sparc: Move cpu/leon[23] to arch/sparc/cpu/leon[23]

[u-boot] / cpu / leon3 / serial.c

diff --git a/cpu/leon3/serial.c b/cpu/leon3/serial.c
deleted file mode 100644 (file)
index 4b2fcb8..0000000
--- a/cpu/leon3/serial.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/* GRLIB APBUART Serial controller driver
- *
- * (C) Copyright 2007
- * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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
- *
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/leon.h>
-#include <ambapp.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* Force cache miss each time a serial controller reg is read */
-#define CACHE_BYPASS 1
-
-#ifdef CACHE_BYPASS
-#define READ_BYTE(var)  SPARC_NOCACHE_READ_BYTE((unsigned int)&(var))
-#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)&(var))
-#define READ_WORD(var)  SPARC_NOCACHE_READ((unsigned int)&(var))
-#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)&(var))
-#endif
-
-ambapp_dev_apbuart *leon3_apbuart = NULL;
-
-int serial_init(void)
-{
-       ambapp_apbdev apbdev;
-       unsigned int tmp;
-
-       /* find UART */
-       if (ambapp_apb_first(VENDOR_GAISLER, GAISLER_APBUART, &apbdev) == 1) {
-
-               leon3_apbuart = (ambapp_dev_apbuart *) apbdev.address;
-
-               /* found apbuart, let's init...
-                *
-                * Set scaler / baud rate
-                *
-                * Receiver & transmitter enable
-                */
-               leon3_apbuart->scaler = CONFIG_SYS_GRLIB_APBUART_SCALER;
-
-               /* Let bit 11 be unchanged (debug bit for GRMON) */
-               tmp = READ_WORD(leon3_apbuart->ctrl);
-
-               leon3_apbuart->ctrl = ((tmp & LEON_REG_UART_CTRL_DBG) |
-                                      LEON_REG_UART_CTRL_RE |
-                                      LEON_REG_UART_CTRL_TE);
-
-               return 0;
-       }
-       return -1;              /* didn't find hardware */
-}
-
-void serial_putc(const char c)
-{
-       if (c == '\n')
-               serial_putc_raw('\r');
-
-       serial_putc_raw(c);
-}
-
-void serial_putc_raw(const char c)
-{
-       if (!leon3_apbuart)
-               return;
-
-       /* Wait for last character to go. */
-       while (!(READ_WORD(leon3_apbuart->status) & LEON_REG_UART_STATUS_THE)) ;
-
-       /* Send data */
-       leon3_apbuart->data = c;
-
-#ifdef LEON_DEBUG
-       /* Wait for data to be sent */
-       while (!(READ_WORD(leon3_apbuart->status) & LEON_REG_UART_STATUS_TSE)) ;
-#endif
-}
-
-void serial_puts(const char *s)
-{
-       while (*s) {
-               serial_putc(*s++);
-       }
-}
-
-int serial_getc(void)
-{
-       if (!leon3_apbuart)
-               return 0;
-
-       /* Wait for a character to arrive. */
-       while (!(READ_WORD(leon3_apbuart->status) & LEON_REG_UART_STATUS_DR)) ;
-
-       /* read data */
-       return READ_WORD(leon3_apbuart->data);
-}
-
-int serial_tstc(void)
-{
-       if (leon3_apbuart)
-               return (READ_WORD(leon3_apbuart->status) &
-                       LEON_REG_UART_STATUS_DR);
-       return 0;
-}
-
-/* set baud rate for uart */
-void serial_setbrg(void)
-{
-       /* update baud rate settings, read it from gd->baudrate */
-       unsigned int scaler;
-       if (leon3_apbuart && (gd->baudrate > 0)) {
-               scaler =
-                   (((CONFIG_SYS_CLK_FREQ * 10) / (gd->baudrate * 8)) -
-                    5) / 10;
-               leon3_apbuart->scaler = scaler;
-       }
-       return;
-}