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u-boot: drop patches for RPi4 merged upstream.

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Signed-off-by: Patrick Vacek <patrickvacek@gmail.com>
This commit is contained in:
Patrick Vacek 2019-10-22 14:03:43 +02:00 committed by Andrei Gherzan
parent cee2557dc8
commit 4776ecc532
10 changed files with 0 additions and 511 deletions
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104
recipes-bsp/u-boot/u-boot-2019.07/0001-configs-rpi4-Add-defconfigs-for-rpi4-32-64.patch
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@ -1,104 +0,0 @@
From 5bf85d04b440ce874310e701abded823dc1864bc Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@balena.io>
Date: Wed, 17 Jul 2019 15:32:11 +0100
Subject: [PATCH 1/7] configs: rpi4: Add defconfigs for rpi4 (32/64)
This defines a minimum defconfig for each of the two Raspberry Pi 4
variants. One notable difference is that we don't have a embedded dt for
this board given that the fw supplies us with one which we can reuse.
Furthermore, the ram size is not queryable through mbox interface as the
maximum reported size is 1G. The fw patches the dt with the right
memory configuration and uboot uses it as it is. We avoid u-boot
touching this configuration by making sure CONFIG_ARCH_FIXUP_FDT_MEMORY
is deactivated.
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
configs/rpi_4_32b_defconfig | 33 +++++++++++++++++++++++++++++++++
configs/rpi_4_defconfig | 33 +++++++++++++++++++++++++++++++++
2 files changed, 66 insertions(+)
create mode 100644 configs/rpi_4_32b_defconfig
create mode 100644 configs/rpi_4_defconfig
diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig
new file mode 100644
index 0000000000..a31a617a5f
--- /dev/null
+++ b/configs/rpi_4_32b_defconfig
@@ -0,0 +1,33 @@
+CONFIG_ARM=y
+CONFIG_ARCH_BCM283X=y
+CONFIG_SYS_TEXT_BASE=0x00008000
+CONFIG_TARGET_RPI_4_32B=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_NR_DRAM_BANKS=1
+# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_OF_BOARD=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_MISC_INIT_R=y
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_SYS_PROMPT="U-Boot> "
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_ENV_FAT_INTERFACE="mmc"
+CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_DM_KEYBOARD=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_BCM2835=y
+CONFIG_PINCTRL=y
+# CONFIG_PINCTRL_GENERIC is not set
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_CONSOLE_SCROLL_LINES=10
+CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
new file mode 100644
index 0000000000..da8c960a2a
--- /dev/null
+++ b/configs/rpi_4_defconfig
@@ -0,0 +1,33 @@
+CONFIG_ARM=y
+CONFIG_ARCH_BCM283X=y
+CONFIG_SYS_TEXT_BASE=0x00080000
+CONFIG_TARGET_RPI_4=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_NR_DRAM_BANKS=1
+# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_OF_BOARD=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_MISC_INIT_R=y
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_SYS_PROMPT="U-Boot> "
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_ENV_FAT_INTERFACE="mmc"
+CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_DM_KEYBOARD=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_BCM2835=y
+CONFIG_PINCTRL=y
+# CONFIG_PINCTRL_GENERIC is not set
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_CONSOLE_SCROLL_LINES=10
+CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT_OVERLAY=y
--
2.22.0

