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/*
* (C) Copyright 2012 Samsung Electronics
* Donghwa Lee <dh09.lee@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARM_ARCH_SYSTEM_H_
#define __ASM_ARM_ARCH_SYSTEM_H_
#ifndef __ASSEMBLY__
struct exynos4_sysreg {
unsigned char res1[0x210];
unsigned int display_ctrl;
unsigned int display_ctrl2;
unsigned int camera_control;
unsigned int audio_endian;
unsigned int jtag_con;
};
struct exynos5_sysreg {
unsigned char res1[0x214];
unsigned int disp1blk_cfg;
unsigned int disp2blk_cfg;
unsigned int hdcp_e_fuse;
unsigned int gsclblk_cfg0;
unsigned int gsclblk_cfg1;
unsigned int reserved;
unsigned int ispblk_cfg;
unsigned int usb20phy_cfg;
unsigned char res2[0x29c];
unsigned int mipi_dphy;
unsigned int dptx_dphy;
unsigned int phyclk_sel;
};
#endif
#define USB20_PHY_CFG_HOST_LINK_EN (1 << 0)
/*
* Data Synchronization Barrier acts as a special kind of memory barrier.
* No instruction in program order after this instruction executes until
* this instruction completes. This instruction completes when:
* - All explicit memory accesses before this instruction complete.
* - All Cache, Branch predictor and TLB maintenance operations before
* this instruction complete.
*/
#define dsb() __asm__ __volatile__ ("dsb\n\t" : : );
/*
* This instruction causes an event to be signaled to all cores
* within a multiprocessor system. If SEV is implemented,
* WFE must also be implemented.
*/
#define sev() __asm__ __volatile__ ("sev\n\t" : : );
/*
* If the Event Register is not set, WFE suspends execution until
* one of the following events occurs:
* - an IRQ interrupt, unless masked by the CPSR I-bit
* - an FIQ interrupt, unless masked by the CPSR F-bit
* - an Imprecise Data abort, unless masked by the CPSR A-bit
* - a Debug Entry request, if Debug is enabled
* - an Event signaled by another processor using the SEV instruction.
* If the Event Register is set, WFE clears it and returns immediately.
* If WFE is implemented, SEV must also be implemented.
*/
#define wfe() __asm__ __volatile__ ("wfe\n\t" : : );
/* Move 0xd3 value to CPSR register to enable SVC mode */
#define svc32_mode_en() __asm__ __volatile__ \
("@ I&F disable, Mode: 0x13 - SVC\n\t" \
"msr cpsr_c, #0x13|0xC0\n\t" : : )
/* Set program counter with the given value */
#define set_pc(x) __asm__ __volatile__ ("mov pc, %0\n\t" : : "r"(x))
/* Branch to the given location */
#define branch_bx(x) __asm__ __volatile__ ("bx %0\n\t" : : "r"(x))
/* Read Main Id register */
#define mrc_midr(x) __asm__ __volatile__ \
("mrc p15, 0, %0, c0, c0, 0\n\t" : "=r"(x) : )
/* Read Multiprocessor Affinity Register */
#define mrc_mpafr(x) __asm__ __volatile__ \
("mrc p15, 0, %0, c0, c0, 5\n\t" : "=r"(x) : )
/* Read System Control Register */
#define mrc_sctlr(x) __asm__ __volatile__ \
("mrc p15, 0, %0, c1, c0, 0\n\t" : "=r"(x) : )
/* Read Auxiliary Control Register */
#define mrc_auxr(x) __asm__ __volatile__ \
("mrc p15, 0, %0, c1, c0, 1\n\t" : "=r"(x) : )
/* Read L2 Control register */
#define mrc_l2_ctlr(x) __asm__ __volatile__ \
("mrc p15, 1, %0, c9, c0, 2\n\t" : "=r"(x) : )
/* Read L2 Auxilliary Control register */
#define mrc_l2_aux_ctlr(x) __asm__ __volatile__ \
("mrc p15, 1, %0, c15, c0, 0\n\t" : "=r"(x) : )
/* Write System Control Register */
#define mcr_sctlr(x) __asm__ __volatile__ \
("mcr p15, 0, %0, c1, c0, 0\n\t" : : "r"(x))
/* Write Auxiliary Control Register */
#define mcr_auxr(x) __asm__ __volatile__ \
("mcr p15, 0, %0, c1, c0, 1\n\t" : : "r"(x))
/* Invalidate all instruction caches to PoU */
#define mcr_icache(x) __asm__ __volatile__ \
("mcr p15, 0, %0, c7, c5, 0\n\t" : : "r"(x))
/* Invalidate unified TLB */
#define mcr_tlb(x) __asm__ __volatile__ \
("mcr p15, 0, %0, c8, c7, 0\n\t" : : "r"(x))
/* Write L2 Control register */
#define mcr_l2_ctlr(x) __asm__ __volatile__ \
("mcr p15, 1, %0, c9, c0, 2\n\t" : : "r"(x))
/* Write L2 Auxilliary Control register */
#define mcr_l2_aux_ctlr(x) __asm__ __volatile__ \
("mcr p15, 1, %0, c15, c0, 0\n\t" : : "r"(x))
void set_usbhost_mode(unsigned int mode);
void set_system_display_ctrl(void);
int exynos_lcd_early_init(const void *blob);
#endif /* _EXYNOS4_SYSTEM_H */
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