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/*
* (C) Copyright 2005
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*----------------------------------------------------------------------------+
| FPGA registers and bit definitions
+----------------------------------------------------------------------------*/
/*
* PowerPC 440EP Board FPGA is reached with physical address 0x80001FF0.
* TLB initialization makes it correspond to logical address 0x80001FF0.
* => Done init_chip.s in bootlib
*/
#define FPGA_BASE_ADDR 0x80002000
/*----------------------------------------------------------------------------+
| Board Jumpers Setting Register
| Board Settings provided by jumpers
+----------------------------------------------------------------------------*/
#define FPGA_SETTING_REG (FPGA_BASE_ADDR+0x3)
/* Boot from small flash */
#define FPGA_SET_REG_BOOT_SMALL_FLASH 0x80
/* Operational Flash versus SRAM position in Memory Map */
#define FPGA_SET_REG_OP_CODE_SRAM_SEL_MASK 0x40
#define FPGA_SET_REG_OP_CODE_FLASH_ABOVE 0x40
#define FPGA_SET_REG_SRAM_ABOVE 0x00
/* Boot From NAND Flash */
#define FPGA_SET_REG_BOOT_NAND_FLASH_MASK 0x40
#define FPGA_SET_REG_BOOT_NAND_FLASH_SELECT 0x00
/* On Board PCI Arbiter Select */
#define FPGA_SET_REG_PCI_EXT_ARBITER_SEL_MASK 0x10
#define FPGA_SET_REG_PCI_EXT_ARBITER_SEL 0x00
/*----------------------------------------------------------------------------+
| Functions Selection Register 1
+----------------------------------------------------------------------------*/
#define FPGA_SELECTION_1_REG (FPGA_BASE_ADDR+0x4)
#define FPGA_SEL_1_REG_PHY_MASK 0xE0
#define FPGA_SEL_1_REG_MII 0x80
#define FPGA_SEL_1_REG_RMII 0x40
#define FPGA_SEL_1_REG_SMII 0x20
#define FPGA_SEL_1_REG_USB2_DEV_SEL 0x10 /* USB2 Device Selection */
#define FPGA_SEL_1_REG_USB2_HOST_SEL 0x08 /* USB2 Host Selection */
#define FPGA_SEL_1_REG_NF_SELEC_MASK 0x07 /* NF Selection Mask */
#define FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1 0x04 /* NF0 Selected by NF_CS1 */
#define FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2 0x02 /* NF1 Selected by NF_CS2 */
#define FPGA_SEL_1_REG_NF1_SEL_BY_NFCS3 0x01 /* NF1 Selected by NF_CS3 */
/*----------------------------------------------------------------------------+
| Functions Selection Register 2
+----------------------------------------------------------------------------*/
#define FPGA_SELECTION_2_REG (FPGA_BASE_ADDR+0x5)
#define FPGA_SEL2_REG_IIC1_SCP_SEL_MASK 0x80 /* IIC1 / SCP Selection */
#define FPGA_SEL2_REG_SEL_FRAM 0x80 /* FRAM on IIC1 bus selected - SCP Select */
#define FPGA_SEL2_REG_SEL_SCP 0x80 /* Identical to SCP Selection */
#define FPGA_SEL2_REG_SEL_IIC1 0x00 /* IIC1 Selection - Default Value */
#define FPGA_SEL2_REG_SEL_DMA_A_B 0x40 /* DMA A & B channels selected */
#define FPGA_SEL2_REG_SEL_DMA_C_D 0x20 /* DMA C & D channels selected */
#define FPGA_SEL2_REG_DMA_EOT_TC_3_SEL 0x10 /* 0 = EOT - input to 440EP */
/* 1 = TC - output from 440EP */
