implement early_printk without an early_console
Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 34547v19.07.3_mercusys_ac12_duma
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#include <linux/io.h>
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#include <linux/serial_core.h>
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#include <adm8668.h>
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#define UART_READ(r) \
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__raw_readl((void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r)))
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#define UART_WRITE(v, r) \
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__raw_writel((v), (void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r)))
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void prom_putchar(char c)
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{
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UART_WRITE(c, UART_DR_REG);
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while ((UART_READ(UART_FR_REG) & UART_TX_FIFO_FULL) != 0)
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;
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}
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