* [U-Boot] [PATCH 2/3][v2] dnet: driver for Dave DNET ethernet controller
2009-02-05 3:32 [U-Boot] [PATCH 0/3][v2] qong: support for Dave/DENX QongEVB-LITE Ilya Yanok
2009-02-05 3:32 ` [U-Boot] [PATCH 1/3][v2] mx31: add GPIO registers definitions Ilya Yanok
@ 2009-02-05 3:32 ` Ilya Yanok
2009-02-05 21:25 ` Jean-Christophe PLAGNIOL-VILLARD
2009-02-05 3:32 ` [U-Boot] [PATCH 3/3][v2] qong: support for Dave/DENX QongEVB-LITE board Ilya Yanok
2 siblings, 1 reply; 7+ messages in thread
From: Ilya Yanok @ 2009-02-05 3:32 UTC (permalink / raw)
To: u-boot
Driver for Dave DNET ethernet controller (used on Dave/DENX
QongEVB-LITE board).
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
---
drivers/net/Makefile | 2 +
drivers/net/dnet.c | 394 ++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/net/dnet.h | 166 +++++++++++++++++++++
include/netdev.h | 1 +
4 files changed, 563 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/dnet.c
create mode 100644 drivers/net/dnet.h
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 128dc11..10e3c6d 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -33,6 +33,7 @@ COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o
COBJS-$(CONFIG_DRIVER_CS8900) += cs8900.o
COBJS-$(CONFIG_TULIP) += dc2114x.o
COBJS-$(CONFIG_DRIVER_DM9000) += dm9000x.o
+COBJS-$(CONFIG_DNET) += dnet.o
COBJS-$(CONFIG_E1000) += e1000.o
COBJS-$(CONFIG_EEPRO100) += eepro100.o
COBJS-$(CONFIG_ENC28J60) += enc28j60.o
@@ -69,6 +70,7 @@ COBJS-$(CONFIG_ULI526X) += uli526x.o
COBJS-$(CONFIG_VSC7385_ENET) += vsc7385.o
COBJS-$(CONFIG_XILINX_EMAC) += xilinx_emac.o
COBJS-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o
+COBJS-$(CONFIG_SH_ETHER) += sh_eth.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c
new file mode 100644
index 0000000..e7cd716
--- /dev/null
+++ b/drivers/net/dnet.c
@@ -0,0 +1,394 @@
+/*
+ * Dave Ethernet Controller driver
+ *
+ * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
+ *
+ * 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>
+
+#define CFG_DNET_AUTONEG_TIMEOUT 5000000
+
+#include <net.h>
+#include <malloc.h>
+#include <linux/mii.h>
+
+#include <miiphy.h>
+#include <asm/io.h>
+
+#include "dnet.h"
+
+struct dnet_device {
+ struct dnet_registers *regs;
+ const struct device *dev;
+ struct eth_device netdev;
+ unsigned short phy_addr;
+};
+
+/* get struct dnet_device from given struct netdev */
+#define to_dnet(_nd) container_of(_nd, struct dnet_device, netdev)
+
+/* function for reading internal MAC register */
+u16 dnet_readw_mac(struct dnet_device *dnet, u16 reg)
+{
+ u16 data_read;
+
+ /* issue a read */
+ writel(reg, &dnet->regs->MACREG_ADDR);
+
+ /* since a read/write op to the MAC is very slow,
+ * we must wait before reading the data */
+ udelay(1);
+
+ /* read data read from the MAC register */
+ data_read = readl(&dnet->regs->MACREG_DATA);
+
+ /* all done */
+ return data_read;
+}
+
+/* function for writing internal MAC register */
+void dnet_writew_mac(struct dnet_device *dnet, u16 reg, u16 val)
+{
+ /* load data to write */
+ writel(val, &dnet->regs->MACREG_DATA);
+
+ /* issue a write */
+ writel(reg | DNET_INTERNAL_WRITE, &dnet->regs->MACREG_ADDR);
+
+ /* since a read/write op to the MAC is very slow,
+ * we must wait before exiting */
+ udelay(1);
+}
+
+static void dnet_mdio_write(struct dnet_device *dnet, u8 reg, u16 value)
+{
+ u16 tmp;
+
+ debug(DRIVERNAME "dnet_mdio_write %02x:%02x <- %04x\n",
+ dnet->phy_addr, reg, value);
+
+ while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
+ DNET_INTERNAL_GMII_MNG_CMD_FIN))
+ ;
+
+ /* prepare for a write operation */
+ tmp = (1 << 13);
+
+ /* only 5 bits allowed for register offset */
+ reg &= 0x1f;
+
+ /* prepare reg_value for a write */
+ tmp |= (dnet->phy_addr << 8);
+ tmp |= reg;
+
+ /* write data to write first */
+ dnet_writew_mac(dnet, DNET_INTERNAL_GMII_MNG_DAT_REG, value);
+
+ /* write control word */
+ dnet_writew_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG, tmp);
+
+ while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
+ DNET_INTERNAL_GMII_MNG_CMD_FIN))
+ ;
+}
+
+static u16 dnet_mdio_read(struct dnet_device *dnet, u8 reg)
+{
+ u16 value;
+
+ while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
+ DNET_INTERNAL_GMII_MNG_CMD_FIN))
+ ;
+
+ /* only 5 bits allowed for register offset*/
+ reg &= 0x1f;
+
+ /* prepare reg_value for a read */
+ value = (dnet->phy_addr << 8);
+ value |= reg;
+
+ /* write control word */
+ dnet_writew_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG, value);
+
+ /* wait for end of transfer */
+ while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
+ DNET_INTERNAL_GMII_MNG_CMD_FIN))
+ ;
+
+ value = dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_DAT_REG);
+
+ debug(DRIVERNAME "dnet_mdio_read %02x:%02x <- %04x\n",
+ dnet->phy_addr, reg, value);
+
+ return value;
+}
+
+static int dnet_send(struct eth_device *netdev, volatile void *packet,
+ int length)
+{
+ struct dnet_device *dnet = to_dnet(netdev);
+ int i, len, wrsz;
