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Add patches for initial support for the Beagle Bone Black

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This commit is contained in:
Peter Robinson 2013-05-13 15:31:40 -04:00
parent 1b14295881
commit 4e669294f7
15 changed files with 623 additions and 1 deletions
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27
0001-beaglebone-default-to-beaglebone-black-for-unknown-E.patch Normal file
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From d4b58fe48083ee98dd86af5b0ec9e831433c98e3 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 08:22:53 +0200
Subject: [PATCH 01/14] beaglebone: default to beaglebone black for unknown
EEPROMs
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index ef00306..2ac89af 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -59,7 +59,7 @@
"rdaddr=0x81000000\0" \
"bootdir=/boot\0" \
"bootfile=uImage\0" \
- "fdtfile=\0" \
+ "fdtfile=am335x-boneblack.dtb\0" \
"console=ttyO0,115200n8\0" \
"optargs=\0" \
"mtdids=" MTDIDS_DEFAULT "\0" \
--
1.8.1.4

32
0002-am335x-mux-don-t-hang-on-unknown-EEPROMs-assume-Beag.patch Normal file
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@ -0,0 +1,32 @@
From fbce545279c4f1e882431fa7d08130e1bc25cd93 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 08:32:19 +0200
Subject: [PATCH 02/14] am335x mux: don't hang on unknown EEPROMs, assume
BeagleBone Black
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
board/ti/am335x/mux.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c
index 0283708..ab42011 100644
--- a/board/ti/am335x/mux.c
+++ b/board/ti/am335x/mux.c
@@ -305,7 +305,11 @@ void enable_board_pin_mux(struct am335x_baseboard_id *header)
configure_module_pin_mux(mmc0_pin_mux);
configure_module_pin_mux(mmc1_pin_mux);
} else {
- puts("Unknown board, cannot configure pinmux.");
- hang();
+ puts("Unknown board, assuming Beaglebone LT/Black.");
+ /* Beaglebone LT pinmux */
+ configure_module_pin_mux(i2c1_pin_mux);
+ configure_module_pin_mux(mii1_pin_mux);
+ configure_module_pin_mux(mmc0_pin_mux);
+ configure_module_pin_mux(mmc1_pin_mux);
}
}
--
1.8.1.4

38
0003-beaglebone-HACK-always-return-1-for-is_bone_lt.patch Normal file
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@ -0,0 +1,38 @@
From d73f1f024a8f179e38ce15dc66938ee40325e5b3 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 08:33:28 +0200
Subject: [PATCH 03/14] beaglebone: HACK: always return 1 for is_bone_lt
This is to make the eMMC flasher work, the EEPROM hasn't been populated yet
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
board/ti/am335x/board.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index b371376..c92e1e9 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -60,7 +60,8 @@ static inline int board_is_bone(void)
static inline int board_is_bone_lt(void)
{
- return !strncmp(header.name, "A335BNLT", HDR_NAME_LEN);
+ //return !strncmp(header.name, "A335BNLT", HDR_NAME_LEN);
+ return 1;
}
static inline int board_is_evm_sk(void)
@@ -378,7 +379,7 @@ void s_init(void)
if (board_is_evm_sk())
config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data,
&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
- else if (board_is_bone_lt())
+ else if (board_is_bone_lt() && !board_is_bone())
config_ddr(400, MT41K256M16HA125E_IOCTRL_VALUE,
&ddr3_beagleblack_data,
&ddr3_beagleblack_cmd_ctrl_data,
--
1.8.1.4

25
0004-beaglebone-HACK-raise-USB-current-limit.patch Normal file
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@ -0,0 +1,25 @@
From 713fb639c8d4920ae7581908de8da9fbbe83f3ae Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 08:27:09 +0200
Subject: [PATCH 04/14] beaglebone: HACK: raise USB current limit
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 2ac89af..8de4cc9 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -149,6 +149,7 @@
#endif
#define CONFIG_BOOTCOMMAND \
+ "i2c mw 0x24 1 0x3e; " \
"run findfdt; " \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
--
1.8.1.4

