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authorwdenk <wdenk>2004-03-14 15:06:13 +0000
committerwdenk <wdenk>2004-03-14 15:06:13 +0000
commit3d3befa754fedb320f779320ac0ab11deb0a6275 (patch)
treee017681961bbc93b2145f929fe95c8e2f47a1726 /drivers
parent4d13cbad1c81ad7901151fec381bae8c30f4338a (diff)
downloadu-boot-imx-3d3befa754fedb320f779320ac0ab11deb0a6275.zip
u-boot-imx-3d3befa754fedb320f779320ac0ab11deb0a6275.tar.gz
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* Patch by Philippe Robin, 09 Mar 2004:
Added ARM Integrator AP, CP and Versatile PB926EJ-S Reference Platform support. * Patch by Masami Komiya, 08 Mar 2004: Don't overwrite server IP address or boot file name when the boot server does not return values * Patch by listmember@orkun.us, 5 Mar 2004: Removed compile time restriction on CFG_I2C_SPEED for DS1338 RTC
Diffstat (limited to 'drivers')
-rw-r--r--drivers/Makefile3
-rw-r--r--drivers/serial_pl010.c177
-rw-r--r--drivers/serial_pl011.c175
-rw-r--r--drivers/serial_pl011.h137
-rw-r--r--drivers/smc91111.c20
5 files changed, 499 insertions, 13 deletions
diff --git a/drivers/Makefile b/drivers/Makefile
index 32a6a06..33b9ab4 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -38,7 +38,8 @@ OBJS = 3c589.o 5701rls.o ali512x.o \
pcnet.o plb2800_eth.o \
ps2ser.o ps2mult.o pc_keyb.o keyboard.o \
rtl8019.o rtl8139.o \
- s3c24x0_i2c.o sed13806.o serial.o serial_max3100.o \
+ s3c24x0_i2c.o sed13806.o \
+ serial.o serial_max3100.o serial_pl011.o serial_pl010.o \
smc91111.o smiLynxEM.o status_led.o sym53c8xx.o \
ti_pci1410a.o tigon3.o w83c553f.o omap1510_i2c.o \
usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o
diff --git a/drivers/serial_pl010.c b/drivers/serial_pl010.c
new file mode 100644
index 0000000..01b5f0a
--- /dev/null
+++ b/drivers/serial_pl010.c
@@ -0,0 +1,177 @@
+/*
+ * (C) Copyright 2000
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Simple U-Boot driver for the PrimeCell PL011 UARTs on the IntegratorCP */
+/* Should be fairly simple to make it work with the PL010 as well */
+
+#include <common.h>
+
+#ifdef CFG_PL010_SERIAL
+
+#include "serial_pl011.h"
+
+#define IO_WRITE(addr, val) (*(volatile unsigned int *)(addr) = (val))
+#define IO_READ(addr) (*(volatile unsigned int *)(addr))
+
+/* Integrator AP has two UARTs, we use the first one, at 38400-8-N-1 */
+#define NUM_PORTS 2
+#define CONSOLE_PORT CONFIG_CONS_INDEX
+#define baudRate CONFIG_BAUDRATE
+static volatile unsigned char * const port[NUM_PORTS] = {(void*)(CFG_SERIAL0),
+ (void*)(CFG_SERIAL1)};
+
+
+static void pl010_putc(int portnum, char c);
+static int pl010_getc(int portnum);
+static int pl010_tstc(int portnum);
+
+
+int serial_init (void)
+{
+ unsigned int temp;
+ unsigned int divisor;
+
+ /*
+ ** First, disable everything.
+ */
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL010_CR, 0x0);
+
+ /*
+ ** Set baud rate
+ **
+ */
+ switch (baudRate) {
+ case 9600:
+ divisor = UART_PL010_BAUD_9600;
+ break;
+
+ case 19200:
+ divisor = UART_PL010_BAUD_9600;
+ break;
+
+ case 38400:
+ divisor = UART_PL010_BAUD_38400;
+ break;
+
+ case 57600:
+ divisor = UART_PL010_BAUD_57600;
+ break;
+
+ case 115200:
+ divisor = UART_PL010_BAUD_115200;
+ break;
+
+ default:
+ divisor = UART_PL010_BAUD_38400;
+ }
+
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL010_LCRM, ((divisor & 0xf00) >> 8));
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL010_LCRL, (divisor & 0xff));
+
+ /*
+ ** Set the UART to be 8 bits, 1 stop bit, no parity, fifo enabled.
