mips: unify prom_putchar() declarations
prom_putchar() is used centrally in early printk infrastructure therefore at least MIPS should agree on the function return type. [paul.burton@mips.com: - Include linux/types.h in asm/setup.h to gain the bool typedef before we start include asm/setup.h elsewhere. - Include asm/setup.h in all files that use or define prom_putchar(). - Also standardise on signed rather than unsigned char argument.] Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19842/ Cc: linux-mips@linux-mips.org Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: Jonas Gorski <jonas.gorski@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com>
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@ -34,6 +34,7 @@
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#include <asm/bootinfo.h>
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#include <asm/idle.h>
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#include <asm/reboot.h>
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#include <asm/setup.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <asm/mach-au1x00/gpio-au1000.h>
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#include <prom.h>
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@ -60,7 +61,7 @@ void __init prom_init(void)
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add_memory_region(0, memsize, BOOT_MEM_RAM);
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}
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void prom_putchar(unsigned char c)
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void prom_putchar(char c)
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{
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alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
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}
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@ -31,6 +31,7 @@
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#include <mtd/mtd-abi.h>
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#include <asm/bootinfo.h>
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#include <asm/reboot.h>
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#include <asm/setup.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <asm/mach-au1x00/gpio-au1000.h>
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#include <asm/mach-au1x00/au1xxx_eth.h>
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@ -58,7 +59,7 @@ void __init prom_init(void)
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add_memory_region(0, memsize, BOOT_MEM_RAM);
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}
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void prom_putchar(unsigned char c)
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void prom_putchar(char c)
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{
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alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
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}
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@ -29,6 +29,7 @@
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#include <linux/pm.h>
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#include <asm/bootinfo.h>
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#include <asm/reboot.h>
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#include <asm/setup.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <prom.h>
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@ -55,7 +56,7 @@ void __init prom_init(void)
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add_memory_region(0, memsize, BOOT_MEM_RAM);
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}
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void prom_putchar(unsigned char c)
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void prom_putchar(char c)
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{
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alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
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}
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@ -14,6 +14,7 @@
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#include <asm/bootinfo.h>
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#include <asm/idle.h>
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#include <asm/reboot.h>
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#include <asm/setup.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <asm/mach-db1x00/bcsr.h>
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@ -36,7 +37,7 @@ void __init prom_init(void)
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add_memory_region(0, memsize, BOOT_MEM_RAM);
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}
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void prom_putchar(unsigned char c)
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void prom_putchar(char c)
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{
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if (alchemy_get_cputype() == ALCHEMY_CPU_AU1300)
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alchemy_uart_putchar(AU1300_UART2_PHYS_ADDR, c);
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@ -25,6 +25,7 @@
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#include <linux/string.h>
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#include <linux/io.h>
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#include <asm/bootinfo.h>
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#include <asm/setup.h>
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#include <asm/mach-ar7/ar7.h>
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#include <asm/mach-ar7/prom.h>
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@ -259,10 +260,9 @@ static inline void serial_out(int offset, int value)
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writel(value, (void *)PORT(offset));
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}
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int prom_putchar(char c)
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void prom_putchar(char c)
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{
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while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0)
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;
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serial_out(UART_TX, c);
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return 1;
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}
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@ -9,6 +9,7 @@
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#include <linux/mm.h>
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#include <linux/io.h>
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#include <linux/serial_reg.h>
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#include <asm/setup.h>
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#include "devices.h"
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#include "ar2315_regs.h"
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@ -25,7 +26,7 @@ static inline unsigned char prom_uart_rr(void __iomem *base, unsigned reg)
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return __raw_readl(base + 4 * reg);
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}
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void prom_putchar(unsigned char ch)
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void prom_putchar(char ch)
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{
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static void __iomem *base;
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@ -38,7 +39,7 @@ void prom_putchar(unsigned char ch)
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while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0)
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;
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prom_uart_wr(base, UART_TX, ch);
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prom_uart_wr(base, UART_TX, (unsigned char)ch);
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while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0)
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;
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}
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@ -13,12 +13,13 @@
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#include <linux/errno.h>
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#include <linux/serial_reg.h>
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#include <asm/addrspace.h>
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#include <asm/setup.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include <asm/mach-ath79/ar933x_uart.h>
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static void (*_prom_putchar) (unsigned char);
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static void (*_prom_putchar)(char);
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static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val)
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{
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@ -33,27 +34,28 @@ static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val)
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#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
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static void prom_putchar_ar71xx(unsigned char ch)
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static void prom_putchar_ar71xx(char ch)
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{
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void __iomem *base = (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE));
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prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
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__raw_writel(ch, base + UART_TX * 4);
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__raw_writel((unsigned char)ch, base + UART_TX * 4);
