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Diffstat (limited to 'arch/arm/mach-spear/spear1310.c')
-rw-r--r--arch/arm/mach-spear/spear1310.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c
new file mode 100644
index 000000000000..56214d1076ef
--- /dev/null
+++ b/arch/arm/mach-spear/spear1310.c
@@ -0,0 +1,98 @@
+/*
+ * arch/arm/mach-spear13xx/spear1310.c
+ *
+ * SPEAr1310 machine source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr1310: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <linux/pata_arasan_cf_data.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Base addresses */
+#define SPEAR1310_SSP1_BASE UL(0x5D400000)
+#define SPEAR1310_SATA0_BASE UL(0xB1000000)
+#define SPEAR1310_SATA1_BASE UL(0xB1800000)
+#define SPEAR1310_SATA2_BASE UL(0xB4000000)
+
+#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000)
+#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000)
+#define SPEAR1310_RAS_BASE UL(0xD8400000)
+#define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000))
+
+static struct arasan_cf_pdata cf_pdata = {
+ .cf_if_clk = CF_IF_CLK_166M,
+ .quirk = CF_BROKEN_UDMA,
+ .dma_priv = &cf_dma_priv,
+};
+
+/* ssp device registration */
+static struct pl022_ssp_controller ssp1_plat_data = {
+ .enable_dma = 0,
+};
+
+/* Add SPEAr1310 auxdata to pass platform data */
+static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata),
+ OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data),
+ OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data),
+ OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data),
+
+ OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data),
+ {}
+};
+
+static void __init spear1310_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear1310_auxdata_lookup, NULL);
+}
+
+static const char * const spear1310_dt_board_compat[] = {
+ "st,spear1310",
+ "st,spear1310-evb",
+ NULL,
+};
+
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xD8000000 0xFA000000
+ */
+struct map_desc spear1310_io_desc[] __initdata = {
+ {
+ .virtual = VA_SPEAR1310_RAS_GRP1_BASE,
+ .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
+};
+
+static void __init spear1310_map_io(void)
+{
+ iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
+ spear13xx_map_io();
+}
+
+DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
+ .smp = smp_ops(spear13xx_smp_ops),
+ .map_io = spear1310_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear13xx_timer_init,
+ .init_machine = spear1310_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear1310_dt_board_compat,
+MACHINE_END