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authorWolfgang Denk2009-04-02 00:24:33 +0200
committerWolfgang Denk2009-04-02 00:24:33 +0200
commitdfc91c33957c95da34e3888dc87912d5c15a7603 (patch)
treed5fd6bd3818d817ea618bb9c19330633a71ab1bb /cpu
parentc123098035be8bae3859bbfbd06861f197c07631 (diff)
parent0fc4f64c59873a47d555dd66bad25797d4ecb0ed (diff)
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'cpu')
-rw-r--r--cpu/arm1136/mx31/Makefile2
-rw-r--r--cpu/arm1136/mx31/serial.c232
-rw-r--r--cpu/arm1136/omap24xx/interrupts.c2
-rw-r--r--cpu/arm1176/s3c64xx/Makefile1
-rw-r--r--cpu/arm1176/s3c64xx/usb.c45
-rw-r--r--cpu/arm720t/Makefile2
-rw-r--r--cpu/arm720t/cpu.c62
-rw-r--r--cpu/arm720t/s3c4510b/Makefile46
-rw-r--r--cpu/arm720t/s3c4510b/cache.c86
-rw-r--r--cpu/arm720t/serial.c202
-rw-r--r--cpu/arm720t/serial_netarm.c200
-rw-r--r--cpu/arm920t/imx/Makefile2
-rw-r--r--cpu/arm920t/imx/serial.c227
-rw-r--r--cpu/arm920t/ks8695/Makefile2
-rw-r--r--cpu/arm920t/ks8695/serial.c117
-rw-r--r--cpu/arm920t/s3c24x0/Makefile3
-rw-r--r--cpu/arm920t/s3c24x0/i2c.c447
-rw-r--r--cpu/arm920t/s3c24x0/nand.c179
-rw-r--r--cpu/arm920t/s3c24x0/serial.c304
-rw-r--r--cpu/arm925t/interrupts.c40
-rw-r--r--cpu/arm926ejs/davinci/Makefile2
-rw-r--r--cpu/arm926ejs/davinci/i2c.c334
-rw-r--r--cpu/arm926ejs/davinci/nand.c475
-rw-r--r--cpu/arm926ejs/omap/timer.c2
-rw-r--r--cpu/arm_cortexa8/omap3/interrupts.c2
-rw-r--r--cpu/s3c44b0/Makefile2
-rw-r--r--cpu/s3c44b0/cache.c91
-rw-r--r--cpu/s3c44b0/cpu.c430
-rw-r--r--cpu/s3c44b0/serial.c218
-rw-r--r--cpu/sa1100/Makefile2
-rw-r--r--cpu/sa1100/serial.c160
31 files changed, 251 insertions, 3668 deletions
diff --git a/cpu/arm1136/mx31/Makefile b/cpu/arm1136/mx31/Makefile
index b648ffd6ffc..0e06f0a2b21 100644
--- a/cpu/arm1136/mx31/Makefile
+++ b/cpu/arm1136/mx31/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-COBJS = interrupts.o serial.o generic.o
+COBJS = interrupts.o generic.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/arm1136/mx31/serial.c b/cpu/arm1136/mx31/serial.c
deleted file mode 100644
index e025e941d91..00000000000
--- a/cpu/arm1136/mx31/serial.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * 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>
-
-#if defined CONFIG_MX31_UART
-
-#include <asm/arch/mx31.h>
-
-#define __REG(x) (*((volatile u32 *)(x)))
-
-#ifdef CONFIG_SYS_MX31_UART1
-#define UART_PHYS 0x43f90000
-#elif defined(CONFIG_SYS_MX31_UART2)
-#define UART_PHYS 0x43f94000
-#elif defined(CONFIG_SYS_MX31_UART3)
-#define UART_PHYS 0x5000c000
-#elif defined(CONFIG_SYS_MX31_UART4)
-#define UART_PHYS 0x43fb0000
-#elif defined(CONFIG_SYS_MX31_UART5)
-#define UART_PHYS 0x43fb4000
-#else
-#error "define CONFIG_SYS_MX31_UARTx to use the mx31 UART driver"
-#endif
-
-/* Register definitions */
-#define URXD 0x0 /* Receiver Register */
-#define UTXD 0x40 /* Transmitter Register */
-#define UCR1 0x80 /* Control Register 1 */
-#define UCR2 0x84 /* Control Register 2 */
-#define UCR3 0x88 /* Control Register 3 */
-#define UCR4 0x8c /* Control Register 4 */
-#define UFCR 0x90 /* FIFO Control Register */
-#define USR1 0x94 /* Status Register 1 */
-#define USR2 0x98 /* Status Register 2 */
-#define UESC 0x9c /* Escape Character Register */
-#define UTIM 0xa0 /* Escape Timer Register */
-#define UBIR 0xa4 /* BRM Incremental Register */
-#define UBMR 0xa8 /* BRM Modulator Register */
-#define UBRC 0xac /* Baud Rate Count Register */
-#define UTS 0xb4 /* UART Test Register (mx31) */
-
-/* UART Control Register Bit Fields.*/
-#define URXD_CHARRDY (1<<15)
-#define URXD_ERR (1<<14)
-#define URXD_OVRRUN (1<<13)
-#define URXD_FRMERR (1<<12)
-#define URXD_BRK (1<<11)
-#define URXD_PRERR (1<<10)
-#define URXD_RX_DATA (0xFF)
-#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */
-#define UCR1_ADBR (1<<14) /* Auto detect baud rate */
-#define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */
-#define UCR1_IDEN (1<<12) /* Idle condition interrupt */
-#define UCR1_RRDYEN (1<<9) /* Recv ready interrupt enable */
-#define UCR1_RDMAEN (1<<8) /* Recv ready DMA enable */
-#define UCR1_IREN (1<<7) /* Infrared interface enable */
-#define UCR1_TXMPTYEN (1<<6) /* Transimitter empty interrupt enable */
-#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
-#define UCR1_SNDBRK (1<<4) /* Send break */
-#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
-#define UCR1_DOZE (1<<1) /* Doze */
-#define UCR1_UARTEN (1<<0) /* UART enabled */
-#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
-#define UCR2_IRTS (1<<14) /* Ignore RTS pin */
-#define UCR2_CTSC (1<<13) /* CTS pin control */
-#define UCR2_CTS (1<<12) /* Clear to send */
-#define UCR2_ESCEN (1<<11) /* Escape enable */
-#define UCR2_PREN (1<<8) /* Parity enable */
-#define UCR2_PROE (1<<7) /* Parity odd/even */
-#define UCR2_STPB (1<<6) /* Stop */
-#define UCR2_WS (1<<5) /* Word size */
-#define UCR2_RTSEN (1<<4) /* Request to send interrupt enable */
-#define UCR2_TXEN (1<<2) /* Transmitter enabled */
-#define UCR2_RXEN (1<<1) /* Receiver enabled */
-#define UCR2_SRST (1<<0) /* SW reset */
-#define UCR3_DTREN (1<<13) /* DTR interrupt enable */
-#define UCR3_PARERREN (1<<12) /* Parity enable */
-#define UCR3_FRAERREN (1<<11) /* Frame error interrupt enable */
-#define UCR3_DSR (1<<10) /* Data set ready */
-#define UCR3_DCD (1<<9) /* Data carrier detect */
-#define UCR3_RI (1<<8) /* Ring indicator */
-#define UCR3_TIMEOUTEN (1<<7) /* Timeout interrupt enable */
-#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
-#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
-#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
-#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz */
-#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz */
-#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
-#define UCR3_BPEN (1<<0) /* Preset registers enable */
-#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
-#define UCR4_INVR (1<<9) /* Inverted infrared reception */
-#define UCR4_ENIRI (1<<8) /* Serial infrared interrupt enable */
-#define UCR4_WKEN (1<<7) /* Wake interrupt enable */
-#define UCR4_REF16 (1<<6) /* Ref freq 16 MHz */
-#define UCR4_IRSC (1<<5) /* IR special case */
-#define UCR4_TCEN (1<<3) /* Transmit complete interrupt enable */
-#define UCR4_BKEN (1<<2) /* Break condition interrupt enable */
-#define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */
-#define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */
-#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
-#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
-#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
-#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
-#define USR1_RTSS (1<<14) /* RTS pin status */
-#define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */
-#define USR1_RTSD (1<<12) /* RTS delta */
-#define USR1_ESCF (1<<11) /* Escape seq interrupt flag */
-#define USR1_FRAMERR (1<<10) /* Frame error interrupt flag */
-#define USR1_RRDY (1<<9) /* Receiver ready interrupt/dma flag */
-#define USR1_TIMEOUT (1<<7) /* Receive timeout interrupt status */
-#define USR1_RXDS (1<<6) /* Receiver idle interrupt flag */
-#define USR1_AIRINT (1<<5) /* Async IR wake interrupt flag */
-#define USR1_AWAKE (1<<4) /* Aysnc wake interrupt flag */
-#define USR2_ADET (1<<15) /* Auto baud rate detect complete */
-#define USR2_TXFE (1<<14) /* Transmit buffer FIFO empty */
-#define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
-#define USR2_IDLE (1<<12) /* Idle condition */
-#define USR2_IRINT (1<<8) /* Serial infrared interrupt flag */
-#define USR2_WAKE (1<<7) /* Wake */
-#define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
-#define USR2_TXDC (1<<3) /* Transmitter complete */
-#define USR2_BRCD (1<<2) /* Break condition */
-#define USR2_ORE (1<<1) /* Overrun error */
-#define USR2_RDR (1<<0) /* Recv data ready */
-#define UTS_FRCPERR (1<<13) /* Force parity error */
-#define UTS_LOOP (1<<12) /* Loop tx and rx */
-#define UTS_TXEMPTY (1<<6) /* TxFIFO empty */
-#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
-#define UTS_TXFULL (1<<4) /* TxFIFO full */
-#define UTS_RXFULL (1<<3) /* RxFIFO full */
-#define UTS_SOFTRST (1<<0) /* Software reset */
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void serial_setbrg (void)
-{
- u32 clk = mx31_get_ipg_clk();
-
- if (!gd->baudrate)
- gd->baudrate = CONFIG_BAUDRATE;
-
- __REG(UART_PHYS + UFCR) = 4 << 7; /* divide input clock by 2 */
- __REG(UART_PHYS + UBIR) = 0xf;
- __REG(UART_PHYS + UBMR) = clk / (2 * gd->baudrate);
-
-}
-
-int serial_getc (void)
-{
- while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY);
- return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */
-}
-
-void serial_putc (const char c)
-{
- __REG(UART_PHYS + UTXD) = c;
-
- /* wait for transmitter to be ready */
- while(!(__REG(UART_PHYS + UTS) & UTS_TXEMPTY));
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-}
-
-/*
- * Test whether a character is in the RX buffer
- */
-int serial_tstc (void)
-{
- /* If receive fifo is empty, return false */
- if (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
- return 0;
- return 1;
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
- __REG(UART_PHYS + UCR1) = 0x0;
- __REG(UART_PHYS + UCR2) = 0x0;
-
- while (!(__REG(UART_PHYS + UCR2) & UCR2_SRST));
-
- __REG(UART_PHYS + UCR3) = 0x0704;
- __REG(UART_PHYS + UCR4) = 0x8000;
- __REG(UART_PHYS + UESC) = 0x002b;
- __REG(UART_PHYS + UTIM) = 0x0;
-
- __REG(UART_PHYS + UTS) = 0x0;
-
- serial_setbrg();
-
- __REG(UART_PHYS + UCR2) = UCR2_WS | UCR2_IRTS | UCR2_RXEN | UCR2_TXEN | UCR2_SRST;
-
- __REG(UART_PHYS + UCR1) = UCR1_UARTEN;
-
- return 0;
-}
-
-
-#endif /* CONFIG_MX31 */
diff --git a/cpu/arm1136/omap24xx/interrupts.c b/cpu/arm1136/omap24xx/interrupts.c
index fb02a49be7a..6be1262f3a3 100644
--- a/cpu/arm1136/omap24xx/interrupts.c
+++ b/cpu/arm1136/omap24xx/interrupts.c
@@ -49,7 +49,7 @@ int interrupt_init (void)
/* Start the counter ticking up */
*((int32_t *) (CONFIG_SYS_TIMERBASE + TLDR)) = TIMER_LOAD_VAL; /* reload value on overflow*/
- val = (CONFIG_SYS_PVT << 2) | BIT5 | BIT1 | BIT0; /* mask to enable timer*/
+ val = (CONFIG_SYS_PTV << 2) | BIT5 | BIT1 | BIT0; /* mask to enable timer*/
*((int32_t *) (CONFIG_SYS_TIMERBASE + TCLR)) = val; /* start timer */
reset_timer_masked(); /* init the timestamp and lastinc value */
diff --git a/cpu/arm1176/s3c64xx/Makefile b/cpu/arm1176/s3c64xx/Makefile
index 4ab181159a9..fa4ee3f24e2 100644
--- a/cpu/arm1176/s3c64xx/Makefile
+++ b/cpu/arm1176/s3c64xx/Makefile
@@ -30,7 +30,6 @@ LIB = $(obj)lib$(SOC).a
COBJS-y = interrupts.o
COBJS-$(CONFIG_S3C6400) += cpu_init.o speed.o
-COBJS-$(CONFIG_USB_OHCI_NEW) += usb.o
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
diff --git a/cpu/arm1176/s3c64xx/usb.c b/cpu/arm1176/s3c64xx/usb.c
deleted file mode 100644
index 274a4ed3097..00000000000
--- a/cpu/arm1176/s3c64xx/usb.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * URB OHCI HCD (Host Controller Driver) initialization for USB on the S3C64XX.