#define FPGA_SEL2_REG_DMA_EOT_TC_2_SEL 0x08 /* 0 = EOT (input to 440EP) */
/* 1 = TC (output from 440EP) */
#define FPGA_SEL2_REG_SEL_GPIO_1 0x04 /* EBC_GPIO & USB2_GPIO selected */
#define FPGA_SEL2_REG_SEL_GPIO_2 0x02 /* Ether._GPIO & UART_GPIO selected */
#define FPGA_SEL2_REG_SEL_GPIO_3 0x01 /* DMA_GPIO & Trace_GPIO selected */
/*----------------------------------------------------------------------------+
| Functions Selection Register 3
+----------------------------------------------------------------------------*/
#define FPGA_SELECTION_3_REG (FPGA_BASE_ADDR+0x6)
#define FPGA_SEL3_REG_EXP_SLOT_EN 0x80 /* Expansion Slot enabled */
#define FPGA_SEL3_REG_SEL_UART_CONFIG_MASK 0x70
#define FPGA_SEL3_REG_SEL_UART_CONFIG1 0x40 /* one 8_pin UART */
#define FPGA_SEL3_REG_SEL_UART_CONFIG2 0x20 /* two 4_pin UARTs */
#define FPGA_SEL3_REG_SEL_UART_CONFIG3 0x10 /* one 4_pin & two 2_pin UARTs */
#define FPGA_SEL3_REG_SEL_UART_CONFIG4 0x08 /* four 2_pin UARTs */
#define FPGA_SEL3_REG_DTR_DSR_MODE_4_PIN_UART 0x00 /* DTR/DSR mode for 4_pin_UART */
#define FPGA_SEL3_REG_RTS_CTS_MODE_4_PIN_UART 0x04 /* RTS/CTS mode for 4_pin_UART */
/*----------------------------------------------------------------------------+
| Soft Reset Register
+----------------------------------------------------------------------------*/
#define FPGA_RESET_REG (FPGA_BASE_ADDR+0x7)
#define FPGA_RESET_REG_RESET_USB20_DEV 0x80 /* Hard Reset of the GT3200 */
#define FPGA_RESET_REG_RESET_DISPLAY 0x40 /* Hard Reset on Display Device */
#define FPGA_RESET_REG_STATUS_LED_0 0x08 /* 1 = Led On */
#define FPGA_RESET_REG_STATUS_LED_1 0x04 /* 1 = Led On */
#define FPGA_RESET_REG_STATUS_LED_2 0x02 /* 1 = Led On */
#define FPGA_RESET_REG_STATUS_LED_3 0x01 /* 1 = Led On */
/*----------------------------------------------------------------------------+
| SDR Configuration registers
+----------------------------------------------------------------------------*/
/* Serial Device Strap Reg 0 */
#define SDR0_SDSTP0 0x0020
/* Serial Device Strap Reg 1 */
#define SDR0_SDSTP1 0x0021
/* Serial Device Strap Reg 2 */
#define SDR0_SDSTP2 SDR0_STRP2
/* Serial Device Strap Reg 3 */
#define SDR0_SDSTP3 SDR0_STRP3
#define sdr_pstrp0 0x0040
#define SDR0_SDSTP1_EBC_ROM_BS_MASK 0x00006000 /* EBC Boot Size Mask */
#define SDR0_SDSTP1_EBC_ROM_BS_32BIT 0x00004000 /* EBC 32 bits */
#define SDR0_SDSTP1_EBC_ROM_BS_16BIT 0x00002000 /* EBC 16 Bits */
#define SDR0_SDSTP1_EBC_ROM_BS_8BIT 0x00000000 /* EBC 8 Bits */
#define SDR0_SDSTP1_BOOT_SEL_MASK 0x00001800 /* Boot device Selection Mask */
#define SDR0_SDSTP1_BOOT_SEL_EBC 0x00000000 /* EBC */
#define SDR0_SDSTP1_BOOT_SEL_PCI 0x00000800 /* PCI */
#define SDR0_SDSTP1_BOOT_SEL_NDFC 0x00001000 /* NDFC */
/* Serial Device Enabled - Addr = 0xA8 */
#define SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN SDR0_PSTRP0_BOOTSTRAP_SETTINGS5
/* Serial Device Enabled - Addr = 0xA4 */
#define SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN SDR0_PSTRP0_BOOTSTRAP_SETTINGS7
/* Pin Straps Reg */
#define SDR0_PSTRP0 0x0040
