diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/io.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/memory.h | 102 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/serial.h | 6 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/uncompress.h | 8 | ||||
| -rw-r--r-- | arch/arm/plat-omap/io.c | 8 |
6 files changed, 21 insertions, 106 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index bb8f4a6b3e3..95732af7b20 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -14,6 +14,7 @@ config ARCH_OMAP1 select CLKDEV_LOOKUP select CLKSRC_MMIO select GENERIC_IRQ_CHIP + select NEED_MACH_MEMORY_H help "Systems based on omap7xx, omap15xx or omap16xx" diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h index 5ffbea60be4..7f2969eadb8 100644 --- a/arch/arm/plat-omap/include/plat/io.h +++ b/arch/arm/plat-omap/include/plat/io.h @@ -334,6 +334,8 @@ extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type); void omap_iounmap(volatile void __iomem *addr); +extern void __init omap_init_consistent_dma_size(void); + #endif #endif diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h deleted file mode 100644 index e6720aa2d55..00000000000 --- a/arch/arm/plat-omap/include/plat/memory.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/memory.h - * - * Memory map for OMAP-1510 and 1610 - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: Greg Lonnon <glonnon@ridgerun.com> - * - * This file was derived from arch/arm/mach-intergrator/include/mach/memory.h - * Copyright (C) 1999 ARM Limited - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_MEMORY_H -#define __ASM_ARCH_MEMORY_H - -/* - * Physical DRAM offset. - */ -#if defined(CONFIG_ARCH_OMAP1) -#define PLAT_PHYS_OFFSET UL(0x10000000) -#else -#define PLAT_PHYS_OFFSET UL(0x80000000) -#endif - -/* - * Bus address is physical address, except for OMAP-1510 Local Bus. - * OMAP-1510 bus address is translated into a Local Bus address if the - * OMAP bus type is lbus. We do the address translation based on the - * device overriding the defaults used in the dma-mapping API. - * Note that the is_lbus_device() test is not very efficient on 1510 - * because of the strncmp(). - */ -#ifdef CONFIG_ARCH_OMAP15XX - -/* - * OMAP-1510 Local Bus address offset - */ -#define OMAP1510_LB_OFFSET UL(0x30000000) - -#define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET) -#define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET) -#define is_lbus_device(dev) (cpu_is_omap15xx() && dev && (strncmp(dev_name(dev), "ohci", 4) == 0)) - -#define __arch_pfn_to_dma(dev, pfn) \ - ({ dma_addr_t __dma = __pfn_to_phys(pfn); \ - if (is_lbus_device(dev)) \ - __dma = __dma - PHYS_OFFSET + OMAP1510_LB_OFFSET; \ - __dma; }) - -#define __arch_dma_to_pfn(dev, addr) \ - ({ dma_addr_t __dma = addr; \ - if (is_lbus_device(dev)) \ - __dma += PHYS_OFFSET - OMAP1510_LB_OFFSET; \ - __phys_to_pfn(__dma); \ - }) - -#define __arch_dma_to_virt(dev, addr) ({ (void *) (is_lbus_device(dev) ? \ - lbus_to_virt(addr) : \ - __phys_to_virt(addr)); }) - -#define __arch_virt_to_dma(dev, addr) ({ unsigned long __addr = (unsigned long)(addr); \ - (dma_addr_t) (is_lbus_device(dev) ? \ - virt_to_lbus(__addr) : \ - __virt_to_phys(__addr)); }) - -#endif /* CONFIG_ARCH_OMAP15XX */ - -/* Override the ARM default */ -#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE - -#if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0) -#undef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE -#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 2 -#endif - -#define CONSISTENT_DMA_SIZE \ - (((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + 1) & ~1) * 1024 * 1024) - -#endif - -#endif - diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h index de3b10c1812..1ab9fd6abe6 100644 --- a/arch/arm/plat-omap/include/plat/serial.h +++ b/arch/arm/plat-omap/include/plat/serial.h @@ -16,8 +16,8 @@ #include <linux/init.h> /* - * Memory entry used for the DEBUG_LL UART configuration. See also - * uncompress.h and debug-macro.S. + * Memory entry used for the DEBUG_LL UART configuration, relative to + * start of RAM. See also uncompress.h and debug-macro.S. * * Note that using a memory location for storing the UART configuration * has at least two limitations: @@ -27,7 +27,7 @@ * 2. We assume printascii is called at least once before paging_init, * and addruart has a chance to read OMAP_UART_INFO */ -#define OMAP_UART_INFO (PLAT_PHYS_OFFSET + 0x3ffc) +#define OMAP_UART_INFO_OFS 0x3ffc /* OMAP1 serial ports */ #define OMAP1_UART1_BASE 0xfffb0000 diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h index a067484cc4a..2f472e989ec 100644 --- a/arch/arm/plat-omap/include/plat/uncompress.h +++ b/arch/arm/plat-omap/include/plat/uncompress.h @@ -36,7 +36,13 @@ int uart_shift; */ static void set_omap_uart_info(unsigned char port) { - *(volatile u32 *)OMAP_UART_INFO = port; + /* + * Get address of some.bss variable and round it down + * a la CONFIG_AUTO_ZRELADDR. + */ + u32 ram_start = (u32)&uart_shift & 0xf8000000; + u32 *uart_info = (u32 *)(ram_start + OMAP_UART_INFO_OFS); + *uart_info = port; } static void putc(int c) diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c index 1bbcbde7640..333871f5999 100644 --- a/arch/arm/plat-omap/io.c +++ b/arch/arm/plat-omap/io.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/mm.h> +#include <linux/dma-mapping.h> #include <plat/omap7xx.h> #include <plat/omap1510.h> @@ -145,6 +146,13 @@ void omap_iounmap(volatile void __iomem *addr) } EXPORT_SYMBOL(omap_iounmap); +void __init omap_init_consistent_dma_size(void) +{ +#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + init_consistent_dma_size(CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE << 20); +#endif +} + void __init omap_ioremap_init(void) { initialized++; |