OMAP3: PM: SCM context save/restore
Add context save and restore for the System Control Module to suport off-mode. ETK and debobs definitions added by Peter De Schrijver. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Rajendra Nayak
committed by
Kevin Hilman
Kevin Hilman
parent
8014078684
commit
c96631e138
@@ -26,6 +26,7 @@
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static void __iomem *omap2_ctrl_base;
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#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
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struct omap3_scratchpad {
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u32 boot_config_ptr;
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u32 public_restore_ptr;
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@@ -92,6 +93,47 @@ struct omap3_scratchpad_sdrc_block {
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*/
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u32 omap3_arm_context[128];
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struct omap3_control_regs {
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u32 sysconfig;
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u32 devconf0;
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u32 mem_dftrw0;
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u32 mem_dftrw1;
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u32 msuspendmux_0;
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u32 msuspendmux_1;
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u32 msuspendmux_2;
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u32 msuspendmux_3;
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u32 msuspendmux_4;
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u32 msuspendmux_5;
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u32 sec_ctrl;
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u32 devconf1;
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u32 csirxfe;
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u32 iva2_bootaddr;
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u32 iva2_bootmod;
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u32 debobs_0;
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u32 debobs_1;
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u32 debobs_2;
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u32 debobs_3;
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u32 debobs_4;
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u32 debobs_5;
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u32 debobs_6;
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u32 debobs_7;
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u32 debobs_8;
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u32 prog_io0;
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u32 prog_io1;
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u32 dss_dpll_spreading;
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u32 core_dpll_spreading;
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u32 per_dpll_spreading;
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u32 usbhost_dpll_spreading;
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u32 pbias_lite;
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u32 temp_sensor;
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u32 sramldo4;
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u32 sramldo5;
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u32 csi;
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};
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static struct omap3_control_regs control_context;
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#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
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#define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg))
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void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
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@@ -134,7 +176,7 @@ void omap_ctrl_writel(u32 val, u16 offset)
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__raw_writel(val, OMAP_CTRL_REGADDR(offset));
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}
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#ifdef CONFIG_ARCH_OMAP3
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#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
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/*
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* Clears the scratchpad contents in case of cold boot-
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* called during bootup
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@@ -264,4 +306,115 @@ void omap3_save_scratchpad_contents(void)
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sizeof(sdrc_block_contents), &arm_context_addr, 4);
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}
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#endif /* CONFIG_ARCH_OMAP3 */
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void omap3_control_save_context(void)
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{
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control_context.sysconfig = omap_ctrl_readl(OMAP2_CONTROL_SYSCONFIG);
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control_context.devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
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control_context.mem_dftrw0 =
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omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW0);
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control_context.mem_dftrw1 =
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omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW1);
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control_context.msuspendmux_0 =
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omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_0);
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control_context.msuspendmux_1 =
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omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_1);
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control_context.msuspendmux_2 =
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omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_2);
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control_context.msuspendmux_3 =
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omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_3);
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control_context.msuspendmux_4 =
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omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_4);
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control_context.msuspendmux_5 =
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omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_5);
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control_context.sec_ctrl = omap_ctrl_readl(OMAP2_CONTROL_SEC_CTRL);
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control_context.devconf1 = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
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control_context.csirxfe = omap_ctrl_readl(OMAP343X_CONTROL_CSIRXFE);
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control_context.iva2_bootaddr =
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omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTADDR);
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control_context.iva2_bootmod =
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omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTMOD);
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control_context.debobs_0 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(0));
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control_context.debobs_1 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(1));
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control_context.debobs_2 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(2));
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control_context.debobs_3 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(3));
