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authorJacques Comeaux <jacquesrcomeaux@protonmail.com>2024-05-20 23:19:14 -0500
committerJacques Comeaux <jacquesrcomeaux@protonmail.com>2024-05-20 23:19:14 -0500
commit7388c270069c2d1418539bca1d2789a6d468ecc2 (patch)
treed3848031f6c2d4d45ec0a7c75b12a9f476680726 /hexedit/clocks.s
parent7f47fc894d43739fb0107fd17e76f65ae2bf46bc (diff)
Make shared object for setup routines
Diffstat (limited to 'hexedit/clocks.s')
-rw-r--r--hexedit/clocks.s31
1 files changed, 0 insertions, 31 deletions
diff --git a/hexedit/clocks.s b/hexedit/clocks.s
deleted file mode 100644
index 83bc9ff..0000000
--- a/hexedit/clocks.s
+++ /dev/null
@@ -1,31 +0,0 @@
-.syntax unified
-.cpu cortex-m0plus
-.thumb
-
-.equ CLOCKS_BASE, 0x40008000
-.equ CLK_REF_CTRL_OFST, 0x30
-.equ CLK_SYS_CTRL_OFST, 0x3c
-.equ CLK_PERI_CTRL_OFST, 0x48
-
-.type setup_clocks, %function
-.global setup_clocks
-
-setup_clocks:
-
- ldr r1, =CLOCKS_BASE
-
- // Reference clock
- movs r0, 0x2 // src = xosc
- str r0, [r1, CLK_REF_CTRL_OFST]
-
- // System clock
- movs r0, 0x0 // src = clk_ref
- str r0, [r1, CLK_SYS_CTRL_OFST]
-
- // Peripheral clock
- movs r0, 1 // set enable
- lsls r0, 11
- adds r0, 0x4 << 5 // src = xosc
- str r0, [r1, CLK_PERI_CTRL_OFST]
-
- bx lr