armv8: Add SerDes framework for Layerscape Architecture

Add support of SerDes framework for Layerscape Architecture.
    - Add support of 2 SerDes block
    - Add SerDes protocol parsing and detection
    - Create table of SerDes protocol supported by LS2085A

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

3 files changed, 76 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-fsl-lsch3/config.h b/arch/arm/include/asm/arch-fsl-lsch3/config.h
index a81e3edafd..98db1ef179 100644
--- a/arch/arm/include/asm/arch-fsl-lsch3/config.h
+++ b/arch/arm/include/asm/arch-fsl-lsch3/config.h
@@ -38,6 +38,8 @@
 #define CONFIG_SYS_FSL_PMU_CLTBENR		(CONFIG_SYS_FSL_PMU_ADDR + \
 						 0x18A0)
 
+#define CONFIG_SYS_FSL_LSCH3_SERDES_ADDR	(CONFIG_SYS_IMMR + 0xEA0000)
+
 /* SP (Cortex-A5) related */
 #define CONFIG_SYS_FSL_SP_ADDR			(CONFIG_SYS_IMMR + 0x00F00000)
 #define CONFIG_SYS_FSL_SP_VSG_GIC_ADDR		(CONFIG_SYS_FSL_SP_ADDR)
@@ -133,6 +135,8 @@
 #define CONFIG_SYS_FSL_IFC_BANK_COUNT		8
 #define CONFIG_NUM_DDR_CONTROLLERS		3
 #define CONFIG_SYS_FSL_CLUSTER_CLOCKS		{ 1, 1, 4, 4 }
+#define CONFIG_SYS_FSL_SRDS_1
+#define CONFIG_SYS_FSL_SRDS_2
 #else
 #error SoC not defined
 #endif
diff --git a/arch/arm/include/asm/arch-fsl-lsch3/fsl_serdes.h b/arch/arm/include/asm/arch-fsl-lsch3/fsl_serdes.h
new file mode 100644
index 0000000000..2810f3f6d9
--- /dev/null
+++ b/arch/arm/include/asm/arch-fsl-lsch3/fsl_serdes.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __FSL_SERDES_H
+#define __FSL_SERDES_H
+
+#include <config.h>
+
+#define	SRDS_MAX_LANES	8
+
+enum srds_prtcl {
+	NONE = 0,
+	PCIE1,
+	PCIE2,
+	PCIE3,
+	PCIE4,
+	SATA1,
+	SATA2,
+	XAUI1,
+	XAUI2,
+	XFI1,
+	XFI2,
+	XFI3,
+	XFI4,
+	XFI5,
+	XFI6,
+	XFI7,
+	XFI8,
+	SGMII1,
+	SGMII2,
+	SGMII3,
+	SGMII4,
+	SGMII5,
+	SGMII6,
+	SGMII7,
+	SGMII8,
+	SGMII9,
+	SGMII10,
+	SGMII11,
+	SGMII12,
+	SGMII13,
+	SGMII14,
+	SGMII15,
+	SGMII16,
+	QSGMII_A, /* A indicates MACs 1-4 */
+	QSGMII_B, /* B indicates MACs 5-8 */
+	QSGMII_C, /* C indicates MACs 9-12 */
+	QSGMII_D, /* D indicates MACs 12-16 */
+	SERDES_PRCTL_COUNT
+};
+
+enum srds {
+	FSL_SRDS_1  = 0,
+	FSL_SRDS_2  = 1,
+};
+
+int is_serdes_configured(enum srds_prtcl device);
+void fsl_serdes_init(void);
+
+int serdes_get_first_lane(u32 sd, enum srds_prtcl device);
+enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane);
+int is_serdes_prtcl_valid(int serdes, u32 prtcl);
+
+#endif /* __FSL_SERDES_H */
diff --git a/arch/arm/include/asm/arch-fsl-lsch3/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-lsch3/immap_lsch3.h
index dd11ef79c8..91cf68b689 100644
--- a/arch/arm/include/asm/arch-fsl-lsch3/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-lsch3/immap_lsch3.h
@@ -63,6 +63,11 @@ struct ccsr_gur {
 #define FSL_CHASSIS3_RCWSR0_MEM_PLL_RAT_MASK	0x3f
 #define FSL_CHASSIS3_RCWSR0_MEM2_PLL_RAT_SHIFT	18
 #define FSL_CHASSIS3_RCWSR0_MEM2_PLL_RAT_MASK	0x3f
+#define	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK	0x00FF0000
+#define	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT	16
+#define	FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK	0xFF000000
+#define	FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT	24
+
 	u8	res_180[0x200-0x180];
 	u32	scratchrw[32];	/* Scratch Read/Write */
 	u8	res_280[0x300-0x280];