From 3f4978c713255c8406875fbdf23ffed1129bc44b Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Mon, 16 Jan 2012 21:12:24 +0000 Subject: i2c: common changes for multibus/multiadapter support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Heiko Schocher Signed-off-by: Simon Glass Cc: Henrik Nordström --- arch/powerpc/cpu/mpc8xx/video.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/powerpc/cpu') diff --git a/arch/powerpc/cpu/mpc8xx/video.c b/arch/powerpc/cpu/mpc8xx/video.c index 1bbf4cc..10e3e88 100644 --- a/arch/powerpc/cpu/mpc8xx/video.c +++ b/arch/powerpc/cpu/mpc8xx/video.c @@ -809,7 +809,11 @@ static void video_encoder_init (void) /* Initialize the I2C */ debug ("[VIDEO ENCODER] Initializing I2C bus...\n"); +#ifdef CONFIG_SYS_I2C + i2c_init_all(); +#else i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif #ifdef CONFIG_FADS /* Reset ADV7176 chip */ -- cgit v1.1 From 9a2accb44f871af9c87c34d1c9ac95010f4e6f09 Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Thu, 25 Oct 2012 10:32:14 +0200 Subject: i2c, multibus: get rid of CONFIG_I2C_MUX CONFIG_I2C_MUX is replaced through the new i2c multibus/multiadapter framework, configured through CONFIG_SYS_I2C. As CONFIG_I2C_MUX is only used on the keymile boards, and they are now completely moved to the new framework, remove CONFIG_I2C_MUX. Signed-off-by: Heiko Schocher Cc: Holger Brunck Tested-By: Holger Brunck --- arch/powerpc/cpu/mpc8260/i2c.c | 14 -------------- 1 file changed, 14 deletions(-) (limited to 'arch/powerpc/cpu') diff --git a/arch/powerpc/cpu/mpc8260/i2c.c b/arch/powerpc/cpu/mpc8260/i2c.c index e2341e9..bbbe404 100644 --- a/arch/powerpc/cpu/mpc8260/i2c.c +++ b/arch/powerpc/cpu/mpc8260/i2c.c @@ -746,23 +746,9 @@ unsigned int i2c_get_bus_num(void) int i2c_set_bus_num(unsigned int bus) { -#if defined(CONFIG_I2C_MUX) - if (bus < CONFIG_SYS_MAX_I2C_BUS) { - i2c_bus_num = bus; - } else { - int ret; - - ret = i2x_mux_select_mux(bus); - if (ret == 0) - i2c_bus_num = bus; - else - return ret; - } -#else if (bus >= CONFIG_SYS_MAX_I2C_BUS) return -1; i2c_bus_num = bus; -#endif return 0; } -- cgit v1.1 From 880540decfb855e96bc14ac84ac7784669e4b382 Mon Sep 17 00:00:00 2001 From: Dirk Eibach Date: Thu, 25 Apr 2013 02:40:01 +0000 Subject: i2c, ppc4xx_i2c: switch to new multibus/multiadapter support Signed-off-by: Dirk Eibach Cc: Heiko Schocher Cc: Stefan Roese Tested-by: Stefan Roese --- arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c | 6 +----- arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c | 6 +----- arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c | 3 +-- arch/powerpc/cpu/ppc4xx/cmd_chip_config.c | 2 +- arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c | 3 +-- 5 files changed, 5 insertions(+), 15 deletions(-) (limited to 'arch/powerpc/cpu') diff --git a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c index 48aa753..fd458fd 100644 --- a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c +++ b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c @@ -52,10 +52,6 @@ /* * Set default values */ -#ifndef CONFIG_SYS_I2C_SPEED -#define CONFIG_SYS_I2C_SPEED 50000 -#endif - #define ONE_BILLION 1000000000 #define SDRAM0_CFG_DCE 0x80000000 @@ -158,7 +154,7 @@ long int spd_sdram(int(read_spd)(uint addr)) * Make sure I2C controller is initialized * before continuing. */ - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM); } /* Make shure we are using SDRAM */ diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c index 161d274..9c566c1 100644 --- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c +++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c @@ -62,10 +62,6 @@ /* * Set default values */ -#ifndef CONFIG_SYS_I2C_SPEED -#define CONFIG_SYS_I2C_SPEED 50000 -#endif - #define ONE_BILLION 1000000000 /* @@ -168,7 +164,7 @@ long int spd_sdram(void) { * Make sure I2C controller is initialized * before continuing. */ - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM); /* * Read the SPD information using I2C interface. Check to see if the diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c index def7ebf..a66973e 100644 --- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c +++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c @@ -459,8 +459,7 @@ phys_size_t initdram(int board_type) */ /* switch to correct I2C bus */ - I2C_SET_BUS(CONFIG_SYS_SPD_BUS_NUM); - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM); /*------------------------------------------------------------------ * Clear out the serial presence detect buffers. diff --git a/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c b/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c index 72c5aec..0eafe3e 100644 --- a/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c +++ b/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c @@ -56,7 +56,7 @@ static int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg * First switch to correct I2C bus. This is I2C bus 0 * for all currently available 4xx derivats. */ - I2C_SET_BUS(0); + i2c_set_bus_num(0); #ifdef CONFIG_CMD_EEPROM ret = eeprom_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR, diff --git a/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c index 3ceab32..df96375 100644 --- a/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c +++ b/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c @@ -1041,8 +1041,7 @@ phys_size_t initdram(int board_type) * before continuing. */ /* switch to correct I2C bus */ - I2C_SET_BUS(CONFIG_SYS_SPD_BUS_NUM); - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM); /*------------------------------------------------------------------ * Clear out the serial presence detect buffers. -- cgit v1.1