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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on source code of Shlomi Gridish
*/
#ifndef __QE_H__
#define __QE_H__
#include "common.h"
#ifdef CONFIG_U_QE
#include <linux/immap_qe.h>
#endif
#define QE_NUM_OF_BRGS 16
#define UCC_MAX_NUM 8
#define QE_DATAONLY_BASE 0
#define QE_DATAONLY_SIZE (QE_MURAM_SIZE - QE_DATAONLY_BASE)
/* QE threads SNUM
*/
typedef enum qe_snum_state {
QE_SNUM_STATE_USED, /* used */
QE_SNUM_STATE_FREE /* free */
} qe_snum_state_e;
typedef struct qe_snum {
u8 num; /* snum */
qe_snum_state_e state; /* state */
} qe_snum_t;
/* QE RISC allocation
*/
#define QE_RISC_ALLOCATION_RISC1 0x1 /* RISC 1 */
#define QE_RISC_ALLOCATION_RISC2 0x2 /* RISC 2 */
#define QE_RISC_ALLOCATION_RISC3 0x4 /* RISC 3 */
#define QE_RISC_ALLOCATION_RISC4 0x8 /* RISC 4 */
#define QE_RISC_ALLOCATION_RISC1_AND_RISC2 (QE_RISC_ALLOCATION_RISC1 | \
QE_RISC_ALLOCATION_RISC2)
#define QE_RISC_ALLOCATION_FOUR_RISCS (QE_RISC_ALLOCATION_RISC1 | \
QE_RISC_ALLOCATION_RISC2 | \
QE_RISC_ALLOCATION_RISC3 | \
QE_RISC_ALLOCATION_RISC4)
/* QE CECR commands for UCC fast.
*/
#define QE_CR_FLG 0x00010000
#define QE_RESET 0x80000000
#define QE_INIT_TX_RX 0x00000000
#define QE_INIT_RX 0x00000001
#define QE_INIT_TX 0x00000002
#define QE_ENTER_HUNT_MODE 0x00000003
#define QE_STOP_TX 0x00000004
#define QE_GRACEFUL_STOP_TX 0x00000005
#define QE_RESTART_TX 0x00000006
#define QE_SWITCH_COMMAND 0x00000007
#define QE_SET_GROUP_ADDRESS 0x00000008
#define QE_INSERT_CELL 0x00000009
#define QE_ATM_TRANSMIT 0x0000000a
#define QE_CELL_POOL_GET 0x0000000b
#define QE_CELL_POOL_PUT 0x0000000c
#define QE_IMA_HOST_CMD 0x0000000d
#define QE_ATM_MULTI_THREAD_INIT 0x00000011
#define QE_ASSIGN_PAGE 0x00000012
#define QE_START_FLOW_CONTROL 0x00000014
#define QE_STOP_FLOW_CONTROL 0x00000015
#define QE_ASSIGN_PAGE_TO_DEVICE 0x00000016
#define QE_GRACEFUL_STOP_RX 0x0000001a
#define QE_RESTART_RX 0x0000001b
/* QE CECR Sub Block Code - sub block code of QE command.
*/
#define QE_CR_SUBBLOCK_INVALID 0x00000000
#define QE_CR_SUBBLOCK_USB 0x03200000
#define QE_CR_SUBBLOCK_UCCFAST1 0x02000000
#define QE_CR_SUBBLOCK_UCCFAST2 0x02200000
#define QE_CR_SUBBLOCK_UCCFAST3 0x02400000
#define QE_CR_SUBBLOCK_UCCFAST4 0x02600000
#define QE_CR_SUBBLOCK_UCCFAST5 0x02800000
#define QE_CR_SUBBLOCK_UCCFAST6 0x02a00000
#define QE_CR_SUBBLOCK_UCCFAST7 0x02c00000
#define QE_CR_SUBBLOCK_UCCFAST8 0x02e00000
#define QE_CR_SUBBLOCK_UCCSLOW1 0x00000000
#define QE_CR_SUBBLOCK_UCCSLOW2 0x00200000
#define QE_CR_SUBBLOCK_UCCSLOW3 0x00400000
#define QE_CR_SUBBLOCK_UCCSLOW4 0x00600000
#define QE_CR_SUBBLOCK_UCCSLOW5 0x00800000
#define QE_CR_SUBBLOCK_UCCSLOW6 0x00a00000
#define QE_CR_SUBBLOCK_UCCSLOW7 0x00c00000
#define QE_CR_SUBBLOCK_UCCSLOW8 0x00e00000
#define QE_CR_SUBBLOCK_MCC1 0x03800000
#define QE_CR_SUBBLOCK_MCC2 0x03a00000
#define QE_CR_SUBBLOCK_MCC3 0x03000000
#define QE_CR_SUBBLOCK_IDMA1 0x02800000
#define QE_CR_SUBBLOCK_IDMA2 0x02a00000
#define QE_CR_SUBBLOCK_IDMA3 0x02c00000
#define QE_CR_SUBBLOCK_IDMA4 0x02e00000
#define QE_CR_SUBBLOCK_HPAC 0x01e00000
#define QE_CR_SUBBLOCK_SPI1 0x01400000
#define QE_CR_SUBBLOCK_SPI2 0x01600000
#define QE_CR_SUBBLOCK_RAND 0x01c00000
#define QE_CR_SUBBLOCK_TIMER 0x01e00000
#define QE_CR_SUBBLOCK_GENERAL 0x03c00000
/* QE CECR Protocol - For non-MCC, specifies mode for QE CECR command.
