[meta-ti] [PATCH 5/6] linux-am335x-psp: Add Beaglebone Black support
Franklin S. Cooper Jr
fcooper at ti.com
Thu Jun 27 08:57:34 PDT 2013
Signed-off-by: Franklin S. Cooper Jr <fcooper at ti.com>
---
...-Add-minimal-support-for-Beaglebone-Black.patch | 110 ++++++++++++++++++++
recipes-kernel/linux/linux-am335x-psp_3.2.bb | 5 +-
2 files changed, 114 insertions(+), 1 deletions(-)
create mode 100644 recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch
diff --git a/recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch b/recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch
new file mode 100644
index 0000000..ec83d19
--- /dev/null
+++ b/recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch
@@ -0,0 +1,110 @@
+From cda956db2b54400c44cc8eb952276ecb058f57d8 Mon Sep 17 00:00:00 2001
+From: Steve Kipisz <s-kipisz2 at ti.com>
+Date: Mon, 3 Jun 2013 04:35:51 -0500
+Subject: [PATCH] am335x:Add minimal support for Beaglebone Black
+
+- Detect Beaglebone Black and do the appropriate pin mux
+- Add pin mux for eMMC
+
+Signed-off-by: Steve Kipisz <s-kipisz2 at ti.com>
+---
+ arch/arm/mach-omap2/board-am335xevm.c | 49 ++++++++++++++++++++
+ arch/arm/mach-omap2/include/mach/board-am335xevm.h | 1 +
+ 2 files changed, 50 insertions(+)
+
+diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
+index 1523f33..c4a5c05 100644
+--- a/arch/arm/mach-omap2/board-am335xevm.c
++++ b/arch/arm/mach-omap2/board-am335xevm.c
+@@ -1654,6 +1654,21 @@ static void mmc1_wl12xx_init(int evm_id, int profile)
+ am335x_mmc[1].ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34; /* 3V3 */
+ }
+
++static void mmc1_emmc_init(int evm_id, int profile)
++{
++ setup_pin_mux(mmc1_common_pin_mux);
++ setup_pin_mux(mmc1_dat4_7_pin_mux);
++
++ am335x_mmc[1].mmc = 2;
++ am335x_mmc[1].caps = MMC_CAP_8_BIT_DATA;
++ am335x_mmc[1].gpio_cd = -EINVAL;
++ am335x_mmc[1].gpio_wp = -EINVAL;
++ am335x_mmc[1].ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34; /* 3V3 */
++
++ /* mmc will be initialized when mmc0_init is called */
++ return;
++}
++
+ static void mmc2_wl12xx_init(int evm_id, int profile)
+ {
+ setup_pin_mux(mmc2_wl12xx_pin_mux);
+@@ -2177,6 +2192,21 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
+ {NULL, 0, 0},
+ };
+
++/* Beaglebone Black */
++static struct evm_dev_cfg beagleboneblack_dev_cfg[] = {
++ {am335x_rtc_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {clkout2_enable, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {tps65217_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {mii1_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {usb0_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {usb1_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {mmc1_emmc_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {mmc0_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {i2c2_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {sgx_init, DEV_ON_BASEBOARD, PROFILE_NONE},
++ {NULL, 0, 0},
++};
++
+ /* EVM - Starter Kit */
+ static struct evm_dev_cfg evm_sk_dev_cfg[] = {
+ {am335x_rtc_init, DEV_ON_BASEBOARD, PROFILE_ALL},
+@@ -2280,6 +2310,23 @@ static void setup_beaglebone(void)
+ am33xx_cpsw_init(AM33XX_CPSW_MODE_MII, NULL, NULL);
+ }
+
++/* BeagleBone Black */
++static void setup_beagleboneblack(void)
++{
++ pr_info("The board is a AM335x Beaglebone Black.\n");
++
++ /* Beagle Bone has Micro-SD slot which doesn't have Write Protect pin */
++ am335x_mmc[0].gpio_wp = -EINVAL;
++
++ _configure_device(BEAGLE_BONE_BLACK, beagleboneblack_dev_cfg,
++ PROFILE_NONE);
++
++ /* TPS65217 regulator has full constraints */
++ regulator_has_full_constraints();
++
++ am33xx_cpsw_init(AM33XX_CPSW_MODE_MII, NULL, NULL);
++}
++
+ /* EVM - Starter Kit */
+ static void setup_starterkit(void)
+ {
+@@ -2372,6 +2419,8 @@ static void am335x_evm_setup(struct memory_accessor *mem_acc, void *context)
+ setup_beaglebone_old();
+ else
+ setup_beaglebone();
++ } else if (!strncmp("A335BNLT", config.name, 8)) {
++ setup_beagleboneblack();
+ } else if (!strncmp("A335X_SK", config.name, 8)) {
+ daughter_brd_detected = false;
+ setup_starterkit();
+diff --git a/arch/arm/mach-omap2/include/mach/board-am335xevm.h b/arch/arm/mach-omap2/include/mach/board-am335xevm.h
+index e77d52c..915139a 100644
+--- a/arch/arm/mach-omap2/include/mach/board-am335xevm.h
++++ b/arch/arm/mach-omap2/include/mach/board-am335xevm.h
+@@ -26,6 +26,7 @@
+ #define BEAGLE_BONE_A3 3
+ #define EVM_SK 4
+ #define GEN_PURP_DDR3_EVM 5
++#define BEAGLE_BONE_BLACK 6
+
+ /* REVIST : check posibility of PROFILE_(x) syntax usage */
+ #define PROFILE_NONE -1 /* Few EVM doesn't have profiles */
+--
+1.7.9.5
+
diff --git a/recipes-kernel/linux/linux-am335x-psp_3.2.bb b/recipes-kernel/linux/linux-am335x-psp_3.2.bb
index 958bba5..257c6de 100644
--- a/recipes-kernel/linux/linux-am335x-psp_3.2.bb
+++ b/recipes-kernel/linux/linux-am335x-psp_3.2.bb
@@ -15,7 +15,7 @@ DEPENDS += "am33x-cm3"
KERNEL_IMAGETYPE = "uImage"
# The main PR is now using MACHINE_KERNEL_PR, for ti33x see conf/machine/include/ti33x.inc
-MACHINE_KERNEL_PR_append = "f+gitr${SRCPV}"
+MACHINE_KERNEL_PR_append = "g+gitr${SRCPV}"
BRANCH = "v3.2-staging"
@@ -87,6 +87,9 @@ PATCHES += "file://0001-am335x-enable-pullup-on-the-WLAN-enable-pin-fo.patch"
# Update SPI flash layout. Increase space allocated for u-boot
PATCHES += "file://0001-ARM-OMAP2-AM335x-Update-SPI-flash-layout.patch"
+# Add support for Beaglebone Black
+PATCHES += "file://0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch"
+
# Copy the am33x-cm3 firmware if it is available
do_configure_append() {
if [ -e "${STAGING_DIR_HOST}/${base_libdir}/firmware/am335x-pm-firmware.bin" ]
--
1.7.0.4
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