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authorTimur Tabi <timur@freescale.com>2006-10-31 21:23:16 -0600
committerKim Phillips <kim.phillips@freescale.com>2006-11-03 19:42:22 -0600
commit9ca880a250870a7d55754291b5591d2b5fe89b54 (patch)
treebfef7c3013d3423222e2af4522b3341f42398f8e /board/mpc8360emds
parentac4b5622ce050b5ee1e154b98df630d778661632 (diff)
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mpc83xx: Fix dual I2C support for the MPC8349ITX, MPC8349EMDS, TQM834x, and MPC8360EMDS
This patch also adds an improved I2C set_speed(), which handles all clock frequencies. Signed-off-by: Timur Tabi <timur@freescale.com>
Diffstat (limited to 'board/mpc8360emds')
-rw-r--r--board/mpc8360emds/pci.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/board/mpc8360emds/pci.c b/board/mpc8360emds/pci.c
index 880b2ec..64ea509 100644
--- a/board/mpc8360emds/pci.c
+++ b/board/mpc8360emds/pci.c
@@ -198,8 +198,11 @@ void pci_init_board(void)
* Assign PIB PMC slot to desired PCI bus
*/
- mpc83xx_i2c = (i2c_t *) (CFG_IMMRBAR + CFG_I2C2_OFFSET);
- i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ /* Switch temporarily to I2C bus #2 */
+ orig_i2c_bus = i2c_get_bus_num();
+
+ if(orig_i2c_bus != 2)
+ i2c_set_bus_num(2);
val8 = 0;
i2c_write(0x23, 0x6, 1, &val8, 1);
@@ -227,6 +230,10 @@ void pci_init_board(void)
i2c_write(0x27, 0x3, 1, &val8, 1);
asm("eieio");
+ /* Reset to original I2C bus */
+ if(orig_i2c_bus != 2)
+ i2c_set_bus_num(orig_i2c_bus);
+
/*
* Release PCI RST Output signal
*/