diff options
Diffstat (limited to 'plat/sun50iw1p1/scp/arisc.c')
| -rw-r--r-- | plat/sun50iw1p1/scp/arisc.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/plat/sun50iw1p1/scp/arisc.c b/plat/sun50iw1p1/scp/arisc.c deleted file mode 100644 index 1430b7e..0000000 --- a/plat/sun50iw1p1/scp/arisc.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * drivers/arisc/arisc.c - * - * Copyright (c) 2012 Allwinner. - * 2012-10-01 Written by superm (superm@allwinnertech.com). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "arisc_i.h" - -/* local functions */ -static int arisc_wait_ready(unsigned int timeout); - -struct dts_cfg dts_cfg; -unsigned int arisc_debug_dram_crc_en = 0; -unsigned int arisc_debug_dram_crc_srcaddr = 0x40000000; -unsigned int arisc_debug_dram_crc_len = (1024 * 1024); -unsigned int arisc_debug_dram_crc_error = 0; -unsigned int arisc_debug_dram_crc_total_count = 0; -unsigned int arisc_debug_dram_crc_error_count = 0; -volatile const unsigned int arisc_debug_level = 2; -static unsigned char arisc_version[40] = "arisc defualt version"; - -static int arisc_wait_ready(unsigned int timeout) -{ - /* wait arisc startup ready */ - while (1) { - /* - * linux cpu interrupt is disable now, - * we should query message by hand. - */ - struct arisc_message *pmessage = arisc_hwmsgbox_query_message(); - if (pmessage == NULL) { - /* try to query again */ - continue; - } - /* query valid message */ - if (pmessage->type == ARISC_STARTUP_NOTIFY) { - /* check arisc software and driver version match or not */ - if (pmessage->paras[0] != ARISC_VERSIONS) { - ARISC_ERR("arisc firmware:%d and driver version:%u not matched\n", pmessage->paras[0], ARISC_VERSIONS); - return -EINVAL; - } else { - /* printf the main and sub version string */ - memcpy((void *)arisc_version, (const void*)(&(pmessage->paras[1])), 40); - ARISC_LOG("arisc version: [%s]\n", arisc_version); - } - - /* received arisc startup ready message */ - ARISC_INF("arisc startup ready\n"); - if ((pmessage->attr & ARISC_MESSAGE_ATTR_SOFTSYN) || - (pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN)) { - /* synchronous message, just feedback it */ - ARISC_INF("arisc startup notify message feedback\n"); - pmessage->paras[0] = (uint32_t)dts_cfg.image.base; - arisc_hwmsgbox_feedback_message(pmessage, ARISC_SEND_MSG_TIMEOUT); - } else { - /* asyn message, free message directly */ - ARISC_INF("arisc startup notify message free directly\n"); - arisc_message_free(pmessage); - } - break; - } - /* - * invalid message detected, ignore it. - * by superm at 2012-7-6 18:34:38. - */ - ARISC_WRN("arisc startup waiting ignore message\n"); - if ((pmessage->attr & ARISC_MESSAGE_ATTR_SOFTSYN) || - (pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN)) { - /* synchronous message, just feedback it */ - arisc_hwmsgbox_send_message(pmessage, ARISC_SEND_MSG_TIMEOUT); - } else { - /* asyn message, free message directly */ - arisc_message_free(pmessage); - } - /* we need waiting continue */ - } - - return 0; -} - -int sunxi_deassert_arisc(void) -{ - ARISC_INF("set arisc reset to de-assert state\n"); - { - volatile unsigned long value; - value = readl(dts_cfg.cpuscfg.base + 0x0); - value &= ~1; - writel(value, dts_cfg.cpuscfg.base + 0x0); - value = readl(dts_cfg.cpuscfg.base + 0x0); - value |= 1; - writel(value, dts_cfg.cpuscfg.base + 0x0); - } - - return 0; -} - -static int sunxi_arisc_para_init(struct arisc_para *para) -{ - /* init para */ - memset(para, 0, sizeof(struct arisc_para)); - para->message_pool_phys = (uint32_t)dts_cfg.space.msgpool_dst; - para->message_pool_size = (uint32_t)dts_cfg.space.msgpool_size; - para->standby_base = (uint32_t)dts_cfg.space.standby_dst; - para->standby_size = (uint32_t)dts_cfg.space.standby_size; - memcpy((void *)¶->vf, (void *)dts_cfg.vf, sizeof(para->vf)); - memcpy((void *)¶->dram_para, (void *)&dts_cfg.dram_para, sizeof(para->dram_para)); - para->power_key_code = dts_cfg.s_cir.power_key_code; - para->addr_code = dts_cfg.s_cir.addr_code; - para->suart_status = dts_cfg.s_uart.status; - para->pmu_bat_shutdown_ltf = dts_cfg.pmu.pmu_bat_shutdown_ltf; - para->pmu_bat_shutdown_htf = dts_cfg.pmu.pmu_bat_shutdown_htf; - para->pmu_pwroff_vol = dts_cfg.pmu.pmu_pwroff_vol; - para->power_start = dts_cfg.pmu.power_start; - para->powchk_used = dts_cfg.power.powchk_used; - para->power_reg = dts_cfg.power.power_reg; - para->system_power = dts_cfg.power.system_power; - - ARISC_LOG("arisc_para size:%llx\n", sizeof(struct arisc_para)); - ARISC_INF("msgpool base:%x, size:%u\n", para->message_pool_phys, - para->message_pool_size); - - return 0; -} - -uint32_t sunxi_load_arisc(uintptr_t image_addr, size_t image_size, void *para, size_t para_size) -{ - void *dst; - void *src; - size_t size; - -#if 0 - /* - * phys addr to virt addr - * io space: ioremap - * kernel space: phys_to_virt - */ - /* sram code space */ - dst = (void *)dts_cfg.space.sram_dst; - src = (void *)((ptrdiff_t)image_addr + (ptrdiff_t)dts_cfg.space.sram_offset); - size = dts_cfg.space.sram_size; - memset(dst, 0, size); - memcpy(dst, src, size); - flush_dcache_range((uint64_t)dst, (uint64_t)size); - - /* dram code space */ - dst = (void *)dts_cfg.space.dram_dst; - src = (void *)((ptrdiff_t)image_addr + (ptrdiff_t)dts_cfg.space.dram_offset); - size = dts_cfg.space.dram_size; - memset(dst, 0, size); - memcpy(dst, src, size); - flush_dcache_range((uint64_t)dst, (uint64_t)size); - - ARISC_INF("load arisc image finish\n"); -#endif - /* para space */ - dst = (void *)dts_cfg.space.para_dst; - src = para; - size = dts_cfg.space.para_size; - memset(dst, 0, size); - memcpy(dst, src, size); - ARISC_INF("setup arisc para finish\n"); - //dcsw_op_all(DCCISW); - flush_dcache_range((uint64_t)dst, (uint64_t)size); - isb(); - -#if 0 - /* relese arisc reset */ - sunxi_deassert_arisc(); - ARISC_INF("release arisc reset finish\n"); - - ARISC_INF("load arisc finish\n"); -#endif - - return 0; -} - -int sunxi_arisc_probe(void *cfg) -{ - struct arisc_para para; - - ARISC_LOG("sunxi-arisc driver begin startup %d\n", arisc_debug_level); - memcpy((void *)&dts_cfg, (const void *)cfg, sizeof(struct dts_cfg)); - - /* init arisc parameter */ - sunxi_arisc_para_init(¶); - - /* load arisc */ - sunxi_load_arisc(dts_cfg.image.base, dts_cfg.image.size, - (void *)(¶), sizeof(struct arisc_para)); - - /* initialize hwspinlock */ - ARISC_INF("hwspinlock initialize\n"); - arisc_hwspinlock_init(); - - /* initialize hwmsgbox */ - ARISC_INF("hwmsgbox initialize\n"); - arisc_hwmsgbox_init(); - - /* initialize message manager */ - ARISC_INF("message manager initialize start:0x%llx, size:0x%llx\n", dts_cfg.space.msgpool_dst, dts_cfg.space.msgpool_size); - arisc_message_manager_init((void *)dts_cfg.space.msgpool_dst, dts_cfg.space.msgpool_size); - - /* wait arisc ready */ - ARISC_INF("wait arisc ready....\n"); - if (arisc_wait_ready(10000)) { - ARISC_LOG("arisc startup failed\n"); - } - - arisc_set_paras(); - - /* enable arisc asyn tx interrupt */ - //arisc_hwmsgbox_enable_receiver_int(ARISC_HWMSGBOX_ARISC_ASYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327); - - /* enable arisc syn tx interrupt */ - //arisc_hwmsgbox_enable_receiver_int(ARISC_HWMSGBOX_ARISC_SYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327); - - /* arisc initialize succeeded */ - ARISC_LOG("sunxi-arisc driver v%s is starting\n", DRV_VERSION); - - return 0; -} - -int sunxi_arisc_wait_ready(void) -{ - ARISC_INF("wait arisc ready....\n"); - if (arisc_wait_ready(10000)) { - ARISC_LOG("arisc startup failed\n"); - } - arisc_set_paras(); - ARISC_LOG("sunxi-arisc driver v%s startup ok\n", DRV_VERSION); - return 0; -} - |