diff options
Diffstat (limited to 'middleware/multicore/open-amp/porting/imx7d_m4/platform_info.c')
| -rw-r--r-- | middleware/multicore/open-amp/porting/imx7d_m4/platform_info.c | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/middleware/multicore/open-amp/porting/imx7d_m4/platform_info.c b/middleware/multicore/open-amp/porting/imx7d_m4/platform_info.c index aaef04f..4aa2c4a 100644 --- a/middleware/multicore/open-amp/porting/imx7d_m4/platform_info.c +++ b/middleware/multicore/open-amp/porting/imx7d_m4/platform_info.c @@ -1,6 +1,5 @@ /* - * Copyright (c) 2015, Freescale Corporation - * All rights reserved. + * Copyright (c) 2015 Freescale Semiconductor, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -10,7 +9,7 @@ * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. - * 3. Neither the name of Mentor Graphics Corporation nor the names of its + * 3. Neither the name of Freescale Semiconductor nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * @@ -35,20 +34,20 @@ * DESCRIPTION * * This file implements APIs to get platform specific - * information for OpenAMP. + * information for OpenAMP. * **************************************************************************/ #include "platform.h" -#include "../../rpmsg/rpmsg.h" +#include "rpmsg/rpmsg.h" -/* Reference implementation that show cases platform_get_cpu_info and +/* Reference implementation that show cases platform_get_cpu_info and platform_get_for_firmware API implementation for Bare metal environment */ extern struct hil_platform_ops proc_ops; /* - * Linux requirems the ALIGN to 0x1000 instead of 0x80 + * Linux requires the ALIGN to 0x1000(4KB) instead of 0x80 */ #define VRING_ALIGN 0x1000 @@ -58,14 +57,6 @@ extern struct hil_platform_ops proc_ops; #define VRING0_BASE 0xBFFF0000 #define VRING1_BASE 0xBFFF8000 -/* - * 32 MSG (16 rx, 16 tx), 512 bytes each, it is only used when RPMSG driver is working in master mode, otherwise - * the share memory is managed by the other side. - * When working with Linux, SHM_ADDR and SHM_SIZE is not used - */ -#define SHM_ADDR 0 -#define SHM_SIZE 0 - /* IPI_VECT here defines VRING index in MU */ #define VRING0_IPI_VECT 0 #define VRING1_IPI_VECT 1 @@ -74,10 +65,10 @@ extern struct hil_platform_ops proc_ops; #define REMOTE_CPU_ID 1 /** - * This array provdes defnition of CPU nodes for master and remote - * context. It contains two nodes beacuse the same file is intended + * This array provides definition of CPU nodes for master and remote + * context. It contains two nodes because the same file is intended * to use with both master and remote configurations. On zynq platform - * only one node defintion is required for master/remote as there + * only one node definition is required for master/remote as there * are only two cores present in the platform. * * Only platform specific info is populated here. Rest of information @@ -90,7 +81,7 @@ extern struct hil_platform_ops proc_ops; * -Channel info. * * Although the channel info is not platform specific information - * but it is conveneient to keep it in HIL so that user can easily + * but it is convenient to keep it in HIL so that user can easily * provide it without modifying the generic part. * * It is good idea to define hil_proc structure with platform @@ -108,10 +99,10 @@ extern struct hil_platform_ops proc_ops; * * 2)Second node is required by the master and it defines remote CPU ID, * shared memory and interrupts info. In general no channel info is required by the - * Master node, however in baremetal master and linux remote case the linux + * Master node, however in bare-metal master and linux remote case the linux * rpmsg bus driver behaves as master so the rpmsg driver on linux side still needs - * channel info. This information is not required by the masters for baremetal - * remotes. + * channel info. This information is not required by the masters for bare-metal + * remotes. * */ struct hil_proc proc_table []= @@ -133,7 +124,7 @@ struct hil_proc proc_table []= /* Vring info */ /*struct proc_vring*/ { /*[0]*/ - { /* TX */ + { /* TX */ NULL, (void*)VRING0_BASE/*phy_addr*/, 256/*num_descs*/, VRING_ALIGN/*align*/, /*struct virtqueue, phys_addr, num_descs, align*/ { @@ -228,10 +219,13 @@ struct hil_proc proc_table []= * * return - status of execution */ -int platform_get_processor_info(struct hil_proc *proc , int cpu_id) { +int platform_get_processor_info(struct hil_proc *proc , int cpu_id) +{ int idx; - for(idx = 0; idx < sizeof(proc_table)/sizeof(struct hil_proc); idx++) { - if((cpu_id == HIL_RSVD_CPU_ID) || (proc_table[idx].cpu_id == cpu_id) ) { + for(idx = 0; idx < sizeof(proc_table)/sizeof(struct hil_proc); idx++) + { + if((cpu_id == HIL_RSVD_CPU_ID) || (proc_table[idx].cpu_id == cpu_id)) + { env_memcpy(proc,&proc_table[idx], sizeof(struct hil_proc)); return 0; } @@ -239,7 +233,7 @@ int platform_get_processor_info(struct hil_proc *proc , int cpu_id) { return -1; } -int platform_get_processor_for_fw(char *fw_name) { - +int platform_get_processor_for_fw(char *fw_name) +{ return 1; } |