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The TOPIC97 and TOPIC100 seem to have a special register in the exca

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space that enables low voltage operation (and maybe other stuff).
Enable the bits in this register so low voltage 16-bit cards may work.

Existance noticed in NetBSD driver.
This commit is contained in:
Warner Losh 2006-08-12 08:53:54 +00:00
parent 87bd40393c
commit 3c48d33eec
1 changed files with 6 additions and 0 deletions
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6
sys/dev/exca/excareg.h
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@ -402,6 +402,12 @@
#define EXCA_O2CC_IREQ_INTC 0x80
#define EXCA_O2CC_STSCHG_INTC 0x20
/*
* TOPIC specific registers
*/
#define EXCA_TOPIC97_CTRL 0x3e
#define EXCA_TOPIC97_CTRL_LV_MASK 0x03
/* Plug and play */
#define EXCA_PNP_ACTIONTEC 0x1802A904 /* AEI0218 */
#define EXCA_PNP_IBM3765 0x65374d24 /* IBM3765 */