summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorwdenk <wdenk>2003-09-13 19:01:12 +0000
committerwdenk <wdenk>2003-09-13 19:01:12 +0000
commit531716e1710083f91d9fa351f89d18e271b5c577 (patch)
treeb16f8f3683078ee64ac2b87c2f3c1c37c60f9a93 /include
parentb70e7a00c8bc6feb5f5718ba1c6d4fedb294483a (diff)
downloadu-boot-imx-531716e1710083f91d9fa351f89d18e271b5c577.zip
u-boot-imx-531716e1710083f91d9fa351f89d18e271b5c577.tar.gz
u-boot-imx-531716e1710083f91d9fa351f89d18e271b5c577.tar.bz2
* Patch by David M�ller, 13 Sep 2003:
various changes to VCMA9 board specific files * Add I2C support for MGT5100 / MPC5200
Diffstat (limited to 'include')
-rw-r--r--include/configs/IceCube.h20
-rw-r--r--include/configs/VCMA9.h9
-rw-r--r--include/mpc5xxx.h29
3 files changed, 52 insertions, 6 deletions
diff --git a/include/configs/IceCube.h b/include/configs/IceCube.h
index 9d914a6..c2c398c 100644
--- a/include/configs/IceCube.h
+++ b/include/configs/IceCube.h
@@ -83,7 +83,8 @@
/*
* Supported commands
*/
-#define CONFIG_COMMANDS (CONFIG_CMD_DFL | ADD_PCI_CMD)
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | ADD_PCI_CMD | \
+ CFG_CMD_I2C | CFG_CMD_EEPROM)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
@@ -98,6 +99,23 @@
/*
* I2C configuration
*/
+#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
+#define CFG_I2C_MODULE 1 /* If defined then I2C module #2 is used
+ * otherwise I2C module #1 is used */
+#ifdef CONFIG_MPC5200
+#define CFG_I2C_SPEED 0x3D /* 86KHz given 133MHz IPBI */
+#else
+#define CFG_I2C_SPEED 0x35 /* 86KHz given 33MHz IPBI */
+#endif
+#define CFG_I2C_SLAVE 0x7F
+
+/*
+ * EEPROM configuration
+ */
+#define CFG_I2C_EEPROM_ADDR 0x50 /* 1010000x */
+#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_EEPROM_PAGE_WRITE_BITS 3
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 35
/*
* Flash configuration
diff --git a/include/configs/VCMA9.h b/include/configs/VCMA9.h
index c0103fc..9f868f8 100644
--- a/include/configs/VCMA9.h
+++ b/include/configs/VCMA9.h
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2002
+ * (C) Copyright 2002, 2003
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
* Gary Jennejohn <gj@denx.de>
@@ -160,9 +160,10 @@
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x30000000 /* memtest works on */
-#define CFG_MEMTEST_END 0x33F80000 /* 63.5 MB in DRAM */
+#define CFG_MEMTEST_END 0x30F80000 /* 15.5 MB in DRAM */
+
#define CFG_ALT_MEMTEST
-#define CFG_LOAD_ADDR 0x33000000 /* default load address */
+#define CFG_LOAD_ADDR 0x30800000 /* default load address */
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
@@ -197,8 +198,6 @@
*/
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0x30000000 /* SDRAM Bank #1 */
-#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */
-
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define CFG_FLASH_BASE PHYS_FLASH_1
diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h
index 02683e3..b38d7d4 100644
--- a/include/mpc5xxx.h
+++ b/include/mpc5xxx.h
@@ -108,6 +108,9 @@
#define MPC5XXX_FEC (CFG_MBAR + 0x3000)
+#define MPC5XXX_I2C1 (CFG_MBAR + 0x3D00)
+#define MPC5XXX_I2C2 (CFG_MBAR + 0x3D40)
+
#if defined(CONFIG_MGT5100)
#define MPC5XXX_SRAM (CFG_MBAR + 0x4000)
#define MPC5XXX_SRAM_SIZE (8*1024)
@@ -197,6 +200,24 @@
#define MPC5XXX_GPT0_ENABLE (MPC5XXX_GPT + 0x0)
#define MPC5XXX_GPT0_COUNTER (MPC5XXX_GPT + 0x4)
+/* I2Cn control register bits */
+#define I2C_EN 0x80
+#define I2C_IEN 0x40
+#define I2C_STA 0x20
+#define I2C_TX 0x10
+#define I2C_TXAK 0x08
+#define I2C_RSTA 0x04
+#define I2C_INIT_MASK (I2C_EN | I2C_STA | I2C_TX | I2C_RSTA)
+
+/* I2Cn status register bits */
+#define I2C_CF 0x80
+#define I2C_AAS 0x40
+#define I2C_BB 0x20
+#define I2C_AL 0x10
+#define I2C_SRW 0x04
+#define I2C_IF 0x02
+#define I2C_RXAK 0x01
+
/* Programmable Serial Controller (PSC) status register bits */
#define PSC_SR_CDE 0x0080
#define PSC_SR_RXRDY 0x0100
@@ -505,6 +526,14 @@ struct mpc5xxx_sdma {
volatile u32 EU37; /* SDMA + 0xfc */
};
+struct mpc5xxx_i2c {
+ volatile u32 madr; /* I2Cn + 0x00 */
+ volatile u32 mfdr; /* I2Cn + 0x04 */
+ volatile u32 mcr; /* I2Cn + 0x08 */
+ volatile u32 msr; /* I2Cn + 0x0C */
+ volatile u32 mdr; /* I2Cn + 0x10 */
+};
+
/* function prototypes */
void loadtask(int basetask, int tasks);