diff options
| -rw-r--r-- | arch/arm/include/asm/mach/map.h | 7 | ||||
| -rw-r--r-- | arch/arm/kernel/debug.S | 14 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/core.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/highbank.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/lluart.c | 34 | ||||
| -rw-r--r-- | arch/arm/mm/mmu.c | 16 |
7 files changed, 39 insertions, 46 deletions
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h index 195ac2f9d3d..2fe141fcc8d 100644 --- a/arch/arm/include/asm/mach/map.h +++ b/arch/arm/include/asm/mach/map.h @@ -40,6 +40,13 @@ extern void iotable_init(struct map_desc *, int); extern void vm_reserve_area_early(unsigned long addr, unsigned long size, void *caller); +#ifdef CONFIG_DEBUG_LL +extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr); +extern void debug_ll_io_init(void); +#else +static inline void debug_ll_io_init(void) {} +#endif + struct mem_type; extern const struct mem_type *get_mem_type(unsigned int type); /* diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 66f711b2e0e..6809200c31f 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -100,6 +100,13 @@ ENTRY(printch) b 1b ENDPROC(printch) +ENTRY(debug_ll_addr) + addruart r2, r3, ip + str r2, [r0] + str r3, [r1] + mov pc, lr +ENDPROC(debug_ll_addr) + #else ENTRY(printascii) @@ -119,4 +126,11 @@ ENTRY(printch) mov pc, lr ENDPROC(printch) +ENTRY(debug_ll_addr) + mov r2, #0 + str r2, [r0] + str r2, [r1] + mov pc, lr +ENDPROC(debug_ll_addr) + #endif diff --git a/arch/arm/mach-highbank/Makefile b/arch/arm/mach-highbank/Makefile index 3ec8bdd25d0..8a1ef576d79 100644 --- a/arch/arm/mach-highbank/Makefile +++ b/arch/arm/mach-highbank/Makefile @@ -3,7 +3,6 @@ obj-y := highbank.o system.o smc.o plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec) -obj-$(CONFIG_DEBUG_HIGHBANK_UART) += lluart.o obj-$(CONFIG_SMP) += platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_PM_SLEEP) += pm.o diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h index 068c68795c8..80235b46cb5 100644 --- a/arch/arm/mach-highbank/core.h +++ b/arch/arm/mach-highbank/core.h @@ -5,11 +5,6 @@ extern void highbank_set_cpu_jump(int cpu, void *jump_addr); extern void highbank_clocks_init(void); extern void highbank_restart(char, const char *); extern void __iomem *scu_base_addr; -#ifdef CONFIG_DEBUG_HIGHBANK_UART -extern void highbank_lluart_map_io(void); -#else -static inline void highbank_lluart_map_io(void) {} -#endif #ifdef CONFIG_PM_SLEEP extern void highbank_pm_init(void); diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 3e60e574415..dc248167d20 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -35,6 +35,7 @@ #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> +#include <asm/mach/map.h> #include <asm/mach/time.h> #include "core.h" @@ -53,11 +54,6 @@ static void __init highbank_scu_map_io(void) scu_base_addr = ioremap(base, SZ_4K); } -static void __init highbank_map_io(void) -{ - highbank_lluart_map_io(); -} - #define HB_JUMP_TABLE_PHYS(cpu) (0x40 + (0x10 * (cpu))) #define HB_JUMP_TABLE_VIRT(cpu) phys_to_virt(HB_JUMP_TABLE_PHYS(cpu)) @@ -211,7 +207,7 @@ static const char *highbank_match[] __initconst = { DT_MACHINE_START(HIGHBANK, "Highbank") .smp = smp_ops(highbank_smp_ops), - .map_io = highbank_map_io, + .map_io = debug_ll_io_init, .init_irq = highbank_init_irq, .timer = &highbank_timer, .handle_irq = gic_handle_irq, diff --git a/arch/arm/mach-highbank/lluart.c b/arch/arm/mach-highbank/lluart.c deleted file mode 100644 index 371575019f3..00000000000 --- a/arch/arm/mach-highbank/lluart.c +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright 2011 Calxeda, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. - */ -#include <linux/init.h> -#include <asm/page.h> -#include <asm/sizes.h> -#include <asm/mach/map.h> - -#define HB_DEBUG_LL_PHYS_BASE 0xfff36000 -#define HB_DEBUG_LL_VIRT_BASE 0xfee36000 - -static struct map_desc lluart_io_desc __initdata = { - .virtual = HB_DEBUG_LL_VIRT_BASE, - .pfn = __phys_to_pfn(HB_DEBUG_LL_PHYS_BASE), - .length = SZ_4K, - .type = MT_DEVICE, -}; - -void __init highbank_lluart_map_io(void) -{ - iotable_init(&lluart_io_desc, 1); -} diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 941dfb9e9a7..39719bb93ca 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -876,6 +876,22 @@ static void __init pci_reserve_io(void) #define pci_reserve_io() do { } while (0) #endif +#ifdef CONFIG_DEBUG_LL +void __init debug_ll_io_init(void) +{ + struct map_desc map; + + debug_ll_addr(&map.pfn, &map.virtual); + if (!map.pfn || !map.virtual) + return; + map.pfn = __phys_to_pfn(map.pfn); + map.virtual &= PAGE_MASK; + map.length = PAGE_SIZE; + map.type = MT_DEVICE; + create_mapping(&map); +} +#endif + static void * __initdata vmalloc_min = (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET); |