+++ /dev/null
-/*
- * ADM5120 specific board support for LZMA decompressor
- *
- * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.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 <stddef.h>
-
-#define READREG(r) *(volatile unsigned int *)(r)
-#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
-
-/*
- * INTC definitions
- */
-#define INTC_BASE 0xB2200000
-
-/* INTC registers */
-#define INTC_REG_IRQ_DISABLE 0x0C
-
-/*
- * UART definitions
- */
-#define UART_BASE 0xB2600000
-/* UART registers */
-#define UART_REG_DATA 0x00 /* Data register */
-#define UART_REG_ECR 0x04 /* Error Clear register */
-#define UART_REG_LCRH 0x08 /* Line Control High register */
-#define UART_REG_LCRM 0x0C /* Line Control Middle register */
-#define UART_REG_LCRL 0x10 /* Line Control Low register */
-#define UART_REG_CTRL 0x14 /* Control register */
-#define UART_REG_FLAG 0x18 /* Flag register */
-
-/* Control register bits */
-#define UART_CTRL_EN ( 1 << 0 ) /* UART enable */
-
-/* Line Control High register bits */
-#define UART_LCRH_FEN ( 1 << 4 ) /* FIFO enable */
-
-/* Flag register bits */
-#define UART_FLAG_CTS ( 1 << 0 )
-#define UART_FLAG_DSR ( 1 << 1 )
-#define UART_FLAG_DCD ( 1 << 2 )
-#define UART_FLAG_BUSY ( 1 << 3 )
-#define UART_FLAG_RXFE ( 1 << 4 ) /* RX FIFO empty */
-#define UART_FLAG_TXFF ( 1 << 5 ) /* TX FIFO full */
-#define UART_FLAG_RXFF ( 1 << 6 ) /* RX FIFO full */
-#define UART_FLAG_TXFE ( 1 << 7 ) /* TX FIFO empty */
-
-/*
- * SWITCH definitions
- */
-#define SWITCH_BASE 0xB2000000
-
-#define SWITCH_REG_CPUP_CONF 0x0024
-#define SWITCH_REG_PORT_CONF0 0x0028
-
-#define SWITCH_REG_GPIO_CONF0 0x00B8
-#define SWITCH_REG_GPIO_CONF2 0x00BC
-
-#define SWITCH_REG_PORT0_LED 0x0100
-#define SWITCH_REG_PORT1_LED 0x0104
-#define SWITCH_REG_PORT2_LED 0x0108
-#define SWITCH_REG_PORT3_LED 0x010C
-#define SWITCH_REG_PORT4_LED 0x0110
-
-#define SWITCH_PORTS_HW 0x3F /* Hardware Ports */
-
-/* CPUP_CONF register bits */
-#define CPUP_CONF_DCPUP ( 1 << 0 ) /* Disable CPU port */
-
-/* PORT_CONF0 register bits */
-#define PORT_CONF0_DP_SHIFT 0 /* disable port shift*/
-
-
-/*
- * UART routines
- */
-
-#define UART_READ(r) READREG(UART_BASE+(r))
-#define UART_WRITE(r,v) WRITEREG(UART_BASE+(r),(v))
-
-static void uart_init(void)
-{
-#if 0
- unsigned int t;
-
- /* disable uart */
- UART_WRITE(UART_REG_CTRL, 0);
-
- /* keep current baud rate */
- t = UART_READ(UART_REG_LCRM);
- UART_WRITE(UART_REG_LCRM, t);
- t = UART_READ(UART_REG_LCRL);
- UART_WRITE(UART_REG_LCRL, t);
-
- /* keep data, stop, and parity bits, but disable FIFO */
- t = UART_READ(UART_REG_LCRH);
- t &= ~(UART_LCRH_FEN);
- UART_WRITE(UART_REG_LCRH, t );
-
- /* clear error bits */
- UART_WRITE(UART_REG_ECR, 0xFF);
-
- /* enable uart, and disable interrupts */
- UART_WRITE(UART_REG_CTRL, UART_CTRL_EN);
-#endif
-}
-
-/*
- * INTC routines
- */
-
-#define INTC_READ(r) READREG(INTC_BASE+(r))
-#define INTC_WRITE(r,v) WRITEREG(INTC_BASE+(r),v)
-
-static void intc_init(void)
-{
- INTC_WRITE(INTC_REG_IRQ_DISABLE, 0xFFFFFFFF);
-}
-
-/*
- * SWITCH routines
- */
-
-#define SWITCH_READ(r) READREG(SWITCH_BASE+(r))
-#define SWITCH_WRITE(r,v) WRITEREG(SWITCH_BASE+(r),v)
-
-static void switch_init(void)
-{
- /* disable PHYS ports */
- SWITCH_WRITE(SWITCH_REG_PORT_CONF0,
- (SWITCH_PORTS_HW << PORT_CONF0_DP_SHIFT));
-
- /* disable CPU port */
- SWITCH_WRITE(SWITCH_REG_CPUP_CONF, CPUP_CONF_DCPUP);
-
- /* disable GPIO lines */
- SWITCH_WRITE(SWITCH_REG_GPIO_CONF0, 0);
- SWITCH_WRITE(SWITCH_REG_GPIO_CONF2, 0);
-
- /* disable LED lines */
- SWITCH_WRITE(SWITCH_REG_PORT0_LED, 0);
- SWITCH_WRITE(SWITCH_REG_PORT1_LED, 0);
- SWITCH_WRITE(SWITCH_REG_PORT2_LED, 0);
- SWITCH_WRITE(SWITCH_REG_PORT3_LED, 0);
- SWITCH_WRITE(SWITCH_REG_PORT4_LED, 0);
-}
-
-void board_putc(int ch)
-{
- while ((UART_READ(UART_REG_FLAG) & UART_FLAG_TXFE) == 0);
-
- UART_WRITE(UART_REG_DATA, ch);
-
- while ((UART_READ(UART_REG_FLAG) & UART_FLAG_TXFE) == 0);
-}
-
-void board_init(void)
-{
- intc_init();
- switch_init();
- uart_init();
-}
projects / openwrt.git / blobdiff