From 16247d28d5e50fca8b2e11b5e1804524bca83361 Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Wed, 15 Apr 2015 14:59:19 +0200
Subject: [PATCH] zynqmp: Add support for emulation platform - Veloce

Add support for Veloce - zynqmp emulation platform.
Platform doesn't support SDHCI.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 arch/arm/cpu/armv8/zynqmp/clk.c             | 3 +++
 arch/arm/cpu/armv8/zynqmp/cpu.c             | 2 ++
 arch/arm/include/asm/arch-zynqmp/hardware.h | 1 +
 board/xilinx/zynqmp/zynqmp.c                | 8 ++++++--
 4 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/armv8/zynqmp/clk.c b/arch/arm/cpu/armv8/zynqmp/clk.c
index 0af619d92f..9218586e94 100644
--- a/arch/arm/cpu/armv8/zynqmp/clk.c
+++ b/arch/arm/cpu/armv8/zynqmp/clk.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <asm/arch/clk.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/sys_proto.h>
 
@@ -16,6 +17,8 @@ unsigned long get_uart_clk(int dev_id)
 	u32 ver = zynqmp_get_silicon_version();
 
 	switch (ver) {
+	case ZYNQMP_CSU_VERSION_VELOCE:
+		return 48000;
 	case ZYNQMP_CSU_VERSION_EP108:
 		return 25000000;
 	}
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c
index 11958fea6f..60d7d20e17 100644
--- a/arch/arm/cpu/armv8/zynqmp/cpu.c
+++ b/arch/arm/cpu/armv8/zynqmp/cpu.c
@@ -20,6 +20,8 @@ unsigned int zynqmp_get_silicon_version(void)
 	gd->cpu_clk = get_tbclk();
 
 	switch (gd->cpu_clk) {
+	case 0 ... 1000000:
+		return ZYNQMP_CSU_VERSION_VELOCE;
 	case 50000000:
 		return ZYNQMP_CSU_VERSION_QEMU;
 	}
diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h
index 3df3147fc4..188b5c2144 100644
--- a/arch/arm/include/asm/arch-zynqmp/hardware.h
+++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
@@ -84,6 +84,7 @@ struct apu_regs {
 /* Board version value */
 #define ZYNQMP_CSU_VERSION_SILICON	0x0
 #define ZYNQMP_CSU_VERSION_EP108	0x1
+#define ZYNQMP_CSU_VERSION_VELOCE	0x2
 #define ZYNQMP_CSU_VERSION_QEMU		0x3
 
 #endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 1325bca5e5..e38948426d 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -56,14 +56,18 @@ int board_mmc_init(bd_t *bd)
 {
 	int ret = 0;
 
+	u32 ver = zynqmp_get_silicon_version();
+
+	if (ver != ZYNQMP_CSU_VERSION_VELOCE) {
 #if defined(CONFIG_ZYNQ_SDHCI)
 # if defined(CONFIG_ZYNQ_SDHCI0)
-	ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
+		ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
 # endif
 # if defined(CONFIG_ZYNQ_SDHCI1)
-	ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
+		ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
 # endif
 #endif
+	}
 
 	return ret;
 }