+ unsigned int *bufp;
+ unsigned int tx_cmd;
+
+ debug(DRIVERNAME "[%s] Sending %u bytes\n", __func__, length);
+
+ /* frame size (words) */
+ len = (length + 3) >> 2;
+
+ bufp = (unsigned int *) (((u32)packet) & 0xFFFFFFFC);
+ wrsz = (u32)length + 3;
+ wrsz += ((u32)packet) & 0x3;
+ wrsz >>= 2;
+ tx_cmd = ((((unsigned int)(packet)) & 0x03) << 16) | (u32)length;
+
+ /* check if there is enough room for the current frame */
+ if (wrsz < (DNET_FIFO_SIZE - readl(&dnet->regs->TX_FIFO_WCNT))) {
+ for (i = 0; i < wrsz; i++)
+ writel(*bufp++, &dnet->regs->TX_DATA_FIFO);
+ /*
+ * inform MAC that a packet's written and ready
+ * to be shipped out
+ */
+ writel(tx_cmd, &dnet->regs->TX_LEN_FIFO);
+ } else {
+ printf(DRIVERNAME "No free space (actual %d, required %d "
+ "(words))\n", DNET_FIFO_SIZE -
+ readl(&dnet->regs->TX_FIFO_WCNT), wrsz);
+ }
+
+ /* No one cares anyway */
+ return 0;
+}
+
+
+static int dnet_recv(struct eth_device *netdev)
+{
+ struct dnet_device *dnet = to_dnet(netdev);
+ unsigned int *data_ptr;
+ int pkt_len, poll, i;
+ u32 cmd_word;
+
+ debug("Waiting for pkt (polling)\n");
+ poll = 50;
+ while ((readl(&dnet->regs->RX_FIFO_WCNT) >> 16) == 0) {
+ udelay(10); /* wait 10 usec */
+ if (--poll == 0)
+ return 0; /* no pkt available */
+ }
+
+ cmd_word = readl(&dnet->regs->RX_LEN_FIFO);
+ pkt_len = cmd_word & 0xFFFF;
+
+ debug("Got pkt with size %d bytes\n", pkt_len);
+
+ if (cmd_word & 0xDF180000)
+ printf("%s packet receive error %x\n", __func__, cmd_word);
+
+ data_ptr = (unsigned int *) NetRxPackets[0];
+
+ for (i = 0; i < (pkt_len + 3) >> 2; i++)
+ *data_ptr++ = readl(&dnet->regs->RX_DATA_FIFO);
+
+ NetReceive(NetRxPackets[0], pkt_len + 5); /* ok + 5 ?? */
+
+ return 0;
+}
+
+static void dnet_set_hwaddr(struct eth_device *netdev)
+{
+ struct dnet_device *dnet = to_dnet(netdev);
+ u16 tmp;
+
+ tmp = cpu_to_be16(*((u16 *)netdev->enetaddr));
+ dnet_writew_mac(dnet, DNET_INTERNAL_MAC_ADDR_0_REG, tmp);
+ tmp = cpu_to_be16(*((u16 *)(netdev->enetaddr + 2)));
+ dnet_writew_mac(dnet, DNET_INTERNAL_MAC_ADDR_1_REG, tmp);
+ tmp = cpu_to_be16(*((u16 *)(netdev->enetaddr + 4)));
+ dnet_writew_mac(dnet, DNET_INTERNAL_MAC_ADDR_2_REG, tmp);
+}
+
+static void dnet_phy_reset(struct dnet_device *dnet)
+{
+ struct eth_device *netdev = &dnet->netdev;
+ int i;
+ u16 status, adv;
+
+ adv = ADVERTISE_CSMA | ADVERTISE_ALL;
+ dnet_mdio_write(dnet, MII_ADVERTISE, adv);
+ printf("%s: Starting autonegotiation...\n", netdev->name);
+ dnet_mdio_write(dnet, MII_BMCR, (BMCR_ANENABLE
+ | BMCR_ANRESTART));
+
+ for (i = 0; i < CFG_DNET_AUTONEG_TIMEOUT / 100; i++) {
+ status = dnet_mdio_read(dnet, MII_BMSR);
+ if (status & BMSR_ANEGCOMPLETE)
+ break;
+ udelay(100);
+ }
+
+ if (status & BMSR_ANEGCOMPLETE)
+ printf("%s: Autonegotiation complete\n", netdev->name);
+ else
+ printf("%s: Autonegotiation timed out (status=0x%04x)\n",
+ netdev->name, status);
+}
+
+static int dnet_phy_init(struct dnet_device *dnet)
+{
+ struct eth_device *netdev = &dnet->netdev;
+ u16 phy_id, status, adv, lpa;
+ int media, speed, duplex;
+ int i;
+ u32 ctl_reg;
+
+ /* Find a PHY */
+ for (i = 0; i < 32; i++) {
+ dnet->phy_addr = i;
+ phy_id = dnet_mdio_read(dnet, MII_PHYSID1);
+ if (phy_id != 0xffff) {
+ /* ok we found it */
+ printf("Found PHY at address %d PHYID (%04x:%04x)\n",
+ i, phy_id,
+ dnet_mdio_read(dnet, MII_PHYSID2));
+ break;
+ }
+ }
+
+ /* Check if the PHY is up to snuff... */
+ phy_id = dnet_mdio_read(dnet, MII_PHYSID1);
+ if (phy_id == 0xffff) {
+ printf("%s: No PHY present\n", netdev->name);
+ return -1;
+ }
+
+ status = dnet_mdio_read(dnet, MII_BMSR);
+ if (!(status & BMSR_LSTATUS)) {
+ /* Try to re-negotiate if we don't have link already. */
+ dnet_phy_reset(dnet);
+
+ for (i = 0; i < CFG_DNET_AUTONEG_TIMEOUT / 100; i++) {
+ status = dnet_mdio_read(dnet, MII_BMSR);
+ if (status & BMSR_LSTATUS)
+ break;
+ udelay(100);
+ }
+ }
+
+ if (!(status & BMSR_LSTATUS)) {
+ printf("%s: link down (status: 0x%04x)\n",
+ netdev->name, status);
+ return -1;
+ } else {
+ adv = dnet_mdio_read(dnet, MII_ADVERTISE);
+ lpa = dnet_mdio_read(dnet, MII_LPA);
+ media = mii_nway_result(lpa & adv);
+ speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)
+ ? 1 : 0);
+ duplex = (media & ADVERTISE_FULL) ? 1 : 0;
+ /* 1000BaseT ethernet is not supported */
+ printf("%s: link up, %sMbps %s-duplex (lpa: 0x%04x)\n",
+ netdev->name,
+ speed ? "100" : "10",
+ duplex ? "full" : "half",
+ lpa);
+
+ ctl_reg = dnet_readw_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG);
+
+ if (duplex)
+ ctl_reg &= ~(DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP);
+ else
+ ctl_reg |= DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP;
+
+ dnet_writew_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG, ctl_reg);
+
+ return 0;
+ }
+}
+
+static int dnet_init(struct eth_device *netdev, bd_t *bd)
+{
+ struct dnet_device *dnet = to_dnet(netdev);
+ u32 config;
+
+ /*
+ * dnet_halt should have been called at some point before now,
+ * so we'll assume the controller is idle.