105
recipes-bsp/u-boot/u-boot-2019.07/0002-ARM-bcm283x-Add-BCM283x_BASE-define.patch
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@ -1,105 +0,0 @@
From df2aa4c6be33b468adc09de337a055556d1f37fb Mon Sep 17 00:00:00 2001
From: Matthias Brugger <mbrugger@suse.com>
Date: Fri, 12 Jul 2019 18:20:53 +0200
Subject: [PATCH 2/7] ARM: bcm283x: Add BCM283x_BASE define
Devices of bcm283x have different base address, depending if they are on
bcm2835 or bcm2836/7. Use BCM283x_BASE depending on the SoC you want to
build and only add the offset in the header files.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
arch/arm/mach-bcm283x/Kconfig | 5 +++++
arch/arm/mach-bcm283x/include/mach/mbox.h | 6 +-----
arch/arm/mach-bcm283x/include/mach/sdhci.h | 6 +-----
arch/arm/mach-bcm283x/include/mach/timer.h | 6 +-----
arch/arm/mach-bcm283x/include/mach/wdog.h | 6 +-----
5 files changed, 9 insertions(+), 20 deletions(-)
diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig
index 3eb5a9a897..8e69914a83 100644
--- a/arch/arm/mach-bcm283x/Kconfig
+++ b/arch/arm/mach-bcm283x/Kconfig
@@ -141,4 +141,9 @@ config SYS_SOC
config SYS_CONFIG_NAME
default "rpi"
+config BCM283x_BASE
+ hex
+ default "0x20000000" if BCM2835
+ default "0x3f000000" if BCM2836 || BCM2837
+
endmenu
diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h b/arch/arm/mach-bcm283x/include/mach/mbox.h
index e3a893e49c..e44c7577da 100644
--- a/arch/arm/mach-bcm283x/include/mach/mbox.h
+++ b/arch/arm/mach-bcm283x/include/mach/mbox.h
@@ -37,11 +37,7 @@
/* Raw mailbox HW */
-#ifndef CONFIG_BCM2835
-#define BCM2835_MBOX_PHYSADDR 0x3f00b880
-#else
-#define BCM2835_MBOX_PHYSADDR 0x2000b880
-#endif
+#define BCM2835_MBOX_PHYSADDR (CONFIG_BCM283x_BASE + 0x0000b880)
struct bcm2835_mbox_regs {
u32 read;
diff --git a/arch/arm/mach-bcm283x/include/mach/sdhci.h b/arch/arm/mach-bcm283x/include/mach/sdhci.h
index 5cb6ec3340..b443c379d8 100644
--- a/arch/arm/mach-bcm283x/include/mach/sdhci.h
+++ b/arch/arm/mach-bcm283x/include/mach/sdhci.h
@@ -6,11 +6,7 @@
#ifndef _BCM2835_SDHCI_H_
#define _BCM2835_SDHCI_H_
-#ifndef CONFIG_BCM2835
-#define BCM2835_SDHCI_BASE 0x3f300000
-#else
-#define BCM2835_SDHCI_BASE 0x20300000
-#endif
+#define BCM2835_SDHCI_BASE (CONFIG_BCM283x_BASE + 0x00300000)
int bcm2835_sdhci_init(u32 regbase, u32 emmc_freq);
diff --git a/arch/arm/mach-bcm283x/include/mach/timer.h b/arch/arm/mach-bcm283x/include/mach/timer.h
index 56b0c356bb..014355e759 100644
--- a/arch/arm/mach-bcm283x/include/mach/timer.h
+++ b/arch/arm/mach-bcm283x/include/mach/timer.h
@@ -6,11 +6,7 @@
#ifndef _BCM2835_TIMER_H
#define _BCM2835_TIMER_H
-#ifndef CONFIG_BCM2835
-#define BCM2835_TIMER_PHYSADDR 0x3f003000
-#else
-#define BCM2835_TIMER_PHYSADDR 0x20003000
-#endif
+#define BCM2835_TIMER_PHYSADDR (CONFIG_BCM283x_BASE + 0x00003000)
#define BCM2835_TIMER_CS_M3 (1 << 3)
#define BCM2835_TIMER_CS_M2 (1 << 2)
diff --git a/arch/arm/mach-bcm283x/include/mach/wdog.h b/arch/arm/mach-bcm283x/include/mach/wdog.h
index 99c88e5df7..00b5e06c3a 100644
--- a/arch/arm/mach-bcm283x/include/mach/wdog.h
+++ b/arch/arm/mach-bcm283x/include/mach/wdog.h
@@ -6,11 +6,7 @@
#ifndef _BCM2835_WDOG_H
#define _BCM2835_WDOG_H
-#ifndef CONFIG_BCM2835
-#define BCM2835_WDOG_PHYSADDR 0x3f100000
-#else
-#define BCM2835_WDOG_PHYSADDR 0x20100000
-#endif
+#define BCM2835_WDOG_PHYSADDR (CONFIG_BCM283x_BASE + 0x00100000)
struct bcm2835_wdog_regs {
u32 unknown0[7];
--
2.22.0

