| /* |
| * Copyright (C) 2009 Juergen Beisert |
| * |
| * 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 |
| * |
| */ |
| |
| /** |
| * @file |
| * @brief a9m2410dev Baseboad specific initialization routines |
| * |
| */ |
| |
| #include <common.h> |
| #include <driver.h> |
| #include <init.h> |
| #include <asm/io.h> |
| #include <mach/s3c24x0-iomap.h> |
| |
| /** |
| * Initialize the CPU to be able to work with the a9m2410dev evaluation board |
| */ |
| int a9m2410dev_devices_init(void) |
| { |
| unsigned int reg; |
| |
| /* ---------- configure the GPIOs ------------- */ |
| writel(0x007FFFFF, GPACON); |
| writel(0x00000000, GPCCON); |
| writel(0x00000000, GPCUP); |
| writel(0x00000000, GPDCON); |
| writel(0x00000000, GPDUP); |
| writel(0xAAAAAAAA, GPECON); |
| writel(0x0000E03F, GPEUP); |
| writel(0x00000000, GPBCON); /* all inputs */ |
| writel(0x00000007, GPBUP); /* pullup disabled for GPB0..3 */ |
| writel(0x00009000, GPFCON); /* GPF7 CLK_INT#, GPF6 Debug-LED */ |
| writel(0x000000FF, GPFUP); |
| writel(readl(GPGDAT) | 0x1010, GPGDAT); /* switch off IDLE_SW#, switch off LCD backlight */ |
| writel(0x0100A93A, GPGCON); /* switch on USB device */ |
| writel(0x0000F000, GPGUP); |
| writel(0x0029FAAA, GPHCON); |
| |
| writel((1 << 12) | (0 << 11), GPJDAT); |
| writel(0x0016aaaa, GPJCON); |
| writel(~((0<<12)| (1<<11)), GPJUP); |
| |
| writel((0 << 12) | (0 << 11), GPJDAT); |
| writel(0x0016aaaa, GPJCON); |
| writel(0x00001fff, GPJUP); |
| |
| writel(0x00000000, DSC0); |
| writel(0x00000000, DSC1); |
| |
| /* |
| * USB port1 normal, USB port0 normal, USB1 pads for device |
| * PCLK output on CLKOUT0, UPLL CLK output on CLKOUT1, |
| */ |
| writel((readl(MISCCR) & ~0xFFFF) | 0x0140, MISCCR); |
| |
| /* ----------- configure the access to the outer space ---------- */ |
| reg = readl(BWSCON); |
| |
| /* CS#1 to access the network controller */ |
| reg &= ~0xf0; |
| reg |= 0xe0; |
| writel(0x1350, BANKCON1); |
| |
| /* CS#2 to the dual 16550 UART */ |
| reg &= ~0xf00; |
| reg |= 0x400; |
| writel(0x0d50, BANKCON2); |
| |
| writel(reg, BWSCON); |
| |
| /* release the reset signal to the network and UART device */ |
| reg = readl(MISCCR); |
| reg |= 0x10000; |
| writel(reg, MISCCR); |
| |
| return 0; |
| } |