drivers: rkflash: support 4KB page size slc nand

1.support 4KB page size slc nand;
2.support idblock update when NANDC version is 9.

Change-Id: Ia4c170270264fd46dbd2bc627d0780b8fe46f7d5
Signed-off-by: jon.lin <jon.lin@rock-chips.com>

drivers/rkflash/flash.c

@@ -81,6 +81,11 @@ static void flash_bch_sel(u8 bits)
 	nandc_bch_sel(bits);
 }
 
+static void flash_set_sector(u8 num)
+{
+	nand_para.sec_per_page = num;
+}
+
 static __maybe_unused void flash_timing_cfg(u32 ahb_khz)
 {
 	nandc_time_cfg(nand_para.access_freq);
@@ -427,6 +432,8 @@ static void nandc_flash_print_info(void)
 
 static void ftl_flash_init(void)
 {
+	u8 nandc_ver = nandc_get_version();
+
 	/* para init */
 	g_nand_phy_info.nand_type	= nand_para.cell;
 	g_nand_phy_info.die_num		= nand_para.die_per_chip;
@@ -449,6 +456,10 @@ static void ftl_flash_init(void)
 	g_nand_ops.erase_blk		= flash_erase_block;
 	g_nand_ops.prog_page		= flash_prog_page;
 	g_nand_ops.read_page		= flash_read_page;
+	if (nandc_ver == 9) {
+		g_nand_ops.bch_sel = flash_bch_sel;
+		g_nand_ops.set_sec_num = flash_set_sector;
+	}
 }
 
 u32 nandc_flash_init(void __iomem *nandc_addr)
@@ -485,6 +496,9 @@ u32 nandc_flash_init(void __iomem *nandc_addr)
 		if (id_byte[0][0] == 0x2C && id_byte[0][3] == 0xA6) {
 			nand_para.plane_per_die = 2;
 			nand_para.sec_per_page = 8;
+		} else if (id_byte[0][0] == 0x98 && id_byte[0][3] == 0x26) {
+			nand_para.blk_per_plane = 2048;
+			nand_para.sec_per_page = 8;
 		} else {
 			nand_para.plane_per_die = 2;
 			nand_para.blk_per_plane = 2048;

drivers/rkflash/flash_com.h

@@ -59,6 +59,8 @@ struct nand_ops {
 	u32 (*erase_blk)(u8 cs, u32 page_addr);
 	u32 (*prog_page)(u8 cs, u32 page_addr, u32 *data, u32 *spare);
 	u32 (*read_page)(u8 cs, u32 page_addr, u32 *data, u32 *spare);
+	void (*bch_sel)(u8 bits);
+	void (*set_sec_num)(u8 num);
 };
 
 s32 ftl_flash_prog_pages(void *req, u32 num_req, u32 flash_type, u32 check);

drivers/rkflash/nandc.c

@@ -23,6 +23,11 @@ static struct MASTER_INFO_T master;
 static u32 *g_master_temp_buf;
 #endif
 
+u8 nandc_get_version(void)
+{
+	return g_nandc_ver;
+}
+
 void nandc_init(void __iomem *nandc_addr)
 {
 	union FM_CTL_T ctl_reg;

drivers/rkflash/nandc.h

@@ -341,5 +341,6 @@ void nandc_bch_sel(u8 bits);
 void nandc_read_not_case_busy_en(u8 en);
 void nandc_time_cfg(u32 ns);
 void nandc_clean_irq(void);
+u8 nandc_get_version(void);
 
 #endif