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km-arm: i2c support for suenx based boards 

This patch renames the suen3 defines and functions to KM_KIRKWOOD
which is more generic and more precise, because these values
and functions where used by all suenX boards and not only suen3.

Signed-off-by: Lukas Roggli <lukas.roggli@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: Prafulla Wadaskar <prafulla@marvell.com>
This commit is contained in:
Heiko Schocher 2011-02-22 09:13:00 +01:00 committed by Wolfgang Denk
parent 4074296b1c
commit 44097e26cc
2 changed files with 18 additions and 18 deletions
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20
board/keymile/km_arm/km_arm.c
View File

@ -93,7 +93,7 @@ u32 kwmpp_config[] = {
MPP41_GPIO, /* Piggy3 LED[4] */ MPP41_GPIO, /* Piggy3 LED[4] */
MPP42_GPIO, /* Piggy3 LED[5] */ MPP42_GPIO, /* Piggy3 LED[5] */
MPP43_GPIO, /* Piggy3 LED[6] */ MPP43_GPIO, /* Piggy3 LED[6] */
MPP44_GPIO, /* Piggy3 LED[7] */ MPP44_GPIO, /* Piggy3 LED[7], BIST_EN_L */
MPP45_GPIO, /* Piggy3 LED[8] */ MPP45_GPIO, /* Piggy3 LED[8] */
MPP46_GPIO, /* Reserved */ MPP46_GPIO, /* Reserved */
MPP47_GPIO, /* Reserved */ MPP47_GPIO, /* Reserved */
@ -155,14 +155,14 @@ int board_early_init_f(void)
#if defined(CONFIG_SOFT_I2C) #if defined(CONFIG_SOFT_I2C)
/* init the GPIO for I2C Bitbang driver */ /* init the GPIO for I2C Bitbang driver */
kw_gpio_set_valid(SUEN3_SDA_PIN, 1); kw_gpio_set_valid(KM_KIRKWOOD_SDA_PIN, 1);
kw_gpio_set_valid(SUEN3_SCL_PIN, 1); kw_gpio_set_valid(KM_KIRKWOOD_SCL_PIN, 1);
kw_gpio_direction_output(SUEN3_SDA_PIN, 0); kw_gpio_direction_output(KM_KIRKWOOD_SDA_PIN, 0);
kw_gpio_direction_output(SUEN3_SCL_PIN, 0); kw_gpio_direction_output(KM_KIRKWOOD_SCL_PIN, 0);
#endif #endif
#if defined(CONFIG_SYS_EEPROM_WREN) #if defined(CONFIG_SYS_EEPROM_WREN)
kw_gpio_set_valid(SUEN3_ENV_WP, 38); kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38);
kw_gpio_direction_output(SUEN3_ENV_WP, 1); kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1);
#endif #endif
return 0; return 0;
@ -315,15 +315,15 @@ int get_sda(void)
int get_scl(void) int get_scl(void)
{ {
return (kw_gpio_get_value(SUEN3_SCL_PIN) ? 1 : 0); return kw_gpio_get_value(KM_KIRKWOOD_SCL_PIN) ? 1 : 0;
} }
#endif #endif
#if defined(CONFIG_SYS_EEPROM_WREN) #if defined(CONFIG_SYS_EEPROM_WREN)
int eeprom_write_enable(unsigned dev_addr, int state) int eeprom_write_enable(unsigned dev_addr, int state)
{ {
kw_gpio_set_value(SUEN3_ENV_WP, !state); kw_gpio_set_value(KM_KIRKWOOD_ENV_WP, !state);
return !kw_gpio_get_value(SUEN3_ENV_WP); return !kw_gpio_get_value(KM_KIRKWOOD_ENV_WP);
} }
#endif #endif

16
include/configs/km_arm.h
View File

@ -179,15 +179,15 @@ void set_sda (int state);
void set_scl (int state); void set_scl (int state);
int get_sda (void); int get_sda (void);
int get_scl (void); int get_scl (void);
#define SUEN3_SDA_PIN 8 #define KM_KIRKWOOD_SDA_PIN 8
#define SUEN3_SCL_PIN 9 #define KM_KIRKWOOD_SCL_PIN 9
#define SUEN3_ENV_WP 38 #define KM_KIRKWOOD_ENV_WP 38
#define I2C_ACTIVE __set_direction(SUEN3_SDA_PIN, 0) #define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
#define I2C_TRISTATE __set_direction(SUEN3_SDA_PIN, 1) #define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
#define I2C_READ (kw_gpio_get_value(SUEN3_SDA_PIN) ? 1 : 0) #define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
#define I2C_SDA(bit) kw_gpio_set_value(SUEN3_SDA_PIN, bit); #define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
#define I2C_SCL(bit) kw_gpio_set_value(SUEN3_SCL_PIN, bit); #define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
#endif #endif
#define I2C_DELAY udelay(3) /* 1/4 I2C clock duration */ #define I2C_DELAY udelay(3) /* 1/4 I2C clock duration */