board: cssi: Add CPU board CMPCPRO

CSSI has another CPU board, similar to the CMPC885 board
that get plugged on the two base boards MCR3000_2G and MIAE.

That CPU board is called CMPCPRO because it has a MPC8321E CPU,
also known as Power QUICC II PRO.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>

6 files changed, 491 insertions, 0 deletions

diff --git a/board/cssi/MAINTAINERS b/board/cssi/MAINTAINERS
index d8e7b5e..f82dd3b 100644
--- a/board/cssi/MAINTAINERS
+++ b/board/cssi/MAINTAINERS
@@ -6,3 +6,5 @@ F:	include/configs/mcr3000.h
 F:	configs/MCR3000_defconfig
 F:	include/configs/cmpc885.h
 F:	configs/CMPC885_defconfig
+F:	include/configs/cmpcpro.h
+F:	configs/CMPCPRO_defconfig
diff --git a/board/cssi/cmpcpro/Kconfig b/board/cssi/cmpcpro/Kconfig
new file mode 100644
index 0000000..b5d998a
--- /dev/null
+++ b/board/cssi/cmpcpro/Kconfig
@@ -0,0 +1,26 @@
+if TARGET_CMPCPRO
+
+config SYS_BOARD
+	default "cmpcpro"
+
+config SYS_VENDOR
+	default "cssi"
+
+config SYS_CONFIG_NAME
+	default "cmpcpro"
+
+config TEXT_BASE
+	default 0x40000000
+
+config CPLD_BASE
+	hex
+	default 0x90000000
+
+config FPGA_BASE
+	hex
+	default 0x80000000
+
+config PCI
+	default no
+
+endif
diff --git a/board/cssi/cmpcpro/Makefile b/board/cssi/cmpcpro/Makefile
new file mode 100644
index 0000000..73ff451
--- /dev/null
+++ b/board/cssi/cmpcpro/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += cmpcpro.o nand.o ../common/common.o
diff --git a/board/cssi/cmpcpro/cmpcpro.c b/board/cssi/cmpcpro/cmpcpro.c
new file mode 100644
index 0000000..3e9ba6a
--- /dev/null
+++ b/board/cssi/cmpcpro/cmpcpro.c
@@ -0,0 +1,404 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2006-2023  CS GROUP France
+ */
+
+#include <command.h>
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <env_internal.h>
+#include <eeprom.h>
+#include <fdt_support.h>
+#include <hang.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <netdev.h>
+#include <spi.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include <linux/delay.h>
+#include <linux/immap_qe.h>
+#include <linux/libfdt.h>
+#include <linux/log2.h>
+#include <linux/sizes.h>
+
+#include <asm/io.h>
+#include <asm/global_data.h>
+#include <asm/mmu.h>
+
+#include <u-boot/crc.h>
+
+#include "../common/common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define ADDR_FPGA_BASE		((unsigned char __iomem *)CONFIG_CPLD_BASE)
+#define ADDR_FPGA_RESET_G	(ADDR_FPGA_BASE + 0x40)
+#define ADDR_FPGA_REG_ETAT	(ADDR_FPGA_BASE + 0x42)
+
+#define R_ETAT_PRES_BASE	0x01
+#define RESET_G_OK		0x08
+
+/* SPI EEPROM parameters */
+#define MAX_SPI_BYTES	0x28
+#define EE_OFF_MAC1	0x10
