[U-Boot-Users] [PATCH 2/4] AVR32: Make some AT32AP700x peripherals optional
Haavard Skinnemoen
hskinnemoen at atmel.com
Tue Oct 30 09:59:33 CET 2007
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 at atmel.com>
---
cpu/at32ap/at32ap700x/gpio.c | 7 ++++
include/asm-avr32/arch-at32ap700x/chip-features.h | 34 +++++++++++++++++++++
include/asm-avr32/arch-at32ap700x/clk.h | 8 +++++
include/asm-avr32/arch-at32ap700x/gpio.h | 8 +++++
4 files changed, 57 insertions(+), 0 deletions(-)
create mode 100644 include/asm-avr32/arch-at32ap700x/chip-features.h
diff --git a/cpu/at32ap/at32ap700x/gpio.c b/cpu/at32ap/at32ap700x/gpio.c
index 52f5372..2d53726 100644
--- a/cpu/at32ap/at32ap700x/gpio.c
+++ b/cpu/at32ap/at32ap700x/gpio.c
@@ -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
diff --git a/include/asm-avr32/arch-at32ap700x/chip-features.h b/include/asm-avr32/arch-at32ap700x/chip-features.h
new file mode 100644
index 0000000..29b1fd6
--- /dev/null
+++ b/include/asm-avr32/arch-at32ap700x/chip-features.h
@@ -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__ */
diff --git a/include/asm-avr32/arch-at32ap700x/clk.h b/include/asm-avr32/arch-at32ap700x/clk.h
index 7e20d97..ea84c08 100644
--- a/include/asm-avr32/arch-at32ap700x/clk.h
+++ b/include/asm-avr32/arch-at32ap700x/clk.h
@@ -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__ */
diff --git a/include/asm-avr32/arch-at32ap700x/gpio.h b/include/asm-avr32/arch-at32ap700x/gpio.h
index e4812d4..b10a3e4 100644
--- a/include/asm-avr32/arch-at32ap700x/gpio.h
+++ b/include/asm-avr32/arch-at32ap700x/gpio.h
@@ -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__ */
--
1.5.3.4
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