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Diffstat (limited to 'arch/blackfin/include/asm/bfrom.h')
| -rw-r--r-- | arch/blackfin/include/asm/bfrom.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/blackfin/include/asm/bfrom.h b/arch/blackfin/include/asm/bfrom.h deleted file mode 100644 index 9e4be5e5e767..000000000000 --- a/arch/blackfin/include/asm/bfrom.h +++ /dev/null @@ -1,90 +0,0 @@ -/* Blackfin on-chip ROM API - * - * Copyright 2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef __BFROM_H__ -#define __BFROM_H__ - -#include <linux/types.h> - -/* Possible syscontrol action flags */ -#define SYSCTRL_READ 0x00000000 /* read registers */ -#define SYSCTRL_WRITE 0x00000001 /* write registers */ -#define SYSCTRL_SYSRESET 0x00000002 /* perform system reset */ -#define SYSCTRL_CORERESET 0x00000004 /* perform core reset */ -#define SYSCTRL_SOFTRESET 0x00000006 /* perform core and system reset */ -#define SYSCTRL_VRCTL 0x00000010 /* read/write VR_CTL register */ -#define SYSCTRL_EXTVOLTAGE 0x00000020 /* VDDINT supplied externally */ -#define SYSCTRL_INTVOLTAGE 0x00000000 /* VDDINT generated by on-chip regulator */ -#define SYSCTRL_OTPVOLTAGE 0x00000040 /* For Factory Purposes Only */ -#define SYSCTRL_PLLCTL 0x00000100 /* read/write PLL_CTL register */ -#define SYSCTRL_PLLDIV 0x00000200 /* read/write PLL_DIV register */ -#define SYSCTRL_LOCKCNT 0x00000400 /* read/write PLL_LOCKCNT register */ -#define SYSCTRL_PLLSTAT 0x00000800 /* read/write PLL_STAT register */ - -typedef struct ADI_SYSCTRL_VALUES { - uint16_t uwVrCtl; - uint16_t uwPllCtl; - uint16_t uwPllDiv; - uint16_t uwPllLockCnt; - uint16_t uwPllStat; -} ADI_SYSCTRL_VALUES; - -static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)0xEF000038; - -/* We need a dedicated function since we need to screw with the stack pointer - * when resetting. The on-chip ROM will save/restore registers on the stack - * when doing a system reset, so the stack cannot be outside of the chip. - */ -__attribute__((__noreturn__)) -static inline void bfrom_SoftReset(void *new_stack) -{ - while (1) - /* - * We don't declare the SP as clobbered on purpose, since - * it confuses the heck out of the compiler, and this function - * never returns - */ - __asm__ __volatile__( - "sp = %[stack];" - "jump (%[bfrom_syscontrol]);" - : : [bfrom_syscontrol] "p"(bfrom_SysControl), - "q0"(SYSCTRL_SOFTRESET), - "q1"(0), - "q2"(NULL), - [stack] "p"(new_stack) - ); -} - -/* OTP Functions */ -static uint32_t (* const bfrom_OtpCommand)(uint32_t command, uint32_t value) = (void *)0xEF000018; -static uint32_t (* const bfrom_OtpRead)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001A; -static uint32_t (* const bfrom_OtpWrite)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001C; - -/* otp command: defines for "command" */ -#define OTP_INIT 0x00000001 -#define OTP_CLOSE 0x00000002 - -/* otp read/write: defines for "flags" */ -#define OTP_LOWER_HALF 0x00000000 /* select upper/lower 64-bit half (bit 0) */ -#define OTP_UPPER_HALF 0x00000001 -#define OTP_NO_ECC 0x00000010 /* do not use ECC */ -#define OTP_LOCK 0x00000020 /* sets page protection bit for page */ -#define OTP_CHECK_FOR_PREV_WRITE 0x00000080 - -/* Return values for all functions */ -#define OTP_SUCCESS 0x00000000 -#define OTP_MASTER_ERROR 0x001 -#define OTP_WRITE_ERROR 0x003 -#define OTP_READ_ERROR 0x005 -#define OTP_ACC_VIO_ERROR 0x009 -#define OTP_DATA_MULT_ERROR 0x011 -#define OTP_ECC_MULT_ERROR 0x021 -#define OTP_PREV_WR_ERROR 0x041 -#define OTP_DATA_SB_WARN 0x100 -#define OTP_ECC_SB_WARN 0x200 - -#endif |