blob: 98a229b1ac3e06fa8189dbcf658cf529fc70a0d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
From d9666553a10ea85ea64e3e8784a42167a1709ed5 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Mon, 21 Nov 2011 00:48:52 +0100
Subject: [PATCH 55/84] MIPS: BCM63XX: add flash detection for BCM6362
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
arch/mips/bcm63xx/dev-flash.c | 13 ++++++++++++-
arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 1 +
2 files changed, 13 insertions(+), 1 deletions(-)
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -100,6 +100,17 @@ static int __init bcm63xx_detect_flash_t
return BCM63XX_FLASH_TYPE_PARALLEL;
else
return BCM63XX_FLASH_TYPE_SERIAL;
+ case BCM6362_CPU_ID:
+ val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
+ if (val & STRAPBUS_6362_HSSPI_CLK_FAST)
+ bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
+ else
+ bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
+
+ if (val & STRAPBUS_6362_BOOT_SEL_SERIAL)
+ return BCM63XX_FLASH_TYPE_SERIAL;
+ else
+ return BCM63XX_FLASH_TYPE_NAND;
case BCM6368_CPU_ID:
val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
if (val & STRAPBUS_6368_SPI_CLK_FAST)
@@ -136,7 +147,7 @@ int __init bcm63xx_flash_register(void)
return platform_device_register(&mtd_dev);
case BCM63XX_FLASH_TYPE_SERIAL:
- if (BCMCPU_IS_6328())
+ if (BCMCPU_IS_6328() || BCMCPU_IS_6362())
bcm63xx_flash_data.max_transfer_len = HSSPI_BUFFER_LEN;
return spi_register_board_info(bcm63xx_spi_flash_info,
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1304,6 +1304,7 @@
#define MISC_STRAPBUS_6362_REG 0x14
#define STRAPBUS_6362_FCVO_SHIFT 1
+#define STRAPBUS_6362_HSSPI_CLK_FAST (1 << 13)
#define STRAPBUS_6362_FCVO_MASK (0x1f << STRAPBUS_6362_FCVO_SHIFT)
#define STRAPBUS_6362_BOOT_SEL_SERIAL (1 << 15)
#define STRAPBUS_6362_BOOT_SEL_NAND (0 << 15)
|
