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powerpc/t4240qds: Add voltage ID support

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T4240 has voltage ID fuse. Read the fuse and configure the voltage
correctly. Core voltage has higher tolerance on over side than below.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
York Sun
2013-03-25 07:33:22 +00:00
committed by Andy Fleming
parent e1d5a2773f
commit 97c7fe61b8
2 changed files with 239 additions and 2 deletions
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12
include/configs/t4qds.h
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@@ -444,11 +444,19 @@ unsigned long get_board_ddr_clk(void);
#define I2C_MUX_PCA_ADDR_PRI 0x77 /* I2C bus multiplexer,primary */
#define I2C_MUX_PCA_ADDR_SEC 0x76 /* I2C bus multiplexer,secondary */
/* VSC Crossbar switches */
#define CONFIG_VSC_CROSSBAR
#define I2C_MUX_CH_DEFAULT 0x8
#define I2C_MUX_CH_VOL_MONITOR 0xa
#define I2C_MUX_CH_VSC3316_FS 0xc
#define I2C_MUX_CH_VSC3316_BS 0xd
/* Voltage monitor on channel 2*/
#define I2C_VOL_MONITOR_ADDR 0x40
#define I2C_VOL_MONITOR_BUS_V_OFFSET 0x2
#define I2C_VOL_MONITOR_BUS_V_OVF 0x1
#define I2C_VOL_MONITOR_BUS_V_SHIFT 3
/* VSC Crossbar switches */
#define CONFIG_VSC_CROSSBAR
#define VSC3316_FSM_TX_ADDR 0x70
#define VSC3316_FSM_RX_ADDR 0x71