+ */
+
+ /* set hardware address */
+ dnet_set_hwaddr(netdev);
+
+ if (dnet_phy_init(dnet) < 0)
+ return -1;
+
+ /* flush rx/tx fifos */
+ writel(DNET_SYS_CTL_RXFIFOFLUSH | DNET_SYS_CTL_TXFIFOFLUSH,
+ &dnet->regs->SYS_CTL);
+ udelay(1000);
+ writel(0, &dnet->regs->SYS_CTL);
+
+ config = dnet_readw_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG);
+
+ config |= DNET_INTERNAL_RXTX_CONTROL_RXPAUSE |
+ DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST |
+ DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL |
+ DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS;
+
+ dnet_writew_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG, config);
+
+ /* Enable TX and RX */
+ dnet_writew_mac(dnet, DNET_INTERNAL_MODE_REG,
+ DNET_INTERNAL_MODE_RXEN | DNET_INTERNAL_MODE_TXEN);
+
+ return 0;
+}
+
+static void dnet_halt(struct eth_device *netdev)
+{
+ struct dnet_device *dnet = to_dnet(netdev);
+
+ /* Disable TX and RX */
+ dnet_writew_mac(dnet, DNET_INTERNAL_MODE_REG, 0);
+}
+
+int dnet_eth_initialize(int id, void *regs, unsigned int phy_addr)
+{
+ struct dnet_device *dnet;
+ struct eth_device *netdev;
+ unsigned int dev_capa;
+
+ dnet = malloc(sizeof(struct dnet_device));
+ if (!dnet) {
+ printf("Error: Failed to allocate memory for DNET%d\n", id);
+ return -1;
+ }
+ memset(dnet, 0, sizeof(struct dnet_device));
+
+ netdev = &dnet->netdev;
+
+ dnet->regs = (struct dnet_registers *)regs;
+ dnet->phy_addr = phy_addr;
+
+ sprintf(netdev->name, "dnet%d", id);
+ netdev->init = dnet_init;
+ netdev->halt = dnet_halt;
+ netdev->send = dnet_send;
+ netdev->recv = dnet_recv;
+
+ dev_capa = readl(&dnet->regs->VERCAPS) & 0xFFFF;
+ debug("%s: has %smdio, %sirq, %sgigabit, %sdma \n", netdev->name,
+ (dev_capa & DNET_HAS_MDIO) ? "" : "no ",
+ (dev_capa & DNET_HAS_IRQ) ? "" : "no ",
+ (dev_capa & DNET_HAS_GIGABIT) ? "" : "no ",
+ (dev_capa & DNET_HAS_DMA) ? "" : "no ");
+
+ eth_register(netdev);
+
+ return 0;
+}
+
diff --git a/drivers/net/dnet.h b/drivers/net/dnet.h
new file mode 100644
index 0000000..854a8cd
--- /dev/null
+++ b/drivers/net/dnet.h
@@ -0,0 +1,166 @@
+/*
+ * Dave Ethernet Controller driver
+ *
+ * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
+ *
+ * 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 __DRIVERS_DNET_H__
+#define __DRIVERS_DNET_H__
+
+#define DRIVERNAME "dnet"
+
+struct dnet_registers {
+ /* ALL DNET FIFO REGISTERS */
+ u32 RX_LEN_FIFO;
+ u32 RX_DATA_FIFO;
+ u32 TX_LEN_FIFO;
+ u32 TX_DATA_FIFO;
+ u32 pad1[0x3c];
+ /* ALL DNET CONTROL/STATUS REGISTERS */
+ u32 VERCAPS;
+ u32 INTR_SRC;
+ u32 INTR_ENB;
+ u32 RX_STATUS;
+ u32 TX_STATUS;
+ u32 RX_FRAMES_CNT;
+ u32 TX_FRAMES_CNT;
+ u32 RX_FIFO_TH;
+ u32 TX_FIFO_TH;
+ u32 SYS_CTL;
+ u32 PAUSE_TMR;
+ u32 RX_FIFO_WCNT;
+ u32 TX_FIFO_WCNT;
+ u32 pad2[0x33];
+ /* ALL DNET MAC REGISTERS */
+ u32 MACREG_DATA; /* Mac-Reg Data */
+ u32 MACREG_ADDR; /* Mac-Reg Addr */
+ u32 pad3[0x3e];
+ /* ALL DNET RX STATISTICS COUNTERS */
+ u32 RX_PKT_IGNR_CNT;
+ u32 RX_LEN_CHK_ERR_CNT;
+ u32 RX_LNG_FRM_CNT;
+ u32 RX_SHRT_FRM_CNT;
+ u32 RX_IPG_VIOL_CNT;
+ u32 RX_CRC_ERR_CNT;
+ u32 RX_OK_PKT_CNT;
+ u32 RX_CTL_FRM_CNT;
+ u32 RX_PAUSE_FRM_CNT;
+ u32 RX_MULTICAST_CNT;
+ u32 RX_BROADCAST_CNT;
+ u32 RX_VLAN_TAG_CNT;
+ u32 RX_PRE_SHRINK_CNT;
+ u32 RX_DRIB_NIB_CNT;
+ u32 RX_UNSUP_OPCD_CNT;
+ u32 RX_BYTE_CNT;