+ */
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL010_LCRH,
+ (UART_PL010_LCRH_WLEN_8 | UART_PL010_LCRH_FEN));
+
+ /*
+ ** Finally, enable the UART
+ */
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL010_CR, (UART_PL010_CR_UARTEN));
+
+ return (0);
+}
+
+void
+serial_putc(const char c)
+{
+ if (c == '\n')
+ pl010_putc(CONSOLE_PORT, '\r');
+
+ pl010_putc(CONSOLE_PORT, c);
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+int
+serial_getc(void)
+{
+ return pl010_getc(CONSOLE_PORT);
+}
+
+int
+serial_tstc(void)
+{
+ return pl010_tstc(CONSOLE_PORT);
+}
+
+void
+serial_setbrg (void)
+{
+}
+
+static void pl010_putc(int portnum, char c)
+{
+ /* Wait until there is space in the FIFO */
+ while (IO_READ(port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_TXFF);
+
+ /* Send the character */
+ IO_WRITE(port[portnum] + UART_PL01x_DR, c);
+}
+
+static int pl010_getc(int portnum)
+{
+ unsigned int data;
+
+ /* Wait until there is data in the FIFO */
+ while (IO_READ(port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE);
+
+ data = IO_READ(port[portnum] + UART_PL01x_DR);
+
+ /* Check for an error flag */
+ if (data & 0xFFFFFF00)
+ {
+ /* Clear the error */
+ IO_WRITE(port[portnum] + UART_PL01x_ECR, 0xFFFFFFFF);
+ return -1;
+ }
+
+ return (int)data;
+}
+
+static int pl010_tstc(int portnum)
+{
+ return !(IO_READ(port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE);
+}
+
+#endif
diff --git a/drivers/serial_pl011.c b/drivers/serial_pl011.c
new file mode 100644
index 0000000..60fcc91
--- /dev/null
+++ b/drivers/serial_pl011.c
@@ -0,0 +1,175 @@
+/*
+ * (C) Copyright 2000
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Simple U-Boot driver for the PrimeCell PL011 UARTs on the IntegratorCP */
+/* Should be fairly simple to make it work with the PL010 as well */
+
+#include <common.h>
+
+#ifdef CFG_PL011_SERIAL
+
+#include "serial_pl011.h"
+
+#define IO_WRITE(addr, val) (*(volatile unsigned int *)(addr) = (val))
+#define IO_READ(addr) (*(volatile unsigned int *)(addr))
+
+/*
+ * IntegratorCP has two UARTs, use the first one, at 38400-8-N-1
+ * Versatile PB has four UARTs.
+ */
+#define NUM_PORTS 2
+#define CONSOLE_PORT CONFIG_CONS_INDEX
+#define baudRate CONFIG_BAUDRATE
+static volatile unsigned char * const port[NUM_PORTS] = {(void*)(CFG_SERIAL0),
+ (void*)(CFG_SERIAL1)};
+
+
+static void pl011_putc(int portnum, char c);
+static int pl011_getc(int portnum);
+static int pl011_tstc(int portnum);
+
+
+int serial_init (void)
+{
+ unsigned int temp;
+ unsigned int divider;
+ unsigned int remainder;
+ unsigned int fraction;
+
+ /*
+ ** First, disable everything.
+ */
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL011_CR, 0x0);
+
+ /*
+ ** Set baud rate
+ **
+ ** IBRD = UART_CLK / (16 * BAUD_RATE)
+ ** FBRD = ROUND((64 * MOD(UART_CLK,(16 * BAUD_RATE))) / (16 * BAUD_RATE))
+ */
+#ifdef CONFIG_VERSATILE
+ temp = 16 * baudRate;
+ divider = 24000000 / temp;
+ remainder = 24000000 % temp;
+ temp = (8 * remainder) / baudRate;
+ fraction = (temp >> 1) + (temp & 1);
+#endif
+#ifdef CONFIG_INTEGRATOR
+ temp = 16 * baudRate;
+ divider = 14745600 / temp;
+ remainder = 14745600 % temp;
+ temp = (8 * remainder) / baudRate;
+ fraction = (temp >> 1) + (temp & 1);
+#endif
+
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL011_IBRD, divider);
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL011_FBRD, fraction);
+
+ /*
+ ** Set the UART to be 8 bits, 1 stop bit, no parity, fifo enabled.
