octeon: add support for kernel 4.14

Tested on EdgeRouter Lite.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

4 files changed, 143 insertions, 0 deletions

diff --git a/target/linux/octeon/patches-4.14/100-ubnt_edgerouter2_support.patch b/target/linux/octeon/patches-4.14/100-ubnt_edgerouter2_support.patch
new file mode 100644
index 0000000000..991eb56ce2
--- /dev/null
+++ b/target/linux/octeon/patches-4.14/100-ubnt_edgerouter2_support.patch
@@ -0,0 +1,31 @@
+--- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
++++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+@@ -295,6 +295,8 @@ enum cvmx_board_types_enum {
+ 	 */
+ 	CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
+ 	CVMX_BOARD_TYPE_UBNT_E100 = 20002,
++	CVMX_BOARD_TYPE_UBNT_E200 = 20003,
++	CVMX_BOARD_TYPE_UBNT_E220 = 20005,
+ 	CVMX_BOARD_TYPE_CUST_DSR1000N = 20006,
+ 	CVMX_BOARD_TYPE_KONTRON_S1901 = 21901,
+ 	CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,
+@@ -396,6 +398,8 @@ static inline const char *cvmx_board_typ
+ 		    /* Customer private range */
+ 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
+ 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
++		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E200)
++		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E220)
+ 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
+ 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
+ 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
+--- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
++++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
+@@ -173,6 +173,8 @@ int cvmx_helper_board_get_mii_address(in
+ 			return 7 - ipd_port;
+ 		else
+ 			return -1;
++	case CVMX_BOARD_TYPE_UBNT_E200:
++		return -1;
+ 	case CVMX_BOARD_TYPE_KONTRON_S1901:
+ 		if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT)
+ 			return 1;
diff --git a/target/linux/octeon/patches-4.14/110-er200-ethernet_probe_order.patch b/target/linux/octeon/patches-4.14/110-er200-ethernet_probe_order.patch
new file mode 100644
index 0000000000..1df3f6a675
--- /dev/null
+++ b/target/linux/octeon/patches-4.14/110-er200-ethernet_probe_order.patch
@@ -0,0 +1,34 @@
+--- a/drivers/staging/octeon/ethernet.c
++++ b/drivers/staging/octeon/ethernet.c
+@@ -684,6 +684,7 @@ static int cvm_oct_probe(struct platform
+ 	int interface;
+ 	int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE;
+ 	int qos;
++	int i;
+ 	struct device_node *pip;
+ 
+ 	octeon_mdiobus_force_mod_depencency();
+@@ -800,13 +801,19 @@ static int cvm_oct_probe(struct platform
+ 	}
+ 
+ 	num_interfaces = cvmx_helper_get_number_of_interfaces();
+-	for (interface = 0; interface < num_interfaces; interface++) {
+-		cvmx_helper_interface_mode_t imode =
+-		    cvmx_helper_interface_get_mode(interface);
+-		int num_ports = cvmx_helper_ports_on_interface(interface);
++	for (i = 0; i < num_interfaces; i++) {
++		cvmx_helper_interface_mode_t imode;
++		int interface;
++		int num_ports;
+ 		int port;
+ 		int port_index;
+ 
++		interface = i;
++		if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_UBNT_E200)
++			interface = num_interfaces - (i + 1);
++
++		num_ports = cvmx_helper_ports_on_interface(interface);
++		imode = cvmx_helper_interface_get_mode(interface);
+ 		for (port_index = 0,
+ 		     port = cvmx_helper_get_ipd_port(interface, 0);
+ 		     port < cvmx_helper_get_ipd_port(interface, num_ports);
diff --git a/target/linux/octeon/patches-4.14/160-cmdline-hack.patch b/target/linux/octeon/patches-4.14/160-cmdline-hack.patch
new file mode 100644
index 0000000000..2a4ad1dc73
--- /dev/null
+++ b/target/linux/octeon/patches-4.14/160-cmdline-hack.patch
@@ -0,0 +1,47 @@
+--- a/arch/mips/cavium-octeon/setup.c
++++ b/arch/mips/cavium-octeon/setup.c
+@@ -656,6 +656,35 @@ void octeon_user_io_init(void)
+ 	write_c0_derraddr1(0);
+ }
+ 
++#ifdef CONFIG_IMAGE_CMDLINE_HACK
++extern char __image_cmdline[];
++
++static int __init octeon_use_image_cmdline(void)
++{
++       char *p = __image_cmdline;
++       int replace = 0;
++
++       if (*p == '-') {
++               replace = 1;
++               p++;
++       }
++
++       if (*p == '\0')
++               return 0;
++
++       if (replace) {
++               strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
++       } else {
++               strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
++               strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
++       }
++
++       return 1;
++}
++#else
++static inline int octeon_use_image_cmdline(void) { return 0; }
++#endif
++
+ /**
+  * Early entry point for arch setup
+  */
+@@ -900,6 +929,8 @@ void __init prom_init(void)
+ 		}
+ 	}
+ 
++	octeon_use_image_cmdline();
++
+ 	if (strstr(arcs_cmdline, "console=") == NULL) {
+ #ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
+ 		strcat(arcs_cmdline, " console=ttyS0,115200");
diff --git a/target/linux/octeon/patches-4.14/170-cisco-hack.patch b/target/linux/octeon/patches-4.14/170-cisco-hack.patch
new file mode 100644
index 0000000000..124bcfd7a7
--- /dev/null
+++ b/target/linux/octeon/patches-4.14/170-cisco-hack.patch
@@ -0,0 +1,31 @@
+From patchwork Wed Jun  8 13:49:26 2016
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
+Subject: [LEDE-DEV] cavium: Ignore MEM boot param when too small
+From: =?utf-8?q?Micha=C5=82_Osowiecki?= <michal.osowiecki@gmail.com>
+X-Patchwork-Id: 632273
+Message-Id: <57582266.8020105@gmail.com>
+To: lede-dev@lists.infradead.org
+Date: Wed, 8 Jun 2016 15:49:26 +0200
+
+Cisco RV0XX u-boot sets MEM=2048 as boot param. We assume that at least 
+4MB (mem_alloc_size) of ram is needed to run linux on cavium boards, so 
+if mem < 4M - ignore it and set default value
+
+
+Signed-off-by: Michał Osowiecki <michal.osowiecki@gmail.com>
+
+--- a/arch/mips/cavium-octeon/setup.c
++++ b/arch/mips/cavium-octeon/setup.c
+@@ -1005,6 +1005,10 @@ void __init plat_mem_setup(void)
+ 	if (mem_alloc_size > max_memory)
+ 		mem_alloc_size = max_memory;
+ 
++	/* Ignore bootarg MEM <= 4MB - cisco uses a b0rked uboot env on their products */
++	if (max_memory <= mem_alloc_size)
++		max_memory = 512ull << 20;
++
+ /* Crashkernel ignores bootmem list. It relies on mem=X@Y option */
+ #ifdef CONFIG_CRASH_DUMP
+ 	add_memory_region(reserve_low_mem, max_memory, BOOT_MEM_RAM);