diff options
| author | Sjoerd Simons <sjoerd.simons@collabora.co.uk> | 2019-02-25 15:33:00 +0000 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-04-12 08:05:48 -0400 |
| commit | 45123804200a268c3bfc879b49bd30aef565b79b (patch) | |
| tree | 765a8f5009880aa77c2376066f0ac87e5c5e4337 /board/bosch/guardian/mux.c | |
| parent | f2fae512f2c27f67dca8cdfb7965bdac4cfc63df (diff) | |
am335x, guardian: Add support for the bosch guardian board
Add support for the Bosch Guardian board.
CPU : AM335X-GP rev 2.1
Model: Bosch AM335x Guardian
I2C: ready
DRAM: 256 MiB
NAND: 512 MiB
MMC: OMAP SD/MMC: 0
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Felix Brack <fb@ltec.ch>
Diffstat (limited to 'board/bosch/guardian/mux.c')
| -rw-r--r-- | board/bosch/guardian/mux.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/board/bosch/guardian/mux.c b/board/bosch/guardian/mux.c new file mode 100644 index 0000000000..708c3e7fdd --- /dev/null +++ b/board/bosch/guardian/mux.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * mux.c + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * Copyright (C) 2018 Robert Bosch Power Tools GmbH + */ + +#include <common.h> +#include <i2c.h> +#include <asm/arch/hardware.h> +#include <asm/arch/mux.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include "board.h" + +static struct module_pin_mux uart0_pin_mux[] = { + {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, + {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, + {-1}, +}; + +static struct module_pin_mux i2c0_pin_mux[] = { + {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)}, + {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)}, + {-1}, +}; + +static struct module_pin_mux adc_voltages_en[] = { + {OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)}, + {-1}, +}; + +static struct module_pin_mux asp_power_en[] = { + {OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)}, + {-1}, +}; + +static struct module_pin_mux switch_off_3v6_pin_mux[] = { + {OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)}, + /* + * The uart1 lines are made floating inputs, based on the Guardian + * A2 Sample Power Supply Schematics + */ + {OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)}, + {OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)}, + {-1}, +}; + +#ifdef CONFIG_NAND +static struct module_pin_mux nand_pin_mux[] = { + {OFFSET(gpmc_ad0), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad1), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad2), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad3), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad4), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad5), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad6), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad7), (MODE(0) | PULLUDDIS | RXACTIVE)}, +#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT + {OFFSET(gpmc_ad8), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad9), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad10), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad11), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad12), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad13), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad14), (MODE(0) | PULLUDDIS | RXACTIVE)}, + {OFFSET(gpmc_ad15), (MODE(0) | PULLUDDIS | RXACTIVE)}, +#endif + {OFFSET(gpmc_wait0), (MODE(0) | PULLUP_EN | RXACTIVE)}, + {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN)}, + {OFFSET(gpmc_csn0), (MODE(0) | PULLUP_EN)}, + {OFFSET(gpmc_wen), (MODE(0) | PULLDOWN_EN)}, + {OFFSET(gpmc_oen_ren), (MODE(0) | PULLDOWN_EN)}, + {OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)}, + {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)}, + {-1}, +}; +#endif + +void enable_uart0_pin_mux(void) +{ + configure_module_pin_mux(uart0_pin_mux); +} + +void enable_i2c0_pin_mux(void) +{ + configure_module_pin_mux(i2c0_pin_mux); +} + +void enable_board_pin_mux(void) +{ +#ifdef CONFIG_NAND + configure_module_pin_mux(nand_pin_mux); +#endif + configure_module_pin_mux(adc_voltages_en); + configure_module_pin_mux(asp_power_en); + configure_module_pin_mux(switch_off_3v6_pin_mux); +} |