mirror of
https://github.com/smaeul/u-boot.git
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69f78cf840
The existing imx_watchdog driver is compatible with mx25 chipsets. Add a WDOG1_BASE_ADDR define for the base address and enable the driver in watchdog's Makefile. To use the driver, a board must define CONFIG_IMX_WATCHDOG and CONFIG_HW_WATCHDOG. This fixes an issue when booting an mx25 chip via usb/serial. In this case, the boot rom will always enable the watchdog. If u-boot is running in interactive mode and the watchdog is not serviced, the system is rebooted when the watchdog expires. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
535 lines
16 KiB
C
535 lines
16 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2009, DENX Software Engineering
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* Author: John Rigby <jcrigby@gmail.com
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*
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* Based on arch-mx31/imx-regs.h
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* Copyright (C) 2009 Ilya Yanok,
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* Emcraft Systems <yanok@emcraft.com>
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* and arch-mx27/imx-regs.h
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* Copyright (C) 2007 Pengutronix,
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* Sascha Hauer <s.hauer@pengutronix.de>
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* Copyright (C) 2009 Ilya Yanok,
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* Emcraft Systems <yanok@emcraft.com>
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*/
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#ifndef _IMX_REGS_H
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#define _IMX_REGS_H
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#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
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#include <asm/types.h>
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/* Clock Control Module (CCM) registers */
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struct ccm_regs {
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u32 mpctl; /* Core PLL Control */
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u32 upctl; /* USB PLL Control */
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u32 cctl; /* Clock Control */
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u32 cgr0; /* Clock Gating Control 0 */
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u32 cgr1; /* Clock Gating Control 1 */
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u32 cgr2; /* Clock Gating Control 2 */
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u32 pcdr[4]; /* PER Clock Dividers */
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u32 rcsr; /* CCM Status */
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u32 crdr; /* CCM Reset and Debug */
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u32 dcvr0; /* DPTC Comparator Value 0 */
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u32 dcvr1; /* DPTC Comparator Value 1 */
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u32 dcvr2; /* DPTC Comparator Value 2 */
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u32 dcvr3; /* DPTC Comparator Value 3 */
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u32 ltr0; /* Load Tracking 0 */
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u32 ltr1; /* Load Tracking 1 */
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u32 ltr2; /* Load Tracking 2 */
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u32 ltr3; /* Load Tracking 3 */
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u32 ltbr0; /* Load Tracking Buffer 0 */
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u32 ltbr1; /* Load Tracking Buffer 1 */
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u32 pcmr0; /* Power Management Control 0 */
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u32 pcmr1; /* Power Management Control 1 */
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u32 pcmr2; /* Power Management Control 2 */
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u32 mcr; /* Miscellaneous Control */
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u32 lpimr0; /* Low Power Interrupt Mask 0 */
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u32 lpimr1; /* Low Power Interrupt Mask 1 */
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};
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/* Enhanced SDRAM Controller (ESDRAMC) registers */
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struct esdramc_regs {
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u32 ctl0; /* control 0 */
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u32 cfg0; /* configuration 0 */
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u32 ctl1; /* control 1 */
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u32 cfg1; /* configuration 1 */
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u32 misc; /* miscellaneous */
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u32 pad[3];
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u32 cdly1; /* Delay Line 1 configuration debug */
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u32 cdly2; /* delay line 2 configuration debug */
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u32 cdly3; /* delay line 3 configuration debug */
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u32 cdly4; /* delay line 4 configuration debug */
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u32 cdly5; /* delay line 5 configuration debug */
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u32 cdlyl; /* delay line cycle length debug */
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};
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/* General Purpose Timer (GPT) registers */
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struct gpt_regs {
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u32 ctrl; /* control */
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u32 pre; /* prescaler */
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u32 stat; /* status */
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u32 intr; /* interrupt */
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u32 cmp[3]; /* output compare 1-3 */
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u32 capt[2]; /* input capture 1-2 */
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u32 counter; /* counter */
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};
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/* Watchdog Timer (WDOG) registers */
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struct wdog_regs {
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u16 wcr; /* Control */
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u16 wsr; /* Service */
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u16 wrsr; /* Reset Status */
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u16 wicr; /* Interrupt Control */
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u16 wmcr; /* Misc Control */
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};
