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-rw-r--r--arch/arm/include/asm/arch-armada-xp/cpu.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-armada-xp/cpu.h b/arch/arm/include/asm/arch-armada-xp/cpu.h
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+++ b/arch/arm/include/asm/arch-armada-xp/cpu.h
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+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ARMADA_XP_CPU_H
+#define _ARMADA_XP_CPU_H
+
+#include <asm/system.h>
+
+#ifndef __ASSEMBLY__
+
+#define MVEBU_REG_PCIE_DEVID (MVEBU_REG_PCIE_BASE + 0x00)
+#define MVEBU_REG_PCIE_REVID (MVEBU_REG_PCIE_BASE + 0x08)
+
+enum memory_bank {
+ BANK0,
+ BANK1,
+ BANK2,
+ BANK3
+};
+
+enum cpu_winen {
+ CPU_WIN_DISABLE,
+ CPU_WIN_ENABLE
+};
+
+enum cpu_target {
+ CPU_TARGET_DRAM = 0x0,
+ CPU_TARGET_DEVICEBUS_BOOTROM_SPI = 0x1,
+ CPU_TARGET_ETH23 = 0x3,
+ CPU_TARGET_PCIE02 = 0x4,
+ CPU_TARGET_ETH01 = 0x7,
+ CPU_TARGET_PCIE13 = 0x8,
+ CPU_TARGET_SASRAM = 0x9,
+ CPU_TARGET_NAND = 0xd,
+};
+
+enum cpu_attrib {
+ CPU_ATTR_SASRAM = 0x01,
+ CPU_ATTR_DRAM_CS0 = 0x0e,
+ CPU_ATTR_DRAM_CS1 = 0x0d,
+ CPU_ATTR_DRAM_CS2 = 0x0b,
+ CPU_ATTR_DRAM_CS3 = 0x07,
+ CPU_ATTR_NANDFLASH = 0x2f,
+ CPU_ATTR_SPIFLASH = 0x1e,
+ CPU_ATTR_BOOTROM = 0x1d,
+ CPU_ATTR_PCIE_IO = 0xe0,
+ CPU_ATTR_PCIE_MEM = 0xe8,
+ CPU_ATTR_DEV_CS0 = 0x3e,
+ CPU_ATTR_DEV_CS1 = 0x3d,
+ CPU_ATTR_DEV_CS2 = 0x3b,
+ CPU_ATTR_DEV_CS3 = 0x37,
+};
+
+/*
+ * Default Device Address MAP BAR values
+ */
+#define DEFADR_PCI_MEM 0x90000000
+#define DEFADR_PCI_IO 0xC0000000
+#define DEFADR_SPIF 0xF4000000
+#define DEFADR_BOOTROM 0xF8000000
+
+struct mbus_win {
+ u32 base;
+ u32 size;
+ u8 target;
+ u8 attr;
+};
+
+/*
+ * System registers
+ * Ref: Datasheet sec:A.28
+ */
+struct mvebu_system_registers {
+ u8 pad1[0x60];
+ u32 rstoutn_mask; /* 0x60 */
+ u32 sys_soft_rst; /* 0x64 */
+};
+
+/*
+ * GPIO Registers
+ * Ref: Datasheet sec:A.19
+ */
+struct kwgpio_registers {
+ u32 dout;
+ u32 oe;
+ u32 blink_en;
+ u32 din_pol;
+ u32 din;
+ u32 irq_cause;
+ u32 irq_mask;
+ u32 irq_level;
+};
+
+/*
+ * functions
+ */
+unsigned int mvebu_sdram_bar(enum memory_bank bank);
+unsigned int mvebu_sdram_bs(enum memory_bank bank);
+void mvebu_sdram_size_adjust(enum memory_bank bank);
+int mvebu_mbus_probe(struct mbus_win windows[], int count);
+#endif /* __ASSEMBLY__ */
+#endif /* _ARMADA_XP_CPU_H */