+#define EE_OFF_MAC2	0x16
+#define EE_OFF_MAC3	0x1C
+
+static uint upma_table[] = {
+	/* Read Single-Beat (RSS) */
+	0x00AC0C00, 0x00FC1C40, 0x30FCE045, 0xFFFF0C00,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	/* Read Burst (RBS) */
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	/* Write Single-Beat (WSS) */
+	0x00A30C00, 0x00F31C40, 0x3FF3C045, 0xFFFF0C00,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	/* Write Burst (WBS) */
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	/* Refresh Timer (RTS) */
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	/* Exception Condition (EXS) */
+	0xFFFF0C01, 0xFFFF0C01, 0xFFFF0C01, 0xFFFF0C01,
+};
+
+const qe_iop_conf_t qe_iop_conf_tab[] = {
+	/* ETH3 */
+	{1,  0, 1, 0, 1}, /* TxD0 */
+	{1,  1, 1, 0, 1}, /* TxD1 */
+	{1,  2, 1, 0, 1}, /* TxD2 */
+	{1,  3, 1, 0, 1}, /* TxD3 */
+	{1,  9, 1, 0, 1}, /* TxER */
+	{1, 12, 1, 0, 1}, /* TxEN */
+	{3, 24, 2, 0, 1}, /* TxCLK->CLK10 */
+
+	{1,  4, 2, 0, 1}, /* RxD0 */
+	{1,  5, 2, 0, 1}, /* RxD1 */
+	{1,  6, 2, 0, 1}, /* RxD2 */
+	{1,  7, 2, 0, 1}, /* RxD3 */
+	{1,  8, 2, 0, 1}, /* RxER */
+	{1, 10, 2, 0, 1}, /* RxDV */
+	{0, 13, 2, 0, 1}, /* RxCLK->CLK9 */
+	{1, 11, 2, 0, 1}, /* COL */
+	{1, 13, 2, 0, 1}, /* CRS */
+
+	/* ETH4 */
+	{1, 18, 1, 0, 1}, /* TxD0 */
+	{1, 19, 1, 0, 1}, /* TxD1 */
+	{1, 20, 1, 0, 1}, /* TxD2 */
+	{1, 21, 1, 0, 1}, /* TxD3 */
+	{1, 27, 1, 0, 1}, /* TxER */
+	{1, 30, 1, 0, 1}, /* TxEN */
+	{3,  6, 2, 0, 1}, /* TxCLK->CLK8 */
+
+	{1, 22, 2, 0, 1}, /* RxD0 */
+	{1, 23, 2, 0, 1}, /* RxD1 */
+	{1, 24, 2, 0, 1}, /* RxD2 */
+	{1, 25, 2, 0, 1}, /* RxD3 */
+	{1, 26, 1, 0, 1}, /* RxER */
+	{1, 28, 2, 0, 1}, /* Rx_DV */
+	{3, 31, 2, 0, 1}, /* RxCLK->CLK7 */
+	{1, 29, 2, 0, 1}, /* COL */
+	{1, 31, 2, 0, 1}, /* CRS */
+
+	{3,  4, 3, 0, 2}, /* MDIO */
+	{3,  5, 1, 0, 2}, /* MDC */
+
+	{0,  0, 0, 0, QE_IOP_TAB_END}, /* END of table */
+};
+
+void iop_setup_miae(void)
+{
+	immap_t __iomem *im = (immap_t *)CONFIG_SYS_IMMR;
+
+	/* PORTA configuration */
+	out_be32(&im->qepio.ioport[0].pdat, 0x00808000);
+	out_be32(&im->qepio.ioport[0].podr, 0x00008000);
+	out_be32(&im->qepio.ioport[0].dir1, 0x40800968);
+	out_be32(&im->qepio.ioport[0].dir2, 0x650A0896);
+	out_be32(&im->qepio.ioport[0].ppar1, 0x40400204);
+	out_be32(&im->qepio.ioport[0].ppar2, 0x05050464);
+
+	/* PORTB configuration */
+	out_be32(&im->qepio.ioport[1].pdat, 0x00018000);
+	out_be32(&im->qepio.ioport[1].podr, 0x00000000);
+	out_be32(&im->qepio.ioport[1].dir1, 0x50A08949);
+	out_be32(&im->qepio.ioport[1].dir2, 0x5C0C6890);
+	out_be32(&im->qepio.ioport[1].ppar1, 0x50504644);