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/* IIM control registers */
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struct iim_regs {
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u32 iim_stat;
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u32 iim_statm;
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u32 iim_err;
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u32 iim_emask;
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u32 iim_fctl;
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u32 iim_ua;
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u32 iim_la;
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u32 iim_sdat;
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u32 iim_prev;
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u32 iim_srev;
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u32 iim_prg_p;
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u32 iim_scs0;
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u32 iim_scs1;
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u32 iim_scs2;
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u32 iim_scs3;
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u32 res1[0x1f1];
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struct fuse_bank {
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u32 fuse_regs[0x20];
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u32 fuse_rsvd[0xe0];
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} bank[3];
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};
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struct fuse_bank0_regs {
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u32 fuse0_7[8];
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u32 uid[8];
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u32 fuse16_25[0xa];
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u32 mac_addr[6];
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};
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struct fuse_bank1_regs {
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u32 fuse0_21[0x16];
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u32 usr5;
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u32 fuse23_29[7];
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u32 usr6[2];
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};
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/* Multi-Layer AHB Crossbar Switch (MAX) registers */
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struct max_regs {
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u32 mpr0;
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u32 pad00[3];
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u32 sgpcr0;
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u32 pad01[59];
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u32 mpr1;
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u32 pad02[3];
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u32 sgpcr1;
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u32 pad03[59];
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u32 mpr2;
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u32 pad04[3];
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u32 sgpcr2;
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u32 pad05[59];
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u32 mpr3;
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u32 pad06[3];
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u32 sgpcr3;
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u32 pad07[59];
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u32 mpr4;
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u32 pad08[3];
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u32 sgpcr4;
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u32 pad09[251];
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u32 mgpcr0;
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u32 pad10[63];
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u32 mgpcr1;
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u32 pad11[63];
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u32 mgpcr2;
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u32 pad12[63];
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u32 mgpcr3;
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u32 pad13[63];
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u32 mgpcr4;
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};
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/* AHB <-> IP-Bus Interface (AIPS) */
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struct aips_regs {
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u32 mpr_0_7;
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u32 mpr_8_15;
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};
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/* LCD controller registers */
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struct lcdc_regs {
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u32 lssar; /* Screen Start Address */
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u32 lsr; /* Size */
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u32 lvpwr; /* Virtual Page Width */
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u32 lcpr; /* Cursor Position */
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u32 lcwhb; /* Cursor Width Height and Blink */
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u32 lccmr; /* Color Cursor Mapping */
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u32 lpcr; /* Panel Configuration */
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u32 lhcr; /* Horizontal Configuration */
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u32 lvcr; /* Vertical Configuration */
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u32 lpor; /* Panning Offset */
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u32 lscr; /* Sharp Configuration */
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u32 lpccr; /* PWM Contrast Control */
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u32 ldcr; /* DMA Control */
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u32 lrmcr; /* Refresh Mode Control */
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u32 licr; /* Interrupt Configuration */
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u32 lier; /* Interrupt Enable */
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u32 lisr; /* Interrupt Status */
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u32 res0[3];
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u32 lgwsar; /* Graphic Window Start Address */
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u32 lgwsr; /* Graphic Window Size */
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u32 lgwvpwr; /* Graphic Window Virtual Page Width Regist */
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u32 lgwpor; /* Graphic Window Panning Offset */
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u32 lgwpr; /* Graphic Window Position */
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u32 lgwcr; /* Graphic Window Control */
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u32 lgwdcr; /* Graphic Window DMA Control */
