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/*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef _KWCPU_H
#define _KWCPU_H
#include <asm/system.h>
#ifndef __ASSEMBLY__
#define KWGBE_PORT_SERIAL_CONTROL1_REG(_x) \
((_x ? KW_EGIGA0_BASE : KW_EGIGA1_BASE) + 0x44c)
#define KW_REG_DEVICE_ID (KW_MPP_BASE + 0x34)
#define KW_REG_MPP_OUT_DRV_REG (KW_MPP_BASE + 0xE0)
enum memory_bank {
BANK0,
BANK1,
BANK2,
BANK3
};
enum kwcpu_winen {
KWCPU_WIN_DISABLE,
KWCPU_WIN_ENABLE
};
enum kwcpu_target {
KWCPU_TARGET_RESERVED,
KWCPU_TARGET_MEMORY,
KWCPU_TARGET_1RESERVED,
KWCPU_TARGET_SASRAM,
KWCPU_TARGET_PCIE
};
enum kwcpu_attrib {
KWCPU_ATTR_SASRAM = 0x01,
KWCPU_ATTR_NANDFLASH = 0x2f,
KWCPU_ATTR_SPIFLASH = 0x1e,
KWCPU_ATTR_BOOTROM = 0x1d,
KWCPU_ATTR_PCIE_IO = 0xe0,
KWCPU_ATTR_PCIE_MEM = 0xe8
};
/*
* Default Device Address MAP BAR values
*/
#define KW_DEFADR_PCI_MEM 0x90000000
#define KW_DEFADR_PCI_IO 0xC0000000
#define KW_DEFADR_PCI_IO_REMAP 0xC0000000
#define KW_DEFADR_SASRAM 0xC8010000
#define KW_DEFADR_NANDF 0xD8000000
#define KW_DEFADR_SPIF 0xE8000000
#define KW_DEFADR_BOOTROM 0xF8000000
/*
* read feroceon/sheeva core extra feature register
* using co-proc instruction
*/
static inline unsigned int readfr_extra_feature_reg(void)
{
unsigned int val;
asm volatile ("mrc p15, 1, %0, c15, c1, 0 @ readfr exfr":"=r"
(val)::"cc");
return val;
}
/*
* write feroceon/sheeva core extra feature register
* using co-proc instruction
*/
static inline void writefr_extra_feature_reg(unsigned int val)
{
asm volatile ("mcr p15, 1, %0, c15, c1, 0 @ writefr exfr"::"r"
(val):"cc");
isb();
}
/*
* MBus-L to Mbus Bridge Registers
* Ref: Datasheet sec:A.3
*/
struct kwwin_registers {
u32 ctrl;
u32 base;
u32 remap_lo;
u32 remap_hi;
};
/*
* CPU control and status Registers
* Ref: Datasheet sec:A.3.2
*/
struct kwcpu_registers {
u32 config; /*0x20100 */
u32 ctrl_stat; /*0x20104 */
u32 rstoutn_mask; /* 0x20108 */
u32 sys_soft_rst; /* 0x2010C */
u32 ahb_mbus_cause_irq; /* 0x20110 */
u32 ahb_mbus_mask_irq; /* 0x20114 */
u32 pad1[2];
u32 ftdll_config; /* 0x20120 */
u32 pad2;
u32 l2_cfg; /* 0x20128 */
};
/*
* 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
*/
void reset_cpu(unsigned long ignored);
unsigned char get_random_hex(void);
unsigned int kw_sdram_bar(enum memory_bank bank);
unsigned int kw_sdram_bs(enum memory_bank bank);
int kw_config_adr_windows(void);
void kw_config_gpio(unsigned int gpp0_oe_val, unsigned int gpp1_oe_val,
unsigned int gpp0_oe, unsigned int gpp1_oe);
int kw_config_mpp(unsigned int mpp0_7, unsigned int mpp8_15,
unsigned int mpp16_23, unsigned int mpp24_31,
unsigned int mpp32_39, unsigned int mpp40_47,
unsigned int mpp48_55);
#endif /* __ASSEMBLY__ */
#endif /* _KWCPU_H */
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