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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Zodiac Inflight Innovation
* Author: Andrey Smirnov <andrew.smirnov@gmail.com>
*/
#include <debug_ll.h>
#include <io.h>
#include <common.h>
#include <linux/sizes.h>
#include <mach/generic.h>
#include <asm/barebox-arm-head.h>
#include <asm/barebox-arm.h>
#include <mach/imx7-ccm-regs.h>
#include <mach/iomux-mx7.h>
#include <mach/debug_ll.h>
#include <asm/cache.h>
#include <mach/esdctl.h>
extern char __dtb_imx7d_zii_rpu2_start[];
static inline void setup_uart(void)
{
void __iomem *iomux = IOMEM(MX7_IOMUXC_BASE_ADDR);
void __iomem *ccm = IOMEM(MX7_CCM_BASE_ADDR);
writel(CCM_CCGR_SETTINGn_NEEDED(0),
ccm + CCM_CCGRn_CLR(CCM_CCGR_UART2));
writel(CCM_TARGET_ROOTn_ENABLE | UART2_CLK_ROOT__OSC_24M,
ccm + CCM_TARGET_ROOTn(UART2_CLK_ROOT));
writel(CCM_CCGR_SETTINGn_NEEDED(0),
ccm + CCM_CCGRn_SET(CCM_CCGR_UART2));
mx7_setup_pad(iomux, MX7D_PAD_UART2_TX_DATA__UART2_DCE_TX);
imx7_uart_setup_ll();
putc_ll('>');
}
ENTRY_FUNCTION(start_zii_imx7d_rpu2, r0, r1, r2)
{
imx7_cpu_lowlevel_init();
if (IS_ENABLED(CONFIG_DEBUG_LL))
setup_uart();
imx7d_barebox_entry(__dtb_imx7d_zii_rpu2_start + get_runtime_offset());
}
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