*/
#define QE_CR_PROTOCOL_UNSPECIFIED 0x00 /* For all other protocols */
#define QE_CR_PROTOCOL_HDLC_TRANSPARENT 0x00
#define QE_CR_PROTOCOL_ATM_POS 0x0A
#define QE_CR_PROTOCOL_ETHERNET 0x0C
#define QE_CR_PROTOCOL_L2_SWITCH 0x0D
#define QE_CR_PROTOCOL_SHIFT 6
/* QE ASSIGN PAGE command
*/
#define QE_CR_ASSIGN_PAGE_SNUM_SHIFT 17
/* Communication Direction.
*/
typedef enum comm_dir {
COMM_DIR_NONE = 0,
COMM_DIR_RX = 1,
COMM_DIR_TX = 2,
COMM_DIR_RX_AND_TX = 3
} comm_dir_e;
/* Clocks and BRG's
*/
typedef enum qe_clock {
QE_CLK_NONE = 0,
QE_BRG1, /* Baud Rate Generator 1 */
QE_BRG2, /* Baud Rate Generator 2 */
QE_BRG3, /* Baud Rate Generator 3 */
QE_BRG4, /* Baud Rate Generator 4 */
QE_BRG5, /* Baud Rate Generator 5 */
QE_BRG6, /* Baud Rate Generator 6 */
QE_BRG7, /* Baud Rate Generator 7 */
QE_BRG8, /* Baud Rate Generator 8 */
QE_BRG9, /* Baud Rate Generator 9 */
QE_BRG10, /* Baud Rate Generator 10 */
QE_BRG11, /* Baud Rate Generator 11 */
QE_BRG12, /* Baud Rate Generator 12 */
QE_BRG13, /* Baud Rate Generator 13 */
QE_BRG14, /* Baud Rate Generator 14 */
QE_BRG15, /* Baud Rate Generator 15 */
QE_BRG16, /* Baud Rate Generator 16 */
QE_CLK1, /* Clock 1 */
QE_CLK2, /* Clock 2 */
QE_CLK3, /* Clock 3 */
QE_CLK4, /* Clock 4 */
QE_CLK5, /* Clock 5 */
QE_CLK6, /* Clock 6 */
QE_CLK7, /* Clock 7 */
QE_CLK8, /* Clock 8 */
QE_CLK9, /* Clock 9 */
QE_CLK10, /* Clock 10 */
QE_CLK11, /* Clock 11 */
QE_CLK12, /* Clock 12 */
QE_CLK13, /* Clock 13 */
QE_CLK14, /* Clock 14 */
QE_CLK15, /* Clock 15 */
QE_CLK16, /* Clock 16 */
QE_CLK17, /* Clock 17 */
QE_CLK18, /* Clock 18 */
QE_CLK19, /* Clock 19 */
QE_CLK20, /* Clock 20 */
QE_CLK21, /* Clock 21 */
QE_CLK22, /* Clock 22 */
QE_CLK23, /* Clock 23 */
QE_CLK24, /* Clock 24 */
QE_CLK_DUMMY
} qe_clock_e;
/* QE CMXGCR register
*/
#define QE_CMXGCR_MII_ENET_MNG_MASK 0x00007000
#define QE_CMXGCR_MII_ENET_MNG_SHIFT 12
/* QE CMXUCR registers
*/
#define QE_CMXUCR_TX_CLK_SRC_MASK 0x0000000F
/* QE BRG configuration register
*/
#define QE_BRGC_ENABLE 0x00010000
#define QE_BRGC_DIVISOR_SHIFT 1
#define QE_BRGC_DIVISOR_MAX 0xFFF
#define QE_BRGC_DIV16 1
/* QE SDMA registers
*/
#define QE_SDSR_BER1 0x02000000
#define QE_SDSR_BER2 0x01000000
#define QE_SDMR_GLB_1_MSK 0x80000000
#define QE_SDMR_ADR_SEL 0x20000000
#define QE_SDMR_BER1_MSK 0x02000000
#define QE_SDMR_BER2_MSK 0x01000000
#define QE_SDMR_EB1_MSK 0x00800000
#define QE_SDMR_ER1_MSK 0x00080000
#define QE_SDMR_ER2_MSK 0x00040000
#define QE_SDMR_CEN_MASK 0x0000E000
#define QE_SDMR_SBER_1 0x00000200
#define QE_SDMR_SBER_2 0x00000200
#define QE_SDMR_EB1_PR_MASK 0x000000C0
#define QE_SDMR_ER1_PR 0x00000008
#define QE_SDMR_CEN_SHIFT 13
#define QE_SDMR_EB1_PR_SHIFT 6
#define QE_SDTM_MSNUM_SHIFT 24
#define QE_SDEBCR_BA_MASK 0x01FFFFFF
/* Communication Processor */
#define QE_CP_CERCR_MEE 0x8000 /* Multi-user RAM ECC enable */
#define QE_CP_CERCR_IEE 0x4000 /* Instruction RAM ECC enable */
