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Seeed WioTerminal support (#1124)

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* machine/wioterminal: add support for wioterminal board
This commit is contained in:
sago35
2020-06-06 19:00:26 +09:00
committed by GitHub
parent 0c880ec44c
commit c5a896771d
9 changed files with 603 additions and 1 deletions
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src/runtime/runtime_atsamd51p19.go
+53
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@@ -0,0 +1,53 @@
// +build sam,atsamd51,atsamd51p19
package runtime
import (
"device/sam"
)
func initSERCOMClocks() {
// Turn on clock to SERCOM0 for UART0
sam.MCLK.APBAMASK.SetBits(sam.MCLK_APBAMASK_SERCOM0_)
sam.GCLK.PCHCTRL[7].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// sets the "slow" clock shared by all SERCOM
sam.GCLK.PCHCTRL[3].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM1
sam.MCLK.APBAMASK.SetBits(sam.MCLK_APBAMASK_SERCOM1_)
sam.GCLK.PCHCTRL[8].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM2
sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_SERCOM2_)
sam.GCLK.PCHCTRL[23].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM3
sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_SERCOM3_)
sam.GCLK.PCHCTRL[24].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM4
sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_SERCOM4_)
sam.GCLK.PCHCTRL[34].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM5
sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_SERCOM5_)
sam.GCLK.PCHCTRL[35].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM6
sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_SERCOM6_)
sam.GCLK.PCHCTRL[36].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
// Turn on clock to SERCOM7
sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_SERCOM7_)
sam.GCLK.PCHCTRL[37].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
}