+++ /dev/null
-/* arch/arm/mach-s3c2410/include/mach/uncompress.h
- *
- * Copyright (c) 2003-2007 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 - uncompress code
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_UNCOMPRESS_H
-#define __ASM_ARCH_UNCOMPRESS_H
-
-#include <mach/regs-gpio.h>
-#include <mach/map.h>
-
-/* working in physical space... */
-#undef S3C2410_GPIOREG
-#define S3C2410_GPIOREG(x) ((S3C24XX_PA_GPIO + (x)))
-
-#include <plat/uncompress.h>
-
-static inline int is_arm926(void)
-{
- unsigned int cpuid;
-
- asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (cpuid));
-
- return ((cpuid & 0xff0) == 0x260);
-}
-
-static void arch_detect_cpu(void)
-{
- unsigned int cpuid;
-
- cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1);
- cpuid &= S3C2410_GSTATUS1_IDMASK;
-
- if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 ||
- cpuid == S3C2410_GSTATUS1_2442 ||
- cpuid == S3C2410_GSTATUS1_2416 ||
- cpuid == S3C2410_GSTATUS1_2450) {
- fifo_mask = S3C2440_UFSTAT_TXMASK;
- fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
- } else {
- fifo_mask = S3C2410_UFSTAT_TXMASK;
- fifo_max = 15 << S3C2410_UFSTAT_TXSHIFT;
- }
-
- uart_base = (volatile u8 *) S3C_PA_UART +
- (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
-}
-
-#endif /* __ASM_ARCH_UNCOMPRESS_H */
+++ /dev/null
-/* arch/arm/mach-s3c6400/include/mach/uncompress.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C6400 - uncompress code
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_UNCOMPRESS_H
-#define __ASM_ARCH_UNCOMPRESS_H
-
-#include <mach/map.h>
-#include <plat/uncompress.h>
-
-static void arch_detect_cpu(void)
-{
- /* we do not need to do any cpu detection here at the moment. */
- fifo_mask = S3C2440_UFSTAT_TXMASK;
- fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
-
- uart_base = (volatile u8 *)S3C_PA_UART +
- (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
-}
-
-#endif /* __ASM_ARCH_UNCOMPRESS_H */
+++ /dev/null
-/* linux/arch/arm/mach-s5p64x0/include/mach/uncompress.h
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * S5P64X0 - uncompress code
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_UNCOMPRESS_H
-#define __ASM_ARCH_UNCOMPRESS_H
-
-#include <mach/map.h>
-#include <plat/uncompress.h>
-
-static void arch_detect_cpu(void)
-{
- unsigned int chipid;
-
- chipid = *(const volatile unsigned int __force *) 0xE0100118;
-
- if ((chipid & 0xff000) == 0x50000)
- uart_base = (volatile u8 *)S5P6450_PA_UART(CONFIG_S3C_LOWLEVEL_UART_PORT);
- else
- uart_base = (volatile u8 *)S5P6440_PA_UART(CONFIG_S3C_LOWLEVEL_UART_PORT);
-
- fifo_mask = S3C2440_UFSTAT_TXMASK;
- fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
-}
-
-#endif /* __ASM_ARCH_UNCOMPRESS_H */
+++ /dev/null
-/* arch/arm/mach-s5pc100/include/mach/uncompress.h
- *
- * Copyright 2009 Samsung Electronics Co.
- * Byungho Min <bhmin@samsung.com>
- *
- * S5PC100 - uncompress code
- *
- * Based on mach-s3c6400/include/mach/uncompress.h
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_UNCOMPRESS_H
-#define __ASM_ARCH_UNCOMPRESS_H
-
-#include <mach/map.h>
-#include <plat/uncompress.h>
-
-static void arch_detect_cpu(void)
-{
- /* we do not need to do any cpu detection here at the moment. */
- fifo_mask = S3C2440_UFSTAT_TXMASK;
- fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
-
- uart_base = (volatile u8 *)S5P_PA_UART(CONFIG_S3C_LOWLEVEL_UART_PORT);
-}
-
-#endif /* __ASM_ARCH_UNCOMPRESS_H */
+++ /dev/null
-/* linux/arch/arm/mach-s5pv210/include/mach/uncompress.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * S5PV210 - uncompress code
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_UNCOMPRESS_H
-#define __ASM_ARCH_UNCOMPRESS_H
-
-#include <mach/map.h>
-#include <plat/uncompress.h>
-
-static void arch_detect_cpu(void)
-{
- /* we do not need to do any cpu detection here at the moment. */
- fifo_mask = S5PV210_UFSTAT_TXMASK;
- fifo_max = 63 << S5PV210_UFSTAT_TXSHIFT;
-
- uart_base = (volatile u8 *)S5P_PA_UART(CONFIG_S3C_LOWLEVEL_UART_PORT);
-}
-
-#endif /* __ASM_ARCH_UNCOMPRESS_H */
+++ /dev/null
-/* arch/arm/plat-samsung/include/plat/uncompress.h
- *
- * Copyright 2003, 2007 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C - uncompress code
- *
- * 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.