- *
- * Copyright (C) 2008,
- * Guennadi Liakhovetski, DENX Software Engineering <lg@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 <common.h>
-#include <s3c6400.h>
-
-int usb_cpu_init(void)
-{
- OTHERS_REG |= 0x10000;
- return 0;
-}
-
-int usb_cpu_stop(void)
-{
- OTHERS_REG &= ~0x10000;
- return 0;
-}
-
-void usb_cpu_init_fail(void)
-{
- OTHERS_REG &= ~0x10000;
-}
diff --git a/cpu/arm720t/Makefile b/cpu/arm720t/Makefile
index c97f329638e..d5ac7d3fd98 100644
--- a/cpu/arm720t/Makefile
+++ b/cpu/arm720t/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = serial.o serial_netarm.o interrupts.o cpu.o
+COBJS = interrupts.o cpu.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/cpu/arm720t/cpu.c b/cpu/arm720t/cpu.c
index 5ac8f59ab3c..8166982e6a7 100644
--- a/cpu/arm720t/cpu.c
+++ b/cpu/arm720t/cpu.c
@@ -188,71 +188,9 @@ int dcache_status (void)
{
return (read_p15_c1 () & C1_IDC) != 0;
}
-
-#elif defined(CONFIG_S3C4510B)
-
-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();
-}
-
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* No specific cache setup for IntegratorAP/CM720T as yet */
void icache_enable (void)
{
}
-#elif defined(CONFIG_LPC2292) /* just to satisfy the compiler */
-#else
-#error No icache/dcache enable/disable functions defined for this CPU type
#endif
diff --git a/cpu/arm720t/s3c4510b/Makefile b/cpu/arm720t/s3c4510b/Makefile
new file mode 100644
index 00000000000..c9520b632a1
--- /dev/null
+++ b/cpu/arm720t/s3c4510b/Makefile
@@ -0,0 +1,46 @@
+#
+# (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).a
+
+COBJS-y += cache.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
+
diff --git a/cpu/arm720t/s3c4510b/cache.c b/cpu/arm720t/s3c4510b/cache.c
new file mode 100644
index 00000000000..104d287b264
--- /dev/null
+++ b/cpu/arm720t/s3c4510b/cache.c
@@ -0,0 +1,86 @@
+/*
+ * (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/cpu/arm720t/serial.c b/cpu/arm720t/serial.c
deleted file mode 100644
index 54a9b3137bd..00000000000
--- a/cpu/arm720t/serial.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * (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
- *
- */
-
-#include <common.h>
-
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
-
-#include <clps7111.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void serial_setbrg (void)
-{
- unsigned int reg = 0;
-
- switch (gd->baudrate) {
- case 1200: reg = 191; break;
- case 9600: reg = 23; break;
- case 19200: reg = 11; break;
- case 38400: reg = 5; break;
- case 57600: reg = 3; break;
- case 115200: reg = 1; break;
- default: hang (); break;
- }
-
- /* init serial serial 1,2 */
- IO_SYSCON1 = SYSCON1_UART1EN;
- IO_SYSCON2 = SYSCON2_UART2EN;
-
- reg |= UBRLCR_WRDLEN8;
-
- IO_UBRLCR1 = reg;
- IO_UBRLCR2 = reg;
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
- serial_setbrg ();
-
- return (0);
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
- int tmo;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-
- tmo = get_timer (0) + 1 * CONFIG_SYS_HZ;
- while (IO_SYSFLG1 & SYSFLG1_UTXFF)
- if (get_timer (0) > tmo)
- break;
-
- IO_UARTDR1 = c;
-}
-
-/*
- * 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.
- */
-int serial_tstc (void)
-{
- return !(IO_SYSFLG1 & SYSFLG1_URXFE);
-}
-
-/*
- * 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.
- */
-int serial_getc (void)
-{
- while (IO_SYSFLG1 & SYSFLG1_URXFE);
-
- return IO_UARTDR1 & 0xff;
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-#elif defined(CONFIG_LPC2292)
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#include <asm/arch/hardware.h>
-
-void serial_setbrg (void)
-{
- unsigned short divisor = 0;
-
- switch (gd->baudrate) {
- case 1200: divisor = 3072; break;
- case 9600: divisor = 384; break;
- case 19200: divisor = 192; break;
- case 38400: divisor = 96; break;
- case 57600: divisor = 64; break;
- case 115200: divisor = 32; break;
- default: hang (); break;
- }
-
- /* init serial UART0 */
- PUT8(U0LCR, 0);
- PUT8(U0IER, 0);
- PUT8(U0LCR, 0x80); /* DLAB=1 */
- PUT8(U0DLL, (unsigned char)(divisor & 0x00FF));
- PUT8(U0DLM, (unsigned char)(divisor >> 8));
- PUT8(U0LCR, 0x03); /* 8N1, DLAB=0 */
- PUT8(U0FCR, 1); /* Enable RX and TX FIFOs */
-}
-
-int serial_init (void)
-{
- unsigned long pinsel0;
-
- serial_setbrg ();
-
- pinsel0 = GET32(PINSEL0);
- pinsel0 &= ~(0x00000003);
- pinsel0 |= 5;
- PUT32(PINSEL0, pinsel0);
-
- return (0);
-}
-
-void serial_putc (const char c)
-{
- if (c == '\n')
- {
- while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
- PUT8(U0THR, '\r');
- }
-
- while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
- PUT8(U0THR, c);
-}
-
-int serial_getc (void)
-{
- while((GET8(U0LSR) & 1) == 0);
- return GET8(U0RBR);
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-/* Test if there is a byte to read */
-int serial_tstc (void)
-{
- return (GET8(U0LSR) & 1);
-}
-
-#endif
diff --git a/cpu/arm720t/serial_netarm.c b/cpu/arm720t/serial_netarm.c
deleted file mode 100644
index 1a1b2dbd4f7..00000000000
--- a/cpu/arm720t/serial_netarm.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Serial Port stuff - taken from Linux
- *
- * (C) Copyright 2002
- * MAZeT GmbH <www.mazet.de>
- * Stephan Linz <linz@mazet.de>, <linz@li-pro.net>
- *
- * (c) 2004
- * IMMS gGmbH <www.imms.de>
- * Thomas Elste <info@elste.org>
- *
- * 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>
-
-#ifdef CONFIG_NETARM
-
-#include <asm/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define PORTA (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTA))
-#if !defined(CONFIG_NETARM_NS7520)
-#define PORTB (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTB))
-#else
-#define PORTC (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTC))
-#endif
-
-/* wait until transmitter is ready for another character */
-#define TXWAITRDY(registers) \
-{ \
- ulong tmo = get_timer(0) + 1 * CONFIG_SYS_HZ; \
- while (((registers)->status_a & NETARM_SER_STATA_TX_RDY) == 0 ) { \
- if (get_timer(0) > tmo) \
- break; \
- } \
-}
-
-
-#ifndef CONFIG_UART1_CONSOLE
-volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(0);
-volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(1);
-#else
-volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(1);
-volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(0);
-#endif
-
-extern void _netarm_led_FAIL1(void);
-
-/*
- * Setup both serial i/f with given baudrate
- */
-void serial_setbrg (void)
-{
- /* set 0 ... make sure pins are configured for serial */
-#if !defined(CONFIG_NETARM_NS7520)
- PORTA = PORTB =
- NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
-#else
- PORTA = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
- PORTC = NETARM_GEN_PORT_CSF (0xef) | NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
-#endif
-
- /* first turn em off */
- serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a = 0;
-
- /* clear match register, we don't need it */
- serial_reg_ch1->rx_match = serial_reg_ch2->rx_match = 0;
-
- /* setup bit rate generator and rx buffer gap timer (1 byte only) */
- if ((gd->baudrate >= MIN_BAUD_RATE)
- && (gd->baudrate <= MAX_BAUD_RATE)) {
- serial_reg_ch1->bitrate = serial_reg_ch2->bitrate =
- NETARM_SER_BR_X16 (gd->baudrate);
- serial_reg_ch1->rx_buf_timer = serial_reg_ch2->rx_buf_timer =
- 0;
- serial_reg_ch1->rx_char_timer = serial_reg_ch2->rx_char_timer =
- NETARM_SER_RXGAP (gd->baudrate);
- } else {
- hang ();
- }
-
- /* setup port mode */
- serial_reg_ch1->ctrl_b = serial_reg_ch2->ctrl_b =
- ( NETARM_SER_CTLB_RCGT_EN |
- NETARM_SER_CTLB_UART_MODE);
- serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a =
- ( NETARM_SER_CTLA_ENABLE |
- NETARM_SER_CTLA_P_NONE |
- /* see errata */
- NETARM_SER_CTLA_2STOP |
- NETARM_SER_CTLA_8BITS |
- NETARM_SER_CTLA_DTR_EN |
- NETARM_SER_CTLA_RTS_EN);
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- */
-int serial_init (void)
-{
- serial_setbrg ();
- return 0;
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
- volatile unsigned char *fifo;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-
- fifo = (volatile unsigned char *) &(serial_reg_ch1->fifo);
- TXWAITRDY (serial_reg_ch1);
- *fifo = c;
-}
-
-/*
- * Test of a single byte from the serial port. Returns 1 on success, 0
- * otherwise.
- */
-int serial_tstc(void)
-{
- return serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY;
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise.
- */
-int serial_getc (void)
-{
- unsigned int ch_uint;
- volatile unsigned int *fifo;
- volatile unsigned char *fifo_char = NULL;
- int buf_count = 0;
-
- while (!(serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY))
- /* NOP */ ;
-
- fifo = (volatile unsigned int *) &(serial_reg_ch1->fifo);
- fifo_char = (unsigned char *) &ch_uint;
- ch_uint = *fifo;
-
- buf_count = NETARM_SER_STATA_RXFDB (serial_reg_ch1->status_a);
- switch (buf_count) {
- case NETARM_SER_STATA_RXFDB_4BYTES:
- buf_count = 4;
- break;
- case NETARM_SER_STATA_RXFDB_3BYTES:
- buf_count = 3;
- break;
- case NETARM_SER_STATA_RXFDB_2BYTES:
- buf_count = 2;
- break;
- case NETARM_SER_STATA_RXFDB_1BYTES:
- buf_count = 1;
- break;
- default:
- /* panic, be never here */
- break;
- }
-
- serial_reg_ch1->status_a |= NETARM_SER_STATA_RX_CLOSED;
-
- return ch_uint & 0xff;
-}
-
-void serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-#endif /* CONFIG_NETARM */
diff --git a/cpu/arm920t/imx/Makefile b/cpu/arm920t/imx/Makefile
index 9207ec1bcb3..d3352deb4b6 100644
--- a/cpu/arm920t/imx/Makefile
+++ b/cpu/arm920t/imx/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-COBJS = generic.o interrupts.o serial.o speed.o
+COBJS = generic.o interrupts.o speed.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/arm920t/imx/serial.c b/cpu/arm920t/imx/serial.c
deleted file mode 100644
index 85f1167e36e..00000000000
--- a/cpu/arm920t/imx/serial.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
- * (c) 2004 Sascha Hauer <sascha@saschahauer.de>
- *
- * 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>
-#if defined (CONFIG_IMX)
-
-#include <asm/arch/imx-regs.h>
-
-#ifndef CONFIG_IMX_SERIAL_NONE
-
-#if defined CONFIG_IMX_SERIAL1
-#define UART_BASE IMX_UART1_BASE
-#elif defined CONFIG_IMX_SERIAL2
-#define UART_BASE IMX_UART2_BASE
-#else
-#error "define CONFIG_IMX_SERIAL1, CONFIG_IMX_SERIAL2 or CONFIG_IMX_SERIAL_NONE"
-#endif
-
-struct imx_serial {
- volatile uint32_t urxd[16];
- volatile uint32_t utxd[16];
- volatile uint32_t ucr1;
- volatile uint32_t ucr2;
- volatile uint32_t ucr3;
- volatile uint32_t ucr4;
- volatile uint32_t ufcr;
- volatile uint32_t usr1;
- volatile uint32_t usr2;
- volatile uint32_t uesc;
- volatile uint32_t utim;
- volatile uint32_t ubir;
- volatile uint32_t ubmr;
- volatile uint32_t ubrc;
- volatile uint32_t bipr[4];
- volatile uint32_t bmpr[4];
- volatile uint32_t uts;
-};
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void serial_setbrg (void)
-{
- serial_init();
-}
-
-extern void imx_gpio_mode(int gpio_mode);
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
- volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
- unsigned int ufcr_rfdiv;
- unsigned int refclk;
-
-#ifdef CONFIG_IMX_SERIAL1
- imx_gpio_mode(PC11_PF_UART1_TXD);
- imx_gpio_mode(PC12_PF_UART1_RXD);
-#else
- imx_gpio_mode(PB30_PF_UART2_TXD);
- imx_gpio_mode(PB31_PF_UART2_RXD);
-#endif
-
- /* Disable UART */
- base->ucr1 &= ~UCR1_UARTEN;
-
- /* Set to default POR state */
-
- base->ucr1 = 0x00000004;
- base->ucr2 = 0x00000000;
- base->ucr3 = 0x00000000;
- base->ucr4 = 0x00008040;
- base->uesc = 0x0000002B;
- base->utim = 0x00000000;
- base->ubir = 0x00000000;
- base->ubmr = 0x00000000;
- base->uts = 0x00000000;
- /* Set clocks */
- base->ucr4 |= UCR4_REF16;
-
- /* Configure FIFOs */
- base->ufcr = 0xa81;
-
- /* set the baud rate.
