projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| bfe18815 JS |
1 | /* |
| 2 | * Copyright 2010 Extreme Engineering Solutions, Inc. | |
| 3 | * | |
| 1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
| bfe18815 JS |
5 | */ |
| 6 | ||
| 7 | #include <common.h> | |
| 8 | #include <command.h> | |
| 9 | #include <asm/processor.h> | |
| 10 | #include <asm/mmu.h> | |
| 11 | #include <asm/immap_85xx.h> | |
| 12 | #include <asm/fsl_pci.h> | |
| 13 | #include <asm/io.h> | |
| 14 | #include <asm/cache.h> | |
| 15 | #include <libfdt.h> | |
| 16 | #include <fdt_support.h> | |
| 17 | #include <pca953x.h> | |
| 18 | ||
| 19 | DECLARE_GLOBAL_DATA_PTR; | |
| 20 | ||
| 21 | extern void ft_board_pci_setup(void *blob, bd_t *bd); | |
| 22 | ||
| 23 | static void flash_cs_fixup(void) | |
| 24 | { | |
| 25 | int flash_sel; | |
| 26 | ||
| 27 | /* | |
| 28 | * Print boot dev and swap flash flash chip selects if booted from 2nd | |
| 29 | * flash. Swapping chip selects presents user with a common memory | |
| 30 | * map regardless of which flash was booted from. | |
| 31 | */ | |
| 32 | flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) & | |
| 33 | CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS)); | |
| eddf52b5 | 34 | printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1); |
| bfe18815 JS |
35 | |
| 36 | if (flash_sel) { | |
| 37 | set_lbc_br(0, CONFIG_SYS_BR1_PRELIM); | |
| 38 | set_lbc_or(0, CONFIG_SYS_OR1_PRELIM); | |
| 39 | ||
| 40 | set_lbc_br(1, CONFIG_SYS_BR0_PRELIM); | |
| 41 | set_lbc_or(1, CONFIG_SYS_OR0_PRELIM); | |
| 42 | } | |
| 43 | } | |
| 44 | ||
| 45 | int board_early_init_r(void) | |
| 46 | { | |
| 47 | /* Initialize PCA9557 devices */ | |
| 48 | pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0); | |
| 49 | pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0); | |
| 50 | pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0); | |
| 51 | pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0); | |
| 52 | ||
| 53 | /* | |
| 54 | * Remap NOR flash region to caching-inhibited | |
| 55 | * so that flash can be erased/programmed properly. | |
| 56 | */ | |
| 57 | ||
| 58 | /* Flush d-cache and invalidate i-cache of any FLASH data */ | |
| 59 | flush_dcache(); | |
| 60 | invalidate_icache(); | |
| 61 | ||
| 62 | /* Invalidate existing TLB entry for NOR flash */ | |
| 63 | disable_tlb(0); | |
| 64 | set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000), | |
| 65 | (CONFIG_SYS_FLASH_BASE2 & 0xf0000000), | |
| 66 | MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, | |
| 67 | 0, 0, BOOKE_PAGESZ_256M, 1); | |
| 68 | ||
| 69 | flash_cs_fixup(); | |
| 70 | ||
| 71 | return 0; | |
| 72 | } | |
| 73 | ||
| 74 | #if defined(CONFIG_OF_BOARD_SETUP) | |
| 75 | void ft_board_setup(void *blob, bd_t *bd) | |
| 76 | { | |
| 77 | #ifdef CONFIG_PCI | |
| 78 | ft_board_pci_setup(blob, bd); | |
| 79 | #endif | |
| 80 | ft_cpu_setup(blob, bd); | |
| 81 | } | |
| 82 | #endif |