From b3f4ca1135edd66d14254089bbeb8077c6d0bb72 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 22 Oct 2014 21:37:15 -0600 Subject: [PATCH] dm: omap3: Move to driver model for GPIO and serial Adjust the configuration for the am33xx boards, including beagleboard, to use driver model. Signed-off-by: Simon Glass Acked-by: Tom Rini --- arch/arm/cpu/armv7/omap3/board.c | 26 ++++++++++++++++- board/isee/igep00x0/igep00x0.c | 13 +++++++++ board/logicpd/zoom1/zoom1.c | 13 +++++++++ board/overo/overo.c | 13 +++++++++ board/ti/beagle/beagle.c | 47 +++++++++++++++++++----------- board/ti/beagle/led.c | 61 +++++++++++++++++++-------------------- include/configs/ti_omap3_common.h | 19 ++++++++++-- 7 files changed, 140 insertions(+), 52 deletions(-) diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 667e77f..e6996b5 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -17,13 +17,14 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include +#include #include #include #include #include #include #include -#include +#include #include #include #include @@ -38,6 +39,27 @@ static void omap3_setup_aux_cr(void); static void omap3_invalidate_l2_cache_secure(void); #endif +#ifdef CONFIG_DM_GPIO +static const struct omap_gpio_platdata omap34xx_gpio[] = { + { 0, OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX }, + { 1, OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX }, + { 2, OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX }, + { 3, OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX }, + { 4, OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX }, + { 5, OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX }, +}; + +U_BOOT_DEVICES(am33xx_gpios) = { + { "gpio_omap", &omap34xx_gpio[0] }, + { "gpio_omap", &omap34xx_gpio[1] }, + { "gpio_omap", &omap34xx_gpio[2] }, + { "gpio_omap", &omap34xx_gpio[3] }, + { "gpio_omap", &omap34xx_gpio[4] }, + { "gpio_omap", &omap34xx_gpio[5] }, +}; + +#else + static const struct gpio_bank gpio_bank_34xx[6] = { { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX }, { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX }, @@ -49,6 +71,8 @@ static const struct gpio_bank gpio_bank_34xx[6] = { const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx; +#endif + #ifdef CONFIG_SPL_BUILD /* * We use static variables because global data is not ready yet. diff --git a/board/isee/igep00x0/igep00x0.c b/board/isee/igep00x0/igep00x0.c index 3b2b1f1..7b87cc2 100644 --- a/board/isee/igep00x0/igep00x0.c +++ b/board/isee/igep00x0/igep00x0.c @@ -5,6 +5,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include #include #include @@ -30,6 +32,17 @@ static const u32 gpmc_lan_config[] = { }; #endif +static const struct ns16550_platdata igep_serial = { + OMAP34XX_UART3, + 2, + V_NS16550_CLK +}; + +U_BOOT_DEVICE(igep_uart) = { + "serial_omap", + &igep_serial +}; + /* * Routine: board_init * Description: Early hardware init. diff --git a/board/logicpd/zoom1/zoom1.c b/board/logicpd/zoom1/zoom1.c index 461a852..9ef0026 100644 --- a/board/logicpd/zoom1/zoom1.c +++ b/board/logicpd/zoom1/zoom1.c @@ -15,6 +15,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include #include #include @@ -41,6 +43,17 @@ static const u32 gpmc_lab_enet[] = { /*CONF7- computed as params */ }; +static const struct ns16550_platdata zoom1_serial = { + OMAP34XX_UART3, + 2, + V_NS16550_CLK +}; + +U_BOOT_DEVICE(zoom1_uart) = { + "serial_omap", + &zoom1_serial +}; + /* * Routine: board_init * Description: Early hardware init. diff --git a/board/overo/overo.c b/board/overo/overo.c index 13220c5..7506820 100644 --- a/board/overo/overo.c +++ b/board/overo/overo.c @@ -13,6 +13,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include #include #include @@ -73,6 +75,17 @@ static const u32 gpmc_lan_config[] = { /*CONFIG7- computed as params */ }; +static const struct ns16550_platdata overo_serial = { + OMAP34XX_UART3, + 2, + V_NS16550_CLK +}; + +U_BOOT_DEVICE(overo_uart) = { + "serial_omap", + &overo_serial +}; + /* * Routine: board_init * Description: Early hardware init. diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 94b99bf..4c5e381 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -14,6 +14,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #ifdef CONFIG_STATUS_LED #include #endif @@ -70,6 +72,17 @@ static struct { char env_setting[64]; } expansion_config; +static const struct ns16550_platdata