108
recipes-bsp/u-boot/u-boot-2019.07/0003-arm-mach-bcm283x-Define-configs-for-RaspberryPi-4.patch
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@ -1,108 +0,0 @@
From c03f551cab8fe38de8f0e1781f0e2e339419b003 Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@balena.io>
Date: Wed, 17 Jul 2019 15:33:01 +0100
Subject: [PATCH 3/7] arm: mach-bcm283x: Define configs for RaspberryPi 4
Define two target configs for Raspberry Pi 4 (32 and 64bit) and the
corresponding BCM2838* configs.
Be aware of the current limitation in firmware which requires an
explicit configuration to force the arm in 64bit mode when the
respective target is used.
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Upstream-status: Pending
---
arch/arm/mach-bcm283x/Kconfig | 62 +++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig
index 8e69914a83..09a5b42bbb 100644
--- a/arch/arm/mach-bcm283x/Kconfig
+++ b/arch/arm/mach-bcm283x/Kconfig
@@ -26,6 +26,23 @@ config BCM2837_64B
select BCM2837
select ARM64
+config BCM2838
+ bool "Broadcom BCM2838 SoC support"
+ depends on ARCH_BCM283X
+
+config BCM2838_32B
+ bool "Broadcom BCM2838 SoC 32-bit support"
+ depends on ARCH_BCM283X
+ select BCM2838
+ select ARMV7_LPAE
+ select CPU_V7A
+
+config BCM2838_64B
+ bool "Broadcom BCM2838 SoC 64-bit support"
+ depends on ARCH_BCM283X
+ select BCM2838
+ select ARM64
+
menu "Broadcom BCM283X family"
depends on ARCH_BCM283X
@@ -127,6 +144,50 @@ config TARGET_RPI_3
This option creates a build targeting the ARMv8/AArch64 ISA.
select BCM2837_64B
+config TARGET_RPI_4_32B
+ bool "Raspberry Pi 4 32-bit build"
+ help
+ Support for all BCM2838-based Raspberry Pi variants, such as
+ the RPi 4 model B, in AArch32 (32-bit) mode.
+
+ This option assumes the VideoCore firmware is configured to use the
+ mini UART (rather than PL011) for the serial console. This is the
+ default on the RPi 4. To enable the UART console, the following non-
+ default option must be present in config.txt: enable_uart=1. This is
+ required for U-Boot to operate correctly, even if you only care
+ about the HDMI/usbkbd console.
+
+ Due to hardware incompatibilities, this can't be used with
+ BCM283/5/6/7.
+
+ This option creates a build targeting the ARMv7/AArch32 ISA.
+ select BCM2838_32B
+
+config TARGET_RPI_4
+ bool "Raspberry Pi 4 64-bit build"
+ help
+ Support for all BCM2838-based Raspberry Pi variants, such as
+ the RPi 4 model B, in AArch64 (64-bit) mode.
+
+ This option assumes the VideoCore firmware is configured to use the
+ mini UART (rather than PL011) for the serial console. This is the
+ default on the RPi 4. To enable the UART console, the following non-
+ default option must be present in config.txt: enable_uart=1. This is
+ required for U-Boot to operate correctly, even if you only care
+ about the HDMI/usbkbd console.
+
+ Due to hardware incompatibilities, this can't be used with
+ BCM283/5/6/7.
+
+ Also, due to a bug in firmware, switching to 64bit mode doesn't
+ happen automatically based on the kernel's image filename. See
+ https://github.com/raspberrypi/firmware/issues/1193 for more details.
+ Until that is resolved, the configuration (config.txt) needs to
+ explicitly set: arm_64bit=1.
+
+ This option creates a build targeting the ARMv8/AArch64 ISA.
+ select BCM2838_64B
+
endchoice
config SYS_BOARD
@@ -145,5 +206,6 @@ config BCM283x_BASE
hex
default "0x20000000" if BCM2835
default "0x3f000000" if BCM2836 || BCM2837
+ default "0xfe000000" if BCM2838
endmenu
--
2.22.0