- *
- * baud * 16 x
- * --------- = -
- * refclk y
- *
- * x - 1 = UBIR
- * y - 1 = UBMR
- *
- * each register is 16 bits wide. refclk max is 96 MHz
- *
- */
-
- ufcr_rfdiv = ((base->ufcr) & UFCR_RFDIV) >> 7;
- if (ufcr_rfdiv == 6)
- ufcr_rfdiv = 7;
- else
- ufcr_rfdiv = 6 - ufcr_rfdiv;
-
- refclk = get_PERCLK1();
- refclk /= ufcr_rfdiv;
-
- /* Set the numerator value minus one of the BRM ratio */
- base->ubir = (gd->baudrate / 100) - 1;
-
- /* Set the denominator value minus one of the BRM ratio */
- base->ubmr = (refclk/(16 * 100)) - 1;
-
- /* Set to 8N1 */
- base->ucr2 &= ~UCR2_PREN;
- base->ucr2 |= UCR2_WS;
- base->ucr2 &= ~UCR2_STPB;
-
- /* Ignore RTS */
- base->ucr2 |= UCR2_IRTS;
-
- /* Enable UART */
- base->ucr1 |= UCR1_UARTEN | UCR1_UARTCLKEN;
-
- /* Enable FIFOs */
- base->ucr2 |= UCR2_SRST | UCR2_RXEN | UCR2_TXEN;
-
- /* Clear status flags */
- base->usr2 |= USR2_ADET |
- USR2_DTRF |
- USR2_IDLE |
- USR2_IRINT |
- USR2_WAKE |
- USR2_RTSF |
- USR2_BRCD |
- USR2_ORE;
-
- /* Clear status flags */
- base->usr1 |= USR1_PARITYERR |
- USR1_RTSD |
- USR1_ESCF |
- USR1_FRAMERR |
- USR1_AIRINT |
- USR1_AWAKE;
- return (0);
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is successful, the character read is
- * written into its argument c.
- */
-int serial_getc (void)
-{
- volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
- unsigned char ch;
-
- while(base->uts & UTS_RXEMPTY);
-
- ch = (char)base->urxd[0];
-
- return ch;
-}
-
-#ifdef CONFIG_HWFLOW
-static int hwflow = 0; /* turned off by default */
-int hwflow_onoff(int on)
-{
-}
-#endif
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
- volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
-
- /* Wait for Tx FIFO not full */
- while (base->uts & UTS_TXFULL);
-
- base->utxd[0] = c;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-}
-
-/*
- * Test whether a character is in the RX buffer
- */
-int serial_tstc (void)
-{
- volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
-
- /* If receive fifo is empty, return false */
- if (base->uts & UTS_RXEMPTY)
- return 0;
- return 1;
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-#endif /* CONFIG_IMX_SERIAL_NONE */
-#endif /* defined CONFIG_IMX */
diff --git a/cpu/arm920t/ks8695/Makefile b/cpu/arm920t/ks8695/Makefile
index 7db9473524a..f6b006300b1 100644
--- a/cpu/arm920t/ks8695/Makefile
+++ b/cpu/arm920t/ks8695/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-COBJS = interrupts.o serial.o
+COBJS = interrupts.o
SOBJS = lowlevel_init.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/cpu/arm920t/ks8695/serial.c b/cpu/arm920t/ks8695/serial.c
deleted file mode 100644
index aacd1be630b..00000000000
--- a/cpu/arm920t/ks8695/serial.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * serial.c -- KS8695 serial driver
- *
- * (C) Copyright 2004, Greg Ungerer <greg.ungerer@opengear.com>
- *
- * 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/arch/platform.h>
-
-#ifndef CONFIG_SERIAL1
-#error "Bad: you didn't configure serial ..."
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * Define the UART hardware register access structure.
- */
-struct ks8695uart {
- unsigned int RX; /* 0x00 - Receive data (r) */
- unsigned int TX; /* 0x04 - Transmit data (w) */
- unsigned int FCR; /* 0x08 - Fifo Control (r/w) */
- unsigned int LCR; /* 0x0c - Line Control (r/w) */
- unsigned int MCR; /* 0x10 - Modem Control (r/w) */
- unsigned int LSR; /* 0x14 - Line Status (r/w) */
- unsigned int MSR; /* 0x18 - Modem Status (r/w) */
- unsigned int BD; /* 0x1c - Baud Rate (r/w) */
- unsigned int SR; /* 0x20 - Status (r/w) */
-};
-
-#define KS8695_UART_ADDR ((void *) (KS8695_IO_BASE + KS8695_UART_RX_BUFFER))
-#define KS8695_UART_CLK 25000000
-
-
-/*
- * Under some circumstances we want to be "quiet" and not issue any
- * serial output - though we want u-boot to otherwise work and behave
- * the same. By default be noisy.
- */
-int serial_console = 1;
-
-
-void serial_setbrg(void)
-{
- volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
-
- /* Set to global baud rate and 8 data bits, no parity, 1 stop bit*/
- uartp->BD = KS8695_UART_CLK / gd->baudrate;
- uartp->LCR = KS8695_UART_LINEC_WLEN8;
-}
-
-int serial_init(void)
-{
- serial_console = 1;
- serial_setbrg();
- return 0;
-}
-
-void serial_raw_putc(const char c)
-{
- volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
- int i;
-
- for (i = 0; (i < 0x100000); i++) {
- if (uartp->LSR & KS8695_UART_LINES_TXFE)
- break;
- }
-
- uartp->TX = c;
-}
-
-void serial_putc(const char c)
-{
- if (serial_console) {
- serial_raw_putc(c);
- if (c == '\n')
- serial_raw_putc('\r');
- }
-}
-
-int serial_tstc(void)
-{
- volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
- if (serial_console)
- return ((uartp->LSR & KS8695_UART_LINES_RXFE) ? 1 : 0);
- return 0;
-}
-
-void serial_puts(const char *s)
-{
- char c;
- while ((c = *s++) != 0)
- serial_putc(c);
-}
-
-int serial_getc(void)
-{
- volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
-
- while ((uartp->LSR & KS8695_UART_LINES_RXFE) == 0)
- ;
- return (uartp->RX);
-}
diff --git a/cpu/arm920t/s3c24x0/Makefile b/cpu/arm920t/s3c24x0/Makefile
index 676492025ae..3afe19ce9c7 100644
--- a/cpu/arm920t/s3c24x0/Makefile
+++ b/cpu/arm920t/s3c24x0/Makefile
@@ -25,8 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-COBJS = i2c.o interrupts.o serial.o speed.o \
- usb.o usb_ohci.o nand.o
+COBJS = interrupts.o speed.o usb.o usb_ohci.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/arm920t/s3c24x0/i2c.c b/cpu/arm920t/s3c24x0/i2c.c
deleted file mode 100644
index fba5cd1b5fb..00000000000
--- a/cpu/arm920t/s3c24x0/i2c.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/*
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
- *
- * 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
- */
-
-/* This code should work for both the S3C2400 and the S3C2410
- * as they seem to have the same I2C controller inside.
- * The different address mapping is handled by the s3c24xx.h files below.
- */
-
-#include <common.h>
-
-#ifdef CONFIG_DRIVER_S3C24X0_I2C
-
-#if defined(CONFIG_S3C2400)
-#include <s3c2400.h>
-#elif defined(CONFIG_S3C2410)
-#include <s3c2410.h>
-#endif
-#include <i2c.h>
-
-#ifdef CONFIG_HARD_I2C
-
-#define I2C_WRITE 0
-#define I2C_READ 1
-
-#define I2C_OK 0
-#define I2C_NOK 1
-#define I2C_NACK 2
-#define I2C_NOK_LA 3 /* Lost arbitration */
-#define I2C_NOK_TOUT 4 /* time out */
-
-#define I2CSTAT_BSY 0x20 /* Busy bit */
-#define I2CSTAT_NACK 0x01 /* Nack bit */
-#define I2CCON_IRPND 0x10 /* Interrupt pending bit */
-#define I2C_MODE_MT 0xC0 /* Master Transmit Mode */
-#define I2C_MODE_MR 0x80 /* Master Receive Mode */
-#define I2C_START_STOP 0x20 /* START / STOP */
-#define I2C_TXRX_ENA 0x10 /* I2C Tx/Rx enable */
-
-#define I2C_TIMEOUT 1 /* 1 second */
-
-
-static int GetI2CSDA(void)
-{
- S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-
-#ifdef CONFIG_S3C2410
- return (gpio->GPEDAT & 0x8000) >> 15;
-#endif
-#ifdef CONFIG_S3C2400
- return (gpio->PGDAT & 0x0020) >> 5;
-#endif
-}
-
-#if 0
-static void SetI2CSDA(int x)
-{
- rGPEDAT = (rGPEDAT & ~0x8000) | (x&1) << 15;
-}
-#endif
-
-static void SetI2CSCL(int x)
-{
- S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-
-#ifdef CONFIG_S3C2410
- gpio->GPEDAT = (gpio->GPEDAT & ~0x4000) | (x&1) << 14;
-#endif
-#ifdef CONFIG_S3C2400
- gpio->PGDAT = (gpio->PGDAT & ~0x0040) | (x&1) << 6;
-#endif
-}
-
-
-static int WaitForXfer (void)
-{
- S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
- int i, status;
-
- i = I2C_TIMEOUT * 10000;
- status = i2c->IICCON;
- while ((i > 0) && !(status & I2CCON_IRPND)) {
- udelay (100);
- status = i2c->IICCON;
- i--;
- }
-
- return (status & I2CCON_IRPND) ? I2C_OK : I2C_NOK_TOUT;
-}
-
-static int IsACK (void)
-{
- S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
-
- return (!(i2c->IICSTAT & I2CSTAT_NACK));
-}
-
-static void ReadWriteByte (void)
-{
- S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
-
- i2c->IICCON &= ~I2CCON_IRPND;
-}
-
-void i2c_init (int speed, int slaveadd)
-{
- S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
- S3C24X0_GPIO *const gpio = S3C24X0_GetBase_GPIO ();
- ulong freq, pres = 16, div;
- int i, status;
-
- /* wait for some time to give previous transfer a chance to finish */
-
- i = I2C_TIMEOUT * 1000;
- status = i2c->IICSTAT;
- while ((i > 0) && (status & I2CSTAT_BSY)) {
- udelay (1000);
- status = i2c->IICSTAT;
- i--;
- }
-
- if ((status & I2CSTAT_BSY) || GetI2CSDA () == 0) {
-#ifdef CONFIG_S3C2410
- ulong old_gpecon = gpio->GPECON;
-#endif
-#ifdef CONFIG_S3C2400
- ulong old_gpecon = gpio->PGCON;
-#endif
- /* bus still busy probably by (most) previously interrupted transfer */
-
-#ifdef CONFIG_S3C2410
- /* set I2CSDA and I2CSCL (GPE15, GPE14) to GPIO */
- gpio->GPECON = (gpio->GPECON & ~0xF0000000) | 0x10000000;
-#endif
-#ifdef CONFIG_S3C2400
- /* set I2CSDA and I2CSCL (PG5, PG6) to GPIO */
- gpio->PGCON = (gpio->PGCON & ~0x00003c00) | 0x00001000;
-#endif
-
- /* toggle I2CSCL until bus idle */
- SetI2CSCL (0);
- udelay (1000);
- i = 10;
- while ((i > 0) && (GetI2CSDA () != 1)) {
- SetI2CSCL (1);
- udelay (1000);
- SetI2CSCL (0);
- udelay (1000);
- i--;
- }
- SetI2CSCL (1);
- udelay (1000);
-
- /* restore pin functions */
-#ifdef CONFIG_S3C2410
- gpio->GPECON = old_gpecon;
-#endif
-#ifdef CONFIG_S3C2400
- gpio->PGCON = old_gpecon;
-#endif
- }
-
- /* calculate prescaler and divisor values */
- freq = get_PCLK ();
- if ((freq / pres / (16 + 1)) > speed)
- /* set prescaler to 512 */
- pres = 512;
-
- div = 0;
- while ((freq / pres / (div + 1)) > speed)
- div++;
-
- /* set prescaler, divisor according to freq, also set
- * ACKGEN, IRQ */
- i2c->IICCON = (div & 0x0F) | 0xA0 | ((pres == 512) ? 0x40 : 0);
-
- /* init to SLAVE REVEIVE and set slaveaddr */
- i2c->IICSTAT = 0;
- i2c->IICADD = slaveadd;
- /* program Master Transmit (and implicit STOP) */
- i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA;
-
-}
-
-/*
- * cmd_type is 0 for write, 1 for read.