40
0005-beaglebone-use-kloadaddr-to-avoid-copying-the-kernel.patch Normal file
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@ -0,0 +1,40 @@
From a8861624e48f2ecf0f39da3827211c485ed2f0cb Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 08:25:04 +0200
Subject: [PATCH 05/14] beaglebone: use kloadaddr to avoid copying the kernel
around
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 8de4cc9..14b0a08 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -54,6 +54,7 @@
#ifndef CONFIG_SPL_BUILD
#define CONFIG_EXTRA_ENV_SETTINGS \
"loadaddr=0x80200000\0" \
+ "kloadaddr=0x80007fc0\0" \
"fdtaddr=0x80F80000\0" \
"fdt_high=0xffffffff\0" \
"rdaddr=0x81000000\0" \
@@ -112,11 +113,11 @@
"root=${ramroot} " \
"rootfstype=${ramrootfstype}\0" \
"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
- "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
+ "loaduimage=load mmc ${bootpart} ${kloadaddr} ${bootdir}/${bootfile}\0" \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
- "bootm ${loadaddr} - ${fdtaddr}\0" \
+ "bootm ${kloadaddr} - ${fdtaddr}\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
--
1.8.1.4

44
0006-beaglebone-try-to-load-uEnv-uImage-from-eMMC-first.patch Normal file
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@ -0,0 +1,44 @@
From 987104bc6bf3c2ddbf023b524c486ffdf583f001 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 08:44:03 +0200
Subject: [PATCH 06/14] beaglebone: try to load uEnv/uImage from eMMC first
If u-boot detects the eMMC, try to load from there, if that fails fall back to uSD. Due to linux "features" rootdev can remain mmcblk0p1.
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 14b0a08..a21fe8e 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -152,6 +152,24 @@
#define CONFIG_BOOTCOMMAND \
"i2c mw 0x24 1 0x3e; " \
"run findfdt; " \
+ "mmc dev 1; if mmc rescan; then " \
+ "echo SD/MMC found on device ${mmcdev};" \
+ "setenv mmcdev 1;"\
+ "if run loadbootenv; then " \
+ "echo Loaded environment from ${bootenv};" \
+ "run importbootenv;" \
+ "fi;" \
+ "if test -n $uenvcmd; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "if run loaduimage; then " \
+ "run loadfdt;" \
+ "run mmcboot;" \
+ "fi;" \
+ "else " \
+ "echo No SD/MMC found on device ${mmcdev};" \
+ "fi;" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
"if run loadbootenv; then " \
--
1.8.1.4

53
0007-beaglebone-Don-t-trigger-uboot-variable-lenght-limit.patch Normal file
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@ -0,0 +1,53 @@
From 2bb3b2b5b50dc70af4ef6686642350cbd5ec870a Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 11:39:16 +0200
Subject: [PATCH 07/14] beaglebone: Don't trigger uboot variable lenght limit
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 20 +++-----------------
1 file changed, 3 insertions(+), 17 deletions(-)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index a21fe8e..9051249 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -152,23 +152,11 @@
#define CONFIG_BOOTCOMMAND \
"i2c mw 0x24 1 0x3e; " \
"run findfdt; " \
- "mmc dev 1; if mmc rescan; then " \
- "echo SD/MMC found on device ${mmcdev};" \
+ "if mmc dev 1; then " \
+ "echo eMMC found;" \
"setenv mmcdev 1;"\
- "if run loadbootenv; then " \
- "echo Loaded environment from ${bootenv};" \
- "run importbootenv;" \
- "fi;" \
- "if test -n $uenvcmd; then " \
- "echo Running uenvcmd ...;" \
- "run uenvcmd;" \
- "fi;" \
- "if run loaduimage; then " \
- "run loadfdt;" \
- "run mmcboot;" \
- "fi;" \
"else " \
- "echo No SD/MMC found on device ${mmcdev};" \
+ "echo No eMMC found;" \
"fi;" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
@@ -184,8 +172,6 @@
"run loadfdt;" \
"run mmcboot;" \
"fi;" \
- "else " \
- "run nandboot;" \
"fi;" \
/* Clock Defines */
--
1.8.1.4

35
0008-beaglebone-HACK-change-mmc-order-to-avoid-u-boot-cra.patch Normal file
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@ -0,0 +1,35 @@
From 8ef64f73b14e5e5657b740ecae8cf62db1511138 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 11:47:14 +0200
Subject: [PATCH 08/14] beaglebone: HACK: change mmc order to avoid u-boot
crashing
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 9051249..8dc3a8a 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -152,11 +152,12 @@
#define CONFIG_BOOTCOMMAND \
"i2c mw 0x24 1 0x3e; " \
"run findfdt; " \
- "if mmc dev 1; then " \
- "echo eMMC found;" \
- "setenv mmcdev 1;"\
+ "mmc dev 0; if mmc rescan ; then " \
+ "echo micro SD card found;" \
+ "setenv mmcdev 0;"\
"else " \
- "echo No eMMC found;" \
+ "echo No micro SD card found, setting mmcdev to 1;" \
+ "setenv mmcdev 1;"\
"fi;" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
--
1.8.1.4

