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https://github.com/AsahiLinux/u-boot
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87e29878ca
This board runs a P5020 or P5040 chip, and utilizes an EEPROM with similar formatting to the Freescale P5020DS. Large amounts of this code were developed by Adrian Cox <adrian at humboldt dot co dot uk> Signed-off-by: Andy Fleming <afleming@gmail.com> Reviewed-by: York Sun <yorksun@freescale.com>
116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
/*
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* Based on corenet_ds.c
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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 <netdev.h>
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#include <linux/compiler.h>
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#include <asm/mmu.h>
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#include <asm/processor.h>
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#include <asm/cache.h>
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#include <asm/immap_85xx.h>
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#include <asm/fsl_law.h>
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#include <asm/fsl_serdes.h>
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#include <asm/fsl_portals.h>
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#include <asm/fsl_liodn.h>
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#include <fm_eth.h>
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#include <pci.h>
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#include "cyrus.h"
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#include "../common/eeprom.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define GPIO_OPENDRAIN 0x30000000
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#define GPIO_DIR 0x3c000004
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#define GPIO_INITIAL 0x30000000
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#define GPIO_VGA_SWITCH 0x00001000
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int checkboard(void)
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{
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printf("Board: CYRUS\n");
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return 0;
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}
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int board_early_init_f(void)
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{
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ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
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/*
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* Only use DDR1_MCK0/3 and DDR2_MCK0/3
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* disable DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce
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* the noise introduced by these unterminated and unused clock pairs.
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*/
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setbits_be32(&gur->ddrclkdr, 0x001B001B);
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/* Set GPIO reset lines to open-drain, tristate */
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setbits_be32(&pgpio->gpdat, GPIO_INITIAL);
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setbits_be32(&pgpio->gpodr, GPIO_OPENDRAIN);
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/* Set GPIO Direction */
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setbits_be32(&pgpio->gpdir, GPIO_DIR);
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return 0;
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}
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int board_early_init_r(void)
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{
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fsl_lbc_t *lbc = LBC_BASE_ADDR;
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out_be32(&lbc->lbcr, 0);
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/* 1 clock LALE cycle */
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out_be32(&lbc->lcrr, 0x80000000 | CONFIG_SYS_LBC_LCRR);
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set_liodns();
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#ifdef CONFIG_SYS_DPAA_QBMAN
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setup_portals();
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#endif
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print_lbc_regs();
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return 0;
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}
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int misc_init_r(void)
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{
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return 0;
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}
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int ft_board_setup(void *blob, bd_t *bd)
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{
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phys_addr_t base;
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phys_size_t size;
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ft_cpu_setup(blob, bd);
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base = getenv_bootm_low();
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size = getenv_bootm_size();
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fdt_fixup_memory(blob, (u64)base, (u64)size);
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#ifdef CONFIG_PCI
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pci_of_setup(blob, bd);
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#endif
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fdt_fixup_liodn(blob);
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fdt_fixup_dr_usb(blob, bd);
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#ifdef CONFIG_SYS_DPAA_FMAN
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fdt_fixup_fman_ethernet(blob);
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#endif
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return 0;
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}
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int mac_read_from_eeprom(void)
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{
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init_eeprom(CONFIG_SYS_EEPROM_BUS_NUM,
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CONFIG_SYS_I2C_EEPROM_ADDR,
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN);
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return mac_read_from_eeprom_common();
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}
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