- *
- * addr_len can take any value from 0-255, it is only limited
- * by the char, we could make it larger if needed. If it is
- * 0 we skip the address write cycle.
- */
-static
-int i2c_transfer (unsigned char cmd_type,
- unsigned char chip,
- unsigned char addr[],
- unsigned char addr_len,
- unsigned char data[], unsigned short data_len)
-{
- S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
- int i, status, result;
-
- if (data == 0 || data_len == 0) {
- /*Don't support data transfer of no length or to address 0 */
- printf ("i2c_transfer: bad call\n");
- return I2C_NOK;
- }
-
- /* Check I2C bus idle */
- i = I2C_TIMEOUT * 1000;
- status = i2c->IICSTAT;
- while ((i > 0) && (status & I2CSTAT_BSY)) {
- udelay (1000);
- status = i2c->IICSTAT;
- i--;
- }
-
- if (status & I2CSTAT_BSY)
- return I2C_NOK_TOUT;
-
- i2c->IICCON |= 0x80;
- result = I2C_OK;
-
- switch (cmd_type) {
- case I2C_WRITE:
- if (addr && addr_len) {
- i2c->IICDS = chip;
- /* send START */
- i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP;
- i = 0;
- while ((i < addr_len) && (result == I2C_OK)) {
- result = WaitForXfer ();
- i2c->IICDS = addr[i];
- ReadWriteByte ();
- i++;
- }
- i = 0;
- while ((i < data_len) && (result == I2C_OK)) {
- result = WaitForXfer ();
- i2c->IICDS = data[i];
- ReadWriteByte ();
- i++;
- }
- } else {
- i2c->IICDS = chip;
- /* send START */
- i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP;
- i = 0;
- while ((i < data_len) && (result = I2C_OK)) {
- result = WaitForXfer ();
- i2c->IICDS = data[i];
- ReadWriteByte ();
- i++;
- }
- }
-
- if (result == I2C_OK)
- result = WaitForXfer ();
-
- /* send STOP */
- i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA;
- ReadWriteByte ();
- break;
-
- case I2C_READ:
- if (addr && addr_len) {
- i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA;
- i2c->IICDS = chip;
- /* send START */
- i2c->IICSTAT |= I2C_START_STOP;
- result = WaitForXfer ();
- if (IsACK ()) {
- i = 0;
- while ((i < addr_len) && (result == I2C_OK)) {
- i2c->IICDS = addr[i];
- ReadWriteByte ();
- result = WaitForXfer ();
- i++;
- }
-
- i2c->IICDS = chip;
- /* resend START */
- i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA |
- I2C_START_STOP;
- ReadWriteByte ();
- result = WaitForXfer ();
- i = 0;
- while ((i < data_len) && (result == I2C_OK)) {
- /* disable ACK for final READ */
- if (i == data_len - 1)
- i2c->IICCON &= ~0x80;
- ReadWriteByte ();
- result = WaitForXfer ();
- data[i] = i2c->IICDS;
- i++;
- }
- } else {
- result = I2C_NACK;
- }
-
- } else {
- i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA;
- i2c->IICDS = chip;
- /* send START */
- i2c->IICSTAT |= I2C_START_STOP;
- result = WaitForXfer ();
-
- if (IsACK ()) {
- i = 0;
- while ((i < data_len) && (result == I2C_OK)) {
- /* disable ACK for final READ */
- if (i == data_len - 1)
- i2c->IICCON &= ~0x80;
- ReadWriteByte ();
- result = WaitForXfer ();
- data[i] = i2c->IICDS;
- i++;
- }
- } else {
- result = I2C_NACK;
- }
- }
-
- /* send STOP */
- i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA;
- ReadWriteByte ();
- break;
-
- default:
- printf ("i2c_transfer: bad call\n");
- result = I2C_NOK;
- break;
- }
-
- return (result);
-}
-
-int i2c_probe (uchar chip)
-{
- uchar buf[1];
-
- buf[0] = 0;
-
- /*
- * What is needed is to send the chip address and verify that the
- * address was <ACK>ed (i.e. there was a chip at that address which
- * drove the data line low).
- */
- return (i2c_transfer (I2C_READ, chip << 1, 0, 0, buf, 1) != I2C_OK);
-}
-
-int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
-{
- uchar xaddr[4];
- int ret;
-
- if (alen > 4) {
- printf ("I2C read: addr len %d not supported\n", alen);
- return 1;
- }
-
- if (alen > 0) {
- xaddr[0] = (addr >> 24) & 0xFF;
- xaddr[1] = (addr >> 16) & 0xFF;
- xaddr[2] = (addr >> 8) & 0xFF;
- xaddr[3] = addr & 0xFF;
- }
-
-#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
- /*
- * EEPROM chips that implement "address overflow" are ones
- * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
- * address and the extra bits end up in the "chip address"
- * bit slots. This makes a 24WC08 (1Kbyte) chip look like
- * four 256 byte chips.
- *
- * Note that we consider the length of the address field to
- * still be one byte because the extra address bits are
- * hidden in the chip address.
- */
- if (alen > 0)
- chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
-#endif
- if ((ret =
- i2c_transfer (I2C_READ, chip << 1, &xaddr[4 - alen], alen,
- buffer, len)) != 0) {
- printf ("I2c read: failed %d\n", ret);
- return 1;
- }
- return 0;
-}
-
-int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
-{
- uchar xaddr[4];
-
- if (alen > 4) {
- printf ("I2C write: addr len %d not supported\n", alen);
- return 1;
- }
-
- if (alen > 0) {
- xaddr[0] = (addr >> 24) & 0xFF;
- xaddr[1] = (addr >> 16) & 0xFF;
- xaddr[2] = (addr >> 8) & 0xFF;
- xaddr[3] = addr & 0xFF;
- }
-#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
- /*
- * EEPROM chips that implement "address overflow" are ones
- * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
- * address and the extra bits end up in the "chip address"
- * bit slots. This makes a 24WC08 (1Kbyte) chip look like
- * four 256 byte chips.
- *
- * Note that we consider the length of the address field to
- * still be one byte because the extra address bits are
- * hidden in the chip address.
- */
- if (alen > 0)
- chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
-#endif
- return (i2c_transfer
- (I2C_WRITE, chip << 1, &xaddr[4 - alen], alen, buffer,
- len) != 0);
-}
-#endif /* CONFIG_HARD_I2C */
-
-#endif /* CONFIG_DRIVER_S3C24X0_I2C */
diff --git a/cpu/arm920t/s3c24x0/nand.c b/cpu/arm920t/s3c24x0/nand.c
deleted file mode 100644
index 60174fb4d2b..00000000000
--- a/cpu/arm920t/s3c24x0/nand.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * (C) Copyright 2006 OpenMoko, Inc.
- * Author: Harald Welte <laforge@openmoko.org>
- *
- * 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>
-
-#if 0
-#define DEBUGN printf
-#else
-#define DEBUGN(x, args ...) {}
-#endif
-
-#if defined(CONFIG_CMD_NAND)
-#if !defined(CONFIG_NAND_LEGACY)
-
-#include <nand.h>
-#include <s3c2410.h>
-#include <asm/io.h>
-
-#define __REGb(x) (*(volatile unsigned char *)(x))
-#define __REGi(x) (*(volatile unsigned int *)(x))
-
-#define NF_BASE 0x4e000000
-#define NFCONF __REGi(NF_BASE + 0x0)
-#define NFCMD __REGb(NF_BASE + 0x4)
-#define NFADDR __REGb(NF_BASE + 0x8)
-#define NFDATA __REGb(NF_BASE + 0xc)
-#define NFSTAT __REGb(NF_BASE + 0x10)
-#define NFECC0 __REGb(NF_BASE + 0x14)
-#define NFECC1 __REGb(NF_BASE + 0x15)
-#define NFECC2 __REGb(NF_BASE + 0x16)
-
-#define S3C2410_NFCONF_EN (1<<15)
-#define S3C2410_NFCONF_512BYTE (1<<14)
-#define S3C2410_NFCONF_4STEP (1<<13)
-#define S3C2410_NFCONF_INITECC (1<<12)
-#define S3C2410_NFCONF_nFCE (1<<11)
-#define S3C2410_NFCONF_TACLS(x) ((x)<<8)
-#define S3C2410_NFCONF_TWRPH0(x) ((x)<<4)
-#define S3C2410_NFCONF_TWRPH1(x) ((x)<<0)
-
-#define S3C2410_ADDR_NALE 4
-#define S3C2410_ADDR_NCLE 8
-
-static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- struct nand_chip *chip = mtd->priv;
-
- DEBUGN("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
-
- if (ctrl & NAND_CTRL_CHANGE) {
- ulong IO_ADDR_W = NF_BASE;
-
- if (!(ctrl & NAND_CLE))
- IO_ADDR_W |= S3C2410_ADDR_NCLE;
- if (!(ctrl & NAND_ALE))
- IO_ADDR_W |= S3C2410_ADDR_NALE;
-
- chip->IO_ADDR_W = (void *)IO_ADDR_W;
-
- if (ctrl & NAND_NCE)
- NFCONF &= ~S3C2410_NFCONF_nFCE;
- else
- NFCONF |= S3C2410_NFCONF_nFCE;
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, chip->IO_ADDR_W);
-}
-
-static int s3c2410_dev_ready(struct mtd_info *mtd)
-{
- DEBUGN("dev_ready\n");
- return (NFSTAT & 0x01);
-}
-
-#ifdef CONFIG_S3C2410_NAND_HWECC
-void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
-{
- DEBUGN("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
- NFCONF |= S3C2410_NFCONF_INITECC;
-}
-
-static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
- u_char *ecc_code)
-{
- ecc_code[0] = NFECC0;
- ecc_code[1] = NFECC1;
- ecc_code[2] = NFECC2;
- DEBUGN("s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
- mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
-
- return 0;
-}
-
-static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
- u_char *read_ecc, u_char *calc_ecc)
-{
- if (read_ecc[0] == calc_ecc[0] &&
- read_ecc[1] == calc_ecc[1] &&
- read_ecc[2] == calc_ecc[2])
- return 0;
-
- printf("s3c2410_nand_correct_data: not implemented\n");
- return -1;
-}
-#endif
-
-int board_nand_init(struct nand_chip *nand)
-{
- u_int32_t cfg;
- u_int8_t tacls, twrph0, twrph1;
- S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
-
- DEBUGN("board_nand_init()\n");
-
- clk_power->CLKCON |= (1 << 4);
-
- /* initialize hardware */
- twrph0 = 3; twrph1 = 0; tacls = 0;
-
- cfg = S3C2410_NFCONF_EN;
- cfg |= S3C2410_NFCONF_TACLS(tacls - 1);
- cfg |= S3C2410_NFCONF_TWRPH0(twrph0 - 1);
- cfg |= S3C2410_NFCONF_TWRPH1(twrph1 - 1);
-
- NFCONF = cfg;
-
- /* initialize nand_chip data structure */
- nand->IO_ADDR_R = nand->IO_ADDR_W = (void *)0x4e00000c;
-
- /* read_buf and write_buf are default */
- /* read_byte and write_byte are default */
-
- /* hwcontrol always must be implemented */
- nand->cmd_ctrl = s3c2410_hwcontrol;
-
- nand->dev_ready = s3c2410_dev_ready;
-
-#ifdef CONFIG_S3C2410_NAND_HWECC
- nand->ecc.hwctl = s3c2410_nand_enable_hwecc;
- nand->ecc.calculate = s3c2410_nand_calculate_ecc;
- nand->ecc.correct = s3c2410_nand_correct_data;
- nand->ecc.mode = NAND_ECC_HW3_512;
-#else
- nand->ecc.mode = NAND_ECC_SOFT;
-#endif
-
-#ifdef CONFIG_S3C2410_NAND_BBT
- nand->options = NAND_USE_FLASH_BBT;
-#else
- nand->options = 0;
-#endif
-
- DEBUGN("end of nand_init\n");
-
- return 0;
-}
-
-#else
- #error "U-Boot legacy NAND support not available for S3C2410"
-#endif
-#endif
diff --git a/cpu/arm920t/s3c24x0/serial.c b/cpu/arm920t/s3c24x0/serial.c
deleted file mode 100644
index 064b99871d0..00000000000
--- a/cpu/arm920t/s3c24x0/serial.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * 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>
-#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB)
-
-#if defined(CONFIG_S3C2400) || defined(CONFIG_TRAB)
-#include <s3c2400.h>
-#elif defined(CONFIG_S3C2410)
-#include <s3c2410.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_SERIAL1
-#define UART_NR S3C24X0_UART0
-
-#elif defined(CONFIG_SERIAL2)
-# if defined(CONFIG_TRAB)
-# error "TRAB supports only CONFIG_SERIAL1"
-# endif
-#define UART_NR S3C24X0_UART1
-
-#elif defined(CONFIG_SERIAL3)
-# if defined(CONFIG_TRAB)
-# #error "TRAB supports only CONFIG_SERIAL1"
-# endif
-#define UART_NR S3C24X0_UART2
-
-#else
-#error "Bad: you didn't configure serial ..."
