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author | Tom Rini <trini@konsulko.com> | 2015-09-24 16:28:02 (GMT) |
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committer | Tom Rini <trini@konsulko.com> | 2015-09-24 16:28:02 (GMT) |
commit | 7bb839d672ed3b28c7740429df4a307482868c5b (patch) | |
tree | 0713c473994463c67c13cd80c6206886509b98d6 /arch/arm/mach-uniphier/sbc/sbc-ph1-pro4.c | |
parent | ce50916ca1415da2f44931d93397d36ac0d208a2 (diff) | |
parent | a4bb44b027705f8c05fc525180cabaa3769247bb (diff) | |
download | u-boot-fsl-qoriq-7bb839d672ed3b28c7740429df4a307482868c5b.tar.xz |
Merge branch 'master' of git://git.denx.de/u-boot-uniphier
Diffstat (limited to 'arch/arm/mach-uniphier/sbc/sbc-ph1-pro4.c')
-rw-r--r-- | arch/arm/mach-uniphier/sbc/sbc-ph1-pro4.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/sbc/sbc-ph1-pro4.c b/arch/arm/mach-uniphier/sbc/sbc-ph1-pro4.c new file mode 100644 index 0000000..1032c54 --- /dev/null +++ b/arch/arm/mach-uniphier/sbc/sbc-ph1-pro4.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <linux/io.h> +#include <mach/init.h> +#include <mach/sbc-regs.h> +#include <mach/sg-regs.h> + +int ph1_pro4_sbc_init(const struct uniphier_board_data *bd) +{ + /* + * Only CS1 is connected to support card. + * BKSZ[1:0] should be set to "01". + */ + writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10); + writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11); + writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12); + writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14); + + if (boot_is_swapped()) { + /* + * Boot Swap On: boot from external NOR/SRAM + * 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff. + * + * 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank + * 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals + */ + writel(0x0000bc01, SBBASE0); + } else { + /* + * Boot Swap Off: boot from mask ROM + * 0x40000000-0x41ffffff: mask ROM + * 0x42000000-0x43efffff: memory bank (31MB) + * 0x43f00000-0x43ffffff: peripherals (1MB) + */ + writel(0x0000be01, SBBASE0); /* dummy */ + writel(0x0200be01, SBBASE1); + } + + return 0; +} |