ar71xx: nuke 2.6.39 support
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files-2.6.39 / arch / mips / ar71xx / early_printk.c
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/early_printk.c b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/early_printk.c
deleted file mode 100644 (file)
index c85a04d..0000000
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- *  Atheros AR7xxx/AR9xxx SoC early printk support
- *
- *  Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
- *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- */
-
-#include <linux/errno.h>
-#include <linux/io.h>
-#include <linux/serial_reg.h>
-#include <asm/addrspace.h>
-
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/ar933x_uart.h>
-
-static void (*_prom_putchar) (unsigned char);
-
-static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val)
-{
-       u32 t;
-
-       do {
-               t = __raw_readl(reg);
-               if ((t & mask) == val)
-                       break;
-       } while (1);
-}
-
-static void prom_putchar_ar71xx(unsigned char ch)
-{
-       void __iomem *base = (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE));
-
-       prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
-       __raw_writel(ch, base + UART_TX * 4);
-       prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
-}
-
-static void prom_putchar_ar933x(unsigned char ch)
-{
-       void __iomem *base = (void __iomem *)(KSEG1ADDR(AR933X_UART_BASE));
-
-       prom_putchar_wait(base + AR933X_UART_DATA_REG, AR933X_UART_DATA_TX_CSR,
-                         AR933X_UART_DATA_TX_CSR);
-       __raw_writel(AR933X_UART_DATA_TX_CSR | ch, base + AR933X_UART_DATA_REG);
-       prom_putchar_wait(base + AR933X_UART_DATA_REG, AR933X_UART_DATA_TX_CSR,
-                         AR933X_UART_DATA_TX_CSR);
-}
-
-static void prom_putchar_dummy(unsigned char ch)
-{
-       /* nothing to do */
-}
-
-static void prom_putchar_init(void)
-{
-       void __iomem *base;
-       u32 id;
-
-       base = (void __iomem *)(KSEG1ADDR(AR71XX_RESET_BASE));
-       id = __raw_readl(base + AR71XX_RESET_REG_REV_ID);
-       id &= REV_ID_MAJOR_MASK;
-
-       switch (id) {
-       case REV_ID_MAJOR_AR71XX:
-       case REV_ID_MAJOR_AR7240:
-       case REV_ID_MAJOR_AR7241:
-       case REV_ID_MAJOR_AR7242:
-       case REV_ID_MAJOR_AR913X:
-       case REV_ID_MAJOR_AR9341:
-       case REV_ID_MAJOR_AR9342:
-       case REV_ID_MAJOR_AR9344:
-               _prom_putchar = prom_putchar_ar71xx;
-               break;
-
-       case REV_ID_MAJOR_AR9330:
-       case REV_ID_MAJOR_AR9331:
-               _prom_putchar = prom_putchar_ar933x;
-               break;
-
-       default:
-               _prom_putchar = prom_putchar_dummy;
-               break;
-       }
-}
-
-void prom_putchar(unsigned char ch)
-{
-       if (!_prom_putchar)
-               prom_putchar_init();
-
-       _prom_putchar(ch);
-}