lantiq: drop kernel 4.4 support

Signed-off-by: Mathias Kresin <dev@kresin.me>

1 files changed, 0 insertions, 180 deletions

diff --git a/target/linux/lantiq/patches-4.4/0152-lantiq-VPE.patch b/target/linux/lantiq/patches-4.4/0152-lantiq-VPE.patch
deleted file mode 100644
index 95a190c348..0000000000
--- a/target/linux/lantiq/patches-4.4/0152-lantiq-VPE.patch
+++ /dev/null
@@ -1,180 +0,0 @@
---- a/arch/mips/Kconfig
-+++ b/arch/mips/Kconfig
-@@ -2221,6 +2221,12 @@ config MIPS_VPE_LOADER
- 	  Includes a loader for loading an elf relocatable object
- 	  onto another VPE and running it.
- 
-+config IFX_VPE_EXT
-+	bool "IFX APRP Extensions"
-+	depends on MIPS_VPE_LOADER
-+	help
-+	  IFX included extensions in APRP
-+
- config MIPS_VPE_LOADER_CMP
- 	bool
- 	default "y"
---- a/arch/mips/include/asm/vpe.h
-+++ b/arch/mips/include/asm/vpe.h
-@@ -127,4 +127,13 @@ void cleanup_tc(struct tc *tc);
- 
- int __init vpe_module_init(void);
- void __exit vpe_module_exit(void);
-+
-+/* For the explanation of the APIs please refer the section "MT APRP Kernel
-+ * Programming" in AR9 SW Architecture Specification
-+ */
-+int32_t vpe1_sw_start(void *sw_start_addr, uint32_t tcmask, uint32_t flags);
-+int32_t vpe1_sw_stop(uint32_t flags);
-+uint32_t vpe1_get_load_addr(uint32_t flags);
-+uint32_t vpe1_get_max_mem(uint32_t flags);
-+
- #endif /* _ASM_VPE_H */
---- a/arch/mips/kernel/vpe-mt.c
-+++ b/arch/mips/kernel/vpe-mt.c
-@@ -29,6 +29,7 @@ int vpe_run(struct vpe *v)
- 	struct vpe_notifications *notifier;
- 	unsigned int vpeflags;
- 	struct tc *t;
-+	unsigned long physical_memsize = 0L;
- 
- 	/* check we are the Master VPE */
- 	local_irq_save(flags);
-@@ -417,6 +418,8 @@ int __init vpe_module_init(void)
- 			}
- 
- 			v->ntcs = hw_tcs - aprp_cpu_index();
-+			write_tc_c0_tcbind((read_tc_c0_tcbind() &
-+						~TCBIND_CURVPE) | 1);
- 
- 			/* add the tc to the list of this vpe's tc's. */
- 			list_add(&t->tc, &v->tc);
-@@ -519,3 +522,47 @@ void __exit vpe_module_exit(void)
- 			release_vpe(v);
- 	}
- }
-+
-+#ifdef CONFIG_IFX_VPE_EXT
-+int32_t vpe1_sw_start(void *sw_start_addr, uint32_t tcmask, uint32_t flags)
-+{
-+	enum vpe_state state;
-+	struct vpe *v = get_vpe(tclimit);
-+	struct vpe_notifications *not;
-+
-+	if (tcmask || flags) {
-+		pr_warn("Currently tcmask and flags should be 0. Other values are not supported\n");
-+		return -1;
-+	}
-+
-+	state = xchg(&v->state, VPE_STATE_INUSE);
-+	if (state != VPE_STATE_UNUSED) {
-+		vpe_stop(v);
-+
-+		list_for_each_entry(not, &v->notify, list) {
-+			not->stop(tclimit);
-+		}
-+	}
-+
-+	v->__start = (unsigned long)sw_start_addr;
-+
