Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-sa1100 / shannon.c

diff --git a/kernel/arch/arm/mach-sa1100/shannon.c b/kernel/arch/arm/mach-sa1100/shannon.c
new file mode 100644 (file)
index 0000000..c8866bc
--- /dev/null
+++ b/kernel/arch/arm/mach-sa1100/shannon.c
@@ -0,0 +1,109 @@
+/*
+ * linux/arch/arm/mach-sa1100/shannon.c
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/tty.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <video/sa1100fb.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <linux/platform_data/mfd-mcp-sa11x0.h>
+#include <mach/shannon.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+static struct mtd_partition shannon_partitions[] = {
+       {
+               .name           = "BLOB boot loader",
+               .offset         = 0,
+               .size           = 0x20000
+       },
+       {
+               .name           = "kernel",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 0xe0000
+       },
+       {
+               .name           = "initrd",
+               .offset         = MTDPART_OFS_APPEND,   
+               .size           = MTDPART_SIZ_FULL
+       }
+};
+
+static struct flash_platform_data shannon_flash_data = {
+       .map_name       = "cfi_probe",
+       .parts          = shannon_partitions,
+       .nr_parts       = ARRAY_SIZE(shannon_partitions),
+};
+
+static struct resource shannon_flash_resource =
+       DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_4M);
+
+static struct mcp_plat_data shannon_mcp_data = {
+       .mccr0          = MCCR0_ADM,
+       .sclk_rate      = 11981000,
+};
+
+static struct sa1100fb_mach_info shannon_lcd_info = {
+       .pixclock       = 152500,       .bpp            = 8,
+       .xres           = 640,          .yres           = 480,
+
+       .hsync_len      = 4,            .vsync_len      = 3,
+       .left_margin    = 2,            .upper_margin   = 0,
+       .right_margin   = 1,            .lower_margin   = 0,
+
+       .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+
+       .lccr0          = LCCR0_Color | LCCR0_Dual | LCCR0_Pas,
+       .lccr3          = LCCR3_ACBsDiv(512),
+};
+
+static void __init shannon_init(void)
+{
+       sa11x0_ppc_configure_mcp();
+       sa11x0_register_lcd(&shannon_lcd_info);
+       sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
+       sa11x0_register_mcp(&shannon_mcp_data);
+}
+
+static void __init shannon_map_io(void)
+{
+       sa1100_map_io();
+
+       sa1100_register_uart(0, 3);
+       sa1100_register_uart(1, 1);
+
+       Ser1SDCR0 |= SDCR0_SUS;
+       GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
+       GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
+       GPDR &= ~GPIO_UART_RXD;
+       PPAR |= PPAR_UPR;
+
+       /* reset the codec */
+       GPCR = SHANNON_GPIO_CODEC_RESET;
+       GPSR = SHANNON_GPIO_CODEC_RESET;
+}
+
+MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
+       .atag_offset    = 0x100,
+       .map_io         = shannon_map_io,
+       .nr_irqs        = SA1100_NR_IRQS,
+       .init_irq       = sa1100_init_irq,
+       .init_time      = sa1100_timer_init,
+       .init_machine   = shannon_init,
+       .init_late      = sa11x0_init_late,
+       .restart        = sa11x0_restart,
+MACHINE_END