-#endif
-
-#if defined(CONFIG_SERIAL_MULTI)
-#include <serial.h>
-
-/* Multi serial device functions */
-#define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
- int s3serial##port##_init (void) {\
- return serial_init_dev(port);}\
- void s3serial##port##_setbrg (void) {\
- serial_setbrg_dev(port);}\
- int s3serial##port##_getc (void) {\
- return serial_getc_dev(port);}\
- int s3serial##port##_tstc (void) {\
- return serial_tstc_dev(port);}\
- void s3serial##port##_putc (const char c) {\
- serial_putc_dev(port, c);}\
- void s3serial##port##_puts (const char *s) {\
- serial_puts_dev(port, s);}
-
-#define INIT_S3C_SERIAL_STRUCTURE(port,name,bus) {\
- name,\
- bus,\
- s3serial##port##_init,\
- s3serial##port##_setbrg,\
- s3serial##port##_getc,\
- s3serial##port##_tstc,\
- s3serial##port##_putc,\
- s3serial##port##_puts, }
-
-#endif /* CONFIG_SERIAL_MULTI */
-
-void _serial_setbrg(const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
- unsigned int reg = 0;
- int i;
-
- /* value is calculated so : (int)(PCLK/16./baudrate) -1 */
- reg = get_PCLK() / (16 * gd->baudrate) - 1;
-
- uart->UBRDIV = reg;
- for (i = 0; i < 100; i++);
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline void
-serial_setbrg_dev(unsigned int dev_index)
-{
- _serial_setbrg(dev_index);
-}
-#else
-void serial_setbrg(void)
-{
- _serial_setbrg(UART_NR);
-}
-#endif
-
-
-/* Initialise the serial port. The settings are always 8 data bits, no parity,
- * 1 stop bit, no start bits.
- */
-static int serial_init_dev(const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-
- /* FIFO enable, Tx/Rx FIFO clear */
- uart->UFCON = 0x07;
- uart->UMCON = 0x0;
-
- /* Normal,No parity,1 stop,8 bit */
- uart->ULCON = 0x3;
- /*
- * tx=level,rx=edge,disable timeout int.,enable rx error int.,
- * normal,interrupt or polling
- */
- uart->UCON = 0x245;
-
-#ifdef CONFIG_HWFLOW
- uart->UMCON = 0x1; /* RTS up */
-#endif
-
- /* FIXME: This is sooooooooooooooooooo ugly */
-#if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2)
- /* we need auto hw flow control on the gsm and gps port */
- if (dev_index == 0 || dev_index == 1)
- uart->UMCON = 0x10;
-#endif
- _serial_setbrg(dev_index);
-
- return (0);
-}
-
-#if !defined(CONFIG_SERIAL_MULTI)
-/* Initialise the serial port. The settings are always 8 data bits, no parity,
- * 1 stop bit, no start bits.
- */
-int serial_init (void)
-{
- return serial_init_dev(UART_NR);
-}
-#endif
-
-/*
- * 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.
- */
-int _serial_getc (const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-
- /* wait for character to arrive */
- while (!(uart->UTRSTAT & 0x1));
-
- return uart->URXH & 0xff;
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline int serial_getc_dev(unsigned int dev_index)
-{
- return _serial_getc(dev_index);
-}
-#else
-int serial_getc (void)
-{
- return _serial_getc(UART_NR);
-}
-#endif
-
-#ifdef CONFIG_HWFLOW
-static int hwflow = 0; /* turned off by default */
-int hwflow_onoff(int on)
-{
- switch(on) {
- case 0:
- default:
- break; /* return current */
- case 1:
- hwflow = 1; /* turn on */
- break;
- case -1:
- hwflow = 0; /* turn off */
- break;
- }
- return hwflow;
-}
-#endif
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int be_quiet = 0;
-void disable_putc(void)
-{
- be_quiet = 1;
-}
-
-void enable_putc(void)
-{
- be_quiet = 0;
-}
-#endif
-
-
-/*
- * Output a single byte to the serial port.
- */
-void _serial_putc (const char c, const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-#ifdef CONFIG_MODEM_SUPPORT
- if (be_quiet)
- return;
-#endif
-
- /* wait for room in the tx FIFO */
- while (!(uart->UTRSTAT & 0x2));
-
-#ifdef CONFIG_HWFLOW
- /* Wait for CTS up */
- while(hwflow && !(uart->UMSTAT & 0x1))
- ;
-#endif
-
- uart->UTXH = c;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline void serial_putc_dev(unsigned int dev_index, const char c)
-{
- _serial_putc(c, dev_index);
-}
-#else
-void serial_putc(const char c)
-{
- _serial_putc(c, UART_NR);
-}
-#endif
-
-
-/*
- * Test whether a character is in the RX buffer
- */
-int _serial_tstc(const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-
- return uart->UTRSTAT & 0x1;
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline int
-serial_tstc_dev(unsigned int dev_index)
-{
- return _serial_tstc(dev_index);
-}
-#else
-int serial_tstc(void)
-{
- return _serial_tstc(UART_NR);
-}
-#endif
-
-void _serial_puts(const char *s, const int dev_index)
-{
- while (*s) {
- _serial_putc (*s++, dev_index);
- }
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline void
-serial_puts_dev(int dev_index, const char *s)
-{
- _serial_puts(s, dev_index);
-}
-#else
-void
-serial_puts (const char *s)
-{
- _serial_puts(s, UART_NR);
-}
-#endif
-
-#if defined(CONFIG_SERIAL_MULTI)
-DECLARE_S3C_SERIAL_FUNCTIONS(0);
-struct serial_device s3c24xx_serial0_device =
- INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0", "S3UART1");
-DECLARE_S3C_SERIAL_FUNCTIONS(1);
-struct serial_device s3c24xx_serial1_device =
- INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1", "S3UART2");
-DECLARE_S3C_SERIAL_FUNCTIONS(2);
-struct serial_device s3c24xx_serial2_device =
- INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2", "S3UART3");
-
-#endif /* CONFIG_SERIAL_MULTI */
-
-#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */
diff --git a/cpu/arm925t/interrupts.c b/cpu/arm925t/interrupts.c
index 3ef455447cf..e5c77f7a0fc 100644
--- a/cpu/arm925t/interrupts.c
+++ b/cpu/arm925t/interrupts.c
@@ -35,29 +35,26 @@
#include <common.h>
#include <arm925t.h>
#include <configs/omap1510.h>
+#include <asm/io.h>
#define TIMER_LOAD_VAL 0xffffffff
-/* macro to read the 32 bit timer */
-#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+8))
-
-static ulong timestamp;
-static ulong lastdec;
+static uint32_t timestamp;
+static uint32_t lastdec;
/* nothing really to do with interrupts, just starts up a counter. */
int interrupt_init (void)
{
- int32_t val;
-
/* Start the decrementer ticking down from 0xffffffff */
- *((int32_t *) (CONFIG_SYS_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL;
- val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CONFIG_SYS_PVT << MPUTIM_PTV_BIT);
- *((int32_t *) (CONFIG_SYS_TIMERBASE + CNTL_TIMER)) = val;
+ __raw_writel(TIMER_LOAD_VAL, CONFIG_SYS_TIMERBASE + LOAD_TIM);
+ __raw_writel(MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE |
+ (CONFIG_SYS_PTV << MPUTIM_PTV_BIT),
+ CONFIG_SYS_TIMERBASE + CNTL_TIMER);
/* init the timestamp and lastdec value */
reset_timer_masked();
- return (0);
+ return 0;
}
/*
@@ -84,17 +81,17 @@ void udelay (unsigned long usec)
{
ulong tmo, tmp;
- if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
+ if (usec >= 1000) { /* if "big" number, spread normalization to seconds */
tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
- tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */
tmo /= 1000; /* finish normalize. */
- }else{ /* else small number, don't kill it prior to HZ multiply */
+ } else { /* else small number, don't kill it prior to HZ multiply */
tmo = usec * CONFIG_SYS_HZ;
tmo /= (1000*1000);
}
tmp = get_timer (0); /* get current timestamp */
- if( (tmo + tmp + 1) < tmp ) /* if setting this fordward will roll time stamp */
+ if ((tmo + tmp + 1) < tmp) /* if setting this fordward will roll time stamp */
reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastdec value */
else
tmo += tmp; /* else, set advancing stamp wake up time */
@@ -106,13 +103,13 @@ void udelay (unsigned long usec)
void reset_timer_masked (void)
{
/* reset time */
- lastdec = READ_TIMER; /* capure current decrementer value time */
+ lastdec = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM);
timestamp = 0; /* start "advancing" time stamp from 0 */
}
ulong get_timer_masked (void)
{
- ulong now = READ_TIMER; /* current tick value */
+ uint32_t now = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM);
if (lastdec >= now) { /* normal mode (non roll) */
/* normal mode */
@@ -136,7 +133,7 @@ void udelay_masked (unsigned long usec)
#ifdef CONFIG_INNOVATOROMAP1510
#define LOOPS_PER_MSEC 60 /* tuned on omap1510 */
volatile int i, time_remaining = LOOPS_PER_MSEC*usec;
- for (i=time_remaining; i>0; i--) { }
+ for (i=time_remaining; i>0; i--) { }
#else
ulong tmo;
@@ -145,7 +142,7 @@ void udelay_masked (unsigned long usec)
if (usec >= 1000) { /* if "big" number, spread normalization to seconds */
tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
- tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */
tmo /= 1000; /* finish normalize. */
} else { /* else small number, don't kill it prior to HZ multiply */
tmo = usec * CONFIG_SYS_HZ;
@@ -176,8 +173,5 @@ unsigned long long get_ticks(void)
*/
ulong get_tbclk (void)
{
- ulong tbclk;
-
- tbclk = CONFIG_SYS_HZ;
- return tbclk;
+ return CONFIG_SYS_HZ;
}
diff --git a/cpu/arm926ejs/davinci/Makefile b/cpu/arm926ejs/davinci/Makefile
index 0f77f402ed8..ed24e6569f1 100644
--- a/cpu/arm926ejs/davinci/Makefile
+++ b/cpu/arm926ejs/davinci/Makefile
@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-COBJS = timer.o ether.o lxt972.o dp83848.o i2c.o nand.o
+COBJS = timer.o ether.o lxt972.o dp83848.o
SOBJS = lowlevel_init.o reset.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/cpu/arm926ejs/davinci/i2c.c b/cpu/arm926ejs/davinci/i2c.c
deleted file mode 100644
index 3ba20ef1869..00000000000
--- a/cpu/arm926ejs/davinci/i2c.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * TI DaVinci (TMS320DM644x) I2C driver.
