mx53loco: Add CONFIG_REVISION_TAG
FSL 2.6.35 kernel assumes that the bootloader passes the CONFIG_REVISION_TAG information.
The kernel uses this data to distinguish between Dialog versus mc34708 based boards,
and also to distinguish between revA and revB of the mc34708 based boards.
Suggested-by: Yu Li <yk@magniel.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c
index a49b00a..fb13895 100644
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -62,6 +62,18 @@
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
}
+u32 get_board_rev(void)
+{
+ struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+ struct fuse_bank *bank = &iim->bank[0];
+ struct fuse_bank0_regs *fuse =
+ (struct fuse_bank0_regs *)bank->fuse_regs;
+
+ int rev = readl(&fuse->gp[6]);
+
+ return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
+}
+
static void setup_iomux_uart(void)
{
/* UART1 RXD */