+	out_be32(&im->qepio.ioport[1].ppar2, 0x080800A0);
+
+	/* PORTC configuration */
+	out_be32(&im->qepio.ioport[2].pdat, 0x3D000108);
+	out_be32(&im->qepio.ioport[2].podr, 0x00000000);
+	out_be32(&im->qepio.ioport[2].dir1, 0x45518000);
+	out_be32(&im->qepio.ioport[2].dir2, 0xA8119561);
+	out_be32(&im->qepio.ioport[2].ppar1, 0x80008000);
+	out_be32(&im->qepio.ioport[2].ppar2, 0x00000000);
+
+	/* PORTD configuration */
+	out_be32(&im->qepio.ioport[3].pdat, 0x1000E000);
+	out_be32(&im->qepio.ioport[3].podr, 0x0000E000);
+	out_be32(&im->qepio.ioport[3].dir1, 0xFDD20800);
+	out_be32(&im->qepio.ioport[3].dir2, 0x54155228);
+	out_be32(&im->qepio.ioport[3].ppar1, 0x54A30C00);
+	out_be32(&im->qepio.ioport[3].ppar2, 0x00000100);
+}
+
+void iop_setup_mcr(void)
+{
+	immap_t __iomem *im = (immap_t *)CONFIG_SYS_IMMR;
+
+	/* PORTA configuration */
+	out_be32(&im->qepio.ioport[0].pdat, 0x00808004);
+	out_be32(&im->qepio.ioport[0].podr, 0x00000000);
+	out_be32(&im->qepio.ioport[0].dir1, 0x40800A68);
+	out_be32(&im->qepio.ioport[0].dir2, 0x650A0896);
+	out_be32(&im->qepio.ioport[0].ppar1, 0x40400004);
+	out_be32(&im->qepio.ioport[0].ppar2, 0x05050444);
+
+	/* PORTB configuration */
+	out_be32(&im->qepio.ioport[1].pdat, 0x00008000);
+	out_be32(&im->qepio.ioport[1].podr, 0x00000004);
+	out_be32(&im->qepio.ioport[1].dir1, 0x50A08A4A);
+	out_be32(&im->qepio.ioport[1].dir2, 0x5C0C6890);
+	out_be32(&im->qepio.ioport[1].ppar1, 0x50504444);
+	out_be32(&im->qepio.ioport[1].ppar2, 0x08080080);
+
+	/* PORTC configuration */
+	out_be32(&im->qepio.ioport[2].pdat, 0x3D000018);
+	out_be32(&im->qepio.ioport[2].podr, 0x00000400);
+	out_be32(&im->qepio.ioport[2].dir1, 0x45518000);
+	out_be32(&im->qepio.ioport[2].dir2, 0xA8129561);
+	out_be32(&im->qepio.ioport[2].ppar1, 0x80008000);
+	out_be32(&im->qepio.ioport[2].ppar2, 0x00000000);
+
+	/* PORTD configuration */
+	out_be32(&im->qepio.ioport[3].pdat, 0x1000E000);
+	out_be32(&im->qepio.ioport[3].podr, 0x0000E000);
+	out_be32(&im->qepio.ioport[3].dir1, 0xFDD20800);
+	out_be32(&im->qepio.ioport[3].dir2, 0x54155228);
+	out_be32(&im->qepio.ioport[3].ppar1, 0x54A30C00);
+	out_be32(&im->qepio.ioport[3].ppar2, 0x00000100);
+}
+
+static void iop_setup_cmpcpro(void)
+{
+	immap_t __iomem *im = (immap_t *)CONFIG_SYS_IMMR;
+
+	/* PORTA configuration */
+	out_be32(&im->qepio.ioport[0].pdat, 0x00000000);
+	out_be32(&im->qepio.ioport[0].podr, 0x00000000);
+	out_be32(&im->qepio.ioport[0].dir1, 0x50A84020);
+	out_be32(&im->qepio.ioport[0].dir2, 0x00000000);
+	out_be32(&im->qepio.ioport[0].ppar1, 0xF0FCC000);
+	out_be32(&im->qepio.ioport[0].ppar2, 0x00000000);
+
+	/* PORTB configuration */