-+	if (!vpe_run(v)) {
-+		pr_debug("VPE loader: VPE1 running successfully\n");
-+		return 0;
-+	}
-+	return -1;
-+}
-+EXPORT_SYMBOL(vpe1_sw_start);
-+
-+int32_t vpe1_sw_stop(uint32_t flags)
-+{
-+	struct vpe *v = get_vpe(tclimit);
-+
-+	if (!vpe_free(v)) {
-+		pr_debug("RP Stopped\n");
-+		return 0;
-+	} else
-+		return -1;
-+}
-+EXPORT_SYMBOL(vpe1_sw_stop);
-+#endif
---- a/arch/mips/kernel/vpe.c
-+++ b/arch/mips/kernel/vpe.c
-@@ -49,6 +49,41 @@ struct vpe_control vpecontrol = {
- 	.tc_list	= LIST_HEAD_INIT(vpecontrol.tc_list)
- };
- 
-+#ifdef CONFIG_IFX_VPE_EXT
-+unsigned int vpe1_load_addr;
-+
-+static int __init load_address(char *str)
-+{
-+	get_option(&str, &vpe1_load_addr);
-+	return 1;
-+}
-+__setup("vpe1_load_addr=", load_address);
-+
-+static unsigned int vpe1_mem;
-+static int __init vpe1mem(char *str)
-+{
-+	vpe1_mem = memparse(str, &str);
-+	return 1;
-+}
-+__setup("vpe1_mem=", vpe1mem);
-+
-+uint32_t vpe1_get_load_addr(uint32_t flags)
-+{
-+	return vpe1_load_addr;
-+}
-+EXPORT_SYMBOL(vpe1_get_load_addr);
-+
-+uint32_t vpe1_get_max_mem(uint32_t flags)
-+{
-+	if (!vpe1_mem)
-+		return P_SIZE;
-+	else
-+		return vpe1_mem;
-+}
-+EXPORT_SYMBOL(vpe1_get_max_mem);
-+
-+#endif
-+
- /* get the vpe associated with this minor */
- struct vpe *get_vpe(int minor)
- {
---- a/arch/mips/lantiq/prom.c
-+++ b/arch/mips/lantiq/prom.c
-@@ -31,10 +31,14 @@ EXPORT_SYMBOL_GPL(ebu_lock);
-  */
- static struct ltq_soc_info soc_info;
- 
-+/* for Multithreading (APRP), vpe.c will use it */
-+unsigned long cp0_memsize;
-+
- const char *get_system_type(void)
- {
- 	return soc_info.sys_type;
- }
-+EXPORT_SYMBOL(ltq_soc_type);
- 
- int ltq_soc_type(void)
- {
---- a/arch/mips/include/asm/mipsmtregs.h
-+++ b/arch/mips/include/asm/mipsmtregs.h
-@@ -31,6 +31,9 @@
- #define read_c0_vpeconf1()		__read_32bit_c0_register($1, 3)
- #define write_c0_vpeconf1(val)		__write_32bit_c0_register($1, 3, val)
- 
-+#define read_c0_vpeopt()		__read_32bit_c0_register($1, 7)
-+#define write_c0_vpeopt(val)		__write_32bit_c0_register($1, 7, val)
-+
- #define read_c0_tcstatus()		__read_32bit_c0_register($2, 1)
- #define write_c0_tcstatus(val)		__write_32bit_c0_register($2, 1, val)
- 
-@@ -376,6 +379,8 @@ do {									\
- #define write_vpe_c0_vpeconf0(val)	mttc0(1, 2, val)
- #define read_vpe_c0_vpeconf1()		mftc0(1, 3)
- #define write_vpe_c0_vpeconf1(val)	mttc0(1, 3, val)
-+#define read_vpe_c0_vpeopt()		mftc0(1, 7)
-+#define write_vpe_c0_vpeopt(val)	mttc0(1, 7, val)
- #define read_vpe_c0_count()		mftc0(9, 0)
- #define write_vpe_c0_count(val)		mttc0(9, 0, val)
- #define read_vpe_c0_status()		mftc0(12, 0)