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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-24 19:33:38 +0100
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-25 23:24:16 +0100
commit1378df792a7ff3abd1bf54a63f5475784f5b083c (patch)
tree8c9ce1c8c10f89a10dd9234e8c1f01a774320351 /drivers/atmel_usart.c
parent2439e4bfa111babf4bc07ba20efbf3e36036813e (diff)
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drivers/serial : move serial drivers to drivers/serial
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/atmel_usart.c')
-rw-r--r--drivers/atmel_usart.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/drivers/atmel_usart.c b/drivers/atmel_usart.c
deleted file mode 100644
index f35b997..0000000
--- a/drivers/atmel_usart.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * 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_ATMEL_USART
-#include <asm/io.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/memory-map.h>
-
-#if defined(CONFIG_USART0)
-# define USART_ID 0
-# define USART_BASE USART0_BASE
-#elif defined(CONFIG_USART1)
-# define USART_ID 1
-# define USART_BASE USART1_BASE
-#elif defined(CONFIG_USART2)
-# define USART_ID 2
-# define USART_BASE USART2_BASE
-#elif defined(CONFIG_USART3)
-# define USART_ID 3
-# define USART_BASE USART3_BASE
-#endif
-
-#include "atmel_usart.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void serial_setbrg(void)
-{
- unsigned long divisor;
- unsigned long usart_hz;
-
- /*
- * Master Clock
- * Baud Rate = --------------
- * 16 * CD
- */
- usart_hz = get_usart_clk_rate(USART_ID);
- divisor = (usart_hz / 16 + gd->baudrate / 2) / gd->baudrate;
- usart3_writel(BRGR, USART3_BF(CD, divisor));
-}
-
-int serial_init(void)
-{
- usart3_writel(CR, USART3_BIT(RSTRX) | USART3_BIT(RSTTX));
-
- serial_setbrg();
-
- usart3_writel(CR, USART3_BIT(RXEN) | USART3_BIT(TXEN));
- usart3_writel(MR, (USART3_BF(USART_MODE, USART3_USART_MODE_NORMAL)
- | USART3_BF(USCLKS, USART3_USCLKS_MCK)
- | USART3_BF(CHRL, USART3_CHRL_8)
- | USART3_BF(PAR, USART3_PAR_NONE)
- | USART3_BF(NBSTOP, USART3_NBSTOP_1)));
-
- return 0;
-}
-
-void serial_putc(char c)
-{
- if (c == '\n')
- serial_putc('\r');
-
- while (!(usart3_readl(CSR) & USART3_BIT(TXRDY))) ;
- usart3_writel(THR, c);
-}
-
-void serial_puts(const char *s)
-{
- while (*s)
- serial_putc(*s++);
-}
-
-int serial_getc(void)
-{
- while (!(usart3_readl(CSR) & USART3_BIT(RXRDY))) ;
- return usart3_readl(RHR);
-}
-
-int serial_tstc(void)
-{
- return (usart3_readl(CSR) & USART3_BIT(RXRDY)) != 0;
-}
-
-#endif /* CONFIG_ATMEL_USART */