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Diffstat (limited to 'src/arch/x86/acpigen.c')
-rw-r--r--src/arch/x86/acpigen.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c
index e0e957a9df..0a572630a1 100644
--- a/src/arch/x86/acpigen.c
+++ b/src/arch/x86/acpigen.c
@@ -992,3 +992,32 @@ void acpigen_write_else(void)
acpigen_emit_byte(ELSE_OP);
acpigen_write_len_f();
}
+
+/* Soc-implemented functions -- weak definitions. */
+int __attribute__((weak)) acpigen_soc_read_rx_gpio(unsigned int gpio_num)
+{
+ printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__);
+ acpigen_write_debug_string("read_rx_gpio not available");
+ return -1;
+}
+
+int __attribute__((weak)) acpigen_soc_get_tx_gpio(unsigned int gpio_num)
+{
+ printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__);
+ acpigen_write_debug_string("get_tx_gpio not available");
+ return -1;
+}
+
+int __attribute__((weak)) acpigen_soc_set_tx_gpio(unsigned int gpio_num)
+{
+ printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__);
+ acpigen_write_debug_string("set_tx_gpio not available");
+ return -1;
+}
+
+int __attribute__((weak)) acpigen_soc_clear_tx_gpio(unsigned int gpio_num)
+{
+ printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__);
+ acpigen_write_debug_string("clear_tx_gpio not available");
+ return -1;
+}