arch-stm32f4: Remove fmc.h file

fmc.h file is no more used, remove it.
All FMC related defines are declared in drivers/ram/stm32_sdram.c
which is common to all STM32 SoCs.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

arch/arm/include/asm/arch-stm32f4/fmc.h

@@ -1,75 +0,0 @@
-/*
- * (C) Copyright 2013
- * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com
- *
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef _MACH_FMC_H_
-#define _MACH_FMC_H_
-
-struct stm32_fmc_regs {
-	u32 sdcr1;	/* Control register 1 */
-	u32 sdcr2;	/* Control register 2 */
-	u32 sdtr1;	/* Timing register 1 */
-	u32 sdtr2;	/* Timing register 2 */
-	u32 sdcmr;	/* Mode register */
-	u32 sdrtr;	/* Refresh timing register */
-	u32 sdsr;	/* Status register */
-};
-
-/*
- * FMC registers base
- */
-#define STM32_SDRAM_FMC_BASE	0xA0000140
-#define STM32_SDRAM_FMC		((struct stm32_fmc_regs *)STM32_SDRAM_FMC_BASE)
-
-/* Control register SDCR */
-#define FMC_SDCR_RPIPE_SHIFT	13	/* RPIPE bit shift */
-#define FMC_SDCR_RBURST_SHIFT	12	/* RBURST bit shift */
-#define FMC_SDCR_SDCLK_SHIFT	10	/* SDRAM clock divisor shift */
-#define FMC_SDCR_WP_SHIFT	9	/* Write protection shift */
-#define FMC_SDCR_CAS_SHIFT	7	/* CAS latency shift */
-#define FMC_SDCR_NB_SHIFT	6	/* Number of banks shift */
-#define FMC_SDCR_MWID_SHIFT	4	/* Memory width shift */
-#define FMC_SDCR_NR_SHIFT	2	/* Number of row address bits shift */
-#define FMC_SDCR_NC_SHIFT	0	/* Number of col address bits shift */
-
-/* Timings register SDTR */
-#define FMC_SDTR_TMRD_SHIFT	0	/* Load mode register to active */
-#define FMC_SDTR_TXSR_SHIFT	4	/* Exit self-refresh time */
-#define FMC_SDTR_TRAS_SHIFT	8	/* Self-refresh time */
-#define FMC_SDTR_TRC_SHIFT	12	/* Row cycle delay */
-#define FMC_SDTR_TWR_SHIFT	16	/* Recovery delay */
-#define FMC_SDTR_TRP_SHIFT	20	/* Row precharge delay */
-#define FMC_SDTR_TRCD_SHIFT	24	/* Row-to-column delay */
-
-
-#define FMC_SDCMR_NRFS_SHIFT	5
-
-#define FMC_SDCMR_MODE_NORMAL		0
-#define FMC_SDCMR_MODE_START_CLOCK	1
-#define FMC_SDCMR_MODE_PRECHARGE	2
-#define FMC_SDCMR_MODE_AUTOREFRESH	3
-#define FMC_SDCMR_MODE_WRITE_MODE	4
-#define FMC_SDCMR_MODE_SELFREFRESH	5
-#define FMC_SDCMR_MODE_POWERDOWN	6
-
-#define FMC_SDCMR_BANK_1		(1 << 4)
-#define FMC_SDCMR_BANK_2		(1 << 3)
-
-#define FMC_SDCMR_MODE_REGISTER_SHIFT	9
-
-#define FMC_SDSR_BUSY			(1 << 5)
-
-#define FMC_BUSY_WAIT()		do { \
-		__asm__ __volatile__ ("dsb" : : : "memory"); \
-		while (STM32_SDRAM_FMC->sdsr & FMC_SDSR_BUSY) \
-			; \
-	} while (0)
-
-
-#endif /* _MACH_FMC_H_ */