245 lines
7.6 KiB
C
245 lines
7.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Low-level API for mac80211 ST-Ericsson CW1200 drivers
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*
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* Copyright (c) 2010, ST-Ericsson
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* Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
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*
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* Based on:
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* ST-Ericsson UMAC CW1200 driver which is
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* Copyright (c) 2010, ST-Ericsson
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* Author: Ajitpal Singh <ajitpal.singh@stericsson.com>
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*/
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#ifndef CW1200_HWIO_H_INCLUDED
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#define CW1200_HWIO_H_INCLUDED
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/* extern */ struct cw1200_common;
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#define CW1200_CUT_11_ID_STR (0x302E3830)
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#define CW1200_CUT_22_ID_STR1 (0x302e3132)
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#define CW1200_CUT_22_ID_STR2 (0x32302e30)
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#define CW1200_CUT_22_ID_STR3 (0x3335)
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#define CW1200_CUT_ID_ADDR (0xFFF17F90)
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#define CW1200_CUT2_ID_ADDR (0xFFF1FF90)
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/* Download control area */
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/* boot loader start address in SRAM */
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#define DOWNLOAD_BOOT_LOADER_OFFSET (0x00000000)
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/* 32K, 0x4000 to 0xDFFF */
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#define DOWNLOAD_FIFO_OFFSET (0x00004000)
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/* 32K */
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#define DOWNLOAD_FIFO_SIZE (0x00008000)
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/* 128 bytes, 0xFF80 to 0xFFFF */
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#define DOWNLOAD_CTRL_OFFSET (0x0000FF80)
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#define DOWNLOAD_CTRL_DATA_DWORDS (32-6)
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struct download_cntl_t {
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/* size of whole firmware file (including Cheksum), host init */
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u32 image_size;
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/* downloading flags */
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u32 flags;
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/* No. of bytes put into the download, init & updated by host */
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u32 put;
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/* last traced program counter, last ARM reg_pc */
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u32 trace_pc;
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/* No. of bytes read from the download, host init, device updates */
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u32 get;
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/* r0, boot losader status, host init to pending, device updates */
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u32 status;
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/* Extra debug info, r1 to r14 if status=r0=DOWNLOAD_EXCEPTION */
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u32 debug_data[DOWNLOAD_CTRL_DATA_DWORDS];
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};
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#define DOWNLOAD_IMAGE_SIZE_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, image_size))
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#define DOWNLOAD_FLAGS_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, flags))
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#define DOWNLOAD_PUT_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, put))
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#define DOWNLOAD_TRACE_PC_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, trace_pc))
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#define DOWNLOAD_GET_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, get))
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#define DOWNLOAD_STATUS_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, status))
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#define DOWNLOAD_DEBUG_DATA_REG \
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(DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, debug_data))
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#define DOWNLOAD_DEBUG_DATA_LEN (108)
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#define DOWNLOAD_BLOCK_SIZE (1024)
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/* For boot loader detection */
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#define DOWNLOAD_ARE_YOU_HERE (0x87654321)
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#define DOWNLOAD_I_AM_HERE (0x12345678)
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/* Download error code */
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#define DOWNLOAD_PENDING (0xFFFFFFFF)
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#define DOWNLOAD_SUCCESS (0)
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#define DOWNLOAD_EXCEPTION (1)
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#define DOWNLOAD_ERR_MEM_1 (2)
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#define DOWNLOAD_ERR_MEM_2 (3)
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#define DOWNLOAD_ERR_SOFTWARE (4)
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#define DOWNLOAD_ERR_FILE_SIZE (5)
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#define DOWNLOAD_ERR_CHECKSUM (6)
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#define DOWNLOAD_ERR_OVERFLOW (7)
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#define DOWNLOAD_ERR_IMAGE (8)
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#define DOWNLOAD_ERR_HOST (9)
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#define DOWNLOAD_ERR_ABORT (10)
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#define SYS_BASE_ADDR_SILICON (0)
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#define PAC_BASE_ADDRESS_SILICON (SYS_BASE_ADDR_SILICON + 0x09000000)
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#define PAC_SHARED_MEMORY_SILICON (PAC_BASE_ADDRESS_SILICON)
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#define CW1200_APB(addr) (PAC_SHARED_MEMORY_SILICON + (addr))
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/* Device register definitions */
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/* WBF - SPI Register Addresses */
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#define ST90TDS_ADDR_ID_BASE (0x0000)
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/* 16/32 bits */
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#define ST90TDS_CONFIG_REG_ID (0x0000)
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/* 16/32 bits */
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#define ST90TDS_CONTROL_REG_ID (0x0001)
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/* 16 bits, Q mode W/R */
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#define ST90TDS_IN_OUT_QUEUE_REG_ID (0x0002)
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/* 32 bits, AHB bus R/W */
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#define ST90TDS_AHB_DPORT_REG_ID (0x0003)
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/* 16/32 bits */
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#define ST90TDS_SRAM_BASE_ADDR_REG_ID (0x0004)
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/* 32 bits, APB bus R/W */
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#define ST90TDS_SRAM_DPORT_REG_ID (0x0005)
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/* 32 bits, t_settle/general */
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#define ST90TDS_TSET_GEN_R_W_REG_ID (0x0006)
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/* 16 bits, Q mode read, no length */
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#define ST90TDS_FRAME_OUT_REG_ID (0x0007)
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#define ST90TDS_ADDR_ID_MAX (ST90TDS_FRAME_OUT_REG_ID)
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/* WBF - Control register bit set */
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/* next o/p length, bit 11 to 0 */
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#define ST90TDS_CONT_NEXT_LEN_MASK (0x0FFF)
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#define ST90TDS_CONT_WUP_BIT (BIT(12))
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#define ST90TDS_CONT_RDY_BIT (BIT(13))
