[ARM] Add support for SA1100 Jornada flash device support

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>

1 files changed, 64 insertions, 0 deletions

diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 9c363bfcf310..89af0c831e8f 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -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