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applications: sdp: mspi: RX #20092

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Merged
merged 2 commits into from
Feb 7, 2025
Merged

applications: sdp: mspi: RX #20092

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006137c
drivers: mspi: prepare APP side driver for receiving data
magp-nordic Jan 28, 2025
bf4777d
applications: sdp: mspi: add SPI RX path
magp-nordic Jan 29, 2025
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5 changes: 5 additions & 0 deletions applications/sdp/mspi/Kconfig
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
config SDP_MSPI_MAX_RESPONSE_SIZE
int "Max size of response that can be sent to APP core. In bytes."
default 128

source "Kconfig.zephyr"
265 changes: 233 additions & 32 deletions applications/sdp/mspi/src/hrt/hrt-nrf54l15.s
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,67 @@ hrt_tx:
jalr a2
j .L13
.size hrt_tx, .-hrt_tx
.section .text.hrt_tx_rx.constprop.0,"ax",@progbits
.align 1
.type hrt_tx_rx.constprop.0, @function
hrt_tx_rx.constprop.0:
lw a5,0(a0)
lw a4,4(a0)
beq a4,zero,.L26
li a4,126976
slli a1,a1,12
addi sp,sp,-24
and a1,a1,a4
li a4,2097152
sw s0,16(sp)
sw ra,20(sp)
sw s1,12(sp)
addi a4,a4,1031
mv s0,a0
lw a5,0(a5)
or a1,a1,a4
#APP
csrw 3019, a1
#NO_APP
li s1,0
.L17:
lw a4,4(s0)
bltu s1,a4,.L20
lw ra,20(sp)
lw s0,16(sp)
lw s1,12(sp)
addi sp,sp,24
jr ra
.L20:
lw a4,16(s0)
li a0,-16777216
and a0,a5,a0
sw a3,8(sp)
sw a2,4(sp)
sw a5,0(sp)
jalr a4
lw a5,0(sp)
lw a2,4(sp)
lw a3,8(sp)
slli a5,a5,8
bne s1,zero,.L18
beq a2,zero,.L18
li a4,65536
add a4,a3,a4
#APP
csrw 2002, a4
#NO_APP
.L19:
addi s1,s1,1
j .L17
.L18:
#APP
csrr a4, 3018
#NO_APP
j .L19
.L26:
ret
.size hrt_tx_rx.constprop.0, .-hrt_tx_rx.constprop.0
.section .text.hrt_write,"ax",@progbits
.align 1
.globl hrt_write
Expand All @@ -120,23 +181,23 @@ hrt_write:
li a5,0
addi a4,a0,4
li a3,4
.L17:
.L31:
lw a2,0(a4)
bne a2,zero,.L16
bne a2,zero,.L30
addi a5,a5,1
andi a5,a5,0xff
addi a4,a4,20
bne a5,a3,.L17
bne a5,a3,.L31
li a5,3
.L16:
.L30:
li a4,1
beq a5,a4,.L18
beq a5,a4,.L32
li a4,3
beq a5,a4,.L19
beq a5,a4,.L33
li a4,0
bne a5,zero,.L20
bne a5,zero,.L34
lbu a4,80(s0)
.L20:
.L34:
#APP
csrw 2000, 2
#NO_APP
Expand All @@ -163,21 +224,21 @@ hrt_write:
li a2,1
add a5,s0,a5
lw a3,4(a5)
beq a3,a2,.L21
beq a3,a2,.L35
li a2,2
beq a3,a2,.L22
beq a3,a2,.L36
li a5,32
div a5,a5,a4
j .L39
.L18:
j .L53
.L32:
lbu a4,81(s0)
j .L20
.L19:
j .L34
.L33:
lbu a4,83(s0)
j .L20
.L21:
j .L34
.L35:
lbu a5,8(a5)
.L39:
.L53:
#APP
csrw 3022, a5
#NO_APP
Expand All @@ -187,11 +248,11 @@ hrt_write:
lbu a4,88(s0)
slli a5,a5,16
