/* * * (c) 2007 Pengutronix, Sascha Hauer * * 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 #include #include DECLARE_GLOBAL_DATA_PTR; int dram_init (void) { gd->bd->bi_dram[0].start = PHYS_SDRAM_1; gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; return 0; } int board_init (void) { __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */ __REG(CSCR_L(0)) = 0xa0330d01; __REG(CSCR_A(0)) = 0x00220800; __REG(CSCR_U(4)) = 0x0000dcf6; /* CS4: Network Controller */ __REG(CSCR_L(4)) = 0x444a4541; __REG(CSCR_A(4)) = 0x44443302; /* setup pins for UART1 */ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); mx31_gpio_mux(MUX_RTS1__UART1_CTS_B); /* SPI2 */ mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS2); mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SCLK); mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SPI_RDY); mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_MOSI); mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_MISO); mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS0); mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS1); /* start SPI2 clock */ __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); gd->bd->bi_arch_number = MACH_TYPE_MX31LITE; /* board id for linux */ gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */ return 0; } int checkboard (void) { printf("Board: i.MX31 Litekit\n"); return 0; }