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * --------------------------------------------------------
- *
- * 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>
-
-#ifdef CONFIG_DRIVER_DAVINCI_I2C
-
-#include <i2c.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/i2c_defs.h>
-
-#define CHECK_NACK() \
- do {\
- if (tmp & (I2C_TIMEOUT | I2C_STAT_NACK)) {\
- REG(I2C_CON) = 0;\
- return(1);\
- }\
- } while (0)
-
-
-static int wait_for_bus(void)
-{
- int stat, timeout;
-
- REG(I2C_STAT) = 0xffff;
-
- for (timeout = 0; timeout < 10; timeout++) {
- if (!((stat = REG(I2C_STAT)) & I2C_STAT_BB)) {
- REG(I2C_STAT) = 0xffff;
- return(0);
- }
-
- REG(I2C_STAT) = stat;
- udelay(50000);
- }
-
- REG(I2C_STAT) = 0xffff;
- return(1);
-}
-
-
-static int poll_i2c_irq(int mask)
-{
- int stat, timeout;
-
- for (timeout = 0; timeout < 10; timeout++) {
- udelay(1000);
- stat = REG(I2C_STAT);
- if (stat & mask) {
- return(stat);
- }
- }
-
- REG(I2C_STAT) = 0xffff;
- return(stat | I2C_TIMEOUT);
-}
-
-
-void flush_rx(void)
-{
- int dummy;
-
- while (1) {
- if (!(REG(I2C_STAT) & I2C_STAT_RRDY))
- break;
-
- dummy = REG(I2C_DRR);
- REG(I2C_STAT) = I2C_STAT_RRDY;
- udelay(1000);
- }
-}
-
-
-void i2c_init(int speed, int slaveadd)
-{
- u_int32_t div, psc;
-
- if (REG(I2C_CON) & I2C_CON_EN) {
- REG(I2C_CON) = 0;
- udelay (50000);
- }
-
- psc = 2;
- div = (CONFIG_SYS_HZ_CLOCK / ((psc + 1) * speed)) - 10; /* SCLL + SCLH */
- REG(I2C_PSC) = psc; /* 27MHz / (2 + 1) = 9MHz */
- REG(I2C_SCLL) = (div * 50) / 100; /* 50% Duty */
- REG(I2C_SCLH) = div - REG(I2C_SCLL);
-
- REG(I2C_OA) = slaveadd;
- REG(I2C_CNT) = 0;
-
- /* Interrupts must be enabled or I2C module won't work */
- REG(I2C_IE) = I2C_IE_SCD_IE | I2C_IE_XRDY_IE |
- I2C_IE_RRDY_IE | I2C_IE_ARDY_IE | I2C_IE_NACK_IE;
-
- /* Now enable I2C controller (get it out of reset) */
- REG(I2C_CON) = I2C_CON_EN;
-
- udelay(1000);
-}
-
-
-int i2c_probe(u_int8_t chip)
-{
- int rc = 1;
-
- if (chip == REG(I2C_OA)) {
- return(rc);
- }
-
- REG(I2C_CON) = 0;
- if (wait_for_bus()) {return(1);}
-
- /* try to read one byte from current (or only) address */
- REG(I2C_CNT) = 1;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP);
- udelay (50000);
-
- if (!(REG(I2C_STAT) & I2C_STAT_NACK)) {
- rc = 0;
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- } else {
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CON) |= I2C_CON_STP;
- udelay(20000);
- if (wait_for_bus()) {return(1);}
- }
-
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CNT) = 0;
- return(rc);
-}
-
-
-int i2c_read(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
-{
- u_int32_t tmp;
- int i;
-
- if ((alen < 0) || (alen > 2)) {
- printf("%s(): bogus address length %x\n", __FUNCTION__, alen);
- return(1);
- }
-
- if (wait_for_bus()) {return(1);}
-
- if (alen != 0) {
- /* Start address phase */
- tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX;
- REG(I2C_CNT) = alen;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = tmp;
-
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
-
- CHECK_NACK();
-
- switch (alen) {
- case 2:
- /* Send address MSByte */
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = (addr >> 8) & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
-
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
-
- CHECK_NACK();
- /* No break, fall through */
- case 1:
- /* Send address LSByte */
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = addr & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
-
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK | I2C_STAT_ARDY);
-
- CHECK_NACK();
-
- if (!(tmp & I2C_STAT_ARDY)) {
- REG(I2C_CON) = 0;
- return(1);
- }
- }
- }
-
- /* Address phase is over, now read 'len' bytes and stop */
- tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP;
- REG(I2C_CNT) = len & 0xffff;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = tmp;
-
- for (i = 0; i < len; i++) {
- tmp = poll_i2c_irq(I2C_STAT_RRDY | I2C_STAT_NACK | I2C_STAT_ROVR);
-
- CHECK_NACK();
-
- if (tmp & I2C_STAT_RRDY) {
- buf[i] = REG(I2C_DRR);
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
- }
-
- tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK);
-
- CHECK_NACK();
-
- if (!(tmp & I2C_STAT_SCD)) {
- REG(I2C_CON) = 0;
- return(1);
- }
-
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CNT) = 0;
- REG(I2C_CON) = 0;
-
- return(0);
-}
-
-
-int i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
-{
- u_int32_t tmp;
- int i;
-
- if ((alen < 0) || (alen > 2)) {
- printf("%s(): bogus address length %x\n", __FUNCTION__, alen);
- return(1);
- }
- if (len < 0) {
- printf("%s(): bogus length %x\n", __FUNCTION__, len);
- return(1);
- }
-
- if (wait_for_bus()) {return(1);}
-
- /* Start address phase */
- tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX | I2C_CON_STP;
- REG(I2C_CNT) = (alen == 0) ? len & 0xffff : (len & 0xffff) + alen;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = tmp;
-
- switch (alen) {
- case 2:
- /* Send address MSByte */
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
-
- CHECK_NACK();
-
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = (addr >> 8) & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
- /* No break, fall through */
- case 1:
- /* Send address LSByte */
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
-
- CHECK_NACK();
-
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = addr & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
- }
-
- for (i = 0; i < len; i++) {
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
-
- CHECK_NACK();
-
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = buf[i];
- } else {
- return(1);
- }
- }
-
- tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK);
-
- CHECK_NACK();
-
- if (!(tmp & I2C_STAT_SCD)) {
- REG(I2C_CON) = 0;
- return(1);
- }
-
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CNT) = 0;
- REG(I2C_CON) = 0;
-
- return(0);
-}
-
-#endif /* CONFIG_DRIVER_DAVINCI_I2C */
diff --git a/cpu/arm926ejs/davinci/nand.c b/cpu/arm926ejs/davinci/nand.c
deleted file mode 100644
index 014e2b0c113..00000000000
--- a/cpu/arm926ejs/davinci/nand.c
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
- * NAND driver for TI DaVinci based boards.
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * Based on Linux DaVinci NAND driver by TI. Original copyright follows:
- */
-
-/*
- *
- * linux/drivers/mtd/nand/nand_davinci.c
- *
- * NAND Flash Driver
- *
- * Copyright (C) 2006 Texas Instruments.
- *
- * ----------------------------------------------------------------------------
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- * ----------------------------------------------------------------------------
- *
- * Overview:
- * This is a device driver for the NAND flash device found on the
- * DaVinci board which utilizes the Samsung k9k2g08 part.
- *
- Modifications:
- ver. 1.0: Feb 2005, Vinod/Sudhakar
- -
- *
- */
-
-#include <common.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_SYS_USE_NAND
-#if !defined(CONFIG_NAND_LEGACY)
-
-#include <nand.h>
-#include <asm/arch/nand_defs.h>
-#include <asm/arch/emif_defs.h>
-
-extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
-
-static void nand_davinci_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- struct nand_chip *this = mtd->priv;
- u_int32_t IO_ADDR_W = (u_int32_t)this->IO_ADDR_W;
-
- IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
-
- if (ctrl & NAND_CTRL_CHANGE) {
- if ( ctrl & NAND_CLE )
- IO_ADDR_W |= MASK_CLE;
- if ( ctrl & NAND_ALE )
- IO_ADDR_W |= MASK_ALE;
- this->IO_ADDR_W = (void __iomem *) IO_ADDR_W;
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->IO_ADDR_W);
-}
-
-/* Set WP on deselect, write enable on select */
-static void nand_davinci_select_chip(struct mtd_info *mtd, int chip)
-{
-#define GPIO_SET_DATA01 0x01c67018
-#define GPIO_CLR_DATA01 0x01c6701c
-#define GPIO_NAND_WP (1 << 4)
-#ifdef SONATA_BOARD_GPIOWP
- if (chip < 0) {
- REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
- } else {
- REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
- }
-#endif
-}
-
-#ifdef CONFIG_SYS_NAND_HW_ECC
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
-/* Linux-compatible ECC uses MTD defaults. */
-/* These layouts are not compatible with Linux or RBL/UBL. */
-#ifdef CONFIG_SYS_NAND_LARGEPAGE
-static struct nand_ecclayout davinci_nand_ecclayout = {
- .eccbytes = 12,
- .eccpos = {8, 9, 10, 24, 25, 26, 40, 41, 42, 56, 57, 58},
- .oobfree = {
- {.offset = 2, .length = 6},
- {.offset = 12, .length = 12},
- {.offset = 28, .length = 12},
- {.offset = 44, .length = 12},
- {.offset = 60, .length = 4}
- }
-};
-#elif defined(CONFIG_SYS_NAND_SMALLPAGE)
-static struct nand_ecclayout davinci_nand_ecclayout = {
- .eccbytes = 3,
- .eccpos = {0, 1, 2},
- .oobfree = {
- {.offset = 6, .length = 2},
- {.offset = 8, .length = 8}
- }
-};
-#else
-#error "Either CONFIG_SYS_NAND_LARGEPAGE or CONFIG_SYS_NAND_SMALLPAGE must be defined!"
-#endif
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
-
-static void nand_davinci_enable_hwecc(struct mtd_info *mtd, int mode)
-{
- emifregs emif_addr;
- int dummy;
-
- emif_addr = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- dummy = emif_addr->NANDF1ECC;
- dummy = emif_addr->NANDF2ECC;
- dummy = emif_addr->NANDF3ECC;
- dummy = emif_addr->NANDF4ECC;
-
- emif_addr->NANDFCR |= (1 << 8);
-}
-
-static u_int32_t nand_davinci_readecc(struct mtd_info *mtd, u_int32_t region)
-{
- u_int32_t ecc = 0;
- emifregs emif_base_addr;
-
- emif_base_addr = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- if (region == 1)
- ecc = emif_base_addr->NANDF1ECC;
- else if (region == 2)
- ecc = emif_base_addr->NANDF2ECC;
- else if (region == 3)
- ecc = emif_base_addr->NANDF3ECC;
- else if (region == 4)
- ecc = emif_base_addr->NANDF4ECC;
-
- return(ecc);
-}
-
-static int nand_davinci_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
-{
- u_int32_t tmp;
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
- /*
- * This is not how you should read ECCs on large page Davinci devices.
- * The region parameter gets you ECCs for flash chips on different chip
- * selects, not the 4x512 byte pages in a 2048 byte page.
- *
- * Preserved for backwards compatibility though.
