[ADS5121] Support for the ADS5121 board
The following MPC5121e subsystems are supported:
- low-level CPU init
- NOR Boot Flash (common CFI driver)
- DDR SDRAM
- FEC
- I2C
- Watchdog
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
Signed-off-by: Rafal Jaworowski <raj@semihalf.com>
Signed-off-by: Jan Wrobel <wrr@semihalf.com>
diff --git a/include/mpc512x.h b/include/mpc512x.h
new file mode 100644
index 0000000..03e0e9a
--- /dev/null
+++ b/include/mpc512x.h
@@ -0,0 +1,398 @@
+/*
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * Derived from the MPC83xx header.
+ */
+
+#ifndef __MPC512X_H__
+#define __MPC512X_H__
+
+#include <config.h>
+#if defined(CONFIG_E300)
+#include <asm/e300.h>
+#endif
+
+/* System reset offset (PowerPC standard)
+ */
+#define EXC_OFF_SYS_RESET 0x0100
+#define _START_OFFSET EXC_OFF_SYS_RESET
+
+
+/* IMMRBAR - Internal Memory Register Base Address
+ */
+#define CONFIG_DEFAULT_IMMR 0xFF400000 /* Default IMMR base address */
+#define IMMRBAR 0x0000 /* Register offset to immr */
+#define IMMRBAR_BASE_ADDR 0xFFF00000 /* Base address mask */
+#define IMMRBAR_RES ~(IMMRBAR_BASE_ADDR)
+
+/* LAWBAR - Local Access Window Base Address Register
+ */
+#define LPBAW 0x0020 /* Register offset to immr */
+#define LPCS0AW 0x0024
+#define LPCS1AW 0x0028
+#define LPCS2AW 0x002C
+#define LPCS3AW 0x0030
+#define LPCS4AW 0x0034
+#define LPCS5AW 0x0038
+#define LPCS6AW 0x003C
+#define LPCA7AW 0x0040
+#define SRAMBAR 0x00C4
+
+#define LPC_OFFSET 0x10000
+
+#define CS0_CONFIG 0x00000
+#define CS1_CONFIG 0x00004
+#define CS2_CONFIG 0x00008
+#define CS3_CONFIG 0x0000C
+#define CS4_CONFIG 0x00010
+#define CS5_CONFIG 0x00014
+#define CS6_CONFIG 0x00018
+#define CS7_CONFIG 0x0001C
+
+#define CS_CTRL 0x00020
+#define CS_CTRL_ME 0x01000000 /* CS Master Enable bit */
+#define CS_CTRL_IE 0x08000000 /* CS Interrupt Enable bit */
+
+/* SPRIDR - System Part and Revision ID Register
+ */
+#define SPRIDR_PARTID 0xFFFF0000 /* Part Identification */
+#define SPRIDR_REVID 0x0000FFFF /* Revision Identification */
+
+#define SPR_5121E 0x80180000
+
+/* SPCR - System Priority Configuration Register
+ */
+#define SPCR_PCIHPE 0x10000000 /* PCI Highest Priority Enable */
+#define SPCR_PCIHPE_SHIFT (31-3)
+#define SPCR_PCIPR 0x03000000 /* PCI bridge system bus request priority */
+#define SPCR_PCIPR_SHIFT (31-7)
+#define SPCR_TBEN 0x00400000 /* E300 PowerPC core time base unit enable */
+#define SPCR_TBEN_SHIFT (31-9)
+#define SPCR_COREPR 0x00300000 /* E300 PowerPC Core system bus request priority */
+#define SPCR_COREPR_SHIFT (31-11)
+
+/* SWCRR - System Watchdog Control Register
+ */
+#define SWCRR 0x0904 /* Register offset to immr */
+#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count */
+#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit */
+#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit */
+#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit */
+#define SWCRR_RES ~(SWCRR_SWTC | SWCRR_SWEN | SWCRR_SWRI | SWCRR_SWPR)
+
+/* SWCNR - System Watchdog Counter Register
+ */
