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Diffstat (limited to 'board/tqc/tqm8272/nand.c')
-rw-r--r--board/tqc/tqm8272/nand.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/board/tqc/tqm8272/nand.c b/board/tqc/tqm8272/nand.c
deleted file mode 100644
index 7fb2dfabc1..0000000000
--- a/board/tqc/tqm8272/nand.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * (C) Copyright 2008
- * Heiko Schocher, DENX Software Engineering, hs@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <ioports.h>
-#include <mpc8260.h>
-
-#include "tqm8272.h"
-
-/* UPM pattern for bus clock = 66.7 MHz */
-static const uint upmTable67[] =
-{
- /* Offset UPM Read Single RAM array entry -> NAND Read Data */
- /* 0x00 */ 0x0fa3f100, 0x0fa3b000, 0x0fa33100, 0x0fa33000,
- /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00,
-
- /* UPM Read Burst RAM array entry -> unused */
- /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
-
- /* UPM Read Burst RAM array entry -> unused */
- /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
-
- /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */
- /* 0x18 */ 0x00a3fc00, 0x00a3fc00, 0x00a3fc00, 0x00a3fc00,
- /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00,
-
- /* UPM Write Burst RAM array entry -> unused */
- /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-
- /* UPM Refresh Timer RAM array entry -> unused */
- /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-
- /* UPM Exception RAM array entry -> unsused */
- /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-};
-
-/* UPM pattern for bus clock = 100 MHz */
-static const uint upmTable100[] =
-{
- /* Offset UPM Read Single RAM array entry -> NAND Read Data */
- /* 0x00 */ 0x0fa3f200, 0x0fa3b000, 0x0fa33300, 0x0fa33000,
- /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00,
-
- /* UPM Read Burst RAM array entry -> unused */
- /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
-
- /* UPM Read Burst RAM array entry -> unused */
- /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
-
- /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */
- /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fc00, 0x0fa3fc00,
- /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00,
-
- /* UPM Write Burst RAM array entry -> unused */
- /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-
- /* UPM Refresh Timer RAM array entry -> unused */
- /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-
- /* UPM Exception RAM array entry -> unsused */
- /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-};
-
-/* UPM pattern for bus clock = 133.3 MHz */
-static const uint upmTable133[] =
-{
- /* Offset UPM Read Single RAM array entry -> NAND Read Data */
- /* 0x00 */ 0x0fa3f300, 0x0fa3b000, 0x0fa33300, 0x0fa33000,
- /* 0x04 */ 0x0fa33200, 0x0fa33004, 0xfffffc01, 0xfffffc00,
-
- /* UPM Read Burst RAM array entry -> unused */
- /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
-
- /* UPM Read Burst RAM array entry -> unused */
- /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
-
- /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */
- /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fd00, 0x0fa3fc00,
- /* 0x1C */ 0x0fa3fd00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00,
-
- /* UPM Write Burst RAM array entry -> unused */
- /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-
- /* UPM Refresh Timer RAM array entry -> unused */
- /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
- /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-
- /* UPM Exception RAM array entry -> unsused */
