altos/samd21: Add register definitions

This adds symbols for all of the device registers.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/samd21/altos-loader.ld b/src/samd21/altos-loader.ld
index 6c12d324ec36c92c49430cdd41b3c4e9dff9bfc9..7715aa5026f588bfe3225808ce816b28fe467881 100644 (file)
--- a/src/samd21/altos-loader.ld
+++ b/src/samd21/altos-loader.ld
@@ -22,4 +22,5 @@ __ram = 0x20000000;
 __ram_size = 32k;
 __stack_size = 256;
 
+INCLUDE registers.ld
 INCLUDE picolibc.ld

diff --git a/src/samd21/altos.ld b/src/samd21/altos.ld
index b5cb413eeaad3beda0feae6624cc2d5264488335..40d9e4a1898e388194bc5017d960c8d627ef7287 100644 (file)
--- a/src/samd21/altos.ld
+++ b/src/samd21/altos.ld
@@ -22,4 +22,5 @@ __ram = 0x20000000;
 __ram_size = 32k;
 __stack_size = 256;
 
+INCLUDE registers.ld
 INCLUDE picolibc.ld

diff --git a/src/samd21/registers.ld b/src/samd21/registers.ld
new file mode 100644 (file)
index 0000000..4ff885b
--- /dev/null
+++ b/src/samd21/registers.ld
@@ -0,0 +1,53 @@
+samd21_scs     = 0xe000e000;
+samd21_systick = 0xe000e010;
+samd21_nvic    = 0xe000e100;
+samd21_scb     = 0xe000ed00;
+
+samd21_ahb_apb_a = 0x40000000;
+samd21_pac0    = 0x40000000;
+samd21_pm      = 0x40000400;
+samd21_sysctrl = 0x40000800;
+samd21_gclk    = 0x40000c00;
+samd21_wdt     = 0x40001000;
+samd21_rtc     = 0x40001400;
+samd21_rtc     = 0x40001400;
+samd21_eic     = 0x40001800;
+
+samd21_ahb_apb_b = 0x41000000;
+samd21_pac1    = 0x41000000;
+samd21_dsu     = 0x41002000;
+samd21_nvmctrl = 0x41004000;
+samd21_port_a  = 0x41004400;
+samd21_port_b  = 0x41004480;
+samd21_dmac    = 0x41004800;
+samd21_usb     = 0x41005000;
+samd21_mtb     = 0x41006000;
+
+samd21_ahb_apb_c = 0x42000000;
+samd21_pac2    = 0x42000000;
+samd21_evsys   = 0x42000400;
+samd21_sercom0 = 0x42000800;
+samd21_sercom1 = 0x42000c00;
+samd21_sercom2 = 0x42001000;
+samd21_sercom3 = 0x42001400;
+samd21_sercom4 = 0x42001800;
+samd21_sercom5 = 0x42001c00;
+samd21_tcc0    = 0x42002000;
+samd21_tcc1    = 0x42002400;
+samd21_tcc2    = 0x42002800;
+samd21_tc3     = 0x42002c00;
+samd21_tc4     = 0x42003000;
+samd21_tc5     = 0x42003400;
+samd21_tc6     = 0x42003800;
+samd21_tc7     = 0x42003c00;
+samd21_adc     = 0x42004000;
+samd21_ac      = 0x42004400;
+samd21_dac     = 0x42004800;
+samd21_ptc     = 0x42004c00;
+samd21_i2s     = 0x42005000;
+samd21_ac1     = 0x42005400;
+samd21_tcc3    = 0x42006000;
+
+samd21_aux0    = 0x00804000;
+samd21_aux1    = 0x00806000;
+samd21_serial  = 0x0080a000;