diff options
| author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2014-03-19 05:44:22 (GMT) |
|---|---|---|
| committer | Jose Rivera <German.Rivera@freescale.com> | 2014-03-19 14:06:28 (GMT) |
| commit | 504b615e3dd04d0e347174a7fb6d41da3b06cfb9 (patch) | |
| tree | 93d31cbabca34c7eeb6a60e2856b02993191b61b /arch/powerpc/include | |
| parent | b4689aaab5392994cf6d6ec5c84f771d5887cded (diff) | |
| download | linux-fsl-qoriq-504b615e3dd04d0e347174a7fb6d41da3b06cfb9.tar.xz | |
powerpc/mpc85xx: Add deep sleep support for IFC
Add support of suspend, resume function to support deep sleep.
Also make sure of SRAM initialization during resume.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Change-Id: Ia3d484ff272d6c7feebb74a5ad95f74fb91cdd68
Reviewed-on: http://git.am.freescale.net:8181/9444
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Dongsheng Wang <dongsheng.wang@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
(cherry picked from commit 82a066c3f93441a7e80c1a603ff185ee4d16bf25)
Reviewed-on: http://git.am.freescale.net:8181/9928
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/fsl_ifc.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fsl_ifc.h b/arch/powerpc/include/asm/fsl_ifc.h index f49ddb1..e06473b 100644 --- a/arch/powerpc/include/asm/fsl_ifc.h +++ b/arch/powerpc/include/asm/fsl_ifc.h @@ -261,6 +261,8 @@ */ /* Auto Boot Mode */ #define IFC_NAND_NCFGR_BOOT 0x80000000 +/* SRAM INIT EN */ +#define IFC_NAND_SRAM_INIT_EN 0x20000000 /* Addressing Mode-ROW0+n/COL0 */ #define IFC_NAND_NCFGR_ADDR_MODE_RC0 0x00000000 /* Addressing Mode-ROW0+n/COL0+n */ @@ -830,6 +832,10 @@ struct fsl_ifc_ctrl { u32 nand_stat; wait_queue_head_t nand_wait; +#ifdef CONFIG_PM_SLEEP + /* save regs when system go to deep-sleep */ + struct fsl_ifc_regs *saved_regs; +#endif }; extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev; |