avr32: Introduce arch/avr32/mach-*/include/mach

Add arch/avr32/mach-*/include to include search path and copy all the
files from include/asm/arch there. The old files will be removed once
ARM does the same change and all common drivers are converted.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

12 files changed, 550 insertions, 1 deletions

diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
index 17a3529341dd..5b46433d53a5 100644
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@@ -23,9 +23,14 @@ KBUILD_AFLAGS	+= $(cpuflags-y)
 
 CHECKFLAGS      += -D__avr32__ -D__BIG_ENDIAN
 
+machine-$(CONFIG_PLATFORM_AT32AP) := at32ap
+machdirs        := $(patsubst %,arch/avr32/mach-%/, $(machine-y))
+
+KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
+
 head-$(CONFIG_LOADER_U_BOOT)            += arch/avr32/boot/u-boot/head.o
 head-y                                  += arch/avr32/kernel/head.o
-core-$(CONFIG_PLATFORM_AT32AP)          += arch/avr32/mach-at32ap/
+core-y                                  += $(machdirs)
 core-$(CONFIG_BOARD_ATSTK1000)          += arch/avr32/boards/atstk1000/
 core-$(CONFIG_BOARD_ATNGW100)           += arch/avr32/boards/atngw100/
 core-$(CONFIG_LOADER_U_BOOT)            += arch/avr32/boot/u-boot/
diff --git a/arch/avr32/mach-at32ap/include/mach/at32ap700x.h b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h
new file mode 100644
index 000000000000..d18a3053be0d
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h
@@ -0,0 +1,49 @@
+/*
+ * Pin definitions for AT32AP7000.
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_ARCH_AT32AP700X_H__
+#define __ASM_ARCH_AT32AP700X_H__
+
+#define GPIO_PERIPH_A   0
+#define GPIO_PERIPH_B   1
+
+/*
+ * Pin numbers identifying specific GPIO pins on the chip. They can
+ * also be converted to IRQ numbers by passing them through
+ * gpio_to_irq().
+ */
+#define GPIO_PIOA_BASE  (0)
+#define GPIO_PIOB_BASE  (GPIO_PIOA_BASE + 32)
+#define GPIO_PIOC_BASE  (GPIO_PIOB_BASE + 32)
+#define GPIO_PIOD_BASE  (GPIO_PIOC_BASE + 32)
+#define GPIO_PIOE_BASE  (GPIO_PIOD_BASE + 32)
+
+#define GPIO_PIN_PA(N)  (GPIO_PIOA_BASE + (N))
+#define GPIO_PIN_PB(N)  (GPIO_PIOB_BASE + (N))
+#define GPIO_PIN_PC(N)  (GPIO_PIOC_BASE + (N))
+#define GPIO_PIN_PD(N)  (GPIO_PIOD_BASE + (N))
+#define GPIO_PIN_PE(N)  (GPIO_PIOE_BASE + (N))
+
+
+/*
+ * DMAC peripheral hardware handshaking interfaces, used with dw_dmac
+ */
+#define DMAC_MCI_RX             0
+#define DMAC_MCI_TX             1
+#define DMAC_DAC_TX             2
+#define DMAC_AC97_A_RX          3
+#define DMAC_AC97_A_TX          4
+#define DMAC_AC97_B_RX          5
+#define DMAC_AC97_B_TX          6
+#define DMAC_DMAREQ_0           7
+#define DMAC_DMAREQ_1           8
+#define DMAC_DMAREQ_2           9
+#define DMAC_DMAREQ_3           10
+
+#endif /* __ASM_ARCH_AT32AP700X_H__ */
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
new file mode 100644
index 000000000000..e60e9076544d
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -0,0 +1,121 @@
+/*
+ * Platform data definitions.
+ */
+#ifndef __ASM_ARCH_BOARD_H
+#define __ASM_ARCH_BOARD_H
+
+#include <linux/types.h>
+
+#define GPIO_PIN_NONE   (-1)
+
+/*
+ * Clock rates for various on-board oscillators. The number of entries
+ * in this array is chip-dependent.