25
0009-beaglebone-update-bootpart-variable-after-mmc-scan.patch Normal file
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@ -0,0 +1,25 @@
From 59af9f65dd21d9a4e0c78478c5c0bd83e7d2da7e Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 3 Apr 2013 12:04:17 +0200
Subject: [PATCH 09/14] beaglebone: update bootpart variable after mmc scan
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
include/configs/am335x_evm.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 8dc3a8a..489f882 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -159,6 +159,7 @@
"echo No micro SD card found, setting mmcdev to 1;" \
"setenv mmcdev 1;"\
"fi;" \
+ "setenv bootpart ${mmcdev}:2;" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
"if run loadbootenv; then " \
--
1.8.1.4

25
0010-am335x_evm-enable-gpio-command.patch Normal file
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@ -0,0 +1,25 @@
From 88c09ce2919919d1943a85e9f9475d17b347702e Mon Sep 17 00:00:00 2001
From: Jason Kridner <jdk@ti.com>
Date: Thu, 4 Apr 2013 05:57:00 +0000
Subject: [PATCH 10/14] am335x_evm: enable gpio command
---
include/configs/am335x_evm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 489f882..f2838ac 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -43,7 +43,7 @@
/* commands to include */
#include <config_cmd_default.h>
-
+#define CONFIG_CMD_GPIO
#define CONFIG_CMD_ASKENV
#define CONFIG_VERSION_VARIABLE
--
1.8.1.4

43
0011-am335x_evm-HACK-to-turn-on-BeagleBone-LEDs.patch Normal file
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@ -0,0 +1,43 @@
From bcfde7885d6adbf067db5dd54cd4d9cea7426870 Mon Sep 17 00:00:00 2001
From: Jason Kridner <jdk@ti.com>
Date: Thu, 4 Apr 2013 07:16:41 +0000
Subject: [PATCH 11/14] am335x_evm: HACK to turn on BeagleBone LEDs
* This might break non-BeagleBone platforms
---
include/configs/am335x_evm.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index f2838ac..9e39d00 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -150,6 +150,7 @@
#endif
#define CONFIG_BOOTCOMMAND \
+ "gpio set 53; " \
"i2c mw 0x24 1 0x3e; " \
"run findfdt; " \
"mmc dev 0; if mmc rescan ; then " \
@@ -161,6 +162,7 @@
"fi;" \
"setenv bootpart ${mmcdev}:2;" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
+ "gpio set 54; " \
"echo SD/MMC found on device ${mmcdev};" \
"if run loadbootenv; then " \
"echo Loaded environment from ${bootenv};" \
@@ -170,7 +172,9 @@
"echo Running uenvcmd ...;" \
"run uenvcmd;" \
"fi;" \
+ "gpio set 55; " \
"if run loaduimage; then " \
+ "gpio set 56; " \
"run loadfdt;" \
"run mmcboot;" \
"fi;" \
--
1.8.1.4

44
0012-Fix-for-screen-rolling-when-video-played-back-in-bro.patch Normal file
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@ -0,0 +1,44 @@
From 1e04086fc3b0d00222904472af56a14fba9bcd28 Mon Sep 17 00:00:00 2001
From: Darren Etheridge <detheridge@ti.com>
Date: Tue, 9 Apr 2013 16:49:38 -0500
Subject: [PATCH 12/14] Fix for screen rolling when video played back in
browser on BeagleBone Black This value might need some tweaking, but it
effectively allows the LCDC and the ARM to play fairer in memory, so the LCDC
does not get starved causing the screen to roll See Page 439 in spruh73g
(AM33xx TRM) for details
---
arch/arm/cpu/armv7/am33xx/ddr.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c
index d1e2fd3..3a93db1 100644
--- a/arch/arm/cpu/armv7/am33xx/ddr.c
+++ b/arch/arm/cpu/armv7/am33xx/ddr.c
@@ -21,6 +21,12 @@ http://www.ti.com/
#include <asm/io.h>
#include <asm/emif.h>
+/* This value might need some tweaking, but it effectively allows the LCDC */
+/* and the ARM to play fairer in memory, so the LCDC does not get starved causing */
+/* the screen to roll */
+/* See Page 439 in spruh73g (AM33xx TRM) for details */
+#define AM33XX_INT_CONFIG_COUNT 0x00303030
+
/**
* Base address for EMIF instances
*/
@@ -79,6 +85,10 @@ void set_sdram_timings(const struct emif_regs *regs, int nr)
writel(regs->sdram_tim2, &emif_reg[nr]->emif_sdram_tim_2_shdw);
writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3);
writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3_shdw);
+
+ /* Configure INT_CONFIG value so that LCDC does not get stalled */
+ /* for a long time if ARM is accessing memory */
+ writel(AM33XX_INT_CONFIG_COUNT, &emif_reg[nr]->emif_l3_config);
}
/**
--
1.8.1.4

25
0013-beaglebone-enable-CONFIG_SUPPORT_RAW_INITRD-option.patch Normal file
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@ -0,0 +1,25 @@
From 1886ba872060e54cb4b5732ffa24fcc3eb6172e8 Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Thu, 25 Apr 2013 13:50:35 -0500
Subject: [PATCH 13/14] beaglebone: enable CONFIG_SUPPORT_RAW_INITRD option
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
include/configs/am335x_evm.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 9e39d00..04eaa8b 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -35,6 +35,7 @@
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
+#define CONFIG_SUPPORT_RAW_INITRD
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
--
1.8.1.4

130
0014-mmc-Add-RSTN-enable-for-emmc.patch Normal file
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@ -0,0 +1,130 @@
From 6d70e6f0a9fbb9dc6ec2429292619f7cbc4d6a5b Mon Sep 17 00:00:00 2001
From: Pantelis Antoniou <panto@antoniou-consulting.com>
Date: Fri, 10 May 2013 17:48:20 +0300
Subject: [PATCH 14/14] mmc: Add RSTN enable for emmc
eMMC has the capability of using an external RSTn line.
It has to be enabled via an access to the ECSD so add a command to do so.
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
---
common/cmd_mmc.c | 26 +++++++++++++++++++++++++-
drivers/mmc/mmc.c | 32 ++++++++++++++++++++++++++++++++
include/mmc.h | 4 ++++
3 files changed, 61 insertions(+), 1 deletion(-)
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 7d82469..dcfbf19 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -208,6 +208,29 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return CMD_RET_USAGE;
print_mmc_devices('\n');
return 0;
+ } else if (strncmp(argv[1], "rstn", 4) == 0) {
+ struct mmc *mmc;
+ u8 val;
+ int err;
+
+ if (argc != 3)
+ return CMD_RET_USAGE;
+
+ val = simple_strtol(argv[2], NULL, 10);
+
+ mmc = find_mmc_device(curr_device);
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", curr_device);
+ return 1;
+ }
+ err = mmc_set_rst_n(mmc, val);
+ if (err != 0) {
+ printf("failed to set RST_N to 0x%02x\n",
+ (unsigned int)val & 0xff);
+ return 1;
+ }
+
+ return 0;
} else if (strcmp(argv[1], "dev") == 0) {
int dev, part = -1;
struct mmc *mmc;
@@ -334,5 +357,6 @@ U_BOOT_CMD(
"mmc rescan\n"
"mmc part - lists available partition on current mmc device\n"
"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
- "mmc list - lists available devices");
+ "mmc list - lists available devices\n"
+ "mmc rstn - enable hardware reset of emmc");
#endif
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index f65a7b0..4fffc87 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1360,6 +1360,38 @@ int get_mmc_num(void)
return cur_dev_num;
}
+/* enable hardware reset signal */
+int mmc_set_rst_n(struct mmc *mmc, u8 val)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, 512);
+ int err;
+
+ memset(ext_csd, 0, 512);
+ err = mmc_send_ext_csd(mmc, ext_csd);
+ if (err)
+ return err;
+
+ printf("before: RST_N=0x%02x\n",
+ (unsigned int)ext_csd[EXT_CSD_RST_N_FUNCTION] & 0xff);
+
+ printf("setting rstn to 0x%02x\n", (unsigned int)val & 0xff);
+
+ err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_RST_N_FUNCTION, val);
+ if (err)
+ return err;
+
+ memset(ext_csd, 0, 512);
+ err = mmc_send_ext_csd(mmc, ext_csd);
+ if (err)
+ return err;
+
+ printf("after: RST_N=0x%02x\n",
+ (unsigned int)ext_csd[EXT_CSD_RST_N_FUNCTION] & 0xff);
+
+ return 0;
+}
+
int mmc_initialize(bd_t *bis)
{
INIT_LIST_HEAD (&mmc_devices);
diff --git a/include/mmc.h b/include/mmc.h
index f0d4820..a1fc8c0 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -158,6 +158,7 @@
* EXT_CSD fields
*/
#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
+#define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
#define EXT_CSD_PART_CONF 179 /* R/W */
#define EXT_CSD_BUS_WIDTH 183 /* R/W */
@@ -168,6 +169,7 @@
#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
#define EXT_CSD_BOOT_MULT 226 /* RO */
+
/*
* EXT_CSD field definitions
*/
@@ -291,4 +293,6 @@ struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode);
int mmc_legacy_init(int verbose);
#endif
+int mmc_set_rst_n(struct mmc *mmc, u8 val);
+
#endif /* _MMC_H_ */
--
1.8.1.4