+ u32 pad4[0x30];
+ /* DNET TX STATISTICS COUNTERS */
+ u32 TX_UNICAST_CNT;
+ u32 TX_PAUSE_FRM_CNT;
+ u32 TX_MULTICAST_CNT;
+ u32 TX_BRDCAST_CNT;
+ u32 TX_VLAN_TAG_CNT;
+ u32 TX_BAD_FCS_CNT;
+ u32 TX_JUMBO_CNT;
+ u32 TX_BYTE_CNT;
+} __attribute__((packed));
+
+/* SOME INTERNAL MAC-CORE REGISTER */
+#define DNET_INTERNAL_MODE_REG 0x0
+#define DNET_INTERNAL_RXTX_CONTROL_REG 0x2
+#define DNET_INTERNAL_MAX_PKT_SIZE_REG 0x4
+#define DNET_INTERNAL_IGP_REG 0x8
+#define DNET_INTERNAL_MAC_ADDR_0_REG 0xa
+#define DNET_INTERNAL_MAC_ADDR_1_REG 0xc
+#define DNET_INTERNAL_MAC_ADDR_2_REG 0xe
+#define DNET_INTERNAL_TX_RX_STS_REG 0x12
+#define DNET_INTERNAL_GMII_MNG_CTL_REG 0x14
+#define DNET_INTERNAL_GMII_MNG_DAT_REG 0x16
+
+#define DNET_INTERNAL_GMII_MNG_CMD_FIN (1 << 14)
+
+#define DNET_INTERNAL_WRITE (1 << 31)
+
+/* MAC-CORE REGISTER FIELDS */
+
+/* MAC-CORE MODE REGISTER FIELDS */
+#define DNET_INTERNAL_MODE_GBITEN (1 << 0)
+#define DNET_INTERNAL_MODE_FCEN (1 << 1)
+#define DNET_INTERNAL_MODE_RXEN (1 << 2)
+#define DNET_INTERNAL_MODE_TXEN (1 << 3)
+
+/* MAC-CORE RXTX CONTROL REGISTER FIELDS */
+#define DNET_INTERNAL_RXTX_CONTROL_RXSHORTFRAME (1 << 8)
+#define DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST (1 << 7)
+#define DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST (1 << 4)
+#define DNET_INTERNAL_RXTX_CONTROL_RXPAUSE (1 << 3)
+#define DNET_INTERNAL_RXTX_CONTROL_DISTXFCS (1 << 2)
+#define DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS (1 << 1)
+#define DNET_INTERNAL_RXTX_CONTROL_ENPROMISC (1 << 0)
+#define DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL (1 << 6)
+#define DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP (1 << 5)
+
+/* SYSTEM CONTROL REGISTER FIELDS */
+#define DNET_SYS_CTL_IGNORENEXTPKT (1 << 0)
+#define DNET_SYS_CTL_SENDPAUSE (1 << 2)
+#define DNET_SYS_CTL_RXFIFOFLUSH (1 << 3)
+#define DNET_SYS_CTL_TXFIFOFLUSH (1 << 4)
+
+/* TX STATUS REGISTER FIELDS */
+#define DNET_TX_STATUS_FIFO_ALMOST_EMPTY (1 << 2)
+#define DNET_TX_STATUS_FIFO_ALMOST_FULL (1 << 1)
+
+/* INTERRUPT SOURCE REGISTER FIELDS */
+#define DNET_INTR_SRC_TX_PKTSENT (1 << 0)
+#define DNET_INTR_SRC_TX_FIFOAF (1 << 1)
+#define DNET_INTR_SRC_TX_FIFOAE (1 << 2)
+#define DNET_INTR_SRC_TX_DISCFRM (1 << 3)
+#define DNET_INTR_SRC_TX_FIFOFULL (1 << 4)
+#define DNET_INTR_SRC_RX_CMDFIFOAF (1 << 8)
+#define DNET_INTR_SRC_RX_CMDFIFOFF (1 << 9)
+#define DNET_INTR_SRC_RX_DATAFIFOFF (1 << 10)
+#define DNET_INTR_SRC_TX_SUMMARY (1 << 16)
+#define DNET_INTR_SRC_RX_SUMMARY (1 << 17)
+#define DNET_INTR_SRC_PHY (1 << 19)
+
+/* INTERRUPT ENABLE REGISTER FIELDS */
+#define DNET_INTR_ENB_TX_PKTSENT (1 << 0)
+#define DNET_INTR_ENB_TX_FIFOAF (1 << 1)
+#define DNET_INTR_ENB_TX_FIFOAE (1 << 2)
+#define DNET_INTR_ENB_TX_DISCFRM (1 << 3)
+#define DNET_INTR_ENB_TX_FIFOFULL (1 << 4)
+#define DNET_INTR_ENB_RX_PKTRDY (1 << 8)
+#define DNET_INTR_ENB_RX_FIFOAF (1 << 9)
+#define DNET_INTR_ENB_RX_FIFOERR (1 << 10)
+#define DNET_INTR_ENB_RX_ERROR (1 << 11)
+#define DNET_INTR_ENB_RX_FIFOFULL (1 << 12)
+#define DNET_INTR_ENB_RX_FIFOAE (1 << 13)
+#define DNET_INTR_ENB_TX_SUMMARY (1 << 16)
+#define DNET_INTR_ENB_RX_SUMMARY (1 << 17)
+#define DNET_INTR_ENB_GLOBAL_ENABLE (1 << 18)
+
+/*
+ * Capabilities. Used by the driver to know the capabilities that
+ * the ethernet controller inside the FPGA have.
