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authorPeng Fan <peng.fan@nxp.com>2016-01-28 16:55:00 +0800
committerStefano Babic <sbabic@denx.de>2016-02-21 11:46:26 +0100
commitde09c43bbfeeae767a8561d2810df55675e8b1a4 (patch)
tree08ff1546c0cd20560b52e1173f8e6a5655f0dfad /arch/arm/include
parent613e01065a17e17af9b6ab5b41c976a03990cc1a (diff)
imx: imx-common: introduce Resource Domain Controller support
Introduce Resource Domain Controller support for i.MX. Now i.MX6SX and i.MX7D supports this feature to assign masters and peripherals to different domains. Signed-off-by: Ye.Li <ye.li@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/arch-mx6/imx-rdc.h12
-rw-r--r--arch/arm/include/asm/imx-common/rdc-sema.h100
2 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx6/imx-rdc.h b/arch/arm/include/asm/arch-mx6/imx-rdc.h
new file mode 100644
index 0000000000..5754f049e4
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx6/imx-rdc.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __IMX_RDC_H__
+#define __IMX_RDC_H__
+
+#error "Please select cpu"
+
+#endif /* __IMX_RDC_H__*/
diff --git a/arch/arm/include/asm/imx-common/rdc-sema.h b/arch/arm/include/asm/imx-common/rdc-sema.h
new file mode 100644
index 0000000000..2c61e56126
--- /dev/null
+++ b/arch/arm/include/asm/imx-common/rdc-sema.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __RDC_SEMA_H__
+#define __RDC_SEMA_H__
+
+/*
+ * rdc_peri_cfg_t and rdc_ma_cft_t use the same layout.
+ *
+ * [ 23 22 | 21 20 | 19 18 | 17 16 ] | [ 15 - 8 ] | [ 7 - 0 ]
+ * d3 d2 d1 d0 | master id | peri id
+ * d[x] means domain[x], x can be [3 - 0].
+ */
+typedef u32 rdc_peri_cfg_t;
+typedef u32 rdc_ma_cfg_t;
+
+#define RDC_PERI_SHIFT 0
+#define RDC_PERI_MASK 0xFF
+
+#define RDC_DOMAIN_SHIFT_BASE 16
+#define RDC_DOMAIN_MASK 0xFF0000
+#define RDC_DOMAIN_SHIFT(x) (RDC_DOMAIN_SHIFT_BASE + ((x << 1)))
+#define RDC_DOMAIN(x) ((rdc_peri_cfg_t)(0x3 << RDC_DOMAIN_SHIFT(x)))
+
+#define RDC_MASTER_SHIFT 8
+#define RDC_MASTER_MASK 0xFF00
+#define RDC_MASTER_CFG(master_id, domain_id) (rdc_ma_cfg_t)((master_id << 8) | \
+ (domain_id << RDC_DOMAIN_SHIFT_BASE))
+
+/* The Following macro definitions are common to i.MX6SX and i.MX7D */
+#define SEMA_GATES_NUM 64
+
+#define RDC_MDA_DID_SHIFT 0
+#define RDC_MDA_DID_MASK (0x3 << RDC_MDA_DID_SHIFT)
+#define RDC_MDA_LCK_SHIFT 31
+#define RDC_MDA_LCK_MASK (0x1 << RDC_MDA_LCK_SHIFT)
+
+#define RDC_PDAP_DW_SHIFT(domain) ((domain) << 1)