-*/
-
-#ifndef __ASM_PLAT_UNCOMPRESS_H
-#define __ASM_PLAT_UNCOMPRESS_H
-
-typedef unsigned int upf_t; /* cannot include linux/serial_core.h */
-
-/* uart setup */
-
-unsigned int fifo_mask;
-unsigned int fifo_max;
-
-volatile u8 *uart_base;
-
-/* forward declerations */
-
-static void arch_detect_cpu(void);
-
-/* defines for UART registers */
-
-#include <linux/serial_s3c.h>
-
-/* working in physical space... */
-#define S3C_WDOGREG(x) ((S3C_PA_WDT + (x)))
-
-#define S3C2410_WTCON S3C_WDOGREG(0x00)
-#define S3C2410_WTDAT S3C_WDOGREG(0x04)
-#define S3C2410_WTCNT S3C_WDOGREG(0x08)
-
-#define S3C2410_WTCON_RSTEN (1 << 0)
-#define S3C2410_WTCON_ENABLE (1 << 5)
-
-#define S3C2410_WTCON_DIV128 (3 << 3)
-
-#define S3C2410_WTCON_PRESCALE(x) ((x) << 8)
-
-/* how many bytes we allow into the FIFO at a time in FIFO mode */
-#define FIFO_MAX (14)
-
-static __inline__ void
-uart_wr(unsigned int reg, unsigned int val)
-{
- volatile unsigned int *ptr;
-
- ptr = (volatile unsigned int *)(reg + uart_base);
- *ptr = val;
-}
-
-static __inline__ unsigned int
-uart_rd(unsigned int reg)
-{
- volatile unsigned int *ptr;
-
- ptr = (volatile unsigned int *)(reg + uart_base);
- return *ptr;
-}
-
-/* we can deal with the case the UARTs are being run
- * in FIFO mode, so that we don't hold up our execution
- * waiting for tx to happen...
-*/
-
-static void putc(int ch)
-{
- if (!config_enabled(CONFIG_DEBUG_LL))
- return;
-
- if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) {
- int level;
-
- while (1) {
- level = uart_rd(S3C2410_UFSTAT);
- level &= fifo_mask;
-
- if (level < fifo_max)
- break;
- }
-
- } else {
- /* not using fifos */
-
- while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE)
- barrier();
- }
-
- /* write byte to transmission register */
- uart_wr(S3C2410_UTXH, ch);
-}
-
-static inline void flush(void)
-{
-}
-
-#define __raw_writel(d, ad) \
- do { \
- *((volatile unsigned int __force *)(ad)) = (d); \
- } while (0)
-
-#ifdef CONFIG_S3C_BOOT_ERROR_RESET
-
-static void arch_decomp_error(const char *x)
-{
- putstr("\n\n");
- putstr(x);
- putstr("\n\n -- System resetting\n");
-
- __raw_writel(0x4000, S3C2410_WTDAT);
- __raw_writel(0x4000, S3C2410_WTCNT);
- __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON);
-
- while(1);
-}
-
-#define arch_error arch_decomp_error
-#endif
-
-#ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO
-static inline void arch_enable_uart_fifo(void)
-{
- u32 fifocon;
-
- if (!config_enabled(CONFIG_DEBUG_LL))
- return;
-
- fifocon = uart_rd(S3C2410_UFCON);
-
- if (!(fifocon & S3C2410_UFCON_FIFOMODE)) {
- fifocon |= S3C2410_UFCON_RESETBOTH;
- uart_wr(S3C2410_UFCON, fifocon);
-
- /* wait for fifo reset to complete */
- while (1) {
- fifocon = uart_rd(S3C2410_UFCON);
- if (!(fifocon & S3C2410_UFCON_RESETBOTH))
- break;
- }
-
- uart_wr(S3C2410_UFCON, S3C2410_UFCON_FIFOMODE);
- }
-}
-#else
-#define arch_enable_uart_fifo() do { } while(0)
-#endif
-
-
-static void
-arch_decomp_setup(void)
-{
- /* we may need to setup the uart(s) here if we are not running
- * on an BAST... the BAST will have left the uarts configured
- * after calling linux.
- */
-
- arch_detect_cpu();
-
- /* Enable the UART FIFOs if they where not enabled and our
- * configuration says we should turn them on.
- */
-
- arch_enable_uart_fifo();
-}
-
-
-#endif /* __ASM_PLAT_UNCOMPRESS_H */
projects / platform / kernel / linux-arm64.git / commitdiff