X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv8%2Fzynqmp%2Fcpu.c;h=94ecf9066028f1f4da7b0e0c9393bd65c44ee485;hb=235c5b8315c6a9eb566fd3d99a098cc6db869fc5;hp=b0f12955a1ffac03ec37f3ccf87ac52d687fee51;hpb=4711e7f7af839b41a6d78490257a9e7975494dd3;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c
index b0f1295..94ecf90 100644
--- a/arch/arm/cpu/armv8/zynqmp/cpu.c
+++ b/arch/arm/cpu/armv8/zynqmp/cpu.c
@@ -38,12 +38,6 @@ static struct mm_region zynqmp_mem_map[] = {
 			 PTE_BLOCK_NON_SHARE |
 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
 	}, {
-		.virt = 0xffe00000UL,
-		.phys = 0xffe00000UL,
-		.size = 0x00200000UL,
-		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
-			 PTE_BLOCK_INNER_SHARE
-	}, {
 		.virt = 0x400000000UL,
 		.phys = 0x400000000UL,
 		.size = 0x200000000UL,
@@ -104,3 +98,111 @@ unsigned int zynqmp_get_silicon_version(void)
 
 	return ZYNQMP_CSU_VERSION_SILICON;
 }
+
+#define ZYNQMP_MMIO_READ	0xC2000014
+#define ZYNQMP_MMIO_WRITE	0xC2000013
+
+#ifndef CONFIG_SPL_BUILD
+int invoke_smc(u32 pm_api_id, u32 arg0, u32 arg1, u32 arg2, u32 arg3,
+	       u32 *ret_payload)
+{
+	/*
+	 * Added SIP service call Function Identifier
+	 * Make sure to stay in x0 register
+	 */
+	struct pt_regs regs;
+
+	regs.regs[0] = pm_api_id;
+	regs.regs[1] = ((u64)arg1 << 32) | arg0;
+	regs.regs[2] = ((u64)arg3 << 32) | arg2;
+
+	smc_call(&regs);
+
+	if (ret_payload != NULL) {
+		ret_payload[0] = (u32)regs.regs[0];
+		ret_payload[1] = upper_32_bits(regs.regs[0]);
+		ret_payload[2] = (u32)regs.regs[1];
+		ret_payload[3] = upper_32_bits(regs.regs[1]);
+		ret_payload[4] = (u32)regs.regs[2];
+	}
+
+	return regs.regs[0];
+}
+
+#define ZYNQMP_SIP_SVC_GET_API_VERSION		0xC2000001
+
+#define ZYNQMP_PM_VERSION_MAJOR		0
+#define ZYNQMP_PM_VERSION_MINOR		3
+#define ZYNQMP_PM_VERSION_MAJOR_SHIFT	16
+#define ZYNQMP_PM_VERSION_MINOR_MASK	0xFFFF
+
+#define ZYNQMP_PM_VERSION	\
+	((ZYNQMP_PM_VERSION_MAJOR << ZYNQMP_PM_VERSION_MAJOR_SHIFT) | \
+				 ZYNQMP_PM_VERSION_MINOR)
+
+#if defined(CONFIG_CLK_ZYNQMP)
+void zynqmp_pmufw_version(void)
+{
+	int ret;
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	u32 pm_api_version;
+
+	ret = invoke_smc(ZYNQMP_SIP_SVC_GET_API_VERSION, 0, 0, 0, 0,
+			 ret_payload);
+	pm_api_version = ret_payload[1];
+
+	if (ret)
+		panic("PMUFW is not found - Please load it!\n");
+
+	printf("PMUFW:\tv%d.%d\n",
+	       pm_api_version >> ZYNQMP_PM_VERSION_MAJOR_SHIFT,
+	       pm_api_version & ZYNQMP_PM_VERSION_MINOR_MASK);
+
+	if (pm_api_version != ZYNQMP_PM_VERSION)
+		panic("PMUFW version error. Expected: v%d.%d\n",
+		      ZYNQMP_PM_VERSION_MAJOR, ZYNQMP_PM_VERSION_MINOR);
+}
+#endif
+
+int zynqmp_mmio_write(const u32 address,
+		      const u32 mask,
+		      const u32 value)
+{
+	return invoke_smc(ZYNQMP_MMIO_WRITE, address, mask, value, 0, NULL);
+}
+
+int zynqmp_mmio_read(const u32 address, u32 *value)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	u32 ret;
+
+	if (!value)
+		return -EINVAL;
+
+	ret = invoke_smc(ZYNQMP_MMIO_READ, address, 0, 0, 0, ret_payload);
+	*value = ret_payload[1];
+
+	return ret;
+}
+#else
+int zynqmp_mmio_write(const u32 address,
+		      const u32 mask,
+		      const u32 value)
+{
+	u32 data;
+	u32 value_local = value;
+
+	zynqmp_mmio_read(address, &data);
+	data &= ~mask;
+	value_local &= mask;
+	value_local |= data;
+	writel(value_local, (ulong)address);
+	return 0;
+}
+
+int zynqmp_mmio_read(const u32 address, u32 *value)
+{
+	*value = readl((ulong)address);
+	return 0;
+}
+#endif