#define SDR0_PSTRP0_BOOTSTRAP_MASK 0xE0000000 /* Strap Bits */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS0 0x00000000 /* Default strap settings 0 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS1 0x20000000 /* Default strap settings 1 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS2 0x40000000 /* Default strap settings 2 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS3 0x60000000 /* Default strap settings 3 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS4 0x80000000 /* Default strap settings 4 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS5 0xA0000000 /* Default strap settings 5 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS6 0xC0000000 /* Default strap settings 6 */
#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS7 0xE0000000 /* Default strap settings 7 */
/*----------------------------------------------------------------------------+
| EBC Configuration Register - EBC0_CFG
+----------------------------------------------------------------------------*/
/* External Bus Three-State Control */
#define EBC0_CFG_EBTC_DRIVEN 0x80000000
/* Device-Paced Time-out Disable */
#define EBC0_CFG_PTD_ENABLED 0x00000000
/* Ready Timeout Count */
#define EBC0_CFG_RTC_MASK 0x38000000
#define EBC0_CFG_RTC_16PERCLK 0x00000000
#define EBC0_CFG_RTC_32PERCLK 0x08000000
#define EBC0_CFG_RTC_64PERCLK 0x10000000
#define EBC0_CFG_RTC_128PERCLK 0x18000000
#define EBC0_CFG_RTC_256PERCLK 0x20000000
#define EBC0_CFG_RTC_512PERCLK 0x28000000
#define EBC0_CFG_RTC_1024PERCLK 0x30000000
#define EBC0_CFG_RTC_2048PERCLK 0x38000000
/* External Master Priority Low */
#define EBC0_CFG_EMPL_LOW 0x00000000
#define EBC0_CFG_EMPL_MEDIUM_LOW 0x02000000
#define EBC0_CFG_EMPL_MEDIUM_HIGH 0x04000000
#define EBC0_CFG_EMPL_HIGH 0x06000000
/* External Master Priority High */
#define EBC0_CFG_EMPH_LOW 0x00000000
#define EBC0_CFG_EMPH_MEDIUM_LOW 0x00800000
#define EBC0_CFG_EMPH_MEDIUM_HIGH 0x01000000
#define EBC0_CFG_EMPH_HIGH 0x01800000
/* Chip Select Three-State Control */
#define EBC0_CFG_CSTC_DRIVEN 0x00400000
/* Burst Prefetch */
#define EBC0_CFG_BPF_ONEDW 0x00000000
#define EBC0_CFG_BPF_TWODW 0x00100000
#define EBC0_CFG_BPF_FOURDW 0x00200000
/* External Master Size */
#define EBC0_CFG_EMS_8BIT 0x00000000
/* Power Management Enable */
#define EBC0_CFG_PME_DISABLED 0x00000000
#define EBC0_CFG_PME_ENABLED 0x00020000
/* Power Management Timer */
#define EBC0_CFG_PMT_ENCODE(n) ((((unsigned long)(n))&0x1F)<<12)
/*----------------------------------------------------------------------------+
| Peripheral Bank Configuration Register - EBC0_BnCR
+----------------------------------------------------------------------------*/
/* BAS - Base Address Select */
#define EBC0_BNCR_BAS_ENCODE(n) ((((unsigned long)(n))&0xFFF00000)<<0)
/* BS - Bank Size */
#define EBC0_BNCR_BS_MASK 0x000E0000
#define EBC0_BNCR_BS_1MB 0x00000000
#define EBC0_BNCR_BS_2MB 0x00020000
#define EBC0_BNCR_BS_4MB 0x00040000
#define EBC0_BNCR_BS_8MB 0x00060000
#define EBC0_BNCR_BS_16MB 0x00080000
