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-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
8 files changed, 3 insertions, 1278 deletions
diff --git a/cpu/arm920t/imx/Makefile b/cpu/arm920t/imx/Makefile
index 9207ec1bcb..d3352deb4b 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 85f1167e36..0000000000
--- 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 7db9473524..f6b006300b 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 aacd1be630..0000000000
--- 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 676492025a..3afe19ce9c 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 fba5cd1b5f..0000000000
--- 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 60174fb4d2..0000000000
--- 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 064b99871d..0000000000
--- 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) */
generated by cgit (git 2.34.1) at 2025-01-10 09:03:43 +0000