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Diffstat (limited to 'roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c')
-rw-r--r--roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c b/roms/u-boot/arch/arm/cpu/arm926ejs/spear/cpu.c
new file mode 100644
index 00000000..3757ffb2
--- /dev/null
+++ b/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