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-rw-r--r--arch/arm/boards/vexpress/init.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/arch/arm/boards/vexpress/init.c b/arch/arm/boards/vexpress/init.c
new file mode 100644
index 0000000000..f940824be1
--- /dev/null
+++ b/arch/arm/boards/vexpress/init.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
+ *
+ * GPLv2 only
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/armlinux.h>
+#include <asm/system_info.h>
+#include <generated/mach-types.h>
+#include <mach/devices.h>
+#include <environment.h>
+#include <partition.h>
+#include <sizes.h>
+#include <io.h>
+#include <globalvar.h>
+
+struct vexpress_init {
+ void (*core_init)(void);
+ void (*mem_init)(void);
+ void (*console_init)(void);
+ void (*devices_init)(void);
+ char *hostname;
+};
+
+struct vexpress_init *v2m_init;
+
+static void vexpress_ax_mem_init(void)
+{
+ vexpress_add_ddram(SZ_512M);
+}
+
+#define V2M_SYS_FLASH 0x03c
+
+static void vexpress_ax_devices_init(void)
+{
+ add_cfi_flash_device(0, 0x08000000, SZ_64M, 0);
+ add_cfi_flash_device(1, 0x0c000000, SZ_64M, 0);
+ add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x1a000000,
+ 64 * 1024, IORESOURCE_MEM, NULL);
+ armlinux_set_bootparams((void *)(0x80000100));
+}
+
+static void vexpress_ax_console_init(void)
+{
+ vexpress_register_uart(0);
+ vexpress_register_uart(1);
+ vexpress_register_uart(2);
+ vexpress_register_uart(3);
+}
+
+struct vexpress_init vexpress_init_ax = {
+ .core_init = vexpress_init,
+ .mem_init = vexpress_ax_mem_init,
+ .console_init = vexpress_ax_console_init,
+ .devices_init = vexpress_ax_devices_init,
+};
+
+static void vexpress_a9_mem_init(void)
+{
+ vexpress_a9_add_ddram(SZ_512M, SZ_512M);
+}
+
+static void vexpress_a9_devices_init(void)
+{
+ add_cfi_flash_device(0, 0x40000000, SZ_64M, 0);
+ add_cfi_flash_device(1, 0x44000000, SZ_64M, 0);
+ add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x4e000000,
+ 64 * 1024, IORESOURCE_MEM, NULL);
+
+ armlinux_set_architecture(MACH_TYPE_VEXPRESS);
+ armlinux_set_bootparams((void *)(0x60000100));
+}
+
+static void vexpress_a9_console_init(void)
+{
+ vexpress_a9_register_uart(0);
+ vexpress_a9_register_uart(1);
+ vexpress_a9_register_uart(2);
+ vexpress_a9_register_uart(3);
+}
+
+struct vexpress_init vexpress_init_a9 = {
+ .core_init = vexpress_a9_init,
+ .mem_init = vexpress_a9_mem_init,
+ .console_init = vexpress_a9_console_init,
+ .devices_init = vexpress_a9_devices_init,
+ .hostname = "vexpress-a9",
+};
+
+static int vexpress_mem_init(void)
+{
+ v2m_init->mem_init();
+
+ return 0;
+}
+mem_initcall(vexpress_mem_init);
+
+static int vexpress_devices_init(void)
+{
+ writel(1, v2m_sysreg_base + V2M_SYS_FLASH);
+ v2m_init->devices_init();
+
+ devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self");
+ devfs_add_partition("nor0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env0");
+
+
+ globalvar_add_simple("hostname");
+ setenv("global.hostname", v2m_init->hostname);
+
+ return 0;
+}
+device_initcall(vexpress_devices_init);
+
+static int vexpress_console_init(void)
+{
+ v2m_init->console_init();
+
+ return 0;
+}
+console_initcall(vexpress_console_init);
+
+static int vexpress_core_init(void)
+{
+ if (cpu_is_cortex_a9()) {
+ v2m_init = &vexpress_init_a9;
+ } else {
+ v2m_init = &vexpress_init_ax;
+ if (cpu_is_cortex_a5())
+ v2m_init->hostname = "vexpress-a5";
+ else if (cpu_is_cortex_a7())
+ v2m_init->hostname = "vexpress-a7";
+ else if (cpu_is_cortex_a15())
+ v2m_init->hostname = "vexpress-a15";
+ }
+
+ v2m_init->core_init();
+
+ return 0;
+}
+postcore_initcall(vexpress_core_init);