#define EBC0_BNCR_BS_32MB 0x000A0000
#define EBC0_BNCR_BS_64MB 0x000C0000
#define EBC0_BNCR_BS_128MB 0x000E0000
/* BU - Bank Usage */
#define EBC0_BNCR_BU_MASK 0x00018000
#define EBC0_BNCR_BU_RO 0x00008000
#define EBC0_BNCR_BU_WO 0x00010000
#define EBC0_BNCR_BU_RW 0x00018000
/* BW - Bus Width */
#define EBC0_BNCR_BW_MASK 0x00006000
#define EBC0_BNCR_BW_8BIT 0x00000000
#define EBC0_BNCR_BW_16BIT 0x00002000
#define EBC0_BNCR_BW_32BIT 0x00004000
/*----------------------------------------------------------------------------+
| Peripheral Bank Access Parameters - EBC0_BnAP
+----------------------------------------------------------------------------*/
/* Burst Mode Enable */
#define EBC0_BNAP_BME_ENABLED 0x80000000
#define EBC0_BNAP_BME_DISABLED 0x00000000
/* Transfert Wait */
#define EBC0_BNAP_TWT_ENCODE(n) ((((unsigned long)(n))&0xFF)<<23) /* Bits 1:8 */
/* Chip Select On Timing */
#define EBC0_BNAP_CSN_ENCODE(n) ((((unsigned long)(n))&0x3)<<18) /* Bits 12:13 */
/* Output Enable On Timing */
#define EBC0_BNAP_OEN_ENCODE(n) ((((unsigned long)(n))&0x3)<<16) /* Bits 14:15 */
/* Write Back Enable On Timing */
#define EBC0_BNAP_WBN_ENCODE(n) ((((unsigned long)(n))&0x3)<<14) /* Bits 16:17 */
/* Write Back Enable Off Timing */
#define EBC0_BNAP_WBF_ENCODE(n) ((((unsigned long)(n))&0x3)<<12) /* Bits 18:19 */
/* Transfert Hold */
#define EBC0_BNAP_TH_ENCODE(n) ((((unsigned long)(n))&0x7)<<9) /* Bits 20:22 */
/* PerReady Enable */
#define EBC0_BNAP_RE_ENABLED 0x00000100
#define EBC0_BNAP_RE_DISABLED 0x00000000
/* Sample On Ready */
#define EBC0_BNAP_SOR_DELAYED 0x00000000
#define EBC0_BNAP_SOR_NOT_DELAYED 0x00000080
/* Byte Enable Mode */
#define EBC0_BNAP_BEM_WRITEONLY 0x00000000
#define EBC0_BNAP_BEM_RW 0x00000040
/* Parity Enable */
#define EBC0_BNAP_PEN_DISABLED 0x00000000
#define EBC0_BNAP_PEN_ENABLED 0x00000020
/*----------------------------------------------------------------------------+
| Define Boot devices
+----------------------------------------------------------------------------*/
/* */
#define BOOT_FROM_SMALL_FLASH 0x00
#define BOOT_FROM_LARGE_FLASH_OR_SRAM 0x01
#define BOOT_FROM_NAND_FLASH0 0x02
#define BOOT_FROM_PCI 0x03
#define BOOT_DEVICE_UNKNOWN 0x04
#define PVR_POWERPC_440EP_PASS1 0x42221850
#define PVR_POWERPC_440EP_PASS2 0x422218D3
#define TRUE 1
#define FALSE 0
#define GPIO_GROUP_MAX 2
#define GPIO_MAX 32
#define GPIO_ALT1_SEL 0x40000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 0 */
#define GPIO_ALT2_SEL 0x80000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 1 */
#define GPIO_ALT3_SEL 0xC0000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 2 */
#define GPIO_MASK 0xC0000000 /* GPIO_MASK */
#define GPIO_IN_SEL 0x40000000 /* GPIO_IN value put in GPIO_ISx for the GPIO nb 0 */
/* For the other GPIO number, you must shift */
#define GPIO0 0
#define GPIO1 1
/*#define MAX_SELECTION_NB CORE_NB */
#define MAX_CORE_SELECT_NB 22
/*----------------------------------------------------------------------------+
| PPC440EP GPIOs addresses.
