diff options
Diffstat (limited to 'package/boot/uboot-ar71xx/files/drivers')
5 files changed, 2348 insertions, 0 deletions
diff --git a/package/boot/uboot-ar71xx/files/drivers/net/ag71xx.c b/package/boot/uboot-ar71xx/files/drivers/net/ag71xx.c new file mode 100644 index 0000000..b3324c0 --- /dev/null +++ b/package/boot/uboot-ar71xx/files/drivers/net/ag71xx.c @@ -0,0 +1,809 @@ +/* + * Atheros AR71xx built-in ethernet mac driver + * + * Copyright (C) 2010 Michael Kurz <michi.kurz@googlemail.com> + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Based on Atheros' AG7100 driver + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <miiphy.h> + +#include <asm/ar71xx.h> + +#include "ag71xx.h" + +#ifdef AG71XX_DEBUG +#define DBG(fmt,args...) printf(fmt ,##args) +#else +#define DBG(fmt,args...) +#endif + + +static struct ag71xx agtable[] = { + { + .mac_base = KSEG1ADDR(AR71XX_GE0_BASE), + .mii_ctrl = KSEG1ADDR(AR71XX_MII_BASE + MII_REG_MII0_CTRL), + .mii_if = CONFIG_AG71XX_MII0_IIF, + } , { + .mac_base = KSEG1ADDR(AR71XX_GE1_BASE), + .mii_ctrl = KSEG1ADDR(AR71XX_MII_BASE + MII_REG_MII1_CTRL), + .mii_if = CONFIG_AG71XX_MII1_IIF, + } +}; + +static int ag71xx_ring_alloc(struct ag71xx_ring *ring, unsigned int size) +{ + int err; + int i; + int rsize; + + ring->desc_size = sizeof(struct ag71xx_desc); + if (ring->desc_size % (CONFIG_SYS_CACHELINE_SIZE)) { + rsize = roundup(ring->desc_size, CONFIG_SYS_CACHELINE_SIZE); + DBG("ag71xx: ring %p, desc size %u rounded to %u\n", + ring, ring->desc_size, + rsize); + ring->desc_size = rsize; + } + + ring->descs_cpu = (u8 *) malloc((size * ring->desc_size) + + CONFIG_SYS_CACHELINE_SIZE - 1); + if (!ring->descs_cpu) { + err = -1; + goto err; + } + ring->descs_cpu = (u8 *) UNCACHED_SDRAM((((u32) ring->descs_cpu + + CONFIG_SYS_CACHELINE_SIZE - 1) & ~(CONFIG_SYS_CACHELINE_SIZE - 1))); + ring->descs_dma = (u8 *) virt_to_phys(ring->descs_cpu); + + ring->size = size; + + ring->buf = malloc(size * sizeof(*ring->buf)); + if (!ring->buf) { + err = -1; + goto err; + } + memset(ring->buf, 0, size * sizeof(*ring->buf)); + + for (i = 0; i < size; i++) { + ring->buf[i].desc = + (struct ag71xx_desc *)&ring->descs_cpu[i * ring->desc_size]; + DBG("ag71xx: ring %p, desc %d at %p\n", + ring, i, ring->buf[i].desc); + } + + flush_cache( (u32) ring->buf, size * sizeof(*ring->buf)); + + return 0; + + err: + return err; +} + +static void ag71xx_ring_tx_init(struct ag71xx *ag) +{ + struct ag71xx_ring *ring = &ag->tx_ring; + int i; + + for (i = 0; i < AG71XX_TX_RING_SIZE; i++) { + ring->buf[i].desc->next = (u32) virt_to_phys((ring->descs_dma + + ring->desc_size * ((i + 1) % AG71XX_TX_RING_SIZE))); + + ring->buf[i].desc->ctrl = DESC_EMPTY; + ring->buf[i].skb = NULL; + } + + ring->curr = 0; +} + +static void ag71xx_ring_rx_clean(struct ag71xx *ag) +{ + struct ag71xx_ring *ring = &ag->rx_ring; + int i; + + if (!ring->buf) + return; + + for (i = 0; i < AG71XX_RX_RING_SIZE; i++) { + ring->buf[i].desc->data = (u32) virt_to_phys(NetRxPackets[i]); + flush_cache((u32) NetRxPackets[i], PKTSIZE_ALIGN); + ring->buf[i].desc->ctrl = DESC_EMPTY; + } + + ring->curr = 0; +} + +static int ag71xx_ring_rx_init(struct ag71xx *ag) +{ + struct ag71xx_ring *ring = &ag->rx_ring; + unsigned int i; + + for (i = 0; i < AG71XX_RX_RING_SIZE; i++) { + ring->buf[i].desc->next = (u32) virt_to_phys((ring->descs_dma + + ring->desc_size * ((i + 1) % AG71XX_RX_RING_SIZE))); + + DBG("ag71xx: RX desc at %p, next is %08x\n", + ring->buf[i].desc, + ring->buf[i].desc->next); + } + + for (i = 0; i < AG71XX_RX_RING_SIZE; i++) { + ring->buf[i].desc->data = (u32) virt_to_phys(NetRxPackets[i]); + ring->buf[i].desc->ctrl = DESC_EMPTY; + } + + ring->curr = 0; + + return 0; +} + +static int ag71xx_rings_init(struct ag71xx *ag) +{ + int ret; + + ret = ag71xx_ring_alloc(&ag->tx_ring, AG71XX_TX_RING_SIZE); + if (ret) + return ret; + + ag71xx_ring_tx_init(ag); + + ret = ag71xx_ring_alloc(&ag->rx_ring, AG71XX_RX_RING_SIZE); + if (ret) + return ret; + + ret = ag71xx_ring_rx_init(ag); + return ret; +} + +static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift) +{ + uint32_t base = KSEG1ADDR(AR71XX_PLL_BASE); + u32 t; + + t = readl(base + cfg_reg); + t &= ~(3 << shift); + t |= (2 << shift); + writel(t, base + cfg_reg); + udelay(100); + + writel(pll_val, base + pll_reg); + + t |= (3 << shift); + writel(t, base + cfg_reg); + udelay(100); + + t &= ~(3 << shift); + writel(t, base + cfg_reg); + udelay(100); + + debug("ar71xx: pll_reg %#x: %#x\n", (unsigned int)(base + pll_reg), + readl(base + pll_reg)); +} + +static void ar91xx_set_pll_ge0(int speed) +{ + //u32 val = ar71xx_get_eth_pll(0, speed); + u32 pll_val; + + switch (speed) { + case SPEED_10: + pll_val = 0x00441099; + break; + case SPEED_100: + pll_val = 0x13000a44; + break; + case SPEED_1000: + pll_val = 0x1a000000; + break; + default: + BUG(); + } + + ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH0_INT_CLOCK, + pll_val, AR91XX_ETH0_PLL_SHIFT); +} + +static void ar91xx_set_pll_ge1(int speed) +{ + //u32 val = ar71xx_get_eth_pll(1, speed); + u32 pll_val; + + switch (speed) { + case SPEED_10: + pll_val = 0x00441099; + break; + case SPEED_100: + pll_val = 0x13000a44; + break; + case SPEED_1000: + pll_val = 0x1a000000; + break; + default: + BUG(); + } + + ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH1_INT_CLOCK, + pll_val, AR91XX_ETH1_PLL_SHIFT); +} + +static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac) +{ + u32 t; + + t = (((u32) mac[5]) << 24) | (((u32) mac[4]) << 16) + | (((u32) mac[3]) << 8) | ((u32) mac[2]); + + ag71xx_wr(ag, AG71XX_REG_MAC_ADDR1, t); + + t = (((u32) mac[1]) << 24) | (((u32) mac[0]) << 16); + ag71xx_wr(ag, AG71XX_REG_MAC_ADDR2, t); +} + +static void ag71xx_dma_reset(struct ag71xx *ag) +{ + u32 val; + int i; + + DBG("%s: txdesc reg: 0x%08x rxdesc reg: 0x%08x\n", + ag->dev->name, + ag71xx_rr(ag, AG71XX_REG_TX_DESC), + ag71xx_rr(ag, AG71XX_REG_RX_DESC)); + + /* stop RX and TX */ + ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0); + ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0); + + /* clear descriptor addresses */ + ag71xx_wr(ag, AG71XX_REG_TX_DESC, 0); + ag71xx_wr(ag, AG71XX_REG_RX_DESC, 0); + + /* clear pending RX/TX interrupts */ + for (i = 0; i < 256; i++) { + ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR); + ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS); + } + + /* clear pending errors */ + ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE | RX_STATUS_OF); + ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE | TX_STATUS_UR); + + val = ag71xx_rr(ag, AG71XX_REG_RX_STATUS); + if (val) + printf("%s: unable to clear DMA Rx status: %08x\n", + ag->dev->name, val); + + val = ag71xx_rr(ag, AG71XX_REG_TX_STATUS); + + /* mask out reserved bits */ + val &= ~0xff000000; + + if (val) + printf("%s: unable to clear DMA Tx status: %08x\n", + ag->dev->name, val); +} + +static void ag71xx_halt(struct eth_device *dev) +{ + struct ag71xx *ag = (struct ag71xx *) dev->priv; + + /* stop RX engine */ + ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0); + + ag71xx_dma_reset(ag); +} + +#define MAX_WAIT 1000 + +static int ag71xx_send(struct eth_device *dev, volatile void *packet, + int length) +{ + struct ag71xx *ag = (struct ag71xx *) dev->priv; + struct ag71xx_ring *ring = &ag->tx_ring; + struct ag71xx_desc *desc; + int i; + + i = ring->curr % AG71XX_TX_RING_SIZE; + desc = ring->buf[i].desc; + + if (!ag71xx_desc_empty(desc)) { + printf("%s: tx buffer full\n", ag->dev->name); + return 1; + } + + flush_cache((u32) packet, length); + desc->data = (u32) virt_to_phys(packet); + desc->ctrl = (length & DESC_PKTLEN_M); + + DBG("%s: sending %#08x length %#08x\n", + ag->dev->name, desc->data, desc->ctrl); + + ring->curr++; + if (ring->curr >= AG71XX_TX_RING_SIZE){ + ring->curr = 0; + } + + /* enable TX engine */ + ag71xx_wr(ag, AG71XX_REG_TX_CTRL, TX_CTRL_TXE); + + for (i = 0; i < MAX_WAIT; i++) + { + if (ag71xx_desc_empty(desc)) + break; + udelay(10); + } + if (i == MAX_WAIT) { + printf("%s: tx timed out!