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prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
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}
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static void prom_putchar_ar933x(unsigned char ch)
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static void prom_putchar_ar933x(char ch)
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{
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void __iomem *base = (void __iomem *)(KSEG1ADDR(AR933X_UART_BASE));
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prom_putchar_wait(base + AR933X_UART_DATA_REG, AR933X_UART_DATA_TX_CSR,
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AR933X_UART_DATA_TX_CSR);
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__raw_writel(AR933X_UART_DATA_TX_CSR | ch, base + AR933X_UART_DATA_REG);
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__raw_writel(AR933X_UART_DATA_TX_CSR | (unsigned char)ch,
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base + AR933X_UART_DATA_REG);
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prom_putchar_wait(base + AR933X_UART_DATA_REG, AR933X_UART_DATA_TX_CSR,
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AR933X_UART_DATA_TX_CSR);
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}
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static void prom_putchar_dummy(unsigned char ch)
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static void prom_putchar_dummy(char ch)
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{
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/* nothing to do */
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}
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@ -92,7 +94,7 @@ static void prom_putchar_init(void)
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}
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}
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void prom_putchar(unsigned char ch)
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void prom_putchar(char ch)
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{
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if (!_prom_putchar)
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prom_putchar_init();
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@ -8,6 +8,7 @@
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#include <bcm63xx_io.h>
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#include <linux/serial_bcm63xx.h>
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#include <asm/setup.h>
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static void wait_xfered(void)
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{
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@ -1,6 +1,5 @@
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// SPDX-License-Identifier: GPL-2.0
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extern void prom_putchar(unsigned char ch);
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#include <asm/setup.h>
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void putc(char c)
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{
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@ -36,6 +36,7 @@
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#include <asm/mipsregs.h>
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#include <asm/bootinfo.h>
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#include <asm/sections.h>
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#include <asm/setup.h>
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#include <asm/time.h>
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#include <asm/octeon/octeon.h>
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* Emit one character to the boot UART. Exported for use by the
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* watchdog timer.
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*/
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int prom_putchar(char c)
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void prom_putchar(char c)
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{
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uint64_t lsrval;
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@ -1119,7 +1120,6 @@ int prom_putchar(char c)
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/* Write the byte */
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cvmx_write_csr(CVMX_MIO_UARTX_THR(octeon_uart), c & 0xffull);
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return 1;
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}
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EXPORT_SYMBOL(prom_putchar);
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@ -12,6 +12,7 @@
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#include <linux/init.h>
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#include <linux/console.h>
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#include <linux/fs.h>
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#include <asm/setup.h>
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#include <asm/sgialib.h>
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static void prom_console_write(struct console *co, const char *s,
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@ -9,6 +9,7 @@
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#include <linux/kernel.h>
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#include <asm/sgialib.h>
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#include <asm/bcache.h>
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#include <asm/setup.h>
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/*
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* IP22 boardcache is not compatible with board caches. Thus we disable it
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@ -19,6 +19,7 @@
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#include <asm/mipsprom.h>
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#include <asm/mipsregs.h>
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#include <asm/bootinfo.h>
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#include <asm/setup.h>
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/* special SNI prom calls */
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/*
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@ -2,8 +2,10 @@
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#ifndef _MIPS_SETUP_H
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#define _MIPS_SETUP_H
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#include <linux/types.h>
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#include <uapi/asm/setup.h>
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extern void prom_putchar(char);
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extern void setup_early_printk(void);
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#ifdef CONFIG_EARLY_PRINTK_8250
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@ -31,7 +31,6 @@ extern int prom_flags;
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#define PROM_FLAG_DONT_FREE_TEMP 4
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/* Simple char-by-char console I/O. */
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extern void prom_putchar(char c);
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extern char prom_getchar(void);
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/* Get next memory descriptor after CURR, returns first descriptor
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void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr);
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void txx9_sio_init(unsigned long baseaddr, int irq,
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unsigned int line, unsigned int sclk, int nocts);
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void prom_putchar(char c);
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#ifdef CONFIG_EARLY_PRINTK
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extern void (*txx9_prom_putchar)(char c);
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void txx9_sio_putchar_init(unsigned long baseaddr);
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#include <asm/setup.h>
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extern void prom_putchar(char);
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static void early_console_write(struct console *con, const char *s, unsigned n)
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{
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while (n-- && *s) {
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#include <linux/io.h>
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#include <linux/serial_core.h>
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#include <linux/serial_reg.h>
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#include <asm/setup.h>
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static void __iomem *serial8250_base;
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static unsigned int serial8250_reg_shift;
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#include <linux/cpu.h>
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#include <lantiq_soc.h>
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#include <asm/setup.h>
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#define ASC_BUF 1024
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#define LTQ_ASC_FSTAT ((u32 *)(LTQ_EARLY_ASC + 0x0048))
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@ -13,6 +13,7 @@
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#include <asm/bootinfo.h>
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#include <asm/lasat/lasat.h>
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#include <asm/cpu.h>
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#include <asm/setup.h>
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#include "at93c.h"
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#include <asm/lasat/eeprom.h>
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* option) any later version.
