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https://github.com/AsahiLinux/u-boot
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4e5909450e
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_NAND namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
177 lines
3.9 KiB
C
177 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2010
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* Ilko Iliev <iliev@ronetix.at>
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* Asen Dimov <dimov@ronetix.at>
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* Ronetix GmbH <www.ronetix.at>
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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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*/
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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/gpio.h>
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#include <asm/arch/clk.h>
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#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
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#include <net.h>
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#endif
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#include <netdev.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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* Miscelaneous platform dependent initialisations
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*/
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#ifdef CONFIG_CMD_NAND
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static void pm9g45_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_SMC;
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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->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A;
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writel(csa, &matrix->ccr[6]);
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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(0) |
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AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
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&smc->cs[3].setup);
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writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
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AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
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&smc->cs[3].pulse);
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writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
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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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AT91_SMC_MODE_DBW_8 |
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AT91_SMC_MODE_TDF_CYCLE(3),
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&smc->cs[3].mode);
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at91_periph_clk_enable(ATMEL_ID_PIOC);
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#ifdef CFG_SYS_NAND_READY_PIN
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/* Configure RDY/BSY */
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gpio_direction_input(CFG_SYS_NAND_READY_PIN);
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#endif
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/* Enable NandFlash */
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gpio_direction_output(CFG_SYS_NAND_ENABLE_PIN, 1);
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}
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#endif
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#ifdef CONFIG_MACB
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static void pm9g45_macb_hw_init(void)
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{
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/*
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* PD2 enables the 50MHz oscillator for Ethernet PHY
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* 1 - enable
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* 0 - disable
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*/
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at91_set_pio_output(AT91_PIO_PORTD, 2, 1);
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at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */
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at91_periph_clk_enable(ATMEL_ID_EMAC);
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/*
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* Disable pull-up on:
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* RXDV (PA15) => PHY normal mode (not Test mode)
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* ERX0 (PA12) => PHY ADDR0
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* ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0
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*
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* PHY has internal pull-down
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*/
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at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0);
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/* Re-enable pull-up */
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at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1);
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at91_macb_hw_init();
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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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at91_periph_clk_enable(ATMEL_ID_PIOA);
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at91_periph_clk_enable(ATMEL_ID_PIOB);
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at91_periph_clk_enable(ATMEL_ID_PIOC);
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at91_periph_clk_enable(ATMEL_ID_PIODE);
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at91_seriald_hw_init();
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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 AT91SAM9M10G45EK-Board */
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gd->bd->bi_arch_number = MACH_TYPE_PM9G45;
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/* adress of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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#ifdef CONFIG_CMD_NAND
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pm9g45_nand_hw_init();
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#endif
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#ifdef CONFIG_MACB
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pm9g45_macb_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 ramsize in gd->ram_size */
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_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 = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = CONFIG_SYS_SDRAM_SIZE;
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return 0;
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}
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#ifdef CONFIG_RESET_PHY_R
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void reset_phy(void)
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{
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#ifdef CONFIG_MACB
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/*
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* Initialize ethernet HW addr prior to starting Linux,
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* needed for nfsroot
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*/
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eth_init();
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#endif
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}
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#endif
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int board_eth_init(struct bd_info *bis)
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{
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int rc = 0;
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#ifdef CONFIG_MACB
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rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
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#endif
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return rc;
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}
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