+ */
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL011_LCRH,
+ (UART_PL011_LCRH_WLEN_8 | UART_PL011_LCRH_FEN));
+
+ /*
+ ** Finally, enable the UART
+ */
+ IO_WRITE(port[CONSOLE_PORT] + UART_PL011_CR,
+ (UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE));
+
+ return (0);
+}
+
+void
+serial_putc(const char c)
+{
+ if (c == '\n')
+ pl011_putc(CONSOLE_PORT, '\r');
+
+ pl011_putc(CONSOLE_PORT, c);
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+int
+serial_getc(void)
+{
+ return pl011_getc(CONSOLE_PORT);
+}
+
+int
+serial_tstc(void)
+{
+ return pl011_tstc(CONSOLE_PORT);
+}
+
+void
+serial_setbrg (void)
+{
+}
+
+static void pl011_putc(int portnum, char c)
+{
+ /* Wait until there is space in the FIFO */
+ while (IO_READ(port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_TXFF);
+
+ /* Send the character */
+ IO_WRITE(port[portnum] + UART_PL01x_DR, c);
+}
+
+static int pl011_getc(int portnum)
+{
+ unsigned int data;
+
+ /* Wait until there is data in the FIFO */
+ while (IO_READ(port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE);
+
+ data = IO_READ(port[portnum] + UART_PL01x_DR);
+
+ /* Check for an error flag */
+ if (data & 0xFFFFFF00)
+ {
+ /* Clear the error */
+ IO_WRITE(port[portnum] + UART_PL01x_ECR, 0xFFFFFFFF);
+ return -1;
+ }
+
+ return (int)data;
+}
+
+static int pl011_tstc(int portnum)
+{
+ return !(IO_READ(port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE);
+}
+
+#endif
diff --git a/drivers/serial_pl011.h b/drivers/serial_pl011.h
new file mode 100644
index 0000000..2117848
--- /dev/null
+++ b/drivers/serial_pl011.h
@@ -0,0 +1,137 @@
+/*
+ * (C) Copyright 2003, 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * ARM PrimeCell UART's (PL010 & PL011)
+ * ------------------------------------
+ *
+ * Definitions common to both PL010 & PL011
+ *
+ */
+#define UART_PL01x_DR 0x00 /* Data read or written from the interface. */
+#define UART_PL01x_RSR 0x04 /* Receive status register (Read). */
+#define UART_PL01x_ECR 0x04 /* Error clear register (Write). */
+#define UART_PL01x_FR 0x18 /* Flag register (Read only). */
+
+#define UART_PL01x_RSR_OE 0x08
+#define UART_PL01x_RSR_BE 0x04
+#define UART_PL01x_RSR_PE 0x02
+#define UART_PL01x_RSR_FE 0x01
+
+#define UART_PL01x_FR_TXFE 0x80
+#define UART_PL01x_FR_RXFF 0x40
+#define UART_PL01x_FR_TXFF 0x20
+#define UART_PL01x_FR_RXFE 0x10
+#define UART_PL01x_FR_BUSY 0x08
+#define UART_PL01x_FR_TMSK (UART_PL01x_FR_TXFF + UART_PL01x_FR_BUSY)
+
+/*
+ * PL010 definitions
+ *
+ */
+#define UART_PL010_LCRH 0x08 /* Line control register, high byte. */
+#define UART_PL010_LCRM 0x0C /* Line control register, middle byte. */
+#define UART_PL010_LCRL 0x10 /* Line control register, low byte. */
+#define UART_PL010_CR 0x14 /* Control register. */
+#define UART_PL010_IIR 0x1C /* Interrupt indentification register (Read). */
+#define UART_PL010_ICR 0x1C /* Interrupt clear register (Write). */
+#define UART_PL010_ILPR 0x20 /* IrDA low power counter register. */
+
+#define UART_PL010_CR_LPE (1 << 7)
+#define UART_PL010_CR_RTIE (1 << 6)
+#define UART_PL010_CR_TIE (1 << 5)
+#define UART_PL010_CR_RIE (1 << 4)
+#define UART_PL010_CR_MSIE (1 << 3)
+#define UART_PL010_CR_IIRLP (1 << 2)
+#define UART_PL010_CR_SIREN (1 << 1)
+#define UART_PL010_CR_UARTEN (1 << 0)
+
+#define UART_PL010_LCRH_WLEN_8 (3 << 5)
+#define UART_PL010_LCRH_WLEN_7 (2 << 5)
+#define UART_PL010_LCRH_WLEN_6 (1 << 5)
+#define UART_PL010_LCRH_WLEN_5 (0 << 5)
