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-rw-r--r--arch/mips/txx9/rbtx4938/Makefile2
-rw-r--r--arch/mips/txx9/rbtx4938/irq.c8
-rw-r--r--arch/mips/txx9/rbtx4938/prom.c3
-rw-r--r--arch/mips/txx9/rbtx4938/setup.c63
-rw-r--r--arch/mips/txx9/rbtx4938/spi_eeprom.c99
5 files changed, 60 insertions, 115 deletions
diff --git a/arch/mips/txx9/rbtx4938/Makefile b/arch/mips/txx9/rbtx4938/Makefile
index 9dcc52ae5b9..f3e1f597b4f 100644
--- a/arch/mips/txx9/rbtx4938/Makefile
+++ b/arch/mips/txx9/rbtx4938/Makefile
@@ -1,3 +1,3 @@
-obj-y += prom.o setup.o irq.o spi_eeprom.o
+obj-y += prom.o setup.o irq.o
EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c
index ca2f8306ce9..7d21befb893 100644
--- a/arch/mips/txx9/rbtx4938/irq.c
+++ b/arch/mips/txx9/rbtx4938/irq.c
@@ -85,10 +85,10 @@ static int toshiba_rbtx4938_irq_nested(int sw_irq)
u8 level3;
level3 = readb(rbtx4938_imstat_addr);
- if (level3)
- /* must use fls so onboard ATA has priority */
- sw_irq = RBTX4938_IRQ_IOC + fls(level3) - 1;
- return sw_irq;
+ if (unlikely(!level3))
+ return -1;
+ /* must use fls so onboard ATA has priority */
+ return RBTX4938_IRQ_IOC + __fls8(level3);
}
static void __init
diff --git a/arch/mips/txx9/rbtx4938/prom.c b/arch/mips/txx9/rbtx4938/prom.c
index d73123cd2ab..bcb469247e8 100644
--- a/arch/mips/txx9/rbtx4938/prom.c
+++ b/arch/mips/txx9/rbtx4938/prom.c
@@ -18,9 +18,6 @@
void __init rbtx4938_prom_init(void)
{
-#ifndef CONFIG_TX4938_NAND_BOOT
- prom_init_cmdline();
-#endif
add_memory_region(0, tx4938_get_mem_size(), BOOT_MEM_RAM);
txx9_sio_putchar_init(TX4938_SIO_REG(0) & 0xfffffffffULL);
}
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index 9ab48dec0fe..e077cc4d3a5 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
+#include <linux/mtd/physmap.h>
#include <asm/reboot.h>
#include <asm/io.h>
@@ -110,6 +111,7 @@ static void __init rbtx4938_pci_setup(void)
#define SEEPROM2_CS 0 /* IOC */
#define SEEPROM3_CS 1 /* IOC */
#define SRTC_CS 2 /* IOC */
+#define SPI_BUSNO 0
static int __init rbtx4938_ethaddr_init(void)
{
@@ -119,7 +121,7 @@ static int __init rbtx4938_ethaddr_init(void)
int i;
/* 0-3: "MAC\0", 4-9:eth0, 10-15:eth1, 16:sum */
- if (spi_eeprom_read(SEEPROM1_CS, 0, dat, sizeof(dat))) {
+ if (spi_eeprom_read(SPI_BUSNO, SEEPROM1_CS, 0, dat, sizeof(dat))) {
printk(KERN_ERR "seeprom: read error.\n");
return -ENODEV;
} else {
@@ -173,23 +175,30 @@ static void __init rbtx4938_mem_setup(void)
#endif
#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_PIO58_61
- printk(KERN_INFO "PIOSEL: disabling both ata and nand selection\n");
+ pr_info("PIOSEL: disabling both ATA and NAND selection\n");
txx9_clear64(&tx4938_ccfgptr->pcfg,
TX4938_PCFG_NDF_SEL | TX4938_PCFG_ATA_SEL);
#endif
#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_NAND
- printk(KERN_INFO "PIOSEL: enabling nand selection\n");
+ pr_info("PIOSEL: enabling NAND selection\n");
txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL);
txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_ATA_SEL);
#endif
#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_ATA
- printk(KERN_INFO "PIOSEL: enabling ata selection\n");
+ pr_info("PIOSEL: enabling ATA selection\n");
txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_ATA_SEL);
txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL);
#endif
+#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_KEEP
+ pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg);
+ pr_info("PIOSEL: NAND %s, ATA %s\n",
+ (pcfg & TX4938_PCFG_NDF_SEL) ? "enabled" : "disabled",
+ (pcfg & TX4938_PCFG_ATA_SEL) ? "enabled" : "disabled");
+#endif
+
rbtx4938_spi_setup();
pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg); /* updated */
/* fixup piosel */
@@ -279,9 +288,9 @@ static int __init rbtx4938_spi_init(void)
.mode = SPI_MODE_1 | SPI_CS_HIGH,
};
spi_register_board_info(&srtc_info, 1);
- spi_eeprom_register(SEEPROM1_CS);
- spi_eeprom_register(16 + SEEPROM2_CS);
- spi_eeprom_register(16 + SEEPROM3_CS);
+ spi_eeprom_register(SPI_BUSNO, SEEPROM1_CS, 128);
