| /** |
| * Freecale 85xx and 86xx Global Utilties register set |
| * |
| * Authors: Jeff Brown |
| * Timur Tabi <timur@freescale.com> |
| * |
| * Copyright 2004,2007,2012 Freescale Semiconductor, Inc |
| * |
| * 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. |
| */ |
| |
| #ifndef __ASM_POWERPC_FSL_GUTS_H__ |
| #define __ASM_POWERPC_FSL_GUTS_H__ |
| #ifdef __KERNEL__ |
| |
| /* |
| * These #ifdefs are safe because it's not possible to build a kernel that |
| * runs on e500 and e600 cores. |
| */ |
| |
| #if !defined(CONFIG_PPC_85xx) && !defined(CONFIG_PPC_86xx) |
| #error Only 85xx and 86xx SOCs are supported |
| #endif |
| |
| /** |
| * Global Utility Registers. |
| * |
| * Not all registers defined in this structure are available on all chips, so |
| * you are expected to know whether a given register actually exists on your |
| * chip before you access it. |
| * |
| * Also, some registers are similar on different chips but have slightly |
| * different names. In these cases, one name is chosen to avoid extraneous |
| * #ifdefs. |
| */ |
| #ifdef CONFIG_PPC_85xx |
| struct ccsr_guts_85xx { |
| #else |
| struct ccsr_guts_86xx { |
| #endif |
| __be32 porpllsr; /* 0x.0000 - POR PLL Ratio Status Register */ |
| __be32 porbmsr; /* 0x.0004 - POR Boot Mode Status Register */ |
| __be32 porimpscr; /* 0x.0008 - POR I/O Impedance Status and Control Register */ |
| __be32 pordevsr; /* 0x.000c - POR I/O Device Status Register */ |
| __be32 pordbgmsr; /* 0x.0010 - POR Debug Mode Status Register */ |
| __be32 pordevsr2; /* 0x.0014 - POR device status register 2 */ |
| u8 res018[0x20 - 0x18]; |
| __be32 porcir; /* 0x.0020 - POR Configuration Information Register */ |
| u8 res024[0x30 - 0x24]; |
| __be32 gpiocr; /* 0x.0030 - GPIO Control Register */ |
| u8 res034[0x40 - 0x34]; |
| __be32 gpoutdr; /* 0x.0040 - General-Purpose Output Data Register */ |
| u8 res044[0x50 - 0x44]; |
| __be32 gpindr; /* 0x.0050 - General-Purpose Input Data Register */ |
| u8 res054[0x60 - 0x54]; |
| __be32 pmuxcr; /* 0x.0060 - Alternate Function Signal Multiplex Control */ |
| __be32 pmuxcr2; /* 0x.0064 - Alternate function signal multiplex control 2 */ |
| __be32 dmuxcr; /* 0x.0068 - DMA Mux Control Register */ |
| u8 res06c[0x70 - 0x6c]; |
| __be32 devdisr; /* 0x.0070 - Device Disable Control */ |
| __be32 devdisr2; /* 0x.0074 - Device Disable Control 2 */ |
| u8 res078[0x7c - 0x78]; |
| __be32 pmjcr; /* 0x.007c - 4 Power Management Jog Control Register */ |
| __be32 powmgtcsr; /* 0x.0080 - Power Management Status and Control Register */ |
| __be32 pmrccr; /* 0x.0084 - Power Management Reset Counter Configuration Register */ |
| __be32 pmpdccr; /* 0x.0088 - Power Management Power Down Counter Configuration Register */ |
| __be32 pmcdr; /* 0x.008c - 4Power management clock disable register */ |
| __be32 mcpsumr; /* 0x.0090 - Machine Check Summary Register */ |
