diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/uncompress.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/uncompress.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h deleted file mode 100644 index 4bb644f8e87c..000000000000 --- a/arch/arm/mach-at91/include/mach/uncompress.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/uncompress.h - * - * Copyright (C) 2003 SAN People - * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_ARCH_UNCOMPRESS_H -#define __ASM_ARCH_UNCOMPRESS_H - -#include <linux/io.h> -#include <linux/atmel_serial.h> -#include <mach/hardware.h> - -#include <mach/at91_dbgu.h> -#include <mach/cpu.h> - -void __iomem *at91_uart; - -#if !defined(CONFIG_ARCH_AT91X40) -static const u32 uarts_rm9200[] = { - AT91_BASE_DBGU0, - AT91RM9200_BASE_US0, - AT91RM9200_BASE_US1, - AT91RM9200_BASE_US2, - AT91RM9200_BASE_US3, - 0, -}; - -static const u32 uarts_sam9260[] = { - AT91_BASE_DBGU0, - AT91SAM9260_BASE_US0, - AT91SAM9260_BASE_US1, - AT91SAM9260_BASE_US2, - AT91SAM9260_BASE_US3, - AT91SAM9260_BASE_US4, - AT91SAM9260_BASE_US5, - 0, -}; - -static const u32 uarts_sam9261[] = { - AT91_BASE_DBGU0, - AT91SAM9261_BASE_US0, - AT91SAM9261_BASE_US1, - AT91SAM9261_BASE_US2, - 0, -}; - -static const u32 uarts_sam9263[] = { - AT91_BASE_DBGU1, - AT91SAM9263_BASE_US0, - AT91SAM9263_BASE_US1, - AT91SAM9263_BASE_US2, - 0, -}; - -static const u32 uarts_sam9g45[] = { - AT91_BASE_DBGU1, - AT91SAM9G45_BASE_US0, - AT91SAM9G45_BASE_US1, - AT91SAM9G45_BASE_US2, - AT91SAM9G45_BASE_US3, - 0, -}; - -static const u32 uarts_sam9rl[] = { - AT91_BASE_DBGU0, - AT91SAM9RL_BASE_US0, - AT91SAM9RL_BASE_US1, - AT91SAM9RL_BASE_US2, - AT91SAM9RL_BASE_US3, - 0, -}; - -static const u32 uarts_sam9x5[] = { - AT91_BASE_DBGU0, - AT91SAM9X5_BASE_USART0, - AT91SAM9X5_BASE_USART1, - AT91SAM9X5_BASE_USART2, - 0, -}; - -static const u32 uarts_sama5[] = { - AT91_BASE_DBGU1, - SAMA5D3_BASE_USART0, - SAMA5D3_BASE_USART1, - SAMA5D3_BASE_USART2, - SAMA5D3_BASE_USART3, - 0, -}; - -static inline const u32* decomp_soc_detect(void __iomem *dbgu_base) -{ - u32 cidr, socid; - - cidr = __raw_readl(dbgu_base + AT91_DBGU_CIDR); - socid = cidr & ~AT91_CIDR_VERSION; - - switch (socid) { - case ARCH_ID_AT91RM9200: - return uarts_rm9200; - - case ARCH_ID_AT91SAM9G20: - case ARCH_ID_AT91SAM9260: - return uarts_sam9260; - - case ARCH_ID_AT91SAM9261: - return uarts_sam9261; - - case ARCH_ID_AT91SAM9263: - return uarts_sam9263; - - case ARCH_ID_AT91SAM9G45: - return uarts_sam9g45; - - case ARCH_ID_AT91SAM9RL64: - return uarts_sam9rl; - - case ARCH_ID_AT91SAM9N12: - case ARCH_ID_AT91SAM9X5: - return uarts_sam9x5; - - case ARCH_ID_SAMA5D3: - return uarts_sama5; - } - - /* at91sam9g10 */ - if ((cidr & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) { - return uarts_sam9261; - } - /* at91sam9xe */ - else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) { - return uarts_sam9260; - } - - return NULL; -} - -static inline void arch_decomp_setup(void) -{ - int i = 0; - const u32* usarts; - - usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU0); - - if (!usarts) - usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU1); - if (!usarts) { - at91_uart = NULL; - return; - } - - do { - /* physical address */ - at91_uart = (void __iomem *)usarts[i]; - - if (__raw_readl(at91_uart + ATMEL_US_BRGR)) - return; - i++; - } while (usarts[i]); - - at91_uart = NULL; -} -#else -static inline void arch_decomp_setup(void) -{ - at91_uart = NULL; -} -#endif - -/* - * The following code assumes the serial port has already been - * initialized by the bootloader. If you didn't setup a port in - * your bootloader then nothing will appear (which might be desired). - * - * This does not append a newline - */ -static void putc(int c) -{ - if (!at91_uart) - return; - - while (!(__raw_readl(at91_uart + ATMEL_US_CSR) & ATMEL_US_TXRDY)) - barrier(); - __raw_writel(c, at91_uart + ATMEL_US_THR); -} - -static inline void flush(void) -{ - if (!at91_uart) - return; - - /* wait for transmission to complete */ - while (!(__raw_readl(at91_uart + ATMEL_US_CSR) & ATMEL_US_TXEMPTY)) - barrier(); -} - -#endif |