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soc: intel_s1000: Add SoC routine for GNA power-up

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Add an SoC level routine to turn power and clock on for
Intel GNA block in Intel S1000 SoC.

Signed-off-by: Sathish Kuttan <sathish.k.kuttan@intel.com>
This commit is contained in:
Sathish Kuttan 2019-01-11 16:19:48 -08:00 • committed by Anas Nashif
commit 39570b5bae
2 changed files with 44 additions and 8 deletions
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14
soc/xtensa/intel_s1000/soc.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018 Intel Corporation
* Copyright (c) 2019 Intel Corporation
* SPDX-License-Identifier: Apache-2.0
*/
@ -161,12 +161,22 @@ struct soc_dsp_shim_regs {
/* Global Control registers */
#define SOC_S1000_GLB_CTRL_BASE (0x00081C00)
#define SOC_S1000_GLB_CTRL_STRAPS (SOC_S1000_GLB_CTRL_BASE + 0x40)
#define SOC_GNA_POWER_CONTROL_SPA (BIT(0))
#define SOC_GNA_POWER_CONTROL_CPA (BIT(8))
#define SOC_GNA_POWER_CONTROL_CLK_EN (BIT(16))
#define SOC_S1000_STRAP_REF_CLK (BIT_MASK(2) << 3)
#define SOC_S1000_STRAP_REF_CLK_38P4 (0 << 3)
#define SOC_S1000_STRAP_REF_CLK_19P2 (1 << 3)
#define SOC_S1000_STRAP_REF_CLK_24P576 (2 << 3)
struct soc_global_regs {
u32_t reserved1[8];
u32_t gna_power_control;
u32_t reserved2[7];
u32_t straps;
};
extern void _soc_irq_enable(u32_t irq);
extern void _soc_irq_disable(u32_t irq);
extern void dcache_writeback_region(void *addr, size_t size);