+ */
+
+#define DNET_HAS_MDIO (1 << 0)
+#define DNET_HAS_IRQ (1 << 1)
+#define DNET_HAS_GIGABIT (1 << 2)
+#define DNET_HAS_DMA (1 << 3)
+
+#define DNET_HAS_MII (1 << 4) /* or GMII */
+#define DNET_HAS_RMII (1 << 5) /* or RGMII */
+
+#define DNET_CAPS_MASK 0xFFFF
+
+#define DNET_FIFO_SIZE 2048 /* 2K x 32 bit */
+#define DNET_FIFO_TX_DATA_AF_TH (DNET_FIFO_SIZE - 384) /* 384 = 1536 / 4 */
+#define DNET_FIFO_TX_DATA_AE_TH (384)
+
+#define DNET_FIFO_RX_CMD_AF_TH (1 << 16) /* just one frame inside the FIFO */
+
+#endif
diff --git a/include/netdev.h b/include/netdev.h
index ce1ecbd..5c568f3 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -44,6 +44,7 @@ int cpu_eth_init(bd_t *bis);
int au1x00_enet_initialize(bd_t*);
int bfin_EMAC_initialize(bd_t *bis);
int dc21x4x_initialize(bd_t *bis);
+int dnet_eth_initialize(int id, void *regs, unsigned int phy_addr);
int e1000_initialize(bd_t *bis);
int eepro100_initialize(bd_t *bis);
int eth_3com_initialize (bd_t * bis);
--
1.6.0.6
^ permalink raw reply related [flat|nested] 7+ messages in thread* [U-Boot] [PATCH 3/3][v2] qong: support for Dave/DENX QongEVB-LITE board
2009-02-05 3:32 [U-Boot] [PATCH 0/3][v2] qong: support for Dave/DENX QongEVB-LITE Ilya Yanok
2009-02-05 3:32 ` [U-Boot] [PATCH 1/3][v2] mx31: add GPIO registers definitions Ilya Yanok
2009-02-05 3:32 ` [U-Boot] [PATCH 2/3][v2] dnet: driver for Dave DNET ethernet controller Ilya Yanok
@ 2009-02-05 3:32 ` Ilya Yanok
2009-02-05 21:17 ` Jean-Christophe PLAGNIOL-VILLARD
2009-02-05 21:34 ` Wolfgang Denk
2 siblings, 2 replies; 7+ messages in thread
From: Ilya Yanok @ 2009-02-05 3:32 UTC (permalink / raw)
To: u-boot
This patch adds support for Dave/DENX QongEVB-LITE i.MX31-based board.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
---
Makefile | 4 +
board/davedenx/qong/Makefile | 53 +++++++++
board/davedenx/qong/config.mk | 1 +
board/davedenx/qong/lowlevel_init.S | 172 ++++++++++++++++++++++++++++
board/davedenx/qong/qong.c | 167 +++++++++++++++++++++++++++
board/davedenx/qong/qong_fpga.h | 41 +++++++
board/davedenx/qong/u-boot.lds | 58 ++++++++++
include/configs/qong.h | 215 +++++++++++++++++++++++++++++++++++
8 files changed, 711 insertions(+), 0 deletions(-)
create mode 100644 board/davedenx/qong/Makefile
create mode 100644 board/davedenx/qong/config.mk
create mode 100644 board/davedenx/qong/lowlevel_init.S
create mode 100644 board/davedenx/qong/qong.c
create mode 100644 board/davedenx/qong/qong_fpga.h
create mode 100644 board/davedenx/qong/u-boot.lds
create mode 100644 include/configs/qong.h
diff --git a/Makefile b/Makefile
index 787c5f2..7508e1d 100644
--- a/Makefile
+++ b/Makefile
@@ -3034,6 +3034,10 @@ mx31ads_config : unconfig
omap2420h4_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4 NULL omap24xx
+qong_config : unconfig
+ @$(MKCONFIG) $(@:_config=) arm arm1136 qong davedenx mx31
+
+
#########################################################################
## ARM1176 Systems
#########################################################################
diff --git a/board/davedenx/qong/Makefile b/board/davedenx/qong/Makefile
new file mode 100644
index 0000000..93e1985
--- /dev/null
+++ b/board/davedenx/qong/Makefile
@@ -0,0 +1,53 @@
+#
+# (C) Copyright 2009
+# Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := qong.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/davedenx/qong/config.mk b/board/davedenx/qong/config.mk
new file mode 100644
index 0000000..d8d0a57
--- /dev/null
+++ b/board/davedenx/qong/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x8ff00000
diff --git a/board/davedenx/qong/lowlevel_init.S b/board/davedenx/qong/lowlevel_init.S
new file mode 100644
index 0000000..ae653ab
--- /dev/null
+++ b/board/davedenx/qong/lowlevel_init.S
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2009, Emcraft Systems, Ilya Yanok <yanok@emcraft.com>
+ *
+ * Based on board/freescale/mx31ads/lowlevel_init.S
+ * by Guennadi Liakhovetski.
