diff options
Diffstat (limited to 'arch/arm/mach-davinci')
20 files changed, 53 insertions, 90 deletions
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index 84fd78684868..26d94c0b555c 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -676,7 +676,7 @@ static void __init da830_evm_map_io(void) } MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM") - .boot_params = (DA8XX_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = da830_evm_map_io, .init_irq = cp_intc_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 008d51407cd7..6e41cb5baeb4 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -1291,7 +1291,7 @@ static void __init da850_evm_map_io(void) } MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM") - .boot_params = (DA8XX_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = da850_evm_map_io, .init_irq = cp_intc_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 241a6bd67408..65566280b7c9 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -351,7 +351,7 @@ static __init void dm355_evm_init(void) } MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM") - .boot_params = (0x80000100), + .atag_offset = 0x100, .map_io = dm355_evm_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c index bee284ca7fd6..b307470b071d 100644 --- a/arch/arm/mach-davinci/board-dm355-leopard.c +++ b/arch/arm/mach-davinci/board-dm355-leopard.c @@ -270,7 +270,7 @@ static __init void dm355_leopard_init(void) } MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard") - .boot_params = (0x80000100), + .atag_offset = 0x100, .map_io = dm355_leopard_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 9818f214d4f0..04c43abcca66 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -612,7 +612,7 @@ static __init void dm365_evm_init(void) } MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM") - .boot_params = (0x80000100), + .atag_offset = 0x100, .map_io = dm365_evm_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index 95607a191e03..a005e7691ddd 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -712,7 +712,7 @@ static __init void davinci_evm_init(void) MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM") /* Maintainer: MontaVista Software <source@mvista.com> */ - .boot_params = (DAVINCI_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = davinci_evm_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index 993a3146fd35..337c45e3e44d 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -792,7 +792,7 @@ static __init void evm_init(void) } MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM") - .boot_params = (0x80000100), + .atag_offset = 0x100, .map_io = davinci_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, @@ -801,7 +801,7 @@ MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM") MACHINE_END MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM") - .boot_params = (0x80000100), + .atag_offset = 0x100, .map_io = davinci_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c index c278226627ad..6efc84cceca0 100644 --- a/arch/arm/mach-davinci/board-mityomapl138.c +++ b/arch/arm/mach-davinci/board-mityomapl138.c @@ -566,7 +566,7 @@ static void __init mityomapl138_map_io(void) } MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808") - .boot_params = (DA8XX_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = mityomapl138_map_io, .init_irq = cp_intc_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c index d60a80028ba3..38d6f644d8b9 100644 --- a/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/arch/arm/mach-davinci/board-neuros-osd2.c @@ -272,7 +272,7 @@ static __init void davinci_ntosd2_init(void) MACHINE_START(NEUROS_OSD2, "Neuros OSD2") /* Maintainer: Neuros Technologies <neuros@groups.google.com> */ - .boot_params = (DAVINCI_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = davinci_ntosd2_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index 