\n", ag->dev->name); + return -1; + } + + /* disable TX engine */ + ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0); + desc->data = 0; + desc->ctrl = DESC_EMPTY; + + return 0; +} + +static int ag71xx_recv(struct eth_device *dev) +{ + struct ag71xx *ag = (struct ag71xx *) dev->priv; + struct ag71xx_ring *ring = &ag->rx_ring; + + for (;;) { + unsigned int i = ring->curr % AG71XX_RX_RING_SIZE; + struct ag71xx_desc *desc = ring->buf[i].desc; + int pktlen; + + if (ag71xx_desc_empty(desc)) + break; + + DBG("%s: rx packets, curr=%u\n", dev->name, ring->curr); + + pktlen = ag71xx_desc_pktlen(desc); + pktlen -= ETH_FCS_LEN; + + + NetReceive(NetRxPackets[i] , pktlen); + flush_cache( (u32) NetRxPackets[i], PKTSIZE_ALIGN); + + ring->buf[i].desc->ctrl = DESC_EMPTY; + ring->curr++; + if (ring->curr >= AG71XX_RX_RING_SIZE){ + ring->curr = 0; + } + + } + + if ((ag71xx_rr(ag, AG71XX_REG_RX_CTRL) & RX_CTRL_RXE) == 0) { + /* start RX engine */ + ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE); + } + + return 0; +} + +#ifdef AG71XX_DEBUG +static char *ag71xx_speed_str(struct ag71xx *ag) +{ + switch (ag->speed) { + case SPEED_1000: + return "1000"; + case SPEED_100: + return "100"; + case SPEED_10: + return "10"; + } + + return "?"; +} +#endif + +void ag71xx_link_adjust(struct ag71xx *ag) +{ + u32 cfg2; + u32 ifctl; + u32 fifo5; + u32 mii_speed; + + if (!ag->link) { + DBG("%s: link down\n", ag->dev->name); + return; + } + + cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2); + cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX); + cfg2 |= (ag->duplex) ? MAC_CFG2_FDX : 0; + + ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL); + ifctl &= ~(MAC_IFCTL_SPEED); + + fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5); + fifo5 &= ~FIFO_CFG5_BM; + + switch (ag->speed) { + case SPEED_1000: + mii_speed = MII_CTRL_SPEED_1000; + cfg2 |= MAC_CFG2_IF_1000; + fifo5 |= FIFO_CFG5_BM; + break; + case SPEED_100: + mii_speed = MII_CTRL_SPEED_100; + cfg2 |= MAC_CFG2_IF_10_100; + ifctl |= MAC_IFCTL_SPEED; + break; + case SPEED_10: + mii_speed = MII_CTRL_SPEED_10; + cfg2 |= MAC_CFG2_IF_10_100; + break; + default: + BUG(); + return; + } + + ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x00780fff); + + if (ag->macNum == 0) + ar91xx_set_pll_ge0(ag->speed); + else + ar91xx_set_pll_ge1(ag->speed); + + ag71xx_mii_ctrl_set_speed(ag, mii_speed); + + ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2); + ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5); + ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl); + + DBG("%s: link up (%sMbps/%s duplex)\n", + ag->dev->name, + ag71xx_speed_str(ag), + (1 == ag->duplex) ? "Full" : "Half"); + + DBG("%s: fifo_cfg0=%#x, fifo_cfg1=%#x, fifo_cfg2=%#x\n", + ag->dev->name, + ag71xx_rr(ag, AG71XX_REG_FIFO_CFG0), + ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1), + ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2)); + + DBG("%s: fifo_cfg3=%#x, fifo_cfg4=%#x, fifo_cfg5=%#x\n", + ag->dev->name, + ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3), + ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4), + ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5)); + + DBG("%s: mac_cfg2=%#x, mac_ifctl=%#x, mii_ctrl=%#x\n", + ag->dev->name, + ag71xx_rr(ag, AG71XX_REG_MAC_CFG2), + ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL), + ag71xx_mii_ctrl_rr(ag)); +} + +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) +static int ag71xx_getMiiSpeed(struct ag71xx *ag) +{ + uint16_t phyreg, cap; + + if (miiphy_read(ag->phyname, ag->phyid, + PHY_BMSR, &phyreg)) { + puts("PHY_BMSR read failed, assuming no link\n"); + return -1; + } + + if ((phyreg & PHY_BMSR_LS) == 0) { + return -1; + } + + if (miiphy_read(ag->phyname, ag->phyid, + PHY_1000BTSR, &phyreg)) + return -1; + + if (phyreg & PHY_1000BTSR_1000FD) { + ag->speed = SPEED_1000; + ag->duplex = 1; + } else if (phyreg & PHY_1000BTSR_1000HD) { + ag->speed = SPEED_1000; + ag->duplex = 0; + } else { + if (miiphy_read(ag->phyname, ag->phyid, + PHY_ANAR, &cap)) + return -1; + + if (miiphy_read(ag->phyname, ag->phyid, + PHY_ANLPAR, &phyreg)) + return -1; + + cap &= phyreg; + if (cap & PHY_ANLPAR_TXFD) { + ag->speed = SPEED_100; + ag->duplex = 1; + } else if (cap & PHY_ANLPAR_TX) { + ag->speed = SPEED_100; + ag->duplex = 0; + } else if (cap & PHY_ANLPAR_10FD) { + ag->speed = SPEED_10; + ag->duplex = 1; + } else { + ag->speed = SPEED_10; + ag->duplex = 0; + } + } + + ag->link = 1; + + return 0; +} +#endif + +static int ag71xx_hw_start(struct eth_device *dev, bd_t * bd) +{ + struct ag71xx *ag = (struct ag71xx *) dev->priv; + + ag71xx_dma_reset(ag); + + ag71xx_ring_rx_clean(ag); + ag71xx_ring_tx_init(ag); + + ag71xx_wr(ag, AG71XX_REG_TX_DESC, + (u32) virt_to_phys(ag->tx_ring.descs_dma)); + ag71xx_wr(ag, AG71XX_REG_RX_DESC, + (u32) virt_to_phys(ag->rx_ring.descs_dma)); + + ag71xx_hw_set_macaddr(ag, ag->dev->enetaddr); + + if (ag->phyfixed) { + ag->link = 1; + ag->duplex = 1; + ag->speed = SPEED_1000; + } else { + +#if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) + if (ag71xx_getMiiSpeed(ag)) + return -1; +#else + /* only fixed, without mii */ + return -1; +#endif + + } + ag71xx_link_adjust(ag); + + DBG("%s: txdesc reg: %#08x rxdesc reg: %#08x\n", + ag->dev->name, + ag71xx_rr(ag, AG71XX_REG_TX_DESC), + ag71xx_rr(ag, AG71XX_REG_RX_DESC)); + + /* start RX engine */ + ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE); + + return 0; +} + +#define FIFO_CFG0_INIT (FIFO_CFG0_ALL << FIFO_CFG0_ENABLE_SHIFT) + +#define FIFO_CFG4_INIT (FIFO_CFG4_DE | FIFO_CFG4_DV | FIFO_CFG4_FC | \ + FIFO_CFG4_CE | FIFO_CFG4_CR | FIFO_CFG4_LM | \ + FIFO_CFG4_LO | FIFO_CFG4_OK | FIFO_CFG4_MC | \ + FIFO_CFG4_BC | FIFO_CFG4_DR | FIFO_CFG4_LE | \ + FIFO_CFG4_CF | FIFO_CFG4_PF | FIFO_CFG4_UO | \ + FIFO_CFG4_VT) + +#define FIFO_CFG5_INIT (FIFO_CFG5_DE | FIFO_CFG5_DV | FIFO_CFG5_FC | \ + FIFO_CFG5_CE | FIFO_CFG5_LO | FIFO_CFG5_OK | \ + FIFO_CFG5_MC | FIFO_CFG5_BC | FIFO_CFG5_DR | \ + FIFO_CFG5_CF | FIFO_CFG5_PF | FIFO_CFG5_VT | \ + FIFO_CFG5_LE | FIFO_CFG5_FT | FIFO_CFG5_16 | \ + FIFO_CFG5_17 | FIFO_CFG5_SF) + +static int ag71xx_hw_init(struct