+ */
+extern unsigned long at32_board_osc_rates[];
+  
+/* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
+void at32_add_system_devices(void);
+
+#define ATMEL_MAX_UART  4
+extern struct platform_device *atmel_default_console_device;
+
+struct atmel_uart_data {
+        short           use_dma_tx;     /* use transmit DMA? */
+        short           use_dma_rx;     /* use receive DMA? */
+        void __iomem    *regs;          /* virtual base address, if any */
+};
+void at32_map_usart(unsigned int hw_id, unsigned int line);
+struct platform_device *at32_add_device_usart(unsigned int id);
+
+struct eth_platform_data {
+        u32     phy_mask;
+        u8      is_rmii;
+};
+struct platform_device *
+at32_add_device_eth(unsigned int id, struct eth_platform_data *data);
+
+struct spi_board_info;
+struct platform_device *
+at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
+
+struct atmel_lcdfb_info;
+struct platform_device *
+at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+                     unsigned long fbmem_start, unsigned long fbmem_len,
+                     unsigned int pin_config);
+
+struct usba_platform_data;
+struct platform_device *
+at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
+
+struct ide_platform_data {
+        u8      cs;
+};
+struct platform_device *
+at32_add_device_ide(unsigned int id, unsigned int extint,
+                    struct ide_platform_data *data);
+
+/* mask says which PWM channels to mux */
+struct platform_device *at32_add_device_pwm(u32 mask);
+
+/* depending on what's hooked up, not all SSC pins will be used */
+#define ATMEL_SSC_TK            0x01
+#define ATMEL_SSC_TF            0x02
+#define ATMEL_SSC_TD            0x04
+#define ATMEL_SSC_TX            (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
+
+#define ATMEL_SSC_RK            0x10
+#define ATMEL_SSC_RF            0x20
+#define ATMEL_SSC_RD            0x40
+#define ATMEL_SSC_RX            (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
+
+struct platform_device *
+at32_add_device_ssc(unsigned int id, unsigned int flags);
+
+struct i2c_board_info;
+struct platform_device *at32_add_device_twi(unsigned int id,
+                                            struct i2c_board_info *b,
+                                            unsigned int n);
+
+struct mci_platform_data;
+struct platform_device *
+at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
+
+struct ac97c_platform_data {
+        unsigned short dma_rx_periph_id;
+        unsigned short dma_tx_periph_id;
+        unsigned short dma_controller_id;
+        int reset_pin;
+};
+struct platform_device *
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
+
+struct platform_device *at32_add_device_abdac(unsigned int id);
+struct platform_device *at32_add_device_psif(unsigned int id);
+
+struct cf_platform_data {
+        int     detect_pin;
+        int     reset_pin;
+        int     vcc_pin;
+        int     ready_pin;
+        u8      cs;
+};
+struct platform_device *
+at32_add_device_cf(unsigned int id, unsigned int extint,
+                struct cf_platform_data *data);
+
+/* NAND / SmartMedia */
+struct atmel_nand_data {
+        int     enable_pin;     /* chip enable */
+        int     det_pin;        /* card detect */
+        int     rdy_pin;        /* ready/busy */
+        u8      ale;            /* address line number connected to ALE */
+        u8      cle;            /* address line number connected to CLE */
+        u8      bus_width_16;   /* buswidth is 16 bit */
+        struct mtd_partition *(*partition_info)(int size, int *num_partitions);
+};
+struct platform_device *
+at32_add_device_nand(unsigned int id, struct atmel_nand_data *data);
+
+#endif /* __ASM_ARCH_BOARD_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/cpu.h b/arch/avr32/mach-at32ap/include/mach/cpu.h
new file mode 100644
index 000000000000..44d0bfa1f409
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/cpu.h
@@ -0,0 +1,35 @@
+/*
+ * AVR32 and (fake) AT91 CPU identification
+ *
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_ARCH_CPU_H
+#define __ASM_ARCH_CPU_H
+
+/*
+ * Only AT32AP7000 is defined for now. We can identify the specific
+ * chip at runtime, but I'm not sure if it's really worth it.