| __be32 rstrscr; /* 0x.0094 - Reset Request Status and Control Register */ |
| __be32 ectrstcr; /* 0x.0098 - Exception reset control register */ |
| __be32 autorstsr; /* 0x.009c - Automatic reset status register */ |
| __be32 pvr; /* 0x.00a0 - Processor Version Register */ |
| __be32 svr; /* 0x.00a4 - System Version Register */ |
| u8 res0a8[0xb0 - 0xa8]; |
| __be32 rstcr; /* 0x.00b0 - Reset Control Register */ |
| u8 res0b4[0xc0 - 0xb4]; |
| #ifdef CONFIG_PPC_85xx |
| __be32 iovselsr; /* 0x.00c0 - I/O voltage select status register */ |
| #else |
| __be32 elbcvselcr; /* 0x.00c0 - eLBC Voltage Select Ctrl Reg */ |
| #endif |
| u8 res0c4[0x224 - 0xc4]; |
| __be32 iodelay1; /* 0x.0224 - IO delay control register 1 */ |
| __be32 iodelay2; /* 0x.0228 - IO delay control register 2 */ |
| u8 res22c[0x800 - 0x22c]; |
| __be32 clkdvdr; /* 0x.0800 - Clock Divide Register */ |
| u8 res804[0x900 - 0x804]; |
| __be32 ircr; /* 0x.0900 - Infrared Control Register */ |
| u8 res904[0x908 - 0x904]; |
| __be32 dmacr; /* 0x.0908 - DMA Control Register */ |
| u8 res90c[0x914 - 0x90c]; |
| __be32 elbccr; /* 0x.0914 - eLBC Control Register */ |
| u8 res918[0xb20 - 0x918]; |
| __be32 ddr1clkdr; /* 0x.0b20 - DDR1 Clock Disable Register */ |
| __be32 ddr2clkdr; /* 0x.0b24 - DDR2 Clock Disable Register */ |
| __be32 ddrclkdr; /* 0x.0b28 - DDR Clock Disable Register */ |
| u8 resb2c[0xe00 - 0xb2c]; |
| __be32 clkocr; /* 0x.0e00 - Clock Out Select Register */ |
| u8 rese04[0xe10 - 0xe04]; |
| __be32 ddrdllcr; /* 0x.0e10 - DDR DLL Control Register */ |
| u8 rese14[0xe20 - 0xe14]; |
| __be32 lbcdllcr; /* 0x.0e20 - LBC DLL Control Register */ |
| __be32 cpfor; /* 0x.0e24 - L2 charge pump fuse override register */ |
| u8 rese28[0xf04 - 0xe28]; |
| __be32 srds1cr0; /* 0x.0f04 - SerDes1 Control Register 0 */ |
| __be32 srds1cr1; /* 0x.0f08 - SerDes1 Control Register 0 */ |
| u8 resf0c[0xf2c - 0xf0c]; |
| __be32 itcr; /* 0x.0f2c - Internal transaction control register */ |
| u8 resf30[0xf40 - 0xf30]; |
| __be32 srds2cr0; /* 0x.0f40 - SerDes2 Control Register 0 */ |
| __be32 srds2cr1; /* 0x.0f44 - SerDes2 Control Register 0 */ |
| } __attribute__ ((packed)); |
| |
| |
| /* Alternate function signal multiplex control */ |
| #define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x)) |
| |
| #ifdef CONFIG_PPC_86xx |
| |
| #define CCSR_GUTS_DMACR_DEV_SSI 0 /* DMA controller/channel set to SSI */ |
| #define CCSR_GUTS_DMACR_DEV_IR 1 /* DMA controller/channel set to IR */ |
| |
| /* |
| * Set the DMACR register in the GUTS |
| * |
| * The DMACR register determines the source of initiated transfers for each |
| * channel on each DMA controller. Rather than have a bunch of repetitive |
| * macros for the bit patterns, we just have a function that calculates |
| * them. |
| * |
| * guts: Pointer to GUTS structure |
| * co: The DMA controller (0 or 1) |
