xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
複製 0
程式碼 問題管理 合併請求 Actions Packages Projects 版本發佈 Wiki Activity

[IA64-SGI] Add new MMR definitions/Modify BTE initialiation&copy.

瀏覽代碼 
patch 1:
	Add new MMR definitions.
	Modify BTE initialiation.
	Modify BTE copy.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Russ Anderson
2005-04-25 13:19:11 -07:00
committed by Tony Luck
父節點 4628d7cada
當前提交 95ff439a51
共有 5 個文件被更改，包括 80 次插入 和 20 次删除
Download Patch File Download Diff File Expand all files Collapse all files

20
arch/ia64/sn/kernel/bte.c
查看文件

@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*/
#include <linux/config.h>
@@ -170,10 +170,6 @@ retry_bteop:
/* Initialize the notification to a known value. */
*bte->most_rcnt_na = BTE_WORD_BUSY;
/* Set the status reg busy bit and transfer length */
BTE_PRINTKV(("IBLS = 0x%lx\n", IBLS_BUSY | transfer_size));
BTE_LNSTAT_STORE(bte, IBLS_BUSY | transfer_size);
/* Set the source and destination registers */
BTE_PRINTKV(("IBSA = 0x%lx)\n", (TO_PHYS(src))));
BTE_SRC_STORE(bte, TO_PHYS(src));
@@ -188,7 +184,7 @@ retry_bteop:
/* Initiate the transfer */
BTE_PRINTK(("IBCT = 0x%lx)\n", BTE_VALID_MODE(mode)));
BTE_CTRL_STORE(bte, BTE_VALID_MODE(mode));
BTE_START_TRANSFER(bte, transfer_size, BTE_VALID_MODE(mode));
itc_end = ia64_get_itc() + (40000000 * local_cpu_data->cyc_per_usec);
@@ -429,10 +425,16 @@ void bte_init_node(nodepda_t * mynodepda, cnodeid_t cnode)
mynodepda->bte_recovery_timer.data = (unsigned long)mynodepda;
for (i = 0; i < BTES_PER_NODE; i++) {
u64 *base_addr;
/* Which link status register should we use? */
unsigned long link_status = (i == 0 ? IIO_IBLS0 : IIO_IBLS1);
mynodepda->bte_if[i].bte_base_addr = (u64 *)
REMOTE_HUB_ADDR(cnodeid_to_nasid(cnode), link_status);
base_addr = (u64 *)
REMOTE_HUB_ADDR(cnodeid_to_nasid(cnode), BTE_BASE_ADDR(i));
mynodepda->bte_if[i].bte_base_addr = base_addr;
mynodepda->bte_if[i].bte_source_addr = BTE_SOURCE_ADDR(base_addr);
mynodepda->bte_if[i].bte_destination_addr = BTE_DEST_ADDR(base_addr);
mynodepda->bte_if[i].bte_control_addr = BTE_CTRL_ADDR(base_addr);
mynodepda->bte_if[i].bte_notify_addr = BTE_NOTIF_ADDR(base_addr);
/*
* Initialize the notification and spinlock