REG_EMISSCNT (REG_BASE+0xa03c) -#define REG_EPZCNT (REG_BASE+0xa040) -#define REG_ERMPZCNT (REG_BASE+0xa044) -#define REG_ETXSTAT (REG_BASE+0x9040) -#define REG_MACRXDESTR (REG_BASE+0xa064) -#define REG_MACRXSTATEM (REG_BASE+0xa090) -#define REG_MACRXFIFO (REG_BASE+0xa200) - -/********************/ -/* I2C Bus Register */ -/********************/ -#define REG_I2C_CON (REG_BASE+0xf000) -#define REG_I2C_BUF (REG_BASE+0xf004) -#define REG_I2C_PS (REG_BASE+0xf008) -#define REG_I2C_COUNT (REG_BASE+0xf00c) - -/********************/ -/* GDMA 0 */ -/********************/ -#define REG_GDMACON0 (REG_BASE+0xb000) -#define REG_GDMA0_RUN_ENABLE (REG_BASE+0xb020) -#define REG_GDMASRC0 (REG_BASE+0xb004) -#define REG_GDMADST0 (REG_BASE+0xb008) -#define REG_GDMACNT0 (REG_BASE+0xb00c) - -/********************/ -/* GDMA 1 */ -/********************/ -#define REG_GDMACON1 (REG_BASE+0xc000) -#define REG_GDMA1_RUN_ENABLE (REG_BASE+0xc020) -#define REG_GDMASRC1 (REG_BASE+0xc004) -#define REG_GDMADST1 (REG_BASE+0xc008) -#define REG_GDMACNT1 (REG_BASE+0xc00c) - -/********************/ -/* UART 0 */ -/********************/ -#define UART0_BASE (REG_BASE+0xd000) -#define REG_UART0_LCON (REG_BASE+0xd000) -#define REG_UART0_CTRL (REG_BASE+0xd004) -#define REG_UART0_STAT (REG_BASE+0xd008) -#define REG_UART0_TXB (REG_BASE+0xd00c) -#define REG_UART0_RXB (REG_BASE+0xd010) -#define REG_UART0_BAUD_DIV (REG_BASE+0xd014) -#define REG_UART0_BAUD_CNT (REG_BASE+0xd018) -#define REG_UART0_BAUD_CLK (REG_BASE+0xd01C) - -/********************/ -/* UART 1 */ -/********************/ -#define UART1_BASE (REG_BASE+0xe000) -#define REG_UART1_LCON (REG_BASE+0xe000) -#define REG_UART1_CTRL (REG_BASE+0xe004) -#define REG_UART1_STAT (REG_BASE+0xe008) -#define REG_UART1_TXB (REG_BASE+0xe00c) -#define REG_UART1_RXB (REG_BASE+0xe010) -#define REG_UART1_BAUD_DIV (REG_BASE+0xe014) -#define REG_UART1_BAUD_CNT (REG_BASE+0xe018) -#define REG_UART1_BAUD_CLK (REG_BASE+0xe01C) - -/********************/ -/* Timer Register */ -/********************/ -#define REG_TMOD (REG_BASE+0x6000) -#define REG_TDATA0 (REG_BASE+0x6004) -#define REG_TDATA1 (REG_BASE+0x6008) -#define REG_TCNT0 (REG_BASE+0x600c) -#define REG_TCNT1 (REG_BASE+0x6010) - -/**********************/ -/* I/O Port Interface */ -/**********************/ -#define REG_IOPMODE (REG_BASE+0x5000) -#define REG_IOPCON (REG_BASE+0x5004) -#define REG_IOPDATA (REG_BASE+0x5008) - -/*********************************/ -/* Interrupt Controller Register */ -/*********************************/ -#define REG_INTMODE (REG_BASE+0x4000) -#define REG_INTPEND (REG_BASE+0x4004) -#define REG_INTMASK (REG_BASE+0x4008) - -#define REG_INTPRI0 (REG_BASE+0x400c) -#define REG_INTPRI1 (REG_BASE+0x4010) -#define REG_INTPRI2 (REG_BASE+0x4014) -#define REG_INTPRI3 (REG_BASE+0x4018) -#define REG_INTPRI4 (REG_BASE+0x401c) -#define REG_INTPRI5 (REG_BASE+0x4020) -#define REG_INTOFFSET (REG_BASE+0x4024) -#define REG_INTPNDPRI (REG_BASE+0x4028) -#define REG_INTPNDTST (REG_BASE+0x402C) - -/*********************************/ -/* CACHE CONTROL MASKS */ -/*********************************/ -#define CACHE_STALL (0x00000001) -#define CACHE_ENABLE (0x00000002) -#define CACHE_WRITE_BUFF (0x00000004) -#define CACHE_MODE (0x00000030) -#define CACHE_MODE_00 (0x00000000) -#define CACHE_MODE_01 (0x00000010) -#define CACHE_MODE_10 (0x00000020) - -/*********************************/ -/* CACHE RAM BASE