+ spi_eeprom_register(SPI_BUSNO, 16 + SEEPROM2_CS, 128);
+ spi_eeprom_register(SPI_BUSNO, 16 + SEEPROM3_CS, 128);
gpio_request(16 + SRTC_CS, "rtc-rs5c348");
gpio_direction_output(16 + SRTC_CS, 0);
gpio_request(SEEPROM1_CS, "seeprom1");
@@ -290,10 +299,46 @@ static int __init rbtx4938_spi_init(void)
gpio_direction_output(16 + SEEPROM2_CS, 1);
gpio_request(16 + SEEPROM3_CS, "seeprom3");
gpio_direction_output(16 + SEEPROM3_CS, 1);
- tx4938_spi_init(0);
+ tx4938_spi_init(SPI_BUSNO);
return 0;
}
+static void __init rbtx4938_mtd_init(void)
+{
+ struct physmap_flash_data pdata = {
+ .width = 4,
+ };
+
+ switch (readb(rbtx4938_bdipsw_addr) & 7) {
+ case 0:
+ /* Boot */
+ txx9_physmap_flash_init(0, 0x1fc00000, 0x400000, &pdata);
+ /* System */
+ txx9_physmap_flash_init(1, 0x1e000000, 0x1000000, &pdata);
+ break;
+ case 1:
+ /* System */
+ txx9_physmap_flash_init(0, 0x1f000000, 0x1000000, &pdata);
+ /* Boot */
+ txx9_physmap_flash_init(1, 0x1ec00000, 0x400000, &pdata);
+ break;
+ case 2:
+ /* Ext */
+ txx9_physmap_flash_init(0, 0x1f000000, 0x1000000, &pdata);
+ /* System */
+ txx9_physmap_flash_init(1, 0x1e000000, 0x1000000, &pdata);
+ /* Boot */
+ txx9_physmap_flash_init(2, 0x1dc00000, 0x400000, &pdata);
+ break;
+ case 3:
+ /* Boot */
+ txx9_physmap_flash_init(1, 0x1bc00000, 0x400000, &pdata);
+ /* System */
+ txx9_physmap_flash_init(2, 0x1a000000, 0x1000000, &pdata);
+ break;
+ }
+}
+
static void __init rbtx4938_arch_init(void)
{
gpiochip_add(&rbtx4938_spi_gpio_chip);
@@ -306,6 +351,8 @@ static void __init rbtx4938_device_init(void)
rbtx4938_ethaddr_init();
rbtx4938_ne_init();
tx4938_wdt_init();
+ rbtx4938_mtd_init();
+ txx9_iocled_init(RBTX4938_LED_ADDR - IO_BASE, -1, 8, 1, "green", NULL);
}
struct txx9_board_vec rbtx4938_vec __initdata = {
diff --git a/arch/mips/txx9/rbtx4938/spi_eeprom.c b/arch/mips/txx9/rbtx4938/spi_eeprom.c
deleted file mode 100644
index a7ea8b041c1..00000000000
--- a/arch/mips/txx9/rbtx4938/spi_eeprom.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * spi_eeprom.c
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/eeprom.h>
-#include <asm/txx9/spi.h>
-
-#define AT250X0_PAGE_SIZE 8
-
-/* register board information for at25 driver */
-int __init spi_eeprom_register(int chipid)
-{
- static struct spi_eeprom eeprom = {
- .name = "at250x0",
- .byte_len = 128,
- .page_size = AT250X0_PAGE_SIZE,
- .flags = EE_ADDR1,
- };
- struct spi_board_info info = {
- .modalias = "at25",
- .max_speed_hz = 1500000, /* 1.5Mbps */
- .bus_num = 0,
- .chip_select = chipid,
- .platform_data = &eeprom,
- /* Mode 0: High-Active, Sample-Then-Shift */
- };
-
- return spi_register_board_info(&info, 1);
-}
-
-/* simple temporary spi driver to provide early access to seeprom. */
-
-static struct read_param {
- int chipid;
- int address;
- unsigned char *buf;
- int len;
-} *read_param;
-
-static int __init early_seeprom_probe(struct spi_device *spi)
-{
- int stat = 0;
- u8 cmd[2];
- int len = read_param->len;
- char *buf = read_param->buf;
- int address = read_param->address;
-
- dev_info(&spi->dev, "spiclk %u KHz.\n",
- (spi->max_speed_hz + 500) / 1000);
- if (read_param->chipid != spi->chip_select)
- return -ENODEV;
- while (len > 0) {
- /* spi_write_then_read can only work with small chunk */
- int c = len < AT250X0_PAGE_SIZE ? len : AT250X0_PAGE_SIZE;
- cmd[0] = 0x03; /* AT25_READ */
- cmd[1] = address;
- stat = spi_write_then_read(spi, cmd, sizeof(cmd), buf, c);
- buf += c;
- len -= c;
- address += c;
- }
- return stat;
-}
-
-static struct spi_driver early_seeprom_driver __initdata = {
- .driver = {
- .name = "at25",
- .owner = THIS_MODULE,
- },
- .probe = early_seeprom_probe,
-};
-
-int __init spi_eeprom_read(int chipid, int address,
- unsigned char *buf, int len)
-{
- int ret;
- struct read_param param = {
- .chipid = chipid,
- .address = address,
- .buf = buf,
- .len = len
- };
-
- read_param = &param;
- ret = spi_register_driver(&early_seeprom_driver);
- if (!ret)
- spi_unregister_driver(&early_seeprom_driver);
- return ret;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 12:35:08 +0000