+ *
+ * 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 <asm/arch/mx31-regs.h>
+
+.macro REG reg, val
+ ldr r2, =\reg
+ ldr r3, =\val
+ str r3, [r2]
+.endm
+
+.macro REG8 reg, val
+ ldr r2, =\reg
+ ldr r3, =\val
+ strb r3, [r2]
+.endm
+
+.macro DELAY loops
+ ldr r2, =\loops
+1:
+ subs r2, r2, #1
+ nop
+ bcs 1b
+.endm
+
+/* RedBoot: To support 133MHz DDR */
+.macro init_drive_strength
+ /*
+ * Disable maximum drive strength SDRAM/DDR lines by clearing DSE1 bits
+ * in SW_PAD_CTL registers
+ */
+
+ /* SDCLK */
+ ldr r1, =0x43FAC200
+ ldr r0, [r1, #0x6C]
+ bic r0, r0, #(1 << 12)
+ str r0, [r1, #0x6C]
+
+ /* CAS */
+ ldr r0, [r1, #0x70]
+ bic r0, r0, #(1 << 22)
+ str r0, [r1, #0x70]
+
+ /* RAS */
+ ldr r0, [r1, #0x74]
+ bic r0, r0, #(1 << 2)
+ str r0, [r1, #0x74]
+
+ /* CS2 (CSD0) */
+ ldr r0, [r1, #0x7C]
+ bic r0, r0, #(1 << 22)
+ str r0, [r1, #0x7C]
+
+ /* DQM3 */
+ ldr r0, [r1, #0x84]
+ bic r0, r0, #(1 << 22)
+ str r0, [r1, #0x84]
+
+ /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */
+ ldr r2, =22 /* (0x2E0 - 0x288) / 4 = 22 */
+pad_loop:
+ ldr r0, [r1, #0x88]
+ bic r0, r0, #(1 << 22)
+ bic r0, r0, #(1 << 12)
+ bic r0, r0, #(1 << 2)
+ str r0, [r1, #0x88]
+ add r1, r1, #4
+ subs r2, r2, #0x1
+ bne pad_loop
+.endm /* init_drive_strength */
+
+.globl lowlevel_init
+lowlevel_init:
+
+ init_drive_strength
+
+ /* Image Processing Unit: */
+ /* Too early to switch display on? */
+ /* Switch on Display Interface */
+ REG IPU_CONF, IPU_CONF_DI_EN
+ /* Clock Control Module: */
+ REG CCM_CCMR, 0x074B0BF5 /* Use CKIH, MCU PLL off */
+
+ DELAY 0x40000
+
+ REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE /* MCU PLL on */
+ /* Switch to MCU PLL */
+ REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS
+
+ /* 399-133-66.5 */
+ ldr r0, =CCM_BASE
+ ldr r1, =0xFF871650
+ /* PDR0 */
+ str r1, [r0, #0x4]
+ ldr r1, MPCTL_PARAM_399
+ /* MPCTL */
+ str r1, [r0, #0x10]
+
+ /* Set UPLL=240MHz, USB=60MHz */
+ ldr r1, =0x49FCFE7F
+ /* PDR1 */
+ str r1, [r0, #0x8]
+ ldr r1, UPCTL_PARAM_240
+ /* UPCTL */
+ str r1, [r0, #0x14]
+ /* default CLKO to 1/8 of the ARM core */
+ mov r1, #0x00000208
+ /* COSR */
+ str r1, [r0, #0x1c]
+
+ /* Default: 1, 4, 12, 1 */
+ REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1)
+
+ /* B8xxxxxx - NAND, 8xxxxxxx - CSD0 RAM */
+ REG 0xB8001010, 0x00000004
+ REG 0xB8001004, ((3<<21) | /* tXP */ \
+ (0<<20) | /* tWTR */ \
+ (2<<18) | /* tRP */ \
+ (1<<16) | /* tMRD */ \
+ (0<<15) | /* tWR */ \
+ (5<<12) | /* tRAS */ \
+ (1<<10) | /* tRRD */ \
+ (3<<8) | /* tCAS */ \
+ (2<<4) | /* tRCD */ \
+ (7<<0) /* tRC */ )
+ REG 0xB8001000, 0x92100000
+ REG 0x80000f00, 0x12344321
+ REG 0xB8001000, 0xa2100000
+ REG 0x80000000, 0x12344321
+ REG 0x80000000, 0x12344321
+ REG 0xB8001000, 0xb2100000
+ REG8 0x80000033, 0xda
+ REG8 0x81000000, 0xff
+ REG 0xB8001000, ((1<<31) | \
+ (0<<28) | \
+ (0<<27) | \
+ (3<<24) | /* 14 rows */ \
+ (2<<20) | /* 10 cols */ \
+ (2<<16) | \
+ (4<<13) | /* 3.91us (64ms/16384) */ \
+ (0<<10) | \
+ (0<<8) | \
+ (1<<7) | \
+ (0<<0))
+ REG 0x80000000, 0xDEADBEEF
+ REG 0xB8001010, 0x0000000c
+
+ mov pc, lr
+
+MPCTL_PARAM_399:
+ .word (((1-1) << 26) + ((52-1) << 16) + (7 << 10) + (35 << 0))
+UPCTL_PARAM_240:
+ .word (((2-1) << 26) + ((13-1) << 16) + (9 << 10) + (3 << 0))
diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c
new file mode 100644
index 0000000..368b97c
--- /dev/null
+++ b/board/davedenx/qong/qong.c
@@ -0,0 +1,167 @@
+/*
+ *
+ * (c) 2009 Emcraft Systems, Ilya Yanok <yanok@emcraft.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 <netdev.h>
+#include <asm/arch/mx31.h>
+#include <asm/arch/mx31-regs.h>
+#include "qong_fpga.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = get_ram_size((volatile void *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+
+ return 0;
+}
+
+int board_init (void)
+{
+ /* Chip selects */
+ /* CS0: Nor Flash #0 - it must be init'ed when executing from DDR */
+ /* Assumptions: HCLK = 133 MHz, tACC = 130ns */
+ __REG(CSCR_U(0)) = ((0 << 31) | /* SP */
+ (0 << 30) | /* WP */
+ (0 << 28) | /* BCD */
+ (0 << 24) | /* BCS */
+ (0 << 22) | /* PSZ */
+ (0 << 21) | /* PME */
+ (0 << 20) | /* SYNC */
+ (0 << 16) | /* DOL */
+ (3 << 14) | /* CNC */