ADDRESSES */ -/*********************************/ -#define CACHE_SET0_RAM (0x10000000) -#define CACHE_SET1_RAM (0x10800000) -#define CACHE_TAG_RAM (0x11000000) - -/*********************************/ -/* CACHE_DISABLE MASK */ -/*********************************/ -#define CACHE_DISABLE_MASK (0x04000000) - -#define GET_REG(reg) (*((volatile u32 *)(reg))) -#define PUT_REG(reg, val) (*((volatile u32 *)(reg)) = ((u32)(val))) -#define SET_REG(reg, mask) (PUT_REG((reg), GET_REG((reg)) | mask)) -#define CLR_REG(reg, mask) (PUT_REG((reg), GET_REG((reg)) & ~mask)) -#define PUT_U16(reg, val) (*((volatile u16 *)(reg)) = ((u16)(val))) -#define PUT__U8(reg, val) (*((volatile u8 *)(reg)) = (( u8)((val)&0xFF))) -#define GET__U8(reg) (*((volatile u8 *)(reg))) - -#define PUT_LED(val) (PUT_REG(REG_IOPDATA, (~val)&0xFF)) -#define GET_LED() ((~GET_REG( REG_IOPDATA)) & 0xFF) -#define SET_LED(val) { u32 led = GET_LED(); led |= 1 << (val); PUT_LED( led); } -#define CLR_LED(val) { u32 led = GET_LED(); led &= ~(1 << (val)); PUT_LED( led); } - -/***********************************/ -/* CLOCK CONSTANTS -- 50 MHz Clock */ -/***********************************/ - -#define CLK_FREQ_MHZ (50) -#define t_data_us(t) ((t)*CLK_FREQ_MHZ-1) /* t is time tick,unit[us] */ -#define t_data_ms(t) (t_data_us((t)*1000)) /* t is time tick,unit[ms] */ - -/*********************************************************/ -/* TIMER MODE REGISTER */ -/*********************************************************/ -#define TM0_RUN 0x01 /* Timer 0 enable */ -#define TM0_TOGGLE 0x02 /* 0, interval mode */ -#define TM0_OUT_1 0x04 /* Timer 0 Initial TOUT0 value */ -#define TM1_RUN 0x08 /* Timer 1 enable */ -#define TM1_TOGGLE 0x10 /* 0, interval mode */ -#define TM1_OUT_1 0x20 /* Timer 0 Initial TOUT0 value */ - - -/*********************************/ -/* INTERRUPT SOURCES */ -/*********************************/ -#define INT_EXTINT0 0 -#define INT_EXTINT1 1 -#define INT_EXTINT2 2 -#define INT_EXTINT3 3 -#define INT_UARTTX0 4 -#define INT_UARTRX0 5 -#define INT_UARTTX1 6 -#define INT_UARTRX1 7 -#define INT_GDMA0 8 -#define INT_GDMA1 9 -#define INT_TIMER0 10 -#define INT_TIMER1 11 -#define INT_HDLCTXA 12 -#define INT_HDLCRXA 13 -#define INT_HDLCTXB 14 -#define INT_HDLCRXB 15 -#define INT_BDMATX 16 -#define INT_BDMARX 17 -#define INT_MACTX 18 -#define INT_MACRX 19 -#define INT_IIC 20 -#define INT_GLOBAL 21 -#define N_IRQS (21) - -#ifndef __ASSEMBLER__ -struct _irq_handler { - void *m_data; - void (*m_func)( void *data); -}; - -#endif - -#endif /* __S3C4510_h */ diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 51af313..8151d2e 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -36,7 +36,6 @@ COBJS-$(CONFIG_MCFUART) += mcfuart.o COBJS-$(CONFIG_NS9750_UART) += ns9750_serial.o COBJS-$(CONFIG_OPENCORES_YANU) += opencores_yanu.o COBJS-$(CONFIG_SYS_NS16550) += ns16550.o -COBJS-$(CONFIG_DRIVER_S3C4510_UART) += s3c4510b_uart.o COBJS-$(CONFIG_S3C64XX) += s3c64xx.o COBJS-$(CONFIG_S5P) += serial_s5p.o COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial_ns16550.o diff --git a/drivers/serial/s3c4510b_uart.c b/drivers/serial/s3c4510b_uart.c deleted file mode 100644 index c460229..0000000 --- a/drivers/serial/s3c4510b_uart.