diff options
Diffstat (limited to 'arch/m68k/include/asm')
| -rw-r--r-- | arch/m68k/include/asm/bitops.h | 59 | ||||
| -rw-r--r-- | arch/m68k/include/asm/coldfire/flexbus.h | 68 | ||||
| -rw-r--r-- | arch/m68k/include/asm/coldfire/qspi.h | 2 | ||||
| -rw-r--r-- | arch/m68k/include/asm/io.h | 38 | ||||
| -rw-r--r-- | arch/m68k/include/asm/m5271.h | 26 |
5 files changed, 159 insertions, 34 deletions
diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h index ad971b4f31..525d90ccb0 100644 --- a/arch/m68k/include/asm/bitops.h +++ b/arch/m68k/include/asm/bitops.h @@ -17,41 +17,36 @@ extern int test_and_change_bit(int nr, volatile void *addr); #ifdef __KERNEL__ -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -extern __inline__ int ffs(int x) + +extern inline int test_bit(int nr, __const__ volatile void *addr) { - int r = 1; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; + __const__ unsigned int *p = (__const__ unsigned int *) addr; + + return (p[nr >> 5] & (1UL << (nr & 31))) != 0; } + +extern inline int test_and_set_bit(int nr, volatile void *vaddr) +{ + char retval; + + volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3]; + __asm__ __volatile__ ("bset %2,(%4); sne %0" + : "=d" (retval), "=m" (*p) + : "di" (nr & 7), "m" (*p), "a" (p)); + + return retval; +} + #define __ffs(x) (ffs(x) - 1) -#define PLATFORM_FFS + +/* + * * hweightN: returns the hamming weight (i.e. the number + * * of bits set) of a N-bit word + * */ + +#define hweight32(x) generic_hweight32(x) +#define hweight16(x) generic_hweight16(x) +#define hweight8(x) generic_hweight8(x) #endif /* __KERNEL__ */ diff --git a/arch/m68k/include/asm/coldfire/flexbus.h b/arch/m68k/include/asm/coldfire/flexbus.h index 51cbbd8b2b..9a3078a14a 100644 --- a/arch/m68k/include/asm/coldfire/flexbus.h +++ b/arch/m68k/include/asm/coldfire/flexbus.h @@ -29,7 +29,57 @@ /********************************************************************* * FlexBus Chip Selects (FBCS) *********************************************************************/ +#ifdef CONFIG_M5235 +typedef struct fbcs { + u16 csar0; /* Chip-select Address */ + u16 res1; + u32 csmr0; /* Chip-select Mask */ + u16 res2; + u16 cscr0; /* Chip-select Control */ + + u16 csar1; + u16 res3; + u32 csmr1; + u16 res4; + u16 cscr1; + + u16 csar2; + u16 res5; + u32 csmr2; + u16 res6; + u16 cscr2; + + u16 csar3; + u16 res7; + u32 csmr3; + u16 res8; + u16 cscr3; + + u16 csar4; + u16 res9; + u32 csmr4; + u16 res10; + u16 cscr4; + + u16 csar5; + u16 res11; + u32 csmr5; + u16 res12; + u16 cscr5; + u16 csar6; + u16 res13; + u32 csmr6; + u16 res14; + u16 cscr6; + + u16 csar7; + u16 res15; + u32 csmr7; + u16 res16; + u16 cscr7; +} fbcs_t; +#else typedef struct fbcs { u32 csar0; /* Chip-select Address */ u32 csmr0; /* Chip-select Mask */ @@ -56,6 +106,7 @@ typedef struct fbcs { u32 csmr7; u32 cscr7; } fbcs_t; +#endif #define FBCS_CSAR_BA(x) ((x) & 0xFFFF0000) @@ -94,6 +145,22 @@ typedef struct fbcs { #endif #define FBCS_CSMR_V (0x00000001) /* Valid bit */ +#ifdef CONFIG_M5235 +#define FBCS_CSCR_SRWS(x) (((x) & 0x3) << 14) +#define FBCS_CSCR_IWS(x) (((x) & 0xF) << 10) +#define FBCS_CSCR_AA_ON (1 << 8) +#define FBCS_CSCR_AA_OFF (0 << 8) +#define FBCS_CSCR_PS_32 (0 << 6) +#define FBCS_CSCR_PS_16 (2 << 6) +#define FBCS_CSCR_PS_8 (1 << 6) +#define FBCS_CSCR_BEM_ON (1 << 5) +#define FBCS_CSCR_BEM_OFF (0 << 5) +#define FBCS_CSCR_BSTR_ON (1 << 4) +#define FBCS_CSCR_BSTR_OFF (0 << 4) +#define FBCS_CSCR_BSTW_ON (1 << 3) +#define FBCS_CSCR_BSTW_OFF (0 << 3) +#define FBCS_CSCR_SWWS(x) (((x) & 0x7) << 0) +#else #define FBCS_CSCR_SWS(x) (((x) & 0x3F) << 26) #define FBCS_CSCR_SWS_MASK (0x03FFFFFF) #define FBCS_CSCR_SWSEN (0x00800000) @@ -116,5 +183,6 @@ typedef struct fbcs { #define FBCS_CSCR_PS_16 (0x00000080) #define FBCS_CSCR_PS_8 (0x00000040) #define FBCS_CSCR_PS_32 (0x00000000) +#endif #endif /* __FLEXBUS_H */ diff --git a/arch/m68k/include/asm/coldfire/qspi.h b/arch/m68k/include/asm/coldfire/qspi.h index 8bcd2e4db1..9fd98f6c04 100644 --- a/arch/m68k/include/asm/coldfire/qspi.h +++ b/arch/m68k/include/asm/coldfire/qspi.h @@ -98,7 +98,7 @@ typedef struct qspi_ctrl { #define QSPI_QAR_RECV (0x0010) #define QSPI_QAR_CMD (0x0020) -/* DR */ +/* DR with RAM command word definitions */ #define QSPI_QDR_CONT (0x8000) #define QSPI_QDR_BITSE (0x4000) #define QSPI_QDR_DT (0x2000) diff --git a/arch/m68k/include/asm/io.h b/arch/m68k/include/asm/io.h index d86eaf95ea..50ed74989d 100644 --- a/arch/m68k/include/asm/io.h +++ b/arch/m68k/include/asm/io.h @@ -1,7 +1,7 @@ /* * IO header file * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -225,6 +225,42 @@ extern inline void out_be32(volatile unsigned *addr, int val) *addr = val; } +/* Clear and set bits in one shot. These macros can be used to clear and + * set multiple bits in a register using a single call. These macros can + * also be used to set a multiple-bit bit pattern using a mask, by + * specifying the mask in the 'clear' parameter and the new bit pattern + * in the 'set' parameter. + */ + +#define clrbits(type, addr, clear) \ + out_##type((addr), in_##type(addr) & ~(clear)) + +#define setbits(type, addr, set) \ + out_##type((addr), in_##type(addr) | (set)) + +#define clrsetbits(type, addr, clear, set) \ + out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) + +#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) +#define setbits_be32(addr, set) setbits(be32, addr, set) +#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) + +#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) +#define setbits_le32(addr, set) setbits(le32, addr, set) +#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) + +#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) +#define setbits_be16(addr, set) setbits(be16, addr, set) +#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) + +#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) +#define setbits_le16(addr, set) setbits(le16, addr, set) +#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) + +#define clrbits_8(addr, clear) clrbits(8, addr, clear) +#define setbits_8(addr, set) setbits(8, addr, set) +#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) + static inline void sync(void) { /* This sync function is for PowerPC or other architecture instruction diff --git a/arch/m68k/include/asm/m5271.h b/arch/m68k/include/asm/m5271.h index d25261bcd1..b2bc05111d 100644 --- a/arch/m68k/include/asm/m5271.h +++ b/arch/m68k/include/asm/m5271.h @@ -171,6 +171,32 @@ #define MCF_GPIO_PAR_UART_U1RXD_UART1 0x0C00 #define MCF_GPIO_PAR_UART_U1TXD_UART1 0x0300 +/* Bit definitions and macros for PAR_QSPI */ +#define MCF_GPIO_PAR_QSPI_PCS1_UNMASK 0x3F +#define MCF_GPIO_PAR_QSPI_PCS1_PCS1 0xC0 +#define MCF_GPIO_PAR_QSPI_PCS1_SDRAM_SCKE 0x80 +#define MCF_GPIO_PAR_QSPI_PCS1_GPIO 0x00 +#define MCF_GPIO_PAR_QSPI_PCS0_UNMASK 0xDF +#define MCF_GPIO_PAR_QSPI_PCS0_PCS0 0x20 +#define MCF_GPIO_PAR_QSPI_PCS0_GPIO 0x00 +#define MCF_GPIO_PAR_QSPI_SIN_UNMASK 0xE7 +#define MCF_GPIO_PAR_QSPI_SIN_SIN 0x18 +#define MCF_GPIO_PAR_QSPI_SIN_I2C_SDA 0x10 +#define MCF_GPIO_PAR_QSPI_SIN_GPIO 0x00 +#define MCF_GPIO_PAR_QSPI_SOUT_UNMASK 0xFB +#define MCF_GPIO_PAR_QSPI_SOUT_SOUT 0x04 +#define MCF_GPIO_PAR_QSPI_SOUT_GPIO 0x00 +#define MCF_GPIO_PAR_QSPI_SCK_UNMASK 0xFC +#define MCF_GPIO_PAR_QSPI_SCK_SCK 0x03 +#define MCF_GPIO_PAR_QSPI_SCK_I2C_SCL 0x02 +#define MCF_GPIO_PAR_QSPI_SCK_GPIO 0x00 + +/* Bit definitions and macros for PAR_TIMER for QSPI */ +#define MCF_GPIO_PAR_TIMER_T3IN_UNMASK 0x3FFF +#define MCF_GPIO_PAR_TIMER_T3IN_QSPI_PCS2 0x4000 +#define MCF_GPIO_PAR_TIMER_T3OUT_UNMASK 0xFF3F +#define MCF_GPIO_PAR_TIMER_T3OUT_QSPI_PCS3 0x0040 + #define MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(x) (((x)&0x03)<<6) #define MCF_SDRAMC_DCR 0x000040 |
