armv8: fsl-layerscape: Support to add RGMII for ls1088aqds

This patch adds support RGMII protocol

NXP's LDPAA2 support RGMII protocol. LS1088A is the
first Soc supporting both RGMII and SGMII.

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Signed-off-by: Amrita Kumari <amrita.kumari@nxp.com>
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>

4 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 3a26e88..48812b9 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -68,6 +68,8 @@ config ARCH_LS1088A
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_LE
 	select SYS_FSL_DDR_VER_50
+	select SYS_FSL_EC1
+	select SYS_FSL_EC2
 	select SYS_FSL_ERRATUM_A009803
 	select SYS_FSL_ERRATUM_A009942
 	select SYS_FSL_ERRATUM_A010165
@@ -75,6 +77,7 @@ config ARCH_LS1088A
 	select SYS_FSL_ERRATUM_A008850
 	select SYS_FSL_HAS_CCI400
 	select SYS_FSL_HAS_DDR4
+	select SYS_FSL_HAS_RGMII
 	select SYS_FSL_HAS_SEC
 	select SYS_FSL_SEC_COMPAT_5
 	select SYS_FSL_SEC_LE
@@ -427,6 +430,18 @@ config RESV_RAM
 	  be at the high end of physical memory. The reserve RAM may be
 	  excluded from memory bank(s) passed to OS, or marked as reserved.
 
+config SYS_FSL_EC1
+	bool
+	help
+	  Ethernet controller 1, this is connected to MAC3.
+	  Provides DPAA2 capabilities
+
+config SYS_FSL_EC2
+	bool
+	help
+	  Ethernet controller 2, this is connected to MAC4.
+	  Provides DPAA2 capabilities
+
 config SYS_FSL_ERRATUM_A008336
 	bool
 
@@ -463,6 +478,12 @@ config SYS_FSL_ERRATUM_A009798
 config SYS_FSL_ERRATUM_A009008
 	bool
 
+
+config SYS_FSL_HAS_RGMII
+	bool
+	depends on SYS_FSL_EC1 || SYS_FSL_EC2
+
+
 config SYS_MC_RSV_MEM_ALIGN
 	hex "Management Complex reserved memory alignment"
 	depends on RESV_RAM
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index ec58065..3c9a5ed 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -517,6 +517,10 @@ int arch_early_init_r(void)
 			printf("Did not wake secondary cores\n");
 	}
 
+#ifdef CONFIG_SYS_FSL_HAS_RGMII
+	fsl_rgmii_init();
+#endif
+
 #ifdef CONFIG_SYS_HAS_SERDES
 	fsl_serdes_init();
 #endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
index a2c7578..12fd6b8 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
@@ -159,6 +159,7 @@ 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);
 int serdes_get_number(int serdes, int cfg);
+void fsl_rgmii_init(void);
 
 #ifdef CONFIG_FSL_LSCH2
 const char *serdes_clock_to_string(u32 clock);
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index 18e75dc..647bc9c 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -260,6 +260,12 @@ struct ccsr_gur {
 #define FSL_CHASSIS3_SRDS1_REGSR	29
 #define FSL_CHASSIS3_SRDS2_REGSR	29
 #elif defined(CONFIG_ARCH_LS1088A)
+#define FSL_CHASSIS3_EC1_REGSR  26
+#define FSL_CHASSIS3_EC2_REGSR  26
+#define FSL_CHASSIS3_RCWSR25_EC1_PRTCL_MASK     0x00000007
+#define FSL_CHASSIS3_RCWSR25_EC1_PRTCL_SHIFT    0
+#define FSL_CHASSIS3_RCWSR25_EC2_PRTCL_MASK     0x00000038
+#define FSL_CHASSIS3_RCWSR25_EC2_PRTCL_SHIFT    3
 #define	FSL_CHASSIS3_RCWSR29_SRDS1_PRTCL_MASK	0xFFFF0000
 #define	FSL_CHASSIS3_RCWSR29_SRDS1_PRTCL_SHIFT	16
 #define	FSL_CHASSIS3_RCWSR30_SRDS2_PRTCL_MASK	0x0000FFFF