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u32 res1[5];
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u32 lauscr; /* AUS Mode Control */
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u32 lausccr; /* AUS mode Cursor Control */
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u32 res2[31 + 64*7];
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u32 bglut; /* Background Lookup Table */
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u32 gwlut; /* Graphic Window Lookup Table */
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};
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/* Wireless External Interface Module Registers */
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struct weim_regs {
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u32 cscr0u; /* Chip Select 0 Upper Register */
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u32 cscr0l; /* Chip Select 0 Lower Register */
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u32 cscr0a; /* Chip Select 0 Addition Register */
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u32 pad0;
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u32 cscr1u; /* Chip Select 1 Upper Register */
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u32 cscr1l; /* Chip Select 1 Lower Register */
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u32 cscr1a; /* Chip Select 1 Addition Register */
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u32 pad1;
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u32 cscr2u; /* Chip Select 2 Upper Register */
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u32 cscr2l; /* Chip Select 2 Lower Register */
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u32 cscr2a; /* Chip Select 2 Addition Register */
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u32 pad2;
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u32 cscr3u; /* Chip Select 3 Upper Register */
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u32 cscr3l; /* Chip Select 3 Lower Register */
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u32 cscr3a; /* Chip Select 3 Addition Register */
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u32 pad3;
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u32 cscr4u; /* Chip Select 4 Upper Register */
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u32 cscr4l; /* Chip Select 4 Lower Register */
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u32 cscr4a; /* Chip Select 4 Addition Register */
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u32 pad4;
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u32 cscr5u; /* Chip Select 5 Upper Register */
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u32 cscr5l; /* Chip Select 5 Lower Register */
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u32 cscr5a; /* Chip Select 5 Addition Register */
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u32 pad5;
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u32 wcr; /* WEIM Configuration Register */
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};
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/* Multi-Master Memory Interface */
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struct m3if_regs {
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u32 ctl; /* Control Register */
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u32 wcfg0; /* Watermark Configuration Register 0 */
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u32 wcfg1; /* Watermark Configuration Register1 */
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u32 wcfg2; /* Watermark Configuration Register2 */
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u32 wcfg3; /* Watermark Configuration Register 3 */
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u32 wcfg4; /* Watermark Configuration Register 4 */
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u32 wcfg5; /* Watermark Configuration Register 5 */
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u32 wcfg6; /* Watermark Configuration Register 6 */
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u32 wcfg7; /* Watermark Configuration Register 7 */
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u32 wcsr; /* Watermark Control and Status Register */
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u32 scfg0; /* Snooping Configuration Register 0 */
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u32 scfg1; /* Snooping Configuration Register 1 */
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u32 scfg2; /* Snooping Configuration Register 2 */
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u32 ssr0; /* Snooping Status Register 0 */
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u32 ssr1; /* Snooping Status Register 1 */
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u32 res0;
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u32 mlwe0; /* Master Lock WEIM CS0 Register */
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u32 mlwe1; /* Master Lock WEIM CS1 Register */
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u32 mlwe2; /* Master Lock WEIM CS2 Register */
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u32 mlwe3; /* Master Lock WEIM CS3 Register */
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u32 mlwe4; /* Master Lock WEIM CS4 Register */
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u32 mlwe5; /* Master Lock WEIM CS5 Register */
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};
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/* Pulse width modulation */
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struct pwm_regs {
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u32 cr; /* Control Register */
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u32 sr; /* Status Register */
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u32 ir; /* Interrupt Register */
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u32 sar; /* Sample Register */
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u32 pr; /* Period Register */
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u32 cnr; /* Counter Register */
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};
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/* Enhanced Periodic Interrupt Timer */
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struct epit_regs {
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u32 cr; /* Control register */
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u32 sr; /* Status register */
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u32 lr; /* Load register */
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u32 cmpr; /* Compare register */
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u32 cnr; /* Counter register */
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};
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/* CSPI registers */
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struct cspi_regs {
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u32 rxdata;
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u32 txdata;
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u32 ctrl;
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u32 intr;