ag71xx *ag) +{ + int ret = 0; + uint32_t reg; + uint32_t mask, mii_type; + + if (ag->macNum == 0) { + mask = (RESET_MODULE_GE0_MAC | RESET_MODULE_GE0_PHY); + mii_type = 0x13; + } else { + mask = (RESET_MODULE_GE1_MAC | RESET_MODULE_GE1_PHY); + mii_type = 0x11; + } + + // mac soft reset + ag71xx_sb(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_SR); + udelay(20); + + // device stop + reg = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE); + ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, reg | mask); + udelay(100 * 1000); + + // device start + reg = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE); + ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, reg & ~mask); + udelay(100 * 1000); + + /* setup MAC configuration registers */ + ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, (MAC_CFG1_RXE | MAC_CFG1_TXE)); + + ag71xx_sb(ag, AG71XX_REG_MAC_CFG2, + MAC_CFG2_PAD_CRC_EN | MAC_CFG2_LEN_CHECK); + + /* setup FIFO configuration register 0 */ + ag71xx_wr(ag, AG71XX_REG_FIFO_CFG0, FIFO_CFG0_INIT); + + /* setup MII interface type */ + ag71xx_mii_ctrl_set_if(ag, ag->mii_if); + + /* setup mdio clock divisor */ + ag71xx_wr(ag, AG71XX_REG_MII_CFG, MII_CFG_CLK_DIV_20); + + /* setup FIFO configuration registers */ + ag71xx_sb(ag, AG71XX_REG_FIFO_CFG4, FIFO_CFG4_INIT); + ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, 0x0fff0000); + ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, 0x00001fff); + ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, FIFO_CFG5_INIT); + + ag71xx_dma_reset(ag); + + ret = ag71xx_rings_init(ag); + if (ret) + return -1; + + ag71xx_wr(ag, AG71XX_REG_TX_DESC, + (u32) virt_to_phys(ag->tx_ring.descs_dma)); + ag71xx_wr(ag, AG71XX_REG_RX_DESC, + (u32) virt_to_phys(ag->rx_ring.descs_dma)); + + ag71xx_hw_set_macaddr(ag, ag->dev->enetaddr); + + return 0; +} + +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) +#define AG71XX_MDIO_RETRY 1000 +#define AG71XX_MDIO_DELAY 5 + +static inline struct ag71xx *ag71xx_name2mac(char *devname) +{ + if (strcmp(devname, agtable[0].dev->name) == 0) + return &agtable[0]; + else if (strcmp(devname, agtable[1].dev->name) == 0) + return &agtable[1]; + else + return NULL; +} + +static inline void ag71xx_mdio_wr(struct ag71xx *ag, unsigned reg, + u32 value) +{ + uint32_t r; + + r = ag->mac_base + reg; + writel(value, r); + + /* flush write */ + (void) readl(r); +} + +static inline u32 ag71xx_mdio_rr(struct ag71xx *ag, unsigned reg) +{ + return readl(ag->mac_base + reg); +} + +static int ag71xx_mdio_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *val) +{ + struct ag71xx *ag = ag71xx_name2mac(devname); + uint16_t regData; + int i; + + ag71xx_mdio_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_WRITE); + ag71xx_mdio_wr(ag, AG71XX_REG_MII_ADDR, + ((addr & 0xff) << MII_ADDR_SHIFT) | (reg & 0xff)); + ag71xx_mdio_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_READ); + + i = AG71XX_MDIO_RETRY; + while (ag71xx_mdio_rr(ag, AG71XX_REG_MII_IND) & MII_IND_BUSY) { + if (i-- == 0) { + printf("%s: mii_read timed out\n", + ag->dev->name); + return -1; + } + udelay(AG71XX_MDIO_DELAY); + } + + regData = (uint16_t) ag71xx_mdio_rr(ag, AG71XX_REG_MII_STATUS) & 0xffff; + ag71xx_mdio_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_WRITE); + + DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, regData); + + if (val) + *val = regData; + + return 0; +} + +static int ag71xx_mdio_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short val) +{ + struct ag71xx *ag = ag71xx_name2mac(devname); + int i; + + if (ag == NULL) + return 1; + + DBG("mii_write: addr=%04x, reg=%04x, value=%04x\n", addr, reg, val); + + ag71xx_mdio_wr(ag, AG71XX_REG_MII_ADDR, + ((addr & 0xff) << MII_ADDR_SHIFT) | (reg & 0xff)); + ag71xx_mdio_wr(ag, AG71XX_REG_MII_CTRL, val); + + i = AG71XX_MDIO_RETRY; + while (ag71xx_mdio_rr(ag, AG71XX_REG_MII_IND) & MII_IND_BUSY) { + if (i-- == 0) { + printf("%s: mii_write timed out\n", + ag->dev->name); + break; + } + udelay(AG71XX_MDIO_DELAY); + } + + return 0; +} +#endif + +int ag71xx_register(bd_t * bis, char *phyname[], uint16_t phyid[], uint16_t phyfixed[]) +{ + int i, num = 0; + u8 used_ports[MAX_AG71XX_DEVS] = CONFIG_AG71XX_PORTS; + + for (i = 0; i < MAX_AG71XX_DEVS; i++) { + /*skip if port is configured not to use */ + if (used_ports[i] == 0) + continue; + + agtable[i].dev = malloc(sizeof(struct eth_device)); + if (agtable[i].dev == NULL) { + puts("malloc failed\n"); + return 0; + } + memset(agtable[i].dev, 0, sizeof(struct eth_device)); + sprintf(agtable[i].dev->name, "eth%d", i); + + agtable[i].dev->iobase = 0; + agtable[i].dev->init = ag71xx_hw_start; + agtable[i].dev->halt = ag71xx_halt; + agtable[i].dev->send = ag71xx_send; + agtable[i].dev->recv = ag71xx_recv; + agtable[i].dev->priv = (void *) (&agtable[i]); + agtable[i].macNum = i; + eth_register(agtable[i].dev); +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) + + if ((phyname == NULL) || (phyid == NULL) || (phyfixed == NULL)) + return -1; + + agtable[i].phyname = strdup(phyname[i]); + agtable[i].phyid = phyid[i]; + agtable[i].phyfixed = phyfixed[i]; + + miiphy_register(agtable[i].dev->name, ag71xx_mdio_read, + ag71xx_mdio_write); +#endif + + if (ag71xx_hw_init(&agtable[i])) + continue; + + num++; + } + + return num; +} diff --git a/package/boot/uboot-ar71xx/files/drivers/net/ag71xx.h b/package/boot/uboot-ar71xx/files/drivers/net/ag71xx.h new file mode 100644 index 0000000..edce429 --- /dev/null +++ b/package/boot/uboot-ar71xx/files/drivers/net/ag71xx.h @@ -0,0 +1,374 @@ +/* + * Atheros AR71xx built-in ethernet mac driver + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Based on Atheros' AG7100 driver + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#ifndef __AG71XX_H +#define __AG71XX_H + +#include <linux/types.h> +#include <linux/bitops.h> + +#include <asm/ar71xx.h> + +// controller has 2 ports +#define MAX_AG71XX_DEVS 2 + +#define ETH_FCS_LEN 4 + +#define SPEED_10 10 +#define SPEED_100 100 +#define SPEED_1000 1000 + + +#define AG71XX_INT_ERR (AG71XX_INT_RX_BE | AG71XX_INT_TX_BE) +#define AG71XX_INT_TX (AG71XX_INT_TX_PS) +#define AG71XX_INT_RX (AG71XX_INT_RX_PR | AG71XX_INT_RX_OF) + +#define AG71XX_INT_POLL (AG71XX_INT_RX | AG71XX_INT_TX) +#define AG71XX_INT_INIT (AG71XX_INT_ERR | AG71XX_INT_POLL) + +#define AG71XX_TX_FIFO_LEN 2048 +#define AG71XX_TX_MTU_LEN 1536 +#define AG71XX_RX_PKT_RESERVE 64 +#define AG71XX_RX_PKT_SIZE \ + (AG71XX_RX_PKT_RESERVE + ETH_HLEN + ETH_FRAME_LEN + ETH_FCS_LEN) + +#ifndef CONFIG_SYS_RX_ETH_BUFFER +#define AG71XX_TX_RING_SIZE 4 +#define AG71XX_RX_RING_SIZE 4 +#else +#define AG71XX_TX_RING_SIZE CONFIG_SYS_RX_ETH_BUFFER +#define AG71XX_RX_RING_SIZE CONFIG_SYS_RX_ETH_BUFFER +#endif + +#define AG71XX_TX_THRES_STOP (AG71XX_TX_RING_SIZE - 4) +#define AG71XX_TX_THRES_WAKEUP \ + (AG71XX_TX_RING_SIZE - (AG71XX_TX_RING_SIZE / 4)) + + + + +struct ag71xx_desc { + u32 data; + u32 ctrl; +#define DESC_EMPTY BIT(31) +#define DESC_MORE BIT(24) +#define DESC_PKTLEN_M 0xfff + u32 next; + u32 pad; +} __attribute__((aligned(4))); + +struct ag71xx_buf { + struct sk_buff *skb; + struct ag71xx_desc *desc; + dma_addr_t dma_addr; + u32 pad; +}; + +struct ag71xx_ring { + struct ag71xx_buf *buf; + u8 *descs_cpu; + u8 *descs_dma; + unsigned int desc_size; + unsigned int curr; + unsigned int size; +}; + +struct ag71xx { + uint32_t mac_base; + uint32_t mii_ctrl; + + struct eth_device *dev; + + struct ag71xx_ring rx_ring; + struct ag71xx_ring tx_ring; + + char *phyname; + u16 phyid; + u16 phyfixed; + uint32_t link; + uint32_t speed; + int32_t duplex; + uint32_t macNum; + uint32_t mii_if; +}; + +void ag71xx_link_adjust(struct ag71xx *ag); + +int ag71xx_phy_connect(struct ag71xx *ag); +void ag71xx_phy_disconnect(struct ag71xx *ag); +void ag71xx_phy_start(struct ag71xx *ag); +void ag71xx_phy_stop(struct ag71xx *ag); + +static inline int ag71xx_desc_empty(struct ag71xx_desc *desc) +{ + return ((desc->ctrl & DESC_EMPTY) != 0); +} + +static inline int ag71xx_desc_pktlen(struct ag71xx_desc *desc) +{ + return (desc->ctrl & DESC_PKTLEN_M); +} + +/* Register offsets */ +#define AG71XX_REG_MAC_CFG1 0x0000 +#define AG71XX_REG_MAC_CFG2 0x0004 +#define AG71XX_REG_MAC_IPG 0x0008 +#define AG71XX_REG_MAC_HDX 0x000c +#define AG71XX_REG_MAC_MFL 0x0010 +#define AG71XX_REG_MII_CFG 0x0020 +#define AG71XX_REG_MII_CMD 0x0024 +#define AG71XX_REG_MII_ADDR 0x0028 +#define AG71XX_REG_MII_CTRL 0x002c +#define AG71XX_REG_MII_STATUS 0x0030 +#define AG71XX_REG_MII_IND 0x0034 +#define AG71XX_REG_MAC_IFCTL 0x0038 +#define AG71XX_REG_MAC_ADDR1 0x0040 +#define AG71XX_REG_MAC_ADDR2 0x0044 +#define AG71XX_REG_FIFO_CFG0 0x0048 +#define AG71XX_REG_FIFO_CFG1 0x004c +#define AG71XX_REG_FIFO_CFG2 0x0050 +#define AG71XX_REG_FIFO_CFG3 0x0054 +#define AG71XX_REG_FIFO_CFG4 0x0058 +#define AG71XX_REG_FIFO_CFG5 0x005c +#define AG71XX_REG_FIFO_RAM0 0x0060 +#define AG71XX_REG_FIFO_RAM1 0x0064 +#define AG71XX_REG_FIFO_RAM2 0x0068 +#define AG71XX_REG_FIFO_RAM3 0x006c +#define AG71XX_REG_FIFO_RAM4 0x0070 +#define AG71XX_REG_FIFO_RAM5 0x0074 +#define AG71XX_REG_FIFO_RAM6 0x0078 +#define AG71XX_REG_FIFO_RAM7 0x007c + +#define AG71XX_REG_TX_CTRL 0x0180 +#define AG71XX_REG_TX_DESC 0x0184 +#define AG71XX_REG_TX_STATUS 0x0188 +#define AG71XX_REG_RX_CTRL 0x018c +#define AG71XX_REG_RX_DESC 0x0190 +#define AG71XX_REG_RX_STATUS 0x0194 +#define AG71XX_REG_INT_ENABLE 0x0198 +#define AG71XX_REG_INT_STATUS 0x019c + +#define MAC_CFG1_TXE BIT(0) /* Tx Enable */ +#define MAC_CFG1_STX BIT(1) /* Synchronize Tx Enable */ +#define MAC_CFG1_RXE BIT(2) /* Rx Enable */ +#define MAC_CFG1_SRX BIT(3) /* Synchronize Rx Enable */ +#define MAC_CFG1_TFC BIT(4) /* Tx Flow Control Enable */ +#define MAC_CFG1_RFC BIT(5) /* Rx Flow Control Enable */ +#define MAC_CFG1_LB BIT(8) /* Loopback mode */ +#define MAC_CFG1_SR BIT(31) /* Soft Reset */ + +#define MAC_CFG2_FDX BIT(0) +#define MAC_CFG2_CRC_EN BIT(1) +#define MAC_CFG2_PAD_CRC_EN BIT(2) +#define MAC_CFG2_LEN_CHECK BIT(4) +#define MAC_CFG2_HUGE_FRAME_EN BIT(5) +#define MAC_CFG2_IF_1000 BIT(9) +#define MAC_CFG2_IF_10_100 BIT(8) + +#define FIFO_CFG0_WTM BIT(0) /* Watermark Module */ +#define FIFO_CFG0_RXS BIT(1) /* Rx System Module */ +#define FIFO_CFG0_RXF BIT(2) /* Rx Fabric Module */ +#define FIFO_CFG0_TXS BIT(3) /* Tx System Module */ +#define FIFO_CFG0_TXF BIT(4) /* Tx Fabric Module */ +#define FIFO_CFG0_ALL (FIFO_CFG0_WTM | FIFO_CFG0_RXS | FIFO_CFG0_RXF \ + | FIFO_CFG0_TXS | FIFO_CFG0_TXF) + +#define FIFO_CFG0_ENABLE_SHIFT 8 + +#define FIFO_CFG4_DE BIT(0) /* Drop Event */ +#define FIFO_CFG4_DV BIT(1) /* RX_DV Event */ +#define FIFO_CFG4_FC BIT(2) /* False Carrier */ +#define FIFO_CFG4_CE BIT(3) /* Code Error */ +#define FIFO_CFG4_CR BIT(4) /* CRC error */ +#define FIFO_CFG4_LM BIT(5) /* Length Mismatch */ +#define FIFO_CFG4_LO BIT(6) /* Length out of range */ +#define FIFO_CFG4_OK BIT(7) /* Packet is OK */ +#define FIFO_CFG4_MC BIT(8) /* Multicast Packet */ +#define FIFO_CFG4_BC BIT(9) /* Broadcast Packet */ +#define FIFO_CFG4_DR BIT(10) /* Dribble */ +#define FIFO_CFG4_LE BIT(11) /* Long Event */ +#define FIFO_CFG4_CF BIT(12) /* Control Frame */ +#define FIFO_CFG4_PF BIT(13) /* Pause Frame */ +#define FIFO_CFG4_UO BIT(14) /* Unsupported Opcode */ +#define FIFO_CFG4_VT BIT(15) /* VLAN tag detected */ +#define FIFO_CFG4_FT BIT(16) /* Frame Truncated */ +#define FIFO_CFG4_UC BIT(17) /* Unicast Packet */ + +#define FIFO_CFG5_DE BIT(0) /* Drop Event */ +#define FIFO_CFG5_DV BIT(1) /* RX_DV Event */ +#define FIFO_CFG5_FC BIT(2) /* False Carrier */ +#define FIFO_CFG5_CE BIT(3) /* Code Error */ +#define FIFO_CFG5_LM BIT(4) /* Length Mismatch */ +#define FIFO_CFG5_LO BIT(5) /* Length Out of Range */ +#define FIFO_CFG5_OK BIT(6) /* Packet is OK */ +#define FIFO_CFG5_MC BIT(7) /* Multicast Packet */ +#define FIFO_CFG5_BC BIT(8) /* Broadcast Packet */ +#define FIFO_CFG5_DR BIT(9) /* Dribble */ +#define FIFO_CFG5_CF BIT(10) /* Control Frame */ +#define FIFO_CFG5_PF BIT(11) /* Pause Frame */ +#define FIFO_CFG5_UO BIT(12) /* Unsupported Opcode */ +#define FIFO_CFG5_VT BIT(13) /* VLAN tag detected */ +#define FIFO_CFG5_LE BIT(14) /* Long Event */ +#define FIFO_CFG5_FT BIT(15) /* Frame Truncated */ +#define FIFO_CFG5_16 BIT(16) /* unknown */ +#define FIFO_CFG5_17 BIT(17) /* unknown */ +#define FIFO_CFG5_SF BIT(18) /* Short Frame */ +#define FIFO_CFG5_BM BIT(19) /* Byte Mode */ + +#define AG71XX_INT_TX_PS BIT(0) +#define AG71XX_INT_TX_UR BIT(1) +#define AG71XX_INT_TX_BE BIT(3) +#define AG71XX_INT_RX_PR BIT(4) +#define AG71XX_INT_RX_OF BIT(6) +#define AG71XX_INT_RX_BE BIT(7) + +#define MAC_IFCTL_SPEED BIT(16) + +#define MII_CFG_CLK_DIV_4 0 +#define MII_CFG_CLK_DIV_6 2 +#define MII_CFG_CLK_DIV_8 3 +#define MII_CFG_CLK_DIV_10 4 +#define MII_CFG_CLK_DIV_14 5 +#define MII_CFG_CLK_DIV_20 6 +#define MII_CFG_CLK_DIV_28 7 +#define MII_CFG_RESET BIT(31) + +#define MII_CMD_WRITE 0x0 +#define MII_CMD_READ 0x1 +#define MII_ADDR_SHIFT 8 +#define MII_IND_BUSY BIT(0) +#define MII_IND_INVALID BIT(2) + +#define TX_CTRL_TXE BIT(0) /* Tx Enable */ + +#define TX_STATUS_PS BIT(0) /* Packet Sent */ +#define TX_STATUS_UR BIT(1) /* Tx Underrun */ +#define TX_STATUS_BE BIT(3) /* Bus Error */ + +#define RX_CTRL_RXE BIT(0) /* Rx Enable */ + +#define RX_STATUS_PR BIT(0) /* Packet Received */ +#define RX_STATUS_OF BIT(2) /* Rx Overflow */ +#define RX_STATUS_BE BIT(3) /* Bus Error */ + +#define MII_CTRL_IF_MASK 3 +#define MII_CTRL_SPEED_SHIFT 4 +#define MII_CTRL_SPEED_MASK 3 +#define MII_CTRL_SPEED_10 0 +#define MII_CTRL_SPEED_100 1 +#define MII_CTRL_SPEED_1000 2 + +static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value) +{ + __raw_writel(value, ag->mac_base + reg); + /* flush write */ + (void) __raw_readl(ag->mac_base + reg); +} + +static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg) +{ + return __raw_readl(ag->mac_base + reg); +} + +static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask) +{ + uint32_t r; + + r = ag->mac_base + reg; + __raw_writel(__raw_readl(r) | mask, r); + /* flush write */ + (void)__raw_readl(r); +} + +static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask) +{ + uint32_t r; + + r = ag->mac_base + reg; + __raw_writel(__raw_readl(r) & ~mask, r); + /* flush write */ + (void) __raw_readl(r); +} + +static inline void ag71xx_int_enable(struct ag71xx *ag, u32 ints) +{ + ag71xx_sb(ag, AG71XX_REG_INT_ENABLE, ints); +} + +static inline void ag71xx_int_disable(struct ag71xx *ag, u32 ints) +{ + ag71xx_cb(ag, AG71XX_REG_INT_ENABLE, ints); +} + +static inline void ag71xx_mii_ctrl_wr(struct ag71xx *ag, u32 value) +{ + __raw_writel(value, ag->mii_ctrl); + + /* flush write */ + __raw_readl(ag->mii_ctrl); +} + +static inline u32 ag71xx_mii_ctrl_rr(struct ag71xx *ag) +{ + return __raw_readl(ag->mii_ctrl); +} + +static void inline ag71xx_mii_ctrl_set_if(struct ag71xx *ag, + unsigned int mii_if) +{ + u32 t; + + t = ag71xx_mii_ctrl_rr(ag); + t &= ~(MII_CTRL_IF_MASK); + t |= (mii_if & MII_CTRL_IF_MASK); + ag71xx_mii_ctrl_wr(ag, t); +} + +static void inline ag71xx_mii_ctrl_set_speed(struct ag71xx *ag, + unsigned int speed) +{ + u32 t; + + t = ag71xx_mii_ctrl_rr(ag); + t &= ~(MII_CTRL_SPEED_MASK << MII_CTRL_SPEED_SHIFT); + t |= (speed & MII_CTRL_SPEED_MASK) << MII_CTRL_SPEED_SHIFT; + ag71xx_mii_ctrl_wr(ag, t); +} + +#ifdef CONFIG_AG71XX_AR8216_SUPPORT +void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb); +int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb, + int pktlen); +static inline int ag71xx_has_ar8216(struct ag71xx *ag) +{ + return ag71xx_get_pdata(ag)->has_ar8216; +} +#else +static inline void ag71xx_add_ar8216_header(struct ag71xx *ag, + struct sk_buff *skb) +{ +} + +static inline int ag71xx_remove_ar8216_header(struct ag71xx *ag, + struct sk_buff *skb, + int pktlen) +{ + return 0; +} +static inline int ag71xx_has_ar8216(struct ag71xx *ag) +{ + return 0; +} +#endif + +#endif /* _AG71XX_H */ diff --git a/package/boot/uboot-ar71xx/files/drivers/net/phy/rtl8366.h b/package/boot/uboot-ar71xx/files/drivers/net/phy/rtl8366.h new file mode 100644 index 0000000..f0567dd --- /dev/null +++ b/package/boot/uboot-ar71xx/files/drivers/net/phy/rtl8366.h @@ -0,0 +1,188 @@ +/* + * (C) Copyright 2010 + * Michael Kurz <michi.kurz@googlemail.com>. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef RTL8366_MII_H +#define RTL8366_MII_H + +#define MII_CONTROL_REG 0 +#define MII_STATUS_REG 1 +#define MII_PHY_ID0 2 +#define MII_PHY_ID1 3 +#define MII_LOCAL_CAP 4 +#define MII_REMOTE_CAP 5 +#define MII_EXT_AUTONEG 6 +#define MII_LOCAL_NEXT_PAGE 7 +#define MII_REMOTE_NEXT_PAGE 8 +#define MII_GIGA_CONTROL 9 +#define MII_GIGA_STATUS 10 +#define MII_EXT_STATUS_REG 15 + +/* Control register */ +#define MII_CONTROL_1000MBPS 6 +#define MII_CONTROL_COLL_TEST 7 +#define MII_CONTROL_FULLDUPLEX 8 +#define MII_CONTROL_RENEG 9 +#define MII_CONTROL_ISOLATE 10 +#define MII_CONTROL_POWERDOWN 11 +#define MII_CONTROL_AUTONEG 12 +#define MII_CONTROL_100MBPS 13 +#define MII_CONTROL_LOOPBACK 14 +#define MII_CONTROL_RESET 15 + +/* Status/Extended status register */ +/* Basic status */ +#define MII_STATUS_CAPABILITY 0 +#define MII_STATUS_JABBER 1 +#define MII_STATUS_LINK_UP 2 +#define MII_STATUS_AUTONEG_ABLE 3 +#define MII_STATUS_REMOTE_FAULT 4 +#define MII_STATUS_AUTONEG_DONE 5 +#define MII_STATUS_NO_PREAMBLE 6 +#define MII_STATUS_RESERVED 7 +#define MII_STATUS_EXTENDED 8 +#define MII_STATUS_100_T2_HALF 9 +#define MII_STATUS_100_T2_FULL 10 +#define MII_STATUS_10_TX_HALF 11 +#define MII_STATUS_10_TX_FULL 12 +#define MII_STATUS_100_TX_HALF 13 +#define MII_STATUS_100_TX_FULL 14 +#define MII_STATUS_100_T4 15 + +#define MII_GIGA_CONTROL_HALF 8 +#define MII_GIGA_CONTROL_FULL 9 +#define MII_GIGA_STATUS_HALF 10 +#define MII_GIGA_STATUS_FULL 11 + +/* Extended status */ +#define MII_STATUS_1000_T_HALF 12 +#define MII_STATUS_1000_T_FULL 13 +#define MII_STATUS_1000_X_HALF 14 +#define MII_STATUS_1000_X_FULL 15 + +/* Local/Remmote capability register */ +#define MII_CAP_10BASE_TX 5 +#define MII_CAP_10BASE_TX_FULL 6 +#define MII_CAP_100BASE_TX 7 +#define MII_CAP_100BASE_TX_FULL 8 +#define MII_CAP_100BASE_T4 9 +#define MII_CAP_SYMM_PAUSE 10 +#define MII_CAP_ASYMM_PAUSE 11 +#define MII_CAP_RESERVED 12 +#define MII_CAP_REMOTE_FAULT 13 +#define MII_CAP_ACKNOWLEDGE 14 +#define MII_CAP_NEXT_PAGE 15 +#define MII_CAP_IEEE_802_3 0x0001 + +#define MII_LINK_MODE_MASK 0x1f + +#define REALTEK_RTL8366_CHIP_ID0 0x001C +#define REALTEK_RTL8366_CHIP_ID1 0xC940 +#define REALTEK_RTL8366_CHIP_ID1_MP 0xC960 + +#define REALTEK_MIN_PORT_ID 0 +#define REALTEK_MAX_PORT_ID 5 +#define REALTEK_MIN_PHY_ID REALTEK_MIN_PORT_ID +#define REALTEK_MAX_PHY_ID 4 +#define REALTEK_CPU_PORT_ID REALTEK_MAX_PORT_ID +#define REALTEK_PHY_PORT_MASK ((1<<(REALTEK_MAX_PHY_ID+1)) - (1<<REALTEK_MIN_PHY_ID)) +#define REALTEK_CPU_PORT_MASK (1<<REALTEK_CPU_PORT_ID) +#define REALTEK_ALL_PORT_MASK (REALTEK_PHY_PORT_MASK | REALTEK_CPU_PORT_MASK) + +/* port ability */ +#define RTL8366S_PORT_ABILITY_BASE 0x0011 + +/* port vlan control register */ +#define RTL8366S_PORT_VLAN_CTRL_BASE 0x0058 + +/* port linking status */ +#define RTL8366S_PORT_LINK_STATUS_BASE 0x0060 +#define RTL8366S_PORT_STATUS_SPEED_BIT 0 +#define RTL8366S_PORT_STATUS_SPEED_MSK 0x0003 +#define RTL8366S_PORT_STATUS_DUPLEX_BIT 2 +#define RTL8366S_PORT_STATUS_DUPLEX_MSK 0x0004 +#define RTL8366S_PORT_STATUS_LINK_BIT 4 +#define RTL8366S_PORT_STATUS_LINK_MSK 0x0010 +#define RTL8366S_PORT_STATUS_TXPAUSE_BIT 5 +#define RTL8366S_PORT_STATUS_TXPAUSE_MSK 0x0020 +#define RTL8366S_PORT_STATUS_RXPAUSE_BIT 6 +#define RTL8366S_PORT_STATUS_RXPAUSE_MSK 0x0040 +#define RTL8366S_PORT_STATUS_AN_BIT 7 +#define RTL8366S_PORT_STATUS_AN_MSK 0x0080 + +/* internal control */ +#define RTL8366S_RESET_CONTROL_REG 0x0100 +#define RTL8366S_RESET_QUEUE_BIT 2 + +#define RTL8366S_CHIP_ID_REG 0x0105 + +/* MAC control */ +#define RTL8366S_MAC_FORCE_CTRL0_REG 0x0F04 +#define RTL8366S_MAC_FORCE_CTRL1_REG 0x0F05 + + +/* PHY registers control */ +#define RTL8366S_PHY_ACCESS_CTRL_REG 0x8028 +#define RTL8366S_PHY_ACCESS_DATA_REG 0x8029 + +#define RTL8366S_PHY_CTRL_READ 1 +#define RTL8366S_PHY_CTRL_WRITE 0 + +#define RTL8366S_PHY_REG_MASK 0x1F +#define RTL8366S_PHY_PAGE_OFFSET 5 +#define RTL8366S_PHY_PAGE_MASK (0x7<<5) +#define RTL8366S_PHY_NO_OFFSET 9 +#define RTL8366S_PHY_NO_MASK (0x1F<<9) + +#define RTL8366S_PHY_NO_MAX 4 +#define RTL8366S_PHY_PAGE_MAX 7 +#define RTL8366S_PHY_ADDR_MAX 31 + +/* cpu port control reg */ +#define RTL8366S_CPU_CTRL_REG 0x004F +#define RTL8366S_CPU_DRP_BIT 14 +#define RTL8366S_CPU_DRP_MSK 0x4000 +#define RTL8366S_CPU_INSTAG_BIT 15 +#define RTL8366S_CPU_INSTAG_MSK 0x8000 + +/* LED registers*/ +#define RTL8366S_LED_BLINK_REG 0x420 +#define RTL8366S_LED_BLINKRATE_BIT 0 +#define RTL8366S_LED_BLINKRATE_MSK 0x0007 +#define RTL8366S_LED_INDICATED_CONF_REG 0x421 +#define RTL8366S_LED_0_1_FORCE_REG 0x422 +#define RTL8366S_LED_2_3_FORCE_REG 0x423 +#define RTL8366S_LEDCONF_LEDFORCE 0x1F +#define RTL8366S_LED_GROUP_MAX 4 + +#define RTL8366S_GREEN_FEATURE_REG 0x000A +#define RTL8366S_GREEN_FEATURE_TX_BIT 3 +#define RTL8366S_GREEN_FEATURE_TX_MSK 0x0008 +#define RTL8366S_GREEN_FEATURE_RX_BIT 4 +#define RTL8366S_GREEN_FEATURE_RX_MSK 0x0010 + +#define RTL8366S_MODEL_ID_REG 0x5C +#define RTL8366S_REV_ID_REG 0x5D +#define RTL8366S_MODEL_8366SR 0x6027 +#define RTL8366S_MODEL_8366RB 0x5937 + +#endif diff --git a/package/boot/uboot-ar71xx/files/drivers/net/phy/rtl8366_mii.c b/package/boot/uboot-ar71xx/files/drivers/net/phy/rtl8366_mii.c new file mode 100644 index 0000000..e3c5316 --- /dev/null +++ b/package/boot/uboot-ar71xx/files/drivers/net/phy/rtl8366_mii.c @@ -0,0 +1,786 @@ +/* + * (C) Copyright 2010 + * Michael Kurz <michi.kurz@googlemail.com>. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#include <common.h> +#include <net.h> +#include <netdev.h> +#include <miiphy.h> +#include MII_GPIOINCLUDE + +#include "rtl8366.h" + +#ifdef DEBUG_RTL8366 + #define DBG(fmt,args...) printf (fmt ,##args) +#else + #define DBG(fmt,args...) +#endif + + +//------------------------------------------------------------------- +// Soft SMI functions +//------------------------------------------------------------------- + +#define DELAY 2 + +static void smi_init(void) +{ + MII_SDAINPUT; + MII_SCKINPUT; + + MII_SETSDA(1); + MII_SETSCK(1); + + udelay(20); +} + +static void smi_start(void) +{ +/* + * rtl8366 chip needs a extra clock with + * SDA high before start condition + */ + + /* set gpio pins output */ + MII_SDAOUTPUT; + MII_SCKOUTPUT; + udelay(DELAY); + + /* set initial state: SCK:0, SDA:1 */ + MII_SETSCK(0); + MII_SETSDA(1); + udelay(DELAY); + + /* toggle clock */ + MII_SETSCK(1); + udelay(DELAY); + MII_SETSCK(0); + udelay(DELAY); + + /* start condition */ + MII_SETSCK(1); + udelay(DELAY); + MII_SETSDA(0); + udelay(DELAY); + MII_SETSCK(0); + udelay(DELAY); + MII_SETSDA(1); +} + +static void smi_stop(void) +{ +/* + * rtl8366 chip needs a extra clock with + * SDA high after stop condition + */ + + /* stop condition */ + udelay(DELAY); + MII_SETSDA(0); + MII_SETSCK(1); + udelay(DELAY); + MII_SETSDA(1); + udelay(DELAY); + MII_SETSCK(1); + udelay(DELAY); + MII_SETSCK(0); + udelay(DELAY); + + /* toggle clock */ + MII_SETSCK(1); + udelay(DELAY); + MII_SETSCK(0); + udelay(DELAY); + MII_SETSCK(1); + + /* set gpio pins input */ + MII_SDAINPUT; + MII_SCKINPUT; +} + +static void smi_writeBits(uint32_t data, uint8_t length) +{ + uint8_t test; + + for( ; length > 0; length--) { + udelay(DELAY); + + /* output data */ + test = (((data & (1 << (length - 1))) != 0) ? 1 : 0); + MII_SETSDA(test); + udelay(DELAY); + + /* toogle clock */ + MII_SETSCK(1); + udelay(DELAY); + MII_SETSCK(0); + } +} + +static uint32_t smi_readBits(uint8_t length) +{ + uint32_t ret; + + MII_SDAINPUT; + + for(ret = 0 ; length > 0; length--) { + udelay(DELAY); + + ret <<= 1; + + /* toogle clock */ + MII_SETSCK(1); + udelay(DELAY); + ret |= MII_GETSDA; + MII_SETSCK(0); + } + + MII_SDAOUTPUT; + + return ret; +} + +static int smi_waitAck(void) +{ + uint32_t retry = 0; + + while (smi_readBits(1)) { + if (retry++ == 5) + return -1; + } + + return 0; + +} + +static int smi_read(uint32_t reg, uint32_t *data) +{ + uint32_t rawData; + + /* send start condition */ + smi_start(); + /* send CTRL1 code: 0b1010*/ + smi_writeBits(0x0a, 4); + /* send CTRL2 code: 0b100 */ + smi_writeBits(0x04, 3); + /* send READ command */ + smi_writeBits(0x01, 1); + + /* wait for ACK */ + if (smi_waitAck()) + return -1; + + /* send address low */ + smi_writeBits(reg & 0xFF, 8); + /* wait for ACK */ + if (smi_waitAck()) + return -1; + /* send address high */ + smi_writeBits((reg & 0xFF00) >> 8, 8); + /* wait for ACK */ + if (smi_waitAck()) + return -1; + + /* read data low */ + rawData = (smi_readBits(8) & 0xFF); + /* send ACK */ + smi_writeBits(0, 1); + /* read data high */ + rawData |= (smi_readBits(8) & 0xFF) << 8; + /* send NACK */ + smi_writeBits(1, 1); + + /* send stop condition */ + smi_stop(); + + if (data) + *data = rawData; + + return 0; +} + +static int smi_write(uint32_t reg, uint32_t data) +{ + /* send start condition */ + smi_start(); + /* send CTRL1 code: 0b1010*/ + smi_writeBits(0x0a, 4); + /* send CTRL2 code: 0b100 */ + smi_writeBits(0x04, 3); + /* send WRITE command */ + smi_writeBits(0x00, 1); + + /* wait for ACK */ + if (smi_waitAck()) + return -1; + + /* send address low */ + smi_writeBits(reg & 0xFF, 8); + /* wait for ACK */ + if (smi_waitAck()) + return -1; + /* send address high */ + smi_writeBits((reg & 0xFF00) >> 8, 8); + /* wait for ACK */ + if (smi_waitAck()) + return -1; + + /* send data low */ + smi_writeBits(data & 0xFF, 8); + /* wait for ACK */ + if (smi_waitAck()) + return -1; + /* send data high */ + smi_writeBits((data & 0xFF00) >> 8, 8); + /* wait for ACK */ + if (smi_waitAck()) + return -1; + + /* send stop condition */ + smi_stop(); + + return 0; +} + + +//------------------------------------------------------------------- +// Switch register read / write functions +//------------------------------------------------------------------- +static int rtl8366_readRegister(uint32_t reg, uint16_t *data) +{ + uint32_t regData; + + DBG("rtl8366: read register=%#04x, data=", reg); + + if (smi_read(reg, ®Data)) { + printf("\nrtl8366 smi read failed!\n"); + return -1; + } + + if (data) + *data = regData; + + DBG("%#04x\n", regData); + + return 0; +} + +static int rtl8366_writeRegister(uint32_t reg, uint16_t data) +{ + DBG("rtl8366: write register=%#04x, data=%#04x\n", reg, data); + + if (smi_write(reg, data)) { + printf("rtl8366 smi write failed!\n"); + return -1; + } + + return 0; +} + +static int rtl8366_setRegisterBit(uint32_t reg, uint32_t bitNum, uint32_t value) +{ + uint16_t regData; + + if (bitNum >= 16) + return -1; + + if (rtl8366_readRegister(reg, ®Data)) + return -1; + + if (value) + regData |= (1 << bitNum); + else + regData &= ~(1 << bitNum); + + if (rtl8366_writeRegister(reg, regData)) + return -1; + + return 0; +} + +//------------------------------------------------------------------- +// MII PHY read / write functions +//------------------------------------------------------------------- +static int rtl8366_getPhyReg(uint32_t phyNum, uint32_t reg, uint16_t *data) +{ + uint16_t phyAddr, regData; + + if (phyNum > RTL8366S_PHY_NO_MAX) { + printf("rtl8366s: invalid phy number!\n"); + return -1; + } + + if (phyNum > RTL8366S_PHY_ADDR_MAX) { + printf("rtl8366s: invalid phy register number!\n"); + return -1; + } + + if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, + RTL8366S_PHY_CTRL_READ)) + return -1; + + phyAddr = 0x8000 | (1 << (phyNum + RTL8366S_PHY_NO_OFFSET)) + | (reg & RTL8366S_PHY_REG_MASK); + if (rtl8366_writeRegister(phyAddr, 0)) + return -1; + + if (rtl8366_readRegister(RTL8366S_PHY_ACCESS_DATA_REG, ®Data)) + return -1; + + if (data) + *data = regData; + + return 0; +} + +static int rtl8366_setPhyReg(uint32_t phyNum, uint32_t reg, uint16_t data) +{ + uint16_t phyAddr; + + if (phyNum > RTL8366S_PHY_NO_MAX) { + printf("rtl8366s: invalid phy number!\n"); + return -1; + } + + if (phyNum > RTL8366S_PHY_ADDR_MAX) { + printf("rtl8366s: invalid phy register number!