powerpc/mpc85xx: Add T4240 SoC

Add support for Freescale T4240 SoC. Feature of T4240 are
(incomplete list):

12 dual-threaded e6500 cores built on Power Architecture® technology
  Arranged as clusters of four cores sharing a 2 MB L2 cache.
  Up to 1.8 GHz at 1.0 V with 64-bit ISA support (Power Architecture
    v2.06-compliant)
  Three levels of instruction: user, supervisor, and hypervisor
1.5 MB CoreNet Platform Cache (CPC)
Hierarchical interconnect fabric
  CoreNet fabric supporting coherent and non-coherent transactions with
    prioritization and bandwidth allocation amongst CoreNet end-points
  1.6 Tbps coherent read bandwidth
  Queue Manager (QMan) fabric supporting packet-level queue management and
    quality of service scheduling
Three 64-bit DDR3/3L SDRAM memory controllers with ECC and interleaving
    support
  Memory prefetch engine (PMan)
Data Path Acceleration Architecture (DPAA) incorporating acceleration for
    the following functions:
  Packet parsing, classification, and distribution (Frame Manager 1.1)
  Queue management for scheduling, packet sequencing, and congestion
    management (Queue Manager 1.1)
  Hardware buffer management for buffer allocation and de-allocation
    (BMan 1.1)
  Cryptography acceleration (SEC 5.0) at up to 40 Gbps
  RegEx Pattern Matching Acceleration (PME 2.1) at up to 10 Gbps
  Decompression/Compression Acceleration (DCE 1.0) at up to 20 Gbps
  DPAA chip-to-chip interconnect via RapidIO Message Manager (RMAN 1.0)
32 SerDes lanes at up to 10.3125 GHz
Ethernet interfaces
  Up to four 10 Gbps Ethernet MACs
  Up to sixteen 1 Gbps Ethernet MACs
  Maximum configuration of 4 x 10 GE + 8 x 1 GE
High-speed peripheral interfaces
  Four PCI Express 2.0/3.0 controllers
  Two Serial RapidIO 2.0 controllers/ports running at up to 5 GHz with
    Type 11 messaging and Type 9 data streaming support
  Interlaken look-aside interface for serial TCAM connection
Additional peripheral interfaces
  Two serial ATA (SATA 2.0) controllers
  Two high-speed USB 2.0 controllers with integrated PHY
  Enhanced secure digital host controller (SD/MMC/eMMC)
  Enhanced serial peripheral interface (eSPI)
  Four I2C controllers
  Four 2-pin or two 4-pin UARTs
  Integrated Flash controller supporting NAND and NOR flash
Two eight-channel DMA engines
Support for hardware virtualization and partitioning enforcement
QorIQ Platform's Trust Architecture 1.1

