/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Freecale 85xx and 86xx Global Utilties register set * * Authors: Jeff Brown * Timur Tabi <timur@freescale.com> * * Copyright 2004,2007,2012 Freescale Semiconductor, Inc
*/
#ifndef __FSL_GUTS_H__ #define __FSL_GUTS_H__
#include <linux/types.h> #include <linux/io.h>
/* * 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.
*/ struct ccsr_guts {
u32 porpllsr; /* 0x.0000 - POR PLL Ratio Status Register */
u32 porbmsr; /* 0x.0004 - POR Boot Mode Status Register */
u32 porimpscr; /* 0x.0008 - POR I/O Impedance Status and * Control Register
*/
u32 pordevsr; /* 0x.000c - POR I/O Device Status Register */
u32 pordbgmsr; /* 0x.0010 - POR Debug Mode Status Register */
u32 pordevsr2; /* 0x.0014 - POR device status register 2 */
u8 res018[0x20 - 0x18];
u32 porcir; /* 0x.0020 - POR Configuration Information * Register
*/
u8 res024[0x30 - 0x24];
u32 gpiocr; /* 0x.0030 - GPIO Control Register */
u8 res034[0x40 - 0x34];
u32 gpoutdr; /* 0x.0040 - General-Purpose Output Data * Register
*/
u8 res044[0x50 - 0x44];
u32 gpindr; /* 0x.0050 - General-Purpose Input Data * Register
*/
u8 res054[0x60 - 0x54];
u32 pmuxcr; /* 0x.0060 - Alternate Function Signal * Multiplex Control
*/
u32 pmuxcr2; /* 0x.0064 - Alternate function signal * multiplex control 2
*/
u32 dmuxcr; /* 0x.0068 - DMA Mux Control Register */
u8 res06c[0x70 - 0x6c];
u32 devdisr; /* 0x.0070 - Device Disable Control */ #define CCSR_GUTS_DEVDISR_TB1 0x00001000 #define CCSR_GUTS_DEVDISR_TB0 0x00004000
u32 devdisr2; /* 0x.0074 - Device Disable Control 2 */
u8 res078[0x7c - 0x78];
u32 pmjcr; /* 0x.007c - 4 Power Management Jog Control * Register
*/
u32 powmgtcsr; /* 0x.0080 - Power Management Status and * Control Register
*/
u32 pmrccr; /* 0x.0084 - Power Management Reset Counter * Configuration Register
*/
u32 pmpdccr; /* 0x.0088 - Power Management Power Down Counter * Configuration Register
*/
u32 pmcdr; /* 0x.008c - 4Power management clock disable * register
*/
u32 mcpsumr; /* 0x.0090 - Machine Check Summary Register */
u32 rstrscr; /* 0x.0094 - Reset Request Status and * Control Register
*/
u32 ectrstcr; /* 0x.0098 - Exception reset control register */
u32 autorstsr; /* 0x.009c - Automatic reset status register */
u32 pvr; /* 0x.00a0 - Processor Version Register */
u32 svr; /* 0x.00a4 - System Version Register */
u8 res0a8[0xb0 - 0xa8];
u32 rstcr; /* 0x.00b0 - Reset Control Register */
u8 res0b4[0xc0 - 0xb4];
u32 iovselsr; /* 0x.00c0 - I/O voltage select status register
Called 'elbcvselcr' on 86xx SOCs */
u8 res0c4[0x100 - 0xc4];
u32 rcwsr[16]; /* 0x.0100 - Reset Control Word Status registers
There are 16 registers */
u8 res140[0x224 - 0x140];
u32 iodelay1; /* 0x.0224 - IO delay control register 1 */
u32 iodelay2; /* 0x.0228 - IO delay control register 2 */
u8 res22c[0x604 - 0x22c];
u32 pamubypenr; /* 0x.604 - PAMU bypass enable register */
u8 res608[0x800 - 0x608];
u32 clkdvdr; /* 0x.0800 - Clock Divide Register */
u8 res804[0x900 - 0x804];
u32 ircr; /* 0x.0900 - Infrared Control Register */
u8 res904[0x908 - 0x904];
u32 dmacr; /* 0x.0908 - DMA Control Register */
u8 res90c[0x914 - 0x90c];
u32 elbccr; /* 0x.0914 - eLBC Control Register */
u8 res918[0xb20 - 0x918];
u32 ddr1clkdr; /* 0x.0b20 - DDR1 Clock Disable Register */
u32 ddr2clkdr; /* 0x.0b24 - DDR2 Clock Disable Register */
u32 ddrclkdr; /* 0x.0b28 - DDR Clock Disable Register */
u8 resb2c[0xe00 - 0xb2c];
u32 clkocr; /* 0x.0e00 - Clock Out Select Register */
u8 rese04[0xe10 - 0xe04];
u32 ddrdllcr; /* 0x.0e10 - DDR DLL Control Register */
u8 rese14[0xe20 - 0xe14];
u32 lbcdllcr; /* 0x.0e20 - LBC DLL Control Register */
u32 cpfor; /* 0x.0e24 - L2 charge pump fuse override * register
*/
u8 rese28[0xf04 - 0xe28];
u32 srds1cr0; /* 0x.0f04 - SerDes1 Control Register 0 */
u32 srds1cr1; /* 0x.0f08 - SerDes1 Control Register 0 */
u8 resf0c[0xf2c - 0xf0c];
u32 itcr; /* 0x.0f2c - Internal transaction control * register
*/
u8 resf30[0xf40 - 0xf30];
u32 srds2cr0; /* 0x.0f40 - SerDes2 Control Register 0 */
u32 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)
*/ staticinlinevoid guts_set_dmacr(struct ccsr_guts __iomem *guts, unsignedint co, unsignedint ch, unsignedint device)
{ unsignedint shift = 16 + (8 * (1 - co) + 2 * (3 - ch));
#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)
*/ staticinlinevoid guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, unsignedint co, unsignedint ch, unsignedint value)
{ if ((ch == 0) || (ch == 3)) { unsignedint shift = 2 * (co + 1) - (ch & 1) - 1;
clrsetbits_be32(&guts->pmuxcr, 1 << shift, value << shift);
}
}
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