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cortex_a : optimize apb read/write access.

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Rewrite: Adheres more closely to 'fast read/write' examples in TRM.
up to 50x faster

Change-Id: Ieb4da57d8367628f3e7306827a5b1f0ab550e641
Signed-off-by: Evan Hunter <ehunter@broadcom.com>
Reviewed-on: http://openocd.zylin.com/903
Tested-by: jenkins
Reviewed-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Evan Hunter
2012-10-23 15:48:41 +11:00
committed by Spencer Oliver
parent 700e7605fe
commit 927e53f8d5
6 changed files with 375 additions and 100 deletions
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10
src/target/arm_adi_v5.h
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@@ -374,14 +374,14 @@ int mem_ap_read_buf_u8(struct adiv5_dap *swjdp,
int mem_ap_read_buf_u16(struct adiv5_dap *swjdp,
uint8_t *buffer, int count, uint32_t address);
int mem_ap_read_buf_u32(struct adiv5_dap *swjdp,
uint8_t *buffer, int count, uint32_t address);
uint8_t *buffer, int count, uint32_t address, bool addr_incr);
int mem_ap_write_buf_u8(struct adiv5_dap *swjdp,
const uint8_t *buffer, int count, uint32_t address);
int mem_ap_write_buf_u16(struct adiv5_dap *swjdp,
const uint8_t *buffer, int count, uint32_t address);
int mem_ap_write_buf_u32(struct adiv5_dap *swjdp,
const uint8_t *buffer, int count, uint32_t address);
const uint8_t *buffer, int count, uint32_t address, bool addr_incr);
/* Queued MEM-AP memory mapped single word transfers with selection of ap */
int mem_ap_sel_read_u32(struct adiv5_dap *swjdp, uint8_t ap,
@@ -395,6 +395,12 @@ int mem_ap_sel_read_atomic_u32(struct adiv5_dap *swjdp, uint8_t ap,
int mem_ap_sel_write_atomic_u32(struct adiv5_dap *swjdp, uint8_t ap,
uint32_t address, uint32_t value);
/* Non incrementing buffer functions for accessing fifos */
int mem_ap_sel_read_buf_u32_noincr(struct adiv5_dap *swjdp, uint8_t ap,
uint8_t *buffer, int count, uint32_t address);
int mem_ap_sel_write_buf_u32_noincr(struct adiv5_dap *swjdp, uint8_t ap,
const uint8_t *buffer, int count, uint32_t address);
/* MEM-AP memory mapped bus block transfers with selection of ap */
int mem_ap_sel_read_buf_u8(struct adiv5_dap *swjdp, uint8_t ap,
uint8_t *buffer, int count, uint32_t address);