diff options
Diffstat (limited to 'board/Marvell/dkb/dkb.c')
-rw-r--r-- | board/Marvell/dkb/dkb.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/board/Marvell/dkb/dkb.c b/board/Marvell/dkb/dkb.c new file mode 100644 index 0000000..4a9abee --- /dev/null +++ b/board/Marvell/dkb/dkb.c @@ -0,0 +1,101 @@ +/* + * (C) Copyright 2011 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Lei Wen <leiwen@marvell.com> + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <mvmfp.h> +#include <i2c.h> +#include <asm/arch/mfp.h> +#include <asm/arch/cpu.h> +#ifdef CONFIG_GENERIC_MMC +#include <sdhci.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + u32 mfp_cfg[] = { + /* Enable Console on UART2 */ + MFP47_UART2_RXD, + MFP48_UART2_TXD, + + /* I2C */ + MFP53_CI2C_SCL, + MFP54_CI2C_SDA, + + /* MMC1 */ + MFP_MMC1_DAT7, + MFP_MMC1_DAT6, + MFP_MMC1_DAT5, + MFP_MMC1_DAT4, + MFP_MMC1_DAT3, + MFP_MMC1_DAT2, + MFP_MMC1_DAT1, + MFP_MMC1_DAT0, + MFP_MMC1_CMD, + MFP_MMC1_CLK, + MFP_MMC1_CD, + MFP_MMC1_WP, + + MFP_EOC /*End of configureation*/ + }; + /* configure MFP's */ + mfp_config(mfp_cfg); + + return 0; +} + +int board_init(void) +{ + /* arch number of Board */ + gd->bd->bi_arch_number = MACH_TYPE_TTC_DKB; + /* adress of boot parameters */ + gd->bd->bi_boot_params = panth_sdram_base(0) + 0x100; + return 0; +} + +#ifdef CONFIG_GENERIC_MMC +#define I2C_SLAVE_ADDR 0x34 +#define LDO13_REG 0x28 +#define LDO_V30 0x6 +#define LDO_VOLTAGE(x) ((x & 0x7) << 1) +#define LDO_EN 0x1 +int board_mmc_init(bd_t *bd) +{ + ulong mmc_base_address[CONFIG_SYS_MMC_NUM] = CONFIG_SYS_MMC_BASE; + u8 i, data; + + /* set LDO 13 to 3.0v */ + data = LDO_VOLTAGE(LDO_V30) | LDO_EN; + i2c_write(I2C_SLAVE_ADDR, LDO13_REG, 1, &data, 1); + + for (i = 0; i < CONFIG_SYS_MMC_NUM; i++) { + if (mv_sdh_init(mmc_base_address[i], 0, 0, + SDHCI_QUIRK_32BIT_DMA_ADDR)) + return 1; + } + + return 0; +} +#endif |