+ (21 << 8) | /* WSC */
+ (0 << 7) | /* EW */
+ (0 << 4) | /* WWS */
+ (6 << 0) /* EDC */
+ );
+
+ __REG(CSCR_L(0)) = ((2 << 28) | /* OEA */
+ (1 << 24) | /* OEN */
+ (3 << 20) | /* EBWA */
+ (3 << 16) | /* EBWN */
+ (1 << 12) | /* CSA */
+ (1 << 11) | /* EBC */
+ (5 << 8) | /* DSZ */
+ (1 << 4) | /* CSN */
+ (0 << 3) | /* PSR */
+ (0 << 2) | /* CRE */
+ (0 << 1) | /* WRAP */
+ (1 << 0) /* CSEN */
+ );
+
+ __REG(CSCR_A(0)) = ((2 << 28) | /* EBRA */
+ (1 << 24) | /* EBRN */
+ (2 << 20) | /* RWA */
+ (2 << 16) | /* RWN */
+ (0 << 15) | /* MUM */
+ (0 << 13) | /* LAH */
+ (2 << 10) | /* LBN */
+ (0 << 8) | /* LBA */
+ (0 << 6) | /* DWW */
+ (0 << 4) | /* DCT */
+ (0 << 3) | /* WWU */
+ (0 << 2) | /* AGE */
+ (0 << 1) | /* CNC2 */
+ (0 << 0) /* FCE */
+ );
+
+#ifdef CONFIG_QONG_FPGA
+ /* CS1: FPGA/Network Controller/GPIO */
+ /* 16-bit, no DTACK */
+ __REG(CSCR_U(1)) = 0x00000A01;
+ __REG(CSCR_L(1)) = 0x20040501;
+ __REG(CSCR_A(1)) = 0x04020C00;
+
+ /* setup pins for FPGA */
+ mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x7e, MUX_CTL_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x91, MUX_CTL_OUT_FUNC | MUX_CTL_IN_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x92, MUX_CTL_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x93, MUX_CTL_GPIO));
+#endif
+
+ /* setup pins for UART1 */
+ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+ mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+ mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+ mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+
+ gd->bd->bi_arch_number = 1524; /* board id for linux */
+ gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */
+
+ return 0;
+}
+
+int checkboard (void)
+{
+ printf("Board: DAVE/DENX QongEVB-LITE\n");
+ return 0;
+}
+
+int misc_init_r (void)
+{
+#ifdef CONFIG_QONG_FPGA
+ u32 tmp;
+
+ /* FPGA reset */
+ /* rstn = 0 */
+ tmp = __REG(GPIO2_BASE + GPIO_DR);
+ tmp &= (~(1 << QONG_FPGA_RST_PIN));
+ __REG(GPIO2_BASE + GPIO_DR) = tmp;
+ /* set the GPIO as output */
+ tmp = __REG(GPIO2_BASE + GPIO_GDIR);
+ tmp |= (1 << QONG_FPGA_RST_PIN);
+ __REG(GPIO2_BASE + GPIO_GDIR) = tmp;
+ /* wait */
+ udelay(30);
+ /* rstn = 1 */
+ tmp = __REG(GPIO2_BASE + GPIO_DR);
+ tmp |= (1 << QONG_FPGA_RST_PIN);
+ __REG(GPIO2_BASE + GPIO_DR) = tmp;
+ /* set interrupt pin as input */
+ __REG(GPIO2_BASE + GPIO_GDIR) = tmp | (1 << QONG_FPGA_IRQ_PIN);
+ /* wait while the FPGA starts */
+ udelay(300);
+
+ tmp = *(volatile u32*)QONG_FPGA_CTRL_VERSION;
+ printf("FPGA: ");
+ printf("version register = %u.%u.%u\n",
+ (tmp & 0xF000)>>12, (tmp & 0x0F00) >> 8, tmp & 0x00FF);
+#endif
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_QONG_FPGA) && defined(CONFIG_DNET)
+ return dnet_eth_initialize(0, (void *)CONFIG_DNET_BASE, -1);
+#else
+ return 0;
+#endif
+}
+
diff --git a/board/davedenx/qong/qong_fpga.h b/board/davedenx/qong/qong_fpga.h
new file mode 100644
index 0000000..b1cb08a
--- /dev/null
+++ b/board/davedenx/qong/qong_fpga.h
@@ -0,0 +1,41 @@
+/*
+ *
+ * (c) 2009 Emcraft Systems, Ilya Yanok <yanok@emcraft.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 QONG_FPGA_H
+#define QONG_FPGA_H
+
+#ifdef CONFIG_QONG_FPGA
+#define QONG_FPGA_CTRL_BASE CONFIG_FPGA_BASE
+#define QONG_FPGA_CTRL_VERSION (QONG_FPGA_CTRL_BASE + 0x00000000)
+#define QONG_FPGA_PERIPH_SIZE (1 << 24)
+
+#define QONG_FPGA_TCK_PIN 26
+#define QONG_FPGA_TMS_PIN 25
+#define QONG_FPGA_TDI_PIN 8
+#define QONG_FPGA_TDO_PIN 7
+#define QONG_FPGA_RST_PIN 16
+#define QONG_FPGA_IRQ_PIN 8
+#endif
+
+#endif /* QONG_FPGA_H */
+
diff --git a/board/davedenx/qong/u-boot.lds b/board/davedenx/qong/u-boot.lds
new file mode 100644
index 0000000..8bf08ca
--- /dev/null
+++ b/board/davedenx/qong/u-boot.lds
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2009
+ * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm1136/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
diff --git a/include/configs/qong.h b/include/configs/qong.h
new file mode 100644
index 0000000..e7ce8ee
--- /dev/null
+++ b/include/configs/qong.h
@@ -0,0 +1,215 @@
+/*
+ * Copyright (C) 2009, Ilya Yanok, Emcraft Systems, <yanok@emcraft.com>
+ *
+ * Configuration settings for the Dave/DENX QongEVB-LITE board.
