diff options
Diffstat (limited to 'board/mx31ads/mx31ads.c')
-rw-r--r-- | board/mx31ads/mx31ads.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/board/mx31ads/mx31ads.c b/board/mx31ads/mx31ads.c deleted file mode 100644 index fe26b73..0000000 --- a/board/mx31ads/mx31ads.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> - * - * 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/io.h> -#include <asm/arch/mx31.h> -#include <asm/arch/mx31-regs.h> - -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) -{ - int i; -#if 0 - /* CS0: Nor Flash */ - /* - * These are values from the RedBoot sources by Freescale. However, - * under U-Boot with this configuration 32-bit accesses don't work, - * lower 16 bits of data are read twice for each 32-bit read. - */ - __REG(CSCR_U(0)) = 0x23524E80; - __REG(CSCR_L(0)) = 0x10000D03; /* WRAP bit (1) is suspicious here, but - * disabling it doesn't help either */ - __REG(CSCR_A(0)) = 0x00720900; -#endif - - /* 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); - - /* PBC setup */ - /* Enable UART transceivers also reset the Ethernet/external UART */ - readw(CS4_BASE + 4); - - writew(0x8023, CS4_BASE + 4); - - /* RedBoot also has an empty loop with 100000 iterations here - - * clock doesn't run yet */ - for (i = 0; i < 100000; i++) - ; - - /* Clear the reset, toggle the LEDs */ - writew(0xDF, CS4_BASE + 6); - - /* clock still doesn't run */ - for (i = 0; i < 100000; i++) - ; - - /* See 1.5.4 in IMX31ADSE_PERI_BUS_CNTRL_CPLD_RM.pdf */ - readb(CS4_BASE + 8); - readb(CS4_BASE + 7); - readb(CS4_BASE + 8); - readb(CS4_BASE + 7); - - gd->bd->bi_arch_number = 447; /* board id for linux */ - gd->bd->bi_boot_params = 0x80000100; /* adress of boot parameters */ - - return 0; -} - -int checkboard(void) -{ - printf("Board: MX31ADS\n"); - return 0; -} |