mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-08 12:16:16 +09:00
d2eaec6006
This value is not used by the network stack and is available in the global data, so stop passing it around. For the one legacy function that still expects it (init op on old Ethernet drivers) pass in the global pointer version directly to avoid changing that interface. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reported-by: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> (Trival fix to remove an unneeded variable declaration in 4xx_enet.c)
182 lines
4.0 KiB
C
182 lines
4.0 KiB
C
/*
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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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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.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_pmc.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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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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struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
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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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writel(1 << ATMEL_ID_PIOC, &pmc->pcer);
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#ifdef CONFIG_SYS_NAND_READY_PIN
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/* Configure RDY/BSY */
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gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
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#endif
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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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#ifdef CONFIG_MACB
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static void pm9g45_macb_hw_init(void)
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{
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struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
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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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/* Enable clock */
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writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
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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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struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
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/* Enable clocks for all PIOs */
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writel((1 << ATMEL_ID_PIOA) |
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(1 << ATMEL_ID_PIOB) |
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(1 << ATMEL_ID_PIOC) |
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(1 << ATMEL_ID_PIODE), &pmc->pcer);
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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 = PHYS_SDRAM + 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 *)PHYS_SDRAM,
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PHYS_SDRAM_SIZE);
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return 0;
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}
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void 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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}
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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(bd_t *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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