diff options
| author | Jacques Comeaux <jacquesrcomeaux@protonmail.com> | 2024-01-19 16:41:29 -0600 |
|---|---|---|
| committer | Jacques Comeaux <jacquesrcomeaux@protonmail.com> | 2024-01-19 16:41:29 -0600 |
| commit | 261c210c9c4c1e55103a7af31dfcc539c0e0e5cc (patch) | |
| tree | 71840ab97b84dd3f995ea8900b08c98149feac36 /clocks.s | |
| parent | 473e52cbe7cbee0333b7d97d91c4bbf95c1b3225 (diff) | |
Add subroutine for printing hexadecimal word
Diffstat (limited to 'clocks.s')
| -rw-r--r-- | clocks.s | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/clocks.s b/clocks.s deleted file mode 100644 index 83bc9ff..0000000 --- a/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 |