mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 23:24:38 +00:00
arm: Remove support for s3c4510
This stuff has been rotting in the tree for a year now. Remove it. Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut
Albert ARIBAUD
parent
6f62f42071
commit
afad40299e
11 changed files with 2 additions and 876 deletions
5
CREDITS
5
CREDITS
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@ -79,11 +79,6 @@ N: Oliver Brown
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E: obrown@adventnetworks.com
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D: Port to the gw8260 board
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N: Curt Brune
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E: curt@cucy.com
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D: Added support for Samsung S3C4510B CPU (ARM7tdmi based SoC)
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W: http://www.cucy.com
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N: Jonathan De Bruyne
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E: jonathan.debruyne@siemens.atea.be
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D: Port to Siemens IAD210 board
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@ -46,7 +46,7 @@ int cleanup_before_linux (void)
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* and we set the CPU-speed to 73 MHz - see start.S for details
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*/
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#if defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B)
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#if defined(CONFIG_NETARM)
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disable_interrupts ();
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/* Nothing more needed */
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#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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@ -45,28 +45,10 @@
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#define READ_TIMER (TM2STAT & NETARM_GEN_TSTAT_CTC_MASK)
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#endif
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#ifdef CONFIG_S3C4510B
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/* require interrupts for the S3C4510B */
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# ifndef CONFIG_USE_IRQ
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# error CONFIG_USE_IRQ _must_ be defined when using CONFIG_S3C4510B
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# else
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static struct _irq_handler IRQ_HANDLER[N_IRQS];
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# endif
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#endif /* CONFIG_S3C4510B */
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#ifdef CONFIG_USE_IRQ
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void do_irq (struct pt_regs *pt_regs)
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{
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#if defined(CONFIG_S3C4510B)
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unsigned int pending;
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while ( (pending = GET_REG( REG_INTOFFSET)) != 0x54) { /* sentinal value for no pending interrutps */
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IRQ_HANDLER[pending>>2].m_func( IRQ_HANDLER[pending>>2].m_data);
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/* clear pending interrupt */
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PUT_REG( REG_INTPEND, (1<<(pending>>2)));
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}
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#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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/* No do_irq() for IntegratorAP/CM720T as yet */
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#else
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#error do_irq() not defined for this CPU type
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@ -74,23 +56,6 @@ void do_irq (struct pt_regs *pt_regs)
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}
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#endif
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#ifdef CONFIG_S3C4510B
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static void default_isr( void *data) {
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printf ("default_isr(): called for IRQ %d\n", (int)data);
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}
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static void timer_isr( void *data) {
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unsigned int *pTime = (unsigned int *)data;
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(*pTime)++;
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if ( !(*pTime % (CONFIG_SYS_HZ/4))) {
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/* toggle LED 0 */
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PUT_REG( REG_IOPDATA, GET_REG(REG_IOPDATA) ^ 0x1);
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}
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}
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#endif
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#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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/* Use IntegratorAP routines in board/integratorap.c */
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#else
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@ -98,32 +63,6 @@ static void timer_isr( void *data) {
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static ulong timestamp;
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static ulong lastdec;
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#if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C4510B)
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int arch_interrupt_init (void)
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{
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int i;
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/* install default interrupt handlers */
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for ( i = 0; i < N_IRQS; i++) {
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IRQ_HANDLER[i].m_data = (void *)i;
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IRQ_HANDLER[i].m_func = default_isr;
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}
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/* configure interrupts for IRQ mode */
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PUT_REG( REG_INTMODE, 0x0);
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/* clear any pending interrupts */
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PUT_REG( REG_INTPEND, 0x1FFFFF);
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lastdec = 0;
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/* install interrupt handler for timer */
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IRQ_HANDLER[INT_TIMER0].m_data = (void *)×tamp;
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IRQ_HANDLER[INT_TIMER0].m_func = timer_isr;
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return 0;
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}
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#endif
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int timer_init (void)
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{
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#if defined(CONFIG_NETARM)
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@ -137,29 +76,6 @@ int timer_init (void)
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/* set timer 2 counter */
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lastdec = TIMER_LOAD_VAL;
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#elif defined(CONFIG_S3C4510B)
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/* configure free running timer 0 */
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PUT_REG( REG_TMOD, 0x0);
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/* Stop timer 0 */
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CLR_REG( REG_TMOD, TM0_RUN);
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/* Configure for interval mode */
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CLR_REG( REG_TMOD, TM1_TOGGLE);
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/*
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* Load Timer data register with count down value.