+ *
+ * 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 __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/arch/mx31-regs.h>
+
+ /* High Level Configuration Options */
+#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
+#define CONFIG_MX31 1 /* in a mx31 */
+#define CONFIG_QONG 1
+#define CONFIG_MX31_HCLK_FREQ 26000000 /* 26MHz */
+#define CONFIG_MX31_CLK32 32768
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
+/* size in bytes reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_SIZE 128
+
+/*
+ * Hardware drivers
+ */
+
+#define CONFIG_MX31_UART 1
+#define CONFIG_SYS_MX31_UART1 1
+
+/* FPGA */
+#define CONFIG_QONG_FPGA 1
+#define CONFIG_FPGA_BASE (CS1_BASE)
+
+#ifdef CONFIG_QONG_FPGA
+/* Ethernet */
+#define CONFIG_DNET 1
+#define CONFIG_DNET_BASE (CS1_BASE + QONG_FPGA_PERIPH_SIZE)
+#define CONFIG_NET_MULTI 1
+
+/*
+ * Reducing the ARP timeout from default 5 seconds to 200ms we speed up the
+ * initial TFTP transfer, should the user wish one, significantly.
+ */
+#define CONFIG_ARP_TIMEOUT 200UL
+
+#endif /* CONFIG_QONG_FPGA */
+
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_MII
+
+/*
+ * You can compile in a MAC address and your custom net settings by using
+ * the following syntax.
+ *
+ * #define CONFIG_ETHADDR xx:xx:xx:xx:xx:xx
+ * #define CONFIG_SERVERIP <server ip>
+ * #define CONFIG_IPADDR <board ip>
+ * #define CONFIG_GATEWAYIP <gateway ip>
+ * #define CONFIG_NETMASK <your netmask>
+ */
+
+#define CONFIG_BOOTDELAY 5
+
+#define CONFIG_LOADADDR 0x80800000 /* loadaddr env var */
+
+#define xstr(s) str(s)
+#define str(s) #s
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "netdev=eth0\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+ ":${hostname}:${netdev}:off panic=1\0" \
+ "addtty=setenv bootargs ${bootargs}" \
+ " console=ttymxc0,${baudrate}\0" \
+ "addmisc=setenv bootargs ${bootargs}\0" \
+ "uboot_addr=a0000000\0" \
+ "kernel_addr=a0080000\0" \
+ "ramdisk_addr=a0300000\0" \
+ "uboot=qong/u-boot.bin\0" \
+ "kernel_addr_r=80800000\0" \
+ "hostname=qong\0" \
+ "bootfile=qong/uImage\0" \
+ "rootpath=/opt/eldk-4.2-arm/armVFP\0" \
+ "flash_self=run ramargs addip addtty addmisc;" \
+ "bootm ${kernel_addr} ${ramdisk_addr}\0" \
+ "flash_nfs=run nfsargs addip addtty addmisc;" \
+ "bootm ${kernel_addr}\0" \
+ "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
+ "run nfsargs addip addtty addmisc;" \
+ "bootm\0" \
+ "load=tftp ${loadaddr} ${uboot}\0" \
+ "update=protect off " xstr(CONFIG_SYS_MONITOR_BASE) \
+ " +${filesize};era " xstr(CONFIG_SYS_MONITOR_BASE) \
+ " +${filesize};cp.b ${fileaddr} " \
+ xstr(CONFIG_SYS_MONITOR_BASE) " ${filesize};" \
+ "setenv filesize;saveenv\0" \
+ "upd=run load update\0" \
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#define CONFIG_SYS_PROMPT "=> "
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 32 /* max number of command args */
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+/* memtest works on first 255MB of RAM */
+#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1
+#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 0xff000000)
+
+#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+
+#define CONFIG_SYS_HZ 1000
+
+#define CONFIG_CMDLINE_EDITING 1
+
+#define CONFIG_MISC_INIT_R 1
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_1 CSD0_BASE
+#define PHYS_SDRAM_1_SIZE 0x10000000 /* 256 MB */
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+#define CONFIG_SYS_FLASH_BASE CS0_BASE
+#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
+/* max number of sectors on one chip */
+#define CONFIG_SYS_MAX_FLASH_SECT 1024
+/* Monitor at beginning of flash */
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256KiB */
+
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_SECT_SIZE 0x20000
+#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE+(0x40000))
+
+/* Address and size of Redundant Environment Sector */
+#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
+
+/*-----------------------------------------------------------------------
+ * CFI FLASH driver setup
+ */
+/* Flash memory is CFI compliant */
+#define CONFIG_SYS_FLASH_CFI 1
+/* Use drivers/cfi_flash.c */
+#define CONFIG_FLASH_CFI_DRIVER 1
+/* Use buffered writes (~10x faster) */
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
+/* Use hardware sector protection */
+#define CONFIG_SYS_FLASH_PROTECTION 1
+
+/*
+ * JFFS2 partitions
+ */
+#define CONFIG_JFFS2_CMDLINE
+
+#endif /* __CONFIG_H */
--
1.6.0.6
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