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Diffstat (limited to 'board/netstal/mcu25/mcu25.c')
| -rw-r--r-- | board/netstal/mcu25/mcu25.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/board/netstal/mcu25/mcu25.c b/board/netstal/mcu25/mcu25.c deleted file mode 100644 index 36fb388..0000000 --- a/board/netstal/mcu25/mcu25.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - *(C) Copyright 2005-2008 Netstal Maschinen AG - * Niklaus Giger (Niklaus.Giger@netstal.com) - * - * This source code is free software; you can redistribute it - * and/or modify it in source code form 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/ppc4xx.h> -#include <asm/processor.h> -#include <asm/io.h> -#include <asm/u-boot.h> -#include "../common/nm.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define MCU25_SLOT_ADDRESS (0x7A000000 + 0x0A) -#define MCU25_DIGITAL_IO_REGISTER (0x7A000000 + 0xc0) - -#define MCU25_LED_REGISTER_ADDRESS (0x7C000000 + 0x10) -#define MCU25_VERSIONS_REGISTER (0x7C000000 + 0x0C) -#define MCU25_IO_CONFIGURATION (0x7C000000 + 0x0e) -#define MCU_SW_INSTALL_REQUESTED 0x08 - -#define SDRAM_LEN (32 << 20) /* 32 MB - RAM */ - -/* - * This function is run very early, out of flash, and before devices are - * initialized. It is called by arch/powerpc/lib/board.c:board_init_f by virtue - * of being in the init_sequence array. - * - * The SDRAM has been initialized already -- start.S:start called - * init.S:init_sdram early on -- but it is not yet being used for - * anything, not even stack. So be careful. - */ - -/* Attention: If you want 1 microsecs times from the external oscillator - * 0x00004051 is okay for u-boot/linux, but different from old vxworks values - * 0x00804051 causes problems with u-boot and linux! - */ -#define CPC0_CR0_VALUE 0x0007F03C -#define CPC0_CR1_VALUE 0x00004051 - -int board_early_init_f (void) -{ - /* Documented in A-1171 - * - * Interrupt controller setup for the MCU25 board. - * Note: IRQ 0-15 405GP internally generated; high; level sensitive - * IRQ 16 405GP internally generated; low; level sensitive - * IRQ 17-24 RESERVED/UNUSED - * IRQ 31 (EXT IRQ 6) (unused) - */ - mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ - mtdcr(UIC0ER, 0x00000000); /* disable all ints */ - mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical */ - mtdcr(UIC0PR, 0xFFFFE000); /* set int polarities */ - mtdcr(UIC0TR, 0x00000000); /* set int trigger levels */ - mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ - - mtdcr(CPC0_CR1, CPC0_CR1_VALUE); - mtdcr(CPC0_ECR, 0x60606000); - mtdcr(CPC0_EIRR, 0x7C000000); - out32(GPIO0_OR, CONFIG_SYS_GPIO0_OR ); - out32(GPIO0_TCR, CONFIG_SYS_GPIO0_TCR); - out32(GPIO0_ODR, CONFIG_SYS_GPIO0_ODR); - mtspr(SPRN_CCR0, 0x00700000); - - return 0; -} - -#ifdef CONFIG_BOARD_PRE_INIT -int board_pre_init (void) -{ - return board_early_init_f (); -} -#endif - -int sys_install_requested(void) -{ - u16 ioValue = in_be16((u16 *)MCU25_DIGITAL_IO_REGISTER); - return (ioValue & MCU_SW_INSTALL_REQUESTED) != 0; -} - -int checkboard (void) -{ - u16 boardVersReg = in_be16((u16 *)MCU25_VERSIONS_REGISTER); - u16 hwConfig = in_be16((u16 *)MCU25_IO_CONFIGURATION); - u16 generation = boardVersReg & 0x0f; - u16 index = boardVersReg & 0xf0; - - /* Cannot be done in board_early_init */ - mtdcr(CPC0_CR0, CPC0_CR0_VALUE); - - /* Force /RTS to active. The board it not wired quite - * correctly to use cts/rtc flow control, so just force the - * /RST active and forget about it. - */ - writeb (readb (0xef600404) | 0x03, 0xef600404); - nm_show_print(generation, index, hwConfig); - return 0; -} - -u32 hcu_led_get(void) -{ - return in_be16((u16 *)MCU25_LED_REGISTER_ADDRESS) & 0x3ff; -} - -/* - * hcu_led_set value to be placed into the LEDs (max 6 bit) - */ -void hcu_led_set(u32 value) -{ - out_be16((u16 *)MCU25_LED_REGISTER_ADDRESS, value); -} - -/* - * hcu_get_slot - */ -u32 hcu_get_slot(void) -{ - u16 slot = in_be16((u16 *)MCU25_SLOT_ADDRESS); - return slot & 0x7f; -} - -/* - * get_serial_number - */ -u32 get_serial_number(void) -{ - u32 serial = in_be32((u32 *)CONFIG_SYS_FLASH_BASE); - - if (serial == 0xffffffff) - return 0; - - return serial; -} - - -/* - * misc_init_r. - */ - -int misc_init_r(void) -{ - common_misc_init_r(); - set_params_for_sw_install( sys_install_requested(), "mcu25" ); - return 0; -} - -phys_size_t initdram(int board_type) -{ - unsigned int dram_size = 64*1024*1024; - init_ppc405_sdram(dram_size); - -#ifdef DEBUG - show_sdram_registers(); -#endif - - return dram_size; -} - -#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) -void ft_board_setup(void *blob, bd_t *bd) -{ - ft_cpu_setup(blob, bd); - -} -#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ - -/* - * Hardcoded flash setup: - * Flash 0 is a non-CFI AMD AM29F040 flash, 8 bit flash / 8 bit bus. - */ -ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info) -{ - if (banknum == 0) { /* non-CFI boot flash */ - info->portwidth = 1; - info->chipwidth = 1; - info->interface = FLASH_CFI_X8; - return 1; - } else - return 0; -} |