+#define UART_PL010_LCRH_FEN (1 << 4)
+#define UART_PL010_LCRH_STP2 (1 << 3)
+#define UART_PL010_LCRH_EPS (1 << 2)
+#define UART_PL010_LCRH_PEN (1 << 1)
+#define UART_PL010_LCRH_BRK (1 << 0)
+
+
+#define UART_PL010_BAUD_460800 1
+#define UART_PL010_BAUD_230400 3
+#define UART_PL010_BAUD_115200 7
+#define UART_PL010_BAUD_57600 15
+#define UART_PL010_BAUD_38400 23
+#define UART_PL010_BAUD_19200 47
+#define UART_PL010_BAUD_14400 63
+#define UART_PL010_BAUD_9600 95
+#define UART_PL010_BAUD_4800 191
+#define UART_PL010_BAUD_2400 383
+#define UART_PL010_BAUD_1200 767
+/*
+ * PL011 definitions
+ *
+ */
+#define UART_PL011_IBRD 0x24
+#define UART_PL011_FBRD 0x28
+#define UART_PL011_LCRH 0x2C
+#define UART_PL011_CR 0x30
+#define UART_PL011_IMSC 0x38
+#define UART_PL011_PERIPH_ID0 0xFE0
+
+#define UART_PL011_LCRH_SPS (1 << 7)
+#define UART_PL011_LCRH_WLEN_8 (3 << 5)
+#define UART_PL011_LCRH_WLEN_7 (2 << 5)
+#define UART_PL011_LCRH_WLEN_6 (1 << 5)
+#define UART_PL011_LCRH_WLEN_5 (0 << 5)
+#define UART_PL011_LCRH_FEN (1 << 4)
+#define UART_PL011_LCRH_STP2 (1 << 3)
+#define UART_PL011_LCRH_EPS (1 << 2)
+#define UART_PL011_LCRH_PEN (1 << 1)
+#define UART_PL011_LCRH_BRK (1 << 0)
+
+#define UART_PL011_CR_CTSEN (1 << 15)
+#define UART_PL011_CR_RTSEN (1 << 14)
+#define UART_PL011_CR_OUT2 (1 << 13)
+#define UART_PL011_CR_OUT1 (1 << 12)
+#define UART_PL011_CR_RTS (1 << 11)
+#define UART_PL011_CR_DTR (1 << 10)
+#define UART_PL011_CR_RXE (1 << 9)
+#define UART_PL011_CR_TXE (1 << 8)
+#define UART_PL011_CR_LPE (1 << 7)
+#define UART_PL011_CR_IIRLP (1 << 2)
+#define UART_PL011_CR_SIREN (1 << 1)
+#define UART_PL011_CR_UARTEN (1 << 0)
+
+#define UART_PL011_IMSC_OEIM (1 << 10)
+#define UART_PL011_IMSC_BEIM (1 << 9)
+#define UART_PL011_IMSC_PEIM (1 << 8)
+#define UART_PL011_IMSC_FEIM (1 << 7)
+#define UART_PL011_IMSC_RTIM (1 << 6)
+#define UART_PL011_IMSC_TXIM (1 << 5)
+#define UART_PL011_IMSC_RXIM (1 << 4)
+#define UART_PL011_IMSC_DSRMIM (1 << 3)
+#define UART_PL011_IMSC_DCDMIM (1 << 2)
+#define UART_PL011_IMSC_CTSMIM (1 << 1)
+#define UART_PL011_IMSC_RIMIM (1 << 0)
diff --git a/drivers/smc91111.c b/drivers/smc91111.c
index 6c3a0b7..486c11c 100644
--- a/drivers/smc91111.c
+++ b/drivers/smc91111.c
@@ -1313,7 +1313,6 @@ static void smc_phy_configure ()
#if SMC_DEBUG > 2
static void print_packet( byte * buf, int length )
{
-#if 0
int i;
int remainder;
int lines;
@@ -1345,7 +1344,6 @@ static void print_packet( byte * buf, int length )
}
printf("\n");
#endif
-#endif
}
#endif
@@ -1423,28 +1421,26 @@ int smc_get_ethaddr (bd_t * bd)
}
memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
smc_set_mac_addr (v_mac); /* use old function to update smc default */
+ PRINTK("Using MAC Address %02X:%02X:%02X:%02X:%02X:%02X\n", v_mac[0], v_mac[1],
+ v_mac[2], v_mac[3], v_mac[4], v_mac[5]);
return (0);
}
int get_rom_mac (char *v_rom_mac)
{
- int is_rom_present = 0;
-
#ifdef HARDCODE_MAC /* used for testing or to supress run time warnings */
char hw_mac_addr[] = { 0x02, 0x80, 0xad, 0x20, 0x31, 0xb8 };
memcpy (v_rom_mac, hw_mac_addr, 6);
return (1);
#else
- if (is_rom_present) {
- /* if eeprom contents are valid
- * extract mac address into hw_mac_addr, 8 or 16 bit accesses
- * memcpy (v_rom_mac, hc_mac_addr, 6);
- * return(1);
- */
+ int i;
+ SMC_SELECT_BANK (1);
+ for (i=0; i<6; i++)
+ {
+ v_rom_mac[i] = SMC_inb (ADDR0_REG + i);
}
- memset (v_rom_mac, 0, 6);
- return (0);
+ return (1);
#endif
}
#endif /* CONFIG_DRIVER_SMC91111 */