srli a5,a5,16
bne a4,zero,.L25
bne a4,zero,.L39
#APP
csrc 3008, a5
#NO_APP
.L26:
.L40:
lhu a3,84(s0)
lbu a1,80(s0)
addi a2,sp,3
Expand All @@ -213,17 +274,17 @@ hrt_write:
addi a0,s0,60
call hrt_tx
lbu a5,89(s0)
beq a5,zero,.L27
.L28:
beq a5,zero,.L41
.L42:
#APP
csrr a5, 3022
#NO_APP
andi a5,a5,0xff
bne a5,zero,.L28
bne a5,zero,.L42
#APP
csrw 2010, 0
#NO_APP
.L27:
.L41:
li a5,16384
addi a5,a5,1
#APP
Expand All @@ -232,33 +293,173 @@ hrt_write:
csrw 2000, 0
#NO_APP
lbu a5,87(s0)
bne a5,zero,.L15
bne a5,zero,.L29
lbu a4,86(s0)
li a5,1
sll a5,a5,a4
lbu a4,88(s0)
slli a5,a5,16
srli a5,a5,16
bne a4,zero,.L30
bne a4,zero,.L44
#APP
csrs 3008, a5
#NO_APP
.L15:
.L29:
lw ra,12(sp)
lw s0,8(sp)
addi sp,sp,16
jr ra
.L22:
.L36:
lbu a5,9(a5)
j .L39
.L25:
j .L53
.L39:
#APP
csrs 3008, a5
#NO_APP
j .L26
.L30:
j .L40
.L44:
#APP
csrc 3008, a5
#NO_APP
j .L15
j .L29
.size hrt_write, .-hrt_write
.section .text.hrt_read,"ax",@progbits
.align 1
.globl hrt_read
.type hrt_read, @function
hrt_read:
addi sp,sp,-12
sw s0,4(sp)
sw ra,8(sp)
lbu a5,88(a0)
lbu a4,86(a0)
mv s0,a0
bne a5,zero,.L55
li a5,1
sll a5,a5,a4
slli a5,a5,16
srli a5,a5,16
#APP
csrc 3008, a5
#NO_APP
.L56:
lhu a5,90(s0)
slli a5,a5,16
srli a5,a5,16
andi a5,a5,-5
slli a5,a5,16
srli a5,a5,16
sh a5,90(s0)
lhu a5,90(s0)
#APP
csrw 3009, a5
csrw 3011, 2
#NO_APP
li a5,65536
addi a5,a5,4
#APP
csrw 3043, a5
csrw 3022, 8
csrw 2000, 2
csrw 2001, 2
#NO_APP
lhu a5,84(s0)
slli a5,a5,16
srli a5,a5,16
#APP
csrr a4, 2003
#NO_APP
li a3,-65536
and a4,a4,a3
or a5,a5,a4
#APP
csrw 2003, a5
#NO_APP
lhu a5,84(s0)
slli a5,a5,16
srli a5,a5,16
#APP
csrr a4, 2003
#NO_APP
slli a5,a5,1
slli a4,a4,16
addi a5,a5,1
srli a4,a4,16
slli a5,a5,16
or a5,a5,a4
#APP
csrw 2003, a5
#NO_APP
lbu a1,80(s0)
lhu a3,84(s0)
li a2,1
mv a0,s0
call hrt_tx_rx.constprop.0
lbu a1,81(s0)
lhu a3,84(s0)
li a2,0
addi a0,s0,20
call hrt_tx_rx.constprop.0
li a5,0
.L57:
lw a4,64(s0)
bltu a5,a4,.L58
#APP
csrw 2000, 0
csrw 2001, 0
csrw 3019, 0
#NO_APP
lbu a5,87(s0)
bne a5,zero,.L59
lbu a5,88(s0)
lbu a4,86(s0)
bne a5,zero,.L60
li a5,1
sll a5,a5,a4
slli a5,a5,16
srli a5,a5,16
#APP
csrs 3008, a5
#NO_APP
.L59:
lhu a5,90(s0)
ori a5,a5,4
sh a5,90(s0)
lhu a5,90(s0)
#APP
csrw 3009, a5
#NO_APP
lw ra,8(sp)
lw s0,4(sp)
addi sp,sp,12
jr ra
.L55:
li a5,1
sll a5,a5,a4
slli a5,a5,16
srli a5,a5,16
#APP
csrs 3008, a5
#NO_APP
j .L56
.L58:
#APP
csrr a3, 3018
#NO_APP
lw a4,60(s0)
srli a3,a3,24
add a4,a4,a5
addi a5,a5,1
sb a3,0(a4)
andi a5,a5,0xff
j .L57
.L60:
li a5,1
sll a5,a5,a4
slli a5,a5,16
srli a5,a5,16
#APP
csrc 3008, a5
#NO_APP
j .L59
.size hrt_read, .-hrt_read
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