Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / arm926ejs / spear / cpu.c

diff --git a/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c
new file mode 100644 (file)
index 0000000..3757ffb
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2010
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_misc.h>
+
+int arch_cpu_init(void)
+{
+       struct misc_regs *const misc_p =
+           (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+       u32 periph1_clken, periph_clk_cfg;
+
+       periph1_clken = readl(&misc_p->periph1_clken);
+
+#if defined(CONFIG_SPEAR3XX)
+       periph1_clken |= MISC_GPT2ENB;
+#elif defined(CONFIG_SPEAR600)
+       periph1_clken |= MISC_GPT3ENB;
+#endif
+
+#if defined(CONFIG_PL011_SERIAL)
+       periph1_clken |= MISC_UART0ENB;
+
+       periph_clk_cfg = readl(&misc_p->periph_clk_cfg);
+       periph_clk_cfg &= ~CONFIG_SPEAR_UARTCLKMSK;
+       periph_clk_cfg |= CONFIG_SPEAR_UART48M;
+       writel(periph_clk_cfg, &misc_p->periph_clk_cfg);
+#endif
+#if defined(CONFIG_DESIGNWARE_ETH)
+       periph1_clken |= MISC_ETHENB;
+#endif
+#if defined(CONFIG_DW_UDC)
+       periph1_clken |= MISC_USBDENB;
+#endif
+#if defined(CONFIG_DW_I2C)
+       periph1_clken |= MISC_I2CENB;
+#endif
+#if defined(CONFIG_ST_SMI)
+       periph1_clken |= MISC_SMIENB;
+#endif
+#if defined(CONFIG_NAND_FSMC)
+       periph1_clken |= MISC_FSMCENB;
+#endif
+
+       writel(periph1_clken, &misc_p->periph1_clken);
+       return 0;
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+#ifdef CONFIG_SPEAR300
+       printf("CPU:   SPEAr300\n");
+#elif defined(CONFIG_SPEAR310)
+       printf("CPU:   SPEAr310\n");
+#elif defined(CONFIG_SPEAR320)
+       printf("CPU:   SPEAr320\n");
+#elif defined(CONFIG_SPEAR600)
+       printf("CPU:   SPEAr600\n");
+#else
+#error CPU not supported in spear platform
+#endif
+       return 0;
+}
+#endif