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authorRafał Miłecki <rafal@milecki.pl>2016-08-15 12:47:21 +0200
committerRafał Miłecki <rafal@milecki.pl>2016-08-15 12:49:16 +0200
commit27b078e83aa05e66697dfc177d6deb69dd7d4491 (patch)
tree3cf4a9e708ff1cc7ed6dc9b3911cac1a67369e2b
parent38750ce739803bcf2b183a7fb3738eb685d21dff (diff)
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bcm53xx: add quick fixes for BCM53573
It adds and uses ILP clock that requires some other work (in progress) for upstreaming it. Other than that it adds a quick fix for bcma to add serial flash before trying to read SPROM. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-rw-r--r--target/linux/bcm53xx/patches-4.4/905-BCM53573-minor-hacks.patch97
1 files changed, 97 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.4/905-BCM53573-minor-hacks.patch b/target/linux/bcm53xx/patches-4.4/905-BCM53573-minor-hacks.patch
new file mode 100644
index 0000000000..c48170aa97
--- /dev/null
+++ b/target/linux/bcm53xx/patches-4.4/905-BCM53573-minor-hacks.patch
@@ -0,0 +1,97 @@
+From 6f1c62440eb6846cb8045d7a5480ec7bbe47c96f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 15 Aug 2016 10:30:41 +0200
+Subject: [PATCH] BCM53573 minor hacks
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+
+--- a/arch/arm/boot/dts/bcm53573.dtsi
++++ b/arch/arm/boot/dts/bcm53573.dtsi
+@@ -44,6 +44,24 @@
+ };
+ };
+
++ ilp: ilp@0 {
++ compatible = "brcm,ns-ilp";
++ reg = <0x18012000 0x1000>;
++ reg-names = "pmu";
++ clocks = <&alp>;
++ #clock-cells = <0>;
++ clock-output-names = "ilp";
++ };
++
++ timer {
++ compatible = "arm,armv7-timer";
++ interrupts = <GIC_PPI 13 0>,
++ <GIC_PPI 14 0>,
++ <GIC_PPI 11 0>,
++ <GIC_PPI 10 0>;
++ clocks = <&ilp>;
++ };
++
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -349,14 +349,6 @@ static int bcma_register_devices(struct
+ }
+ #endif
+
+-#ifdef CONFIG_BCMA_SFLASH
+- if (bus->drv_cc.sflash.present) {
+- err = platform_device_register(&bcma_sflash_dev);
+- if (err)
+- bcma_err(bus, "Error registering serial flash\n");
+- }
+-#endif
+-
+ #ifdef CONFIG_BCMA_NFLASH
+ if (bus->drv_cc.nflash.present) {
+ err = platform_device_register(&bcma_nflash_dev);
+@@ -437,6 +429,14 @@ int bcma_bus_register(struct bcma_bus *b
+ bcma_register_core(bus, core);
+ }
+
++#ifdef CONFIG_BCMA_SFLASH
++ if (bus->drv_cc.sflash.present) {
++ err = platform_device_register(&bcma_sflash_dev);
++ if (err)
++ bcma_err(bus, "Error registering serial flash\n");
++ }
++#endif
++
+ /* Try to get SPROM */
+ err = bcma_sprom_get(bus);
+ if (err == -ENOENT) {
+--- a/drivers/clocksource/arm_arch_timer.c
++++ b/drivers/clocksource/arm_arch_timer.c
+@@ -14,6 +14,7 @@
+ #include <linux/smp.h>
+ #include <linux/cpu.h>
+ #include <linux/cpu_pm.h>
++#include <linux/clk.h>
+ #include <linux/clockchips.h>
+ #include <linux/clocksource.h>
+ #include <linux/interrupt.h>
+@@ -376,6 +377,16 @@ arch_timer_detect_rate(void __iomem *cnt
+ arch_timer_rate = arch_timer_get_cntfrq();
+ }
+
++ /* Get clk rate through clk driver if present */
++ if (!arch_timer_rate) {
++ struct clk *clk = of_clk_get(np, 0);
++
++ if (!IS_ERR(clk)) {
++ if (!clk_prepare_enable(clk))
++ arch_timer_rate = clk_get_rate(clk);
++ }
++ }
++
+ /* Check the timer frequency. */
+ if (arch_timer_rate == 0)
+ pr_warn("Architected timer frequency not available\n");