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arch-stm32f4: Remove fmc.h file

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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>
This commit is contained in:
Patrice Chotard 2018-02-09 13:09:53 +01:00 committed by Tom Rini
parent dd1e3e799a
commit bb43fe6e45
1 changed files with 0 additions and 75 deletions
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75
arch/arm/include/asm/arch-stm32f4/fmc.h
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@ -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_ */