Blackfin arch: add sdh support for bf518f-ezbrd

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

2 files changed, 203 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf518/include/mach/cdefBF518.h b/arch/blackfin/mach-bf518/include/mach/cdefBF518.h
index 74e079d9cf72..bafb370cfb3c 100644
--- a/arch/blackfin/mach-bf518/include/mach/cdefBF518.h
+++ b/arch/blackfin/mach-bf518/include/mach/cdefBF518.h
@@ -211,4 +211,72 @@
 #define bfin_read_EMAC_TXC_ABORT()		bfin_read32(EMAC_TXC_ABORT)
 #define bfin_write_EMAC_TXC_ABORT(val)		bfin_write32(EMAC_TXC_ABORT, val)
 
+/* Removable Storage Interface Registers */
+
+#define bfin_read_RSI_PWR_CTL()        bfin_read16(RSI_PWR_CONTROL)
+#define bfin_write_RSI_PWR_CTL(val)    bfin_write16(RSI_PWR_CONTROL, val)
+#define bfin_read_RSI_CLK_CTL()	       bfin_read16(RSI_CLK_CONTROL)
+#define bfin_write_RSI_CLK_CTL(val)    bfin_write16(RSI_CLK_CONTROL, val)
+#define bfin_read_RSI_ARGUMENT()       bfin_read32(RSI_ARGUMENT)
+#define bfin_write_RSI_ARGUMENT(val)   bfin_write32(RSI_ARGUMENT, val)
+#define bfin_read_RSI_COMMAND()        bfin_read16(RSI_COMMAND)
+#define bfin_write_RSI_COMMAND(val)    bfin_write16(RSI_COMMAND, val)
+#define bfin_read_RSI_RESP_CMD()       bfin_read16(RSI_RESP_CMD)
+#define bfin_write_RSI_RESP_CMD(val)   bfin_write16(RSI_RESP_CMD, val)
+#define bfin_read_RSI_RESPONSE0()      bfin_read32(RSI_RESPONSE0)
+#define bfin_write_RSI_RESPONSE0(val)  bfin_write32(RSI_RESPONSE0, val)
+#define bfin_read_RSI_RESPONSE1()      bfin_read32(RSI_RESPONSE1)
+#define bfin_write_RSI_RESPONSE1(val)  bfin_write32(RSI_RESPONSE1, val)
+#define bfin_read_RSI_RESPONSE2()      bfin_read32(RSI_RESPONSE2)
+#define bfin_write_RSI_RESPONSE2(val)  bfin_write32(RSI_RESPONSE2, val)
+#define bfin_read_RSI_RESPONSE3()      bfin_read32(RSI_RESPONSE3)
+#define bfin_write_RSI_RESPONSE3(val)  bfin_write32(RSI_RESPONSE3, val)
+#define bfin_read_RSI_DATA_TIMER()     bfin_read32(RSI_DATA_TIMER)
+#define bfin_write_RSI_DATA_TIMER(val) bfin_write32(RSI_DATA_TIMER, val)
+#define bfin_read_RSI_DATA_LGTH()      bfin_read16(RSI_DATA_LGTH)
+#define bfin_write_RSI_DATA_LGTH(val)  bfin_write16(RSI_DATA_LGTH, val)
+#define bfin_read_RSI_DATA_CTL()       bfin_read16(RSI_DATA_CONTROL)
+#define bfin_write_RSI_DATA_CTL(val)   bfin_write16(RSI_DATA_CONTROL, val)
+#define bfin_read_RSI_DATA_CNT()       bfin_read16(RSI_DATA_CNT)
+#define bfin_write_RSI_DATA_CNT(val)   bfin_write16(RSI_DATA_CNT, val)
+#define bfin_read_RSI_STATUS()         bfin_read32(RSI_STATUS)
+#define bfin_write_RSI_STATUS(val)     bfin_write32(RSI_STATUS, val)
+#define bfin_read_RSI_STATUS_CLR()     bfin_read16(RSI_STATUSCL)
+#define bfin_write_RSI_STATUS_CLR(val) bfin_write16(RSI_STATUSCL, val)
+#define bfin_read_RSI_MASK0()          bfin_read32(RSI_MASK0)
+#define bfin_write_RSI_MASK0(val)      bfin_write32(RSI_MASK0, val)
+#define bfin_read_RSI_MASK1()          bfin_read32(RSI_MASK1)
+#define bfin_write_RSI_MASK1(val)      bfin_write32(RSI_MASK1, val)
+#define bfin_read_RSI_FIFO_CNT()       bfin_read16(RSI_FIFO_CNT)
+#define bfin_write_RSI_FIFO_CNT(val)   bfin_write16(RSI_FIFO_CNT, val)