\n"); + return -1; + } + + if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, + RTL8366S_PHY_CTRL_WRITE)) + return -1; + + phyAddr = 0x8000 | (1 << (phyNum + RTL8366S_PHY_NO_OFFSET)) + | (reg & RTL8366S_PHY_REG_MASK); + if (rtl8366_writeRegister(phyAddr, data)) + return -1; + + return 0; +} + +static int rtl8366_miiread(char *devname, uchar phy_adr, uchar reg, ushort *data) +{ + uint16_t regData; + + DBG("rtl8366_miiread: devname=%s, addr=%#02x, reg=%#02x\n", + devname, phy_adr, reg); + + if (strcmp(devname, RTL8366_DEVNAME) != 0) + return -1; + + if (rtl8366_getPhyReg(phy_adr, reg, ®Data)) { + printf("rtl8366_miiread: write failed!\n"); + return -1; + } + + if (data) + *data = regData; + + return 0; +} + +static int rtl8366_miiwrite(char *devname, uchar phy_adr, uchar reg, ushort data) +{ + DBG("rtl8366_miiwrite: devname=%s, addr=%#02x, reg=%#02x, data=%#04x\n", + devname, phy_adr, reg, data); + + if (strcmp(devname, RTL8366_DEVNAME) != 0) + return -1; + + if (rtl8366_setPhyReg(phy_adr, reg, data)) { + printf("rtl8366_miiwrite: write failed!\n"); + return -1; + } + + return 0; +} + +int rtl8366_mii_register(bd_t *bis) +{ + miiphy_register(strdup(RTL8366_DEVNAME), rtl8366_miiread, + rtl8366_miiwrite); + + return 0; +} + + +//------------------------------------------------------------------- +// Switch management functions +//------------------------------------------------------------------- + +int rtl8366s_setGreenFeature(uint32_t tx, uint32_t rx) +{ + if (rtl8366_setRegisterBit(RTL8366S_GREEN_FEATURE_REG, + RTL8366S_GREEN_FEATURE_TX_BIT, tx)) + return -1; + + if (rtl8366_setRegisterBit(RTL8366S_GREEN_FEATURE_REG, + RTL8366S_GREEN_FEATURE_RX_BIT, rx)) + return -1; + + return 0; +} + +int rtl8366s_setPowerSaving(uint32_t phyNum, uint32_t enabled) +{ + uint16_t regData; + + if (phyNum > RTL8366S_PHY_NO_MAX) + return -1; + + if (rtl8366_getPhyReg(phyNum, 12, ®Data)) + return -1; + + if (enabled) + regData |= (1 << 12); + else + regData &= ~(1 << 12); + + if (rtl8366_setPhyReg(phyNum, 12, regData)) + return -1; + + return 0; +} + +int rtl8366s_setGreenEthernet(uint32_t greenFeature, uint32_t powerSaving) +{ + uint32_t phyNum, i; + uint16_t regData; + + const uint16_t greenSettings[][2] = + { + {0xBE5B,0x3500}, + {0xBE5C,0xB975}, + {0xBE5D,0xB9B9}, + {0xBE77,0xA500}, + {0xBE78,0x5A78}, + {0xBE79,0x6478} + }; + + if (rtl8366_readRegister(RTL8366S_MODEL_ID_REG, ®Data)) + return -1; + + switch (regData) + { + case 0x0000: + for (i = 0; i < 6; i++) { + if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, RTL8366S_PHY_CTRL_WRITE)) + return -1; + if (rtl8366_writeRegister(greenSettings[i][0], greenSettings[i][1])) + return -1; + } + break; + + case RTL8366S_MODEL_8366SR: + if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, RTL8366S_PHY_CTRL_WRITE)) + return -1; + if (rtl8366_writeRegister(greenSettings[0][0], greenSettings[0][1])) + return -1; + break; + + default: + printf("rtl8366s_initChip: unsupported chip found!\n"); + return -1; + } + + if (rtl8366s_setGreenFeature(greenFeature, powerSaving)) + return -1; + + for (phyNum = 0; phyNum <= RTL8366S_PHY_NO_MAX; phyNum++) { + if (rtl8366s_setPowerSaving(phyNum, powerSaving)) + return -1; + } + + return 0; +} + +int rtl8366s_setCPUPortMask(uint8_t port, uint32_t enabled) +{ + if(port >= 6){ + printf("rtl8366s_setCPUPortMask: invalid port number\n"); + return -1; + } + + return rtl8366_setRegisterBit(RTL8366S_CPU_CTRL_REG, port, enabled); +} + +int rtl8366s_setCPUDisableInsTag(uint32_t enable) +{ + return rtl8366_setRegisterBit(RTL8366S_CPU_CTRL_REG, + RTL8366S_CPU_INSTAG_BIT, enable); +} + +int rtl8366s_setCPUDropUnda(uint32_t enable) +{ + return rtl8366_setRegisterBit(RTL8366S_CPU_CTRL_REG, + RTL8366S_CPU_DRP_BIT, enable); +} + +int rtl8366s_setCPUPort(uint8_t port, uint32_t noTag, uint32_t dropUnda) +{ + uint32_t i; + + if(port >= 6){ + printf("rtl8366s_setCPUPort: invalid port number\n"); + return -1; + } + + /* reset register */ + for(i = 0; i < 6; i++) + { + if(rtl8366s_setCPUPortMask(i, 0)){ + printf("rtl8366s_setCPUPort: rtl8366s_setCPUPortMask failed\n"); + return -1; + } + } + + if(rtl8366s_setCPUPortMask(port, 1)){ + printf("rtl8366s_setCPUPort: rtl8366s_setCPUPortMask failed\n"); + return -1; + } + + if(rtl8366s_setCPUDisableInsTag(noTag)){ + printf("rtl8366s_setCPUPort: rtl8366s_setCPUDisableInsTag fail\n"); + return -1; + } + + if(rtl8366s_setCPUDropUnda(dropUnda)){ + printf("rtl8366s_setCPUPort: rtl8366s_setCPUDropUnda fail\n"); + return -1; + } + + return 0; +} + +int rtl8366s_setLedConfig(uint32_t ledNum, uint8_t config) +{ + uint16_t regData; + + if(ledNum >= RTL8366S_LED_GROUP_MAX) { + DBG("rtl8366s_setLedConfig: invalid led group\n"); + return -1; + } + + if(config > RTL8366S_LEDCONF_LEDFORCE) { + DBG("rtl8366s_setLedConfig: invalid led config\n"); + return -1; + } + + if (rtl8366_readRegister(RTL8366S_LED_INDICATED_CONF_REG, ®Data)) { + printf("rtl8366s_setLedConfig: failed to get led register!\n"); + return -1; + } + + regData &= ~(0xF << (ledNum * 4)); + regData |= config << (ledNum * 4); + + if (rtl8366_writeRegister(RTL8366S_LED_INDICATED_CONF_REG, regData)) { + printf("rtl8366s_setLedConfig: failed to set led register!\n"); + return -1; + } + + return 0; +} + +int rtl8366s_getLedConfig(uint32_t ledNum, uint8_t *config) +{ + uint16_t regData; + + if(ledNum >= RTL8366S_LED_GROUP_MAX) { + DBG("rtl8366s_getLedConfig: invalid led group\n"); + return -1; + } + + if (rtl8366_readRegister(RTL8366S_LED_INDICATED_CONF_REG, ®Data)) { + printf("rtl8366s_getLedConfig: failed to get led register!\n"); + return -1; + } + + if (config) + *config = (regData >> (ledNum * 4)) & 0xF; + + return 0; +} + +int rtl8366s_setLedForceValue(uint32_t group0, uint32_t group1, + uint32_t group2, uint32_t group3) +{ + uint16_t regData; + + regData = (group0 & 0x3F) | ((group1 & 0x3F) << 6); + if (rtl8366_writeRegister(RTL8366S_LED_0_1_FORCE_REG, regData)) { + printf("rtl8366s_setLedForceValue: failed to set led register!\n"); + return -1; + } + + regData = (group2 & 0x3F) | ((group3 & 0x3F) << 6); + if (rtl8366_writeRegister(RTL8366S_LED_2_3_FORCE_REG, regData)) { + printf("rtl8366s_setLedForceValue: failed to set led register!\n"); + return -1; + } + + return 0; +} + +int rtl8366s_initChip(void) +{ + uint32_t ledGroup, i = 0; + uint16_t regData; + uint8_t ledData[RTL8366S_LED_GROUP_MAX]; + const uint16_t (*chipData)[2]; + + const uint16_t chipB[][2] = + { + {0x0000, 0x0038},{0x8100, 0x1B37},{0xBE2E, 0x7B9F},{0xBE2B, 0xA4C8}, + {0xBE74, 0xAD14},{0xBE2C, 0xDC00},{0xBE69, 0xD20F},{0xBE3B, 0xB414}, + {0xBE24, 0x0000},{0xBE23, 0x00A1},{0xBE22, 0x0008},{0xBE21, 0x0120}, + {0xBE20, 0x1000},{0xBE24, 0x0800},{0xBE24, 0x0000},{0xBE24, 0xF000}, + {0xBE23, 0xDF01},{0xBE22, 0xDF20},{0xBE21, 0x101A},{0xBE20, 0xA0FF}, + {0xBE24, 0xF800},{0xBE24, 0xF000},{0x0242, 0x02BF},{0x0245, 0x02BF}, + {0x0248, 0x02BF},{0x024B, 0x02BF},{0x024E, 0x02BF},{0x0251, 0x02BF}, + {0x0230, 0x0A32},{0x0233, 0x0A32},{0x0236, 0x0A32},{0x0239, 0x0A32}, + {0x023C, 0x0A32},{0x023F, 0x0A32},{0x0254, 0x0A3F},{0x0255, 0x0064}, + {0x0256, 0x0A3F},{0x0257, 0x0064},{0x0258, 0x0A3F},{0x0259, 0x0064}, + {0x025A, 0x0A3F},{0x025B, 0x0064},{0x025C, 0x0A3F},{0x025D, 0x0064}, + {0x025E, 0x0A3F},{0x025F, 0x0064},{0x0260, 0x0178},{0x0261, 0x01F4}, + {0x0262, 0x0320},{0x0263, 0x0014},{0x021D, 0x9249},{0x021E, 