diff options
Diffstat (limited to 'src/mainboard/google/gale/cdp.c')
| -rw-r--r-- | src/mainboard/google/gale/cdp.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/mainboard/google/gale/cdp.c b/src/mainboard/google/gale/cdp.c new file mode 100644 index 0000000000..f8af96a88b --- /dev/null +++ b/src/mainboard/google/gale/cdp.c @@ -0,0 +1,72 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (c) 2012 - 2013 The Linux Foundation. All rights reserved. + * + * 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; version 2 of the License. + * + * 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. + */ + +#include <gpio.h> +#include <soc/cdp.h> +#include <soc/ebi2.h> +#include <soc/clock.h> +#include <types.h> +#include <boardid.h> + +void ipq_configure_gpio(const gpio_func_data_t *gpio, unsigned count) +{ + int i; + + for (i = 0; i < count; i++) { + gpio_tlmm_config(gpio->gpio, gpio->func, gpio->dir, + gpio->pull, gpio->drvstr, gpio->enable); + gpio++; + } +} + +static void configure_nand_gpio(void) +{ + /* EBI2 CS, CLE, ALE, WE, OE */ + gpio_tlmm_config(34, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(35, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(36, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(37, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(38, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE); + + /* EBI2 BUSY */ + gpio_tlmm_config(39, 1, 0, GPIO_PULL_UP, GPIO_10MA, GPIO_DISABLE); + + /* EBI2 D7 - D0 */ + gpio_tlmm_config(40, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(41, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(42, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(43, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(44, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(45, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(46, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); + gpio_tlmm_config(47, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE); +} + +void board_nand_init(void) +{ + struct ebi2cr_regs *ebi2_regs; + + if (board_id() != BOARD_ID_PROTO_0_2_NAND) + return; + + ebi2_regs = (struct ebi2cr_regs *) EBI2CR_BASE; + + nand_clock_config(); + configure_nand_gpio(); + + /* NAND Flash is connected to CS0 */ + clrsetbits_le32(&ebi2_regs->chip_select_cfg0, CS0_CFG_MASK, + CS0_CFG_SERIAL_FLASH_DEVICE); +} |