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https://github.com/AsahiLinux/u-boot
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c31e0c62b1
This relies on the old LCD implementation which is to be removed. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2007-2008
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* Stelian Pop <stelian@popies.net>
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* Lead Tech Design <www.leadtechdesign.com>
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* Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
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* Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*/
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#include <common.h>
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#include <init.h>
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#include <asm/global_data.h>
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#include <linux/sizes.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <asm/arch/at91sam9_smc.h>
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#include <asm/arch/at91_common.h>
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#include <asm/arch/at91_rstc.h>
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#include <asm/arch/at91_matrix.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/gpio.h>
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#include <asm/mach-types.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* ------------------------------------------------------------------------- */
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/*
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* Miscellaneous platform dependent initializations
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*/
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#ifdef CONFIG_CMD_NAND
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static void pm9263_nand_hw_init(void)
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{
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unsigned long csa;
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struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0;
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struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
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/* Enable CS3 */
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csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
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writel(csa, &matrix->csa[0]);
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/* Configure SMC CS3 for NAND/SmartMedia */
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writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
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AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
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&smc->cs[3].setup);
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writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
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AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
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&smc->cs[3].pulse);
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writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
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&smc->cs[3].cycle);
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writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
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AT91_SMC_MODE_EXNW_DISABLE |
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#ifdef CONFIG_SYS_NAND_DBW_16
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AT91_SMC_MODE_DBW_16 |
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#else /* CONFIG_SYS_NAND_DBW_8 */
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AT91_SMC_MODE_DBW_8 |
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#endif
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AT91_SMC_MODE_TDF_CYCLE(2),
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&smc->cs[3].mode);
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/* Configure RDY/BSY */
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gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
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/* Enable NandFlash */
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gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
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}
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#endif
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int board_early_init_f(void)
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{
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return 0;
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}
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int board_init(void)
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{
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/* arch number of PM9263 Board */
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gd->bd->bi_arch_number = MACH_TYPE_PM9263;
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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#ifdef CONFIG_CMD_NAND
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pm9263_nand_hw_init();
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#endif
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#ifdef CONFIG_USB_OHCI_NEW
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at91_uhp_hw_init();
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#endif
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return 0;
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}
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int dram_init(void)
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{
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/* dram_init must store complete RAM size in gd->ram_size */
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gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
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PHYS_SDRAM_SIZE);
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return 0;
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}
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int dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = PHYS_SDRAM;
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gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
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return 0;
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}
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#ifdef CONFIG_DISPLAY_BOARDINFO
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int checkboard (void)
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{
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char *ss;
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printf ("Board : Ronetix PM9263\n");
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switch (gd->fb_base) {
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case PHYS_PSRAM:
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ss = "(PSRAM)";
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break;
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case ATMEL_BASE_SRAM0:
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ss = "(Internal SRAM)";
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break;
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default:
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ss = "";
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break;
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}
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printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
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printf ("\n");
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return 0;
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}
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#endif
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