Djam/u-boot
1
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2025-04-16 09:54:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Revert "ARM: AM33XX: Add AM33XX I2C driver support"

Browse source 
This reverts commit 498cbdfe62 as we need
to revert the i2c changes that add the support for the platform.

Cc: Heiko Schocher <hs@denx.de>
Cc: Patil, Rachna <rachna@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2012-02-20 18:49:15 +00:00 • committed by Heiko Schocher
parent 2acca35ce4
commit c2459a405b
1 changed files with 7 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
drivers/i2c/omap24xx_i2c.c
View file

@ -147,7 +147,7 @@ static void flush_fifo(void)
stat = readw(&i2c_base->stat); stat = readw(&i2c_base->stat);
if (stat == I2C_STAT_RRDY) { if (stat == I2C_STAT_RRDY) {
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \
defined(CONFIG_OMAP44XX) || defined(CONFIG_AM33XX) defined(CONFIG_OMAP44XX)
readb(&i2c_base->data); readb(&i2c_base->data);
#else #else
readw(&i2c_base->data); readw(&i2c_base->data);
@ -247,8 +247,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
switch (alen) { switch (alen) {
case 2: case 2:
/* Send address MSByte */ /* Send address MSByte */
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
defined(CONFIG_AM33XX)
writew(((addr >> 8) & 0xFF), &i2c_base->data); writew(((addr >> 8) & 0xFF), &i2c_base->data);
/* Clearing XRDY event */ /* Clearing XRDY event */
@ -265,8 +264,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
} }
#endif #endif
case 1: case 1:
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
defined(CONFIG_AM33XX)
/* Send address LSByte */ /* Send address LSByte */
writew((addr & 0xFF), &i2c_base->data); writew((addr & 0xFF), &i2c_base->data);
#else #else
@ -315,8 +313,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
} }
if (status & I2C_STAT_RRDY) { if (status & I2C_STAT_RRDY) {
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
defined(CONFIG_AM33XX)
buffer[i] = readb(&i2c_base->data); buffer[i] = readb(&i2c_base->data);
#else #else
*((u16 *)&buffer[i]) = *((u16 *)&buffer[i]) =
@ -403,8 +400,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
if (!i2c_error) { if (!i2c_error) {
if (status & I2C_STAT_XRDY) { if (status & I2C_STAT_XRDY) {
switch (alen) { switch (alen) {
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
defined(CONFIG_AM33XX)
case 2: case 2:
/* send out MSB byte */ /* send out MSB byte */
writeb(((addr >> 8) & 0xFF), &i2c_base->data); writeb(((addr >> 8) & 0xFF), &i2c_base->data);
@ -424,8 +420,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
break; break;
} }
case 1: case 1:
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
defined(CONFIG_AM33XX)
/* send out MSB byte */ /* send out MSB byte */
writeb((addr & 0xFF), &i2c_base->data); writeb((addr & 0xFF), &i2c_base->data);
#else #else
@ -447,8 +442,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
if (!i2c_error) { if (!i2c_error) {
for (i = ((alen > 1) ? 0 : 1); i < len; i++) { for (i = ((alen > 1) ? 0 : 1); i < len; i++) {
if (status & I2C_STAT_XRDY) { if (status & I2C_STAT_XRDY) {
#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \ #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
defined(CONFIG_AM33XX)
writeb((buffer[i] & 0xFF), writeb((buffer[i] & 0xFF),
&i2c_base->data); &i2c_base->data);
#else #else