armv7: simplify identify_nand_chip
Use newly introduced function
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
diff --git a/arch/arm/cpu/armv7/omap3/spl_id_nand.c b/arch/arm/cpu/armv7/omap3/spl_id_nand.c
index 26d3aa4..0e2f0a2 100644
--- a/arch/arm/cpu/armv7/omap3/spl_id_nand.c
+++ b/arch/arm/cpu/armv7/omap3/spl_id_nand.c
@@ -13,13 +13,13 @@
*/
#include <common.h>
+#include <jffs2/load_kernel.h>
#include <linux/mtd/nand.h>
+#include <linux/mtd/omap_gpmc.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mem.h>
-static struct gpmc *gpmc_config = (struct gpmc *)GPMC_BASE;
-
/*
* Many boards will want to know the results of the NAND_CMD_READID command
* in order to decide what to do about DDR initialization. This function
@@ -31,40 +31,27 @@
int loops = 1000;
/* Make sure that we have setup GPMC for NAND correctly. */
- writel(M_NAND_GPMC_CONFIG1, &gpmc_config->cs[0].config1);
- writel(M_NAND_GPMC_CONFIG2, &gpmc_config->cs[0].config2);
- writel(M_NAND_GPMC_CONFIG3, &gpmc_config->cs[0].config3);
- writel(M_NAND_GPMC_CONFIG4, &gpmc_config->cs[0].config4);
- writel(M_NAND_GPMC_CONFIG5, &gpmc_config->cs[0].config5);
- writel(M_NAND_GPMC_CONFIG6, &gpmc_config->cs[0].config6);
-
- /*
- * Enable the config. The CS size goes in bits 11:8. We set
- * bit 6 to enable the CS and the base address goes into bits 5:0.
- */
- writel((GPMC_SIZE_128M << 8) | (GPMC_CS_ENABLE << 6) |
- ((NAND_BASE >> 24) & GPMC_BASEADDR_MASK),
- &gpmc_config->cs[0].config7);
+ set_gpmc_cs0(MTD_DEV_TYPE_NAND);
sdelay(2000);
/* Issue a RESET and then READID */
- writeb(NAND_CMD_RESET, &gpmc_config->cs[0].nand_cmd);
- writeb(NAND_CMD_STATUS, &gpmc_config->cs[0].nand_cmd);
- while ((readl(&gpmc_config->cs[0].nand_dat) & NAND_STATUS_READY)
- != NAND_STATUS_READY) {
+ writeb(NAND_CMD_RESET, &gpmc_cfg->cs[0].nand_cmd);
+ writeb(NAND_CMD_STATUS, &gpmc_cfg->cs[0].nand_cmd);
+ while ((readl(&gpmc_cfg->cs[0].nand_dat) & NAND_STATUS_READY)
+ != NAND_STATUS_READY) {
sdelay(100);
if (--loops == 0)
return 1;
}
- writeb(NAND_CMD_READID, &gpmc_config->cs[0].nand_cmd);
+ writeb(NAND_CMD_READID, &gpmc_cfg->cs[0].nand_cmd);
/* Set the address to read to 0x0 */
- writeb(0x0, &gpmc_config->cs[0].nand_adr);
+ writeb(0x0, &gpmc_cfg->cs[0].nand_adr);
/* Read off the manufacturer and device id. */
- *mfr = readb(&gpmc_config->cs[0].nand_dat);
- *id = readb(&gpmc_config->cs[0].nand_dat);
+ *mfr = readb(&gpmc_cfg->cs[0].nand_dat);
+ *id = readb(&gpmc_cfg->cs[0].nand_dat);
return 0;
}