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Index: u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c
===================================================================
--- u-boot-1.3.2.orig/board/freescale/mpc8313erdb/mpc8313erdb.c 2008-11-24 16:34:21.000000000 +0100
+++ u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c 2008-11-24 16:44:59.000000000 +0100
@@ -28,6 +28,7 @@
#endif
#include <pci.h>
#include <mpc83xx.h>
+#include <spi.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -107,3 +108,33 @@
#endif
}
#endif
+
+
+/*
+ * The following are used to control the SPI chip selects for the SPI command.
+ */
+#ifdef CONFIG_HARD_SPI
+
+#define SPI_CS_MASK 0x80000000
+
+void spi_eeprom_chipsel(int cs)
+{
+ volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
+
+ if (cs)
+ iopd->dat &= ~SPI_CS_MASK;
+ else
+ iopd->dat |= SPI_CS_MASK;
+}
+
+/*
+ * The SPI command uses this table of functions for controlling the SPI
+ * chip selects.
+ */
+spi_chipsel_type spi_chipsel[] = {
+ spi_eeprom_chipsel,
+};
+int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]);
+
+#endif /* CONFIG_HARD_SPI */
+
Index: u-boot-1.3.2/include/configs/MPC8313ERDB.h
===================================================================
--- u-boot-1.3.2.orig/include/configs/MPC8313ERDB.h 2008-11-24 16:44:55.000000000 +0100
+++ u-boot-1.3.2/include/configs/MPC8313ERDB.h 2008-11-24 16:45:26.000000000 +0100
@@ -370,6 +370,7 @@
#define CONFIG_CMD_PCI
#define CONFIG_CMD_NAND
#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_SPI
#if defined(CFG_RAMBOOT)
#undef CONFIG_CMD_ENV
@@ -387,6 +388,11 @@
#define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:384k(uboot),64k(env)"
+/* SPI */
+#define CONFIG_MPC8XXX_SPI
+#define CONFIG_HARD_SPI /* SPI with hardware support */
+#undef CONFIG_SOFT_SPI /* SPI bit-banged */
+
/*
* Miscellaneous configurable options
*/
|
