X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fqe%2Fuec.c;h=1ecb1379a5c92ed80c61d0fdea47e4600b246471;hb=46b5ccbfe299887fa1f8b15d494d0a5f0e75ee2e;hp=0b4a6e7c47c849bed90662c6e59bdc1aa1103c5e;hpb=8e55258f144764de8902e9f078a7ad4c6c022c2f;p=oweals%2Fu-boot.git diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c index 0b4a6e7c47..1ecb1379a5 100644 --- a/drivers/qe/uec.c +++ b/drivers/qe/uec.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. + * Copyright (C) 2006-2011 Freescale Semiconductor, Inc. * * Dave Liu * @@ -30,6 +30,12 @@ #include "uec.h" #include "uec_phy.h" #include "miiphy.h" +#include + +/* Default UTBIPAR SMI address */ +#ifndef CONFIG_UTBIPAR_INIT_TBIPA +#define CONFIG_UTBIPAR_INIT_TBIPA 0x1F +#endif static uec_info_t uec_info[] = { #ifdef CONFIG_UEC_ETH1 @@ -62,9 +68,6 @@ static uec_info_t uec_info[] = { static struct eth_device *devlist[MAXCONTROLLERS]; -u16 phy_read (struct uec_mii_info *mii_info, u16 regnum); -void phy_write (struct uec_mii_info *mii_info, u16 regnum, u16 val); - static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode) { uec_t *uec_regs; @@ -318,9 +321,10 @@ static int uec_set_mac_duplex(uec_private_t *uec, int duplex) return 0; } -static int uec_set_mac_if_mode(uec_private_t *uec, enet_interface_e if_mode) +static int uec_set_mac_if_mode(uec_private_t *uec, + phy_interface_t if_mode, int speed) { - enet_interface_e enet_if_mode; + phy_interface_t enet_if_mode; uec_info_t *uec_info; uec_t *uec_regs; u32 upsmr; @@ -341,48 +345,69 @@ static int uec_set_mac_if_mode(uec_private_t *uec, enet_interface_e if_mode) upsmr = in_be32(&uec->uccf->uf_regs->upsmr); upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM); - switch (enet_if_mode) { - case ENET_100_MII: - case ENET_10_MII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - break; - case ENET_1000_GMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - break; - case ENET_1000_TBI: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - upsmr |= UPSMR_TBIM; - break; - case ENET_1000_RTBI: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - upsmr |= (UPSMR_RPM | UPSMR_TBIM); - break; - case ENET_1000_RGMII_RXID: - case ENET_1000_RGMII_ID: - case ENET_1000_RGMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - upsmr |= UPSMR_RPM; - break; - case ENET_100_RGMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= UPSMR_RPM; - break; - case ENET_10_RGMII: + switch (speed) { + case SPEED_10: maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= (UPSMR_RPM | UPSMR_R10M); + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_MII: + break; + case PHY_INTERFACE_MODE_RGMII: + upsmr |= (UPSMR_RPM | UPSMR_R10M); + break; + case PHY_INTERFACE_MODE_RMII: + upsmr |= (UPSMR_R10M | UPSMR_RMM); + break; + default: + return -EINVAL; + break; + } break; - case ENET_100_RMII: + case SPEED_100: maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= UPSMR_RMM; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_MII: + break; + case PHY_INTERFACE_MODE_RGMII: + upsmr |= UPSMR_RPM; + break; + case PHY_INTERFACE_MODE_RMII: + upsmr |= UPSMR_RMM; + break; + default: + return -EINVAL; + break; + } break; - case ENET_10_RMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= (UPSMR_R10M | UPSMR_RMM); + case SPEED_1000: + maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_GMII: + break; + case PHY_INTERFACE_MODE_TBI: + upsmr |= UPSMR_TBIM; + break; + case PHY_INTERFACE_MODE_RTBI: + upsmr |= (UPSMR_RPM | UPSMR_TBIM); + break; + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII: + upsmr |= UPSMR_RPM; + break; + case PHY_INTERFACE_MODE_SGMII: + upsmr |= UPSMR_SGMM; + break; + default: + return -EINVAL; + break; + } break; default: return -EINVAL; break; } + out_be32(&uec_regs->maccfg2, maccfg2); out_be32(&uec->uccf->uf_regs->upsmr, upsmr); @@ -495,7 +520,7 @@ static void adjust_link(struct eth_device *dev) struct uec_mii_info *mii_info = uec->mii_info; extern void change_phy_interface_mode(struct eth_device *dev, - enet_interface_e mode); + phy_interface_t mode, int speed); uec_regs = uec->uec_regs; if (mii_info->link) { @@ -513,25 +538,19 @@ static void adjust_link(struct eth_device *dev) } if (mii_info->speed != uec->oldspeed) { + phy_interface_t mode = + uec->uec_info->enet_interface_type; if (uec->uec_info->uf_info.eth_type == GIGA_ETH) { switch (mii_info->speed) { - case 1000: + case SPEED_1000: break; - case 100: + case SPEED_100: printf ("switching to rgmii 100\n"); - /* change phy to rgmii 100 */ - change_phy_interface_mode(dev, - ENET_100_RGMII); - /* change the MAC interface mode */ - uec_set_mac_if_mode(uec,ENET_100_RGMII); + mode = PHY_INTERFACE_MODE_RGMII; break; - case 10: + case SPEED_10: printf ("switching to rgmii 10\n"); - /* change phy to rgmii 10 */ - change_phy_interface_mode(dev, - ENET_10_RGMII); - /* change the MAC interface mode */ - uec_set_mac_if_mode(uec,ENET_10_RGMII); + mode = PHY_INTERFACE_MODE_RGMII; break; default: printf("%s: Ack,Speed(%d)is illegal\n", @@ -540,6 +559,11 @@ static void adjust_link(struct eth_device *dev) } } + /* change phy */ + change_phy_interface_mode(dev, mode, mii_info->speed); + /* change the MAC interface mode */ + uec_set_mac_if_mode(uec, mode, mii_info->speed); + printf("%s: Speed %dBT\n", dev->name, mii_info->speed); uec->oldspeed = mii_info->speed; } @@ -563,15 +587,32 @@ static void phy_change(struct eth_device *dev) { uec_private_t *uec = (uec_private_t *)dev->priv; +#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \ + defined(CONFIG_P1021) || defined(CONFIG_P1025) + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + /* QE9 and QE12 need to be set for enabling QE MII managment signals */ + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); +#endif + /* Update the link, speed, duplex */ uec->mii_info->phyinfo->read_status(uec->mii_info); +#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \ + defined(CONFIG_P1021) || defined(CONFIG_P1025) + /* + * QE12 is muxed with LBCTL, it needs to be released for enabling + * LBCTL signal for LBC usage. + */ + clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); +#endif + /* Adjust the interface according to speed */ adjust_link(dev); } -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ - && !defined(BITBANGMII) +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) /* * Find a device index from the devlist by name @@ -579,7 +620,7 @@ static void phy_change(struct eth_device *dev) * Returns: * The index where the device is located, -1 on error */ -static int uec_miiphy_find_dev_by_name(char *devname) +static int uec_miiphy_find_dev_by_name(const char *devname) { int i; @@ -604,7 +645,7 @@ static int uec_miiphy_find_dev_by_name(char *devname) * Returns: * 0 on success */ -static int uec_miiphy_read(char *devname, unsigned char addr, +static int uec_miiphy_read(const char *devname, unsigned char addr, unsigned char reg, unsigned short *value) { int devindex = 0; @@ -626,7 +667,7 @@ static int uec_miiphy_read(char *devname, unsigned char addr, * Returns: * 0 on success */ -static int uec_miiphy_write(char *devname, unsigned char addr, +static int uec_miiphy_write(const char *devname, unsigned char addr, unsigned char reg, unsigned short value) { int devindex = 0; @@ -971,7 +1012,6 @@ static int uec_startup(uec_private_t *uec) int num_threads_tx; int num_threads_rx; u32 utbipar; - enet_interface_e enet_interface; u32 length; u32 align; qe_bd_t *bd; @@ -1051,7 +1091,7 @@ static int