+#define SWCNR 0x0908 /* Register offset to immr */
+#define SWCNR_SWCN 0x0000FFFF /* Software Watchdog Count mask */
+#define SWCNR_RES ~(SWCNR_SWCN)
+
+/* SWSRR - System Watchdog Service Register
+ */
+#define SWSRR 0x090E /* Register offset to immr */
+
+/* ACR - Arbiter Configuration Register
+ */
+#define ACR_COREDIS 0x10000000 /* Core disable */
+#define ACR_COREDIS_SHIFT (31-7)
+#define ACR_PIPE_DEP 0x00070000 /* Pipeline depth */
+#define ACR_PIPE_DEP_SHIFT (31-15)
+#define ACR_PCI_RPTCNT 0x00007000 /* PCI repeat count */
+#define ACR_PCI_RPTCNT_SHIFT (31-19)
+#define ACR_RPTCNT 0x00000700 /* Repeat count */
+#define ACR_RPTCNT_SHIFT (31-23)
+#define ACR_APARK 0x00000030 /* Address parking */
+#define ACR_APARK_SHIFT (31-27)
+#define ACR_PARKM 0x0000000F /* Parking master */
+#define ACR_PARKM_SHIFT (31-31)
+
+/* ATR - Arbiter Timers Register
+ */
+#define ATR_DTO 0x00FF0000 /* Data time out */
+#define ATR_ATO 0x000000FF /* Address time out */
+
+/* AER - Arbiter Event Register
+ */
+#define AER_ETEA 0x00000020 /* Transfer error */
+#define AER_RES 0x00000010 /* Reserved transfer type */
+#define AER_ECW 0x00000008 /* External control word transfer type */
+#define AER_AO 0x00000004 /* Address Only transfer type */
+#define AER_DTO 0x00000002 /* Data time out */
+#define AER_ATO 0x00000001 /* Address time out */
+
+/* AEATR - Arbiter Event Address Register
+ */
+#define AEATR_EVENT 0x07000000 /* Event type */
+#define AEATR_MSTR_ID 0x001F0000 /* Master Id */
+#define AEATR_TBST 0x00000800 /* Transfer burst */
+#define AEATR_TSIZE 0x00000700 /* Transfer Size */
+#define AEATR_TTYPE 0x0000001F /* Transfer Type */
+
+/* RSR - Reset Status Register
+ */
+#define RSR_SWSR 0x00002000 /* software soft reset */
+#define RSR_SWSR_SHIFT 13
+#define RSR_SWHR 0x00001000 /* software hard reset */
+#define RSR_SWHR_SHIFT 12
+#define RSR_JHRS 0x00000200 /* jtag hreset */
+#define RSR_JHRS_SHIFT 9
+#define RSR_JSRS 0x00000100 /* jtag sreset status */
+#define RSR_JSRS_SHIFT 8
+#define RSR_CSHR 0x00000010 /* checkstop reset status */
+#define RSR_CSHR_SHIFT 4
+#define RSR_SWRS 0x00000008 /* software watchdog reset status */
+#define RSR_SWRS_SHIFT 3
+#define RSR_BMRS 0x00000004 /* bus monitop reset status */
+#define RSR_BMRS_SHIFT 2
+#define RSR_SRS 0x00000002 /* soft reset status */
+#define RSR_SRS_SHIFT 1
+#define RSR_HRS 0x00000001 /* hard reset status */
+#define RSR_HRS_SHIFT 0
+#define RSR_RES ~(RSR_SWSR | RSR_SWHR |\
+ RSR_JHRS | RSR_JSRS | RSR_CSHR | RSR_SWRS |\
+ RSR_BMRS | RSR_SRS | RSR_HRS)
+/* RMR - Reset Mode Register
+ */
+#define RMR_CSRE 0x00000001 /* checkstop reset enable */
+#define RMR_CSRE_SHIFT 0
+#define RMR_RES ~(RMR_CSRE)
+
+/* RCR - Reset Control Register
+ */
+#define RCR_SWHR 0x00000002 /* software hard reset */
+#define RCR_SWSR 0x00000001 /* software soft reset */
+#define RCR_RES ~(RCR_SWHR | RCR_SWSR)
+
+/* RCER - Reset Control Enable Register
+ */
+#define RCER_CRE 0x00000001 /* software hard reset */
+#define RCER_RES ~(RCER_CRE)
+
+/* SPMR - System PLL Mode Register
+ */
+#define SPMR_SPMF 0x0F000000
