* published by the Free Software Foundation.
*
* ChangeLog:
- * 03-06-2004 John Lenz <jelenz@wisc.edu>
+ * 2006 Pavel Machek <pavel@suse.cz>
+ * 03-06-2004 John Lenz <lenz@cs.wisc.edu>
* 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
* 04-16-2001 Lineo Japan,Inc. ...
*/
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/delay.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
#include <linux/timer.h>
#include <asm/hardware.h>
#include <asm/arch/collie.h>
#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/mach/serial_sa1100.h>
+#include <asm/hardware/scoop.h>
+#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/locomo.h>
+#include <asm/arch/mcp.h>
#include "generic.h"
-static void __init scoop_init(void)
+static struct resource collie_scoop_resources[] = {
+ [0] = {
+ .start = 0x40800000,
+ .end = 0x40800fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct scoop_config collie_scoop_setup = {
+ .io_dir = COLLIE_SCOOP_IO_DIR,
+ .io_out = COLLIE_SCOOP_IO_OUT,
+};
+
+struct platform_device colliescoop_device = {
+ .name = "sharp-scoop",
+ .id = -1,
+ .dev = {
+ .platform_data = &collie_scoop_setup,
+ },
+ .num_resources = ARRAY_SIZE(collie_scoop_resources),
+ .resource = collie_scoop_resources,
+};
+
+static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
{
+ .dev = &colliescoop_device.dev,
+ .irq = COLLIE_IRQ_GPIO_CF_IRQ,
+ .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
+ .cd_irq_str = "PCMCIA0 CD",
+},
+};
-#define COLLIE_SCP_INIT_DATA(adr,dat) (((adr)<<16)|(dat))
-#define COLLIE_SCP_INIT_DATA_END ((unsigned long)-1)
- static const unsigned long scp_init[] = {
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_MCR, 0x0140), // 00
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_MCR, 0x0100),
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_CDR, 0x0000), // 04
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_CPR, 0x0000), // 0C
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_CCR, 0x0000), // 10
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_IMR, 0x0000), // 18
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_IRM, 0x00FF), // 14
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_ISR, 0x0000), // 1C
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_IRM, 0x0000),
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_GPCR, COLLIE_SCP_IO_DIR), // 20
- COLLIE_SCP_INIT_DATA(COLLIE_SCP_GPWR, COLLIE_SCP_IO_OUT), // 24
- COLLIE_SCP_INIT_DATA_END
- };
- int i;
- for (i = 0; scp_init[i] != COLLIE_SCP_INIT_DATA_END; i++) {
- int adr = scp_init[i] >> 16;
- COLLIE_SCP_REG(adr) = scp_init[i] & 0xFFFF;
- }
+static struct scoop_pcmcia_config collie_pcmcia_config = {
+ .devs = &collie_pcmcia_scoop[0],
+ .num_devs = 1,
+};
+
+
+static struct mcp_plat_data collie_mcp_data = {
+ .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
+ .sclk_rate = 9216000,
+};
+
+#ifdef CONFIG_SHARP_LOCOMO
+/*
+ * low-level UART features.
