powerpc/mpc8536ds: Add eSPI support for MPC8536DS

1. The SD_DATA[4:7] signals are shared with the SPI chip selects on 8536DS,
   so don't set MPC85xx_PMUXCR_SD_DATA that config eSDHC data bus-width
   to 4-bit and enable SPI signals.
2. Add eSPI controller and SPI-FLASH definition.

Signed-off-by: Xie Xiaobo <[email protected]>
Signed-off-by: Kumar Gala <[email protected]>

diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index fb5ef916cce00783131de36e3e10e977d051691c..a29fe35cd30bc519493cc5cee3013f31f821d519 100644 (file)
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -1934,7 +1934,12 @@ typedef struct ccsr_gur {
        u8      res1[8];
        u32     gpporcr;        /* General-purpose POR configuration */
        u8      res2[12];
+#if defined(CONFIG_MPC8536)
+       u32     gencfgr;        /* General Configuration Register */
+#define MPC85xx_GENCFGR_SDHC_WP_INV    0x20000000
+#else
        u32     gpiocr;         /* GPIO control */
+#endif
        u8      res3[12];
 #if defined(CONFIG_MPC8569)
        u32     plppar1;        /* Platform port pin assignment 1 */

diff --git a/board/freescale/mpc8536ds/mpc8536ds.c b/board/freescale/mpc8536ds/mpc8536ds.c
index b292e1354187f0fa51df9e93dd88bea0c4ee00a0..2beea345c5677006ee65585131dbbc65874dd8c4 100644 (file)
--- a/board/freescale/mpc8536ds/mpc8536ds.c
+++ b/board/freescale/mpc8536ds/mpc8536ds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2010 Freescale Semiconductor, Inc.
+ * Copyright 2008-2010, 2011 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -49,10 +49,8 @@ int board_early_init_f (void)
        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 
        setbits_be32(&gur->pmuxcr,
-                       (MPC85xx_PMUXCR_SD_DATA |
-                        MPC85xx_PMUXCR_SDHC_CD |
+                       (MPC85xx_PMUXCR_SDHC_CD |
                         MPC85xx_PMUXCR_SDHC_WP));
-
 #endif
        return 0;
 }

diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index 3efe9373fdeaa7d0e76375faf0cea989fc1d0a2b..36e25f62243cded613f536e4fee1224268dec5c0 100644 (file)
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -77,6 +77,7 @@
 #define CONFIG_MPC8536DS       1
 
 #define CONFIG_FSL_ELBC                1       /* Has Enhanced localbus controller */
+#define CONFIG_SPI_FLASH       1       /* Has SPI Flash */
 #define CONFIG_PCI             1       /* Enable PCI/PCIE */
 #define CONFIG_PCI1            1       /* Enable PCI controller 1 */
 #define CONFIG_PCIE1           1       /* PCIE controler 1 (slot 1) */
@@ -457,6 +458,19 @@
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
 #define CONFIG_SYS_EEPROM_BUS_NUM      1
 
+/*
+ * eSPI - Enhanced SPI
+ */
+#define CONFIG_HARD_SPI
+#define CONFIG_FSL_ESPI
+
+#if defined(CONFIG_SPI_FLASH)
+#define CONFIG_SPI_FLASH_SPANSION
+#define CONFIG_CMD_SF
+#define CONFIG_SF_DEFAULT_SPEED        10000000
+#define CONFIG_SF_DEFAULT_MODE 0
+#endif
+
 /*
  * General PCI
  * Memory space is mapped 1-1, but I/O space must start from 0.