+#define RDC_PDAP_DR_SHIFT(domain) (1 + RDC_PDAP_DW_SHIFT(domain))
+#define RDC_PDAP_DW_MASK(domain) (1 << RDC_PDAP_DW_SHIFT(domain))
+#define RDC_PDAP_DR_MASK(domain) (1 << RDC_PDAP_DR_SHIFT(domain))
+#define RDC_PDAP_DRW_MASK(domain) (RDC_PDAP_DW_MASK(domain) | \
+ RDC_PDAP_DR_MASK(domain))
+
+#define RDC_PDAP_SREQ_SHIFT 30
+#define RDC_PDAP_SREQ_MASK (0x1 << RDC_PDAP_SREQ_SHIFT)
+#define RDC_PDAP_LCK_SHIFT 31
+#define RDC_PDAP_LCK_MASK (0x1 << RDC_PDAP_LCK_SHIFT)
+
+#define RDC_MRSA_SADR_SHIFT 7
+#define RDC_MRSA_SADR_MASK (0x1ffffff << RDC_MRSA_SADR_SHIFT)
+
+#define RDC_MREA_EADR_SHIFT 7
+#define RDC_MREA_EADR_MASK (0x1ffffff << RDC_MREA_EADR_SHIFT)
+
+#define RDC_MRC_DW_SHIFT(domain) (domain)
+#define RDC_MRC_DR_SHIFT(domain) (1 + RDC_MRC_DW_SHIFT(domain))
+#define RDC_MRC_DW_MASK(domain) (1 << RDC_MRC_DW_SHIFT(domain))
+#define RDC_MRC_DR_MASK(domain) (1 << RDC_MRC_DR_SHIFT(domain))
+#define RDC_MRC_DRW_MASK(domain) (RDC_MRC_DW_MASK(domain) | \
+ RDC_MRC_DR_MASK(domain))
+#define RDC_MRC_ENA_SHIFT 30
+#define RDC_MRC_ENA_MASK (0x1 << RDC_MRC_ENA_SHIFT)
+#define RDC_MRC_LCK_SHIFT 31
+#define RDC_MRC_LCK_MASK (0x1 << RDC_MRC_LCK_SHIFT)
+
+#define RDC_MRVS_VDID_SHIFT 0
+#define RDC_MRVS_VDID_MASK (0x3 << RDC_MRVS_VDID_SHIFT)
+#define RDC_MRVS_AD_SHIFT 4
+#define RDC_MRVS_AD_MASK (0x1 << RDC_MRVS_AD_SHIFT)
+#define RDC_MRVS_VADDR_SHIFT 5
+#define RDC_MRVS_VADDR_MASK (0x7ffffff << RDC_MRVS_VADDR_SHIFT)
+
+#define RDC_SEMA_GATE_GTFSM_SHIFT 0
+#define RDC_SEMA_GATE_GTFSM_MASK (0xf << RDC_SEMA_GATE_GTFSM_SHIFT)
+#define RDC_SEMA_GATE_LDOM_SHIFT 5
+#define RDC_SEMA_GATE_LDOM_MASK (0x3 << RDC_SEMA_GATE_LDOM_SHIFT)
+
+#define RDC_SEMA_RSTGT_RSTGDP_SHIFT 0
+#define RDC_SEMA_RSTGT_RSTGDP_MASK (0xff << RDC_SEMA_RSTGT_RSTGDP_SHIFT)
+#define RDC_SEMA_RSTGT_RSTGSM_SHIFT 2
+#define RDC_SEMA_RSTGT_RSTGSM_MASK (0x3 << RDC_SEMA_RSTGT_RSTGSM_SHIFT)
+#define RDC_SEMA_RSTGT_RSTGMS_SHIFT 4
+#define RDC_SEMA_RSTGT_RSTGMS_MASK (0xf << RDC_SEMA_RSTGT_RSTGMS_SHIFT)
+#define RDC_SEMA_RSTGT_RSTGTN_SHIFT 8
+#define RDC_SEMA_RSTGT_RSTGTN_MASK (0xff << RDC_SEMA_RSTGT_RSTGTN_SHIFT)
+
+int imx_rdc_check_permission(int per_id, int dom_id);
+int imx_rdc_sema_lock(int per_id);
+int imx_rdc_sema_unlock(int per_id);
+int imx_rdc_setup_peri(rdc_peri_cfg_t p);
+int imx_rdc_setup_peripherals(rdc_peri_cfg_t const *peripherals_list,
+ unsigned count);
+int imx_rdc_setup_ma(rdc_ma_cfg_t p);
+int imx_rdc_setup_masters(rdc_ma_cfg_t const *masters_list, unsigned count);
+
+#endif /* __RDC_SEMA_H__*/