From 7dc29156fee5d4ae30f65f4c82e8cefde763fe40 Mon Sep 17 00:00:00 2001 From: ntfreak Date: Tue, 2 Jun 2009 21:06:12 +0000 Subject: - change signature for adi_jtag_dp_scan and adi_jtag_dp_scan_u32 to use swjdp_common_t *swjdp instead of arm_jtag_t *jtag_info - change SWJDP_IR/DR_APACC to DAP_IR/DR_APACC to conform with ARM_ADI docs. - add swjdp->memaccess_tck field and code for extra tck clocks before accessing memory bus - Set default memaccess value to 8 for Cortex-M3. - Add dap memaccess command. - document all armv7 dap cmds. - Original patch submitted by Magnus Lundin [lundin@mlu.mine.nu]. git-svn-id: svn://svn.berlios.de/openocd/trunk@2005 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/cortex_m3.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'src/target/cortex_m3.c') diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index 68a23c0f..40aadea2 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -1564,9 +1564,12 @@ int cortex_m3_handle_target_request(void *priv) int cortex_m3_init_arch_info(target_t *target, cortex_m3_common_t *cortex_m3, jtag_tap_t *tap) { + int retval; armv7m_common_t *armv7m; armv7m = &cortex_m3->armv7m; + armv7m_init_arch_info(target, armv7m); + /* prepare JTAG information for the new target */ cortex_m3->jtag_info.tap = tap; cortex_m3->jtag_info.scann_size = 4; @@ -1575,6 +1578,7 @@ int cortex_m3_init_arch_info(target_t *target, cortex_m3_common_t *cortex_m3, jt armv7m->swjdp_info.ap_csw_value = -1; armv7m->swjdp_info.ap_tar_value = -1; armv7m->swjdp_info.jtag_info = &cortex_m3->jtag_info; + armv7m->swjdp_info.memaccess_tck = 8; /* initialize arch-specific breakpoint handling */ @@ -1590,13 +1594,17 @@ int cortex_m3_init_arch_info(target_t *target, cortex_m3_common_t *cortex_m3, jt armv7m->pre_restore_context = NULL; armv7m->post_restore_context = NULL; - armv7m_init_arch_info(target, armv7m); armv7m->arch_info = cortex_m3; armv7m->load_core_reg_u32 = cortex_m3_load_core_reg_u32; armv7m->store_core_reg_u32 = cortex_m3_store_core_reg_u32; target_register_timer_callback(cortex_m3_handle_target_request, 1, 1, target); + if ((retval = arm_jtag_setup_connection(&cortex_m3->jtag_info)) != ERROR_OK) + { + return retval; + } + return ERROR_OK; } -- cgit v1.2.3