[i2c, rtl] Format flag assignments
1. Swapped bits for fmt_flag_read_bytes and fmt_flag_read_continue (bug fix).
2. Reduced hold time in Stop condition to a minimum.
Signed-off-by: Igor Kouznetsov <igor.kouznetsov@wdc.com>
diff --git a/hw/ip/i2c/rtl/i2c_core.sv b/hw/ip/i2c/rtl/i2c_core.sv
index fac4d8f..082e1b1 100644
--- a/hw/ip/i2c/rtl/i2c_core.sv
+++ b/hw/ip/i2c/rtl/i2c_core.sv
@@ -188,8 +188,8 @@
assign fmt_byte = fmt_fifo_rdata[7:0];
assign fmt_flag_start_before = fmt_fifo_rdata[8];
assign fmt_flag_stop_after = fmt_fifo_rdata[9];
- assign fmt_flag_read_continue = fmt_fifo_rdata[10];
- assign fmt_flag_read_bytes = fmt_fifo_rdata[11];
+ assign fmt_flag_read_bytes = fmt_fifo_rdata[10];
+ assign fmt_flag_read_continue = fmt_fifo_rdata[11];
assign fmt_flag_nak_ok = fmt_fifo_rdata[12];
// Unused parts of exposed bits
diff --git a/hw/ip/i2c/rtl/i2c_fsm.sv b/hw/ip/i2c/rtl/i2c_fsm.sv
index 14f598e..067a650 100644
--- a/hw/ip/i2c/rtl/i2c_fsm.sv
+++ b/hw/ip/i2c/rtl/i2c_fsm.sv
@@ -92,7 +92,7 @@
tClockPulse : tcount_d = t_r_i + thigh_i;
tHoldBit : tcount_d = t_f_i + thd_dat_i;
tSetupStop : tcount_d = t_r_i + tsu_sto_i;
- tHoldStop : tcount_d = t_r_i + t_buf_i;
+ tHoldStop : tcount_d = t_r_i + t_buf_i - tsu_sta_i;
tNoDelay : tcount_d = '0;
default : tcount_d = '0;
endcase
