Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / xes / common / fsl_8xxx_misc.c

diff --git a/qemu/roms/u-boot/board/xes/common/fsl_8xxx_misc.c b/qemu/roms/u-boot/board/xes/common/fsl_8xxx_misc.c
new file mode 100644 (file)
index 0000000..2899e11
--- /dev/null
+++ b/qemu/roms/u-boot/board/xes/common/fsl_8xxx_misc.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#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;
+}