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Diffstat (limited to 'cpu/mpc8xx/i2c.c')
-rw-r--r--cpu/mpc8xx/i2c.c65
1 files changed, 16 insertions, 49 deletions
diff --git a/cpu/mpc8xx/i2c.c b/cpu/mpc8xx/i2c.c
index f05b666..338caba 100644
--- a/cpu/mpc8xx/i2c.c
+++ b/cpu/mpc8xx/i2c.c
@@ -42,19 +42,6 @@ DECLARE_GLOBAL_DATA_PTR;
/* define to enable debug messages */
#undef DEBUG_I2C
-/*-----------------------------------------------------------------------
- * Set default values
- */
-#ifndef CFG_I2C_SPEED
-#define CFG_I2C_SPEED 50000
-#endif
-
-#ifndef CFG_I2C_SLAVE
-#define CFG_I2C_SLAVE 0xFE
-#endif
-/*-----------------------------------------------------------------------
- */
-
/* tx/rx timeout (we need the i2c early, so we don't use get_timer()) */
#define TOUT_LOOP 1000000
@@ -162,7 +149,7 @@ i2c_roundrate(int hz, int speed, int filter, int modval,
static int
i2c_setrate (int hz, int speed)
{
- immap_t *immap = (immap_t *) CFG_IMMR;
+ immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
volatile i2c8xx_t *i2c = (i2c8xx_t *) & immap->im_i2c;
int brgval,
modval, /* 0-3 */
@@ -207,7 +194,7 @@ i2c_setrate (int hz, int speed)
void
i2c_init(int speed, int slaveaddr)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR ;
+ volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ;
volatile cpm8xx_t *cp = (cpm8xx_t *)&immap->im_cpm;
volatile i2c8xx_t *i2c = (i2c8xx_t *)&immap->im_i2c;
volatile iic_t *iip = (iic_t *)&cp->cp_dparam[PROFF_IIC];
@@ -215,21 +202,21 @@ i2c_init(int speed, int slaveaddr)
volatile I2C_BD *rxbd, *txbd;
uint dpaddr;
-#ifdef CFG_I2C_INIT_BOARD
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
/* call board specific i2c bus reset routine before accessing the */
/* environment, which might be in a chip on that bus. For details */
/* about this problem see doc/I2C_Edge_Conditions. */
i2c_init_board();
#endif
-#ifdef CFG_I2C_UCODE_PATCH
+#ifdef CONFIG_SYS_I2C_UCODE_PATCH
iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase];
#else
/* Disable relocation */
iip->iic_rpbase = 0;
#endif
-#ifdef CFG_ALLOC_DPRAM
+#ifdef CONFIG_SYS_ALLOC_DPRAM
dpaddr = iip->iic_rbase;
if (dpaddr == 0) {
/* need to allocate dual port ram */
@@ -269,7 +256,7 @@ i2c_init(int speed, int slaveaddr)
* divide BRGCLK by 1)
*/
PRINTD(("[I2C] Setting rate...\n"));
- i2c_setrate (gd->cpu_clk, CFG_I2C_SPEED) ;
+ i2c_setrate (gd->cpu_clk, CONFIG_SYS_I2C_SPEED) ;
/* Set I2C controller in master mode */
i2c->i2c_i2com = 0x01;
@@ -295,7 +282,7 @@ i2c_init(int speed, int slaveaddr)
/* Set maximum receive size. */
iip->iic_mrblr = I2C_RXTX_LEN;
-#ifdef CFG_I2C_UCODE_PATCH
+#ifdef CONFIG_SYS_I2C_UCODE_PATCH
/*
* Initialize required parameters if using microcode patch.
*/
@@ -318,13 +305,13 @@ i2c_init(int speed, int slaveaddr)
static void
i2c_newio(i2c_state_t *state)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR ;
+ volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ;
volatile cpm8xx_t *cp = (cpm8xx_t *)&immap->im_cpm;
volatile iic_t *iip = (iic_t *)&cp->cp_dparam[PROFF_IIC];
PRINTD(("[I2C] i2c_newio\n"));
-#ifdef CFG_I2C_UCODE_PATCH
+#ifdef CONFIG_SYS_I2C_UCODE_PATCH
iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase];
#endif
state->rx_idx = 0;
@@ -492,7 +479,7 @@ i2c_receive(i2c_state_t *state,
static int i2c_doio(i2c_state_t *state)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR ;
+ volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ;
volatile cpm8xx_t *cp = (cpm8xx_t *)&immap->im_cpm;
volatile i2c8xx_t *i2c = (i2c8xx_t *)&immap->im_i2c;
volatile iic_t *iip = (iic_t *)&cp->cp_dparam[PROFF_IIC];
@@ -501,7 +488,7 @@ static int i2c_doio(i2c_state_t *state)
PRINTD(("[I2C] i2c_doio\n"));
-#ifdef CFG_I2C_UCODE_PATCH
+#ifdef CONFIG_SYS_I2C_UCODE_PATCH
iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase];
#endif
@@ -593,7 +580,7 @@ int i2c_probe(uchar chip)
int rc;
uchar buf[1];
- i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
i2c_newio(&state);
@@ -628,7 +615,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
xaddr[2] = (addr >> 8) & 0xFF;
xaddr[3] = addr & 0xFF;
-#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
+#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
/*
* EEPROM chips that implement "address overflow" are ones like
* Catalyst 24WC04/08/16 which has 9/10/11 bits of address and the
@@ -639,7 +626,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
* be one byte because the extra address bits are hidden in the
* chip address.
*/
- chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
+ chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
#endif
i2c_newio(&state);
@@ -678,7 +665,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
xaddr[2] = (addr >> 8) & 0xFF;
xaddr[3] = addr & 0xFF;
-#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
+#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
/*
* EEPROM chips that implement "address overflow" are ones like
* Catalyst 24WC04/08/16 which has 9/10/11 bits of address and the
@@ -689,7 +676,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
* be one byte because the extra address bits are hidden in the
* chip address.
*/
- chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
+ chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
#endif
i2c_newio(&state);
@@ -717,24 +704,4 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
return 0;
}
-uchar
-i2c_reg_read(uchar i2c_addr, uchar reg)
-{
- uchar buf;
-
- i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
-
- i2c_read(i2c_addr, reg, 1, &buf, 1);
-
- return (buf);
-}
-
-void
-i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
-{
- i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
-
- i2c_write(i2c_addr, reg, 1, &val, 1);
-}
-
#endif /* CONFIG_HARD_I2C */
generated by cgit v1.1 at 2024-11-23 03:24:29 +0000