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control_context.debobs_4 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(4));
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control_context.debobs_5 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(5));
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control_context.debobs_6 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(6));
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control_context.debobs_7 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(7));
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control_context.debobs_8 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(8));
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control_context.prog_io0 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO0);
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control_context.prog_io1 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
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control_context.dss_dpll_spreading =
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omap_ctrl_readl(OMAP343X_CONTROL_DSS_DPLL_SPREADING);
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control_context.core_dpll_spreading =
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omap_ctrl_readl(OMAP343X_CONTROL_CORE_DPLL_SPREADING);
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control_context.per_dpll_spreading =
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omap_ctrl_readl(OMAP343X_CONTROL_PER_DPLL_SPREADING);
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control_context.usbhost_dpll_spreading =
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omap_ctrl_readl(OMAP343X_CONTROL_USBHOST_DPLL_SPREADING);
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control_context.pbias_lite =
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omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
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control_context.temp_sensor =
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omap_ctrl_readl(OMAP343X_CONTROL_TEMP_SENSOR);
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control_context.sramldo4 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO4);
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control_context.sramldo5 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO5);
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control_context.csi = omap_ctrl_readl(OMAP343X_CONTROL_CSI);
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return;
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}
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void omap3_control_restore_context(void)
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{
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omap_ctrl_writel(control_context.sysconfig, OMAP2_CONTROL_SYSCONFIG);
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omap_ctrl_writel(control_context.devconf0, OMAP2_CONTROL_DEVCONF0);
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omap_ctrl_writel(control_context.mem_dftrw0,
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OMAP343X_CONTROL_MEM_DFTRW0);
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omap_ctrl_writel(control_context.mem_dftrw1,
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OMAP343X_CONTROL_MEM_DFTRW1);
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omap_ctrl_writel(control_context.msuspendmux_0,
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OMAP2_CONTROL_MSUSPENDMUX_0);
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omap_ctrl_writel(control_context.msuspendmux_1,
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OMAP2_CONTROL_MSUSPENDMUX_1);
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omap_ctrl_writel(control_context.msuspendmux_2,
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OMAP2_CONTROL_MSUSPENDMUX_2);
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omap_ctrl_writel(control_context.msuspendmux_3,
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OMAP2_CONTROL_MSUSPENDMUX_3);
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omap_ctrl_writel(control_context.msuspendmux_4,
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OMAP2_CONTROL_MSUSPENDMUX_4);
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omap_ctrl_writel(control_context.msuspendmux_5,
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OMAP2_CONTROL_MSUSPENDMUX_5);
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omap_ctrl_writel(control_context.sec_ctrl, OMAP2_CONTROL_SEC_CTRL);
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omap_ctrl_writel(control_context.devconf1, OMAP343X_CONTROL_DEVCONF1);
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omap_ctrl_writel(control_context.csirxfe, OMAP343X_CONTROL_CSIRXFE);
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omap_ctrl_writel(control_context.iva2_bootaddr,
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OMAP343X_CONTROL_IVA2_BOOTADDR);
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omap_ctrl_writel(control_context.iva2_bootmod,
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OMAP343X_CONTROL_IVA2_BOOTMOD);
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omap_ctrl_writel(control_context.debobs_0, OMAP343X_CONTROL_DEBOBS(0));
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omap_ctrl_writel(control_context.debobs_1, OMAP343X_CONTROL_DEBOBS(1));
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omap_ctrl_writel(control_context.debobs_2, OMAP343X_CONTROL_DEBOBS(2));
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omap_ctrl_writel(control_context.debobs_3, OMAP343X_CONTROL_DEBOBS(3));
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omap_ctrl_writel(control_context.debobs_4, OMAP343X_CONTROL_DEBOBS(4));
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omap_ctrl_writel(control_context.debobs_5, OMAP343X_CONTROL_DEBOBS(5));
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omap_ctrl_writel(control_context.debobs_6, OMAP343X_CONTROL_DEBOBS(6));
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omap_ctrl_writel(control_context.debobs_7, OMAP343X_CONTROL_DEBOBS(7));
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omap_ctrl_writel(control_context.debobs_8, OMAP343X_CONTROL_DEBOBS(8));
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omap_ctrl_writel(control_context.prog_io0, OMAP343X_CONTROL_PROG_IO0);
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omap_ctrl_writel(control_context.prog_io1, OMAP343X_CONTROL_PROG_IO1);
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omap_ctrl_writel(control_context.dss_dpll_spreading,
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OMAP343X_CONTROL_DSS_DPLL_SPREADING);
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omap_ctrl_writel(control_context.core_dpll_spreading,
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OMAP343X_CONTROL_CORE_DPLL_SPREADING);
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omap_ctrl_writel(control_context.per_dpll_spreading,
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OMAP343X_CONTROL_PER_DPLL_SPREADING);
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omap_ctrl_writel(control_context.usbhost_dpll_spreading,
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OMAP343X_CONTROL_USBHOST_DPLL_SPREADING);
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omap_ctrl_writel(control_context.pbias_lite,
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OMAP343X_CONTROL_PBIAS_LITE);
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omap_ctrl_writel(control_context.temp_sensor,
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OMAP343X_CONTROL_TEMP_SENSOR);
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omap_ctrl_writel(control_context.sramldo4, OMAP343X_CONTROL_SRAMLDO4);
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omap_ctrl_writel(control_context.sramldo5, OMAP343X_CONTROL_SRAMLDO5);
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omap_ctrl_writel(control_context.csi, OMAP343X_CONTROL_CSI);
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return;
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}
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#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
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