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u32 dma;
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u32 stat;
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u32 period;
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u32 test;
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};
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#endif
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#define ARCH_MXC
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/* AIPS 1 */
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#define IMX_AIPS1_BASE (0x43F00000)
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#define IMX_MAX_BASE (0x43F04000)
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#define IMX_CLKCTL_BASE (0x43F08000)
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#define IMX_ETB_SLOT4_BASE (0x43F0C000)
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#define IMX_ETB_SLOT5_BASE (0x43F10000)
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#define IMX_ECT_CTIO_BASE (0x43F18000)
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#define I2C1_BASE_ADDR (0x43F80000)
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#define I2C3_BASE_ADDR (0x43F84000)
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#define IMX_CAN1_BASE (0x43F88000)
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#define IMX_CAN2_BASE (0x43F8C000)
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#define UART1_BASE (0x43F90000)
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#define UART2_BASE (0x43F94000)
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#define I2C2_BASE_ADDR (0x43F98000)
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#define IMX_OWIRE_BASE (0x43F9C000)
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#define IMX_CSPI1_BASE (0x43FA4000)
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#define IMX_KPP_BASE (0x43FA8000)
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#define IMX_IOPADMUX_BASE (0x43FAC000)
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#define IOMUXC_BASE_ADDR IMX_IOPADMUX_BASE
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#define IMX_IOPADCTL_BASE (0x43FAC22C)
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#define IMX_IOPADGRPCTL_BASE (0x43FAC418)
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#define IMX_IOPADINPUTSEL_BASE (0x43FAC460)
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#define IMX_AUDMUX_BASE (0x43FB0000)
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#define IMX_ECT_IP1_BASE (0x43FB8000)
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#define IMX_ECT_IP2_BASE (0x43FBC000)
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/* SPBA */
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#define IMX_SPBA_BASE (0x50000000)
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#define IMX_CSPI3_BASE (0x50004000)
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#define UART4_BASE (0x50008000)
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#define UART3_BASE (0x5000C000)
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#define IMX_CSPI2_BASE (0x50010000)
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#define IMX_SSI2_BASE (0x50014000)
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#define IMX_ESAI_BASE (0x50018000)
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#define IMX_ATA_DMA_BASE (0x50020000)
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#define IMX_SIM1_BASE (0x50024000)
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#define IMX_SIM2_BASE (0x50028000)
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#define UART5_BASE (0x5002C000)
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#define IMX_TSC_BASE (0x50030000)
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#define IMX_SSI1_BASE (0x50034000)
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#define IMX_FEC_BASE (0x50038000)
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#define IMX_SPBA_CTRL_BASE (0x5003C000)
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/* AIPS 2 */
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#define IMX_AIPS2_BASE (0x53F00000)
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#define IMX_CCM_BASE (0x53F80000)
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#define IMX_GPT4_BASE (0x53F84000)
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#define IMX_GPT3_BASE (0x53F88000)
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#define IMX_GPT2_BASE (0x53F8C000)
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#define IMX_GPT1_BASE (0x53F90000)
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#define IMX_EPIT1_BASE (0x53F94000)
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#define IMX_EPIT2_BASE (0x53F98000)
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#define IMX_GPIO4_BASE (0x53F9C000)
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#define IMX_PWM2_BASE (0x53FA0000)
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#define IMX_GPIO3_BASE (0x53FA4000)
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#define IMX_PWM3_BASE (0x53FA8000)
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#define IMX_SCC_BASE (0x53FAC000)
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#define IMX_SCM_BASE (0x53FAE000)
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#define IMX_SMN_BASE (0x53FAF000)
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#define IMX_RNGD_BASE (0x53FB0000)
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#define IMX_MMC_SDHC1_BASE (0x53FB4000)
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#define IMX_MMC_SDHC2_BASE (0x53FB8000)
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#define IMX_LCDC_BASE (0x53FBC000)
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#define IMX_SLCDC_BASE (0x53FC0000)
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#define IMX_PWM4_BASE (0x53FC8000)
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#define IMX_GPIO1_BASE (0x53FCC000)
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#define IMX_GPIO2_BASE (0x53FD0000)
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#define IMX_SDMA_BASE (0x53FD4000)
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#define IMX_WDT_BASE (0x53FDC000)
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#define WDOG1_BASE_ADDR IMX_WDT_BASE
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#define IMX_PWM1_BASE (0x53FE0000)
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#define IMX_RTIC_BASE (0x53FEC000)
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#define IMX_IIM_BASE (0x53FF0000)
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#define IIM_BASE_ADDR IMX_IIM_BASE
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#define IMX_USB_BASE (0x53FF4000)
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/*
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* This is in contradiction to the imx25 reference manual, which says that
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* port 1's registers start at 0x53FF4200. The correct base address for
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* port 1 is 0x53FF4400. The kernel uses 0x53FF4400 as well.