+ */
+#ifdef CONFIG_CPU_AT32AP700X
+# define cpu_is_at32ap7000()    (1)
+#else
+# define cpu_is_at32ap7000()    (0)
+#endif
+
+/*
+ * Since this is AVR32, we will never run on any AT91 CPU. But these
+ * definitions may reduce clutter in common drivers.
+ */
+#define cpu_is_at91rm9200()     (0)
+#define cpu_is_at91sam9xe()     (0)
+#define cpu_is_at91sam9260()    (0)
+#define cpu_is_at91sam9261()    (0)
+#define cpu_is_at91sam9263()    (0)
+#define cpu_is_at91sam9rl()     (0)
+#define cpu_is_at91cap9()       (0)
+
+#endif /* __ASM_ARCH_CPU_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/gpio.h b/arch/avr32/mach-at32ap/include/mach/gpio.h
new file mode 100644
index 000000000000..0180f584ef03
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/gpio.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_AVR32_ARCH_GPIO_H
+#define __ASM_AVR32_ARCH_GPIO_H
+
+#include <linux/compiler.h>
+#include <asm/irq.h>
+
+
+/* Some GPIO chips can manage IRQs; some can't.  The exact numbers can
+ * be changed if needed, but for the moment they're not configurable.
+ */
+#define ARCH_NR_GPIOS   (NR_GPIO_IRQS + 2 * 32)
+
+
+/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
+#include <asm-generic/gpio.h>
+
+static inline int gpio_get_value(unsigned int gpio)
+{
+        return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+        __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+        return __gpio_cansleep(gpio);
+}
+
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+        if (gpio < NR_GPIO_IRQS)
+                return gpio + GPIO_IRQ_BASE;
+        return -EINVAL;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+        return irq - GPIO_IRQ_BASE;
+}
+
+#endif /* __ASM_AVR32_ARCH_GPIO_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/init.h b/arch/avr32/mach-at32ap/include/mach/init.h
new file mode 100644
index 000000000000..bc40e3d46150
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/init.h
@@ -0,0 +1,18 @@
+/*
+ * AT32AP platform initialization calls.
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_AT32AP_INIT_H__
+#define __ASM_AVR32_AT32AP_INIT_H__
+
+void setup_platform(void);
+void setup_board(void);
+
+void at32_setup_serial_console(unsigned int usart_id);
+
+#endif /* __ASM_AVR32_AT32AP_INIT_H__ */
diff --git a/arch/avr32/mach-at32ap/include/mach/io.h b/arch/avr32/mach-at32ap/include/mach/io.h
new file mode 100644
index 000000000000..4ec6abc68ea3
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/io.h
@@ -0,0 +1,39 @@
+#ifndef __ASM_AVR32_ARCH_AT32AP_IO_H
+#define __ASM_AVR32_ARCH_AT32AP_IO_H
+
+/* For "bizarre" halfword swapping */
+#include <linux/byteorder/swabb.h>
+
+#if defined(CONFIG_AP700X_32_BIT_SMC)
+# define __swizzle_addr_b(addr) (addr ^ 3UL)
+# define __swizzle_addr_w(addr) (addr ^ 2UL)
+# define __swizzle_addr_l(addr) (addr)
+# define ioswabb(a, x)          (x)
+# define ioswabw(a, x)          (x)
+# define ioswabl(a, x)          (x)
+# define __mem_ioswabb(a, x)    (x)
+# define __mem_ioswabw(a, x)    swab16(x)
+# define __mem_ioswabl(a, x)    swab32(x)
+#elif defined(CONFIG_AP700X_16_BIT_SMC)
+# define __swizzle_addr_b(addr) (addr ^ 1UL)
+# define __swizzle_addr_w(addr) (addr)
+# define __swizzle_addr_l(addr) (addr)
+# define ioswabb(a, x)          (x)
+# define ioswabw(a, x)          (x)
+# define ioswabl(a, x)          swahw32(x)
+# define __mem_ioswabb(a, x)    (x)
+# define __mem_ioswabw(a, x)    swab16(x)
+# define __mem_ioswabl(a, x)    swahb32(x)
+#else
+# define __swizzle_addr_b(addr) (addr)
+# define __swizzle_addr_w(addr) (addr)
+# define __swizzle_addr_l(addr) (addr)
+# define ioswabb(a, x)          (x)
+# define ioswabw(a, x)          swab16(x)
+# define ioswabl(a, x)          swab32(x)
+# define __mem_ioswabb(a, x)    (x)
+# define __mem_ioswabw(a, x)    (x)