33
recipes-bsp/u-boot/u-boot-2019.07/0004-rpi-Add-entry-for-Raspberry-Pi-4-model-B.patch
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@ -1,33 +0,0 @@
From 12fbbd5bc12e225b19d3b4cb193a1bf3d9fa752a Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@balena.io>
Date: Wed, 17 Jul 2019 15:34:18 +0100
Subject: [PATCH 4/7] rpi: Add entry for Raspberry Pi 4 model B
The Raspebrry Pi 4 uses the new revision code scheme as documented by
the foundation. This change adds an entry for this board as well.
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
board/raspberrypi/rpi/rpi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 617c892dde..92c6534da6 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -148,6 +148,11 @@ static const struct rpi_model rpi_models_new_scheme[] = {
DTB_DIR "bcm2837-rpi-cm3.dtb",
false,
},
+ [0x11] = {
+ "4 Model B",
+ DTB_DIR "bcm2838-rpi-4-b.dtb",
+ true,
+ },
};
static const struct rpi_model rpi_models_old_scheme[] = {
--
2.22.0

30
recipes-bsp/u-boot/u-boot-2019.07/0005-arm-bcm283x-Include-definition-for-additional-emmc-c.patch
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@ -1,30 +0,0 @@
From fd99a249e6faf234066a6b5da2ed34aaead3d6d9 Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@balena.io>
Date: Fri, 12 Jul 2019 11:26:10 +0100
Subject: [PATCH 5/7] arm: bcm283x: Include definition for additional emmc
clock
This clock has a different mbox ID so have this included in the relevant
header file.
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
arch/arm/mach-bcm283x/include/mach/mbox.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h b/arch/arm/mach-bcm283x/include/mach/mbox.h
index e44c7577da..f2a98acddd 100644
--- a/arch/arm/mach-bcm283x/include/mach/mbox.h
+++ b/arch/arm/mach-bcm283x/include/mach/mbox.h
@@ -230,6 +230,7 @@ struct bcm2835_mbox_tag_set_power_state {
#define BCM2835_MBOX_CLOCK_ID_SDRAM 8
#define BCM2835_MBOX_CLOCK_ID_PIXEL 9
#define BCM2835_MBOX_CLOCK_ID_PWM 10
+#define BCM2835_MBOX_CLOCK_ID_EMMC2 12
struct bcm2835_mbox_tag_get_clock_rate {
struct bcm2835_mbox_tag_hdr tag_hdr;
--
2.22.0

53
recipes-bsp/u-boot/u-boot-2019.07/0006-mmc-bcm2835_sdhci-Add-support-for-bcm2711-device.patch
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@ -1,53 +0,0 @@
From 1f42758fe69648340cfae6cae98e667b88923cf6 Mon Sep 17 00:00:00 2001
From: Matthias Brugger <mbrugger@suse.com>
Date: Wed, 10 Jul 2019 13:24:36 +0200
Subject: [PATCH 6/7] mmc: bcm2835_sdhci: Add support for bcm2711 device
The bcm2711 has two emmc controller. The difference is the clocks
they use. Add support for the second emmc contoller.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
drivers/mmc/bcm2835_sdhci.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/bcm2835_sdhci.c b/drivers/mmc/bcm2835_sdhci.c
index 08bddd410e..e68dec3be7 100644
--- a/drivers/mmc/bcm2835_sdhci.c
+++ b/drivers/mmc/bcm2835_sdhci.c
@@ -178,12 +178,13 @@ static int bcm2835_sdhci_probe(struct udevice *dev)
fdt_addr_t base;
int emmc_freq;
int ret;
+ int clock_id = (int)dev_get_driver_data(dev);
base = devfdt_get_addr(dev);
if (base == FDT_ADDR_T_NONE)
return -EINVAL;
- ret = bcm2835_get_mmc_clock(BCM2835_MBOX_CLOCK_ID_EMMC);
+ ret = bcm2835_get_mmc_clock(clock_id);
if (ret < 0) {
debug("%s: Failed to set MMC clock (err=%d)\n", __func__, ret);
return ret;
@@ -228,7 +229,14 @@ static int bcm2835_sdhci_probe(struct udevice *dev)
}
static const struct udevice_id bcm2835_sdhci_match[] = {
- { .compatible = "brcm,bcm2835-sdhci" },
+ {
+ .compatible = "brcm,bcm2835-sdhci",
+ .data = BCM2835_MBOX_CLOCK_ID_EMMC
+ },
+ {
+ .compatible = "brcm,bcm2711-emmc2",
+ .data = BCM2835_MBOX_CLOCK_ID_EMMC2
+ },
{ /* sentinel */ }
};
--
2.22.0

