diff options
Diffstat (limited to 'packages/u-boot/u-boot-1.3.2/boc01/001-090115-SPI.patch')
| -rw-r--r-- | packages/u-boot/u-boot-1.3.2/boc01/001-090115-SPI.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-1.3.2/boc01/001-090115-SPI.patch b/packages/u-boot/u-boot-1.3.2/boc01/001-090115-SPI.patch new file mode 100644 index 0000000000..96b624b3a1 --- /dev/null +++ b/packages/u-boot/u-boot-1.3.2/boc01/001-090115-SPI.patch @@ -0,0 +1,90 @@ +Index: u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c +=================================================================== +--- u-boot-1.3.2.orig/board/freescale/mpc8313erdb/mpc8313erdb.c 2009-01-15 10:51:45.000000000 +0100 ++++ u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c 2009-01-15 12:18:31.000000000 +0100 +@@ -28,6 +28,7 @@ + #endif + #include <pci.h> + #include <mpc83xx.h> ++#include <spi.h> + + DECLARE_GLOBAL_DATA_PTR; + +@@ -107,3 +108,29 @@ + #endif + } + #endif ++ ++ ++/* ++ * The following are used to control the SPI chip selects for the SPI command. ++ */ ++#ifdef CONFIG_HARD_SPI ++ ++void spi_rfid_chipsel(int cs) ++{ ++ if(cs) ++ gpio_clear(14); ++ else ++ gpio_set(14); ++} ++ ++/* ++ * The SPI command uses this table of functions for controlling the SPI ++ * chip selects. ++ */ ++spi_chipsel_type spi_chipsel[] = { ++ spi_rfid_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 2009-01-15 10:51:51.000000000 +0100 ++++ u-boot-1.3.2/include/configs/MPC8313ERDB.h 2009-01-15 12:16:57.000000000 +0100 +@@ -369,6 +369,7 @@ + #define CONFIG_CMD_PCI + #define CONFIG_CMD_NAND + #define CONFIG_CMD_JFFS2 ++#define CONFIG_CMD_SPI + + #if defined(CFG_RAMBOOT) + #undef CONFIG_CMD_ENV +@@ -386,6 +387,11 @@ + #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 + */ +Index: u-boot-1.3.2/drivers/spi/mpc8xxx_spi.c +=================================================================== +--- u-boot-1.3.2.orig/drivers/spi/mpc8xxx_spi.c 2009-01-15 10:52:30.000000000 +0100 ++++ u-boot-1.3.2/drivers/spi/mpc8xxx_spi.c 2009-01-15 10:53:23.000000000 +0100 +@@ -34,6 +34,8 @@ + #define SPI_MODE_REV (0x80000000 >> 5) /* Reverse mode - MSB first */ + #define SPI_MODE_MS (0x80000000 >> 6) /* Always master */ + #define SPI_MODE_EN (0x80000000 >> 7) /* Enable interface */ ++#define SPI_MODE_DIV16 (0x80000000 >> 4) /*Divide by 16. */ ++#define SPI_MODE_LEN_8 (0x00700000) /*0111 8-bit characters*/ + + #define SPI_TIMEOUT 1000 + +@@ -45,9 +47,7 @@ + * SPI pins on the MPC83xx are not muxed, so all we do is initialize + * some registers + */ +- spi->mode = SPI_MODE_REV | SPI_MODE_MS | SPI_MODE_EN; +- spi->mode = (spi->mode & 0xfff0ffff) | (1 << 16); /* Use SYSCLK / 8 +- (16.67MHz typ.) */ ++ spi->mode = SPI_MODE_DIV16 |SPI_MODE_LEN_8| SPI_MODE_REV | SPI_MODE_MS | SPI_MODE_EN; + spi->event = 0xffffffff; /* Clear all SPI events */ + spi->mask = 0x00000000; /* Mask all SPI interrupts */ + spi->com = 0; /* LST bit doesn't do anything, so disregard */ |