2 * (C) Copyright 2014 - 2015 Xilinx, Inc.
3 * Michal Simek <michal.simek@xilinx.com>
5 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/hardware.h>
10 #include <asm/arch/sys_proto.h>
11 #include <asm/armv8/mmu.h>
14 #define ZYNQ_SILICON_VER_MASK 0xF000
15 #define ZYNQ_SILICON_VER_SHIFT 12
17 DECLARE_GLOBAL_DATA_PTR
;
19 static struct mm_region zynqmp_mem_map
[] = {
24 .attrs
= PTE_BLOCK_MEMTYPE(MT_NORMAL
) |
30 .attrs
= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE
) |
32 PTE_BLOCK_PXN
| PTE_BLOCK_UXN
37 .attrs
= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE
) |
39 PTE_BLOCK_PXN
| PTE_BLOCK_UXN
41 #if defined(CONFIG_DEFINE_TCM_OCM_MMAP)
45 .attrs
= PTE_BLOCK_MEMTYPE(MT_NORMAL
) |
49 .virt
= 0x400000000UL
,
50 .phys
= 0x400000000UL
,
51 .size
= 0x200000000UL
,
52 .attrs
= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE
) |
54 PTE_BLOCK_PXN
| PTE_BLOCK_UXN
56 .virt
= 0x600000000UL
,
57 .phys
= 0x600000000UL
,
58 .size
= 0x800000000UL
,
59 .attrs
= PTE_BLOCK_MEMTYPE(MT_NORMAL
) |
62 .virt
= 0xe00000000UL
,
63 .phys
= 0xe00000000UL
,
64 .size
= 0xf200000000UL
,
65 .attrs
= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE
) |
67 PTE_BLOCK_PXN
| PTE_BLOCK_UXN
73 struct mm_region
*mem_map
= zynqmp_mem_map
;
75 u64
get_page_table_size(void)
80 static unsigned int zynqmp_get_silicon_version_secure(void)
84 ver
= readl(&csu_base
->version
);
85 ver
&= ZYNQMP_SILICON_VER_MASK
;
86 ver
>>= ZYNQMP_SILICON_VER_SHIFT
;
91 unsigned int zynqmp_get_silicon_version(void)
93 if (current_el() == 3)
94 return zynqmp_get_silicon_version_secure();
96 gd
->cpu_clk
= get_tbclk();
98 switch (gd
->cpu_clk
) {
100 return ZYNQMP_CSU_VERSION_VELOCE
;
102 return ZYNQMP_CSU_VERSION_QEMU
;
104 return ZYNQMP_CSU_VERSION_EP108
;
107 return ZYNQMP_CSU_VERSION_SILICON
;
110 #define ZYNQMP_MMIO_READ 0xC2000014
111 #define ZYNQMP_MMIO_WRITE 0xC2000013
113 int __maybe_unused
invoke_smc(u32 pm_api_id
, u32 arg0
, u32 arg1
, u32 arg2
,
114 u32 arg3
, u32
*ret_payload
)
117 * Added SIP service call Function Identifier
118 * Make sure to stay in x0 register
122 regs
.regs
[0] = pm_api_id
;
123 regs
.regs
[1] = ((u64
)arg1
<< 32) | arg0
;
124 regs
.regs
[2] = ((u64
)arg3
<< 32) | arg2
;
128 if (ret_payload
!= NULL
) {
129 ret_payload
[0] = (u32
)regs
.regs
[0];
130 ret_payload
[1] = upper_32_bits(regs
.regs
[0]);
131 ret_payload
[2] = (u32
)regs
.regs
[1];
132 ret_payload
[3] = upper_32_bits(regs
.regs
[1]);
133 ret_payload
[4] = (u32
)regs
.regs
[2];
139 #define ZYNQMP_SIP_SVC_GET_API_VERSION 0xC2000001
141 #define ZYNQMP_PM_VERSION_MAJOR 0
142 #define ZYNQMP_PM_VERSION_MINOR 3
143 #define ZYNQMP_PM_VERSION_MAJOR_SHIFT 16
144 #define ZYNQMP_PM_VERSION_MINOR_MASK 0xFFFF
146 #define ZYNQMP_PM_VERSION \
147 ((ZYNQMP_PM_VERSION_MAJOR << ZYNQMP_PM_VERSION_MAJOR_SHIFT) | \
148 ZYNQMP_PM_VERSION_MINOR)
150 #if defined(CONFIG_CLK_ZYNQMP)
151 void zynqmp_pmufw_version(void)
154 u32 ret_payload
[PAYLOAD_ARG_CNT
];
157 ret
= invoke_smc(ZYNQMP_SIP_SVC_GET_API_VERSION
, 0, 0, 0, 0,
159 pm_api_version
= ret_payload
[1];
162 panic("PMUFW is not found - Please load it!\n");
164 printf("PMUFW:\tv%d.%d\n",
165 pm_api_version
>> ZYNQMP_PM_VERSION_MAJOR_SHIFT
,
166 pm_api_version
& ZYNQMP_PM_VERSION_MINOR_MASK
);
168 if (pm_api_version
!= ZYNQMP_PM_VERSION
)
169 panic("PMUFW version error. Expected: v%d.%d\n",
170 ZYNQMP_PM_VERSION_MAJOR
, ZYNQMP_PM_VERSION_MINOR
);
174 static int zynqmp_mmio_rawwrite(const u32 address
,
179 u32 value_local
= value
;
181 zynqmp_mmio_read(address
, &data
);
185 writel(value_local
, (ulong
)address
);
189 static int zynqmp_mmio_rawread(const u32 address
, u32
*value
)
191 *value
= readl((ulong
)address
);
195 int zynqmp_mmio_write(const u32 address
,
199 if (IS_ENABLED(CONFIG_SPL_BUILD
) || current_el() == 3)
200 return zynqmp_mmio_rawwrite(address
, mask
, value
);
201 else if (!IS_ENABLED(CONFIG_SPL_BUILD
))
202 return invoke_smc(ZYNQMP_MMIO_WRITE
, address
, mask
,
208 int zynqmp_mmio_read(const u32 address
, u32
*value
)
210 u32 ret_payload
[PAYLOAD_ARG_CNT
];
216 if (IS_ENABLED(CONFIG_SPL_BUILD
) || current_el() == 3) {
217 ret
= zynqmp_mmio_rawread(address
, value
);
218 } else if (!IS_ENABLED(CONFIG_SPL_BUILD
)) {
219 ret
= invoke_smc(ZYNQMP_MMIO_READ
, address
, 0, 0,
221 *value
= ret_payload
[1];