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authorMarek Vasut <marex@denx.de>2016-05-14 23:43:01 +0200
committerAndreas Bießmann <andreas@biessmann.org>2016-06-12 23:49:38 +0200
commit1c24f13f694e94650211607dc0365d654577e259 (patch)
treee5294ccfc9cdcc92fefd428e53692442daecf516 /arch
parent885fc03aab946d3c0a842aaf32f9513e3a7c8c20 (diff)
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ARM: at91: sama5: Extend boot device autodetection
Extend the boot device autodetection from SAMA5D2 only to the entire SAMA5Dx family of microcontrollers. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andreas Bießmann <andreas.devel@googlemail.com> Cc: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Andreas Bießmann <andreas@biessmann.org> [minor compile fix for SAMA5D2] Signed-off-by: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-at91/Makefile4
-rw-r--r--arch/arm/mach-at91/include/mach/sama5_boot.h25
-rw-r--r--arch/arm/mach-at91/include/mach/sama5d2.h12
-rw-r--r--arch/arm/mach-at91/spl.c19
4 files changed, 39 insertions, 21 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index d2abf31..a908004 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -10,8 +10,8 @@ obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
obj-$(CONFIG_SAMA5D2) += bootparams_atmel.o mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
-obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
-obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
+obj-$(CONFIG_SAMA5D3) += bootparams_atmel.o mpddrc.o spl_atmel.o
+obj-$(CONFIG_SAMA5D4) += bootparams_atmel.o mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
obj-y += spl.o
endif
diff --git a/arch/arm/mach-at91/include/mach/sama5_boot.h b/arch/arm/mach-at91/include/mach/sama5_boot.h
new file mode 100644
index 0000000..8911a44
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/sama5_boot.h
@@ -0,0 +1,25 @@
+/*
+ * Boot mode definitions for the SAMA5Dx SoC
+ *
+ * Copyright (C) 2016 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SAMA5_BOOT_H
+#define __SAMA5_BOOT_H
+
+/* Boot modes stored by BootROM in r4 */
+#define ATMEL_SAMA5_BOOT_FROM_OFF 0
+#define ATMEL_SAMA5_BOOT_FROM_MASK 0xf
+#define ATMEL_SAMA5_BOOT_FROM_SPI (0 << 0)
+#define ATMEL_SAMA5_BOOT_FROM_MCI (1 << 0)
+#define ATMEL_SAMA5_BOOT_FROM_SMC (2 << 0)
+#define ATMEL_SAMA5_BOOT_FROM_TWI (3 << 0)
+#define ATMEL_SAMA5_BOOT_FROM_QSPI (4 << 0)
+#define ATMEL_SAMA5_BOOT_FROM_SAMBA (7 << 0)
+
+#define ATMEL_SAMA5_BOOT_DEV_ID_OFF 4
+#define ATMEL_SAMA5_BOOT_DEV_ID_MASK 0xf
+
+#endif /* __SAMA5_BOOT_H */
diff --git a/arch/arm/mach-at91/include/mach/sama5d2.h b/arch/arm/mach-at91/include/mach/sama5d2.h
index ee841da..25c8541 100644
--- a/arch/arm/mach-at91/include/mach/sama5d2.h
+++ b/arch/arm/mach-at91/include/mach/sama5d2.h
@@ -230,18 +230,6 @@
/* No PMECC Galois table in ROM */
#define NO_GALOIS_TABLE_IN_ROM
-/* Boot modes stored by BootROM in r4 */
-#define ATMEL_SAMA5D2_BOOT_FROM_OFF 0
-#define ATMEL_SAMA5D2_BOOT_FROM_MASK 0xf
-#define ATMEL_SAMA5D2_BOOT_FROM_SPI (0 << 0)
-#define ATMEL_SAMA5D2_BOOT_FROM_MCI (1 << 0)
-#define ATMEL_SAMA5D2_BOOT_FROM_SMC (2 << 0)
-#define ATMEL_SAMA5D2_BOOT_FROM_TWI (3 << 0)
-#define ATMEL_SAMA5D2_BOOT_FROM_QSPI (4 << 0)
-
-#define ATMEL_SAMA5D2_BOOT_DEV_ID_OFF 4
-#define ATMEL_SAMA5D2_BOOT_DEV_ID_MASK 0xf
-
#ifndef __ASSEMBLY__
unsigned int get_chip_id(void);
unsigned int get_extension_chip_id(void);
diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c
index c4ed224..f255b59 100644
--- a/arch/arm/mach-at91/spl.c
+++ b/arch/arm/mach-at91/spl.c
@@ -23,20 +23,22 @@ void at91_disable_wdt(void)
}
#endif
-#if defined(CONFIG_SAMA5D2)
+#if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \
+ defined(CONFIG_SAMA5D4)
+#include <asm/arch/sama5_boot.h>
struct {
u32 r4;
} bootrom_stash __attribute__((section(".data")));
u32 spl_boot_device(void)
{
- u32 dev = (bootrom_stash.r4 >> ATMEL_SAMA5D2_BOOT_FROM_OFF) &
- ATMEL_SAMA5D2_BOOT_FROM_MASK;
- u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5D2_BOOT_DEV_ID_OFF) &
- ATMEL_SAMA5D2_BOOT_DEV_ID_MASK;
+ u32 dev = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_FROM_OFF) &
+ ATMEL_SAMA5_BOOT_FROM_MASK;
+ u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_DEV_ID_OFF) &
+ ATMEL_SAMA5_BOOT_DEV_ID_MASK;
#if defined(CONFIG_SYS_USE_MMC)
- if (dev == ATMEL_SAMA5D2_BOOT_FROM_MCI) {
+ if (dev == ATMEL_SAMA5_BOOT_FROM_MCI) {
if (off == 0)
return BOOT_DEVICE_MMC1;
if (off == 1)
@@ -47,10 +49,13 @@ u32 spl_boot_device(void)
#endif
#if defined(CONFIG_SYS_USE_SERIALFLASH) || defined(CONFIG_SYS_USE_SPIFLASH)
- if (dev == ATMEL_SAMA5D2_BOOT_FROM_SPI)
+ if (dev == ATMEL_SAMA5_BOOT_FROM_SPI)
return BOOT_DEVICE_SPI;
#endif
+ if (dev == ATMEL_SAMA5_BOOT_FROM_SAMBA)
+ return BOOT_DEVICE_USB;
+
printf("ERROR: SMC/TWI/QSPI boot device not supported!\n"
" Boot device %i, controller number %i\n", dev, off);