#define QE_CP_CERCR_CIR 0x0800 /* Common instruction RAM */
/* I-RAM */
#define QE_IRAM_IADD_AIE 0x80000000 /* Auto Increment Enable */
#define QE_IRAM_IADD_BADDR 0x00080000 /* Base Address */
#define QE_IRAM_READY 0x80000000
/* Structure that defines QE firmware binary files.
*
* See Documentation/powerpc/qe_firmware.rst in the Linux kernel tree for
* a description of these fields.
*/
struct qe_firmware {
struct qe_header {
u32 length; /* Length of the entire structure, in bytes */
u8 magic[3]; /* Set to { 'Q', 'E', 'F' } */
u8 version; /* Version of this layout. First ver is '1' */
} header;
u8 id[62]; /* Null-terminated identifier string */
u8 split; /* 0 = shared I-RAM, 1 = split I-RAM */
u8 count; /* Number of microcode[] structures */
struct {
u16 model; /* The SOC model */
u8 major; /* The SOC revision major */
u8 minor; /* The SOC revision minor */
} __attribute__ ((packed)) soc;
u8 padding[4]; /* Reserved, for alignment */
u64 extended_modes; /* Extended modes */
u32 vtraps[8]; /* Virtual trap addresses */
u8 reserved[4]; /* Reserved, for future expansion */
struct qe_microcode {
u8 id[32]; /* Null-terminated identifier */
u32 traps[16]; /* Trap addresses, 0 == ignore */
u32 eccr; /* The value for the ECCR register */
u32 iram_offset;/* Offset into I-RAM for the code */
u32 count; /* Number of 32-bit words of the code */
u32 code_offset;/* Offset of the actual microcode */
u8 major; /* The microcode version major */
u8 minor; /* The microcode version minor */
u8 revision; /* The microcode version revision */
u8 padding; /* Reserved, for alignment */
u8 reserved[4]; /* Reserved, for future expansion */
} __attribute__ ((packed)) microcode[1];
/* All microcode binaries should be located here */
/* CRC32 should be located here, after the microcode binaries */
} __attribute__ ((packed));
struct qe_firmware_info {
char id[64]; /* Firmware name */
u32 vtraps[8]; /* Virtual trap addresses */
u64 extended_modes; /* Extended modes */
};
void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign);
void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data);
uint qe_muram_alloc(uint size, uint align);
void *qe_muram_addr(uint offset);
int qe_get_snum(void);
void qe_put_snum(u8 snum);
void qe_init(uint qe_base);
void qe_reset(void);
void qe_assign_page(uint snum, uint para_ram_base);
int qe_set_brg(uint brg, uint rate);
int qe_set_mii_clk_src(int ucc_num);
int qe_upload_firmware(const struct qe_firmware *firmware);
struct qe_firmware_info *qe_get_firmware_info(void);
void ft_qe_setup(void *blob);
void qe_init(uint qe_base);
void qe_reset(void);
#ifdef CONFIG_U_QE
void u_qe_init(void);
int u_qe_upload_firmware(const struct qe_firmware *firmware);
void u_qe_resume(void);
int u_qe_firmware_resume(const struct qe_firmware *firmware,
qe_map_t *qe_immrr);
#endif
#endif /* __QE_H__ */
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