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authorJeremy Laine <jeremy.laine@m4x.org>2008-09-17 13:15:56 +0000
committerJeremy Laine <jeremy.laine@m4x.org>2008-09-17 13:15:56 +0000
commit1be23a85a9044ac34ebd07d561b8029d0764f916 (patch)
treee0d511043a58985c14a16b96a48d08b741ea5648 /packages/u-boot/u-boot-1.3.2/mpc8313e-rdb-spi.patch
parentd4e452b6d6fafe058a84e7623893537536dc2695 (diff)
u-boot: add SPI, EEPROM and DTT support for mpc8313e-rdb
Diffstat (limited to 'packages/u-boot/u-boot-1.3.2/mpc8313e-rdb-spi.patch')
-rw-r--r--packages/u-boot/u-boot-1.3.2/mpc8313e-rdb-spi.patch70
1 files changed, 70 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-1.3.2/mpc8313e-rdb-spi.patch b/packages/u-boot/u-boot-1.3.2/mpc8313e-rdb-spi.patch
new file mode 100644
index 0000000000..039996c7f3
--- /dev/null
+++ b/packages/u-boot/u-boot-1.3.2/mpc8313e-rdb-spi.patch
@@ -0,0 +1,70 @@
+Index: u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c
+===================================================================
+--- u-boot-1.3.2.orig/board/freescale/mpc8313erdb/mpc8313erdb.c 2008-09-12 18:48:23.000000000 +0200
++++ u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c 2008-09-12 18:50:10.000000000 +0200
+@@ -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 2008-09-12 18:50:09.000000000 +0200
++++ u-boot-1.3.2/include/configs/MPC8313ERDB.h 2008-09-12 18:50:50.000000000 +0200
+@@ -359,6 +359,7 @@
+ #define CONFIG_CMD_DATE
+ #define CONFIG_CMD_PCI
+ #define CONFIG_CMD_NAND
++#define CONFIG_CMD_SPI
+
+ #if defined(CFG_RAMBOOT)
+ #undef CONFIG_CMD_ENV
+@@ -367,6 +368,11 @@
+
+ #define CONFIG_CMDLINE_EDITING 1
+
++/* SPI */
++#define CONFIG_MPC8XXX_SPI
++#define CONFIG_HARD_SPI /* SPI with hardware support */
++#undef CONFIG_SOFT_SPI /* SPI bit-banged */
++
+ /*
+ * JFFS2 partitions (mtdparts command line support)
+ */