+	out_be32(&im->qepio.ioport[1].pdat, 0x00000000);
+	out_be32(&im->qepio.ioport[1].podr, 0x00000000);
+	out_be32(&im->qepio.ioport[1].dir1, 0x00000000);
+	out_be32(&im->qepio.ioport[1].dir2, 0x00006800);
+	out_be32(&im->qepio.ioport[1].ppar1, 0x00000000);
+	out_be32(&im->qepio.ioport[1].ppar2, 0x00000000);
+
+	/* PORTC configuration */
+	out_be32(&im->qepio.ioport[2].pdat, 0x19000000);
+	out_be32(&im->qepio.ioport[2].podr, 0x00000000);
+	out_be32(&im->qepio.ioport[2].dir1, 0x01410000);
+	out_be32(&im->qepio.ioport[2].dir2, 0xA8009400);
+	out_be32(&im->qepio.ioport[2].ppar1, 0x00000000);
+	out_be32(&im->qepio.ioport[2].ppar2, 0x00000000);
+
+	/* PORTD configuration */
+	out_be32(&im->qepio.ioport[3].pdat, 0x1000E000);
+	out_be32(&im->qepio.ioport[3].podr, 0x0000E000);
+	out_be32(&im->qepio.ioport[3].dir1, 0xFD020000);
+	out_be32(&im->qepio.ioport[3].dir2, 0x54055000);
+	out_be32(&im->qepio.ioport[3].ppar1, 0x54030000);
+	out_be32(&im->qepio.ioport[3].ppar2, 0x00000000);
+}
+
+int board_early_init_r(void)
+{
+	immap_t __iomem *im = (immap_t *)CONFIG_SYS_IMMR;
+	fsl_lbc_t *lbus = &im->im_lbc;
+
+	upmconfig(UPMA, upma_table, ARRAY_SIZE(upma_table));
+
+	out_be32(&lbus->mamr, 0x00044440);
+
+	/* configure LBCR register */
+	out_be32(&lbus->lbcr, 0x00000500);
+	sync();
+
+	if (in_8(ADDR_FPGA_REG_ETAT) & R_ETAT_PRES_BASE) {
+		int i;
+
+		/* Initialize signal PROG_FPGA_FIRMWARE */
+		setbits_be32(&im->qepio.ioport[0].pdat, 0x00008000);
+		setbits_be32(&im->qepio.ioport[0].dir2, 0x60000002);
+		setbits_be32(&im->qepio.ioport[0].podr, 0x00008000);
+
+		mdelay(1);
+
+		/* Now read CPDATA[31] to check if FPGA is loaded */
+		if (!in_be32(&im->qepio.ioport[0].pdat) & 0x00000001) {
+			printf("Reloading FPGA firmware.\n");
+
+			clrbits_be32(&im->qepio.ioport[0].pdat, 0x00008000);
+			udelay(1);
+			setbits_be32(&im->qepio.ioport[0].pdat, 0x00008000);
+
+			/* Wait 200 msec and check DONE_FPGA_FIRMWARE */
+			mdelay(200);
+			if (!(in_be32(&im->qepio.ioport[0].pdat) & 0x00000001)) {
+				for (;;) {
+					printf("error loading firmware.\n");
+					mdelay(500);
+				}
+			}
+
+			/* Send a reset signal and wait for 20 msec */
+			out_8(ADDR_FPGA_RESET_G, in_8(ADDR_FPGA_RESET_G) | RESET_G_OK);
+			mdelay(20);
+			out_8(ADDR_FPGA_RESET_G, in_8(ADDR_FPGA_RESET_G) & ~RESET_G_OK);
+		}
+
+		/* Wait 300 msec and check the reset state */
+		mdelay(300);
+		for (i = 0; !(in_8(ADDR_FPGA_REG_ETAT) & RESET_G_OK); i++) {
+			for (;;) {
+				printf("Could not reset FPGA.\n");
+				mdelay(500);
+			}
+		}
+
+		iop_setup_common();
+
+		/* clocks configuration */
+		out_be32(&qe_immr->qmx.cmxsi1cr_l, 0x00040004);