| * ch: The channel on the DMA controller (0, 1, 2, or 3) |
| * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx) |
| */ |
| static inline void guts_set_dmacr(struct ccsr_guts_86xx __iomem *guts, |
| unsigned int co, unsigned int ch, unsigned int device) |
| { |
| unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); |
| |
| clrsetbits_be32(&guts->dmacr, 3 << shift, device << shift); |
| } |
| |
| #define CCSR_GUTS_PMUXCR_LDPSEL 0x00010000 |
| #define CCSR_GUTS_PMUXCR_SSI1_MASK 0x0000C000 /* Bitmask for SSI1 */ |
| #define CCSR_GUTS_PMUXCR_SSI1_LA 0x00000000 /* Latched address */ |
| #define CCSR_GUTS_PMUXCR_SSI1_HI 0x00004000 /* High impedance */ |
| #define CCSR_GUTS_PMUXCR_SSI1_SSI 0x00008000 /* Used for SSI1 */ |
| #define CCSR_GUTS_PMUXCR_SSI2_MASK 0x00003000 /* Bitmask for SSI2 */ |
| #define CCSR_GUTS_PMUXCR_SSI2_LA 0x00000000 /* Latched address */ |
| #define CCSR_GUTS_PMUXCR_SSI2_HI 0x00001000 /* High impedance */ |
| #define CCSR_GUTS_PMUXCR_SSI2_SSI 0x00002000 /* Used for SSI2 */ |
| #define CCSR_GUTS_PMUXCR_LA_22_25_LA 0x00000000 /* Latched Address */ |
| #define CCSR_GUTS_PMUXCR_LA_22_25_HI 0x00000400 /* High impedance */ |
| #define CCSR_GUTS_PMUXCR_DBGDRV 0x00000200 /* Signals not driven */ |
| #define CCSR_GUTS_PMUXCR_DMA2_0 0x00000008 |
| #define CCSR_GUTS_PMUXCR_DMA2_3 0x00000004 |
| #define CCSR_GUTS_PMUXCR_DMA1_0 0x00000002 |
| #define CCSR_GUTS_PMUXCR_DMA1_3 0x00000001 |
| |
| /* |
| * Set the DMA external control bits in the GUTS |
| * |
| * The DMA external control bits in the PMUXCR are only meaningful for |
| * channels 0 and 3. Any other channels are ignored. |
| * |
| * guts: Pointer to GUTS structure |
| * co: The DMA controller (0 or 1) |
| * ch: The channel on the DMA controller (0, 1, 2, or 3) |
| * value: the new value for the bit (0 or 1) |
| */ |
| static inline void guts_set_pmuxcr_dma(struct ccsr_guts_86xx __iomem *guts, |
| unsigned int co, unsigned int ch, unsigned int value) |
| { |
| if ((ch == 0) || (ch == 3)) { |
| unsigned int shift = 2 * (co + 1) - (ch & 1) - 1; |
| |
| clrsetbits_be32(&guts->pmuxcr, 1 << shift, value << shift); |
| } |
| } |
| |
| #define CCSR_GUTS_CLKDVDR_PXCKEN 0x80000000 |
| #define CCSR_GUTS_CLKDVDR_SSICKEN 0x20000000 |
| #define CCSR_GUTS_CLKDVDR_PXCKINV 0x10000000 |
| #define CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT 25 |
| #define CCSR_GUTS_CLKDVDR_PXCKDLY_MASK 0x06000000 |
| #define CCSR_GUTS_CLKDVDR_PXCKDLY(x) \ |
| (((x) & 3) << CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT) |
| #define CCSR_GUTS_CLKDVDR_PXCLK_SHIFT 16 |
| #define CCSR_GUTS_CLKDVDR_PXCLK_MASK 0x001F0000 |
| #define CCSR_GUTS_CLKDVDR_PXCLK(x) (((x) & 31) << CCSR_GUTS_CLKDVDR_PXCLK_SHIFT) |
| #define CCSR_GUTS_CLKDVDR_SSICLK_MASK 0x000000FF |
| #define CCSR_GUTS_CLKDVDR_SSICLK(x) ((x) & CCSR_GUTS_CLKDVDR_SSICLK_MASK) |
| |
| #endif |
| |
| #endif |
| #endif |