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#define ST90TDS_CONT_IRQ_ENABLE (BIT(14))
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#define ST90TDS_CONT_RDY_ENABLE (BIT(15))
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#define ST90TDS_CONT_IRQ_RDY_ENABLE (BIT(14)|BIT(15))
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/* SPI Config register bit set */
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#define ST90TDS_CONFIG_FRAME_BIT (BIT(2))
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#define ST90TDS_CONFIG_WORD_MODE_BITS (BIT(3)|BIT(4))
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#define ST90TDS_CONFIG_WORD_MODE_1 (BIT(3))
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#define ST90TDS_CONFIG_WORD_MODE_2 (BIT(4))
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#define ST90TDS_CONFIG_ERROR_0_BIT (BIT(5))
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#define ST90TDS_CONFIG_ERROR_1_BIT (BIT(6))
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#define ST90TDS_CONFIG_ERROR_2_BIT (BIT(7))
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/* TBD: Sure??? */
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#define ST90TDS_CONFIG_CSN_FRAME_BIT (BIT(7))
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#define ST90TDS_CONFIG_ERROR_3_BIT (BIT(8))
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#define ST90TDS_CONFIG_ERROR_4_BIT (BIT(9))
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/* QueueM */
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#define ST90TDS_CONFIG_ACCESS_MODE_BIT (BIT(10))
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/* AHB bus */
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#define ST90TDS_CONFIG_AHB_PRFETCH_BIT (BIT(11))
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#define ST90TDS_CONFIG_CPU_CLK_DIS_BIT (BIT(12))
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/* APB bus */
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#define ST90TDS_CONFIG_PRFETCH_BIT (BIT(13))
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/* cpu reset */
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#define ST90TDS_CONFIG_CPU_RESET_BIT (BIT(14))
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#define ST90TDS_CONFIG_CLEAR_INT_BIT (BIT(15))
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/* For CW1200 the IRQ Enable and Ready Bits are in CONFIG register */
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#define ST90TDS_CONF_IRQ_ENABLE (BIT(16))
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#define ST90TDS_CONF_RDY_ENABLE (BIT(17))
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#define ST90TDS_CONF_IRQ_RDY_ENABLE (BIT(16)|BIT(17))
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int cw1200_data_read(struct cw1200_common *priv,
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void *buf, size_t buf_len);
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int cw1200_data_write(struct cw1200_common *priv,
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const void *buf, size_t buf_len);
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int cw1200_reg_read(struct cw1200_common *priv, u16 addr,
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void *buf, size_t buf_len);
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int cw1200_reg_write(struct cw1200_common *priv, u16 addr,
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const void *buf, size_t buf_len);
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static inline int cw1200_reg_read_16(struct cw1200_common *priv,
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u16 addr, u16 *val)
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{
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__le32 tmp;
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int i;
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i = cw1200_reg_read(priv, addr, &tmp, sizeof(tmp));
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*val = le32_to_cpu(tmp) & 0xfffff;
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return i;
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}
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static inline int cw1200_reg_write_16(struct cw1200_common *priv,
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u16 addr, u16 val)
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{
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__le32 tmp = cpu_to_le32((u32)val);
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return cw1200_reg_write(priv, addr, &tmp, sizeof(tmp));
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}
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static inline int cw1200_reg_read_32(struct cw1200_common *priv,
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u16 addr, u32 *val)
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{
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__le32 tmp;
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int i = cw1200_reg_read(priv, addr, &tmp, sizeof(tmp));
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*val = le32_to_cpu(tmp);
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return i;
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}
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static inline int cw1200_reg_write_32(struct cw1200_common *priv,
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u16 addr, u32 val)
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{
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__le32 tmp = cpu_to_le32(val);
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return cw1200_reg_write(priv, addr, &tmp, sizeof(val));
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}
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int cw1200_indirect_read(struct cw1200_common *priv, u32 addr, void *buf,
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size_t buf_len, u32 prefetch, u16 port_addr);
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int cw1200_apb_write(struct cw1200_common *priv, u32 addr, const void *buf,
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size_t buf_len);
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static inline int cw1200_apb_read(struct cw1200_common *priv, u32 addr,
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void *buf, size_t buf_len)
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{
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return cw1200_indirect_read(priv, addr, buf, buf_len,
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ST90TDS_CONFIG_PRFETCH_BIT,
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ST90TDS_SRAM_DPORT_REG_ID);
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}
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static inline int cw1200_ahb_read(struct cw1200_common *priv, u32 addr,
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void *buf, size_t buf_len)
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{
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return cw1200_indirect_read(priv, addr, buf, buf_len,
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ST90TDS_CONFIG_AHB_PRFETCH_BIT,
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ST90TDS_AHB_DPORT_REG_ID);
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}
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static inline int cw1200_apb_read_32(struct cw1200_common *priv,
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u32 addr, u32 *val)
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{
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__le32 tmp;
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int i = cw1200_apb_read(priv, addr, &tmp, sizeof(tmp));
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*val = le32_to_cpu(tmp);
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return i;
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}
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static inline int cw1200_apb_write_32(struct cw1200_common *priv,
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u32 addr, u32 val)
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{
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__le32 tmp = cpu_to_le32(val);
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return cw1200_apb_write(priv, addr, &tmp, sizeof(val));
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}
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static inline int cw1200_ahb_read_32(struct cw1200_common *priv,
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u32 addr, u32 *val)
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{
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__le32 tmp;
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int i = cw1200_ahb_read(priv, addr, &tmp, sizeof(tmp));
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*val = le32_to_cpu(tmp);
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return i;
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}
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#endif /* CW1200_HWIO_H_INCLUDED */
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