+		out_be32(&qe_immr->qmx.cmxsi1syr, 0x00000000);
+	} else {
+		iop_setup_cmpcpro();
+	}
+
+	return 0;
+}
+
+int dram_init(int board_type)
+{
+	immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
+
+	out_be32(&im->sysconf.ddrlaw[0].bar, CFG_SYS_DDR_SDRAM_BASE & LAWBAR_BAR);
+	out_be32(&im->sysconf.ddrlaw[0].ar, LAWAR_EN | ((ilog2(SZ_512M) - 1) & LAWAR_SIZE));
+
+	out_be32(&im->ddr.sdram_clk_cntl, CFG_SYS_DDR_CLK_CNTL);
+	out_be32(&im->ddr.csbnds[0].csbnds, CFG_SYS_DDR_CS0_BNDS);
+	out_be32(&im->ddr.cs_config[0], CFG_SYS_DDR_CS0_CONFIG);
+
+	out_be32(&im->ddr.timing_cfg_0, CFG_SYS_DDR_TIMING_0);
+	out_be32(&im->ddr.timing_cfg_1, CFG_SYS_DDR_TIMING_1);
+	out_be32(&im->ddr.timing_cfg_2, CFG_SYS_DDR_TIMING_2);
+	out_be32(&im->ddr.timing_cfg_3, CFG_SYS_DDR_TIMING_3);
+	out_be32(&im->ddr.sdram_cfg, CFG_SYS_DDR_SDRAM_CFG);
+	out_be32(&im->ddr.sdram_cfg2, CFG_SYS_DDR_SDRAM_CFG2);
+	out_be32(&im->ddr.sdram_mode, CFG_SYS_DDR_MODE);
+	out_be32(&im->ddr.sdram_mode2, CFG_SYS_DDR_MODE2);
+	out_be32(&im->ddr.sdram_interval, CFG_SYS_DDR_INTERVAL);
+	udelay(200);
+
+	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
+
+	gd->ram_size = SZ_512M;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	printf("Board: ");
+
+	/* Is a motherboard present ? */
+	if (in_8(ADDR_FPGA_REG_ETAT) & R_ETAT_PRES_BASE)
+		return checkboard_common();
+
+	printf("CMPCPRO (CS GROUP)\n");
+
+	return 0;
+}
+
+/* Reads MAC addresses from SPI EEPROM */
+static int setup_mac(void)
+{
+	uchar din[MAX_SPI_BYTES];
+	int ret;
+	unsigned long ident = 0x08005120;
+
+	ret = read_eeprom(din, sizeof(din));
+	if (ret)
+		return ret;
+
+	if (memcmp(din + EE_OFF_MAC1, &ident, sizeof(ident)) == 0) {
+		eth_env_set_enetaddr("ethaddr", din + EE_OFF_MAC1);
+		eth_env_set_enetaddr("eth3addr", din + EE_OFF_MAC1);
+	}
+
+	if (memcmp(din + EE_OFF_MAC2, &ident, sizeof(ident)) == 0)
+		eth_env_set_enetaddr("eth1addr", din + EE_OFF_MAC2);
+
+	if (memcmp(din + EE_OFF_MAC3, &ident, sizeof(ident)) == 0)
+		eth_env_set_enetaddr("eth2addr", din + EE_OFF_MAC3);
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	/* we do not modify environment variable area if CRC is false */
+	/* Verify if mother board is present */
+	if (in_8(ADDR_FPGA_REG_ETAT) & R_ETAT_PRES_BASE) {
+		misc_init_r_common();
+	} else {
+		env_set("config", CFG_BOARD_CMPCXXX);
+		env_set("hostname", CFG_BOARD_CMPCXXX);
+	}
+
+	if (setup_mac())
+		printf("Error retrieving mac addresses\n");
+
+	return 0;
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	ft_cpu_setup(blob, bd);
+
+	/* MIAE only */
+	if (!(in_8(ADDR_FPGA_REG_ETAT) & R_ETAT_PRES_BASE))
