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* Patch by David Mller, 13 Sep 2003:

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various changes to VCMA9 board specific files

* Add I2C support for MGT5100 / MPC5200
This commit is contained in:
wdenk
2003-09-13 19:01:12 +00:00
parent b70e7a00c8
commit 531716e171
13 changed files with 616 additions and 78 deletions
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include/mpc5xxx.h
+29
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@@ -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);