[U-Boot] [PATCH 1/6] ram: stm32: migrate fmc defines in driver file

[patrice.chotard at st.com]

From: Patrice Chotard <patrice.chotard at st.com>

Migrate all FMC defines from arch/arm/include/asm/arch-stm32f7/fmc.h
to drivers/ram/stm32_sdram.c

This will avoid to add an additionnal arch-stm32xx/fmc.h file when
a new stm32 family soc will be introduced.

Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
Reviewed-by: Vikas Manocha <vikas.manocha at st.com>
---
 arch/arm/include/asm/arch-stm32f7/fmc.h    | 74 ------------------------------
 board/st/stm32f746-disco/stm32f746-disco.c |  1 -
 drivers/ram/stm32_sdram.c                  | 59 +++++++++++++++++++++++-
 3 files changed, 58 insertions(+), 76 deletions(-)
 delete mode 100644 arch/arm/include/asm/arch-stm32f7/fmc.h

diff --git a/arch/arm/include/asm/arch-stm32f7/fmc.h b/arch/arm/include/asm/arch-stm32f7/fmc.h
deleted file mode 100644
index 4741e5a..0000000
--- a/arch/arm/include/asm/arch-stm32f7/fmc.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * (C) Copyright 2013
- * Pavel Boldin, Emcraft Systems, paboldin at emcraft.com
- *
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko at 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		((struct stm32_fmc_regs *)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		BIT(4)
-#define FMC_SDCMR_BANK_2		BIT(3)
-
-#define FMC_SDCMR_MODE_REGISTER_SHIFT	9
-
-#define FMC_SDSR_BUSY			BIT(5)
-
-#define FMC_BUSY_WAIT()		do { \
-		__asm__ __volatile__ ("dsb" : : : "memory"); \
-		while (STM32_SDRAM_FMC->sdsr & FMC_SDSR_BUSY) \
-			; \
-	} while (0)
-
-
-#endif /* _MACH_FMC_H_ */
diff --git a/board/st/stm32f746-disco/stm32f746-disco.c b/board/st/stm32f746-disco/stm32f746-disco.c
index fc4c60c..4314c71 100644
--- a/board/st/stm32f746-disco/stm32f746-disco.c
+++ b/board/st/stm32f746-disco/stm32f746-disco.c
@@ -13,7 +13,6 @@
 #include <asm/armv7m.h>
 #include <asm/arch/stm32.h>
 #include <asm/arch/gpio.h>
-#include <asm/arch/fmc.h>
 #include <dm/platform_data/serial_stm32x7.h>
 #include <asm/arch/stm32_periph.h>
 #include <asm/arch/stm32_defs.h>
diff --git a/drivers/ram/stm32_sdram.c b/drivers/ram/stm32_sdram.c
index 902de2b..4146b9d 100644
--- a/drivers/ram/stm32_sdram.c
+++ b/drivers/ram/stm32_sdram.c
@@ -10,11 +10,68 @@
 #include <dm.h>
 #include <ram.h>
 #include <asm/io.h>
-#include <asm/arch/fmc.h>
 #include <asm/arch/stm32.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+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		((struct stm32_fmc_regs *)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		BIT(4)
+#define FMC_SDCMR_BANK_2		BIT(3)
+
+#define FMC_SDCMR_MODE_REGISTER_SHIFT	9
+
+#define FMC_SDSR_BUSY			BIT(5)
+
+#define FMC_BUSY_WAIT()		do { \
+		__asm__ __volatile__ ("dsb" : : : "memory"); \
+		while (STM32_SDRAM_FMC->sdsr & FMC_SDSR_BUSY) \
+			; \
+	} while (0)
+
 struct stm32_sdram_control {
 	u8 no_columns;
 	u8 no_rows;
-- 
1.9.1