+		return 0;
+
+	return ft_board_setup_common(blob);
+}
+
+void ft_board_setup_phy3(void)
+{
+	/* switch to phy3 with gpio, we'll only use phy3 */
+	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+
+	setbits_be32(&immr->qepio.ioport[2].pdat, 0x00000400);
+}
+
+#define ADDR_FPGA_R_BASE		((unsigned char  __iomem *)CONFIG_FPGA_BASE)
+#define ADDR_FPGA_R_ALARMES_IN		((unsigned char  __iomem *)CONFIG_FPGA_BASE + 0x31)
+#define ADDR_FPGA_R_FAV			((unsigned char  __iomem *)CONFIG_FPGA_BASE + 0x44)
+
diff --git a/board/cssi/cmpcpro/cmpcpro.env b/board/cssi/cmpcpro/cmpcpro.env
new file mode 100644
index 0000000..7394b83
--- /dev/null
+++ b/board/cssi/cmpcpro/cmpcpro.env
@@ -0,0 +1,8 @@
+loadaddr=0x1a00000
+filename=cmpcpro.itb
+netdev=eth0
+console_args=console=ttyS0,115200N8
+loadkernel=ubi part nand0;ubifsmount ubi0; ubifsload ${loadaddr} /boot/${filename}; ubifsumount; ubi detach
+flashboot=mw.w 90000040 0x000E 1; setenv bootargs ${console_args} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}:eth0:off ${ofl_args}; run loadkernel; bootm $loadaddr#$config
+tftpboot=mw.w 90000040 0x000E 1; setenv bootargs ${console_args} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}:eth0:off ${ofl_args}; tftp ${loadaddr} ${filename}; bootm $loadaddr#$config
+update=echo 'Updating ubi image'; mw.w 90000040 0x000E 1; if tftp $loadaddr $ubifile; then nand erase.chip; nand write $loadaddr 0x00 $filesize; fi;
diff --git a/board/cssi/cmpcpro/nand.c b/board/cssi/cmpcpro/nand.c
new file mode 100644
index 0000000..d8b4197
--- /dev/null
+++ b/board/cssi/cmpcpro/nand.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2010-2023 CS GROUP France
+ * Florent TRINH THAI (florent.trinh-thai@csgroup.eu)
+ * Stephane FRANJOU (stephane.franjou@csgroup.eu)
+ */
+
+#include <config.h>
+#include <nand.h>
+#include <linux/bitops.h>
+#include <linux/mtd/rawnand.h>
+#include <asm/io.h>
+
+#define BIT_CLE		BIT(6)
+#define BIT_ALE		BIT(5)
+
+static u32 nand_mask(unsigned int ctrl)
+{
+	return ((ctrl & NAND_CLE) ? BIT_CLE : 0) |
+	       ((ctrl & NAND_ALE) ? BIT_ALE : 0);
+}
+
+static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd, unsigned int ctrl)
+{
+	immap_t __iomem *immr = (immap_t *)CONFIG_SYS_IMMR;
+	struct nand_chip *chip = mtd_to_nand(mtdinfo);
+
+	if (ctrl & NAND_CTRL_CHANGE)
+		clrsetbits_be32(&immr->qepio.ioport[2].pdat,
+				BIT_CLE | BIT_ALE, nand_mask(ctrl));
+
+	if (cmd != NAND_CMD_NONE)
+		out_8(chip->IO_ADDR_W, cmd);
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+	nand->chip_delay	= 60;
+	nand->ecc.mode		= NAND_ECC_SOFT;
+	nand->cmd_ctrl		= nand_hwcontrol;
+
+	return 0;
+}