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-rw-r--r--target/linux/brcm63xx/patches-2.6.25/100-bcm963xx_add_new_timer_code.patch115
1 files changed, 0 insertions, 115 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.25/100-bcm963xx_add_new_timer_code.patch b/target/linux/brcm63xx/patches-2.6.25/100-bcm963xx_add_new_timer_code.patch
deleted file mode 100644
index 9d08ab087..000000000
--- a/target/linux/brcm63xx/patches-2.6.25/100-bcm963xx_add_new_timer_code.patch
+++ /dev/null
@@ -1,115 +0,0 @@
-From 7d6656dc127b54e53e507e8f264bb7e14e620cad Mon Sep 17 00:00:00 2001
-From: Axel Gembe <ago@bastart.eu.org>
-Date: Sat, 17 May 2008 15:02:39 +0200
-Subject: [PATCH] bcm963xx: add new timer code
-
-This basically selects the new generic MIPS timer code for BCM963xx and
-simplifies the timer setup code.
-
-Signed-off-by: Axel Gembe <ago@bastart.eu.org>
----
- arch/mips/Kconfig | 2 +
- arch/mips/bcm963xx/time.c | 64 ++++++++++++++++++++------------------------
- 2 files changed, 31 insertions(+), 35 deletions(-)
-
---- a/arch/mips/Kconfig
-+++ b/arch/mips/Kconfig
-@@ -67,6 +67,8 @@
- select HW_HAS_PCI
- select DMA_NONCOHERENT
- select IRQ_CPU
-+ select CEVT_R4K
-+ select CSRC_R4K
- help
- This is a fmaily of boards based on the Broadcom MIPS32
-
---- a/arch/mips/bcm963xx/time.c
-+++ b/arch/mips/bcm963xx/time.c
-@@ -1,6 +1,7 @@
- /*
- <:copyright-gpl
- Copyright 2004 Broadcom Corp. All Rights Reserved.
-+ Copyright (C) 2008 Axel Gembe <ago@bastart.eu.org>
-
- This program is free software; you can distribute it and/or modify it
- under the terms of the GNU General Public License (Version 2) as
-@@ -40,50 +41,43 @@
- #include <bcm_map_part.h>
- #include <bcm_intr.h>
-
--static unsigned long r4k_offset; /* Amount to increment compare reg each time */
--static unsigned long r4k_cur; /* What counter should be at next timer irq */
--
--/* *********************************************************************
-- * calculateCpuSpeed()
-- * Calculate the BCM6348 CPU speed by reading the PLL strap register
-- * and applying the following formula:
-- * cpu_clk = (.25 * 64MHz freq) * (N1 + 1) * (N2 + 2) / (M1_CPU + 1)
-- * Input parameters:
-- * none
-- * Return value:
-- * none
-- ********************************************************************* */
--
-+/*
-+ * calculateCpuSpeed()
-+ *
-+ * Calculate the BCM6348 CPU speed by reading the PLL strap register and applying
-+ * the following formula:
-+ *
-+ * cpu_clk = (.25 * 64MHz freq) * (N1 + 1) * (N2 + 2) / (M1_CPU + 1)
-+ */
- static inline unsigned long __init calculateCpuSpeed(void)
- {
-- u32 pllStrap = PERF->PllStrap;
-- int n1 = (pllStrap & PLL_N1_MASK) >> PLL_N1_SHFT;
-- int n2 = (pllStrap & PLL_N2_MASK) >> PLL_N2_SHFT;
-- int m1cpu = (pllStrap & PLL_M1_CPU_MASK) >> PLL_M1_CPU_SHFT;
-+ u32 pllStrap;
-+ int n1, n2, m1cpu;
-+
-+ pllStrap = PERF->PllStrap;
-+ n1 = (pllStrap & PLL_N1_MASK) >> PLL_N1_SHFT;
-+ n2 = (pllStrap & PLL_N2_MASK) >> PLL_N2_SHFT;
-+ m1cpu = (pllStrap & PLL_M1_CPU_MASK) >> PLL_M1_CPU_SHFT;
-
- return (16 * (n1 + 1) * (n2 + 2) / (m1cpu + 1)) * 1000000;
- }
-
-
--static inline unsigned long __init cal_r4koff(void)
--{
-- mips_hpt_frequency = calculateCpuSpeed() / 2;
-- return (mips_hpt_frequency / HZ);
--}
--
- void __init plat_time_init(void)
- {
-- unsigned int est_freq, flags;
-- local_irq_save(flags);
-+ unsigned long cpu_clock;
-+
-+ cpu_clock = calculateCpuSpeed();
-+
-+ printk("CPU frequency %lu.%02lu MHz\n", cpu_clock / 1000000,
-+ (cpu_clock % 1000000) * 100 / 1000000);
-+
-+ mips_hpt_frequency = cpu_clock / 2;
-
-- printk("calculating r4koff... ");
-- r4k_offset = cal_r4koff();
-- printk("%08lx(%d)\n", r4k_offset, (int)r4k_offset);
--
-- est_freq = 2 * r4k_offset * HZ;
-- est_freq += 5000; /* round */
-- est_freq -= est_freq % 10000;
-- printk("CPU frequency %d.%02d MHz\n", est_freq / 1000000,
-- (est_freq % 1000000) * 100 / 1000000);
-- local_irq_restore(flags);
-+ /*
-+ * Use deterministic values for initial counter interrupt
-+ * so that calibrate delay avoids encountering a counter wrap.
-+ */
-+ write_c0_count(0);
-+ write_c0_compare(0xffff);
- }