ARM: rockchip: add suspend and resume for RK3288
It's a basic version of suspend and resume for rockchip,
it only support RK3288 now.
Signed-off-by: Tony Xie <xxx@rock-chips.com>
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Tested-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
diff --git a/arch/arm/mach-rockchip/pm.h b/arch/arm/mach-rockchip/pm.h
new file mode 100644
index 0000000..7d752ff
--- /dev/null
+++ b/arch/arm/mach-rockchip/pm.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
+ * Author: Tony Xie <tony.xie@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef __MACH_ROCKCHIP_PM_H
+#define __MACH_ROCKCHIP_PM_H
+
+extern unsigned long rkpm_bootdata_cpusp;
+extern unsigned long rkpm_bootdata_cpu_code;
+extern unsigned long rkpm_bootdata_l2ctlr_f;
+extern unsigned long rkpm_bootdata_l2ctlr;
+extern unsigned long rkpm_bootdata_ddr_code;
+extern unsigned long rkpm_bootdata_ddr_data;
+extern unsigned long rk3288_bootram_sz;
+
+void rockchip_slp_cpu_resume(void);
+void __init rockchip_suspend_init(void);
+
+/****** following is rk3288 defined **********/
+#define RK3288_PMU_WAKEUP_CFG0 0x00
+#define RK3288_PMU_WAKEUP_CFG1 0x04
+#define RK3288_PMU_PWRMODE_CON 0x18
+#define RK3288_PMU_OSC_CNT 0x20
+#define RK3288_PMU_PLL_CNT 0x24
+#define RK3288_PMU_STABL_CNT 0x28
+#define RK3288_PMU_DDR0IO_PWRON_CNT 0x2c
+#define RK3288_PMU_DDR1IO_PWRON_CNT 0x30
+#define RK3288_PMU_CORE_PWRDWN_CNT 0x34
+#define RK3288_PMU_CORE_PWRUP_CNT 0x38
+#define RK3288_PMU_GPU_PWRDWN_CNT 0x3c
+#define RK3288_PMU_GPU_PWRUP_CNT 0x40
+#define RK3288_PMU_WAKEUP_RST_CLR_CNT 0x44
+#define RK3288_PMU_PWRMODE_CON1 0x90
+
+#define RK3288_SGRF_SOC_CON0 (0x0000)
+#define RK3288_SGRF_FAST_BOOT_ADDR (0x0120)
+#define SGRF_FAST_BOOT_EN BIT(8)
+#define SGRF_FAST_BOOT_EN_WRITE BIT(24)
+
+#define RK3288_CRU_MODE_CON 0x50
+#define RK3288_CRU_SEL0_CON 0x60
+#define RK3288_CRU_SEL1_CON 0x64
+#define RK3288_CRU_SEL10_CON 0x88
+#define RK3288_CRU_SEL33_CON 0xe4
+#define RK3288_CRU_SEL37_CON 0xf4
+
+/* PMU_WAKEUP_CFG1 bits */
+#define PMU_ARMINT_WAKEUP_EN BIT(0)
+
+enum rk3288_pwr_mode_con {
+ PMU_PWR_MODE_EN = 0,
+ PMU_CLK_CORE_SRC_GATE_EN,
+ PMU_GLOBAL_INT_DISABLE,
+ PMU_L2FLUSH_EN,
+ PMU_BUS_PD_EN,
+ PMU_A12_0_PD_EN,
+ PMU_SCU_EN,
+ PMU_PLL_PD_EN,
+ PMU_CHIP_PD_EN, /* POWER OFF PIN ENABLE */
+ PMU_PWROFF_COMB,
+ PMU_ALIVE_USE_LF,
+ PMU_PMU_USE_LF,
+ PMU_OSC_24M_DIS,
+ PMU_INPUT_CLAMP_EN,
+ PMU_WAKEUP_RESET_EN,
+ PMU_SREF0_ENTER_EN,
+ PMU_SREF1_ENTER_EN,
+ PMU_DDR0IO_RET_EN,
+ PMU_DDR1IO_RET_EN,
+ PMU_DDR0_GATING_EN,
+ PMU_DDR1_GATING_EN,
+ PMU_DDR0IO_RET_DE_REQ,
+ PMU_DDR1IO_RET_DE_REQ
+};
+
+enum rk3288_pwr_mode_con1 {
+ PMU_CLR_BUS = 0,
+ PMU_CLR_CORE,
+ PMU_CLR_CPUP,
+ PMU_CLR_ALIVE,
+ PMU_CLR_DMA,
+ PMU_CLR_PERI,
+ PMU_CLR_GPU,
+ PMU_CLR_VIDEO,
+ PMU_CLR_HEVC,
+ PMU_CLR_VIO,
+};
+
+#endif /* __MACH_ROCKCHIP_PM_H */