+#define SPMR_SPMF_SHIFT 24
+#define SPMR_CPMF 0x000F0000
+#define SPMR_CPMF_SHIFT 16
+
+/* SCFR1 System Clock Frequency Register 1
+ */
+#define SCFR1_IPS_DIV 0x2
+#define SCFR1_IPS_DIV_MASK 0x03800000
+#define SCFR1_IPS_DIV_SHIFT 23
+
+/* SCFR2 System Clock Frequency Register 2
+ */
+#define SCFR2_SYS_DIV 0xFC000000
+#define SCFR2_SYS_DIV_SHIFT 26
+
+/* SCCR - System Clock Control Registers
+ */
+
+/* System Clock Control Register 1 commands */
+#define CLOCK_SCCR1_CFG_EN 0x80000000
+#define CLOCK_SCCR1_LPC_EN 0x40000000
+#define CLOCK_SCCR1_NFC_EN 0x20000000
+#define CLOCK_SCCR1_PATA_EN 0x10000000
+#define CLOCK_SCCR1_PSC_EN(cn) (0x08000000 >> (cn))
+#define CLOCK_SCCR1_PSCFIFO_EN 0x00008000
+#define CLOCK_SCCR1_SATA_EN 0x00004000
+#define CLOCK_SCCR1_FEC_EN 0x00002000
+#define CLOCK_SCCR1_TPR_EN 0x00001000
+#define CLOCK_SCCR1_PCI_EN 0x00000800
+#define CLOCK_SCCR1_DDR_EN 0x00000400
+
+/* System Clock Control Register 2 commands */
+#define CLOCK_SCCR2_DIU_EN 0x80000000
+#define CLOCK_SCCR2_AXE_EN 0x40000000
+#define CLOCK_SCCR2_MEM_EN 0x20000000
+#define CLOCK_SCCR2_USB2_EN 0x10000000
+#define CLOCK_SCCR2_USB1_EN 0x08000000
+#define CLOCK_SCCR2_I2C_EN 0x04000000
+#define CLOCK_SCCR2_BDLC_EN 0x02000000
+#define CLOCK_SCCR2_SDHC_EN 0x01000000
+#define CLOCK_SCCR2_SPDIF_EN 0x00800000
+#define CLOCK_SCCR2_MBX_BUS_EN 0x00400000
+#define CLOCK_SCCR2_MBX_EN 0x00200000
+#define CLOCK_SCCR2_MBX_3D_EN 0x00100000
+#define CLOCK_SCCR2_IIM_EN 0x00080000
+
+/* PSC FIFO Command values */
+#define PSC_FIFO_RESET_SLICE 0x80
+#define PSC_FIFO_ENABLE_SLICE 0x01
+
+/* PSC FIFO Controller Command values */
+#define FIFOC_ENABLE_CLOCK_GATE 0x01
+#define FIFOC_DISABLE_CLOCK_GATE 0x00
+
+/* PSC FIFO status */
+#define PSC_FIFO_EMPTY 0x01
+
+/* PSC Command values */
+#define PSC_RX_ENABLE 0x01
+#define PSC_RX_DISABLE 0x02
+#define PSC_TX_ENABLE 0x04
+#define PSC_TX_DISABLE 0x08
+#define PSC_SEL_MODE_REG_1 0x10
+#define PSC_RST_RX 0x20
+#define PSC_RST_TX 0x30
+#define PSC_RST_ERR_STAT 0x40
+#define PSC_RST_BRK_CHG_INT 0x50
+#define PSC_START_BRK 0x60
+#define PSC_STOP_BRK 0x70
+
+/* PSC status register bits */
+#define PSC_SR_CDE 0x0080
+#define PSC_SR_TXEMP 0x0800
+#define PSC_SR_OE 0x1000
+#define PSC_SR_PE 0x2000
+#define PSC_SR_FE 0x4000
+#define PSC_SR_RB 0x8000
+
+/* PSC mode fields */
+#define PSC_MODE_5_BITS 0x00
+#define PSC_MODE_6_BITS 0x01
+#define PSC_MODE_7_BITS 0x02
+#define PSC_MODE_8_BITS 0x03
+#define PSC_MODE_PAREVEN 0x00
+#define PSC_MODE_PARODD 0x04
+#define PSC_MODE_PARFORCE 0x08
+#define PSC_MODE_PARNONE 0x10
+#define PSC_MODE_ENTIMEOUT 0x20
+#define PSC_MODE_RXRTS 0x80
+#define PSC_MODE_1_STOPBIT 0x07
+
+/*
+ * Centralized FIFO Controller has internal memory for all 12 PSCs FIFOs
+ *
+ * NOTE: individual PSC units are free to use whatever area (and size) of the
+ * FIFOC internal memory, so make sure memory areas for FIFO slices used by
+ * different PSCs do not overlap!
+ *
+ * Overall size of FIFOC memory is not documented in the MPC5121e RM, but
+ * tests indicate that it is 1024 words total.