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * Copyright (c) 2004 Cucy Systems (http://www.cucy.com) - * Curt Brune <curt@cucy.com> - * - * (C) Copyright 2004 - * DAVE Srl - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * (C) Copyright 2002-2004 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (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> - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * MODULE: $Id:$ - * Description: UART/Serial interface for Samsung S3C4510B SoC - * Runtime Env: ARM7TDMI - * Change History: - * 03-02-04 Create (Curt Brune) curt@cucy.com - * - */ - -#include <common.h> - -#include <asm/hardware.h> -#include "s3c4510b_uart.h" - -DECLARE_GLOBAL_DATA_PTR; - -static UART *uart; - -/* flush serial input queue. returns 0 on success or negative error - * number otherwise - */ -static int serial_flush_input(void) -{ - volatile u32 tmp; - - /* keep on reading as long as the receiver is not empty */ - while( uart->m_stat.bf.rxReady) { - tmp = uart->m_rx; - } - - return 0; -} - - -/* flush output queue. returns 0 on success or negative error number - * otherwise - */ -static int serial_flush_output(void) -{ - /* wait until the transmitter is no longer busy */ - while( !uart->m_stat.bf.txBufEmpty); - - return 0; -} - - -static void s3c4510b_serial_setbrg(void) -{ - UART_LINE_CTRL ulctrl; - UART_CTRL uctrl; - UART_BAUD_DIV ubd; - - serial_flush_output(); - serial_flush_input(); - - /* control register */ - uctrl.ui = 0x0; - uctrl.bf.rxMode = 0x1; - uctrl.bf.rxIrq = 0x0; - uctrl.bf.txMode = 0x1; - uctrl.bf.DSR = 0x0; - uctrl.bf.sendBreak = 0x0; - uctrl.bf.loopBack = 0x0; - uart->m_ctrl.ui = uctrl.ui; - - /* line control register */ - ulctrl.ui = 0x0; - ulctrl.bf.wordLen = 0x3; /* 8 bit data */ - ulctrl.bf.nStop = 0x0; /* 1 stop bit */ - ulctrl.bf.parity = 0x0; /* no parity */ - ulctrl.bf.clk = 0x0; /* internal clock */ - ulctrl.bf.infra_red = 0x0; /* no infra_red */ - uart->m_lineCtrl.ui = ulctrl.ui; - - ubd.ui = 0x0; - - /* see table on page 10-15 in SAMSUNG S3C4510B manual */ - /* get correct divisor */ - switch(gd->baudrate) { - case 1200: ubd.bf.cnt0 = 1301; break; - case 2400: ubd.bf.cnt0 = 650; break; - case 4800: ubd.bf.cnt0 = 324; break; - case 9600: ubd.bf.cnt0 = 162; break; - case 19200: ubd.bf.cnt0 = 80; break; - case 38400: ubd.bf.cnt0 = 40; break; - case 57600: ubd.bf.cnt0 = 26; break; - case 115200: ubd.bf.cnt0 = 13; break; - } - - uart->m_baudDiv.ui = ubd.ui; - uart->m_baudCnt = 0x0; - uart->m_baudClk = 0x0; - -} - - -/* - * Initialise the serial port with the given baudrate. The settings - * are always 8 data bits, no parity, 1 stop bit, no start bits. - * - */ -static int s3c4510b_serial_init(void) -{ - -#if CONFIG_SERIAL1 == 1 - uart = (UART *)UART0_BASE; -#elif CONFIG_SERIAL1 == 2 - uart = (UART *)UART1_BASE; -#else -#error CONFIG_SERIAL1 not equal to 1 or 2 -#endif - - serial_setbrg (); - - return (0); -} - - -/* - * Output a single byte to the serial port. - */ -static void s3c4510_serial_putc(const char c) -{ - /* wait for room in the transmit FIFO */ - while( !uart->m_stat.bf.txBufEmpty); - - uart->m_tx = c; - - /* - to be polite with serial console add a line feed - to the carriage return character - */ - if (c=='\n') - serial_putc('\r'); -} - -/* - * Test if an input byte is ready from the serial port. Returns non-zero on - * success, 0 otherwise. - */ -static int s3c4510b_serial_tstc(void) -{ - return uart->m_stat.bf.rxReady; -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -static int s3c4510b_serial_getc(void) -{ - int rv; - - for(;;) { - rv = serial_tstc(); - - if (rv) { - return uart->m_rx & 0xFF; - } - } -} - -static void s3c4510b_serial_puts(const char *s) -{ - default_serial_puts(s); - - /* busy wait for tx complete */ - while (!uart->m_stat.bf.txComplete); - - /* clear break */ - uart->m_ctrl.bf.sendBreak = 0; - -} - -static struct serial_device s3c4510b_serial_drv = { - .name = "s3c4510b_serial", - .start = s3c4510b_serial_init, - .stop = NULL, - .setbrg = s3c4510b_serial_setbrg, - .putc = s3c4510b_serial_putc, - .puts = s3c4510b_serial_puts, - .getc = s3c4510b_serial_getc, - .tstc = s3c4510b_serial_tstc, -}; - -void s3c4510b_serial_initialize(void) -{ - serial_register(&s3c4510b_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &s3c4510b_serial_drv; -} diff --git a/drivers/serial/s3c4510b_uart.h b/drivers/serial/s3c4510b_uart.h deleted file mode 100644 index b06c76d..0000000 --- a/drivers/serial/s3c4510b_uart.h +++ /dev/null @@ -1,109 +0,0 @@ -#ifndef __UART_H -#define __UART_H - -/* - * Copyright (c) 2004 Cucy Systems (http://www.cucy.com) - * Curt Brune <curt@cucy.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * Description: S3C4510B UART register layout - */ - -/* UART LINE CONTROL register */ -typedef struct __BF_UART_LINE_CTRL { - u32 wordLen: 2; - u32 nStop: 1; - u32 parity: 3; - u32 clk: 1; - u32 infra_red: 1; - u32 unused:24; -} BF_UART_LINE_CTRL; - -typedef union _UART_LINE_CTRL { - u32 ui; - BF_UART_LINE_CTRL bf; -} UART_LINE_CTRL; - -/* UART CONTROL register */ -typedef struct __BF_UART_CTRL { - u32 rxMode: 2; - u32 rxIrq: 1; - u32 txMode: 2; - u32 DSR: 1; - u32 sendBreak: 1; - u32 loopBack: 1; - u32 unused:24; -} BF_UART_CTRL; - -typedef union _UART_CTRL { - u32 ui; - BF_UART_CTRL bf; -} UART_CTRL; - -/* UART STATUS register */ -typedef struct __BF_UART_STAT { - u32 overrun: 1; - u32 parity: 1; - u32 frame: 1; - u32 breakIrq: 1; - u32 DTR: 1; - u32 rxReady: 1; - u32 txBufEmpty: 1; - u32 txComplete: 1; - u32 unused:24; -} BF_UART_STAT; - -typedef union _UART_STAT { - u32 ui; - BF_UART_STAT bf; -} UART_STAT; - -/* UART BAUD_DIV register */ -typedef struct __BF_UART_BAUD_DIV { - u32 cnt1: 4; - u32 cnt0:12; - u32 unused:16; -} BF_UART_BAUD_DIV; - -typedef union _UART_BAUD_DIV { - u32 ui; - BF_UART_BAUD_DIV bf; -} UART_BAUD_DIV; - -/* UART register block */ -typedef struct __UART { - volatile UART_LINE_CTRL m_lineCtrl; - volatile UART_CTRL m_ctrl; - volatile UART_STAT m_stat; - volatile u32 m_tx; - volatile u32 m_rx; - volatile UART_BAUD_DIV m_baudDiv; - volatile u32 m_baudCnt; - volatile u32 m_baudClk; -} UART; - -#define NL 0x0A -#define CR 0x0D -#define BSP 0x08 -#define ESC 0x1B -#define CTRLZ 0x1A -#define RUBOUT 0x7F - -#endif diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c index 1d68f55..44bb089 100644 --- a/drivers/serial/serial.c +++ b/drivers/serial/serial.c @@ -96,7 +96,6 @@ serial_initfunc(lpc32xx_serial_initialize); serial_initfunc(mcf_serial_initialize); serial_initfunc(ns9750_serial_initialize); serial_initfunc(oc_serial_initialize); -serial_initfunc(s3c4510b_serial_initialize); serial_initfunc(s3c64xx_serial_initialize); serial_initfunc(sandbox_serial_initialize); serial_initfunc(clps7111_serial_initialize); @@ -193,7 +192,6 @@ void serial_initialize(void) mcf_serial_initialize(); ns9750_serial_initialize(); oc_serial_initialize(); - s3c4510b_serial_initialize(); s3c64xx_serial_initialize(); sandbox_serial_initialize(); clps7111_serial_initialize(); |