diff options
Diffstat (limited to 'arch/arm/include/asm/arch-uniphier/umc-regs.h')
| -rw-r--r-- | arch/arm/include/asm/arch-uniphier/umc-regs.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-uniphier/umc-regs.h b/arch/arm/include/asm/arch-uniphier/umc-regs.h new file mode 100644 index 0000000000..6159281fd3 --- /dev/null +++ b/arch/arm/include/asm/arch-uniphier/umc-regs.h @@ -0,0 +1,119 @@ +/* + * UniPhier UMC (Universal Memory Controller) registers + * + * Copyright (C) 2011-2014 Panasonic Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef ARCH_UMC_REGS_H +#define ARCH_UMC_REGS_H + +#define UMC_BASE 0x5b800000 + +/* SSIF registers */ +#define UMC_SSIF_BASE UMC_BASE + +#define UMC_CPURST 0x00000700 +#define UMC_IDSRST 0x0000070C +#define UMC_IXMRST 0x00000714 +#define UMC_HDMRST 0x00000718 +#define UMC_MDMRST 0x0000071C +#define UMC_HDDRST 0x00000720 +#define UMC_MDDRST 0x00000724 +#define UMC_SIORST 0x00000728 +#define UMC_GIORST 0x0000072C +#define UMC_HD2RST 0x00000734 +#define UMC_VIORST 0x0000073C +#define UMC_FRCRST 0x00000748 /* LD4/sLD8 */ +#define UMC_DVCRST 0x00000748 /* Pro4 */ +#define UMC_RGLRST 0x00000750 +#define UMC_VPERST 0x00000758 +#define UMC_AIORST 0x00000764 +#define UMC_DMDRST 0x00000770 + +#define UMC_HDMCHSEL 0x00000898 +#define UMC_MDMCHSEL 0x0000089C +#define UMC_DVCCHSEL 0x000008C8 +#define UMC_DMDCHSEL 0x000008F0 + +#define UMC_CLKEN_SSIF_FETCH 0x0000C060 +#define UMC_CLKEN_SSIF_COMQUE0 0x0000C064 +#define UMC_CLKEN_SSIF_COMWC0 0x0000C068 +#define UMC_CLKEN_SSIF_COMRC0 0x0000C06C +#define UMC_CLKEN_SSIF_COMQUE1 0x0000C070 +#define UMC_CLKEN_SSIF_COMWC1 0x0000C074 +#define UMC_CLKEN_SSIF_COMRC1 0x0000C078 +#define UMC_CLKEN_SSIF_WC 0x0000C07C +#define UMC_CLKEN_SSIF_RC 0x0000C080 +#define UMC_CLKEN_SSIF_DST 0x0000C084 + +/* CA registers */ +#define UMC_CA_BASE(ch) (UMC_BASE + 0x00001000 + 0x00001000 * (ch)) + +/* DRAM controller registers */ +#define UMC_DRAMCONT_BASE(ch) (UMC_BASE + 0x00400000 + 0x00200000 * (ch)) + +#define UMC_CMDCTLA 0x00000000 +#define UMC_CMDCTLB 0x00000004 +#define UMC_INITCTLA 0x00000008 +#define UMC_INITCTLB 0x0000000C +#define UMC_INITCTLC 0x00000010 +#define UMC_INITSET 0x00000014 +#define UMC_INITSTAT 0x00000018 +#define UMC_DRMMR0 0x0000001C +#define UMC_DRMMR1 0x00000020 +#define UMC_DRMMR2 0x00000024 +#define UMC_DRMMR3 0x00000028 +#define UMC_SPCCTLA 0x00000030 +#define UMC_SPCCTLB 0x00000034 +#define UMC_SPCSETA 0x00000038 +#define UMC_SPCSETB 0x0000003C +#define UMC_SPCSETC 0x00000040 +#define UMC_SPCSETD 0x00000044 +#define UMC_SPCSTATA 0x00000050 +#define UMC_SPCSTATB 0x00000054 +#define UMC_SPCSTATC 0x00000058 +#define UMC_ACSSETA 0x00000060 +#define UMC_FLOWCTLA 0x00000400 +#define UMC_FLOWCTLB 0x00000404 +#define UMC_FLOWCTLC 0x00000408 +#define UMC_FLOWCTLG 0x00000508 +#define UMC_RDATACTL_D0 0x00000600 +#define UMC_WDATACTL_D0 0x00000604 +#define UMC_RDATACTL_D1 0x00000608 +#define UMC_WDATACTL_D1 0x0000060C +#define UMC_DATASET 0x00000610 +#define UMC_DCCGCTL 0x00000720 +#define UMC_DICGCTLA 0x00000724 +#define UMC_DICGCTLB 0x00000728 +#define UMC_DIOCTLA 0x00000C00 +#define UMC_DFICUPDCTLA 0x00000C20 + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> + +static inline void umc_polling(u32 address, u32 expval, u32 mask) +{ + u32 nmask = ~mask; + u32 data; + do { + data = readl(address) & nmask; + } while (data != expval); +} + +static inline void umc_dram_init_start(void __iomem *dramcont) +{ + writel(0x00000002, dramcont + UMC_INITSET); +} + +static inline void umc_dram_init_poll(void __iomem *dramcont) +{ + while ((readl(dramcont + UMC_INITSTAT) & 0x00000002)) + ; +} + +#endif + +#endif |