rpipico: early init fix

EtchedPixels · Oct 16, 2024 · 1a957f4 · 1a957f4
1 parent 0d73fbc
commit 1a957f4
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Showing 4 changed files with 9 additions and 1 deletion.
diff --git a/Kernel/platform/platform-rpipico/README.md b/Kernel/platform/platform-rpipico/README.md
@@ -74,7 +74,7 @@ Partition SD card on your computer using MBR partition scheme then create 32MB p
 If using Linux or MacOS you can then copy `filesystem.img` onto the SD card using `dd` command.
 
 ```
-dd if=filesystem.img of=/dev/sdN bs=512 seek=2048
+dd if=filesystem.img of=/dev/sdXn oflag=direct bs=8192
 ```
 
 The first thing you probably want to do is `stty erase '^?'` to make the DELETE

diff --git a/Kernel/platform/platform-rpipico/devtty.c b/Kernel/platform/platform-rpipico/devtty.c
@@ -48,6 +48,7 @@ static void devtty_defconfig(uint8_t drv, int count, int minor)
 /* To be called right after startup to be able to print boot messages */
 void devtty_early_init(void)
 {
+    rawuart_early_init();
     core1_init();
     devtty_init();
 }

diff --git a/Kernel/platform/platform-rpipico/rawuart.c b/Kernel/platform/platform-rpipico/rawuart.c
@@ -91,6 +91,12 @@ static void rawuart_deinit(uart_inst_t * uart){
     uart_deinit(uart);
 }
 
+void rawuart_early_init()
+{
+    // init first uart for kprint
+    rawuart_init(0);
+}
+
 void rawuart_putc(uint8_t devn, uint8_t c)
 {
     uart_inst_t *uart = uart_get_instance(devn - 1);

diff --git a/Kernel/platform/platform-rpipico/rawuart.h b/Kernel/platform/platform-rpipico/rawuart.h
@@ -3,6 +3,7 @@
 
 #include <tty.h>
 
+extern void rawuart_early_init();
 extern void rawuart_putc(uint8_t devn, uint8_t c);
 extern ttyready_t rawuart_ready(uint8_t devn);
 extern void rawuart_sleeping(uint8_t devn);