+----------------------------------------------------------------------------*/
#define GPIO0_REAL 0xEF600B00
#define GPIO1_REAL 0xEF600C00
/* Offsets */
#define GPIOx_OR 0x00 /* GPIO Output Register */
#define GPIOx_TCR 0x04 /* GPIO Three-State Control Register */
#define GPIOx_OSL 0x08 /* GPIO Output Select Register (Bits 0-31) */
#define GPIOx_OSH 0x0C /* GPIO Ouput Select Register (Bits 32-63) */
#define GPIOx_TSL 0x10 /* GPIO Three-State Select Register (Bits 0-31) */
#define GPIOx_TSH 0x14 /* GPIO Three-State Select Register (Bits 32-63) */
#define GPIOx_ODR 0x18 /* GPIO Open drain Register */
#define GPIOx_IR 0x1C /* GPIO Input Register */
#define GPIOx_RR1 0x20 /* GPIO Receive Register 1 */
#define GPIOx_RR2 0x24 /* GPIO Receive Register 2 */
#define GPIOx_RR3 0x28 /* GPIO Receive Register 3 */
#define GPIOx_IS1L 0x30 /* GPIO Input Select Register 1 (Bits 0-31) */
#define GPIOx_IS1H 0x34 /* GPIO Input Select Register 1 (Bits 32-63) */
#define GPIOx_IS2L 0x38 /* GPIO Input Select Register 2 (Bits 0-31) */
#define GPIOx_IS2H 0x3C /* GPIO Input Select Register 2 (Bits 32-63) */
#define GPIOx_IS3L 0x40 /* GPIO Input Select Register 3 (Bits 0-31) */
#define GPIOx_IS3H 0x44 /* GPIO Input Select Register 3 (Bits 32-63) */
/* GPIO0 */
#define GPIO0_IS1L (GPIO0_BASE+GPIOx_IS1L)
#define GPIO0_IS1H (GPIO0_BASE+GPIOx_IS1H)
#define GPIO0_IS2L (GPIO0_BASE+GPIOx_IS2L)
#define GPIO0_IS2H (GPIO0_BASE+GPIOx_IS2H)
#define GPIO0_IS3L (GPIO0_BASE+GPIOx_IS3L)
#define GPIO0_IS3H (GPIO0_BASE+GPIOx_IS3L)
/* GPIO1 */
#define GPIO1_IS1L (GPIO1_BASE+GPIOx_IS1L)
#define GPIO1_IS1H (GPIO1_BASE+GPIOx_IS1H)
#define GPIO1_IS2L (GPIO1_BASE+GPIOx_IS2L)
#define GPIO1_IS2H (GPIO1_BASE+GPIOx_IS2H)
#define GPIO1_IS3L (GPIO1_BASE+GPIOx_IS3L)
#define GPIO1_IS3H (GPIO1_BASE+GPIOx_IS3L)
#define GPIO_OS(x) (x+GPIOx_OSL) /* GPIO Output Register High or Low */
#define GPIO_TS(x) (x+GPIOx_TSL) /* GPIO Three-state Control Reg High or Low */
#define GPIO_IS1(x) (x+GPIOx_IS1L) /* GPIO Input register1 High or Low */
#define GPIO_IS2(x) (x+GPIOx_IS2L) /* GPIO Input register2 High or Low */
#define GPIO_IS3(x) (x+GPIOx_IS3L) /* GPIO Input register3 High or Low */
/*----------------------------------------------------------------------------+
| XX XX
|
| XXXXXX XXX XX XXX XXX
| XX XX X XX XX XX
| XX XX X XX XX XX
| XX XX XX XX XX
| XXXXXX XXX XXX XXXX XXXX
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
| Defines
+----------------------------------------------------------------------------*/
typedef enum zmii_config { ZMII_CONFIGURATION_UNKNOWN,
ZMII_CONFIGURATION_IS_MII,
ZMII_CONFIGURATION_IS_RMII,
ZMII_CONFIGURATION_IS_SMII
} zmii_config_t;
/*----------------------------------------------------------------------------+
| Declare Configuration values
+----------------------------------------------------------------------------*/
typedef enum uart_config_nb { L1, L2, L3, L4 } uart_config_nb_t;
typedef enum core_selection { CORE_NOT_SELECTED, CORE_SELECTED} core_selection_t;
typedef enum config_list { IIC_CORE,
SCP_CORE,
DMA_CHANNEL_AB,
UIC_4_9,
USB2_HOST,
DMA_CHANNEL_CD,
USB2_DEVICE,
PACKET_REJ_FUNC_AVAIL,
USB1_DEVICE,
EBC_MASTER,
NAND_FLASH,
UART_CORE0,
UART_CORE1,
UART_CORE2,
UART_CORE3,
MII_SEL,
RMII_SEL,
SMII_SEL,
PACKET_REJ_FUNC_EN,
UIC_0_3,
USB1_HOST,
PCI_PATCH,
CORE_NB
} core_list_t;
typedef enum block3_value { B3_V1, B3_V2, B3_V3, B3_V4, B3_V5,
B3_V6, B3_V7, B3_V8, B3_V9, B3_V10,
B3_V11, B3_V12, B3_V13, B3_V14, B3_V15,
B3_V16, B3_VALUE_UNKNOWN
} block3_value_t;
typedef enum config_validity { CONFIG_IS_VALID,
CONFIG_IS_INVALID
} config_validity_t;
|