- */
-
- int region, n;
- struct nand_chip *this = mtd->priv;
-
- n = (this->ecc.size/512);
-
- region = 1;
- while (n--) {
- tmp = nand_davinci_readecc(mtd, region);
- *ecc_code++ = tmp;
- *ecc_code++ = tmp >> 16;
- *ecc_code++ = ((tmp >> 8) & 0x0f) | ((tmp >> 20) & 0xf0);
- region++;
- }
-#else
- const int region = 1;
-
- tmp = nand_davinci_readecc(mtd, region);
-
- /* Squeeze 4 bytes ECC into 3 bytes by removing RESERVED bits
- * and shifting. RESERVED bits are 31 to 28 and 15 to 12. */
- tmp = (tmp & 0x00000fff) | ((tmp & 0x0fff0000) >> 4);
-
- /* Invert so that erased block ECC is correct */
- tmp = ~tmp;
-
- *ecc_code++ = tmp;
- *ecc_code++ = tmp >> 8;
- *ecc_code++ = tmp >> 16;
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
- return(0);
-}
-
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
-static void nand_davinci_gen_true_ecc(u_int8_t *ecc_buf)
-{
- u_int32_t tmp = ecc_buf[0] | (ecc_buf[1] << 16) | ((ecc_buf[2] & 0xf0) << 20) | ((ecc_buf[2] & 0x0f) << 8);
-
- ecc_buf[0] = ~(P64o(tmp) | P64e(tmp) | P32o(tmp) | P32e(tmp) | P16o(tmp) | P16e(tmp) | P8o(tmp) | P8e(tmp));
- ecc_buf[1] = ~(P1024o(tmp) | P1024e(tmp) | P512o(tmp) | P512e(tmp) | P256o(tmp) | P256e(tmp) | P128o(tmp) | P128e(tmp));
- ecc_buf[2] = ~( P4o(tmp) | P4e(tmp) | P2o(tmp) | P2e(tmp) | P1o(tmp) | P1e(tmp) | P2048o(tmp) | P2048e(tmp));
-}
-
-static int nand_davinci_compare_ecc(u_int8_t *ecc_nand, u_int8_t *ecc_calc, u_int8_t *page_data)
-{
- u_int32_t i;
- u_int8_t tmp0_bit[8], tmp1_bit[8], tmp2_bit[8];
- u_int8_t comp0_bit[8], comp1_bit[8], comp2_bit[8];
- u_int8_t ecc_bit[24];
- u_int8_t ecc_sum = 0;
- u_int8_t find_bit = 0;
- u_int32_t find_byte = 0;
- int is_ecc_ff;
-
- is_ecc_ff = ((*ecc_nand == 0xff) && (*(ecc_nand + 1) == 0xff) && (*(ecc_nand + 2) == 0xff));
-
- nand_davinci_gen_true_ecc(ecc_nand);
- nand_davinci_gen_true_ecc(ecc_calc);
-
- for (i = 0; i <= 2; i++) {
- *(ecc_nand + i) = ~(*(ecc_nand + i));
- *(ecc_calc + i) = ~(*(ecc_calc + i));
- }
-
- for (i = 0; i < 8; i++) {
- tmp0_bit[i] = *ecc_nand % 2;
- *ecc_nand = *ecc_nand / 2;
- }
-
- for (i = 0; i < 8; i++) {
- tmp1_bit[i] = *(ecc_nand + 1) % 2;
- *(ecc_nand + 1) = *(ecc_nand + 1) / 2;
- }
-
- for (i = 0; i < 8; i++) {
- tmp2_bit[i] = *(ecc_nand + 2) % 2;
- *(ecc_nand + 2) = *(ecc_nand + 2) / 2;
- }
-
- for (i = 0; i < 8; i++) {
- comp0_bit[i] = *ecc_calc % 2;
- *ecc_calc = *ecc_calc / 2;
- }
-
- for (i = 0; i < 8; i++) {
- comp1_bit[i] = *(ecc_calc + 1) % 2;
- *(ecc_calc + 1) = *(ecc_calc + 1) / 2;
- }
-
- for (i = 0; i < 8; i++) {
- comp2_bit[i] = *(ecc_calc + 2) % 2;
- *(ecc_calc + 2) = *(ecc_calc + 2) / 2;
- }
-
- for (i = 0; i< 6; i++)
- ecc_bit[i] = tmp2_bit[i + 2] ^ comp2_bit[i + 2];
-
- for (i = 0; i < 8; i++)
- ecc_bit[i + 6] = tmp0_bit[i] ^ comp0_bit[i];
-
- for (i = 0; i < 8; i++)
- ecc_bit[i + 14] = tmp1_bit[i] ^ comp1_bit[i];
-
- ecc_bit[22] = tmp2_bit[0] ^ comp2_bit[0];
- ecc_bit[23] = tmp2_bit[1] ^ comp2_bit[1];
-
- for (i = 0; i < 24; i++)
- ecc_sum += ecc_bit[i];
-
- switch (ecc_sum) {
- case 0:
- /* Not reached because this function is not called if
- ECC values are equal */
- return 0;
- case 1:
- /* Uncorrectable error */
- MTDDEBUG (MTD_DEBUG_LEVEL0,
- "ECC UNCORRECTED_ERROR 1\n");
- return(-1);
- case 12:
- /* Correctable error */
- find_byte = (ecc_bit[23] << 8) +
- (ecc_bit[21] << 7) +
- (ecc_bit[19] << 6) +
- (ecc_bit[17] << 5) +
- (ecc_bit[15] << 4) +
- (ecc_bit[13] << 3) +
- (ecc_bit[11] << 2) +
- (ecc_bit[9] << 1) +
- ecc_bit[7];
-
- find_bit = (ecc_bit[5] << 2) + (ecc_bit[3] << 1) + ecc_bit[1];
-
- MTDDEBUG (MTD_DEBUG_LEVEL0, "Correcting single bit ECC "
- "error at offset: %d, bit: %d\n",
- find_byte, find_bit);
-
- page_data[find_byte] ^= (1 << find_bit);
-
- return(0);
- default:
- if (is_ecc_ff) {
- if (ecc_calc[0] == 0 && ecc_calc[1] == 0 && ecc_calc[2] == 0)
- return(0);
- }
- MTDDEBUG (MTD_DEBUG_LEVEL0,
- "UNCORRECTED_ERROR default\n");
- return(-1);
- }
-}
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
-
-static int nand_davinci_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
-{
- struct nand_chip *this = mtd->priv;
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
- int block_count = 0, i, rc;
-
- block_count = (this->ecc.size/512);
- for (i = 0; i < block_count; i++) {
- if (memcmp(read_ecc, calc_ecc, 3) != 0) {
- rc = nand_davinci_compare_ecc(read_ecc, calc_ecc, dat);
- if (rc < 0) {
- return(rc);
- }
- }
- read_ecc += 3;
- calc_ecc += 3;
- dat += 512;
- }
-#else
- u_int32_t ecc_nand = read_ecc[0] | (read_ecc[1] << 8) |
- (read_ecc[2] << 16);
- u_int32_t ecc_calc = calc_ecc[0] | (calc_ecc[1] << 8) |
- (calc_ecc[2] << 16);
- u_int32_t diff = ecc_calc ^ ecc_nand;
-
- if (diff) {
- if ((((diff >> 12) ^ diff) & 0xfff) == 0xfff) {
- /* Correctable error */
- if ((diff >> (12 + 3)) < this->ecc.size) {
- uint8_t find_bit = 1 << ((diff >> 12) & 7);
- uint32_t find_byte = diff >> (12 + 3);
-
- dat[find_byte] ^= find_bit;
- MTDDEBUG(MTD_DEBUG_LEVEL0, "Correcting single "
- "bit ECC error at offset: %d, bit: "
- "%d\n", find_byte, find_bit);
- return 1;
- } else {
- return -1;
- }
- } else if (!(diff & (diff - 1))) {
- /* Single bit ECC error in the ECC itself,
- nothing to fix */
- MTDDEBUG(MTD_DEBUG_LEVEL0, "Single bit ECC error in "
- "ECC.\n");
- return 1;
- } else {
- /* Uncorrectable error */
- MTDDEBUG(MTD_DEBUG_LEVEL0, "ECC UNCORRECTED_ERROR 1\n");
- return -1;
- }
- }
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
- return(0);
-}
-#endif /* CONFIG_SYS_NAND_HW_ECC */
-
-static int nand_davinci_dev_ready(struct mtd_info *mtd)
-{
- emifregs emif_addr;
-
- emif_addr = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- return(emif_addr->NANDFSR & 0x1);
-}
-
-static int nand_davinci_waitfunc(struct mtd_info *mtd, struct nand_chip *this)
-{
- while(!nand_davinci_dev_ready(mtd)) {;}
- *NAND_CE0CLE = NAND_STATUS;
- return(*NAND_CE0DATA);
-}
-
-static void nand_flash_init(void)
-{
- u_int32_t acfg1 = 0x3ffffffc;
- u_int32_t acfg2 = 0x3ffffffc;
- u_int32_t acfg3 = 0x3ffffffc;
- u_int32_t acfg4 = 0x3ffffffc;
- emifregs emif_regs;
-
- /*------------------------------------------------------------------*
- * NAND FLASH CHIP TIMEOUT @ 459 MHz *
- * *
- * AEMIF.CLK freq = PLL1/6 = 459/6 = 76.5 MHz *
- * AEMIF.CLK period = 1/76.5 MHz = 13.1 ns *
- * *
- *------------------------------------------------------------------*/
- acfg1 = 0
- | (0 << 31 ) /* selectStrobe */
- | (0 << 30 ) /* extWait */
- | (1 << 26 ) /* writeSetup 10 ns */
- | (3 << 20 ) /* writeStrobe 40 ns */
- | (1 << 17 ) /* writeHold 10 ns */
- | (1 << 13 ) /* readSetup 10 ns */
- | (5 << 7 ) /* readStrobe 60 ns */
- | (1 << 4 ) /* readHold 10 ns */
- | (3 << 2 ) /* turnAround ?? ns */
- | (0 << 0 ) /* asyncSize 8-bit bus */
- ;
-
- emif_regs = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- emif_regs->AWCCR |= 0x10000000;
- emif_regs->AB1CR = acfg1; /* 0x08244128 */;
- emif_regs->AB2CR = acfg2;
- emif_regs->AB3CR = acfg3;
- emif_regs->AB4CR = acfg4;
- emif_regs->NANDFCR = 0x00000101;
-}
-
-int board_nand_init(struct nand_chip *nand)
-{
- nand->IO_ADDR_R = (void __iomem *)NAND_CE0DATA;
- nand->IO_ADDR_W = (void __iomem *)NAND_CE0DATA;
- nand->chip_delay = 0;
- nand->select_chip = nand_davinci_select_chip;
-#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
- nand->options = NAND_USE_FLASH_BBT;
-#endif
-#ifdef CONFIG_SYS_NAND_HW_ECC
- nand->ecc.mode = NAND_ECC_HW;
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
- nand->ecc.layout = &davinci_nand_ecclayout;
-#ifdef CONFIG_SYS_NAND_LARGEPAGE
- nand->ecc.size = 2048;
- nand->ecc.bytes = 12;
-#elif defined(CONFIG_SYS_NAND_SMALLPAGE)
- nand->ecc.size = 512;
- nand->ecc.bytes = 3;
-#else
-#error "Either CONFIG_SYS_NAND_LARGEPAGE or CONFIG_SYS_NAND_SMALLPAGE must be defined!"
-#endif
-#else
- nand->ecc.size = 512;
- nand->ecc.bytes = 3;
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
- nand->ecc.calculate = nand_davinci_calculate_ecc;
- nand->ecc.correct = nand_davinci_correct_data;
- nand->ecc.hwctl = nand_davinci_enable_hwecc;
-#else
- nand->ecc.mode = NAND_ECC_SOFT;
-#endif /* CONFIG_SYS_NAND_HW_ECC */
-
- /* Set address of hardware control function */
- nand->cmd_ctrl = nand_davinci_hwcontrol;
-
- nand->dev_ready = nand_davinci_dev_ready;
- nand->waitfunc = nand_davinci_waitfunc;
-
- nand_flash_init();
-
- return(0);
-}
-
-#else
-#error "U-Boot legacy NAND support not available for DaVinci chips"
-#endif
-#endif /* CONFIG_SYS_USE_NAND */
diff --git a/cpu/arm926ejs/omap/timer.c b/cpu/arm926ejs/omap/timer.c
index 49e74abb3b3..bedc2e75442 100644
--- a/cpu/arm926ejs/omap/timer.c
+++ b/cpu/arm926ejs/omap/timer.c
@@ -52,7 +52,7 @@ int timer_init (void)
/* Start the decrementer ticking down from 0xffffffff */
*((int32_t *) (CONFIG_SYS_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL;
- val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CONFIG_SYS_PVT << MPUTIM_PTV_BIT);
+ val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CONFIG_SYS_PTV << MPUTIM_PTV_BIT);
*((int32_t *) (CONFIG_SYS_TIMERBASE + CNTL_TIMER)) = val;
/* init the timestamp and lastdec value */
diff --git a/cpu/arm_cortexa8/omap3/interrupts.c b/cpu/arm_cortexa8/omap3/interrupts.c
index 9e9817de64d..5d9c4e32c2e 100644
--- a/cpu/arm_cortexa8/omap3/interrupts.c
+++ b/cpu/arm_cortexa8/omap3/interrupts.c
@@ -175,7 +175,7 @@ int interrupt_init(void)
/* start the counter ticking up, reload value on overflow */
writel(TIMER_LOAD_VAL, &timer_base->tldr);
/* enable timer */
- writel((CONFIG_SYS_PVT << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
+ writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
&timer_base->tclr);
reset_timer_masked(); /* init the timestamp and lastinc value */
diff --git a/cpu/s3c44b0/Makefile b/cpu/s3c44b0/Makefile
index 790faebd397..ae909a699f6 100644
--- a/cpu/s3c44b0/Makefile
+++ b/cpu/s3c44b0/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = serial.o interrupts.o cpu.o
+COBJS = cache.o cpu.o interrupts.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/s3c44b0/cache.c b/cpu/s3c44b0/cache.c
new file mode 100644
index 00000000000..bc101715150
--- /dev/null
+++ b/cpu/s3c44b0/cache.c
@@ -0,0 +1,91 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * 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 <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/cpu/s3c44b0/cpu.c b/cpu/s3c44b0/cpu.c
index 2960f2f3af9..e4cdb823b4a 100644
--- a/cpu/s3c44b0/cpu.c
+++ b/cpu/s3c44b0/cpu.c
@@ -32,17 +32,6 @@
#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;
- }
-}
-
-
int cpu_init (void)
{
icache_enable();
@@ -92,422 +81,3 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/*NOTREACHED*/
return (0);
}
-
-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();
-}
-
-/*
- RTC stuff
-*/
-#include <rtc.h>
-#ifndef BCD2HEX
- #define BCD2HEX(n) ((n>>4)*10+(n&0x0f))
-#endif
-#ifndef HEX2BCD
- #define HEX2BCD(x) ((((x) / 10) << 4) + (x) % 10)
-#endif
-
-int rtc_get (struct rtc_time* tm)
-{
- RTCCON |= 1;
- tm->tm_year = BCD2HEX(BCDYEAR);
- tm->tm_mon = BCD2HEX(BCDMON);
- tm->tm_wday = BCD2HEX(BCDDATE);
- tm->tm_mday = BCD2HEX(BCDDAY);
- tm->tm_hour = BCD2HEX(BCDHOUR);
- tm->tm_min = BCD2HEX(BCDMIN);
- tm->tm_sec = BCD2HEX(BCDSEC);
-
- if (tm->tm_sec==0) {
- /* we have to re-read the rtc data because of the "one second deviation" problem */
- /* see RTC datasheet for more info about it */
- tm->tm_year = BCD2HEX(BCDYEAR);
- tm->tm_mon = BCD2HEX(BCDMON);
- tm->tm_mday = BCD2HEX(BCDDAY);
- tm->tm_wday = BCD2HEX(BCDDATE);
- tm->tm_hour = BCD2HEX(BCDHOUR);
- tm->tm_min = BCD2HEX(BCDMIN);
- tm->tm_sec = BCD2HEX(BCDSEC);
- }
-
- RTCCON &= ~1;
-
- if(tm->tm_year >= 70)
- tm->tm_year += 1900;
- else
- tm->tm_year += 2000;
-
- return 0;
-}
-
-int rtc_set (struct rtc_time* tm)
-{
- if(tm->tm_year < 2000)
- tm->tm_year -= 1900;
- else
- tm->tm_year -= 2000;
-
- RTCCON |= 1;
- BCDYEAR = HEX2BCD(tm->tm_year);
- BCDMON = HEX2BCD(tm->tm_mon);
- BCDDAY = HEX2BCD(tm->tm_mday);
- BCDDATE = HEX2BCD(tm->tm_wday);
- BCDHOUR = HEX2BCD(tm->tm_hour);
- BCDMIN = HEX2BCD(tm->tm_min);
- BCDSEC = HEX2BCD(tm->tm_sec);
- RTCCON &= 1;
-
- return 0;
-}
-
-void rtc_reset (void)
-{
- RTCCON |= 1;
- BCDYEAR = 0;
- BCDMON = 0;
- BCDDAY = 0;
- BCDDATE = 0;
- BCDHOUR = 0;
- BCDMIN = 0;
- BCDSEC = 0;
- RTCCON &= 1;
-}
-
-
-/*
- I2C stuff
-*/
-
-/*
- * Initialization, must be called once on start up, may be called
- * repeatedly to change the speed and slave addresses.
