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 #ifdef CONFIG_SYS_MEM_RSVD_FOR_MMU
83 initialize_tcm(TCM_LOCK);
84 memset((void *)ZYNQMP_TCM_BASE_ADDR, 0, ZYNQMP_TCM_SIZE);
85 gd->arch.tlb_size = PGTABLE_SIZE;
86 gd->arch.tlb_addr = ZYNQMP_TCM_BASE_ADDR;
92 static unsigned int zynqmp_get_silicon_version_secure(void)
96 ver = readl(&csu_base->version);
97 ver &= ZYNQMP_SILICON_VER_MASK;
98 ver >>= ZYNQMP_SILICON_VER_SHIFT;
103 unsigned int zynqmp_get_silicon_version(void)
105 if (current_el() == 3)
106 return zynqmp_get_silicon_version_secure();
108 gd->cpu_clk = get_tbclk();
110 switch (gd->cpu_clk) {
112 return ZYNQMP_CSU_VERSION_VELOCE;
114 return ZYNQMP_CSU_VERSION_QEMU;
116 return ZYNQMP_CSU_VERSION_EP108;
119 return ZYNQMP_CSU_VERSION_SILICON;
122 #define ZYNQMP_MMIO_READ 0xC2000014
123 #define ZYNQMP_MMIO_WRITE 0xC2000013
125 int __maybe_unused invoke_smc(u32 pm_api_id, u32 arg0, u32 arg1, u32 arg2,
126 u32 arg3, u32 *ret_payload)
129 * Added SIP service call Function Identifier
130 * Make sure to stay in x0 register
134 regs.regs[0] = pm_api_id;
135 regs.regs[1] = ((u64)arg1 << 32) | arg0;
136 regs.regs[2] = ((u64)arg3 << 32) | arg2;
140 if (ret_payload != NULL) {
141 ret_payload[0] = (u32)regs.regs[0];
142 ret_payload[1] = upper_32_bits(regs.regs[0]);
143 ret_payload[2] = (u32)regs.regs[1];
144 ret_payload[3] = upper_32_bits(regs.regs[1]);
145 ret_payload[4] = (u32)regs.regs[2];
151 #define ZYNQMP_SIP_SVC_GET_API_VERSION 0xC2000001
153 #define ZYNQMP_PM_VERSION_MAJOR 0
154 #define ZYNQMP_PM_VERSION_MINOR 3
155 #define ZYNQMP_PM_VERSION_MAJOR_SHIFT 16
156 #define ZYNQMP_PM_VERSION_MINOR_MASK 0xFFFF
158 #define ZYNQMP_PM_VERSION \
159 ((ZYNQMP_PM_VERSION_MAJOR << ZYNQMP_PM_VERSION_MAJOR_SHIFT) | \
160 ZYNQMP_PM_VERSION_MINOR)
162 #if defined(CONFIG_CLK_ZYNQMP)
163 void zynqmp_pmufw_version(void)
166 u32 ret_payload[PAYLOAD_ARG_CNT];
169 ret = invoke_smc(ZYNQMP_SIP_SVC_GET_API_VERSION, 0, 0, 0, 0,
171 pm_api_version = ret_payload[1];
174 panic("PMUFW is not found - Please load it!\n");
176 printf("PMUFW:\tv%d.%d\n",
177 pm_api_version >> ZYNQMP_PM_VERSION_MAJOR_SHIFT,
178 pm_api_version & ZYNQMP_PM_VERSION_MINOR_MASK);
180 if (pm_api_version != ZYNQMP_PM_VERSION)
181 panic("PMUFW version error. Expected: v%d.%d\n",
182 ZYNQMP_PM_VERSION_MAJOR, ZYNQMP_PM_VERSION_MINOR);
186 static int zynqmp_mmio_rawwrite(const u32 address,
191 u32 value_local = value;
193 zynqmp_mmio_read(address, &data);
197 writel(value_local, (ulong)address);
201 static int zynqmp_mmio_rawread(const u32 address, u32 *value)
203 *value = readl((ulong)address);
207 int zynqmp_mmio_write(const u32 address,
211 if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3)
212 return zynqmp_mmio_rawwrite(address, mask, value);
214 return invoke_smc(ZYNQMP_MMIO_WRITE, address, mask,
220 int zynqmp_mmio_read(const u32 address, u32 *value)
222 u32 ret_payload[PAYLOAD_ARG_CNT];
228 if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3) {
229 ret = zynqmp_mmio_rawread(address, value);
231 ret = invoke_smc(ZYNQMP_MMIO_READ, address, 0, 0,
233 *value = ret_payload[1];