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-rw-r--r--arch/arm/include/asm/arch-uniphier/umc-regs.h119
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 0000000..6159281
--- /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