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

1 files changed, 237 insertions, 0 deletions

diff --git a/arch/powerpc/cpu/mpc85xx/t4240_serdes.c b/arch/powerpc/cpu/mpc85xx/t4240_serdes.c
new file mode 100644
index 0000000000..102defa560
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/t4240_serdes.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * 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 <asm/fsl_serdes.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include "fsl_corenet2_serdes.h"
+
+struct serdes_config {
+	u32 protocol;
+	u8 lanes[SRDS_MAX_LANES];
+};
+
+static struct serdes_config serdes1_cfg_tbl[] = {
+	/* SerDes 1 */
+	{1, {XAUI_FM1_MAC9, XAUI_FM1_MAC9,
+		XAUI_FM1_MAC9, XAUI_FM1_MAC9,
+		XAUI_FM1_MAC10, XAUI_FM1_MAC10,
+		XAUI_FM1_MAC10, XAUI_FM1_MAC10}},
+	{2, {HIGIG_FM1_MAC9, HIGIG_FM1_MAC9,
+		HIGIG_FM1_MAC9, HIGIG_FM1_MAC9,
+		HIGIG_FM1_MAC10, HIGIG_FM1_MAC10,
+		HIGIG_FM1_MAC10, HIGIG_FM1_MAC10}},
+	{4, {HIGIG_FM1_MAC9, HIGIG_FM1_MAC9,
+		HIGIG_FM1_MAC9, HIGIG_FM1_MAC9,
+		HIGIG_FM1_MAC10, HIGIG_FM1_MAC10,
+		HIGIG_FM1_MAC10, HIGIG_FM1_MAC10}},
+	{28, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6,
+		SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC9,
+		SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
+		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4}},
+	{36, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6,
+		SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC9,
+		SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
+		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4}},
+	{38, {NONE, NONE, QSGMII_FM1_B, NONE,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{40, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6,
+		SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{46, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6,
+		SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{48, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6,
+		SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{}
+};
+static struct serdes_config serdes2_cfg_tbl[] = {
+	/* SerDes 2 */
+	{1, {XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		XAUI_FM2_MAC10, XAUI_FM2_MAC10,
+		XAUI_FM2_MAC10, XAUI_FM2_MAC10}},
+	{2, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC10, HIGIG_FM2_MAC10,
+		HIGIG_FM2_MAC10, HIGIG_FM2_MAC10}},
+	{4, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC10, HIGIG_FM2_MAC10,
+		HIGIG_FM2_MAC10, HIGIG_FM2_MAC10}},
+	{7, {XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{13, {XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{14, {XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{16, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{22, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{23, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{25, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{26, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{28, {SGMII_FM2_DTSEC5, SGMII_FM2_DTSEC6,
+		SGMII_FM2_DTSEC10, SGMII_FM2_DTSEC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{36, {SGMII_FM2_DTSEC5, SGMII_FM2_DTSEC6,
+		SGMII_FM2_DTSEC10, SGMII_FM2_DTSEC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{38, {NONE, NONE, QSGMII_FM2_B, NONE,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{40, {SGMII_FM2_DTSEC5, SGMII_FM2_DTSEC6,
+		SGMII_FM2_DTSEC10, SGMII_FM2_DTSEC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{46, {SGMII_FM2_DTSEC5, SGMII_FM2_DTSEC6,
+		SGMII_FM2_DTSEC10, SGMII_FM2_DTSEC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{48, {SGMII_FM2_DTSEC5, SGMII_FM2_DTSEC6,
+		SGMII_FM2_DTSEC10, SGMII_FM2_DTSEC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{50, {XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		XAUI_FM2_MAC9, XAUI_FM2_MAC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{52, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{54, {HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		HIGIG_FM2_MAC9, HIGIG_FM2_MAC9,
+		NONE, NONE, QSGMII_FM1_A, NONE}},
+	{56, {XFI_FM1_MAC9, XFI_FM1_MAC10,
+		XFI_FM2_MAC10, XFI_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{57, {XFI_FM1_MAC9, XFI_FM1_MAC10,
+		XFI_FM2_MAC10, XFI_FM2_MAC9,
+		SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4}},
+	{}
+};
+static struct serdes_config serdes3_cfg_tbl[] = {
+	/* SerDes 3 */
+	{2, {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1}},
+	{4, {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2}},
+	{6, {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1}},
+	{8, {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, NONE, NONE, NONE}},
+	{9, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN}},
+	{10, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN}},
+	{12, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		PCIE2, PCIE2, PCIE2, PCIE2}},
+	{14, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		PCIE2, PCIE2, PCIE2, PCIE2}},
+	{16, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		SRIO1, SRIO1, SRIO1, SRIO1}},
+	{17, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		SRIO1, SRIO1, SRIO1, SRIO1}},
+	{19, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		SRIO1, SRIO1, SRIO1, SRIO1}},
+	{20, {INTERLAKEN, INTERLAKEN, INTERLAKEN, INTERLAKEN,
+		SRIO1, SRIO1, SRIO1, SRIO1}},
+	{}
+};
+static struct serdes_config serdes4_cfg_tbl[] = {
+	/* SerDes 4 */
+	{2, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3}},
+	{4, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, PCIE4, PCIE4}},
+	{6, {PCIE3, PCIE3, PCIE3, PCIE3, SRIO2, SRIO2, SRIO2, SRIO2}},
+	{8, {PCIE3, PCIE3, PCIE3, PCIE3, SRIO2, SRIO2, SRIO2, SRIO2}},
+	{10, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SATA1, SATA1}},
+	{12, {PCIE3, PCIE3, PCIE3, PCIE3, AURORA, AURORA, SATA1, SATA1}},
+	{14, {PCIE3, PCIE3, PCIE3, PCIE3, AURORA, AURORA, SRIO2, SRIO2}},
+	{16, {PCIE3, PCIE3, PCIE3, PCIE3, AURORA, AURORA, SRIO2, SRIO2}},
+	{18, {PCIE3, PCIE3, PCIE3, PCIE3, AURORA, AURORA, AURORA, AURORA}},
+	{}
+};
+static struct serdes_config *serdes_cfg_tbl[] = {
+	serdes1_cfg_tbl,
+	serdes2_cfg_tbl,
+	serdes3_cfg_tbl,
+	serdes4_cfg_tbl,
+};
+
+enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
+{
+	struct serdes_config *ptr;
+
+	if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
+		return 0;
+
+	ptr = serdes_cfg_tbl[serdes];
+	while (ptr->protocol) {
+		if (ptr->protocol == cfg)
+			return ptr->lanes[lane];
+		ptr++;
+	}
+	return 0;
+}
+
+int is_serdes_prtcl_valid(int serdes, u32 prtcl)
+{
+	int i;
+	struct serdes_config *ptr;
+
+	if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
+		return 0;
+
+	ptr = serdes_cfg_tbl[serdes];
+	while (ptr->protocol) {
+		if (ptr->protocol == prtcl)
+			break;
+		ptr++;
+	}
+
+	if (!ptr->protocol)
+		return 0;
+
+	for (i = 0; i < SRDS_MAX_LANES; i++) {
+		if (ptr->lanes[i] != NONE)
+			return 1;
+	}
+
+	return 0;
+}