diff options
author | Hauke Mehrtens <hauke@openwrt.org> | 2011-12-19 23:33:03 +0000 |
---|---|---|
committer | Hauke Mehrtens <hauke@openwrt.org> | 2011-12-19 23:33:03 +0000 |
commit | a8b46480d3b892dfc0ea90b70c98f2231a83a25b (patch) | |
tree | 2c691892f4e36354a69a84b539a774c4c546947f /target/linux/brcm47xx/patches-3.0/0007-bcma-get-CPU-clock.patch | |
parent | a4209940dba330a4084295315c8abcf879a902e3 (diff) | |
download | upstream-a8b46480d3b892dfc0ea90b70c98f2231a83a25b.tar.gz upstream-a8b46480d3b892dfc0ea90b70c98f2231a83a25b.tar.bz2 upstream-a8b46480d3b892dfc0ea90b70c98f2231a83a25b.zip |
kernel: update bcma and ssb to version master-2011-12-16 from wireless-testing
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29574 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.0/0007-bcma-get-CPU-clock.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.0/0007-bcma-get-CPU-clock.patch | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/target/linux/brcm47xx/patches-3.0/0007-bcma-get-CPU-clock.patch b/target/linux/brcm47xx/patches-3.0/0007-bcma-get-CPU-clock.patch deleted file mode 100644 index 7fa752056b..0000000000 --- a/target/linux/brcm47xx/patches-3.0/0007-bcma-get-CPU-clock.patch +++ /dev/null @@ -1,229 +0,0 @@ -From bd2bb5fbf1982b18f44b6fd78e45717e0757cdc0 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sat, 16 Jul 2011 15:19:38 +0200 -Subject: [PATCH 07/26] bcma: get CPU clock - -Add method to return the clock of the CPU. This is needed by the arch -code to calculate the mips_hpt_frequency. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/bcma/bcma_private.h | 1 + - drivers/bcma/driver_chipcommon_pmu.c | 107 +++++++++++++++++++++++++++ - drivers/bcma/driver_mips.c | 12 +++ - include/linux/bcma/bcma_driver_chipcommon.h | 39 ++++++++++ - include/linux/bcma/bcma_driver_mips.h | 2 + - 5 files changed, 161 insertions(+), 0 deletions(-) - ---- a/drivers/bcma/bcma_private.h -+++ b/drivers/bcma/bcma_private.h -@@ -36,6 +36,7 @@ void bcma_chipco_serial_init(struct bcma - - /* driver_chipcommon_pmu.c */ - u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc); -+u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc); - - #ifdef CONFIG_BCMA_HOST_PCI - /* host_pci.c */ ---- a/drivers/bcma/driver_chipcommon_pmu.c -+++ b/drivers/bcma/driver_chipcommon_pmu.c -@@ -11,6 +11,13 @@ - #include "bcma_private.h" - #include <linux/bcma/bcma.h> - -+static u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset) -+{ -+ bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset); -+ bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR); -+ return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA); -+} -+ - static void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc, - u32 offset, u32 mask, u32 set) - { -@@ -162,3 +169,103 @@ u32 bcma_pmu_alp_clock(struct bcma_drv_c - } - return BCMA_CC_PMU_ALP_CLOCK; - } -+ -+/* Find the output of the "m" pll divider given pll controls that start with -+ * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc. -+ */ -+static u32 bcma_pmu_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m) -+{ -+ u32 tmp, div, ndiv, p1, p2, fc; -+ struct bcma_bus *bus = cc->core->bus; -+ -+ BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0)); -+ -+ BUG_ON(!m || m > 4); -+ -+ if (bus->chipinfo.id == 0x5357 || bus->chipinfo.id == 0x4749) { -+ /* Detect failure in clock setting */ -+ tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT); -+ if (tmp & 0x40000) -+ return 133 * 1000000; -+ } -+ -+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF); -+ p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT; -+ p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT; -+ -+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF); -+ div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) & -+ BCMA_CC_PPL_MDIV_MASK; -+ -+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF); -+ ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT; -+ -+ /* Do calculation in Mhz */ -+ fc = bcma_pmu_alp_clock(cc) / 1000000; -+ fc = (p1 * ndiv * fc) / p2; -+ -+ /* Return clock in Hertz */ -+ return (fc / div) * 1000000; -+} -+ -+/* query bus clock frequency for PMU-enabled chipcommon */ -+u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc) -+{ -+ struct bcma_bus *bus = cc->core->bus; -+ -+ switch (bus->chipinfo.id) { -+ case 0x4716: -+ case 0x4748: -+ case 47162: -+ return bcma_pmu_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0, -+ BCMA_CC_PMU5_MAINPLL_SSB); -+ case 0x5356: -+ return bcma_pmu_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0, -+ BCMA_CC_PMU5_MAINPLL_SSB); -+ case 0x5357: -+ case 0x4749: -+ return bcma_pmu_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0, -+ BCMA_CC_PMU5_MAINPLL_SSB); -+ case 0x5300: -+ return bcma_pmu_clock(cc, BCMA_CC_PMU4706_MAINPLL_PLL0, -+ BCMA_CC_PMU5_MAINPLL_SSB); -+ case 53572: -+ return 75000000; -+ default: -+ pr_warn("No backplane clock specified for %04X device, " -+ "pmu rev. %d, using default %d Hz\n", -+ bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK); -+ } -+ return BCMA_CC_PMU_HT_CLOCK; -+} -+ -+/* query cpu clock frequency for PMU-enabled chipcommon */ -+u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc) -+{ -+ struct bcma_bus *bus = cc->core->bus; -+ -+ if (bus->chipinfo.id == 53572) -+ return 300000000; -+ -+ if (cc->pmu.rev >= 5) { -+ u32 pll; -+ switch (bus->chipinfo.id) { -+ case 0x5356: -+ pll = BCMA_CC_PMU5356_MAINPLL_PLL0; -+ break; -+ case 0x5357: -+ case 0x4749: -+ pll = BCMA_CC_PMU5357_MAINPLL_PLL0; -+ break; -+ default: -+ pll = BCMA_CC_PMU4716_MAINPLL_PLL0; -+ break; -+ } -+ -+ /* TODO: if (bus->chipinfo.id == 0x5300) -+ return si_4706_pmu_clock(sih, osh, cc, PMU4706_MAINPLL_PLL0, PMU5_MAINPLL_CPU); */ -+ return bcma_pmu_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU); -+ } -+ -+ return bcma_pmu_get_clockcontrol(cc); -+} ---- a/drivers/bcma/driver_mips.c -+++ b/drivers/bcma/driver_mips.c -@@ -166,6 +166,18 @@ static void bcma_core_mips_dump_irq(stru - } - } - -+u32 bcma_cpu_clock(struct bcma_drv_mips *mcore) -+{ -+ struct bcma_bus *bus = mcore->core->bus; -+ -+ if (bus->drv_cc.capabilities & BCMA_CC_CAP_PMU) -+ return bcma_pmu_get_clockcpu(&bus->drv_cc); -+ -+ pr_err("No PMU available, need this to get the cpu clock\n"); -+ return 0; -+} -+EXPORT_SYMBOL(bcma_cpu_clock); -+ - static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) - { - struct bcma_bus *bus = mcore->core->bus; ---- a/include/linux/bcma/bcma_driver_chipcommon.h -+++ b/include/linux/bcma/bcma_driver_chipcommon.h -@@ -241,8 +241,47 @@ - #define BCMA_CC_SPROM 0x0800 /* SPROM beginning */ - #define BCMA_CC_SPROM_PCIE6 0x0830 /* SPROM beginning on PCIe rev >= 6 */ - -+/* Divider allocation in 4716/47162/5356 */ -+#define BCMA_CC_PMU5_MAINPLL_CPU 1 -+#define BCMA_CC_PMU5_MAINPLL_MEM 2 -+#define BCMA_CC_PMU5_MAINPLL_SSB 3 -+ -+/* PLL usage in 4716/47162 */ -+#define BCMA_CC_PMU4716_MAINPLL_PLL0 12 -+ -+/* PLL usage in 5356/5357 */ -+#define BCMA_CC_PMU5356_MAINPLL_PLL0 0 -+#define BCMA_CC_PMU5357_MAINPLL_PLL0 0 -+ -+/* 4706 PMU */ -+#define BCMA_CC_PMU4706_MAINPLL_PLL0 0 -+ - /* ALP clock on pre-PMU chips */ - #define BCMA_CC_PMU_ALP_CLOCK 20000000 -+/* HT clock for systems with PMU-enabled chipcommon */ -+#define BCMA_CC_PMU_HT_CLOCK 80000000 -+ -+/* PMU rev 5 (& 6) */ -+#define BCMA_CC_PPL_P1P2_OFF 0 -+#define BCMA_CC_PPL_P1_MASK 0x0f000000 -+#define BCMA_CC_PPL_P1_SHIFT 24 -+#define BCMA_CC_PPL_P2_MASK 0x00f00000 -+#define BCMA_CC_PPL_P2_SHIFT 20 -+#define BCMA_CC_PPL_M14_OFF 1 -+#define BCMA_CC_PPL_MDIV_MASK 0x000000ff -+#define BCMA_CC_PPL_MDIV_WIDTH 8 -+#define BCMA_CC_PPL_NM5_OFF 2 -+#define BCMA_CC_PPL_NDIV_MASK 0xfff00000 -+#define BCMA_CC_PPL_NDIV_SHIFT 20 -+#define BCMA_CC_PPL_FMAB_OFF 3 -+#define BCMA_CC_PPL_MRAT_MASK 0xf0000000 -+#define BCMA_CC_PPL_MRAT_SHIFT 28 -+#define BCMA_CC_PPL_ABRAT_MASK 0x08000000 -+#define BCMA_CC_PPL_ABRAT_SHIFT 27 -+#define BCMA_CC_PPL_FDIV_MASK 0x07ffffff -+#define BCMA_CC_PPL_PLLCTL_OFF 4 -+#define BCMA_CC_PPL_PCHI_OFF 5 -+#define BCMA_CC_PPL_PCHI_MASK 0x0000003f - - /* Data for the PMU, if available. - * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU) ---- a/include/linux/bcma/bcma_driver_mips.h -+++ b/include/linux/bcma/bcma_driver_mips.h -@@ -44,6 +44,8 @@ extern void bcma_core_mips_init(struct b - static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } - #endif - -+extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); -+ - extern unsigned int bcma_core_mips_irq(struct bcma_device *dev); - - #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */ |