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brcm63xx: fix spi flash setup on (at least) some reference boards 

CFE seems to leave the SPI flash mapping in an invalid state after
loading the kernel on some reference boards, so fix it up on boot.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 39273
owl
Jonas Gorski 2014-01-13 12:14:12 +00:00
parent 4aa92df0d8
commit 1315058bda
11 changed files with 194 additions and 168 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/brcm63xx/patches-3.10/343-MIPS-BCM63XX-add-PCIe-support-for-BCM6318.patch
View File

@ -79,7 +79,7 @@ Subject: [PATCH 53/53] MIPS: BCM63XX: add PCIe support for BCM6318
#define BCM_PCIE_MEM_END_PA_6328 (BCM_PCIE_MEM_BASE_PA_6328 + \
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1661,6 +1661,17 @@
@@ -1662,6 +1662,17 @@
* _REG relative to RSET_PCIE
*************************************************************************/
@ -97,7 +97,7 @@ Subject: [PATCH 53/53] MIPS: BCM63XX: add PCIe support for BCM6318
#define PCIE_CONFIG2_REG 0x408
#define CONFIG2_BAR1_SIZE_EN 1
#define CONFIG2_BAR1_SIZE_MASK 0xf
@@ -1706,7 +1717,54 @@
@@ -1707,7 +1718,54 @@
#define PCIE_RC_INT_C (1 << 2)
#define PCIE_RC_INT_D (1 << 3)

74
target/linux/brcm63xx/patches-3.10/344-MIPS-BCM63XX-detect-flash-type-early-and-store-the-r.patch Normal file
View File

@ -0,0 +1,74 @@
From 9a97177b907330971aa7bf41855fafc2602e1c18 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 22 Dec 2013 12:26:57 +0100
Subject: [PATCH 51/56] MIPS: BCM63XX: detect flash type early and store the
result
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/dev-flash.c | 10 +++++++---
arch/mips/bcm63xx/prom.c | 4 ++++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h | 2 ++
3 files changed, 13 insertions(+), 3 deletions(-)
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -22,6 +22,8 @@
#include <bcm63xx_regs.h>
#include <bcm63xx_io.h>
+static int flash_type;
+
static struct mtd_partition mtd_partitions[] = {
{
.name = "cfe",
@@ -108,13 +110,15 @@ static int __init bcm63xx_detect_flash_t
}
}
+void __init bcm63xx_flash_detect(void)
+{
+ flash_type = bcm63xx_detect_flash_type();
+}
+
int __init bcm63xx_flash_register(void)
{
- int flash_type;
u32 val;
- flash_type = bcm63xx_detect_flash_type();
-
switch (flash_type) {
case BCM63XX_FLASH_TYPE_PARALLEL:
/* read base address of boot chip select (0) */
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -18,6 +18,7 @@
#include <bcm63xx_io.h>
#include <bcm63xx_regs.h>
#include <bcm63xx_gpio.h>
+#include <bcm63xx_dev_flash.h>
void __init prom_init(void)
{
@@ -56,6 +57,9 @@ void __init prom_init(void)
/* register gpiochip */
bcm63xx_gpio_init();
+ /* detect and setup flash access */
+ bcm63xx_flash_detect();
+
/* do low level board init */
board_prom_init();
--- 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,
};
+void bcm63xx_flash_detect(void);
+
int __init bcm63xx_flash_register(void);
#endif /* __BCM63XX_FLASH_H */

63
target/linux/brcm63xx/patches-3.10/345-MIPS-BCM63XX-fixup-mapped-SPI-flash-access-on-boot.patch Normal file
View File

@ -0,0 +1,63 @@
From 1cacd0f7b0d35f8e3d3f8a69ecb3b5e436d6b9e8 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 22 Dec 2013 13:25:25 +0100
Subject: [PATCH 52/56] MIPS: BCM63XX: fixup mapped SPI flash access on boot
Some bootloaders leave the flash access in an invalid state with dual
read enabled; fix it by disabling it and falling back to simple fast
reads.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/dev-flash.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -110,9 +110,46 @@ static int __init bcm63xx_detect_flash_t
}
}
+#define HSSPI_FLASH_CTRL_REG 0x14
+#define FLASH_CTRL_READ_OPCODE_MASK 0xff
+#define FLASH_CTRL_ADDR_BYTES_MASK (0x3 << 8)
+#define FLASH_CTRL_ADDR_BYTES_2 (0 << 8)
+#define FLASH_CTRL_ADDR_BYTES_3 (1 << 8)
+#define FLASH_CTRL_ADDR_BYTES_4 (2 << 8)
+#define FLASH_CTRL_MB_EN (1 << 23)
+
void __init bcm63xx_flash_detect(void)
{
flash_type = bcm63xx_detect_flash_type();
+
+ /* reduce flash mapping to single i/o reads for safety */
+ if (flash_type == BCM63XX_FLASH_TYPE_SERIAL &&
+ (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() ||
+ BCMCPU_IS_63268())) {
+ u32 val = bcm_rset_readl(RSET_HSSPI, HSSPI_FLASH_CTRL_REG);
+
+ if (!(val & FLASH_CTRL_MB_EN))
+ return;
+
+ val &= ~FLASH_CTRL_MB_EN;
+ val &= ~FLASH_CTRL_READ_OPCODE_MASK;
+
+ switch (val & FLASH_CTRL_ADDR_BYTES_MASK) {
+ case FLASH_CTRL_ADDR_BYTES_3:
+ val |= 0x0b; /* OPCODE_FAST_READ */
+ break;
+ case FLASH_CTRL_ADDR_BYTES_4:
+ val |= 0x0c; /* OPCODE_FAST_READ_4B */
+ break;
+ case FLASH_CTRL_ADDR_BYTES_2:
+ default:
+ pr_warn("unsupported address byte mode (%x), not fixing up\n",
+ val & FLASH_CTRL_ADDR_BYTES_MASK);
+ return;
+ }
+
+ bcm_rset_writel(RSET_HSSPI, val, HSSPI_FLASH_CTRL_REG);
+ }
}
int __init bcm63xx_flash_register(void)

2
target/linux/brcm63xx/patches-3.10/400-bcm963xx_flashmap.patch
View File

@ -12,7 +12,7 @@ Signed-off-by: Axel Gembe <ago@bastart.eu.org>
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -30,7 +30,7 @@ static struct mtd_partition mtd_partitio
@@ -32,7 +32,7 @@ static struct mtd_partition mtd_partitio
}
};

12
target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
View File

@ -24,7 +24,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
#include <bcm63xx_regs.h>
#include <bcm63xx_io.h>
@@ -55,6 +58,21 @@ static struct platform_device mtd_dev =
@@ -57,6 +60,21 @@ static struct platform_device mtd_dev =
},
};
@ -46,7 +46,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
static int __init bcm63xx_detect_flash_type(void)
{
u32 val;
@@ -62,9 +80,15 @@ static int __init bcm63xx_detect_flash_t
@@ -64,9 +82,15 @@ static int __init bcm63xx_detect_flash_t
switch (bcm63xx_get_cpu_id()) {
case BCM6318_CPU_ID:
/* only support serial flash */
@ -62,7 +62,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
return BCM63XX_FLASH_TYPE_SERIAL;
else
@@ -83,12 +107,20 @@ static int __init bcm63xx_detect_flash_t
@@ -85,12 +109,20 @@ static int __init bcm63xx_detect_flash_t
return BCM63XX_FLASH_TYPE_SERIAL;
case BCM6362_CPU_ID:
val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
@ -83,7 +83,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {
case STRAPBUS_6368_BOOT_SEL_NAND:
return BCM63XX_FLASH_TYPE_NAND;
@@ -99,6 +131,11 @@ static int __init bcm63xx_detect_flash_t
@@ -101,6 +133,11 @@ static int __init bcm63xx_detect_flash_t
}
case BCM63268_CPU_ID:
val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
@ -95,7 +95,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
if (val & STRAPBUS_63268_BOOT_SEL_SERIAL)
return BCM63XX_FLASH_TYPE_SERIAL;
else
@@ -126,8 +163,15 @@ int __init bcm63xx_flash_register(void)
@@ -167,8 +204,15 @@ int __init bcm63xx_flash_register(void)
return platform_device_register(&mtd_dev);
case BCM63XX_FLASH_TYPE_SERIAL:
@ -123,7 +123,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
#define STRAPBUS_6368_BOOT_SEL_MASK 0x3
#define STRAPBUS_6368_BOOT_SEL_NAND 0
#define STRAPBUS_6368_BOOT_SEL_SERIAL 1
@@ -1667,6 +1668,7 @@
@@ -1668,6 +1669,7 @@
#define STRAPBUS_63268_FCVO_MASK (0xf << STRAPBUS_63268_FCVO_SHIFT)
#define MISC_STRAPBUS_6328_REG 0x240

31
target/linux/brcm63xx/patches-3.10/415-MIPS-BCM63XX-export-the-attached-flash-type.patch Normal file
View File

@ -0,0 +1,31 @@
From 066f1e37742ee434496d32a41a9284458de96742 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Mon, 13 Jan 2014 12:12:30 +0100
Subject: [PATCH] MIPS: BCM63XX: export the attached flash type
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/dev-flash.c | 5 +++++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h | 2 ++
2 files changed, 7 insertions(+)
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -222,3 +222,8 @@ int __init bcm63xx_flash_register(void)
return -ENODEV;
}
}
+
+int bcm63xx_flash_get_type(void)
+{
+ return flash_type;
+}
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
@@ -11,4 +11,6 @@ void bcm63xx_flash_detect(void);
int __init bcm63xx_flash_register(void);
+int bcm63xx_flash_get_type(void);
+
#endif /* __BCM63XX_FLASH_H */

144
target/linux/brcm63xx/patches-3.10/415-MIPS-BCM63XX-store-the-flash-type-in-global-variable.patch
View File

@ -1,144 +0,0 @@
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",
@@ -81,7 +83,8 @@ static int __init bcm63xx_detect_flash_t
case BCM6318_CPU_ID:
/* only support serial flash */
bcm63xx_spi_flash_info[0].max_speed_hz = 62500000;
- return BCM63XX_FLASH_TYPE_SERIAL;
+ bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
+ break;
case BCM6328_CPU_ID:
val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
if (val & STRAPBUS_6328_HSSPI_CLK_FAST)
@@ -90,21 +93,24 @@ 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 BCM3368_CPU_ID:
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 BCM6362_CPU_ID:
val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
if (val & STRAPBUS_6362_HSSPI_CLK_FAST)
@@ -113,9 +119,10 @@ static int __init bcm63xx_detect_flash_t
bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
if (val & STRAPBUS_6362_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 BCM6368_CPU_ID:
val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
if (val & STRAPBUS_6368_SPI_CLK_FAST)
@@ -123,11 +130,16 @@ 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;
}
case BCM63268_CPU_ID:
val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
@@ -137,22 +149,24 @@ static int __init bcm63xx_detect_flash_t
bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
if (val & STRAPBUS_63268_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;
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));
@@ -177,7 +191,7 @@ 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 */

2
target/linux/brcm63xx/patches-3.10/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch
View File

@ -88,7 +88,7 @@ Subject: [PATCH 61/72] BCM63XX: add a fixup for ath9k devices
+ addr &= MPI_CSBASE_BASE_MASK;
+ }
+
+ switch (bcm63xx_attached_flash) {
+ switch (bcm63xx_flash_get_type()) {
+ case BCM63XX_FLASH_TYPE_PARALLEL:
+ memcpy(eeprom, (void *)KSEG1ADDR(addr + offset), ATH9K_PLAT_EEP_MAX_WORDS * sizeof(u16));
+ return eeprom;

17
target/linux/brcm63xx/patches-3.10/418-MIPS-BCM63XX-pass-caldata-info-to-flash.patch
View File

@ -46,8 +46,8 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
};
static struct spi_board_info bcm63xx_spi_flash_info[] = {
@@ -159,10 +163,13 @@ static int __init bcm63xx_detect_flash_t
return 0;
@@ -189,9 +193,13 @@ void __init bcm63xx_flash_detect(void)
}
}
-int __init bcm63xx_flash_register(void)
@ -55,12 +55,12 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
{
u32 val;
+ unsigned int i;
+
+ for (i = 0; i < num_caldata; i++)
+ bcm63xx_parser_data.caldata[i] = caldata[i].caldata_offset;
bcm63xx_detect_flash_type();
switch (flash_type) {
case BCM63XX_FLASH_TYPE_PARALLEL:
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
@@ -1,6 +1,8 @@
@ -72,11 +72,12 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
enum {
BCM63XX_FLASH_TYPE_PARALLEL,
BCM63XX_FLASH_TYPE_SERIAL,
@@ -9,6 +11,6 @@ enum {
@@ -9,7 +11,7 @@ enum {
extern int bcm63xx_attached_flash;
void bcm63xx_flash_detect(void);
-int __init bcm63xx_flash_register(void);
+int __init bcm63xx_flash_register(int num_caldata, struct ath9k_caldata *caldata);
#endif /* __BCM63XX_FLASH_H */
int bcm63xx_flash_get_type(void);

11
target/linux/brcm63xx/patches-3.10/422-BCM63XX-add-a-fixup-for-rt2x00-devices.patch
View File

@ -61,8 +61,8 @@ Subject: [PATCH 72/72] 446-BCM63XX-add-a-fixup-for-rt2x00-devices
}
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -163,7 +163,7 @@ static int __init bcm63xx_detect_flash_t
return 0;
@@ -193,7 +193,7 @@ void __init bcm63xx_flash_detect(void)
}
}
-int __init bcm63xx_flash_register(int num_caldata, struct ath9k_caldata *caldata)
@ -147,14 +147,15 @@ Subject: [PATCH 72/72] 446-BCM63XX-add-a-fixup-for-rt2x00-devices
+
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
@@ -11,6 +11,6 @@ enum {
@@ -11,7 +11,7 @@ enum {
extern int bcm63xx_attached_flash;
void bcm63xx_flash_detect(void);
-int __init bcm63xx_flash_register(int num_caldata, struct ath9k_caldata *caldata);
+int __init bcm63xx_flash_register(int num_caldata, struct bcm63xx_caldata *caldata);
#endif /* __BCM63XX_FLASH_H */
int bcm63xx_flash_get_type(void);
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -9,6 +9,7 @@

2
target/linux/brcm63xx/patches-3.10/511-board_V2500V.patch
View File

@ -107,7 +107,7 @@
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_flash.h>
#include <bcm63xx_dev_hsspi.h>
@@ -179,6 +180,13 @@ int __init bcm63xx_flash_register(int nu
@@ -207,6 +208,13 @@ int __init bcm63xx_flash_register(int nu
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;