diff options
Diffstat (limited to 'target/linux/lantiq/patches-4.14/0152-lantiq-VPE.patch')
| -rw-r--r-- | target/linux/lantiq/patches-4.14/0152-lantiq-VPE.patch | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/target/linux/lantiq/patches-4.14/0152-lantiq-VPE.patch b/target/linux/lantiq/patches-4.14/0152-lantiq-VPE.patch deleted file mode 100644 index b0b5bd3a57..0000000000 --- a/target/linux/lantiq/patches-4.14/0152-lantiq-VPE.patch +++ /dev/null @@ -1,180 +0,0 @@ ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -2327,6 +2327,12 @@ 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 -@@ -37,10 +37,14 @@ unsigned long physical_memsize = 0L; - */ - 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 -@@ -32,6 +32,9 @@ - #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) - -@@ -377,6 +380,8 @@ 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) |