mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-23 19:39:44 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/*
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* Copyright 2008 Extreme Engineering Solutions, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/processor.h>
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#include <asm/mmu.h>
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#include <asm/immap_85xx.h>
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#include <asm/fsl_pci.h>
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#include <asm/io.h>
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#include <asm/cache.h>
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#include <linux/libfdt.h>
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#include <fdt_support.h>
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#include <pca953x.h>
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extern void ft_board_pci_setup(void *blob, bd_t *bd);
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static void flash_cs_fixup(void)
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{
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int flash_sel;
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/*
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* Print boot dev and swap flash flash chip selects if booted from 2nd
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* flash. Swapping chip selects presents user with a common memory
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* map regardless of which flash was booted from.
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*/
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flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
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CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
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printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
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if (flash_sel) {
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set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
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set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
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set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
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set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
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}
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}
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int board_early_init_r(void)
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{
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/* Initialize PCA9557 devices */
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pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
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pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
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pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
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pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
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/*
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* Remap NOR flash region to caching-inhibited
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* so that flash can be erased/programmed properly.
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*/
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/* Flush d-cache and invalidate i-cache of any FLASH data */
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flush_dcache();
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invalidate_icache();
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/* Invalidate existing TLB entry for NOR flash */
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disable_tlb(0);
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set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
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(CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 0, BOOKE_PAGESZ_256M, 1);
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flash_cs_fixup();
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return 0;
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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#ifdef CONFIG_PCI
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ft_board_pci_setup(blob, bd);
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#endif
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ft_cpu_setup(blob, bd);
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return 0;
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}
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#endif
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