+# define __mem_ioswabl(a, x)    (x)
+#endif
+
+#endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/irq.h b/arch/avr32/mach-at32ap/include/mach/irq.h
new file mode 100644
index 000000000000..608e350368c7
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/irq.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_AVR32_ARCH_IRQ_H
+#define __ASM_AVR32_ARCH_IRQ_H
+
+#define EIM_IRQ_BASE    NR_INTERNAL_IRQS
+#define NR_EIM_IRQS     32
+#define AT32_EXTINT(n)  (EIM_IRQ_BASE + (n))
+
+#define GPIO_IRQ_BASE   (EIM_IRQ_BASE + NR_EIM_IRQS)
+#define NR_GPIO_CTLR    (5 /*internal*/ + 1 /*external*/)
+#define NR_GPIO_IRQS    (NR_GPIO_CTLR * 32)
+
+#define NR_IRQS         (GPIO_IRQ_BASE + NR_GPIO_IRQS)
+
+#endif /* __ASM_AVR32_ARCH_IRQ_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/pm.h b/arch/avr32/mach-at32ap/include/mach/pm.h
new file mode 100644
index 000000000000..979b355b77b6
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/pm.h
@@ -0,0 +1,51 @@
+/*
+ * AVR32 AP Power Management.
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_ARCH_PM_H
+#define __ASM_AVR32_ARCH_PM_H
+
+/* Possible arguments to the "sleep" instruction */
+#define CPU_SLEEP_IDLE          0
+#define CPU_SLEEP_FROZEN        1
+#define CPU_SLEEP_STANDBY       2
+#define CPU_SLEEP_STOP          3
+#define CPU_SLEEP_STATIC        5
+
+#ifndef __ASSEMBLY__
+extern void cpu_enter_idle(void);
+extern void cpu_enter_standby(unsigned long sdramc_base);
+
+extern bool disable_idle_sleep;
+
+static inline void cpu_disable_idle_sleep(void)
+{
+        disable_idle_sleep = true;
+}
+
+static inline void cpu_enable_idle_sleep(void)
+{
+        disable_idle_sleep = false;
+}
+
+static inline void cpu_idle_sleep(void)
+{
+        /*
+         * If we're using the COUNT and COMPARE registers for
+         * timekeeping, we can't use the IDLE state.
+         */
+        if (disable_idle_sleep)
+                cpu_relax();
+        else
+                cpu_enter_idle();
+}
+
+void intc_set_suspend_handler(unsigned long offset);
+#endif
+
+#endif /* __ASM_AVR32_ARCH_PM_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/portmux.h b/arch/avr32/mach-at32ap/include/mach/portmux.h
new file mode 100644
index 000000000000..b1abe6b4e4ef
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/portmux.h
@@ -0,0 +1,29 @@
+/*
+ * AT32 portmux interface.
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_ARCH_PORTMUX_H__
+#define __ASM_ARCH_PORTMUX_H__
+
+/*
+ * Set up pin multiplexing, called from board init only.
+ *
+ * The following flags determine the initial state of the pin.
+ */
+#define AT32_GPIOF_PULLUP       0x00000001      /* (not-OUT) Enable pull-up */
+#define AT32_GPIOF_OUTPUT       0x00000002      /* (OUT) Enable output driver */
+#define AT32_GPIOF_HIGH         0x00000004      /* (OUT) Set output high */
+#define AT32_GPIOF_DEGLITCH     0x00000008      /* (IN) Filter glitches */
+#define AT32_GPIOF_MULTIDRV     0x00000010      /* Enable multidriver option */
+
+void at32_select_periph(unsigned int pin, unsigned int periph,
+                        unsigned long flags);
+void at32_select_gpio(unsigned int pin, unsigned long flags);
+void at32_reserve_pin(unsigned int pin);
+
+#endif /* __ASM_ARCH_PORTMUX_H__ */
diff --git a/arch/avr32/mach-at32ap/include/mach/smc.h b/arch/avr32/mach-at32ap/include/mach/smc.h
new file mode 100644
index 000000000000..c98eea44a70a
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/smc.h
@@ -0,0 +1,113 @@
+/*
+ * Static Memory Controller for AT32 chips
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Inspired by the OMAP2 General-Purpose Memory Controller interface
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ARCH_AT32AP_SMC_H
+#define __ARCH_AT32AP_SMC_H
+
+/*
+ * All timing parameters are in nanoseconds.