38
uboot-tools.spec
View File

@ -2,7 +2,7 @@
Name: uboot-tools
Version: 2013.04
Release: 1%{?candidate:.%{candidate}}%{?dist}
Release: 2%{?candidate:.%{candidate}}%{?dist}
Summary: U-Boot utilities
Group: Development/Tools
@ -12,6 +12,22 @@ Source0: ftp://ftp.denx.de/pub/u-boot/u-boot-%{version}%{?candidate:-%{ca
Patch1: u-boot-fat.patch
Patch2: uboot-omap-fit.patch
# Beagle Bone Black support
Patch10: 0001-beaglebone-default-to-beaglebone-black-for-unknown-E.patch
Patch11: 0002-am335x-mux-don-t-hang-on-unknown-EEPROMs-assume-Beag.patch
Patch12: 0003-beaglebone-HACK-always-return-1-for-is_bone_lt.patch
Patch13: 0004-beaglebone-HACK-raise-USB-current-limit.patch
Patch14: 0005-beaglebone-use-kloadaddr-to-avoid-copying-the-kernel.patch
Patch15: 0006-beaglebone-try-to-load-uEnv-uImage-from-eMMC-first.patch
Patch16: 0007-beaglebone-Don-t-trigger-uboot-variable-lenght-limit.patch
Patch17: 0008-beaglebone-HACK-change-mmc-order-to-avoid-u-boot-cra.patch
Patch18: 0009-beaglebone-update-bootpart-variable-after-mmc-scan.patch
Patch19: 0010-am335x_evm-enable-gpio-command.patch
Patch20: 0011-am335x_evm-HACK-to-turn-on-BeagleBone-LEDs.patch
Patch21: 0012-Fix-for-screen-rolling-when-video-played-back-in-bro.patch
Patch22: 0013-beaglebone-enable-CONFIG_SUPPORT_RAW_INITRD-option.patch
Patch23: 0014-mmc-Add-RSTN-enable-for-emmc.patch
Requires: dtc
@ -80,6 +96,23 @@ u-boot bootloader binaries for Wandboard i.MX6 Solo
%setup -q -n u-boot-%{version}%{?candidate:-%{candidate}}
%patch1 -p1
%patch2 -p1
# Beagle Bone Black support
%patch10 -p1
%patch11 -p1
%patch12 -p1
%patch13 -p1
%patch14 -p1
%patch15 -p1
%patch16 -p1
%patch17 -p1
%patch18 -p1
%patch19 -p1
%patch20 -p1
%patch21 -p1
%patch22 -p1
%patch23 -p1
mkdir builds
%build
@ -220,6 +253,9 @@ rm -rf $RPM_BUILD_ROOT
%endif
%changelog
* Mon May 13 2013 Peter Robinson <pbrobinson@fedoraproject.org> 2013.04-2
- Add patches for initial support for the Beagle Bone Black
* Sun Apr 21 2013 Peter Robinson <pbrobinson@fedoraproject.org> 2013.04-1
- Update to 2013.04 release
- Build i.MX6 Wandboard Dual Lite and Solo Boards