From acbc7e0a706bc12fe023034bfc4de72e86eb35ea Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Thu, 27 Apr 2017 00:03:35 +0200 Subject: sunxi: Move function for later convenience This commit only moves i2c_init_board() function almost to the top and doesn't have any functional changes. This is needed for a temporary workaround in next commit when support for DM I2C will be introduced. Signed-off-by: Jernej Skrabec Reviewed-by: Heiko Schocher Signed-off-by: Maxime Ripard --- board/sunxi/board.c | 188 ++++++++++++++++++++++++++-------------------------- 1 file changed, 94 insertions(+), 94 deletions(-) (limited to 'board/sunxi/board.c') diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 04a629125e0..f903a5d0a02 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -77,6 +77,100 @@ static int soft_i2c_board_init(void) { return 0; } DECLARE_GLOBAL_DATA_PTR; +void i2c_init_board(void) +{ +#ifdef CONFIG_I2C0_ENABLE +#if defined(CONFIG_MACH_SUN4I) || \ + defined(CONFIG_MACH_SUN5I) || \ + defined(CONFIG_MACH_SUN7I) || \ + defined(CONFIG_MACH_SUN8I_R40) + sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN4I_GPB_TWI0); + sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN4I_GPB_TWI0); + clock_twi_onoff(0, 1); +#elif defined(CONFIG_MACH_SUN6I) + sunxi_gpio_set_cfgpin(SUNXI_GPH(14), SUN6I_GPH_TWI0); + sunxi_gpio_set_cfgpin(SUNXI_GPH(15), SUN6I_GPH_TWI0); + clock_twi_onoff(0, 1); +#elif defined(CONFIG_MACH_SUN8I) + sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0); + sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0); + clock_twi_onoff(0, 1); +#endif +#endif + +#ifdef CONFIG_I2C1_ENABLE +#if defined(CONFIG_MACH_SUN4I) || \ + defined(CONFIG_MACH_SUN7I) || \ + defined(CONFIG_MACH_SUN8I_R40) + sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1); + sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1); + clock_twi_onoff(1, 1); +#elif defined(CONFIG_MACH_SUN5I) + sunxi_gpio_set_cfgpin(SUNXI_GPB(15), SUN5I_GPB_TWI1); + sunxi_gpio_set_cfgpin(SUNXI_GPB(16), SUN5I_GPB_TWI1); + clock_twi_onoff(1, 1); +#elif defined(CONFIG_MACH_SUN6I) + sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1); + sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1); + clock_twi_onoff(1, 1); +#elif defined(CONFIG_MACH_SUN8I) + sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1); + sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1); + clock_twi_onoff(1, 1); +#endif +#endif + +#ifdef CONFIG_I2C2_ENABLE +#if defined(CONFIG_MACH_SUN4I) || \ + defined(CONFIG_MACH_SUN7I) || \ + defined(CONFIG_MACH_SUN8I_R40) + sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN4I_GPB_TWI2); + sunxi_gpio_set_cfgpin(SUNXI_GPB(21), SUN4I_GPB_TWI2); + clock_twi_onoff(2, 1); +#elif defined(CONFIG_MACH_SUN5I) + sunxi_gpio_set_cfgpin(SUNXI_GPB(17), SUN5I_GPB_TWI2); + sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN5I_GPB_TWI2); + clock_twi_onoff(2, 1); +#elif defined(CONFIG_MACH_SUN6I) + sunxi_gpio_set_cfgpin(SUNXI_GPH(18), SUN6I_GPH_TWI2); + sunxi_gpio_set_cfgpin(SUNXI_GPH(19), SUN6I_GPH_TWI2); + clock_twi_onoff(2, 1); +#elif defined(CONFIG_MACH_SUN8I) + sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2); + sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2); + clock_twi_onoff(2, 1); +#endif +#endif + +#ifdef CONFIG_I2C3_ENABLE +#if defined(CONFIG_MACH_SUN6I) + sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_TWI3); + sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_TWI3); + clock_twi_onoff(3, 1); +#elif defined(CONFIG_MACH_SUN7I) || \ + defined(CONFIG_MACH_SUN8I_R40) + sunxi_gpio_set_cfgpin(SUNXI_GPI(0), SUN7I_GPI_TWI3); + sunxi_gpio_set_cfgpin(SUNXI_GPI(1), SUN7I_GPI_TWI3); + clock_twi_onoff(3, 1); +#endif +#endif + +#ifdef CONFIG_I2C4_ENABLE +#if defined(CONFIG_MACH_SUN7I) || \ + defined(CONFIG_MACH_SUN8I_R40) + sunxi_gpio_set_cfgpin(SUNXI_GPI(2), SUN7I_GPI_TWI4); + sunxi_gpio_set_cfgpin(SUNXI_GPI(3), SUN7I_GPI_TWI4); + clock_twi_onoff(4, 1); +#endif +#endif + +#ifdef CONFIG_R_I2C_ENABLE + clock_twi_onoff(5, 1); + sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI); + sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI); +#endif +} + /* add board specific code here */ int board_init(void) { @@ -406,100 +500,6 @@ int board_mmc_init(bd_t *bis) } #endif -void i2c_init_board(void) -{ -#ifdef CONFIG_I2C0_ENABLE -#if defined(CONFIG_MACH_SUN4I) || \ - defined(CONFIG_MACH_SUN5I) || \ - defined(CONFIG_MACH_SUN7I) || \ - defined(CONFIG_MACH_SUN8I_R40) - sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN4I_GPB_TWI0); - sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN4I_GPB_TWI0); - clock_twi_onoff(0, 1); -#elif defined(CONFIG_MACH_SUN6I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(14), SUN6I_GPH_TWI0); - sunxi_gpio_set_cfgpin(SUNXI_GPH(15), SUN6I_GPH_TWI0); - clock_twi_onoff(0, 1); -#elif defined(CONFIG_MACH_SUN8I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0); - sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0); - clock_twi_onoff(0, 1); -#endif -#endif - -#ifdef CONFIG_I2C1_ENABLE -#if defined(CONFIG_MACH_SUN4I) || \ - defined(CONFIG_MACH_SUN7I) || \ - defined(CONFIG_MACH_SUN8I_R40) - sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1); - sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1); - clock_twi_onoff(1, 1); -#elif defined(CONFIG_MACH_SUN5I) - sunxi_gpio_set_cfgpin(SUNXI_GPB(15), SUN5I_GPB_TWI1); - sunxi_gpio_set_cfgpin(SUNXI_GPB(16), SUN5I_GPB_TWI1); - clock_twi_onoff(1, 1); -#elif defined(CONFIG_MACH_SUN6I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1); - sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1); - clock_twi_onoff(1, 1); -#elif defined(CONFIG_MACH_SUN8I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1); - sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1); - clock_twi_onoff(1, 1); -#endif -#endif - -#ifdef CONFIG_I2C2_ENABLE -#if defined(CONFIG_MACH_SUN4I) || \ - defined(CONFIG_MACH_SUN7I) || \ - defined(CONFIG_MACH_SUN8I_R40) - sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN4I_GPB_TWI2); - sunxi_gpio_set_cfgpin(SUNXI_GPB(21), SUN4I_GPB_TWI2); - clock_twi_onoff(2, 1); -#elif defined(CONFIG_MACH_SUN5I) - sunxi_gpio_set_cfgpin(SUNXI_GPB(17), SUN5I_GPB_TWI2); - sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN5I_GPB_TWI2); - clock_twi_onoff(2, 1); -#elif defined(CONFIG_MACH_SUN6I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(18), SUN6I_GPH_TWI2); - sunxi_gpio_set_cfgpin(SUNXI_GPH(19), SUN6I_GPH_TWI2); - clock_twi_onoff(2, 1); -#elif defined(CONFIG_MACH_SUN8I) - sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2); - sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2); - clock_twi_onoff(2, 1); -#endif -#endif - -#ifdef CONFIG_I2C3_ENABLE -#if defined(CONFIG_MACH_SUN6I) - sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_TWI3); - sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_TWI3); - clock_twi_onoff(3, 1); -#elif defined(CONFIG_MACH_SUN7I) || \ - defined(CONFIG_MACH_SUN8I_R40) - sunxi_gpio_set_cfgpin(SUNXI_GPI(0), SUN7I_GPI_TWI3); - sunxi_gpio_set_cfgpin(SUNXI_GPI(1), SUN7I_GPI_TWI3); - clock_twi_onoff(3, 1); -#endif -#endif - -#ifdef CONFIG_I2C4_ENABLE -#if defined(CONFIG_MACH_SUN7I) || \ - defined(CONFIG_MACH_SUN8I_R40) - sunxi_gpio_set_cfgpin(SUNXI_GPI(2), SUN7I_GPI_TWI4); - sunxi_gpio_set_cfgpin(SUNXI_GPI(3), SUN7I_GPI_TWI4); - clock_twi_onoff(4, 1); -#endif -#endif - -#ifdef CONFIG_R_I2C_ENABLE - clock_twi_onoff(5, 1); - sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI); - sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI); -#endif -} - #ifdef CONFIG_SPL_BUILD void sunxi_board_init(void) { -- cgit v1.2.3 From a8f01ccff2abf680449b2e694284ecf089b5d9be Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Thu, 27 Apr 2017 00:03:36 +0200 Subject: sunxi: i2c: Add support for DM I2C This commit adds support for DM I2C on sunxi platform. It can coexist with old style sunxi I2C driver, because it is still used in SPL and by some SoCs. Because sunxi platform doesn't yet support DM clk, reset and pinctrl driver, workaround is needed to enable clocks and set resets and pinctrls. This is done by calling i2c_init_board() in board_init(). This means that CONFIG_I2Cx_ENABLE options needs to be correctly set in order to use needed I2C controller. Commit is based on the previous patch made by Philipp Tomsich Signed-off-by: Jernej Skrabec Reviewed-by: Heiko Schocher Signed-off-by: Maxime Ripard --- board/sunxi/board.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'board/sunxi/board.c') diff --git a/board/sunxi/board.c b/board/sunxi/board.c index f903a5d0a02..01de42d0318 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -222,6 +222,14 @@ int board_init(void) gpio_direction_output(macpwr_pin, 1); #endif +#ifdef CONFIG_DM_I2C + /* + * Temporary workaround for enabling I2C clocks until proper sunxi DM + * clk, reset and pinctrl drivers land. + */ + i2c_init_board(); +#endif + /* Uses dm gpio code so do this here and not in i2c_init_board() */ return soft_i2c_board_init(); } -- cgit v1.2.3