62
recipes-bsp/u-boot/u-boot-2019.07/0007-rpi-Add-memory-map-for-bcm2838.patch
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@ -1,62 +0,0 @@
From 76b656349a6786fa81cf69ac7762c31675cd567e Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@balena.io>
Date: Fri, 12 Jul 2019 14:27:31 +0100
Subject: [PATCH 7/7] rpi: Add memory map for bcm2838
Define the memory map for the BCM2838 based on the dt configuration
available in the Raspberry Pi kernel fork.
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
board/raspberrypi/rpi/rpi.c | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 92c6534da6..bddf2a578d 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -249,7 +249,8 @@ static uint32_t rev_type;
static const struct rpi_model *model;
#ifdef CONFIG_ARM64
-static struct mm_region bcm2837_mem_map[] = {
+#ifndef CONFIG_BCM2838
+static struct mm_region bcm283x_mem_map[] = {
{
.virt = 0x00000000UL,
.phys = 0x00000000UL,
@@ -268,8 +269,28 @@ static struct mm_region bcm2837_mem_map[] = {
0,
}
};
-
-struct mm_region *mem_map = bcm2837_mem_map;
+#else
+static struct mm_region bcm283x_mem_map[] = {
+ {
+ .virt = 0x00000000UL,
+ .phys = 0x00000000UL,
+ .size = 0xfe000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0xfe000000UL,
+ .phys = 0xfe000000UL,
+ .size = 0x01800000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+#endif
+struct mm_region *mem_map = bcm283x_mem_map;
#endif
int dram_init(void)
--
2.22.0

2
recipes-bsp/u-boot/u-boot-fw-utils_2019.07.bbappend
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@ -1,2 +0,0 @@
# Apply the same patches for rpi4 as u-boot recipe
require u-boot-rpi4-${PV}.inc

12
recipes-bsp/u-boot/u-boot-rpi4-2019.07.inc
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@ -1,12 +0,0 @@
FILESEXTRAPATHS_prepend_raspberrypi4 := "${THISDIR}/u-boot-2019.07:"
UBOOT_RPI4_SUPPORT_PATCHES = " \
file://0001-configs-rpi4-Add-defconfigs-for-rpi4-32-64.patch \
file://0002-ARM-bcm283x-Add-BCM283x_BASE-define.patch \
file://0003-arm-mach-bcm283x-Define-configs-for-RaspberryPi-4.patch \
file://0004-rpi-Add-entry-for-Raspberry-Pi-4-model-B.patch \
file://0005-arm-bcm283x-Include-definition-for-additional-emmc-c.patch \
file://0006-mmc-bcm2835_sdhci-Add-support-for-bcm2711-device.patch \
file://0007-rpi-Add-memory-map-for-bcm2838.patch \
"
SRC_URI_append_raspberrypi4 = "${UBOOT_RPI4_SUPPORT_PATCHES}"

2
recipes-bsp/u-boot/u-boot_2019.07.bbappend
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@ -1,2 +0,0 @@
# Apply the same patches for rpi4 as u-boot recipe
require u-boot-rpi4-${PV}.inc