[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>
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 9c363bf..89af0c8 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 @@
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 @@
.map_io = jornada720_map_io,
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
+ .init_machine = jornada720_mach_init,
MACHINE_END