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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Ahmad Fatoum, Pengutronix
*/
#include <common.h>
#include <init.h>
#include <mach/barebox-arm.h>
#include <mach/sama5d2_ll.h>
#include <mach/iomux.h>
#include <mach/xload.h>
#include <debug_ll.h>
#include <mach/sama5d2-sip-ddramc.h>
#define RGB_LED_GREEN (1 << 0)
#define RGB_LED_RED (1 << 1)
#define RGB_LED_BLUE (1 << 2)
/* PCK = 492MHz, MCK = 164MHz */
#define MASTER_CLOCK 164000000
static void ek_turn_led(unsigned color)
{
struct {
void __iomem *pio;
unsigned bit;
unsigned color;
} *led, leds[] = {
{ .pio = SAMA5D2_BASE_PIOA, .bit = 10, .color = color & RGB_LED_RED },
{ .pio = SAMA5D2_BASE_PIOB, .bit = 1, .color = color & RGB_LED_GREEN },
{ .pio = SAMA5D2_BASE_PIOA, .bit = 31, .color = color & RGB_LED_BLUE },
{ /* sentinel */ },
};
for (led = leds; led->pio; led++) {
at91_mux_gpio4_enable(led->pio, BIT(led->bit));
at91_mux_gpio4_input(led->pio, BIT(led->bit), false);
at91_mux_gpio4_set(led->pio, BIT(led->bit), led->color);
}
}
SAMA5_ENTRY_FUNCTION(start_sama5d27_som1_ek_xload_mmc, r4)
{
void __iomem *dbgu_base;
sama5d2_lowlevel_init();
dbgu_base = sama5d2_resetup_uart_console(MASTER_CLOCK);
putc_ll('>');
relocate_to_current_adr();
setup_c();
pbl_set_putc(at91_dbgu_putc, dbgu_base);
ek_turn_led(RGB_LED_RED | RGB_LED_GREEN); /* Yellow */
sama5d2_udelay_init(MASTER_CLOCK);
sama5d2_d1g_ddrconf();
sama5d2_sdhci_start_image(r4);
}
extern char __dtb_z_at91_sama5d27_som1_ek_start[];
SAMA5_ENTRY_FUNCTION(start_sama5d27_som1_ek, r4)
{
void *fdt;
putc_ll('>');
fdt = __dtb_z_at91_sama5d27_som1_ek_start + get_runtime_offset();
ek_turn_led(RGB_LED_GREEN);
sama5d2_barebox_entry(r4, fdt);
}
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