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barebox/arch/arm/boards/freescale-vf610-twr/lowlevel.c

40 lines
815 B
C

#include <common.h>
#include <linux/sizes.h>
#include <mach/generic.h>
#include <asm/barebox-arm-head.h>
#include <asm/barebox-arm.h>
#include <mach/vf610-regs.h>
#include <mach/clock-vf610.h>
#include <mach/iomux-vf610.h>
#include <debug_ll.h>
static inline void setup_uart(void)
{
void __iomem *iomuxbase = IOMEM(VF610_IOMUXC_BASE_ADDR);
vf610_ungate_all_peripherals();
/*
* VF610_PAD_PTB4__UART1_TX
*/
writel(VF610_UART_PAD_CTRL | (2 << 20), iomuxbase + 0x0068);
writel(0, iomuxbase + 0x0380);
vf610_uart_setup_ll();
}
extern char __dtb_vf610_twr_start[];
ENTRY_FUNCTION(start_vf610_twr, r0, r1, r2)
{
void *fdt;
vf610_cpu_lowlevel_init();
if (IS_ENABLED(CONFIG_DEBUG_LL))
setup_uart();
fdt = __dtb_vf610_twr_start - get_runtime_offset();
barebox_arm_entry(0x80000000, SZ_128M, fdt);
}