diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/nvidia/common/board.c | 5 | ||||
| -rw-r--r-- | board/nvidia/common/common.mk | 1 | ||||
| -rw-r--r-- | board/nvidia/common/uart-spi-switch.c | 125 | ||||
| -rw-r--r-- | board/nvidia/dalmore/dalmore.c | 66 | ||||
| -rw-r--r-- | board/nvidia/dalmore/pinmux-config-dalmore.h | 6 | ||||
| -rw-r--r-- | board/nvidia/dts/tegra114-dalmore.dts | 18 | ||||
| -rw-r--r-- | board/nvidia/seaboard/seaboard.c | 2 |
7 files changed, 92 insertions, 131 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 7d9f361..8d7a227 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -132,10 +132,7 @@ int board_init(void) clock_init(); clock_verify(); -#ifdef CONFIG_SPI_UART_SWITCH - gpio_config_uart(); -#endif -#if defined(CONFIG_TEGRA_SPI) || defined(CONFIG_TEGRA_SLINK) +#ifdef CONFIG_FDT_SPI pin_mux_spi(); spi_init(); #endif diff --git a/board/nvidia/common/common.mk b/board/nvidia/common/common.mk index bd6202c..d9bcb85 100644 --- a/board/nvidia/common/common.mk +++ b/board/nvidia/common/common.mk @@ -1,4 +1,3 @@ # common options for all tegra boards COBJS-y += ../../nvidia/common/board.o -COBJS-$(CONFIG_SPI_UART_SWITCH) += ../../nvidia/common/uart-spi-switch.o COBJS-$(CONFIG_TEGRA_CLOCK_SCALING) += ../../nvidia/common/emc.o diff --git a/board/nvidia/common/uart-spi-switch.c b/board/nvidia/common/uart-spi-switch.c deleted file mode 100644 index e9d445d..0000000 --- a/board/nvidia/common/uart-spi-switch.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (c) 2011 The Chromium OS Authors. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/gpio.h> -#include <asm/arch/pinmux.h> -#include <asm/arch/uart-spi-switch.h> -#include <asm/arch/tegra.h> -#include <asm/arch-tegra/tegra_spi.h> -#include <asm/arch-tegra/board.h> - -/* position of the UART/SPI select switch */ -enum spi_uart_switch { - SWITCH_UNKNOWN, - SWITCH_SPI, - SWITCH_UART, - SWITCH_BOTH -}; - -/* Information about the spi/uart switch */ -struct spi_uart { - int gpio; /* GPIO to control switch */ - u32 port; /* Port number of UART affected */ -}; - -static struct spi_uart local; -static enum spi_uart_switch switch_pos; /* Current switch position */ - - -static void get_config(struct spi_uart *config) -{ -#if defined CONFIG_SPI_CORRUPTS_UART - config->gpio = CONFIG_UART_DISABLE_GPIO; - config->port = CONFIG_SPI_CORRUPTS_UART_NR; -#else - config->gpio = -1; -#endif -} - -/* - * Init the UART / SPI switch. This can be called before relocation so we must - * not access BSS. - */ -void gpio_early_init_uart(void) -{ - struct spi_uart config; - - get_config(&config); - if (config.gpio != -1) { - /* Cannot provide a label prior to relocation */ - gpio_request(config.gpio, NULL); - gpio_direction_output(config.gpio, 0); - } -} - -/* - * Configure the UART / SPI switch. - */ -void gpio_config_uart(void) -{ - get_config(&local); - if (local.gpio != -1) { - gpio_direction_output(local.gpio, 0); - switch_pos = SWITCH_UART; - } else { - /* - * If we're here we don't have a SPI switch; go ahead and - * enable the SPI now. We didn't in spi_init() so we wouldn't - * kill the UART. - */ - pinmux_set_func(PINGRP_GMC, PMUX_FUNC_SFLASH); - switch_pos = SWITCH_BOTH; - } -} - -static void spi_uart_switch(struct spi_uart *config, - enum spi_uart_switch new_pos) -{ - if (switch_pos == SWITCH_BOTH || new_pos == switch_pos) - return; - - /* pre-delay, allow SPI/UART to settle, FIFO to empty, etc. */ - udelay(CONFIG_SPI_CORRUPTS_UART_DLY); - - /* We need to dynamically change the pinmux, shared w/UART RXD/CTS */ - pinmux_set_func(PINGRP_GMC, new_pos == SWITCH_SPI ? - PMUX_FUNC_SFLASH : PMUX_FUNC_UARTD); - - /* - * On Seaboard, MOSI/MISO are shared w/UART. - * Use GPIO I3 (UART_DISABLE) to tristate UART during SPI activity. - * Enable UART later (cs_deactivate) so we can use it for U-Boot comms. - */ - gpio_direction_output(config->gpio, new_pos == SWITCH_SPI); - switch_pos = new_pos; -} - -void pinmux_select_uart(void) -{ - spi_uart_switch(&local, SWITCH_UART); -} - -void pinmux_select_spi(void) -{ - spi_uart_switch(&local, SWITCH_SPI); -} diff --git a/board/nvidia/dalmore/dalmore.c b/board/nvidia/dalmore/dalmore.c index 2020a5f..2c23a29 100644 --- a/board/nvidia/dalmore/dalmore.c +++ b/board/nvidia/dalmore/dalmore.c @@ -16,7 +16,12 @@ #include <common.h> #include <asm/arch/pinmux.h> +#include <asm/arch/gp_padctrl.h> #include "pinmux-config-dalmore.h" +#include <i2c.h> + +#define BAT_I2C_ADDRESS 0x48 /* TPS65090 charger */ +#define PMU_I2C_ADDRESS 0x58 /* TPS65913 PMU */ /* * Routine: pinmux_init @@ -32,4 +37,65 @@ void pinmux_init(void) pinmux_config_table(unused_pins_lowpower, ARRAY_SIZE(unused_pins_lowpower)); + + /* Initialize any non-default pad configs (APB_MISC_GP regs) */ + padgrp_config_table(dalmore_padctrl, ARRAY_SIZE(dalmore_padctrl)); +} + +#if defined(CONFIG_TEGRA_MMC) +/* + * Do I2C/PMU writes to bring up SD card bus power + * + */ +void board_sdmmc_voltage_init(void) +{ + uchar reg, data_buffer[1]; + int ret; + + ret = i2c_set_bus_num(0);/* PMU is on bus 0 */ + if (ret) + printf("%s: i2c_set_bus_num returned %d\n", __func__, ret); + + /* TPS65913: LDO9_VOLTAGE = 3.3V */ + data_buffer[0] = 0x31; + reg = 0x61; + + ret = i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1); + if (ret) + printf("%s: PMU i2c_write %02X<-%02X returned %d\n", + __func__, reg, data_buffer[0], ret); + + /* TPS65913: LDO9_CTRL = Active */ + data_buffer[0] = 0x01; + reg = 0x60; + + ret = i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1); + if (ret) + printf("%s: PMU i2c_write %02X<-%02X returned %d\n", + __func__, reg, data_buffer[0], ret); + + /* TPS65090: FET6_CTRL = enable output auto discharge, enable FET6 */ + data_buffer[0] = 0x03; + reg = 0x14; + + ret = i2c_write(BAT_I2C_ADDRESS, reg, 1, data_buffer, 1); + if (ret) + printf("%s: BAT i2c_write %02X<-%02X returned %d\n", + __func__, reg, data_buffer[0], ret); +} + +/* + * Routine: pin_mux_mmc + * Description: setup the MMC muxes, power rails, etc. + */ +void pin_mux_mmc(void) +{ + /* + * NOTE: We don't do mmc-specific pin muxes here. + * They were done globally in pinmux_init(). + */ + + /* Bring up the SDIO3 power rail */ + board_sdmmc_voltage_init(); } +#endif /* MMC */ diff --git a/board/nvidia/dalmore/pinmux-config-dalmore.h b/board/nvidia/dalmore/pinmux-config-dalmore.h index 3ef6f4e..8c05a15 100644 --- a/board/nvidia/dalmore/pinmux-config-dalmore.h +++ b/board/nvidia/dalmore/pinmux-config-dalmore.h @@ -361,4 +361,10 @@ static struct pingroup_config tegra114_pinmux_set_nontristate[] = { DEFAULT_PINMUX(SDMMC3_CD_N, SDMMC3, UP, NORMAL, INPUT), }; + +static struct padctrl_config dalmore_padctrl[] = { + /* (_padgrp, _slwf, _slwr, _drvup, _drvdn, _lpmd, _schmt, _hsm) */ + DEFAULT_PADCFG(SDIO3, SDIOCFG_DRVUP_SLWF, SDIOCFG_DRVDN_SLWR, \ + SDIOCFG_DRVUP, SDIOCFG_DRVDN, NONE, NONE, NONE), +}; #endif /* PINMUX_CONFIG_COMMON_H */ diff --git a/board/nvidia/dts/tegra114-dalmore.dts b/board/nvidia/dts/tegra114-dalmore.dts index 30cf1fb..86e9459 100644 --- a/board/nvidia/dts/tegra114-dalmore.dts +++ b/board/nvidia/dts/tegra114-dalmore.dts @@ -12,6 +12,8 @@ i2c2 = "/i2c@7000c400"; i2c3 = "/i2c@7000c500"; i2c4 = "/i2c@7000c700"; + sdhci0 = "/sdhci@78000600"; + sdhci1 = "/sdhci@78000400"; }; memory { @@ -43,4 +45,20 @@ status = "okay"; clock-frequency = <400000>; }; + + spi@7000da00 { + status = "okay"; + spi-max-frequency = <25000000>; + }; + + sdhci@78000400 { + cd-gpios = <&gpio 170 1>; /* gpio PV2 */ + bus-width = <4>; + status = "okay"; + }; + + sdhci@78000600 { + bus-width = <8>; + status = "okay"; + }; }; diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c index e581fdd..498e513 100644 --- a/board/nvidia/seaboard/seaboard.c +++ b/board/nvidia/seaboard/seaboard.c @@ -31,7 +31,7 @@ #include <asm/gpio.h> /* TODO: Remove this code when the SPI switch is working */ -#if !defined(CONFIG_SPI_UART_SWITCH) && (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA) +#if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA) void gpio_early_init_uart(void) { /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ |