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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>
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@ -93,7 +93,7 @@ u32 kwmpp_config[] = {
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MPP41_GPIO, /* Piggy3 LED[4] */
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MPP41_GPIO, /* Piggy3 LED[4] */
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MPP42_GPIO, /* Piggy3 LED[5] */
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MPP42_GPIO, /* Piggy3 LED[5] */
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MPP43_GPIO, /* Piggy3 LED[6] */
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MPP43_GPIO, /* Piggy3 LED[6] */
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MPP44_GPIO, /* Piggy3 LED[7] */
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MPP44_GPIO, /* Piggy3 LED[7], BIST_EN_L */
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MPP45_GPIO, /* Piggy3 LED[8] */
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MPP45_GPIO, /* Piggy3 LED[8] */
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MPP46_GPIO, /* Reserved */
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MPP46_GPIO, /* Reserved */
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MPP47_GPIO, /* Reserved */
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MPP47_GPIO, /* Reserved */
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@ -155,14 +155,14 @@ int board_early_init_f(void)
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#if defined(CONFIG_SOFT_I2C)
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#if defined(CONFIG_SOFT_I2C)
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/* init the GPIO for I2C Bitbang driver */
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/* init the GPIO for I2C Bitbang driver */
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kw_gpio_set_valid(SUEN3_SDA_PIN, 1);
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kw_gpio_set_valid(KM_KIRKWOOD_SDA_PIN, 1);
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kw_gpio_set_valid(SUEN3_SCL_PIN, 1);
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kw_gpio_set_valid(KM_KIRKWOOD_SCL_PIN, 1);
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kw_gpio_direction_output(SUEN3_SDA_PIN, 0);
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kw_gpio_direction_output(KM_KIRKWOOD_SDA_PIN, 0);
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kw_gpio_direction_output(SUEN3_SCL_PIN, 0);
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kw_gpio_direction_output(KM_KIRKWOOD_SCL_PIN, 0);
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#endif
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#endif
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#if defined(CONFIG_SYS_EEPROM_WREN)
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#if defined(CONFIG_SYS_EEPROM_WREN)
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kw_gpio_set_valid(SUEN3_ENV_WP, 38);
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kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38);
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kw_gpio_direction_output(SUEN3_ENV_WP, 1);
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kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1);
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#endif
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#endif
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return 0;
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return 0;
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@ -315,15 +315,15 @@ int get_sda(void)
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int get_scl(void)
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int get_scl(void)
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{
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{
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return (kw_gpio_get_value(SUEN3_SCL_PIN) ? 1 : 0);
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return kw_gpio_get_value(KM_KIRKWOOD_SCL_PIN) ? 1 : 0;
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}
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}
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#endif
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#endif
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#if defined(CONFIG_SYS_EEPROM_WREN)
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#if defined(CONFIG_SYS_EEPROM_WREN)
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int eeprom_write_enable(unsigned dev_addr, int state)
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int eeprom_write_enable(unsigned dev_addr, int state)
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{
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{
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kw_gpio_set_value(SUEN3_ENV_WP, !state);
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kw_gpio_set_value(KM_KIRKWOOD_ENV_WP, !state);
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return !kw_gpio_get_value(SUEN3_ENV_WP);
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return !kw_gpio_get_value(KM_KIRKWOOD_ENV_WP);
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}
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}
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#endif
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#endif
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@ -179,15 +179,15 @@ void set_sda (int state);
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void set_scl (int state);
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void set_scl (int state);
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int get_sda (void);
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int get_sda (void);
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int get_scl (void);
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int get_scl (void);
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#define SUEN3_SDA_PIN 8
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#define KM_KIRKWOOD_SDA_PIN 8
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#define SUEN3_SCL_PIN 9
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#define KM_KIRKWOOD_SCL_PIN 9
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#define SUEN3_ENV_WP 38
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#define KM_KIRKWOOD_ENV_WP 38
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#define I2C_ACTIVE __set_direction(SUEN3_SDA_PIN, 0)
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#define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
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#define I2C_TRISTATE __set_direction(SUEN3_SDA_PIN, 1)
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#define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
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#define I2C_READ (kw_gpio_get_value(SUEN3_SDA_PIN) ? 1 : 0)
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#define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
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#define I2C_SDA(bit) kw_gpio_set_value(SUEN3_SDA_PIN, bit);
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#define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
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#define I2C_SCL(bit) kw_gpio_set_value(SUEN3_SCL_PIN, bit);
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#define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
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#endif
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#endif
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#define I2C_DELAY udelay(3) /* 1/4 I2C clock duration */
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#define I2C_DELAY udelay(3) /* 1/4 I2C clock duration */
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