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* count_down_val = CONFIG_SYS_SYS_CLK_FREQ/CONFIG_SYS_HZ
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*/
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PUT_REG( REG_TDATA0, (CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ));
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/*
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* Enable global interrupt
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* Enable timer0 interrupt
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*/
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CLR_REG( REG_INTMASK, ((1<<INT_GLOBAL) | (1<<INT_TIMER0)));
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/* Start timer */
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SET_REG( REG_TMOD, TM0_RUN);
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#elif defined(CONFIG_TEGRA)
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/* No timer routines for tegra as yet */
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lastdec = 0;
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@ -237,26 +153,6 @@ void udelay_masked (unsigned long usec)
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} while (diff >= 0);
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}
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#elif defined(CONFIG_S3C4510B)
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ulong get_timer (ulong base)
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{
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return timestamp - base;
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}
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void __udelay (unsigned long usec)
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{
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u32 ticks;
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ticks = (usec * CONFIG_SYS_HZ) / 1000000;
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ticks += get_timer (0);
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while (get_timer (0) < ticks)
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/*NOP*/;
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}
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#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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/* No timer routines for IntegratorAP/CM720T as yet */
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#elif defined(CONFIG_TEGRA)
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@ -1,45 +0,0 @@
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#
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# (C) Copyright 2000-2008
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(SOC).o
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COBJS-y += cache.o
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SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
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OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
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all: $(obj).depend $(LIB)
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$(LIB): $(OBJS)
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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@ -1,86 +0,0 @@
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/*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Alex Zuepke <azu@sysgo.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/hardware.h>
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void icache_enable (void)
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{
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s32 i;
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/* disable all cache bits */
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CLR_REG( REG_SYSCFG, 0x3F);
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/* 8KB cache, write enable */
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SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01);
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/* clear TAG RAM bits */
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for ( i = 0; i < 256; i++)
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PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000);
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/* clear SET0 RAM */
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for(i=0; i < 1024; i++)
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PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000);
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/* clear SET1 RAM */
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for(i=0; i < 1024; i++)
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PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000);
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/* enable cache */
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SET_REG( REG_SYSCFG, CACHE_ENABLE);
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}
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void icache_disable (void)
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{
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/* disable all cache bits */
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CLR_REG( REG_SYSCFG, 0x3F);
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}
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int icache_status (void)
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{
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return GET_REG( REG_SYSCFG) & CACHE_ENABLE;
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}
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void dcache_enable (void)
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{
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/* we don't have seperate instruction/data caches */
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icache_enable();
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}
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void dcache_disable (void)
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{
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/* we don't have seperate instruction/data caches */
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icache_disable();
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}
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int dcache_status (void)
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{
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/* we don't have seperate instruction/data caches */
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return icache_status();
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}
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@ -335,22 +335,6 @@ cpu_init_crit:
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ldr r0, =NETARM_GEN_MODULE_BASE
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str r1, [r0, #+NETARM_GEN_INTR_ENABLE]
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#elif defined(CONFIG_S3C4510B)
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/*
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* Mask off all IRQ sources
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*/
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ldr r1, =REG_INTMASK
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ldr r0, =0x3FFFFF
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str r0, [r1]
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/*
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* Disable Cache
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*/
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ldr r0, =REG_SYSCFG
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ldr r1, =0x83ffffa0 /* cache-disabled */
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str r1, [r0]
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#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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/* No specific initialisation for IntegratorAP/CM720T as yet */
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#elif defined(CONFIG_TEGRA)
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@ -569,9 +553,6 @@ reset_cpu:
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ldr r1, =NETARM_GEN_SW_SVC_RESETB
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str r1, [r4, #+NETARM_GEN_SOFTWARE_SERVICE]
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mov pc, r0
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#elif defined(CONFIG_S3C4510B)
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/* Nothing done here as reseting the CPU is board specific, depending
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* on external peripherals such as watchdog timers, etc. */
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#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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/* No specific reset actions for IntegratorAP/CM720T as yet */
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#elif defined(CONFIG_TEGRA)
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@ -1,272 +0,0 @@
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#ifndef __HW_S3C4510_H
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#define __HW_S3C4510_H
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/*
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* Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
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* Curt Brune <curt@cucy.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU General Public License as
|
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* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
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*
|
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* 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
|
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* GNU General Public License for more details.
