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- /*
- * Setup code for SAMA5 Evaluation Kits with Device Tree support
- *
- * Copyright (C) 2013 Atmel,
- * 2013 Ludovic Desroches <ludovic.desroches@atmel.com>
- *
- * Licensed under GPLv2 or later.
- */
- #include <linux/types.h>
- #include <linux/init.h>
- #include <linux/module.h>
- #include <linux/gpio.h>
- #include <linux/micrel_phy.h>
- #include <linux/of.h>
- #include <linux/of_irq.h>
- #include <linux/of_platform.h>
- #include <linux/phy.h>
- #include <asm/setup.h>
- #include <asm/irq.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/map.h>
- #include <asm/mach/irq.h>
- #include "at91_aic.h"
- #include "generic.h"
- static const struct of_device_id irq_of_match[] __initconst = {
- { .compatible = "atmel,sama5d3-aic", .data = at91_aic5_of_init },
- { /*sentinel*/ }
- };
- static void __init at91_dt_init_irq(void)
- {
- of_irq_init(irq_of_match);
- }
- static int ksz9021rn_phy_fixup(struct phy_device *phy)
- {
- int value;
- #define GMII_RCCPSR 260
- #define GMII_RRDPSR 261
- #define GMII_ERCR 11
- #define GMII_ERDWR 12
- /* Set delay values */
- value = GMII_RCCPSR | 0x8000;
- phy_write(phy, GMII_ERCR, value);
- value = 0xF2F4;
- phy_write(phy, GMII_ERDWR, value);
- value = GMII_RRDPSR | 0x8000;
- phy_write(phy, GMII_ERCR, value);
- value = 0x2222;
- phy_write(phy, GMII_ERDWR, value);
- return 0;
- }
- static void __init sama5_dt_device_init(void)
- {
- if (of_machine_is_compatible("atmel,sama5d3xcm") &&
- IS_ENABLED(CONFIG_PHYLIB))
- phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
- ksz9021rn_phy_fixup);
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
- }
- static const char *sama5_dt_board_compat[] __initdata = {
- "atmel,sama5",
- NULL
- };
- DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)")
- /* Maintainer: Atmel */
- .init_time = at91sam926x_pit_init,
- .map_io = at91_map_io,
- .handle_irq = at91_aic5_handle_irq,
- .init_early = at91_dt_initialize,
- .init_irq = at91_dt_init_irq,
- .init_machine = sama5_dt_device_init,
- .dt_compat = sama5_dt_board_compat,
- MACHINE_END
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