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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Mon, 23 May 2011 21:11:46 +0000 (UTC)
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Subject: svn commit: r222227 - head/sys/dev/msk
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Author: yongari
Date: Mon May 23 21:11:46 2011
New Revision: 222227
URL: http://svn.freebsd.org/changeset/base/222227
Log:
Do not touch ASF related register for controllers that do not have
these registers. Also disable Watchdog of ASF microcontroller.
Modified:
head/sys/dev/msk/if_msk.c
head/sys/dev/msk/if_mskreg.h
Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c Mon May 23 21:00:56 2011 (r222226)
+++ head/sys/dev/msk/if_msk.c Mon May 23 21:11:46 2011 (r222227)
@@ -1296,23 +1296,30 @@ mskc_reset(struct msk_softc *sc)
int i, initram;
/* Disable ASF. */
- if (sc->msk_hw_id == CHIP_ID_YUKON_EX) {
- status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
- /* Clear AHB bridge & microcontroller reset. */
- status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
- Y2_ASF_HCU_CCSR_CPU_RST_MODE);
- /* Clear ASF microcontroller state. */
- status &= ~ Y2_ASF_HCU_CCSR_UC_STATE_MSK;
- CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
- } else
- CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
- CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
-
- /*
- * Since we disabled ASF, S/W reset is required for Power Management.
- */
- CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
- CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
+ if (sc->msk_hw_id >= CHIP_ID_YUKON_XL &&
+ sc->msk_hw_id <= CHIP_ID_YUKON_SUPR) {
+ if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
+ sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
+ CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
+ status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
+ /* Clear AHB bridge & microcontroller reset. */
+ status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
+ Y2_ASF_HCU_CCSR_CPU_RST_MODE);
+ /* Clear ASF microcontroller state. */
+ status &= ~Y2_ASF_HCU_CCSR_UC_STATE_MSK;
+ status &= ~Y2_ASF_HCU_CCSR_CPU_CLK_DIVIDE_MSK;
+ CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
+ CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
+ } else
+ CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
+ CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
+ /*
+ * Since we disabled ASF, S/W reset is required for
+ * Power Management.
+ */
+ CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
+ CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
+ }
/* Clear all error bits in the PCI status register. */
status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
Modified: head/sys/dev/msk/if_mskreg.h
==============================================================================
--- head/sys/dev/msk/if_mskreg.h Mon May 23 21:00:56 2011 (r222226)
+++ head/sys/dev/msk/if_mskreg.h Mon May 23 21:11:46 2011 (r222227)
@@ -677,6 +677,7 @@
/* ASF Subsystem Registers (Yukon-2 only) */
#define B28_Y2_SMB_CONFIG 0x0e40 /* 32 bit ASF SMBus Config Register */
#define B28_Y2_SMB_CSD_REG 0x0e44 /* 32 bit ASF SMB Control/Status/Data */
+#define B28_Y2_CPU_WDOG 0x0e48 /* 32 bit Watchdog Register */
#define B28_Y2_ASF_IRQ_V_BASE 0x0e60 /* 32 bit ASF IRQ Vector Base */
#define B28_Y2_ASF_STAT_CMD 0x0e68 /* 32 bit ASF Status and Command Reg */
#define B28_Y2_ASF_HCU_CCSR 0x0e68 /* 32 bit ASF HCU CCSR (Yukon EX) */