[ARM] Add support for SA1100 Jornada flash device support
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Sat, 29 Oct 2005 15:09:59 +0000 (16:09 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sat, 29 Oct 2005 15:09:59 +0000 (16:09 +0100)
This got dropped from the SA1100 flash driver a while back and
never added to the platform support file.  Add it back.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-sa1100/jornada720.c

index 9c363bfcf31077aa035e43fce6fcfac082032ca9..89af0c831e8fde6621856dec34c23dc0dfef774b 100644 (file)
@@ -8,6 +8,8 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/ioport.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
 
 #include <asm/hardware.h>
 #include <asm/hardware/sa1111.h>
@@ -16,6 +18,7 @@
 #include <asm/setup.h>
 
 #include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
 #include <asm/mach/map.h>
 #include <asm/mach/serial_sa1100.h>
 
@@ -108,6 +111,66 @@ static void __init jornada720_map_io(void)
        sa1100_register_uart(1, 1);
 }
 
+static struct mtd_partition jornada720_partitions[] = {
+       {
+               .name           = "JORNADA720 boot firmware",
+               .size           = 0x00040000,
+               .offset         = 0,
+               .mask_flags     = MTD_WRITEABLE,  /* force read-only */
+       }, {
+               .name           = "JORNADA720 kernel",
+               .size           = 0x000c0000,
+               .offset         = 0x00040000,
+       }, {
+               .name           = "JORNADA720 params",
+               .size           = 0x00040000,
+               .offset         = 0x00100000,
+       }, {
+               .name           = "JORNADA720 initrd",
+               .size           = 0x00100000,
+               .offset         = 0x00140000,
+       }, {
+               .name           = "JORNADA720 root cramfs",
+               .size           = 0x00300000,
+               .offset         = 0x00240000,
+       }, {
+               .name           = "JORNADA720 usr cramfs",
+               .size           = 0x00800000,
+               .offset         = 0x00540000,
+       }, {
+               .name           = "JORNADA720 usr local",
+               .size           = 0,  /* will expand to the end of the flash */
+               .offset         = 0x00d00000,
+       }
+};
+
+static void jornada720_set_vpp(int vpp)
+{
+       if (vpp)
+               PPSR |= 0x80;
+       else
+               PPSR &= ~0x80;
+       PPDR |= 0x80;
+}
+
+static struct flash_platform_data jornada720_flash_data = {
+       .map_name       = "cfi_probe",
+       .set_vpp        = jornada720_set_vpp,
+       .parts          = jornada720_partitions,
+       .nr_parts       = ARRAY_SIZE(jornada720_partitions),
+};
+
+static struct resource jornada720_flash_resource = {
+       .start          = SA1100_CS0_PHYS,
+       .end            = SA1100_CS0_PHYS + SZ_32M - 1,
+       .flags          = IORESOURCE_MEM,
+};
+
+static void __init jornada720_mach_init(void)
+{
+       sa11x0_set_flash_data(&jornada720_flash_data, &jornada720_flash_resource, 1);
+}
+
 MACHINE_START(JORNADA720, "HP Jornada 720")
        /* Maintainer: Michael Gernoth <michael@gernoth.net> */
        .phys_ram       = 0xc0000000,
@@ -117,4 +180,5 @@ MACHINE_START(JORNADA720, "HP Jornada 720")
        .map_io         = jornada720_map_io,
        .init_irq       = sa1100_init_irq,
        .timer          = &sa1100_timer,
+       .init_machine   = jornada720_mach_init,
 MACHINE_END