+++ /dev/null
-/*
- * arch/arm/mach-at91/include/mach/at91_dbgu.h
- *
- * Copyright (C) 2005 Ivan Kokshaysky
- * Copyright (C) SAN People
- *
- * Debug Unit (DBGU) - System peripherals registers.
- * Based on AT91RM9200 datasheet revision E.
- *
- * 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.
- */
-
-#ifndef AT91_DBGU_H
-#define AT91_DBGU_H
-
-#define AT91_DBGU_CR (0x00) /* Control Register */
-#define AT91_DBGU_MR (0x04) /* Mode Register */
-#define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */
-#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
-#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
-#define AT91_DBGU_IDR (0x0c) /* Interrupt Disable Register */
-#define AT91_DBGU_IMR (0x10) /* Interrupt Mask Register */
-#define AT91_DBGU_SR (0x14) /* Status Register */
-#define AT91_DBGU_RHR (0x18) /* Receiver Holding Register */
-#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */
-#define AT91_DBGU_BRGR (0x20) /* Baud Rate Generator Register */
-
-#define AT91_DBGU_CIDR (0x40) /* Chip ID Register */
-#define AT91_DBGU_EXID (0x44) /* Chip ID Extension Register */
-#define AT91_DBGU_FNR (0x48) /* Force NTRST Register [SAM9 only] */
-#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
-
-/*
- * Some AT91 parts that don't have full DEBUG units still support the ID
- * and extensions register.
- */
-#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
-#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
-#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
-#define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */
-#define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */
-#define AT91_CIDR_SRAMSIZ_1K (1 << 16)
-#define AT91_CIDR_SRAMSIZ_2K (2 << 16)
-#define AT91_CIDR_SRAMSIZ_112K (4 << 16)
-#define AT91_CIDR_SRAMSIZ_4K (5 << 16)
-#define AT91_CIDR_SRAMSIZ_80K (6 << 16)
-#define AT91_CIDR_SRAMSIZ_160K (7 << 16)
-#define AT91_CIDR_SRAMSIZ_8K (8 << 16)
-#define AT91_CIDR_SRAMSIZ_16K (9 << 16)
-#define AT91_CIDR_SRAMSIZ_32K (10 << 16)
-#define AT91_CIDR_SRAMSIZ_64K (11 << 16)
-#define AT91_CIDR_SRAMSIZ_128K (12 << 16)
-#define AT91_CIDR_SRAMSIZ_256K (13 << 16)
-#define AT91_CIDR_SRAMSIZ_96K (14 << 16)
-#define AT91_CIDR_SRAMSIZ_512K (15 << 16)
-#define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */
-#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
-#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
-
-#endif
+++ /dev/null
-/*
- * 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;
-
-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_sama5d3[] = {
- AT91_BASE_DBGU1,
- SAMA5D3_BASE_USART0,
- SAMA5D3_BASE_USART1,
- SAMA5D3_BASE_USART2,
- SAMA5D3_BASE_USART3,
- 0,
-};
-
-static const u32 uarts_sama5d4[] = {
- AT91_BASE_DBGU2,
- SAMA5D4_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_SAMA5:
- cidr = __raw_readl(dbgu_base + AT91_DBGU_EXID);
- if (cidr & ARCH_EXID_SAMA5D3)
- return uarts_sama5d3;
- else if (cidr & ARCH_EXID_SAMA5D4)
- return uarts_sama5d4;
-
- break;
- }
-
- /* 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)
- usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU2);
- 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;
-}
-
-/*
- * 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
projects / karo-tx-linux.git / commitdiff