237332a11421..c6701e4a795c 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -338,7 +338,7 @@ static void __init omapl138_hawk_map_io(void) } MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard") - .boot_params = (DA8XX_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = omapl138_hawk_map_io, .init_irq = cp_intc_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c index 5f4385c0a089..5dd4da9d2308 100644 --- a/arch/arm/mach-davinci/board-sffsdr.c +++ b/arch/arm/mach-davinci/board-sffsdr.c @@ -151,7 +151,7 @@ static __init void davinci_sffsdr_init(void) MACHINE_START(SFFSDR, "Lyrtech SFFSDR") /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */ - .boot_params = (DAVINCI_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = davinci_sffsdr_map_io, .init_irq = davinci_irq_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c index 782892065682..90ee7b5aabdc 100644 --- a/arch/arm/mach-davinci/board-tnetv107x-evm.c +++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c @@ -277,7 +277,7 @@ console_initcall(tnetv107x_evm_console_init); #endif MACHINE_START(TNETV107X, "TNETV107X EVM") - .boot_params = (TNETV107X_DDR_BASE + 0x100), + .atag_offset = 0x100, .map_io = tnetv107x_init, .init_irq = cp_intc_init, .timer = &davinci_timer, diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c index 1d2557394235..865ffe5899ac 100644 --- a/arch/arm/mach-davinci/common.c +++ b/arch/arm/mach-davinci/common.c @@ -12,6 +12,7 @@ #include <linux/io.h> #include <linux/etherdevice.h> #include <linux/davinci_emac.h> +#include <linux/dma-mapping.h> #include <asm/tlb.h> #include <asm/mach/map.h> @@ -86,6 +87,8 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info) iotable_init(davinci_soc_info.io_desc, davinci_soc_info.io_desc_num); + init_consistent_dma_size(14 << 20); + /* * Normally devicemaps_init() would flush caches and tlb after * mdesc->map_io(), but we must also do it here because of the CPU diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c index bd59f31b8a95..0b314bf16f7f 100644 --- a/arch/arm/mach-davinci/cpuidle.c +++ b/arch/arm/mach-davinci/cpuidle.c @@ -19,7 +19,7 @@ #include <asm/proc-fns.h> #include <mach/cpuidle.h> -#include <mach/memory.h> +#include <mach/ddr2.h> #define DAVINCI_CPUIDLE_MAX_STATES 2 diff --git a/arch/arm/mach-davinci/include/mach/ddr2.h b/arch/arm/mach-davinci/include/mach/ddr2.h new file mode 100644 index 000000000000..c19e047d0e6a --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/ddr2.h @@ -0,0 +1,4 @@ +#define DDR2_SDRCR_OFFSET 0xc +#define DDR2_SRPD_BIT (1 << 23) +#define DDR2_MCLKSTOPEN_BIT (1 << 30) +#define DDR2_LPMODEN_BIT (1 << 31) diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index f8b7ea4f6235..cf94552d5274 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -18,56 +18,50 @@ #include <linux/serial_reg.h> -#include <asm/memory.h> - #include <mach/serial.h> #define UART_SHIFT 2 -#define davinci_uart_v2p(x) ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET) -#define davinci_uart_p2v(x) ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET) - .pushsection .data davinci_uart_phys: .word 0 davinci_uart_virt: .word 0 .popsection - .macro addruart, rp, rv + .macro addruart, rp, rv, tmp /* Use davinci_uart_phys/virt if already configured */ -10: mrc p15, 0, \rp, c1, c0 - tst \rp, #1 @ MMU enabled? - ldreq \rp, =davinci_uart_v2p(davinci_uart_phys) - ldrne \rp, =davinci_uart_phys - add \rv, \rp, #4 @ davinci_uart_virt - ldr \rp, [\rp, #0] - ldr \rv, [\rv, #0] +10: adr \rp, 99f @ get effective addr of 99f + ldr \rv, [\rp] @ get absolute addr of 99f + sub \rv, \rv, \rp @ offset between the two + ldr \rp, [\rp, #4] @ abs addr of omap_uart_phys + sub \tmp, \rp, \rv @ make it effective + ldr \rp, [\tmp, #0] @ davinci_uart_phys + ldr \rv, [\tmp, #4] @ davinci_uart_virt cmp \rp, #0 @ is port configured? cmpne \rv, #0 - bne 99f @ already configured + bne 100f @ already configured /* Check the debug UART address set in uncompress.h */ - mrc p15, 0, \rp, c1, c0 - tst \rp, #1 @ MMU enabled? + and \rp, pc, #0xff000000 + ldr \rv, =DAVINCI_UART_INFO_OFS + add \rp, \rp, \rv /* Copy uart phys address from decompressor uart info */ - ldreq \rv, =davinci_uart_v2p(davinci_uart_phys) - ldrne \rv, =davinci_uart_phys - ldreq \rp, =DAVINCI_UART_INFO - ldrne \rp, =davinci_uart_p2v(DAVINCI_UART_INFO) - ldr \rp, [\rp, #0] - str \rp, [\rv] + ldr \rv, [\rp, #0] + str \rv, [\tmp, #0] /* Copy uart virt address from decompressor uart info */ - ldreq \rv, =davinci_uart_v2p(davinci_uart_virt) - ldrne \rv, =davinci_uart_virt - ldreq \rp, =DAVINCI_UART_INFO - ldrne \rp, =davinci_uart_p2v(DAVINCI_UART_INFO) - ldr \rp, [\rp, #4] - str \rp, [\rv] + ldr \rv, [\rp, #4] + str \rv, [\tmp, #4] b 10b -99: + + .align +99: .word . + .word davinci_uart_phys + .ltorg + +100: .endm .macro senduart,rd,rx diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h deleted file mode 100644 index 78731944a70c..000000000000 --- a/arch/arm/mach-davinci/include/mach/memory.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * DaVinci memory space definitions - * - * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> - * - * 2007 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#ifndef __ASM_ARCH_MEMORY_H -#define __ASM_ARCH_MEMORY_H - -/************************************************************************** - * Included Files - **************************************************************************/ -#include <asm/page.h> -#include <asm/sizes.h> - -/************************************************************************** - * Definitions - **************************************************************************/ -#define DAVINCI_DDR_BASE 0x80000000 -#define DA8XX_DDR_BASE 0xc0000000 - -#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx) -#error Cannot enable DaVinci and DA8XX platforms concurrently -#elif defined(CONFIG_ARCH_DAVINCI_DA8XX) -#define PLAT_PHYS_OFFSET DA8XX_DDR_BASE -#else -#define PLAT_PHYS_OFFSET DAVINCI_DDR_BASE -#endif - -#define DDR2_SDRCR_OFFSET 0xc -#define DDR2_SRPD_BIT BIT(23) -#define DDR2_MCLKSTOPEN_BIT BIT(30) -#define DDR2_LPMODEN_BIT BIT(31) - -/* - * Increase size of DMA-consistent memory region - */ -#define CONSISTENT_DMA_SIZE (14<<20) - -#endif /* __ASM_ARCH_MEMORY_H */ diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index c9e6ce185a66..e347d88fef91 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -21,8 +21,9 @@ * macros in debug-macro.S. * * This area sits just below the page tables (see arch/arm/kernel/head.S). + * We define it as a relative offset from start of usable RAM. */ -#define DAVINCI_UART_INFO (PLAT_PHYS_OFFSET + 0x3ff8) +#define DAVINCI_UART_INFO_OFS 0x3ff8 #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h index 78d80683cdc2..9dc7cf9664fe 100644 --- a/arch/arm/mach-davinci/include/mach/uncompress.h +++ b/arch/arm/mach-davinci/include/mach/uncompress.h @@ -43,7 +43,12 @@ static inline void flush(void) static inline void set_uart_info(u32 phys, void * __iomem virt) { - u32 *uart_info = (u32 *)(DAVINCI_UART_INFO); + /* + * Get address of some.bss variable and round it down + * a la CONFIG_AUTO_ZRELADDR. + */ + u32 ram_start = (u32)&uart & 0xf8000000; + u32 *uart_info = (u32 *)(ram_start + DAVINCI_UART_INFO_OFS); uart = (u32 *)phys; uart_info[0] = phys; diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S index 5f1e045a3ad1..d4e9316ecacb 100644 --- a/arch/arm/mach-davinci/sleep.S +++ b/arch/arm/mach-davinci/sleep.S @@ -22,7 +22,7 @@ #include <linux/linkage.h> #include <asm/assembler.h> #include <mach/psc.h> -#include <mach/memory.h> +#include <mach/ddr2.h> #include "clock.h" |