uec_startup(uec_private_t *uec) out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE); /* Setup MAC interface mode */ - uec_set_mac_if_mode(uec, uec_info->enet_interface); + uec_set_mac_if_mode(uec, uec_info->enet_interface_type, uec_info->speed); /* Setup MII management base */ #ifndef CONFIG_eTSEC_MDIO_BUS @@ -1066,18 +1106,26 @@ static int uec_startup(uec_private_t *uec) /* Setup UTBIPAR */ utbipar = in_be32(&uec_regs->utbipar); utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK; - enet_interface = uec->uec_info->enet_interface; - if (enet_interface == ENET_1000_TBI || - enet_interface == ENET_1000_RTBI) { - utbipar |= (uec_info->phy_address + uec_info->uf_info.ucc_num) - << UTBIPAR_PHY_ADDRESS_SHIFT; - } else { - utbipar |= (0x10 + uec_info->uf_info.ucc_num) - << UTBIPAR_PHY_ADDRESS_SHIFT; - } + /* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC. + * This frees up the remaining SMI addresses for use. + */ + utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT; out_be32(&uec_regs->utbipar, utbipar); + /* Configure the TBI for SGMII operation */ + if ((uec->uec_info->enet_interface_type == PHY_INTERFACE_MODE_SGMII) && + (uec->uec_info->speed == SPEED_1000)) { + uec_write_phy_reg(uec->dev, uec_regs->utbipar, + ENET_TBI_MII_ANA, TBIANA_SETTINGS); + + uec_write_phy_reg(uec->dev, uec_regs->utbipar, + ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); + + uec_write_phy_reg(uec->dev, uec_regs->utbipar, + ENET_TBI_MII_CR, TBICR_SETTINGS); + } + /* Allocate Tx BDs */ length = ((uec_info->tx_bd_ring_len * SIZEOFBD) / UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) * @@ -1167,10 +1215,21 @@ static int uec_init(struct eth_device* dev, bd_t *bd) uec_private_t *uec; int err, i; struct phy_info *curphy; +#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \ + defined(CONFIG_P1021) || defined(CONFIG_P1025) + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); +#endif uec = (uec_private_t *)dev->priv; if (uec->the_first_run == 0) { +#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \ + defined(CONFIG_P1021) || defined(CONFIG_P1025) + /* QE9 and QE12 need to be set for enabling QE MII managment signals */ + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); +#endif + err = init_phy(dev); if (err) { printf("%s: Cannot initialize PHY, aborting.\n", @@ -1192,12 +1251,21 @@ static int uec_init(struct eth_device* dev, bd_t *bd) i = 50; do { err = curphy->read_status(uec->mii_info); + if (!(((i-- > 0) && !uec->mii_info->link) || err)) + break; udelay(100000); - } while (((i-- > 0) && !uec->mii_info->link) || err); + } while (1); + +#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \ + defined(CONFIG_P1021) || defined(CONFIG_P1025) + /* QE12 needs to be released for enabling LBCTL signal*/ + clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); +#endif if (err || i <= 0) printf("warning: %s: timeout on PHY link\n", dev->name); + adjust_link(dev); uec->the_first_run = 1; } @@ -1333,8 +1401,9 @@ int uec_initialize(bd_t *bis, uec_info_t *uec_info) devlist[uec_info->uf_info.ucc_num] = dev; uec->uec_info = uec_info; + uec->dev = dev; - sprintf(dev->name, "FSL UEC%d", uec_info->uf_info.ucc_num); + sprintf(dev->name, "UEC%d", uec_info->uf_info.ucc_num); dev->iobase = 0; dev->priv = (void *)uec; dev->init = uec_init; @@ -1354,8 +1423,7 @@ int uec_initialize(bd_t *bis, uec_info_t *uec_info) return err; } -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ - && !defined(BITBANGMII) +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) miiphy_register(dev->name, uec_miiphy_read, uec_miiphy_write); #endif @@ -1376,5 +1444,3 @@ int uec_standard_init(bd_t *bis) { return uec_eth_init(bis, uec_info, ARRAY_SIZE(uec_info)); } - -