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*/
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#define IMX_USB_PORT_OFFSET 0x400
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#define IMX_CSI_BASE (0x53FF8000)
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#define IMX_DRYICE_BASE (0x53FFC000)
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#define IMX_ARM926_ROMPATCH (0x60000000)
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#define IMX_ARM926_ASIC (0x68000000)
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/* 128K Internal Static RAM */
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#define IMX_RAM_BASE (0x78000000)
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#define IMX_RAM_SIZE (128 * 1024)
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/* SDRAM BANKS */
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#define IMX_SDRAM_BANK0_BASE (0x80000000)
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#define IMX_SDRAM_BANK1_BASE (0x90000000)
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#define IMX_WEIM_CS0 (0xA0000000)
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#define IMX_WEIM_CS1 (0xA8000000)
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#define IMX_WEIM_CS2 (0xB0000000)
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#define IMX_WEIM_CS3 (0xB2000000)
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#define IMX_WEIM_CS4 (0xB4000000)
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#define IMX_ESDRAMC_BASE (0xB8001000)
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#define IMX_WEIM_CTRL_BASE (0xB8002000)
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#define IMX_M3IF_CTRL_BASE (0xB8003000)
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#define IMX_EMI_CTRL_BASE (0xB8004000)
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/* NAND Flash Controller */
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#define IMX_NFC_BASE (0xBB000000)
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#define NFC_BASE_ADDR IMX_NFC_BASE
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/* CCM bitfields */
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#define CCM_PLL_MFI_SHIFT 10
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#define CCM_PLL_MFI_MASK 0xf
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#define CCM_PLL_MFN_SHIFT 0
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#define CCM_PLL_MFN_MASK 0x3ff
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#define CCM_PLL_MFD_SHIFT 16
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#define CCM_PLL_MFD_MASK 0x3ff
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#define CCM_PLL_PD_SHIFT 26
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#define CCM_PLL_PD_MASK 0xf
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#define CCM_CCTL_ARM_DIV_SHIFT 30
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#define CCM_CCTL_ARM_DIV_MASK 3
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#define CCM_CCTL_AHB_DIV_SHIFT 28
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#define CCM_CCTL_AHB_DIV_MASK 3
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#define CCM_CCTL_ARM_SRC (1 << 14)
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#define CCM_CGR1_GPT1 (1 << 19)
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#define CCM_PERCLK_REG(clk) (clk / 4)
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#define CCM_PERCLK_SHIFT(clk) (8 * (clk % 4))
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#define CCM_PERCLK_MASK 0x3f
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#define CCM_RCSR_NF_16BIT_SEL (1 << 14)
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#define CCM_RCSR_NF_PS(v) ((v >> 26) & 3)
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#define CCM_CRDR_BT_UART_SRC_SHIFT 29
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#define CCM_CRDR_BT_UART_SRC_MASK 7
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/* ESDRAM Controller register bitfields */
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#define ESDCTL_PRCT(x) (((x) & 0x3f) << 0)
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#define ESDCTL_BL (1 << 7)
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#define ESDCTL_FP (1 << 8)
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#define ESDCTL_PWDT(x) (((x) & 3) << 10)
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#define ESDCTL_SREFR(x) (((x) & 7) << 13)
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#define ESDCTL_DSIZ_16_UPPER (0 << 16)
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#define ESDCTL_DSIZ_16_LOWER (1 << 16)
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#define ESDCTL_DSIZ_32 (2 << 16)
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#define ESDCTL_COL8 (0 << 20)
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#define ESDCTL_COL9 (1 << 20)
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#define ESDCTL_COL10 (2 << 20)
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#define ESDCTL_ROW11 (0 << 24)
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#define ESDCTL_ROW12 (1 << 24)
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#define ESDCTL_ROW13 (2 << 24)
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#define ESDCTL_ROW14 (3 << 24)
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#define ESDCTL_ROW15 (4 << 24)
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#define ESDCTL_SP (1 << 27)
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#define ESDCTL_SMODE_NORMAL (0 << 28)
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#define ESDCTL_SMODE_PRECHARGE (1 << 28)
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#define ESDCTL_SMODE_AUTO_REF (2 << 28)
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#define ESDCTL_SMODE_LOAD_MODE (3 << 28)
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#define ESDCTL_SMODE_MAN_REF (4 << 28)
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#define ESDCTL_SDE (1 << 31)
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#define ESDCFG_TRC(x) (((x) & 0xf) << 0)
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#define ESDCFG_TRCD(x) (((x) & 0x7) << 4)
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#define ESDCFG_TCAS(x) (((x) & 0x3) << 8)
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#define ESDCFG_TRRD(x) (((x) & 0x3) << 10)
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#define ESDCFG_TRAS(x) (((x) & 0x7) << 12)
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#define ESDCFG_TWR (1 << 15)
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#define ESDCFG_TMRD(x) (((x) & 0x3) << 16)