- /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
-};
-
-static int chipsel = 0;
-
-#if defined(CONFIG_CMD_NAND)
-
-#include <nand.h>
-#include <linux/mtd/mtd.h>
-
-static u8 hwctl = 0;
-
-static void upmnand_write_byte(struct mtd_info *mtdinfo, u_char byte)
-{
- struct nand_chip *this = mtdinfo->priv;
- ulong base = (ulong) (this->IO_ADDR_W + chipsel * CONFIG_SYS_NAND_CS_DIST);
-
- if (hwctl & 0x1) {
- WRITE_NAND_UPM(byte, base, CONFIG_SYS_NAND_UPM_WRITE_CMD_OFS);
- } else if (hwctl & 0x2) {
- WRITE_NAND_UPM(byte, base, CONFIG_SYS_NAND_UPM_WRITE_ADDR_OFS);
- } else {
- WRITE_NAND(byte, base);
- }
-}
-
-static void upmnand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- if (ctrl & NAND_CTRL_CHANGE) {
- if ( ctrl & NAND_CLE )
- hwctl |= 0x1;
- else
- hwctl &= ~0x1;
- if ( ctrl & NAND_ALE )
- hwctl |= 0x2;
- else
- hwctl &= ~0x2;
- }
- if (cmd != NAND_CMD_NONE)
- upmnand_write_byte (mtd, cmd);
-}
-
-static u_char upmnand_read_byte(struct mtd_info *mtdinfo)
-{
- struct nand_chip *this = mtdinfo->priv;
- ulong base = (ulong) (this->IO_ADDR_W + chipsel * CONFIG_SYS_NAND_CS_DIST);
-
- return READ_NAND(base);
-}
-
-static int tqm8272_dev_ready(struct mtd_info *mtdinfo)
-{
- /* constant delay (see also tR in the datasheet) */
- udelay(12); \
- return 1;
-}
-
-#ifndef CONFIG_NAND_SPL
-static void tqm8272_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len)
-{
- struct nand_chip *this = mtdinfo->priv;
- unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CONFIG_SYS_NAND_CS_DIST);
- int i;
-
- for (i = 0; i< len; i++)
- buf[i] = *base;
-}
-
-static void tqm8272_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
-{
- struct nand_chip *this = mtdinfo->priv;
- unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CONFIG_SYS_NAND_CS_DIST);
- int i;
-
- for (i = 0; i< len; i++)
- *base = buf[i];
-}
-
-#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
-static int tqm8272_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
-{
- struct nand_chip *this = mtdinfo->priv;
- unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CONFIG_SYS_NAND_CS_DIST);
- int i;
-
- for (i = 0; i < len; i++)
- if (buf[i] != *base)
- return -1;
- return 0;
-}
-#endif
-#endif /* #ifndef CONFIG_NAND_SPL */
-
-void board_nand_select_device(struct nand_chip *nand, int chip)
-{
- chipsel = chip;
-}
-
-int board_nand_init(struct nand_chip *nand)
-{
- static int UpmInit = 0;
- volatile immap_t * immr = (immap_t *)CONFIG_SYS_IMMR;
- volatile memctl8260_t *memctl = &immr->im_memctl;
-
- if (hwinf.nand == 0) return -1;
-
- /* Setup the UPM */
- if (UpmInit == 0) {
- switch (hwinf.busclk_real) {
- case 100000000:
- upmconfig (UPMB, (uint *) upmTable100,
- sizeof (upmTable100) / sizeof (uint));
- break;
- case 133333333:
- upmconfig (UPMB, (uint *) upmTable133,
- sizeof (upmTable133) / sizeof (uint));
- break;
- default:
- upmconfig (UPMB, (uint *) upmTable67,
- sizeof (upmTable67) / sizeof (uint));
- break;
- }
- UpmInit = 1;
- }
-
- /* Setup the memctrl */
- memctl->memc_or3 = CONFIG_SYS_NAND_OR;
- memctl->memc_br3 = CONFIG_SYS_NAND_BR;
- memctl->memc_mbmr = (MxMR_OP_NORM);
-
- nand->ecc.mode = NAND_ECC_SOFT;
-
- nand->cmd_ctrl = upmnand_hwcontrol;
- nand->read_byte = upmnand_read_byte;
- nand->dev_ready = tqm8272_dev_ready;
-
-#ifndef CONFIG_NAND_SPL
- nand->write_buf = tqm8272_write_buf;
- nand->read_buf = tqm8272_read_buf;
-#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
- nand->verify_buf = tqm8272_verify_buf;
-#endif
-#endif
-
- /*
- * Select required NAND chip
- */
- board_nand_select_device(nand, 0);
- return 0;
-}
-
-#endif
generated by cgit (git 2.34.1) at 2024-12-26 22:18:51 +0000