diff options
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-pxa/include/mach/uncompress.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/arm/mach-pxa/include/mach/uncompress.h b/arch/arm/mach-pxa/include/mach/uncompress.h deleted file mode 100644 index 1ed629e38ce6..000000000000 --- a/arch/arm/mach-pxa/include/mach/uncompress.h +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-pxa/include/mach/uncompress.h - * - * Author: Nicolas Pitre - * Copyright: (C) 2001 MontaVista Software Inc. - */ - -#include <linux/serial_reg.h> -#include <asm/mach-types.h> - -#define FFUART_BASE (0x40100000) -#define BTUART_BASE (0x40200000) -#define STUART_BASE (0x40700000) - -unsigned long uart_base; -unsigned int uart_shift; -unsigned int uart_is_pxa; - -static inline unsigned char uart_read(int offset) -{ - return *(volatile unsigned char *)(uart_base + (offset << uart_shift)); -} - -static inline void uart_write(unsigned char val, int offset) -{ - *(volatile unsigned char *)(uart_base + (offset << uart_shift)) = val; -} - -static inline int uart_is_enabled(void) -{ - /* assume enabled by default for non-PXA uarts */ - return uart_is_pxa ? uart_read(UART_IER) & UART_IER_UUE : 1; -} - -static inline void putc(char c) -{ - if (!uart_is_enabled()) - return; - - while (!(uart_read(UART_LSR) & UART_LSR_THRE)) - barrier(); - - uart_write(c, UART_TX); -} - -/* - * This does not append a newline - */ -static inline void flush(void) -{ -} - -static inline void arch_decomp_setup(void) -{ - /* initialize to default */ - uart_base = FFUART_BASE; - uart_shift = 2; - uart_is_pxa = 1; - - if (machine_is_littleton() || machine_is_csb726() || - machine_is_cm_x300() || machine_is_balloon3()) - uart_base = STUART_BASE; - - if (machine_is_arcom_zeus()) { - uart_base = 0x10000000; /* nCS4 */ - uart_shift = 1; - uart_is_pxa = 0; - } -} |