summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/include/mach/at91sam9_smc.h
diff options
context:
space:
mode:
authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2015-02-24 07:59:38 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2015-02-24 07:59:38 +0100
commite1cc4d31f889428a4ca73120951389c756404184 (patch)
tree4a2028c750e19f5d36d0aa7545bda7cbacea9dd4 /arch/arm/mach-at91/include/mach/at91sam9_smc.h
parent23d184d2fbc805bdd9fb41f2370cdce04a7894af (diff)
parent38dac81b3d0e777f301ca98100bfbcab01d616c2 (diff)
Merge remote-tracking branch 'u-boot/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91sam9_smc.h')
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9_smc.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
new file mode 100644
index 0000000000..d29e98e711
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
@@ -0,0 +1,76 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9_smc.h]
+ *
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * Static Memory Controllers (SMC) - System peripherals registers.
+ * Based on AT91SAM9261 datasheet revision D.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef AT91SAM9_SMC_H
+#define AT91SAM9_SMC_H
+
+#ifdef __ASSEMBLY__
+
+#ifndef ATMEL_BASE_SMC
+#define ATMEL_BASE_SMC ATMEL_BASE_SMC0
+#endif
+
+#define AT91_ASM_SMC_SETUP0 ATMEL_BASE_SMC
+#define AT91_ASM_SMC_PULSE0 (ATMEL_BASE_SMC + 0x04)
+#define AT91_ASM_SMC_CYCLE0 (ATMEL_BASE_SMC + 0x08)
+#define AT91_ASM_SMC_MODE0 (ATMEL_BASE_SMC + 0x0C)
+
+#else
+
+typedef struct at91_cs {
+ u32 setup; /* 0x00 SMC Setup Register */
+ u32 pulse; /* 0x04 SMC Pulse Register */
+ u32 cycle; /* 0x08 SMC Cycle Register */
+ u32 mode; /* 0x0C SMC Mode Register */
+} at91_cs_t;
+
+typedef struct at91_smc {
+ at91_cs_t cs[8];
+} at91_smc_t;
+
+#endif /* __ASSEMBLY__ */
+
+#define AT91_SMC_SETUP_NWE(x) (x & 0x3f)
+#define AT91_SMC_SETUP_NCS_WR(x) ((x & 0x3f) << 8)
+#define AT91_SMC_SETUP_NRD(x) ((x & 0x3f) << 16)
+#define AT91_SMC_SETUP_NCS_RD(x) ((x & 0x3f) << 24)
+
+#define AT91_SMC_PULSE_NWE(x) (x & 0x7f)
+#define AT91_SMC_PULSE_NCS_WR(x) ((x & 0x7f) << 8)
+#define AT91_SMC_PULSE_NRD(x) ((x & 0x7f) << 16)
+#define AT91_SMC_PULSE_NCS_RD(x) ((x & 0x7f) << 24)
+
+#define AT91_SMC_CYCLE_NWE(x) (x & 0x1ff)
+#define AT91_SMC_CYCLE_NRD(x) ((x & 0x1ff) << 16)
+
+#define AT91_SMC_MODE_RM_NCS 0x00000000
+#define AT91_SMC_MODE_RM_NRD 0x00000001
+#define AT91_SMC_MODE_WM_NCS 0x00000000
+#define AT91_SMC_MODE_WM_NWE 0x00000002
+
+#define AT91_SMC_MODE_EXNW_DISABLE 0x00000000
+#define AT91_SMC_MODE_EXNW_FROZEN 0x00000020
+#define AT91_SMC_MODE_EXNW_READY 0x00000030
+
+#define AT91_SMC_MODE_BAT 0x00000100
+#define AT91_SMC_MODE_DBW_8 0x00000000
+#define AT91_SMC_MODE_DBW_16 0x00001000
+#define AT91_SMC_MODE_DBW_32 0x00002000
+#define AT91_SMC_MODE_TDF_CYCLE(x) ((x & 0xf) << 16)
+#define AT91_SMC_MODE_TDF 0x00100000
+#define AT91_SMC_MODE_PMEN 0x01000000
+#define AT91_SMC_MODE_PS_4 0x00000000
+#define AT91_SMC_MODE_PS_8 0x10000000
+#define AT91_SMC_MODE_PS_16 0x20000000
+#define AT91_SMC_MODE_PS_32 0x30000000
+
+#endif