+ */
+#define FIFOC_PSC0_TX_SIZE 0x0 /* number of 4-byte words for FIFO slice */
+#define FIFOC_PSC0_TX_ADDR 0x0
+#define FIFOC_PSC0_RX_SIZE 0x0
+#define FIFOC_PSC0_RX_ADDR 0x0
+
+#define FIFOC_PSC1_TX_SIZE 0x0
+#define FIFOC_PSC1_TX_ADDR 0x0
+#define FIFOC_PSC1_RX_SIZE 0x0
+#define FIFOC_PSC1_RX_ADDR 0x0
+
+#define FIFOC_PSC2_TX_SIZE 0x0
+#define FIFOC_PSC2_TX_ADDR 0x0
+#define FIFOC_PSC2_RX_SIZE 0x0
+#define FIFOC_PSC2_RX_ADDR 0x0
+
+#define FIFOC_PSC3_TX_SIZE 0x04
+#define FIFOC_PSC3_TX_ADDR 0x0
+#define FIFOC_PSC3_RX_SIZE 0x04
+#define FIFOC_PSC3_RX_ADDR 0x10
+
+#define FIFOC_PSC4_TX_SIZE 0x0
+#define FIFOC_PSC4_TX_ADDR 0x0
+#define FIFOC_PSC4_RX_SIZE 0x0
+#define FIFOC_PSC4_RX_ADDR 0x0
+
+#define FIFOC_PSC5_TX_SIZE 0x0
+#define FIFOC_PSC5_TX_ADDR 0x0
+#define FIFOC_PSC5_RX_SIZE 0x0
+#define FIFOC_PSC5_RX_ADDR 0x0
+
+#define FIFOC_PSC6_TX_SIZE 0x0
+#define FIFOC_PSC6_TX_ADDR 0x0
+#define FIFOC_PSC6_RX_SIZE 0x0
+#define FIFOC_PSC6_RX_ADDR 0x0
+
+#define FIFOC_PSC7_TX_SIZE 0x0
+#define FIFOC_PSC7_TX_ADDR 0x0
+#define FIFOC_PSC7_RX_SIZE 0x0
+#define FIFOC_PSC7_RX_ADDR 0x0
+
+#define FIFOC_PSC8_TX_SIZE 0x0
+#define FIFOC_PSC8_TX_ADDR 0x0
+#define FIFOC_PSC8_RX_SIZE 0x0
+#define FIFOC_PSC8_RX_ADDR 0x0
+
+#define FIFOC_PSC9_TX_SIZE 0x0
+#define FIFOC_PSC9_TX_ADDR 0x0
+#define FIFOC_PSC9_RX_SIZE 0x0
+#define FIFOC_PSC9_RX_ADDR 0x0
+
+#define FIFOC_PSC10_TX_SIZE 0x0
+#define FIFOC_PSC10_TX_ADDR 0x0
+#define FIFOC_PSC10_RX_SIZE 0x0
+#define FIFOC_PSC10_RX_ADDR 0x0
+
+#define FIFOC_PSC11_TX_SIZE 0x0
+#define FIFOC_PSC11_TX_ADDR 0x0
+#define FIFOC_PSC11_RX_SIZE 0x0
+#define FIFOC_PSC11_RX_ADDR 0x0
+
+/* IO Control Register
+ */
+
+/* Indexes in regs array */
+#define MEM_IDX 0x00
+#define SPDIF_TXCLOCK_IDX 0x73
+#define SPDIF_TX_IDX 0x74
+#define SPDIF_RX_IDX 0x75
+#define PSC0_0_IDX 0x83
+#define PSC0_1_IDX 0x84
+#define PSC0_2_IDX 0x85
+#define PSC0_3_IDX 0x86
+#define PSC0_4_IDX 0x87
+#define PSC1_0_IDX 0x88
+#define PSC1_1_IDX 0x89
+#define PSC1_2_IDX 0x8a
+#define PSC1_3_IDX 0x8b
+#define PSC1_4_IDX 0x8c
+#define PSC2_0_IDX 0x8d
+#define PSC2_1_IDX 0x8e
+#define PSC2_2_IDX 0x8f
+#define PSC2_3_IDX 0x90
+#define PSC2_4_IDX 0x91
+
+#define IOCTRL_FUNCMUX_SHIFT 7
+#define IOCTRL_FUNCMUX_FEC 1
+#define IOCTRL_MUX_FEC (IOCTRL_FUNCMUX_FEC << IOCTRL_FUNCMUX_SHIFT)
+
+/* Set for DDR */
+#define IOCTRL_MUX_DDR 0x00000036
+
+ /* Register Offset Base */
+#define MPC512X_FEC (CFG_IMMR + 0x02800)
+
+/* Number of I2C buses */
+#define I2C_BUS_CNT 3
+
+/* I2Cn control register bits */
+#define I2C_EN 0x80
+#define I2C_IEN 0x40
+#define I2C_STA 0x20
+#define I2C_TX 0x10
+#define I2C_TXAK 0x08
+#define I2C_RSTA 0x04
+#define I2C_INIT_MASK (I2C_EN | I2C_STA | I2C_TX | I2C_RSTA)
+
+/* I2Cn status register bits */
+#define I2C_CF 0x80
+#define I2C_AAS 0x40
+#define I2C_BB 0x20
+#define I2C_AL 0x10
+#define I2C_SRW 0x04
+#define I2C_IF 0x02
+#define I2C_RXAK 0x01
+
+#endif /* __MPC512X_H__ */