diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/220-bcm5354.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.2/220-bcm5354.patch | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/220-bcm5354.patch b/target/linux/brcm47xx/patches-3.2/220-bcm5354.patch deleted file mode 100644 index 1998bbef09..0000000000 --- a/target/linux/brcm47xx/patches-3.2/220-bcm5354.patch +++ /dev/null @@ -1,134 +0,0 @@ -From 6d174f732e198aae8583cc5414b11b988bfd37a9 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Mon, 30 Jan 2012 22:44:15 +0100 -Subject: [PATCH 4/4] ssb: add support for bcm5354 - -This patch adds support the the BCM5354 SoC. -It has a PMU and a constant not configurable clock. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/ssb/driver_chipcommon_pmu.c | 48 +++++++++++++++++++++++++++++++--- - drivers/ssb/driver_mipscore.c | 3 ++ - drivers/ssb/main.c | 3 ++ - drivers/ssb/ssb_private.h | 4 +++ - 4 files changed, 53 insertions(+), 5 deletions(-) - ---- a/drivers/ssb/driver_chipcommon_pmu.c -+++ b/drivers/ssb/driver_chipcommon_pmu.c -@@ -13,6 +13,9 @@ - #include <linux/ssb/ssb_driver_chipcommon.h> - #include <linux/delay.h> - #include <linux/export.h> -+#ifdef CONFIG_BCM47XX -+#include <asm/mach-bcm47xx/nvram.h> -+#endif - - #include "ssb_private.h" - -@@ -92,10 +95,6 @@ static void ssb_pmu0_pllinit_r0(struct s - u32 pmuctl, tmp, pllctl; - unsigned int i; - -- if ((bus->chip_id == 0x5354) && !crystalfreq) { -- /* The 5354 crystal freq is 25MHz */ -- crystalfreq = 25000; -- } - if (crystalfreq) - e = pmu0_plltab_find_entry(crystalfreq); - if (!e) -@@ -321,7 +320,11 @@ static void ssb_pmu_pll_init(struct ssb_ - u32 crystalfreq = 0; /* in kHz. 0 = keep default freq. */ - - if (bus->bustype == SSB_BUSTYPE_SSB) { -- /* TODO: The user may override the crystal frequency. */ -+#ifdef CONFIG_BCM47XX -+ char buf[20]; -+ if (nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0) -+ crystalfreq = simple_strtoul(buf, NULL, 0); -+#endif - } - - switch (bus->chip_id) { -@@ -330,7 +333,11 @@ static void ssb_pmu_pll_init(struct ssb_ - ssb_pmu1_pllinit_r0(cc, crystalfreq); - break; - case 0x4328: -+ ssb_pmu0_pllinit_r0(cc, crystalfreq); -+ break; - case 0x5354: -+ if (crystalfreq == 0) -+ crystalfreq = 25000; - ssb_pmu0_pllinit_r0(cc, crystalfreq); - break; - case 0x4322: -@@ -607,3 +614,34 @@ void ssb_pmu_set_ldo_paref(struct ssb_ch - - EXPORT_SYMBOL(ssb_pmu_set_ldo_voltage); - EXPORT_SYMBOL(ssb_pmu_set_ldo_paref); -+ -+u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc) -+{ -+ struct ssb_bus *bus = cc->dev->bus; -+ -+ switch (bus->chip_id) { -+ case 0x5354: -+ /* 5354 chip uses a non programmable PLL of frequency 240MHz */ -+ return 240000000; -+ default: -+ ssb_printk(KERN_ERR PFX -+ "ERROR: PMU cpu clock unknown for device %04X\n", -+ bus->chip_id); -+ return 0; -+ } -+} -+ -+u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc) -+{ -+ struct ssb_bus *bus = cc->dev->bus; -+ -+ switch (bus->chip_id) { -+ case 0x5354: -+ return 120000000; -+ default: -+ ssb_printk(KERN_ERR PFX -+ "ERROR: PMU controlclock unknown for device %04X\n", -+ bus->chip_id); -+ return 0; -+ } -+} ---- a/drivers/ssb/driver_mipscore.c -+++ b/drivers/ssb/driver_mipscore.c -@@ -232,6 +232,9 @@ u32 ssb_cpu_clock(struct ssb_mipscore *m - struct ssb_bus *bus = mcore->dev->bus; - u32 pll_type, n, m, rate = 0; - -+ if (bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU) -+ return ssb_pmu_get_cpu_clock(&bus->chipco); -+ - if (bus->extif.dev) { - ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m); - } else if (bus->chipco.dev) { ---- a/drivers/ssb/main.c -+++ b/drivers/ssb/main.c -@@ -1094,6 +1094,9 @@ u32 ssb_clockspeed(struct ssb_bus *bus) - u32 plltype; - u32 clkctl_n, clkctl_m; - -+ if (bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU) -+ return ssb_pmu_get_controlclock(&bus->chipco); -+ - if (ssb_extif_available(&bus->extif)) - ssb_extif_get_clockcontrol(&bus->extif, &plltype, - &clkctl_n, &clkctl_m); ---- a/drivers/ssb/ssb_private.h -+++ b/drivers/ssb/ssb_private.h -@@ -211,4 +211,8 @@ static inline void b43_pci_ssb_bridge_ex - } - #endif /* CONFIG_SSB_B43_PCI_BRIDGE */ - -+/* driver_chipcommon_pmu.c */ -+extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc); -+extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc); -+ - #endif /* LINUX_SSB_PRIVATE_H_ */ |