0x0000}, + {0x0100, 0x0004},{0xBE4A, 0xA0B4},{0xBE40, 0x9C00},{0xBE41, 0x501D}, + {0xBE48, 0x3602},{0xBE47, 0x8051},{0xBE4C, 0x6465},{0x8000, 0x1F00}, + {0x8001, 0x000C},{0x8008, 0x0000},{0x8007, 0x0000},{0x800C, 0x00A5}, + {0x8101, 0x02BC},{0xBE53, 0x0005},{0x8E45, 0xAFE8},{0x8013, 0x0005}, + {0xBE4B, 0x6700},{0x800B, 0x7000},{0xBE09, 0x0E00}, + {0xFFFF, 0xABCD} + }; + + const uint16_t chipDefault[][2] = + { + {0x0242, 0x02BF},{0x0245, 0x02BF},{0x0248, 0x02BF},{0x024B, 0x02BF}, + {0x024E, 0x02BF},{0x0251, 0x02BF}, + {0x0254, 0x0A3F},{0x0256, 0x0A3F},{0x0258, 0x0A3F},{0x025A, 0x0A3F}, + {0x025C, 0x0A3F},{0x025E, 0x0A3F}, + {0x0263, 0x007C},{0x0100, 0x0004}, + {0xBE5B, 0x3500},{0x800E, 0x200F},{0xBE1D, 0x0F00},{0x8001, 0x5011}, + {0x800A, 0xA2F4},{0x800B, 0x17A3},{0xBE4B, 0x17A3},{0xBE41, 0x5011}, + {0xBE17, 0x2100},{0x8000, 0x8304},{0xBE40, 0x8304},{0xBE4A, 0xA2F4}, + {0x800C, 0xA8D5},{0x8014, 0x5500},{0x8015, 0x0004},{0xBE4C, 0xA8D5}, + {0xBE59, 0x0008},{0xBE09, 0x0E00},{0xBE36, 0x1036},{0xBE37, 0x1036}, + {0x800D, 0x00FF},{0xBE4D, 0x00FF}, + {0xFFFF, 0xABCD} + }; + + DBG("rtl8366s_initChip\n"); + + /* save current led config and set to led force */ + for (ledGroup = 0; ledGroup < RTL8366S_LED_GROUP_MAX; ledGroup++) { + if (rtl8366s_getLedConfig(ledGroup, &ledData[ledGroup])) + return -1; + + if (rtl8366s_setLedConfig(ledGroup, RTL8366S_LEDCONF_LEDFORCE)) + return -1; + } + + if (rtl8366s_setLedForceValue(0,0,0,0)) + return -1; + + if (rtl8366_readRegister(RTL8366S_MODEL_ID_REG, ®Data)) + return -1; + + switch (regData) + { + case 0x0000: + chipData = chipB; + break; + + case RTL8366S_MODEL_8366SR: + chipData = chipDefault; + break; + + default: + printf("rtl8366s_initChip: unsupported chip found!\n"); + return -1; + } + + DBG("rtl8366s_initChip: found %x chip\n", regData); + + while ((chipData[i][0] != 0xFFFF) && (chipData[i][1] != 0xABCD)) { + + /* phy settings*/ + if ((chipData[i][0] & 0xBE00) == 0xBE00) { + if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, + RTL8366S_PHY_CTRL_WRITE)) + return -1; + } + + if (rtl8366_writeRegister(chipData[i][0], chipData[i][1])) + return -1; + + i++; + } + + /* chip needs some time */ + udelay(100 * 1000); + + /* restore led config */ + for (ledGroup = 0; ledGroup < RTL8366S_LED_GROUP_MAX; ledGroup++) { + if (rtl8366s_setLedConfig(ledGroup, ledData[ledGroup])) + return -1; + } + + return 0; +} + +int rtl8366s_initialize(void) +{ + uint16_t regData; + + DBG("rtl8366s_initialize: start setup\n"); + + smi_init(); + + rtl8366_readRegister(RTL8366S_CHIP_ID_REG, ®Data); + DBG("Realtek 8366SR switch ID %#04x\n", regData); + + if (regData != 0x8366) { + printf("rtl8366s_initialize: found unsupported switch\n"); + return -1; + } + + if (rtl8366s_initChip()) { + printf("rtl8366s_initialize: init chip failed\n"); + return -1; + } + + if (rtl8366s_setGreenEthernet(1, 1)) { + printf("rtl8366s_initialize: set green ethernet failed\n"); + return -1; + } + + /* Set port 5 noTag and don't dropUnda */ + if (rtl8366s_setCPUPort(5, 1, 0)) { + printf("rtl8366s_initialize: set CPU port failed\n"); + return -1; + } + + return 0; +} diff --git a/package/boot/uboot-ar71xx/files/drivers/spi/ar71xx_spi.c b/package/boot/uboot-ar71xx/files/drivers/spi/ar71xx_spi.c new file mode 100644 index 0000000..bbe27b1 --- /dev/null +++ b/package/boot/uboot-ar71xx/files/drivers/spi/ar71xx_spi.c @@ -0,0 +1,191 @@ +/* + * (C) Copyright 2010 + * Michael Kurz <michi.kurz@googlemail.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <malloc.h> +#include <spi.h> + +#include <asm/addrspace.h> +#include <asm/types.h> +#include <asm/ar71xx.h> + +/*----------------------------------------------------------------------- + * Definitions + */ + +#ifdef DEBUG_SPI +#define PRINTD(fmt,args...) printf (fmt ,##args) +#else +#define PRINTD(fmt,args...) +#endif + +struct ar71xx_spi_slave { + struct spi_slave slave; + unsigned int mode; +}; + +static inline struct ar71xx_spi_slave *to_ar71xx_spi(struct spi_slave *slave) +{ + return container_of(slave, struct ar71xx_spi_slave, slave); +} + +/*=====================================================================*/ +/* Public Functions */ +/*=====================================================================*/ + +/*----------------------------------------------------------------------- + * Initialization + */ + +void spi_init() +{ + PRINTD("ar71xx_spi: spi_init"); + + // Init SPI Hardware, disable remap, set clock + __raw_writel(0x43, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_CTRL)); + + PRINTD(" ---> out\n"); +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + struct ar71xx_spi_slave *ss; + + PRINTD("ar71xx_spi: spi_setup_slave"); + + if ((bus != 0) || (cs > 2)) + return NULL; + + ss = malloc(sizeof(struct ar71xx_spi_slave)); + if (!ss) + return NULL; + + ss->slave.bus = bus; + ss->slave.cs = cs; + ss->mode = mode; + + /* TODO: Use max_hz to limit the SCK rate */ + + PRINTD(" ---> out\n"); + + return &ss->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + struct ar71xx_spi_slave *ss = to_ar71xx_spi(slave); + + free(ss); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) +{ + struct ar71xx_spi_slave *ss = to_ar71xx_spi(slave); + uint8_t *rx = din; + const uint8_t *tx = dout; + uint8_t curbyte, curbitlen, restbits; + uint32_t bytes = bitlen / 8; + uint32_t out; + uint32_t in; + + PRINTD("ar71xx_spi: spi_xfer: slave:%p bitlen:%08x dout:%p din:%p flags:%08x\n", slave, bitlen, dout, din, flags); + + if (flags & SPI_XFER_BEGIN) { + __raw_writel(SPI_FS_GPIO, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_FS)); + __raw_writel(SPI_IOC_CS_ALL, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_IOC)); + } + + restbits = (bitlen % 8); + if (restbits != 0) + bytes++; + + // enable chip select + out = SPI_IOC_CS_ALL & ~(SPI_IOC_CS(slave->cs)); + + while (bytes--) { + + curbyte = 0; + if (tx) { + curbyte = *tx++; + } + + if (restbits != 0) { + curbitlen = restbits; + curbyte <<= 8 - restbits; + } else { + curbitlen = 8; + } + + PRINTD("ar71xx_spi: sending: data:%02x length:%d\n", curbyte, curbitlen); + + /* clock starts at inactive polarity */ + for (curbyte <<= (8 - curbitlen); curbitlen; curbitlen--) { + + if (curbyte & (1 << 7)) + out |= SPI_IOC_DO; + else + out &= ~(SPI_IOC_DO); + + /* setup MSB (to slave) on trailing edge */ + __raw_writel(out, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_IOC)); + + __raw_writel(out | SPI_IOC_CLK, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_IOC)); + + curbyte <<= 1; + } + + in = __raw_readl(KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_RDS)); + PRINTD("ar71xx_spi: received:%02x\n", in); + + if (rx) { + if (restbits == 0) { + *rx++ = in; + } else { + *rx++ = (in << (8 - restbits)); + } + } + } + + if (flags & SPI_XFER_END) { + __raw_writel(SPI_IOC_CS(slave->cs), KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_IOC)); + __raw_writel(SPI_IOC_CS_ALL, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_IOC)); + __raw_writel(0, KSEG1ADDR(AR71XX_SPI_BASE + SPI_REG_FS)); + } + + PRINTD(" ---> out\n"); + + return 0; +} |