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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/net/fm/dtsec.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/net/fm/dtsec.c')
-rw-r--r--qemu/roms/u-boot/drivers/net/fm/dtsec.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/net/fm/dtsec.c b/qemu/roms/u-boot/drivers/net/fm/dtsec.c
new file mode 100644
index 000000000..78bbd439f
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/fm/dtsec.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/types.h>
+#include <asm/io.h>
+#include <asm/fsl_enet.h>
+#include <asm/fsl_dtsec.h>
+#include <fsl_mdio.h>
+#include <phy.h>
+
+#include "fm.h"
+
+#define RCTRL_INIT (RCTRL_GRS | RCTRL_UPROM)
+#define TCTRL_INIT TCTRL_GTS
+#define MACCFG1_INIT MACCFG1_SOFT_RST
+
+#define MACCFG2_INIT (MACCFG2_PRE_LEN(0x7) | MACCFG2_LEN_CHECK | \
+ MACCFG2_PAD_CRC | MACCFG2_FULL_DUPLEX | \
+ MACCFG2_IF_MODE_NIBBLE)
+
+/* MAXFRM - maximum frame length register */
+#define MAXFRM_MASK 0x00003fff
+
+static void dtsec_init_mac(struct fsl_enet_mac *mac)
+{
+ struct dtsec *regs = mac->base;
+
+ /* soft reset */
+ out_be32(&regs->maccfg1, MACCFG1_SOFT_RST);
+ udelay(1000);
+
+ /* clear soft reset, Rx/Tx MAC disable */
+ out_be32(&regs->maccfg1, 0);
+
+ /* graceful stop rx */
+ out_be32(&regs->rctrl, RCTRL_INIT);
+ udelay(1000);
+
+ /* graceful stop tx */
+ out_be32(&regs->tctrl, TCTRL_INIT);
+ udelay(1000);
+
+ /* disable all interrupts */
+ out_be32(&regs->imask, IMASK_MASK_ALL);
+
+ /* clear all events */
+ out_be32(&regs->ievent, IEVENT_CLEAR_ALL);
+
+ /* set the max Rx length */
+ out_be32(&regs->maxfrm, mac->max_rx_len & MAXFRM_MASK);
+
+ /* set the ecntrl to reset value */
+ out_be32(&regs->ecntrl, ECNTRL_DEFAULT);
+
+ /*
+ * Rx length check, no strip CRC for Rx, pad and append CRC for Tx,
+ * full duplex
+ */
+ out_be32(&regs->maccfg2, MACCFG2_INIT);
+}
+
+static void dtsec_enable_mac(struct fsl_enet_mac *mac)
+{
+ struct dtsec *regs = mac->base;
+
+ /* enable Rx/Tx MAC */
+ setbits_be32(&regs->maccfg1, MACCFG1_RXTX_EN);
+
+ /* clear the graceful Rx stop */
+ clrbits_be32(&regs->rctrl, RCTRL_GRS);
+
+ /* clear the graceful Tx stop */
+ clrbits_be32(&regs->tctrl, TCTRL_GTS);
+}
+
+static void dtsec_disable_mac(struct fsl_enet_mac *mac)
+{
+ struct dtsec *regs = mac->base;
+
+ /* graceful Rx stop */
+ setbits_be32(&regs->rctrl, RCTRL_GRS);
+
+ /* graceful Tx stop */
+ setbits_be32(&regs->tctrl, TCTRL_GTS);
+
+ /* disable Rx/Tx MAC */
+ clrbits_be32(&regs->maccfg1, MACCFG1_RXTX_EN);
+}
+
+static void dtsec_set_mac_addr(struct fsl_enet_mac *mac, u8 *mac_addr)
+{
+ struct dtsec *regs = mac->base;
+ u32 mac_addr1, mac_addr2;
+
+ /*
+ * if a station address of 0x12345678ABCD, perform a write to
+ * MACSTNADDR1 of 0xCDAB7856, MACSTNADDR2 of 0x34120000
+ */
+ mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \
+ (mac_addr[3] << 8) | (mac_addr[2]);
+ out_be32(&regs->macstnaddr1, mac_addr1);
+
+ mac_addr2 = ((mac_addr[1] << 24) | (mac_addr[0] << 16)) & 0xffff0000;
+ out_be32(&regs->macstnaddr2, mac_addr2);
+}
+
+static void dtsec_set_interface_mode(struct fsl_enet_mac *mac,
+ phy_interface_t type, int speed)
+{
+ struct dtsec *regs = mac->base;
+ u32 ecntrl, maccfg2;
+
+ /* clear all bits relative with interface mode */
+ ecntrl = in_be32(&regs->ecntrl);
+ ecntrl &= ~(ECNTRL_TBIM | ECNTRL_GMIIM | ECNTRL_RPM |
+ ECNTRL_R100M | ECNTRL_SGMIIM);
+
+ maccfg2 = in_be32(&regs->maccfg2);
+ maccfg2 &= ~MACCFG2_IF_MODE_MASK;
+
+ if (speed == SPEED_1000)
+ maccfg2 |= MACCFG2_IF_MODE_BYTE;
+ else
+ maccfg2 |= MACCFG2_IF_MODE_NIBBLE;
+
+ /* set interface mode */
+ switch (type) {
+ case PHY_INTERFACE_MODE_GMII:
+ ecntrl |= ECNTRL_GMIIM;
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ ecntrl |= (ECNTRL_GMIIM | ECNTRL_RPM);
+ if (speed == SPEED_100)
+ ecntrl |= ECNTRL_R100M;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ if (speed == SPEED_100)
+ ecntrl |= ECNTRL_R100M;
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ ecntrl |= (ECNTRL_SGMIIM | ECNTRL_TBIM);
+ if (speed == SPEED_100)
+ ecntrl |= ECNTRL_R100M;
+ break;
+ default:
+ break;
+ }
+
+ out_be32(&regs->ecntrl, ecntrl);
+ out_be32(&regs->maccfg2, maccfg2);
+}
+
+void init_dtsec(struct fsl_enet_mac *mac, void *base,
+ void *phyregs, int max_rx_len)
+{
+ mac->base = base;
+ mac->phyregs = phyregs;
+ mac->max_rx_len = max_rx_len;
+ mac->init_mac = dtsec_init_mac;
+ mac->enable_mac = dtsec_enable_mac;
+ mac->disable_mac = dtsec_disable_mac;
+ mac->set_mac_addr = dtsec_set_mac_addr;
+ mac->set_if_mode = dtsec_set_interface_mode;
+}