diff options
| -rw-r--r-- | arch/arm/mach-davinci/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/board-dm355-evm.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/board-dm355-leopard.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/board-dm644x-evm.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/board-dm646x-evm.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/board-sffsdr.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/common.c | 55 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/dm355.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/common.h | 12 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/dm355.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/io.c | 38 |
13 files changed, 127 insertions, 47 deletions
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 2873149da7f..74d25f69934 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -5,7 +5,7 @@ # Common objects obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ - gpio.o devices.o dma.o usb.o + gpio.o devices.o dma.o usb.o common.o obj-$(CONFIG_DAVINCI_MUX) += mux.o obj-$(CONFIG_CP_INTC) += cp_intc.o diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 087441313dd..5ac2f565d86 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -37,6 +37,7 @@ #include <mach/serial.h> #include <mach/nand.h> #include <mach/mmc.h> +#include <mach/common.h> #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 @@ -188,7 +189,6 @@ static struct davinci_uart_config uart_config __initdata = { static void __init dm355_evm_map_io(void) { - davinci_map_common_io(); dm355_init(); } diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c index d4562f5ff93..28c9008df4f 100644 --- a/arch/arm/mach-davinci/board-dm355-leopard.c +++ b/arch/arm/mach-davinci/board-dm355-leopard.c @@ -36,6 +36,7 @@ #include <mach/serial.h> #include <mach/nand.h> #include <mach/mmc.h> +#include <mach/common.h> #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 @@ -187,7 +188,6 @@ static struct davinci_uart_config uart_config __initdata = { static void __init dm355_leopard_map_io(void) { - davinci_map_common_io(); dm355_init(); } diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index 02e7cdaf8da..cfe89c40973 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -45,6 +45,7 @@ #include <mach/psc.h> #include <mach/nand.h> #include <mach/mmc.h> +#include <mach/common.h> #define DM644X_EVM_PHY_MASK (0x2) #define DM644X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ @@ -609,7 +610,6 @@ static struct davinci_uart_config uart_config __initdata = { static void __init davinci_evm_map_io(void) { - davinci_map_common_io(); dm644x_init(); } diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index aedde3cdb82..becae51d6dd 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -47,6 +47,7 @@ #include <mach/i2c.h> #include <mach/mmc.h> #include <mach/emac.h> +#include <mach/common.h> #define DM646X_EVM_PHY_MASK (0x2) #define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ @@ -265,7 +266,6 @@ static void __init evm_init_i2c(void) static void __init davinci_map_io(void) { - davinci_map_common_io(); dm646x_init(); } diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c index 913dad93540..938b4467809 100644 --- a/arch/arm/mach-davinci/board-sffsdr.c +++ b/arch/arm/mach-davinci/board-sffsdr.c @@ -53,6 +53,7 @@ #include <mach/serial.h> #include <mach/psc.h> #include <mach/mux.h> +#include <mach/common.h> #define SFFSDR_PHY_MASK (0x2) #define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ @@ -152,7 +153,6 @@ static struct davinci_uart_config uart_config __initdata = { static void __init davinci_sffsdr_map_io(void) { - davinci_map_common_io(); dm644x_init(); } diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c new file mode 100644 index 00000000000..9a5486f5519 --- /dev/null +++ b/arch/arm/mach-davinci/common.c @@ -0,0 +1,55 @@ +/* + * Code commons to all DaVinci SoCs. + * + * Author: Mark A. Greer <mgreer@mvista.com> + * + * 2009 (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. + */ +#include <linux/module.h> +#include <linux/io.h> + +#include <asm/tlb.h> +#include <asm/mach/map.h> + +#include <mach/common.h> + +struct davinci_soc_info davinci_soc_info; +EXPORT_SYMBOL(davinci_soc_info); + +void __init davinci_common_init(struct davinci_soc_info *soc_info) +{ + int ret; + + if (!soc_info) { + ret = -EINVAL; + goto err; + } + + memcpy(&davinci_soc_info, soc_info, sizeof(struct davinci_soc_info)); + + if (davinci_soc_info.io_desc && (davinci_soc_info.io_desc_num > 0)) + iotable_init(davinci_soc_info.io_desc, + davinci_soc_info.io_desc_num); + + /* + * Normally devicemaps_init() would flush caches and tlb after + * mdesc->map_io(), but we must also do it here because of the CPU + * revision check below. + */ + local_flush_tlb_all(); + flush_cache_all(); + + /* + * We want to check CPU revision early for cpu_is_xxxx() macros. + * IO space mapping must be initialized before we can do that. + */ + davinci_check_revision(); + + return; + +err: + pr_err("davinci_common_init: SoC Initialization failed\n"); +} diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index c02115f1eb9..6d1abfdcfb7 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -16,6 +16,8 @@ #include <linux/spi/spi.h> +#include <asm/mach/map.h> + #include <mach/dm355.h> #include <mach/clock.h> #include <mach/cputype.h> @@ -23,6 +25,7 @@ #include <mach/psc.h> #include <mach/mux.h> #include <mach/irqs.h> +#include <mach/common.h> #include "clock.h" #include "mux.h" @@ -522,8 +525,23 @@ static struct platform_device dm355_edma_device = { /*----------------------------------------------------------------------*/ +static struct map_desc dm355_io_desc[] = { + { + .virtual = IO_VIRT, + .pfn = __phys_to_pfn(IO_PHYS), + .length = IO_SIZE, + .type = MT_DEVICE + }, +}; + +static struct davinci_soc_info davinci_soc_info_dm355 = { + .io_desc = dm355_io_desc, + .io_desc_num = ARRAY_SIZE(dm355_io_desc), +}; + void __init dm355_init(void) { + davinci_common_init(&davinci_soc_info_dm355); davinci_clk_init(dm355_clks); davinci_mux_register(dm355_pins, ARRAY_SIZE(dm355_pins));; } diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 0419d571bdc..79f113698b0 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -13,6 +13,8 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <asm/mach/map.h> + #include <mach/dm644x.h> #include <mach/clock.h> #include <mach/cputype.h> @@ -20,6 +22,7 @@ #include <mach/irqs.h> #include <mach/psc.h> #include <mach/mux.h> +#include <mach/common.h> #include "clock.h" #include "mux.h" @@ -463,8 +466,23 @@ void dm644x_init_emac(struct emac_platform_data *unused) {} #endif +static struct map_desc dm644x_io_desc[] = { + { + .virtual = IO_VIRT, + .pfn = __phys_to_pfn(IO_PHYS), + .length = IO_SIZE, + .type = MT_DEVICE + }, +}; + +static struct davinci_soc_info davinci_soc_info_dm644x = { + .io_desc = dm644x_io_desc, + .io_desc_num = ARRAY_SIZE(dm644x_io_desc), +}; + void __init dm644x_init(void) { + davinci_common_init(&davinci_soc_info_dm644x); davinci_clk_init(dm644x_clks); davinci_mux_register(dm644x_pins, ARRAY_SIZE(dm644x_pins)); } diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 975ed062ce2..8547ec02c9e 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -13,6 +13,8 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <asm/mach/map.h> + #include <mach/dm646x.h> #include <mach/clock.h> #include <mach/cputype.h> @@ -20,6 +22,7 @@ #include <mach/irqs.h> #include <mach/psc.h> #include <mach/mux.h> +#include <mach/common.h> #include "clock.h" #include "mux.h" @@ -442,8 +445,23 @@ void dm646x_init_emac(struct emac_platform_data *unused) {} #endif +static struct map_desc dm646x_io_desc[] = { + { + .virtual = IO_VIRT, + .pfn = __phys_to_pfn(IO_PHYS), + .length = IO_SIZE, + .type = MT_DEVICE + }, +}; + +static struct davinci_soc_info davinci_soc_info_dm646x = { + .io_desc = dm646x_io_desc, + .io_desc_num = ARRAY_SIZE(dm646x_io_desc), +}; + void __init dm646x_init(void) { + davinci_common_init(&davinci_soc_info_dm646x); davinci_clk_init(dm646x_clks); davinci_mux_register(dm646x_pins, ARRAY_SIZE(dm646x_pins)); } diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h index 19177097625..770a1baa97d 100644 --- a/arch/arm/mach-davinci/include/mach/common.h +++ b/arch/arm/mach-davinci/include/mach/common.h @@ -17,7 +17,6 @@ struct sys_timer; extern struct sys_timer davinci_timer; extern void davinci_irq_init(void); -extern void davinci_map_common_io(void); /* parameters describe VBUS sourcing for host mode */ extern void setup_usb(unsigned mA, unsigned potpgt_msec); @@ -25,4 +24,15 @@ extern void setup_usb(unsigned mA, unsigned potpgt_msec); /* parameters describe VBUS sourcing for host mode */ extern void setup_usb(unsigned mA, unsigned potpgt_msec); +/* SoC specific init support */ +struct davinci_soc_info { + struct map_desc *io_desc; + unsigned long io_desc_num; +}; + +extern struct davinci_soc_info davinci_soc_info; + +extern void davinci_common_init(struct davinci_soc_info *soc_info); +extern void davinci_check_revision(void); + #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */ diff --git a/arch/arm/mach-davinci/include/mach/dm355.h b/arch/arm/mach-davinci/include/mach/dm355.h index f7100b65899..54903b72438 100644 --- a/arch/arm/mach-davinci/include/mach/dm355.h +++ b/arch/arm/mach-davinci/include/mach/dm355.h @@ -13,10 +13,9 @@ #include <mach/hardware.h> -void __init dm355_init(void); - struct spi_board_info; +void __init dm355_init(void); void dm355_init_spi0(unsigned chipselect_mask, struct spi_board_info *info, unsigned len); diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c index a548abb513e..49912b48b1b 100644 --- a/arch/arm/mach-davinci/io.c +++ b/arch/arm/mach-davinci/io.c @@ -9,47 +9,9 @@ */ #include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> #include <linux/io.h> #include <asm/tlb.h> -#include <asm/memory.h> - -#include <asm/mach/map.h> -#include <mach/clock.h> - -extern void davinci_check_revision(void); - -/* - * The machine specific code may provide the extra mapping besides the - * default mapping provided here. - */ -static struct map_desc davinci_io_desc[] __initdata = { - { - .virtual = IO_VIRT, - .pfn = __phys_to_pfn(IO_PHYS), - .length = IO_SIZE, - .type = MT_DEVICE - }, -}; - -void __init davinci_map_common_io(void) -{ - iotable_init(davinci_io_desc, ARRAY_SIZE(davinci_io_desc)); - - /* Normally devicemaps_init() would flush caches and tlb after - * mdesc->map_io(), but we must also do it here because of the CPU - * revision check below. - */ - local_flush_tlb_all(); - flush_cache_all(); - - /* We want to check CPU revision early for cpu_is_xxxx() macros. - * IO space mapping must be initialized before we can do that. - */ - davinci_check_revision(); -} #define BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz))) #define XLATE(p, pst, vst) ((void __iomem *)((p) - (pst) + (vst))) |