diff options
| author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-16 13:44:25 +0000 | 
|---|---|---|
| committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-16 13:44:25 +0000 | 
| commit | a3a71d430b762ca48c6030c92d268a86b9f9137d (patch) | |
| tree | 5937de88cb9dca7bfebc4dc3dce3cf904bf65357 /package/uboot-ar71xx/files/cpu | |
| parent | 05a3ece84affbb56ac43d1bf67b15d06bb354ca0 (diff) | |
[boot] move boot related packages to their own folder
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33781 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/uboot-ar71xx/files/cpu')
| -rw-r--r-- | package/uboot-ar71xx/files/cpu/mips/ar71xx_serial.c | 177 | 
1 files changed, 0 insertions, 177 deletions
diff --git a/package/uboot-ar71xx/files/cpu/mips/ar71xx_serial.c b/package/uboot-ar71xx/files/cpu/mips/ar71xx_serial.c deleted file mode 100644 index f09331895..000000000 --- a/package/uboot-ar71xx/files/cpu/mips/ar71xx_serial.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * (C) Copyright 2010 - * Michael Kurz <michi.kurz@googlemail.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 <asm/addrspace.h> -#include <asm/types.h> -#include <config.h> -#include <asm/ar71xx.h> - -#define		REG_SIZE		4 - -/* === END OF CONFIG === */ - -/* register offset */ -#define         OFS_RCV_BUFFER          (0*REG_SIZE) -#define         OFS_TRANS_HOLD          (0*REG_SIZE) -#define         OFS_SEND_BUFFER         (0*REG_SIZE) -#define         OFS_INTR_ENABLE         (1*REG_SIZE) -#define         OFS_INTR_ID             (2*REG_SIZE) -#define         OFS_DATA_FORMAT         (3*REG_SIZE) -#define         OFS_LINE_CONTROL        (3*REG_SIZE) -#define         OFS_MODEM_CONTROL       (4*REG_SIZE) -#define         OFS_RS232_OUTPUT        (4*REG_SIZE) -#define         OFS_LINE_STATUS         (5*REG_SIZE) -#define         OFS_MODEM_STATUS        (6*REG_SIZE) -#define         OFS_RS232_INPUT         (6*REG_SIZE) -#define         OFS_SCRATCH_PAD         (7*REG_SIZE) - -#define         OFS_DIVISOR_LSB         (0*REG_SIZE) -#define         OFS_DIVISOR_MSB         (1*REG_SIZE) - -#define         UART16550_READ(y)   readl(KSEG1ADDR(AR71XX_UART_BASE+y)) -#define         UART16550_WRITE(x, z)  writel(z, KSEG1ADDR((AR71XX_UART_BASE+x))) - -void  -ar71xx_sys_frequency(u32 *cpu_freq, u32 *ddr_freq, u32 *ahb_freq) -{ -#ifndef CONFIG_AR91XX -    u32 pll, pll_div, cpu_div, ahb_div, ddr_div, freq; - -    pll = readl(KSEG1ADDR(AR71XX_PLL_REG_CPU_CONFIG + AR71XX_PLL_BASE)); - -    pll_div =  -        ((pll & AR71XX_PLL_DIV_MASK) >> AR71XX_PLL_DIV_SHIFT) + 1; - -    cpu_div =  -        ((pll & AR71XX_CPU_DIV_MASK) >> AR71XX_CPU_DIV_SHIFT) + 1; - -    ddr_div =  -        ((pll & AR71XX_DDR_DIV_MASK) >> AR71XX_DDR_DIV_SHIFT) + 1; - -    ahb_div =  -       (((pll & AR71XX_AHB_DIV_MASK) >> AR71XX_AHB_DIV_SHIFT) + 1)*2; - -    freq = pll_div * 40000000;  - -    if (cpu_freq) -        *cpu_freq = freq/cpu_div; - -    if (ddr_freq) -        *ddr_freq = freq/ddr_div; - -    if (ahb_freq) -        *ahb_freq = (freq/cpu_div)/ahb_div; - -#else -    u32 pll, pll_div, ahb_div, ddr_div, freq; - -    pll = readl(KSEG1ADDR(AR91XX_PLL_REG_CPU_CONFIG + AR71XX_PLL_BASE)); - -    pll_div =  -        ((pll & AR91XX_PLL_DIV_MASK) >> AR91XX_PLL_DIV_SHIFT); - -    ddr_div =  -        ((pll & AR91XX_DDR_DIV_MASK) >> AR91XX_DDR_DIV_SHIFT) + 1; - -    ahb_div =  -       (((pll & AR91XX_AHB_DIV_MASK) >> AR91XX_AHB_DIV_SHIFT) + 1)*2; - -    freq = pll_div * 5000000;  - -    if (cpu_freq) -        *cpu_freq = freq; - -    if (ddr_freq) -        *ddr_freq = freq/ddr_div; - -    if (ahb_freq) -        *ahb_freq = freq/ahb_div; -#endif -} - - -int serial_init(void) -{ -    u32 div; -    u32 ahb_freq = 100000000; - -    ar71xx_sys_frequency  (0, 0, &ahb_freq);   -    div  = ahb_freq/(16 * CONFIG_BAUDRATE);   - -	// enable uart pins -#ifndef CONFIG_AR91XX -    writel(AR71XX_GPIO_FUNC_UART_EN, KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_FUNC)); -#else -	writel(AR91XX_GPIO_FUNC_UART_EN, KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_FUNC)); -#endif - -    /* set DIAB bit */ -    UART16550_WRITE(OFS_LINE_CONTROL, 0x80); - -    /* set divisor */ -    UART16550_WRITE(OFS_DIVISOR_LSB, (div & 0xff)); -    UART16550_WRITE(OFS_DIVISOR_MSB, ((div >> 8) & 0xff)); - -    /* clear DIAB bit*/  -    UART16550_WRITE(OFS_LINE_CONTROL, 0x00); - -    /* set data format */ -    UART16550_WRITE(OFS_DATA_FORMAT, 0x3); - -    UART16550_WRITE(OFS_INTR_ENABLE, 0); - -	return 0; -} - -int serial_tstc (void) -{ -    return(UART16550_READ(OFS_LINE_STATUS) & 0x1); -} - -int serial_getc(void) -{ -    while(!serial_tstc()); - -    return UART16550_READ(OFS_RCV_BUFFER); -} - - -void serial_putc(const char byte) -{ -    if (byte == '\n') serial_putc ('\r'); - -    while (((UART16550_READ(OFS_LINE_STATUS)) & 0x20) == 0x0); -    UART16550_WRITE(OFS_SEND_BUFFER, byte); -} - -void serial_setbrg (void) -{ -} - -void serial_puts (const char *s) -{ -	while (*s) -	{ -		serial_putc (*s++); -	} -}  | 
