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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-05-11 08:01:02 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-05-11 08:01:46 +0200 |
| commit | cad99b5ed7dca004b311a26d0fcad25ae27ec26c (patch) | |
| tree | 9bba8ff66a788085b4686ae14dfee41a8fba08e0 | |
| parent | 26acf2d34737b034522f35c34cd202a5265e276f (diff) | |
| download | barebox-cad99b5ed7dca004b311a26d0fcad25ae27ec26c.tar.gz barebox-cad99b5ed7dca004b311a26d0fcad25ae27ec26c.tar.xz | |
ARM: i.MX50: Amazon Kindle: Add missing compatibility checks
Add the checks to prevent Kindle specific code on other machines.
This also adds compatible strings for the Kindle machines as they
currently lack them.
Reported-by: Stefan Riedmüller <S.Riedmueller@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/boards/kindle-mx50/board.c | 19 | ||||
| -rw-r--r-- | arch/arm/dts/imx50-kindle-d01100.dts | 2 | ||||
| -rw-r--r-- | arch/arm/dts/imx50-kindle-d01200.dts | 2 |
3 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/boards/kindle-mx50/board.c b/arch/arm/boards/kindle-mx50/board.c index fa4beb7f3c..7bd4f91e0b 100644 --- a/arch/arm/boards/kindle-mx50/board.c +++ b/arch/arm/boards/kindle-mx50/board.c @@ -120,8 +120,17 @@ static void kindle_rev_init(void) free(buf); } +static int is_mx50_kindle(void) +{ + return of_machine_is_compatible("amazon,kindle-d01100") || + of_machine_is_compatible("amazon,kindle-d01200"); +} + static int kindle_mx50_late_init(void) { + if (!is_mx50_kindle()) + return 0; + armlinux_set_revision(0x50000 | imx_silicon_revision()); /* Compatibility ATAGs for original kernel */ armlinux_set_atag_appender(kindle_mx50_append_atags); @@ -134,6 +143,9 @@ late_initcall(kindle_mx50_late_init); static int kindle_mx50_mem_init(void) { + if (!is_mx50_kindle()) + return 0; + arm_add_mem_device("ram0", MX50_CSD0_BASE_ADDR, SZ_256M); return 0; } @@ -142,6 +154,10 @@ mem_initcall(kindle_mx50_mem_init); static int kindle_mx50_devices_init(void) { struct device_d *dev; + + if (!is_mx50_kindle()) + return 0; + /* Probe the eMMC to allow reading the board serial and revision */ dev = get_device_by_name("mci0"); if (dev) @@ -155,6 +171,9 @@ device_initcall(kindle_mx50_devices_init); static int kindle_mx50_postcore_init(void) { + if (!is_mx50_kindle()) + return 0; + imx50_init_lowlevel(800); return 0; diff --git a/arch/arm/dts/imx50-kindle-d01100.dts b/arch/arm/dts/imx50-kindle-d01100.dts index edbc929120..23bfbb5d24 100644 --- a/arch/arm/dts/imx50-kindle-d01100.dts +++ b/arch/arm/dts/imx50-kindle-d01100.dts @@ -17,7 +17,7 @@ / { model = "Amazon Kindle D01100"; - compatible = "fsl,imx50"; + compatible = "amazon,kindle-d01100", "fsl,imx50"; chosen { linux,stdout-path = &uart1; diff --git a/arch/arm/dts/imx50-kindle-d01200.dts b/arch/arm/dts/imx50-kindle-d01200.dts index 8f93c1b520..d8e5ed3283 100644 --- a/arch/arm/dts/imx50-kindle-d01200.dts +++ b/arch/arm/dts/imx50-kindle-d01200.dts @@ -17,7 +17,7 @@ / { model = "Amazon Kindle D01200"; - compatible = "fsl,imx50"; + compatible = "amazon,kindle-d01200", "fsl,imx50"; chosen { linux,stdout-path = &uart1; |