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#define ESDCFG_TRP(x) (((x) & 0x3) << 18)
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#define ESDCFG_TWTR (1 << 20)
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#define ESDCFG_TXP(x) (((x) & 0x3) << 21)
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#define ESDMISC_RST (1 << 1)
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#define ESDMISC_MDDREN (1 << 2)
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#define ESDMISC_MDDR_DL_RST (1 << 3)
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#define ESDMISC_MDDR_MDIS (1 << 4)
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#define ESDMISC_LHD (1 << 5)
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#define ESDMISC_MA10_SHARE (1 << 6)
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#define ESDMISC_SDRAM_RDY (1 << 31)
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/* GPT bits */
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#define GPT_CTRL_SWR (1 << 15) /* Software reset */
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#define GPT_CTRL_FRR (1 << 9) /* Freerun / restart */
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#define GPT_CTRL_CLKSOURCE_32 (4 << 6) /* Clock source */
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#define GPT_CTRL_TEN 1 /* Timer enable */
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/* WDOG enable */
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#define WCR_WDE 0x04
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#define WSR_UNLOCK1 0x5555
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#define WSR_UNLOCK2 0xAAAA
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/* MAX bits */
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#define MAX_MGPCR_AULB(x) (((x) & 0x7) << 0)
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/* M3IF bits */
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#define M3IF_CTL_MRRP(x) (((x) & 0xff) << 0)
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/* WEIM bits */
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/* 13 fields of the upper CS control register */
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#define WEIM_CSCR_U(sp, wp, bcd, bcs, psz, pme, sync, dol, \
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cnc, wsc, ew, wws, edc) \
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((sp) << 31 | (wp) << 30 | (bcd) << 28 | (bcs) << 24 | \
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(psz) << 22 | (pme) << 21 | (sync) << 20 | (dol) << 16 | \
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(cnc) << 14 | (wsc) << 8 | (ew) << 7 | (wws) << 4 | (edc) << 0)
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/* 12 fields of the lower CS control register */
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#define WEIM_CSCR_L(oea, oen, ebwa, ebwn, \
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csa, ebc, dsz, csn, psr, cre, wrap, csen) \
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((oea) << 28 | (oen) << 24 | (ebwa) << 20 | (ebwn) << 16 |\
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(csa) << 12 | (ebc) << 11 | (dsz) << 8 | (csn) << 4 |\
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(psr) << 3 | (cre) << 2 | (wrap) << 1 | (csen) << 0)
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/* 14 fields of the additional CS control register */
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#define WEIM_CSCR_A(ebra, ebrn, rwa, rwn, mum, lah, lbn, lba, dww, dct, \
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wwu, age, cnc2, fce) \
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((ebra) << 28 | (ebrn) << 24 | (rwa) << 20 | (rwn) << 16 |\
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(mum) << 15 | (lah) << 13 | (lbn) << 10 | (lba) << 8 |\
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(dww) << 6 | (dct) << 4 | (wwu) << 3 |\
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(age) << 2 | (cnc2) << 1 | (fce) << 0)
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/* Names used in GPIO driver */
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#define GPIO1_BASE_ADDR IMX_GPIO1_BASE
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#define GPIO2_BASE_ADDR IMX_GPIO2_BASE
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#define GPIO3_BASE_ADDR IMX_GPIO3_BASE
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#define GPIO4_BASE_ADDR IMX_GPIO4_BASE
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/*
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* CSPI register definitions
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*/
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#define MXC_CSPI
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#define MXC_CSPICTRL_EN (1 << 0)
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#define MXC_CSPICTRL_MODE (1 << 1)
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#define MXC_CSPICTRL_XCH (1 << 2)
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#define MXC_CSPICTRL_SMC (1 << 3)
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#define MXC_CSPICTRL_POL (1 << 4)
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#define MXC_CSPICTRL_PHA (1 << 5)
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#define MXC_CSPICTRL_SSCTL (1 << 6)
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#define MXC_CSPICTRL_SSPOL (1 << 7)
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#define MXC_CSPICTRL_CHIPSELECT(x) (((x) & 0x3) << 12)
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#define MXC_CSPICTRL_BITCOUNT(x) (((x) & 0xfff) << 20)
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#define MXC_CSPICTRL_DATARATE(x) (((x) & 0x7) << 16)
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#define MXC_CSPICTRL_TC (1 << 7)
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#define MXC_CSPICTRL_RXOVF (1 << 6)
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#define MXC_CSPICTRL_MAXBITS 0xfff
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#define MXC_CSPIPERIOD_32KHZ (1 << 15)
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#define MAX_SPI_BYTES 4
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#define MXC_SPI_BASE_ADDRESSES \
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IMX_CSPI1_BASE, \
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IMX_CSPI2_BASE, \
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IMX_CSPI3_BASE
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#endif /* _IMX_REGS_H */
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