110 lines
3.2 KiB
Diff
110 lines
3.2 KiB
Diff
From f888824d352df894ab721a5ca067b0313500efe7 Mon Sep 17 00:00:00 2001
|
|
From: Jonas Gorski <jonas.gorski@gmail.com>
|
|
Date: Thu, 3 May 2012 12:17:54 +0200
|
|
Subject: [PATCH 38/59] MIPS: BCM63XX: store the flash type in global variable
|
|
|
|
---
|
|
arch/mips/bcm63xx/dev-flash.c | 36 +++++++++++++------
|
|
.../include/asm/mach-bcm63xx/bcm63xx_dev_flash.h | 2 +
|
|
2 files changed, 26 insertions(+), 12 deletions(-)
|
|
|
|
--- a/arch/mips/bcm63xx/dev-flash.c
|
|
+++ b/arch/mips/bcm63xx/dev-flash.c
|
|
@@ -25,6 +25,8 @@
|
|
#include <bcm63xx_regs.h>
|
|
#include <bcm63xx_io.h>
|
|
|
|
+int bcm63xx_attached_flash = -1;
|
|
+
|
|
static struct mtd_partition mtd_partitions[] = {
|
|
{
|
|
.name = "cfe",
|
|
@@ -86,20 +88,23 @@ static int __init bcm63xx_detect_flash_t
|
|
bcm63xx_spi_flash_info[0].max_speed_hz = 16666667;
|
|
|
|
if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
|
|
- return BCM63XX_FLASH_TYPE_SERIAL;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
|
|
else
|
|
- return BCM63XX_FLASH_TYPE_NAND;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_NAND;
|
|
+ break;
|
|
case BCM6338_CPU_ID:
|
|
case BCM6345_CPU_ID:
|
|
case BCM6348_CPU_ID:
|
|
/* no way to auto detect so assume parallel */
|
|
- return BCM63XX_FLASH_TYPE_PARALLEL;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_PARALLEL;
|
|
+ break;
|
|
case BCM6358_CPU_ID:
|
|
val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
|
|
if (val & STRAPBUS_6358_BOOT_SEL_PARALLEL)
|
|
- return BCM63XX_FLASH_TYPE_PARALLEL;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_PARALLEL;
|
|
else
|
|
- return BCM63XX_FLASH_TYPE_SERIAL;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
|
|
+ break;
|
|
case BCM6368_CPU_ID:
|
|
val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
|
|
if (val & STRAPBUS_6368_SPI_CLK_FAST)
|
|
@@ -107,25 +112,32 @@ static int __init bcm63xx_detect_flash_t
|
|
|
|
switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {
|
|
case STRAPBUS_6368_BOOT_SEL_NAND:
|
|
- return BCM63XX_FLASH_TYPE_NAND;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_NAND;
|
|
+ break;
|
|
case STRAPBUS_6368_BOOT_SEL_SERIAL:
|
|
- return BCM63XX_FLASH_TYPE_SERIAL;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
|
|
+ break;
|
|
case STRAPBUS_6368_BOOT_SEL_PARALLEL:
|
|
- return BCM63XX_FLASH_TYPE_PARALLEL;
|
|
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_PARALLEL;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
}
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
+
|
|
+ return 0;
|
|
}
|
|
|
|
int __init bcm63xx_flash_register(void)
|
|
{
|
|
- int flash_type;
|
|
u32 val;
|
|
|
|
- flash_type = bcm63xx_detect_flash_type();
|
|
|
|
- switch (flash_type) {
|
|
+ bcm63xx_detect_flash_type();
|
|
+
|
|
+ switch (bcm63xx_attached_flash) {
|
|
case BCM63XX_FLASH_TYPE_PARALLEL:
|
|
/* read base address of boot chip select (0) */
|
|
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
|
|
@@ -146,7 +158,7 @@ int __init bcm63xx_flash_register(void)
|
|
return -ENODEV;
|
|
default:
|
|
pr_err("flash detection failed for BCM%x: %d\n",
|
|
- bcm63xx_get_cpu_id(), flash_type);
|
|
+ bcm63xx_get_cpu_id(), bcm63xx_attached_flash);
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
|
|
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
|
|
@@ -7,6 +7,8 @@ enum {
|
|
BCM63XX_FLASH_TYPE_NAND,
|
|
};
|
|
|
|
+extern int bcm63xx_attached_flash;
|
|
+
|
|
int __init bcm63xx_flash_register(void);
|
|
|
|
#endif /* __BCM63XX_FLASH_H */
|