+ */
+struct smc_timing {
+        /* Delay from address valid to assertion of given strobe */
+        int ncs_read_setup;
+        int nrd_setup;
+        int ncs_write_setup;
+        int nwe_setup;
+
+        /* Pulse length of given strobe */
+        int ncs_read_pulse;
+        int nrd_pulse;
+        int ncs_write_pulse;
+        int nwe_pulse;
+
+        /* Total cycle length of given operation */
+        int read_cycle;
+        int write_cycle;
+
+        /* Minimal recovery times, will extend cycle if needed */
+        int ncs_read_recover;
+        int nrd_recover;
+        int ncs_write_recover;
+        int nwe_recover;
+};
+
+/*
+ * All timing parameters are in clock cycles.
+ */
+struct smc_config {
+
+        /* Delay from address valid to assertion of given strobe */
+        u8              ncs_read_setup;
+        u8              nrd_setup;
+        u8              ncs_write_setup;
+        u8              nwe_setup;
+
+        /* Pulse length of given strobe */
+        u8              ncs_read_pulse;
+        u8              nrd_pulse;
+        u8              ncs_write_pulse;
+        u8              nwe_pulse;
+
+        /* Total cycle length of given operation */
+        u8              read_cycle;
+        u8              write_cycle;
+
+        /* Bus width in bytes */
+        u8              bus_width;
+
+        /*
+         * 0: Data is sampled on rising edge of NCS
+         * 1: Data is sampled on rising edge of NRD
+         */
+        unsigned int    nrd_controlled:1;
+
+        /*
+         * 0: Data is driven on falling edge of NCS
+         * 1: Data is driven on falling edge of NWR
+         */
+        unsigned int    nwe_controlled:1;
+
+        /*
+         * 0: NWAIT is disabled
+         * 1: Reserved
+         * 2: NWAIT is frozen mode
+         * 3: NWAIT in ready mode
+         */
+        unsigned int    nwait_mode:2;
+
+        /*
+         * 0: Byte select access type
+         * 1: Byte write access type
+         */
+        unsigned int    byte_write:1;
+
+        /*
+         * Number of clock cycles before data is released after
+         * the rising edge of the read controlling signal
+         *
+         * Total cycles from SMC is tdf_cycles + 1
+         */
+        unsigned int    tdf_cycles:4;
+
+        /*
+         * 0: TDF optimization disabled
+         * 1: TDF optimization enabled
+         */
+        unsigned int    tdf_mode:1;
+};
+
+extern void smc_set_timing(struct smc_config *config,
+                           const struct smc_timing *timing);
+
+extern int smc_set_configuration(int cs, const struct smc_config *config);
+extern struct smc_config *smc_get_configuration(int cs);
+
+#endif /* __ARCH_AT32AP_SMC_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/sram.h b/arch/avr32/mach-at32ap/include/mach/sram.h
new file mode 100644
index 000000000000..4838dae7601a
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/sram.h
@@ -0,0 +1,30 @@
+/*
+ * Simple SRAM allocator
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_ARCH_SRAM_H
+#define __ASM_AVR32_ARCH_SRAM_H
+
+#include <linux/genalloc.h>
+
+extern struct gen_pool *sram_pool;
+
+static inline unsigned long sram_alloc(size_t len)
+{
+        if (!sram_pool)
+                return 0UL;
+
+        return gen_pool_alloc(sram_pool, len);
+}
+
+static inline void sram_free(unsigned long addr, size_t len)
+{
+        return gen_pool_free(sram_pool, addr, len);
+}
+
+#endif /* __ASM_AVR32_ARCH_SRAM_H */