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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a081568d70
As per the corresponding change to the serial drivers, arrange for ARM decompressors to give CRLF. Move the common putstr code into misc.c such that machines only need to supply "putc" and "flush" functions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* linux/include/asm-arm/arch-iop3xx/uncompress.h
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*/
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#include <linux/config.h>
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#include <asm/types.h>
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#include <asm/mach-types.h>
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#include <linux/serial_reg.h>
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#include <asm/hardware.h>
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#ifdef CONFIG_ARCH_IOP321
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#define UTYPE unsigned char *
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#elif defined(CONFIG_ARCH_IOP331)
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#define UTYPE u32 *
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#else
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#error "Missing IOP3xx arch type def"
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#endif
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static volatile UTYPE uart_base;
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#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
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static inline void putc(char c)
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{
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while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
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barrier();
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*uart_base = c;
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}
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static inline void flush(void)
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{
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}
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static __inline__ void __arch_decomp_setup(unsigned long arch_id)
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{
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if(machine_is_iq80321())
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uart_base = (volatile UTYPE)IQ80321_UART;
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else if(machine_is_iq31244())
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uart_base = (volatile UTYPE)IQ31244_UART;
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else if(machine_is_iq80331() || machine_is_iq80332())
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uart_base = (volatile UTYPE)IOP331_UART0_PHYS;
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else
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uart_base = (volatile UTYPE)0xfe800000;
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}
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/*
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* nothing to do
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*/
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#define arch_decomp_setup() __arch_decomp_setup(arch_id)
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#define arch_decomp_wdog()
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