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*/
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#include <linux/serial_reg.h>
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#include <asm/setup.h>
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#include <loongson.h>
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#include <linux/serial_reg.h>
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#include <asm/mipsregs.h>
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#include <asm/setup.h>
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#include <asm/netlogic/haldefs.h>
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#include <asm/netlogic/common.h>
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#include <linux/kernel.h>
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#include <linux/virtio_console.h>
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#include <linux/kvm_para.h>
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#include <asm/setup.h>
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/*
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* Emit one character to the boot console.
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*/
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int prom_putchar(char c)
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void prom_putchar(char c)
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{
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kvm_hypercall3(KVM_HC_MIPS_CONSOLE_OUTPUT, 0 /* port 0 */,
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(unsigned long)&c, 1 /* len == 1 */);
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return 1;
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}
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#ifdef CONFIG_VIRTIO_CONSOLE
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*/
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#include <asm/mach-pic32/pic32.h>
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#include <asm/fw/fw.h>
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#include <asm/setup.h>
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#include "pic32mzda.h"
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#include "early_pin.h"
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setup_early_console(port, baud);
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}
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int prom_putchar(char c)
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void prom_putchar(char c)
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{
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if (console_port >= 0) {
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while (__raw_readl(
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__raw_writel(c, uart_base + U_TXR(console_port));
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}
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return 1;
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}
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@ -10,6 +10,7 @@
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#include <linux/serial_reg.h>
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#include <asm/addrspace.h>
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#include <asm/setup.h>
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#ifdef CONFIG_SOC_RT288X
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#define EARLY_UART_BASE 0x300c00
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}
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}
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void prom_putchar(unsigned char ch)
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void prom_putchar(char ch)
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{
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if (!init_complete) {
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find_uart_base();
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}
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if (IS_ENABLED(CONFIG_SOC_MT7621) || soc_is_mt7628()) {
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uart_w32(ch, UART_TX);
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uart_w32((unsigned char)ch, UART_TX);
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while ((uart_r32(UART_REG_LSR) & UART_LSR_THRE) == 0)
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;
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} else {
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while ((uart_r32(UART_REG_LSR_RT2880) & UART_LSR_THRE) == 0)
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;
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uart_w32(ch, UART_REG_TX);
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uart_w32((unsigned char)ch, UART_REG_TX);
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while ((uart_r32(UART_REG_LSR_RT2880) & UART_LSR_THRE) == 0)
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;
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}
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*/
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#include <asm/page.h>
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#include <asm/setup.h>
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#include <asm/sn/addrs.h>
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#include <asm/sn/sn0/hub.h>
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#include <asm/sn/klconfig.h>
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#include <asm/bootinfo.h>
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#include <asm/reboot.h>
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#include <asm/setup.h>
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#include <asm/sibyte/board.h>
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#include <asm/smp-ops.h>
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#include <asm/reboot.h>
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#include <asm/r4kcache.h>
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#include <asm/sections.h>
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#include <asm/setup.h>
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#include <asm/txx9/generic.h>
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#include <asm/txx9/pci.h>
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#include <asm/txx9tmr.h>
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