|
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*
|
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* 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,
|
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* MA 02111-1307 USA
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*
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* Description: Samsung S3C4510B register layout
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*/
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/*------------------------------------------------------------------------
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* ASIC Address Definition
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*----------------------------------------------------------------------*/
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/* L1 8KB on chip SRAM base address */
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#define SRAM_BASE (0x03fe0000)
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/* Special Register Start Address After System Reset */
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#define REG_BASE (0x03ff0000)
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#define SPSTR (REG_BASE)
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/* *********************** */
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/* System Manager Register */
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/* *********************** */
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#define REG_SYSCFG (REG_BASE+0x0000)
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#define REG_CLKCON (REG_BASE+0x3000)
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#define REG_EXTACON0 (REG_BASE+0x3008)
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#define REG_EXTACON1 (REG_BASE+0x300c)
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#define REG_EXTDBWTH (REG_BASE+0x3010)
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#define REG_ROMCON0 (REG_BASE+0x3014)
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#define REG_ROMCON1 (REG_BASE+0x3018)
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#define REG_ROMCON2 (REG_BASE+0x301c)
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#define REG_ROMCON3 (REG_BASE+0x3020)
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#define REG_ROMCON4 (REG_BASE+0x3024)
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#define REG_ROMCON5 (REG_BASE+0x3028)
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#define REG_DRAMCON0 (REG_BASE+0x302c)
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#define REG_DRAMCON1 (REG_BASE+0x3030)
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#define REG_DRAMCON2 (REG_BASE+0x3034)
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#define REG_DRAMCON3 (REG_BASE+0x3038)
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#define REG_REFEXTCON (REG_BASE+0x303c)
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/* *********************** */
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/* Ethernet BDMA Register */
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/* *********************** */
|
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#define REG_BDMATXCON (REG_BASE+0x9000)
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#define REG_BDMARXCON (REG_BASE+0x9004)
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#define REG_BDMATXPTR (REG_BASE+0x9008)
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#define REG_BDMARXPTR (REG_BASE+0x900c)
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#define REG_BDMARXLSZ (REG_BASE+0x9010)
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#define REG_BDMASTAT (REG_BASE+0x9014)
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/* Content Address Memory */
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#define REG_CAM_BASE (REG_BASE+0x9100)
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#define REG_BDMATXBUF (REG_BASE+0x9200)
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#define REG_BDMARXBUF (REG_BASE+0x9800)
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/* *********************** */
|
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/* Ethernet MAC Register */
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/* *********************** */
|
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#define REG_MACCON (REG_BASE+0xa000)
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#define REG_CAMCON (REG_BASE+0xa004)
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#define REG_MACTXCON (REG_BASE+0xa008)
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#define REG_MACTXSTAT (REG_BASE+0xa00c)
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#define REG_MACRXCON (REG_BASE+0xa010)
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#define REG_MACRXSTAT (REG_BASE+0xa014)
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#define REG_STADATA (REG_BASE+0xa018)
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#define REG_STACON (REG_BASE+0xa01c)
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#define REG_CAMEN (REG_BASE+0xa028)
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#define REG_EMISSCNT (REG_BASE+0xa03c)
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#define REG_EPZCNT (REG_BASE+0xa040)
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#define REG_ERMPZCNT (REG_BASE+0xa044)
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#define REG_ETXSTAT (REG_BASE+0x9040)
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#define REG_MACRXDESTR (REG_BASE+0xa064)
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#define REG_MACRXSTATEM (REG_BASE+0xa090)
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#define REG_MACRXFIFO (REG_BASE+0xa200)
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/********************/
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/* I2C Bus Register */
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/********************/
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#define REG_I2C_CON (REG_BASE+0xf000)
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#define REG_I2C_BUF (REG_BASE+0xf004)
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#define REG_I2C_PS (REG_BASE+0xf008)
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#define REG_I2C_COUNT (REG_BASE+0xf00c)
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/********************/
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/* GDMA 0 */
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/********************/
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#define REG_GDMACON0 (REG_BASE+0xb000)
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#define REG_GDMA0_RUN_ENABLE (REG_BASE+0xb020)
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#define REG_GDMASRC0 (REG_BASE+0xb004)
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#define REG_GDMADST0 (REG_BASE+0xb008)
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#define REG_GDMACNT0 (REG_BASE+0xb00c)
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/********************/
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/* GDMA 1 */
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/********************/
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#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 */
|
||||
|
|
@ -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
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
}
|
||||
|
|
@ -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
|
||||
|
|
@ -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();
|
||||
|
|
|
|||
Loading…
Reference in a new issue