diff options
| -rw-r--r-- | drivers/net/dm9000x.c | 187 | ||||
| -rw-r--r-- | include/configs/scb9328.h | 4 | ||||
| -rw-r--r-- | include/configs/trizepsiv.h | 4 |
3 files changed, 129 insertions, 66 deletions
diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c index 01e2f14..0a2ce68 100644 --- a/drivers/net/dm9000x.c +++ b/drivers/net/dm9000x.c @@ -36,7 +36,13 @@ v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>: -------------------------------------- - 12/15/2003 Initial port to u-boot by Sascha Hauer <saschahauer@web.de> + 12/15/2003 Initial port to u-boot by + Sascha Hauer <saschahauer@web.de> + + 06/03/2008 Remy Bohmer <linux@bohmer.net> + - Added autodetect of databus width. + These changes are tested with DM9000{A,EP,E} together + with a 200MHz Atmel AT91SAM92161 core TODO: Homerun NIC and longrun NIC are not functional, only internal at the moment. @@ -84,8 +90,11 @@ typedef struct board_info { u8 device_wait_reset; /* device state */ u8 nic_type; /* NIC type */ unsigned char srom[128]; -} board_info_t; -board_info_t dmfe_info; + void (*outblk)(void *data_ptr, int count); + void (*inblk)(void *data_ptr, int count); + void (*rx_status)(u16 *RxStatus, u16 *RxLen); + } board_info_t; +static board_info_t dm9000_info; /* For module input parameter */ static int media_mode = DM9000_AUTO; @@ -127,7 +136,81 @@ dump_regs(void) DM9000_DBG("ISR (0xFE): %02x\n", DM9000_ior(ISR)); DM9000_DBG("\n"); } -#endif /* */ +#endif + +static void dm9000_outblk_8bit(void *data_ptr, int count) +{ + int i; + for (i = 0; i < count; i++) + DM9000_outb((((u8 *) data_ptr)[i] & 0xff), DM9000_DATA); +} + +static void dm9000_outblk_16bit(void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 1) / 2; + + for (i = 0; i < tmplen; i++) + DM9000_outw(((u16 *) data_ptr)[i], DM9000_DATA); +} +static void dm9000_outblk_32bit(void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 3) / 4; + + for (i = 0; i < tmplen; i++) + DM9000_outl(((u32 *) data_ptr)[i], DM9000_DATA); +} + +static void dm9000_inblk_8bit(void *data_ptr, int count) +{ + int i; + for (i = 0; i < count; i++) + ((u8 *) data_ptr)[i] = DM9000_inb(DM9000_DATA); +} + +static void dm9000_inblk_16bit(void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 1) / 2; + + for (i = 0; i < tmplen; i++) + ((u16 *) data_ptr)[i] = DM9000_inw(DM9000_DATA); +} +static void dm9000_inblk_32bit(void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 3) / 4; + + for (i = 0; i < tmplen; i++) + ((u32 *) data_ptr)[i] = DM9000_inl(DM9000_DATA); +} + +static void dm9000_rx_status_32bit(u16 *RxStatus, u16 *RxLen) +{ + u32 tmpdata = DM9000_inl(DM9000_DATA); + + DM9000_outb(DM9000_MRCMD, DM9000_IO); + + *RxStatus = tmpdata; + *RxLen = tmpdata >> 16; +} + +static void dm9000_rx_status_16bit(u16 *RxStatus, u16 *RxLen) +{ + DM9000_outb(DM9000_MRCMD, DM9000_IO); + + *RxStatus = DM9000_inw(DM9000_DATA); + *RxLen = DM9000_inw(DM9000_DATA); +} + +static void dm9000_rx_status_8bit(u16 *RxStatus, u16 *RxLen) +{ + DM9000_outb(DM9000_MRCMD, DM9000_IO); + + *RxStatus = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); + *RxLen = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); +} /* Search DM9000 board, allocate space and register it @@ -236,7 +319,7 @@ program_dm9802(void) static void identify_nic(void) { - struct board_info *db = &dmfe_info; /* Point a board information structure */ + struct board_info *db = &dm9000_info; u16 phy_reg3; DM9000_iow(DM9000_NCR, NCR_EXT_PHY); phy_reg3 = phy_read(3); @@ -274,12 +357,46 @@ int eth_init(bd_t * bd) { int i, oft, lnk; + u8 io_mode; + struct board_info *db = &dm9000_info; + DM9000_DBG("eth_init()\n"); /* RESET device */ dm9000_reset(); dm9000_probe(); + /* Auto-detect 8/16/32 bit mode, ISR Bit 6+7 indicate bus width */ + io_mode = DM9000_ior(DM9000_ISR) >> 6; + + switch (io_mode) { + case 0x0: /* 16-bit mode */ + printf("DM9000: running in 16 bit mode\n"); + db->outblk = dm9000_outblk_16bit; + db->inblk = dm9000_inblk_16bit; + db->rx_status = dm9000_rx_status_16bit; + break; + case 0x01: /* 32-bit mode */ + printf("DM9000: running in 32 bit mode\n"); + db->outblk = dm9000_outblk_32bit; + db->inblk = dm9000_inblk_32bit; + db->rx_status = dm9000_rx_status_32bit; + break; + case 0x02: /* 8 bit mode */ + printf("DM9000: running in 8 bit mode\n"); + db->outblk = dm9000_outblk_8bit; + db->inblk = dm9000_inblk_8bit; + db->rx_status = dm9000_rx_status_8bit; + break; + default: + /* Assume 8 bit mode, will probably not work anyway */ + printf("DM9000: Undefined IO-mode:0x%x\n", io_mode); + db->outblk = dm9000_outblk_8bit; + db->inblk = dm9000_inblk_8bit; + db->rx_status = dm9000_rx_status_8bit; + break; + } + /* NIC Type: FASTETHER, HOMERUN, LONGRUN */ identify_nic(); @@ -377,6 +494,8 @@ eth_send(volatile void *packet, int length) char *data_ptr; u32 tmplen, i; int tmo; + struct board_info *db = &dm9000_info; + DM9000_DBG("eth_send: length: %d\n", length); for (i = 0; i < length; i++) { if (i % 8 == 0) @@ -388,24 +507,8 @@ eth_send(volatile void *packet, int length) data_ptr = (char *) packet; DM9000_outb(DM9000_MWCMD, DM9000_IO); -#ifdef CONFIG_DM9000_USE_8BIT - /* Byte mode */ - for (i = 0; i < length; i++) - DM9000_outb((data_ptr[i] & 0xff), DM9000_DATA); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_16BIT - tmplen = (length + 1) / 2; - for (i = 0; i < tmplen; i++) - DM9000_outw(((u16 *) data_ptr)[i], DM9000_DATA); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_32BIT - tmplen = (length + 3) / 4; - for (i = 0; i < tmplen; i++) - DM9000_outl(((u32 *) data_ptr)[i], DM9000_DATA); - -#endif /* */ + /* push the data to the TX-fifo */ + (db->outblk)(data_ptr, length); /* Set TX length to DM9000 */ DM9000_iow(DM9000_TXPLL, length & 0xff); @@ -450,10 +553,7 @@ eth_rx(void) { u8 rxbyte, *rdptr = (u8 *) NetRxPackets[0]; u16 RxStatus, RxLen = 0; - u32 tmplen, i; -#ifdef CONFIG_DM9000_USE_32BIT - u32 tmpdata; -#endif + struct board_info *db = &dm9000_info; /* Check packet ready or not */ DM9000_ior(DM9000_MRCMDX); /* Dummy read */ @@ -472,43 +572,14 @@ eth_rx(void) /* A packet ready now & Get status/length */ DM9000_outb(DM9000_MRCMD, DM9000_IO); -#ifdef CONFIG_DM9000_USE_8BIT - RxStatus = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); - RxLen = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); + (db->rx_status)(&RxStatus, &RxLen); -#endif /* */ -#ifdef CONFIG_DM9000_USE_16BIT - RxStatus = DM9000_inw(DM9000_DATA); - RxLen = DM9000_inw(DM9000_DATA); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_32BIT - tmpdata = DM9000_inl(DM9000_DATA); - RxStatus = tmpdata; - RxLen = tmpdata >> 16; - -#endif /* */ DM9000_DBG("rx status: 0x%04x rx len: %d\n", RxStatus, RxLen); /* Move data from DM9000 */ /* Read received packet from RX SRAM */ -#ifdef CONFIG_DM9000_USE_8BIT - for (i = 0; i < RxLen; i++) - rdptr[i] = DM9000_inb(DM9000_DATA); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_16BIT - tmplen = (RxLen + 1) / 2; - for (i = 0; i < tmplen; i++) - ((u16 *) rdptr)[i] = DM9000_inw(DM9000_DATA); + (db->inblk)(rdptr, RxLen); -#endif /* */ -#ifdef CONFIG_DM9000_USE_32BIT - tmplen = (RxLen + 3) / 4; - for (i = 0; i < tmplen; i++) - ((u32 *) rdptr)[i] = DM9000_inl(DM9000_DATA); - -#endif /* */ if ((RxStatus & 0xbf00) || (RxLen < 0x40) || (RxLen > DM9000_PKT_MAX)) { if (RxStatus & 0x100) { diff --git a/include/configs/scb9328.h b/include/configs/scb9328.h index d140241..4ae25ad 100644 --- a/include/configs/scb9328.h +++ b/include/configs/scb9328.h @@ -257,13 +257,9 @@ #define CFG_CS5L_VAL 0x00000D03 #define CONFIG_DRIVER_DM9000 1 -#define CONFIG_DRIVER_DM9000 1 #define CONFIG_DM9000_BASE 0x16000000 #define DM9000_IO CONFIG_DM9000_BASE #define DM9000_DATA (CONFIG_DM9000_BASE+4) -/* #define CONFIG_DM9000_USE_8BIT */ -#define CONFIG_DM9000_USE_16BIT -/* #define CONFIG_DM9000_USE_32BIT */ /* f_{dpll}=2*f{ref}*(MFI+MFN/(MFD+1))/(PD+1) f_ref=16,777MHz diff --git a/include/configs/trizepsiv.h b/include/configs/trizepsiv.h index 25155ad..f77dd14 100644 --- a/include/configs/trizepsiv.h +++ b/include/configs/trizepsiv.h @@ -276,13 +276,9 @@ #define CFG_MCIO1_VAL 0x0000c108 #define CONFIG_DRIVER_DM9000 1 -#define CONFIG_DRIVER_DM9000 1 #define CONFIG_DM9000_BASE 0x08000000 #define DM9000_IO CONFIG_DM9000_BASE #define DM9000_DATA (CONFIG_DM9000_BASE+0x8004) -/* #define CONFIG_DM9000_USE_8BIT */ -/* #define CONFIG_DM9000_USE_16BIT */ -#define CONFIG_DM9000_USE_32BIT #define CONFIG_USB_OHCI_NEW 1 #define CFG_USB_OHCI_BOARD_INIT 1 |