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AVR32: Make some AT32AP700x peripherals optional 

Add a chip-features file providing definitions of the form

AT32AP700x_CHIP_HAS_<peripheral>

to indicate the availability of the given peripheral on the currently
selected chip.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2007-10-29 13:23:33 +01:00
parent 36f28f8a96
commit 5fee84a794
4 changed files with 57 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
cpu/at32ap/at32ap700x/gpio.c
View File

@ -21,6 +21,7 @@
*/
#include <common.h>
#include <asm/arch/chip-features.h>
#include <asm/arch/gpio.h>
/*
@ -52,6 +53,7 @@ void gpio_enable_ebi(void)
#endif
}
#ifdef AT32AP700x_CHIP_HAS_USART
void gpio_enable_usart0(void)
{
gpio_select_periph_B(GPIO_PIN_PA8, 0);
@ -75,7 +77,9 @@ void gpio_enable_usart3(void)
gpio_select_periph_B(GPIO_PIN_PB18, 0);
gpio_select_periph_B(GPIO_PIN_PB19, 0);
}
#endif
#ifdef AT32AP700x_CHIP_HAS_MACB
void gpio_enable_macb0(void)
{
gpio_select_periph_A(GPIO_PIN_PC3, 0); /* TXD0 */
@ -125,7 +129,9 @@ void gpio_enable_macb1(void)
gpio_select_periph_B(GPIO_PIN_PD15, 0); /* SPD */
#endif
}
#endif
#ifdef AT32AP700x_CHIP_HAS_MMCI
void gpio_enable_mmci(void)
{
gpio_select_periph_A(GPIO_PIN_PA10, 0); /* CLK */
@ -135,3 +141,4 @@ void gpio_enable_mmci(void)
gpio_select_periph_A(GPIO_PIN_PA14, 0); /* DATA2 */
gpio_select_periph_A(GPIO_PIN_PA15, 0); /* DATA3 */
}
#endif

34
include/asm-avr32/arch-at32ap700x/chip-features.h Normal file
View File

@ -0,0 +1,34 @@
/*
* Copyright (C) 2007 Atmel Corporation
*
* 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
*/
#ifndef __ASM_AVR32_ARCH_CHIP_FEATURES_H__
#define __ASM_AVR32_ARCH_CHIP_FEATURES_H__
/* Currently, all the AP700x chips have these */
#define AT32AP700x_CHIP_HAS_USART
#define AT32AP700x_CHIP_HAS_MMCI
/* Only AP7000 has ethernet interface */
#ifdef CONFIG_AT32AP7000
#define AT32AP700x_CHIP_HAS_MACB
#endif
#endif /* __ASM_AVR32_ARCH_CHIP_FEATURES_H__ */

8
include/asm-avr32/arch-at32ap700x/clk.h
View File

@ -22,6 +22,8 @@
#ifndef __ASM_AVR32_ARCH_CLK_H__
#define __ASM_AVR32_ARCH_CLK_H__
#include <asm/arch/chip-features.h>
#ifdef CONFIG_PLL
#define MAIN_CLK_RATE ((CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL)
#else
@ -50,10 +52,13 @@ static inline unsigned long get_sdram_clk_rate(void)
{
return get_hsb_clk_rate();
}
#ifdef AT32AP700x_CHIP_HAS_USART
static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
{
return get_pba_clk_rate();
}
#endif
#ifdef AT32AP700x_CHIP_HAS_USART
static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
{
return get_pbb_clk_rate();
@ -62,9 +67,12 @@ static inline unsigned long get_macb_hclk_rate(unsigned int dev_id)
{
return get_hsb_clk_rate();
}
#endif
#ifdef AT32AP700x_CHIP_HAS_MMCI
static inline unsigned long get_mci_clk_rate(void)
{
return get_pbb_clk_rate();
}
#endif
#endif /* __ASM_AVR32_ARCH_CLK_H__ */

8
include/asm-avr32/arch-at32ap700x/gpio.h
View File

@ -22,6 +22,7 @@
#ifndef __ASM_AVR32_ARCH_GPIO_H__
#define __ASM_AVR32_ARCH_GPIO_H__
#include <asm/arch/chip-features.h>
#include <asm/arch/memory-map.h>
#define NR_GPIO_CONTROLLERS 5
@ -201,12 +202,19 @@ void gpio_select_periph_A(unsigned int pin, int use_pullup);
void gpio_select_periph_B(unsigned int pin, int use_pullup);
void gpio_enable_ebi(void);
#ifdef AT32AP700x_CHIP_HAS_USART
void gpio_enable_usart0(void);
void gpio_enable_usart1(void);
void gpio_enable_usart2(void);
void gpio_enable_usart3(void);
#endif
#ifdef AT32AP700x_CHIP_HAS_MACB
void gpio_enable_macb0(void);
void gpio_enable_macb1(void);
#endif
#ifdef AT32AP700x_CHIP_HAS_MMCI
void gpio_enable_mmci(void);
#endif
#endif /* __ASM_AVR32_ARCH_GPIO_H__ */