+#define bfin_read_RSI_CEATA_CTL()      bfin_read16(RSI_CEATA_CONTROL)
+#define bfin_write_RSI_CEATA_CTL(val)  bfin_write16(RSI_CEATA_CONTROL, val)
+#define bfin_read_RSI_FIFO()           bfin_read32(RSI_FIFO)
+#define bfin_write_RSI_FIFO(val)       bfin_write32(RSI_FIFO, val)
+#define bfin_read_RSI_E_STATUS()       bfin_read16(RSI_ESTAT)
+#define bfin_write_RSI_E_STATUS(val)   bfin_write16(RSI_ESTAT, val)
+#define bfin_read_RSI_E_MASK()         bfin_read16(RSI_EMASK)
+#define bfin_write_RSI_E_MASK(val)     bfin_write16(RSI_EMASK, val)
+#define bfin_read_RSI_CFG()            bfin_read16(RSI_CONFIG)
+#define bfin_write_RSI_CFG(val)        bfin_write16(RSI_CONFIG, val)
+#define bfin_read_RSI_RD_WAIT_EN()     bfin_read16(RSI_RD_WAIT_EN)
+#define bfin_write_RSI_RD_WAIT_EN(val) bfin_write16(RSI_RD_WAIT_EN, val)
+#define bfin_read_RSI_PID0()           bfin_read16(RSI_PID0)
+#define bfin_write_RSI_PID0(val)       bfin_write16(RSI_PID0, val)
+#define bfin_read_RSI_PID1()           bfin_read16(RSI_PID1)
+#define bfin_write_RSI_PID1(val)       bfin_write16(RSI_PID1, val)
+#define bfin_read_RSI_PID2()           bfin_read16(RSI_PID2)
+#define bfin_write_RSI_PID2(val)       bfin_write16(RSI_PID2, val)
+#define bfin_read_RSI_PID3()           bfin_read16(RSI_PID3)
+#define bfin_write_RSI_PID3(val)       bfin_write16(RSI_PID3, val)
+#define bfin_read_RSI_PID4()           bfin_read16(RSI_PID4)
+#define bfin_write_RSI_PID4(val)       bfin_write16(RSI_PID4, val)
+#define bfin_read_RSI_PID5()           bfin_read16(RSI_PID5)
+#define bfin_write_RSI_PID5(val)       bfin_write16(RSI_PID5, val)
+#define bfin_read_RSI_PID6()           bfin_read16(RSI_PID6)
+#define bfin_write_RSI_PID6(val)       bfin_write16(RSI_PID6, val)
+#define bfin_read_RSI_PID7()           bfin_read16(RSI_PID7)
+#define bfin_write_RSI_PID7(val)       bfin_write16(RSI_PID7, val)
+
+
 #endif /* _CDEF_BF518_H */
diff --git a/arch/blackfin/mach-bf518/include/mach/defBF518.h b/arch/blackfin/mach-bf518/include/mach/defBF518.h
index 4eaade15dd76..6e982abf4ede 100644
--- a/arch/blackfin/mach-bf518/include/mach/defBF518.h
+++ b/arch/blackfin/mach-bf518/include/mach/defBF518.h
@@ -513,4 +513,139 @@
 #define EMAC_PTP_PPS_STARTHI           0xFFC030F4 /* PPS Start Time High */
 #define EMAC_PTP_PPS_PERIOD            0xFFC030F8 /* PPS Count Register */
 
+/* ********************************************************** */
+/*     SINGLE BIT MACRO PAIRS (bit mask and negated one)      */
+/*     and MULTI BIT READ MACROS                              */
+/* ********************************************************** */
+
+/* Bit masks for SDH_COMMAND */
+
+#define                   CMD_IDX  0x3f       /* Command Index */
+#define                   CMD_RSP  0x40       /* Response */
+#define                 CMD_L_RSP  0x80       /* Long Response */
+#define                 CMD_INT_E  0x100      /* Command Interrupt */
+#define                CMD_PEND_E  0x200      /* Command Pending */
+#define                     CMD_E  0x400      /* Command Enable */
+
+/* Bit masks for SDH_PWR_CTL */
+
+#define                    PWR_ON  0x3        /* Power On */
+#if 0
+#define                       TBD  0x3c       /* TBD */