beagle_serial = { + OMAP34XX_UART3, + 2, + V_NS16550_CLK +}; + +U_BOOT_DEVICE(beagle_uart) = { + "serial_omap", + &beagle_serial +}; + /* * Routine: board_init * Description: Early hardware init. @@ -103,22 +116,22 @@ int board_init(void) */ static int get_board_revision(void) { - int revision; - - if (!gpio_request(171, "") && - !gpio_request(172, "") && - !gpio_request(173, "")) { - - gpio_direction_input(171); - gpio_direction_input(172); - gpio_direction_input(173); - - revision = gpio_get_value(173) << 2 | - gpio_get_value(172) << 1 | - gpio_get_value(171); - } else { - printf("Error: unable to acquire board revision GPIOs\n"); - revision = -1; + static int revision = -1; + + if (revision == -1) { + if (!gpio_request(171, "rev0") && + !gpio_request(172, "rev1") && + !gpio_request(173, "rev2")) { + gpio_direction_input(171); + gpio_direction_input(172); + gpio_direction_input(173); + + revision = gpio_get_value(173) << 2 | + gpio_get_value(172) << 1 | + gpio_get_value(171); + } else { + printf("Error: unable to acquire board revision GPIOs\n"); + } } return revision; @@ -258,7 +271,7 @@ static void beagle_dvi_pup(void) case REVISION_AXBX: case REVISION_CX: case REVISION_C4: - gpio_request(170, ""); + gpio_request(170, "dvi"); gpio_direction_output(170, 0); gpio_set_value(170, 1); break; diff --git a/board/ti/beagle/led.c b/board/ti/beagle/led.c index 89b8dd3..a913a4c 100644 --- a/board/ti/beagle/led.c +++ b/board/ti/beagle/led.c @@ -27,47 +27,46 @@ void green_led_on(void) } #endif +static int get_led_gpio(led_id_t mask) +{ +#ifdef STATUS_LED_BIT + if (STATUS_LED_BIT & mask) + return BEAGLE_LED_USR0; +#endif +#ifdef STATUS_LED_BIT1 + if (STATUS_LED_BIT1 & mask) + return BEAGLE_LED_USR1; +#endif + + return 0; +} + void __led_init (led_id_t mask, int state) { - __led_set (mask, state); + int toggle_gpio; + + toggle_gpio = get_led_gpio(mask); + + if (toggle_gpio && !gpio_request(toggle_gpio, "led")) + __led_set(mask, state); } void __led_toggle (led_id_t mask) { - int state, toggle_gpio = 0; -#ifdef STATUS_LED_BIT - if (!toggle_gpio && STATUS_LED_BIT & mask) - toggle_gpio = BEAGLE_LED_USR0; -#endif -#ifdef STATUS_LED_BIT1 - if (!toggle_gpio && STATUS_LED_BIT1 & mask) - toggle_gpio = BEAGLE_LED_USR1; -#endif + int state, toggle_gpio; + + toggle_gpio = get_led_gpio(mask); if (toggle_gpio) { - if (!gpio_request(toggle_gpio, "")) { - gpio_direction_output(toggle_gpio, 0); - state = gpio_get_value(toggle_gpio); - gpio_set_value(toggle_gpio, !state); - } + state = gpio_get_value(toggle_gpio); + gpio_direction_output(toggle_gpio, !state); } } void __led_set (led_id_t mask, int state) { -#ifdef STATUS_LED_BIT - if (STATUS_LED_BIT & mask) { - if (!gpio_request(BEAGLE_LED_USR0, "")) { - gpio_direction_output(BEAGLE_LED_USR0, 0); - gpio_set_value(BEAGLE_LED_USR0, state); - } - } -#endif -#ifdef STATUS_LED_BIT1 - if (STATUS_LED_BIT1 & mask) { - if (!gpio_request(BEAGLE_LED_USR1, "")) { - gpio_direction_output(BEAGLE_LED_USR1, 0); - gpio_set_value(BEAGLE_LED_USR1, state); - } - } -#endif + int toggle_gpio; + + toggle_gpio = get_led_gpio(mask); + if (toggle_gpio) + gpio_direction_output(toggle_gpio, state); } diff --git a/include/configs/ti_omap3_common.h b/include/configs/ti_omap3_common.h index 3b19d3d..3c634ee 100644 --- a/include/configs/ti_omap3_common.h +++ b/include/configs/ti_omap3_common.h @@ -18,6 +18,15 @@ #include #include +#ifndef CONFIG_SPL_BUILD +# define CONFIG_DM +# define CONFIG_CMD_DM +# define CONFIG_DM_GPIO +# define CONFIG_DM_SERIAL +# define CONFIG_OMAP_SERIAL +# define CONFIG_SYS_MALLOC_F_LEN (1 << 10) +#endif + /* The chip has SDRC controller */ #define CONFIG_SDRC @@ -28,16 +37,20 @@ /* NS16550 Configuration */ #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ #define CONFIG_SYS_NS16550 -#define CONFIG_SYS_NS16550_SERIAL -#define CONFIG_SYS_NS16550_REG_SIZE (-4) -#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK +#ifdef CONFIG_SPL_BUILD +# define CONFIG_SYS_NS16550_SERIAL +# define CONFIG_SYS_NS16550_REG_SIZE (-4) +# define CONFIG_SYS_NS16550_CLK V_NS16550_CLK +#endif #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \ 115200} /* Select serial console configuration */ #define CONFIG_CONS_INDEX 3 +#ifdef CONFIG_SPL_BUILD #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 #define CONFIG_SERIAL3 3 +#endif /* Physical Memory Map */ #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0