+ */
+struct platform_device collie_locomo_device;
+
+static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
+{
+ if (mctrl & TIOCM_RTS)
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
+ else
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
+
+ if (mctrl & TIOCM_DTR)
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
+ else
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
+}
+
+static u_int collie_uart_get_mctrl(struct uart_port *port)
+{
+ int ret = TIOCM_CD;
+ unsigned int r;
+
+ r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
+ if (r == -ENODEV)
+ return ret;
+ if (r & LOCOMO_GPIO_CTS)
+ ret |= TIOCM_CTS;
+ if (r & LOCOMO_GPIO_DSR)
+ ret |= TIOCM_DSR;
+
+ return ret;
+}
+static struct sa1100_port_fns collie_port_fns __initdata = {
+ .set_mctrl = collie_uart_set_mctrl,
+ .get_mctrl = collie_uart_get_mctrl,
+};
+
+static int collie_uart_probe(struct locomo_dev *dev)
+{
+ return 0;
+}
+
+static int collie_uart_remove(struct locomo_dev *dev)
+{
+ return 0;
+}
+
+static struct locomo_driver collie_uart_driver = {
+ .drv = {
+ .name = "collie_uart",
+ },
+ .devid = LOCOMO_DEVID_UART,
+ .probe = collie_uart_probe,
+ .remove = collie_uart_remove,
+};
+
+static int __init collie_uart_init(void) {
+ return locomo_driver_register(&collie_uart_driver);
}
+device_initcall(collie_uart_init);
+
+#endif
+
static struct resource locomo_resources[] = {
[0] = {
},
};
-static struct platform_device locomo_device = {
+struct platform_device collie_locomo_device = {
.name = "locomo",
.id = 0,
.num_resources = ARRAY_SIZE(locomo_resources),
};
static struct platform_device *devices[] __initdata = {
- &locomo_device,
+ &collie_locomo_device,
+ &colliescoop_device,
+};
+
+static struct mtd_partition collie_partitions[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 0x000C0000,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x00100000,
+ }, {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x00e20000,
+ }
+};
+
+static void collie_set_vpp(int vpp)
+{
+ write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN);
+ if (vpp)
+ write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN);
+ else
+ write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
+}
+
+static struct flash_platform_data collie_flash_data = {
+ .map_name = "cfi_probe",
+ .set_vpp = collie_set_vpp,
+ .parts = collie_partitions,
+ .nr_parts = ARRAY_SIZE(collie_partitions),
+};
+
+static struct resource collie_flash_resources[] = {
+ {
+ .start = SA1100_CS0_PHYS,
+ .end = SA1100_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ }
};
static void __init collie_init(void)
GPDR |= GPIO_32_768kHz;
TUCR = TUCR_32_768kHz;
- scoop_init();
+ platform_scoop_config = &collie_pcmcia_config;
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
if (ret) {
printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
}
+
+ sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
+ ARRAY_SIZE(collie_flash_resources));
+ sa11x0_set_mcp_data(&collie_mcp_data);
+
+ sharpsl_save_param();
}
static struct map_desc collie_io_desc[] __initdata = {
- /* virtual physical length type */
- {0xe8000000, 0x00000000, 0x02000000, MT_DEVICE}, /* 32M main flash (cs0) */
- {0xea000000, 0x08000000, 0x02000000, MT_DEVICE}, /* 32M boot flash (cs1) */
- {0xf0000000, 0x40000000, 0x01000000, MT_DEVICE}, /* 16M LOCOMO & SCOOP (cs4) */
+ { /* 32M main flash (cs0) */
+ .virtual = 0xe8000000,
+ .pfn = __phys_to_pfn(0x00000000),
+ .length = 0x02000000,
+ .type = MT_DEVICE
+ }, { /* 32M boot flash (cs1) */
+ .virtual = 0xea000000,
+ .pfn = __phys_to_pfn(0x08000000),
+ .length = 0x02000000,
+ .type = MT_DEVICE
+ }
};
static void __init collie_map_io(void)
{
sa1100_map_io();
iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
+
+#ifdef CONFIG_SHARP_LOCOMO
+ sa1100_register_uart_fns(&collie_port_fns);
+#endif
+ sa1100_register_uart(0, 3);
+ sa1100_register_uart(1, 1);
}
MACHINE_START(COLLIE, "Sharp-Collie")
- BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
- MAPIO(collie_map_io)
- INITIRQ(sa1100_init_irq)
- INIT_MACHINE(collie_init)
- INITTIME(sa1100_init_time)
+ .phys_io = 0x80000000,
+ .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
+ .map_io = collie_map_io,
+ .init_irq = sa1100_init_irq,
+ .timer = &sa1100_timer,
+ .init_machine = collie_init,
MACHINE_END