+#endif
+#define                 SD_CMD_OD  0x40       /* Open Drain Output */
+#define                   ROD_CTL  0x80       /* Rod Control */
+
+/* Bit masks for SDH_CLK_CTL */
+
+#define                    CLKDIV  0xff       /* MC_CLK Divisor */
+#define                     CLK_E  0x100      /* MC_CLK Bus Clock Enable */
+#define                  PWR_SV_E  0x200      /* Power Save Enable */
+#define             CLKDIV_BYPASS  0x400      /* Bypass Divisor */
+#define                  WIDE_BUS  0x800      /* Wide Bus Mode Enable */
+
+/* Bit masks for SDH_RESP_CMD */
+
+#define                  RESP_CMD  0x3f       /* Response Command */
+
+/* Bit masks for SDH_DATA_CTL */
+
+#define                     DTX_E  0x1        /* Data Transfer Enable */
+#define                   DTX_DIR  0x2        /* Data Transfer Direction */
+#define                  DTX_MODE  0x4        /* Data Transfer Mode */
+#define                 DTX_DMA_E  0x8        /* Data Transfer DMA Enable */
+#define              DTX_BLK_LGTH  0xf0       /* Data Transfer Block Length */
+
+/* Bit masks for SDH_STATUS */
+
+#define              CMD_CRC_FAIL  0x1        /* CMD CRC Fail */
+#define              DAT_CRC_FAIL  0x2        /* Data CRC Fail */
+#define               CMD_TIME_OUT  0x4        /* CMD Time Out */
+#define               DAT_TIME_OUT  0x8        /* Data Time Out */
+#define               TX_UNDERRUN  0x10       /* Transmit Underrun */
+#define                RX_OVERRUN  0x20       /* Receive Overrun */
+#define              CMD_RESP_END  0x40       /* CMD Response End */
+#define                  CMD_SENT  0x80       /* CMD Sent */
+#define                   DAT_END  0x100      /* Data End */
+#define             START_BIT_ERR  0x200      /* Start Bit Error */
+#define               DAT_BLK_END  0x400      /* Data Block End */
+#define                   CMD_ACT  0x800      /* CMD Active */
+#define                    TX_ACT  0x1000     /* Transmit Active */
+#define                    RX_ACT  0x2000     /* Receive Active */
+#define              TX_FIFO_STAT  0x4000     /* Transmit FIFO Status */
+#define              RX_FIFO_STAT  0x8000     /* Receive FIFO Status */
+#define              TX_FIFO_FULL  0x10000    /* Transmit FIFO Full */
+#define              RX_FIFO_FULL  0x20000    /* Receive FIFO Full */
+#define              TX_FIFO_ZERO  0x40000    /* Transmit FIFO Empty */
+#define               RX_DAT_ZERO  0x80000    /* Receive FIFO Empty */
+#define                TX_DAT_RDY  0x100000   /* Transmit Data Available */
+#define               RX_FIFO_RDY  0x200000   /* Receive Data Available */
+
+/* Bit masks for SDH_STATUS_CLR */
+
+#define         CMD_CRC_FAIL_STAT  0x1        /* CMD CRC Fail Status */
+#define         DAT_CRC_FAIL_STAT  0x2        /* Data CRC Fail Status */
+#define          CMD_TIMEOUT_STAT  0x4        /* CMD Time Out Status */
+#define          DAT_TIMEOUT_STAT  0x8        /* Data Time Out status */
+#define          TX_UNDERRUN_STAT  0x10       /* Transmit Underrun Status */
+#define           RX_OVERRUN_STAT  0x20       /* Receive Overrun Status */
+#define         CMD_RESP_END_STAT  0x40       /* CMD Response End Status */
+#define             CMD_SENT_STAT  0x80       /* CMD Sent Status */
+#define              DAT_END_STAT  0x100      /* Data End Status */
+#define        START_BIT_ERR_STAT  0x200      /* Start Bit Error Status */
+#define          DAT_BLK_END_STAT  0x400      /* Data Block End Status */
+
+/* Bit masks for SDH_MASK0 */
+
+#define         CMD_CRC_FAIL_MASK  0x1        /* CMD CRC Fail Mask */
+#define         DAT_CRC_FAIL_MASK  0x2        /* Data CRC Fail Mask */
+#define          CMD_TIMEOUT_MASK  0x4        /* CMD Time Out Mask */
+#define          DAT_TIMEOUT_MASK  0x8        /* Data Time Out Mask */
+#define          TX_UNDERRUN_MASK  0x10       /* Transmit Underrun Mask */
+#define           RX_OVERRUN_MASK  0x20       /* Receive Overrun Mask */
+#define         CMD_RESP_END_MASK  0x40       /* CMD Response End Mask */
+#define             CMD_SENT_MASK  0x80       /* CMD Sent Mask */
+#define              DAT_END_MASK  0x100      /* Data End Mask */
+#define        START_BIT_ERR_MASK  0x200      /* Start Bit Error Mask */
+#define          DAT_BLK_END_MASK  0x400      /* Data Block End Mask */
+#define              CMD_ACT_MASK  0x800      /* CMD Active Mask */
+#define               TX_ACT_MASK  0x1000     /* Transmit Active Mask */
+#define               RX_ACT_MASK  0x2000     /* Receive Active Mask */
+#define         TX_FIFO_STAT_MASK  0x4000     /* Transmit FIFO Status Mask */
+#define         RX_FIFO_STAT_MASK  0x8000     /* Receive FIFO Status Mask */
+#define         TX_FIFO_FULL_MASK  0x10000    /* Transmit FIFO Full Mask */
+#define         RX_FIFO_FULL_MASK  0x20000    /* Receive FIFO Full Mask */
+#define         TX_FIFO_ZERO_MASK  0x40000    /* Transmit FIFO Empty Mask */
+#define          RX_DAT_ZERO_MASK  0x80000    /* Receive FIFO Empty Mask */
+#define           TX_DAT_RDY_MASK  0x100000   /* Transmit Data Available Mask */
+#define          RX_FIFO_RDY_MASK  0x200000   /* Receive Data Available Mask */
+
+/* Bit masks for SDH_FIFO_CNT */
+
+#define                FIFO_COUNT  0x7fff     /* FIFO Count */
+
+/* Bit masks for SDH_E_STATUS */
+
+#define              SDIO_INT_DET  0x2        /* SDIO Int Detected */
+#define               SD_CARD_DET  0x10       /* SD Card Detect */
+
+/* Bit masks for SDH_E_MASK */
+
+#define                  SDIO_MSK  0x2        /* Mask SDIO Int Detected */
+#define                   SCD_MSK  0x40       /* Mask Card Detect */
+
+/* Bit masks for SDH_CFG */
+
+#define                   CLKS_EN  0x1        /* Clocks Enable */
+#define                      SD4E  0x4        /* SDIO 4-Bit Enable */
+#define                       MWE  0x8        /* Moving Window Enable */
+#define                    SD_RST  0x10       /* SDMMC Reset */
+#define                 PUP_SDDAT  0x20       /* Pull-up SD_DAT */
+#define                PUP_SDDAT3  0x40       /* Pull-up SD_DAT3 */
+#define                 PD_SDDAT3  0x80       /* Pull-down SD_DAT3 */
+
+/* Bit masks for SDH_RD_WAIT_EN */
+
+#define                       RWR  0x1        /* Read Wait Request */
+
 #endif /* _DEF_BF518_H */