4 commits

Author	SHA1	Message	Date
Baruch Siach	6cb971114f	xtensa: remap io area defined in device tree ... Use the simple-bus node to discover the io area, and remap the cached and bypass io ranges. The parent-bus-address value of the first triplet in the "ranges" property is used. This value is rounded down to the nearest 256MB boundary. The length of the io area is fixed at 256MB; the "ranges" property length value is ignored. Other limitations: (1) only the first simple-bus node is considered, and (2) only the first triplet of the "ranges" property is considered. See ePAPR 1.1 §6.5 for the simple-bus node description, and §2.3.8 for the "ranges" property description. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>	2014-01-15 00:25:14 +04:00
Baruch Siach	5f42146e75	xtensa: fix ATOMCTL register documentation ... Make the WT entry match table 4-52 of the Xtensa ISA RM (RD-2012.5). Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>	2014-01-15 00:21:23 +04:00
Max Filippov	93e294ac99	xtensa: document MMUv3 setup sequence ... Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>	2013-05-09 01:07:09 -07:00
Max Filippov	c622b29d1f	xtensa: initialize atomctl SR ... In order to use S32C1I instruction on cores with ATOMCTL SR the register must be properly initialized. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>	2012-12-18 21:10:22 -08:00