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Fix cirrus voltage detection (for CPC45)

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This commit is contained in:
wdenk 2005-02-07 19:44:17 +00:00
parent 2f916943c9
commit e799d3755e
2 changed files with 33 additions and 38 deletions
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2
CHANGELOG
View File

@ -2,6 +2,8 @@
Changes for U-Boot 1.1.3:
======================================================================
* Fix cirrus voltage detection (for CPC45)
* Fix byteorder problem in usbboot and scsiboot commands.
* Patch by Cajus Hahn, 04 Feb 2005:

69
drivers/i82365.c
View File

@ -1,5 +1,5 @@
/*
* (C) Copyright 2003-2004
* (C) Copyright 2003-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@ -443,31 +443,6 @@ static int cb_set_power (socket_info_t * s, socket_state_t * state)
#ifdef CONFIG_CPC45
if ((state->Vcc == 0) && (state->Vpp == 0)) {
u_char power, vcc, vpp;
power = i365_get (s, I365_POWER);
state->flags |= (power & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
state->flags |= (power & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
vcc = power & I365_VCC_MASK;
vpp = power & I365_VPP1_MASK;
state->Vcc = state->Vpp = 0;
if (i365_get (s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) {
if (power & I365_VCC_5V)
state->Vcc = 33;
if (vpp == I365_VPP1_5V)
state->Vpp = 33;
} else {
if (power & I365_VCC_5V)
state->Vcc = 50;
if (vpp == I365_VPP1_5V)
state->Vpp = 50;
}
if (power == I365_VPP1_12V)
state->Vpp = 120;
printf ("POWER Vcc:%d Vpp: %d\n", state->Vcc, state->Vpp);
}
reg = I365_PWR_NORESET;
if (state->flags & SS_PWR_AUTO)
reg |= I365_PWR_AUTO;
@ -497,8 +472,11 @@ static int cb_set_power (socket_info_t * s, socket_state_t * state)
return -1;
}
}
if (reg != i365_get (s, I365_POWER))
if (reg != i365_get (s, I365_POWER)) {
reg = (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V);
i365_set (s, I365_POWER, reg);
}
#else /* ! CONFIG_CPC45 */
@ -579,6 +557,12 @@ static void set_bridge_opts (socket_info_t * s)
}
/*====================================================================*/
#define PD67_EXT_INDEX 0x2e /* Extension index */
#define PD67_EXT_DATA 0x2f /* Extension data */
#define PD67_EXD_VS1(s) (0x01 << ((s)<<1))
#define pd67_ext_get(s, r) \
(i365_set(s, PD67_EXT_INDEX, r), i365_get(s, PD67_EXT_DATA))
static int i365_get_status (socket_info_t * s, u_int * value)
{
@ -586,6 +570,7 @@ static int i365_get_status (socket_info_t * s, u_int * value)
#ifdef CONFIG_CPC45
u_char val;
u_char power, vcc, vpp;
u_int powerstate;
#endif
status = i365_get (s, I365_IDENT);
@ -620,24 +605,32 @@ static int i365_get_status (socket_info_t * s, u_int * value)
return -1;
}
i365_bset (s, I365_POWER, I365_VCC_5V);
power = i365_get (s, I365_POWER);
state.flags |= (power & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
state.flags |= (power & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
vcc = power & I365_VCC_MASK;
vpp = power & I365_VPP1_MASK;
state.Vcc = state.Vpp = 0;
if (i365_get (s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) {
if (power & I365_VCC_5V)
state.Vcc = 33;
if (vpp == I365_VPP1_5V)
state.Vpp = 33;
} else {
if (power & I365_VCC_5V)
state.Vcc = 50;
if (vpp == I365_VPP1_5V)
state.Vpp = 50;
if((vcc== 0) || (vpp == 0)) {
/*
* On the Cirrus we get the info which card voltage
* we have in EXTERN DATA and write it to MISC_CTL1
*/
powerstate = pd67_ext_get(s, PD67_EXTERN_DATA);
if (powerstate & PD67_EXD_VS1(0)) {
/* 5V Card */
i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
} else {
/* 3.3V Card */
i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
}
i365_set (s, I365_POWER, (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V));
power = i365_get (s, I365_POWER);
}
if (power & I365_VCC_5V) {
state.Vcc = (i365_get(s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) ? 33 : 50;
}
if (power == I365_VPP1_12V)
state.Vpp = 120;