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Diffstat (limited to 'bsps/riscv/griscv/console/printk_support.c')
-rw-r--r--bsps/riscv/griscv/console/printk_support.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/bsps/riscv/griscv/console/printk_support.c b/bsps/riscv/griscv/console/printk_support.c
index 3a3450551f..f3af16be4d 100644
--- a/bsps/riscv/griscv/console/printk_support.c
+++ b/bsps/riscv/griscv/console/printk_support.c
@@ -43,9 +43,10 @@
#include <stdio.h>
#include <grlib/apbuart.h>
#include <grlib/ambapp.h>
+#include <grlib/io.h>
int grlib_debug_uart_index __attribute__((weak)) = 0;
-struct apbuart_regs *grlib_debug_uart = NULL;
+apbuart *grlib_debug_uart = NULL;
/* Before UART driver has registered (or when no UART is available), calls to
* printk that gets to bsp_out_char() will be filling data into the
@@ -87,13 +88,17 @@ static void bsp_debug_uart_init(void)
VENDOR_GAISLER, GAISLER_APBUART,
ambapp_find_by_idx, (void *)&i);
if (adev) {
+ uint32_t ctrl;
+
/* Found a matching debug console, initialize debug uart if present
* for printk
*/
apb = (struct ambapp_apb_info *)adev->devinfo;
- grlib_debug_uart = (struct apbuart_regs *)apb->start;
- grlib_debug_uart->ctrl |= APBUART_CTRL_RE | APBUART_CTRL_TE;
- grlib_debug_uart->status = 0;
+ grlib_debug_uart = (apbuart *)apb->start;
+ ctrl = grlib_load_32(&grlib_debug_uart->ctrl);
+ ctrl |= APBUART_CTRL_RE | APBUART_CTRL_TE;
+ grlib_store_32(&grlib_debug_uart->ctrl, ctrl);
+ grlib_store_32(&grlib_debug_uart->status, 0);
}
}
@@ -107,10 +112,14 @@ RTEMS_SYSINIT_ITEM(
static void bsp_out_char(char c)
{
if (grlib_debug_uart == NULL) {
+ uint32_t ctrl;
+
/* Try to assign standard UART address to debug driver to pass some tests */
- grlib_debug_uart = (struct apbuart_regs *) 0x80000100;
- grlib_debug_uart->ctrl |= APBUART_CTRL_RE | APBUART_CTRL_TE;
- grlib_debug_uart->status = 0;
+ grlib_debug_uart = (apbuart *) 0x80000100;
+ ctrl = grlib_load_32(&grlib_debug_uart->ctrl);
+ ctrl |= APBUART_CTRL_RE | APBUART_CTRL_TE;
+ grlib_store_32(&grlib_debug_uart->ctrl, ctrl);
+ grlib_store_32(&grlib_debug_uart->status, 0);
/* Local debug buffer when UART driver has not registered */
/*
pre_printk_dbgbuf[pre_printk_pos++] = c;