diff options
Diffstat (limited to 'board/xes/xpedite5200/xpedite5200.c')
| -rw-r--r-- | board/xes/xpedite5200/xpedite5200.c | 125 | 
1 files changed, 125 insertions, 0 deletions
| diff --git a/board/xes/xpedite5200/xpedite5200.c b/board/xes/xpedite5200/xpedite5200.c new file mode 100644 index 000000000..e266d1dd8 --- /dev/null +++ b/board/xes/xpedite5200/xpedite5200.c @@ -0,0 +1,125 @@ +/* + * Copyright 2008 Extreme Engineering Solutions, Inc. + * Copyright 2004, 2007 Freescale Semiconductor, Inc. + * + * 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 <command.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <asm/immap_fsl_pci.h> +#include <asm/io.h> +#include <asm/cache.h> +#include <asm/mmu.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <pca953x.h> + +extern void ft_board_pci_setup(void *blob, bd_t *bd); + +int checkboard(void) +{ +	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); +	volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); + +	char *s; + +	printf("Board: X-ES %s PMC\n", CONFIG_SYS_BOARD_NAME); +	printf("       "); +	s = getenv("board_rev"); +	if (s) +		printf("Rev %s, ", s); +	s = getenv("serial#"); +	if (s) +		printf("Serial# %s, ", s); +	s = getenv("board_cfg"); +	if (s) +		printf("Cfg %s", s); +	printf("\n"); + +	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */ +	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */ +	ecm->eedr = 0xffffffff;		/* Clear ecm errors */ +	ecm->eeer = 0xffffffff;		/* Enable ecm errors */ + +	return 0; +} + +static void flash_cs_fixup(void) +{ +	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); +	int flash_sel; + +	/* +	 * Print boot dev and swap flash flash chip selects if booted from 2nd +	 * flash.  Swapping chip selects presents user with a common memory +	 * map regardless of which flash was booted from. +	 */ +	flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) & +			CONFIG_SYS_PCA953X_FLASH_PASS_CS)); +	printf("FLASH: Executed from FLASH%d\n", flash_sel ? 2 : 1); + +	if (flash_sel) { +		lbc->br0 = CONFIG_SYS_BR1_PRELIM; +		lbc->or0 = CONFIG_SYS_OR1_PRELIM; + +		lbc->br1 = CONFIG_SYS_BR0_PRELIM; +		lbc->or1 = CONFIG_SYS_OR0_PRELIM; +	} +} + +int board_early_init_r(void) +{ +	/* Initialize PCA9557 devices */ +	pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0); +	pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0); + +	/* +	 * Remap NOR flash region to caching-inhibited +	 * so that flash can be erased/programmed properly. +	 */ + +	/* Flush d-cache and invalidate i-cache of any FLASH data */ +	flush_dcache(); +	invalidate_icache(); + +	/* Invalidate existing TLB entry for NOR flash */ +	disable_tlb(0); +	set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000), +		(CONFIG_SYS_FLASH_BASE2 & 0xf0000000), +		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +		0, 0, BOOKE_PAGESZ_256M, 1); + +	flash_cs_fixup(); + +	return 0; +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ +#ifdef CONFIG_PCI +	ft_board_pci_setup(blob, bd); +#endif +	ft_cpu_setup(blob, bd); +} +#endif |