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Diffstat (limited to 'roms/u-boot/board/xes/common/fsl_8xxx_misc.c')
-rw-r--r--roms/u-boot/board/xes/common/fsl_8xxx_misc.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/roms/u-boot/board/xes/common/fsl_8xxx_misc.c b/roms/u-boot/board/xes/common/fsl_8xxx_misc.c
new file mode 100644
index 000000000..b26810338
--- /dev/null
+++ b/roms/u-boot/board/xes/common/fsl_8xxx_misc.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+#ifdef CONFIG_PCA953X
+#include <pca953x.h>
+
+/*
+ * Determine if a board's flashes are write protected
+ */
+int board_flash_wp_on(void)
+{
+ if (pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
+ CONFIG_SYS_PCA953X_NVM_WP)
+ return 1;
+
+ return 0;
+}
+#endif
+
+/*
+ * Return a board's derivative model number. For example:
+ * return 2 for the XPedite5372 and return 1 for the XPedite5201.
+ */
+uint get_board_derivative(void)
+{
+#if defined(CONFIG_MPC85xx)
+ volatile ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+#elif defined(CONFIG_MPC86xx)
+ volatile immap_t *immap = (immap_t *)CONFIG_SYS_CCSRBAR;
+ volatile ccsr_gur_t *gur = &immap->im_gur;
+#endif
+
+ /*
+ * The top 4 lines of the local bus address are pulled low/high and
+ * can be read to determine the least significant digit of a board's
+ * model number.
+ */
+ return gur->gpporcr >> 28;
+}