- */
-void i2c_init(int speed, int slaveaddr)
-{
- /*
- setting up I2C support
- */
- unsigned int save_F,save_PF,rIICCON,rPCONA,rPDATA,rPCONF,rPUPF;
-
- save_F = PCONF;
- save_PF = PUPF;
-
- rPCONF = ((save_F & ~(0xF))| 0xa);
- rPUPF = (save_PF | 0x3);
- PCONF = rPCONF; /*PF0:IICSCL, PF1:IICSDA*/
- PUPF = rPUPF; /* Disable pull-up */
-
- /* Configuring pin for WC pin of EEprom */
- rPCONA = PCONA;
- rPCONA &= ~(1<<9);
- PCONA = rPCONA;
-
- rPDATA = PDATA;
- rPDATA &= ~(1<<9);
- PDATA = rPDATA;
-
- /*
- Enable ACK, IICCLK=MCLK/16, enable interrupt
- 75MHz/16/(12+1) = 390625 Hz
- */
- rIICCON=(1<<7)|(0<<6)|(1<<5)|(0xC);
- IICCON = rIICCON;
-
- IICADD = slaveaddr;
-}
-
-/*
- * Probe the given I2C chip address. Returns 0 if a chip responded,
- * not 0 on failure.
- */
-int i2c_probe(uchar chip)
-{
- /*
- not implemented
- */
-
- printf("i2c_probe chip %d\n", (int) chip);
- return -1;
-}
-
-/*
- * Read/Write interface:
- * chip: I2C chip address, range 0..127
- * addr: Memory (register) address within the chip
- * alen: Number of bytes to use for addr (typically 1, 2 for larger
- * memories, 0 for register type devices with only one
- * register)
- * buffer: Where to read/write the data
- * len: How many bytes to read/write
- *
- * Returns: 0 on success, not 0 on failure
- */
-
-#define S3C44B0X_rIIC_INTPEND (1<<4)
-#define S3C44B0X_rIIC_LAST_RECEIV_BIT (1<<0)
-#define S3C44B0X_rIIC_INTERRUPT_ENABLE (1<<5)
-#define S3C44B0_IIC_TIMEOUT 100
-
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-
- int k, j, temp;
- u32 rIICSTAT;
-
- /*
- send the device offset
- */
-
- rIICSTAT = 0xD0;
- IICSTAT = rIICSTAT;
-
- IICDS = chip; /* this is a write operation... */
-
- rIICSTAT |= (1<<5);
- IICSTAT = rIICSTAT;
-
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- /* wait and check ACK */
- temp = IICSTAT;
- if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
- return -1;
-
- IICDS = addr;
- IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
- /* wait and check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- temp = IICSTAT;
- if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
- return -1;
-
- /*
- now we can start with the read operation...
- */
-
- IICDS = chip | 0x01; /* this is a read operation... */
-
- rIICSTAT = 0x90; /*master recv*/
- rIICSTAT |= (1<<5);
- IICSTAT = rIICSTAT;
-
- IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
- /* wait and check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- temp = IICSTAT;
- if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
- return -1;
-
- for (j=0; j<len-1; j++) {
-
- /*clear pending bit to resume */
-
- temp = IICCON & ~(S3C44B0X_rIIC_INTPEND);
- IICCON = temp;
-
- /* wait and check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
-
- buffer[j] = IICDS; /*save readed data*/
-
- } /*end for(j)*/
-
- /*
- reading the last data
- unset ACK generation
- */
- temp = IICCON & ~(S3C44B0X_rIIC_INTPEND | (1<<7));
- IICCON = temp;
-
- /* wait but NOT check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- buffer[j] = IICDS; /*save readed data*/
-
- rIICSTAT = 0x90; /*master recv*/
-
- /* Write operation Terminate sending STOP */
- IICSTAT = rIICSTAT;
- /*Clear Int Pending Bit to RESUME*/
- temp = IICCON;
- IICCON = temp & (~S3C44B0X_rIIC_INTPEND);
-
- IICCON = IICCON | (1<<7); /*restore ACK generation*/
-
- return 0;
-}
-
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- int j, k;
- u32 rIICSTAT, temp;
-
-
- /*
- send the device offset
- */
-
- rIICSTAT = 0xD0;
- IICSTAT = rIICSTAT;
-
- IICDS = chip; /* this is a write operation... */
-
- rIICSTAT |= (1<<5);
- IICSTAT = rIICSTAT;
-
- IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
- /* wait and check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- temp = IICSTAT;
- if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
- return -1;
-
- IICDS = addr;
- IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
- /* wait and check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
- udelay(2000);
- }
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- temp = IICSTAT;
- if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
- return -1;
-
- /*
- now we can start with the read write operation
- */
- for (j=0; j<len; j++) {
-
- IICDS = buffer[j]; /*prerare data to write*/
-
- /*clear pending bit to resume*/
-
- temp = IICCON & ~(S3C44B0X_rIIC_INTPEND);
- IICCON = temp;
-
- /* wait but NOT check ACK */
- for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
- temp = IICCON;
- if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
- break;
-
- udelay(2000);
- }
-
- if (k==S3C44B0_IIC_TIMEOUT)
- return -1;
-
- } /* end for(j) */
-
- /* sending stop to terminate */
- rIICSTAT = 0xD0; /*master send*/
- IICSTAT = rIICSTAT;
- /*Clear Int Pending Bit to RESUME*/
- temp = IICCON;
- IICCON = temp & (~S3C44B0X_rIIC_INTPEND);
-
- return 0;
-}
diff --git a/cpu/s3c44b0/serial.c b/cpu/s3c44b0/serial.c
deleted file mode 100644
index 95d0266c6c6..00000000000
--- a/cpu/s3c44b0/serial.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * (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
- *
- */
-
-#include <common.h>
-#include <asm/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* 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(UTRSTAT0&0x01) {
- tmp = REGB(URXH0);
- }
-
- 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(!(UTRSTAT0 & 0x02)) {
- }
-
- return 0;
-}
-
-
-void serial_setbrg (void)
-{
- u32 divisor = 0;
-
- /* get correct divisor */
- switch(gd->baudrate) {
-
- case 1200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- divisor = 3124;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- divisor = 3905;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
- break;
-
- case 9600:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- divisor = 390;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- divisor = 487;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
- break;
-
- case 19200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- divisor = 194;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- divisor = 243;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
- break;
-
- case 38400:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- divisor = 97;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- divisor = 121;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif /* break; */
-
- case 57600:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- divisor = 64;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- divisor = 80;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif /* break; */
-
- case 115200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- divisor = 32;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- divisor = 40;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif /* break; */
- }
-
- serial_flush_output();
- serial_flush_input();
- UFCON0 = 0x0;
- ULCON0 = 0x03;
- UCON0 = 0x05;
- UBRDIV0 = divisor;
-
- UFCON1 = 0x0;
- ULCON1 = 0x03;
- UCON1 = 0x05;
- UBRDIV1 = divisor;
-
- for(divisor=0; divisor<100; divisor++) {
- /* NOP */
- }
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
- serial_setbrg ();
-
- return (0);
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
- /* wait for room in the transmit FIFO */
- while(!(UTRSTAT0 & 0x02));
-
- UTXH0 = (unsigned char)c;
-
- /*
- to be polite with serial console add a line feed
- to the carriage return character
- */
- if (c=='\n')
- serial_putc('\r');
-}
-
-/*
- * 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.
- */
-int serial_tstc (void)
-{
- return (UTRSTAT0 & 0x01);
-}
-
-/*
- * 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.
- */
-int serial_getc (void)
-{
- int rv;
-
- for(;;) {
- rv = serial_tstc();
-
- if(rv > 0)
- return URXH0;
- }
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
diff --git a/cpu/sa1100/Makefile b/cpu/sa1100/Makefile
index 790faebd397..fd696f7efb1 100644
--- a/cpu/sa1100/Makefile
+++ b/cpu/sa1100/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = serial.o interrupts.o cpu.o
+COBJS = interrupts.o cpu.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/sa1100/serial.c b/cpu/sa1100/serial.c
deleted file mode 100644
index 5d1887580d7..00000000000
--- a/cpu/sa1100/serial.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * (C) Copyright 2002
- * 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
- *
- */
-
-#include <common.h>
-#include <SA-1100.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void serial_setbrg (void)
-{
- unsigned int reg = 0;
-
- if (gd->baudrate == 1200)
- reg = 191;
- else if (gd->baudrate == 9600)
- reg = 23;
- else if (gd->baudrate == 19200)
- reg = 11;
- else if (gd->baudrate == 38400)
- reg = 5;
- else if (gd->baudrate == 57600)
- reg = 3;
- else if (gd->baudrate == 115200)
- reg = 1;
- else
- hang ();
-
-#ifdef CONFIG_SERIAL1
- /* SA1110 uart function */
- Ser1SDCR0 |= SDCR0_SUS;
-
- /* Wait until port is ready ... */
- while(Ser1UTSR1 & UTSR1_TBY) {}
-
- /* init serial serial 1 */
- Ser1UTCR3 = 0x00;
- Ser1UTSR0 = 0xff;
- Ser1UTCR0 = ( UTCR0_1StpBit | UTCR0_8BitData );
- Ser1UTCR1 = 0;
- Ser1UTCR2 = (u32)reg;
- Ser1UTCR3 = ( UTCR3_RXE | UTCR3_TXE );
-#elif defined(CONFIG_SERIAL3)
- /* Wait until port is ready ... */
- while (Ser3UTSR1 & UTSR1_TBY) {
- }
-
- /* init serial serial 3 */
- Ser3UTCR3 = 0x00;
- Ser3UTSR0 = 0xff;
- Ser3UTCR0 = (UTCR0_1StpBit | UTCR0_8BitData);
- Ser3UTCR1 = 0;
- Ser3UTCR2 = (u32) reg;
- Ser3UTCR3 = (UTCR3_RXE | UTCR3_TXE);
-#else
-#error "Bad: you didn't configured serial ..."
-#endif
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
- serial_setbrg ();
-
- return (0);
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
-#ifdef CONFIG_SERIAL1
- /* wait for room in the tx FIFO on SERIAL1 */
- while ((Ser1UTSR0 & UTSR0_TFS) == 0);
-
- Ser1UTDR = c;
-#elif defined(CONFIG_SERIAL3)
- /* wait for room in the tx FIFO on SERIAL3 */
- while ((Ser3UTSR0 & UTSR0_TFS) == 0);
-
- Ser3UTDR = c;
-#endif
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-}
-
-/*
- * 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.
- */
-int serial_tstc (void)
-{
-#ifdef CONFIG_SERIAL1
- return Ser1UTSR1 & UTSR1_RNE;
-#elif defined(CONFIG_SERIAL3)
- return Ser3UTSR1 & UTSR1_RNE;
-#endif
-}
-
-/*
- * 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.
- */
-int serial_getc (void)
-{
-#ifdef CONFIG_SERIAL1
- while (!(Ser1UTSR1 & UTSR1_RNE));
-
- return (char) Ser1UTDR & 0xff;
-#elif defined(CONFIG_SERIAL3)
- while (!(Ser3UTSR1 & UTSR1_RNE));
-
- return (char) Ser3UTDR & 0xff;
-#endif
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}