diff options
Diffstat (limited to 'qemu/roms/u-boot/board/xes/xpedite517x/xpedite517x.c')
-rw-r--r-- | qemu/roms/u-boot/board/xes/xpedite517x/xpedite517x.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/xes/xpedite517x/xpedite517x.c b/qemu/roms/u-boot/board/xes/xpedite517x/xpedite517x.c new file mode 100644 index 000000000..b7ad34950 --- /dev/null +++ b/qemu/roms/u-boot/board/xes/xpedite517x/xpedite517x.c @@ -0,0 +1,79 @@ +/* + * Copyright 2009 Extreme Engineering Solutions, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/processor.h> +#include <fsl_ddr_sdram.h> +#include <asm/mmu.h> +#include <asm/io.h> +#include <fdt_support.h> +#include <pca953x.h> +#include "../common/fsl_8xxx_misc.h" + +#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI) +extern void ft_board_pci_setup(void *blob, bd_t *bd); +#endif + +/* + * Print out which flash was booted from and if booting from the 2nd flash, + * swap flash chip selects to maintain consistent flash numbering/addresses. + */ +static void flash_cs_fixup(void) +{ + 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_C0_FLASH_PASS_CS)); + printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1); + + if (flash_sel) { + set_lbc_br(0, CONFIG_SYS_BR1_PRELIM); + set_lbc_or(0, CONFIG_SYS_OR1_PRELIM); + + set_lbc_br(1, CONFIG_SYS_BR0_PRELIM); + set_lbc_or(1, 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); + pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0); + pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0); + + flash_cs_fixup(); + + return 0; +} + +phys_size_t initdram(int board_type) +{ + phys_size_t dram_size = fsl_ddr_sdram(); + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* Initialize and enable DDR ECC */ + ddr_enable_ecc(dram_size); +#endif + + return dram_size; +} + +#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 |