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[src/trunk]: src/sys/arch/arm/rockchip More clock fixes, debugging.
details: https://anonhg.NetBSD.org/src/rev/330390f90391
branches: trunk
changeset: 335136:330390f90391
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sat Dec 27 16:18:50 2014 +0000
description:
More clock fixes, debugging.
diffstat:
sys/arch/arm/rockchip/files.rockchip | 5 +-
sys/arch/arm/rockchip/obio.c | 27 ++++++++++-
sys/arch/arm/rockchip/rockchip_board.c | 79 ++++++++++++++++++++++++++++++--
sys/arch/arm/rockchip/rockchip_crureg.h | 14 +++--
sys/arch/arm/rockchip/rockchip_var.h | 6 ++-
5 files changed, 117 insertions(+), 14 deletions(-)
diffs (265 lines):
diff -r 33a915e484be -r 330390f90391 sys/arch/arm/rockchip/files.rockchip
--- a/sys/arch/arm/rockchip/files.rockchip Sat Dec 27 15:52:42 2014 +0000
+++ b/sys/arch/arm/rockchip/files.rockchip Sat Dec 27 16:18:50 2014 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.rockchip,v 1.2 2014/12/26 19:44:48 jmcneill Exp $
+# $NetBSD: files.rockchip,v 1.3 2014/12/27 16:18:50 jmcneill Exp $
#
# Configuration info for Rockchip ARM Peripherals
#
@@ -41,3 +41,6 @@
# Memory parameters
defparam opt_rockchip.h MEMSIZE
+
+# Debugging parameters
+defflag opt_rockchip.h ROCKCHIP_CLOCK_DEBUG
diff -r 33a915e484be -r 330390f90391 sys/arch/arm/rockchip/obio.c
--- a/sys/arch/arm/rockchip/obio.c Sat Dec 27 15:52:42 2014 +0000
+++ b/sys/arch/arm/rockchip/obio.c Sat Dec 27 16:18:50 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: obio.c,v 1.2 2014/12/26 19:44:48 jmcneill Exp $ */
+/* $NetBSD: obio.c,v 1.3 2014/12/27 16:18:50 jmcneill Exp $ */
/*
* Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc.
@@ -35,8 +35,10 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
+#include "opt_rockchip.h"
+
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.2 2014/12/26 19:44:48 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.3 2014/12/27 16:18:50 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -66,6 +68,10 @@
void obio_init_gpio(void);
void obio_swporta(int, int, int);
+#ifdef ROCKCHIP_CLOCK_DEBUG
+static void obio_dump_clocks(void);
+#endif
+
/* there can be only one */
bool obio_found;
@@ -86,6 +92,10 @@
aprint_naive("\n");
aprint_normal(": On-board I/O\n");
+#ifdef ROCKCHIP_CLOCK_DEBUG
+ obio_dump_clocks();
+#endif
+
obio_init_grf();
obio_init_gpio();
@@ -208,3 +218,16 @@
printf("gpio: 0x%08x 0x%08x -> 0x%08x\n", gpio_base + offset, old, renew);
}
+
+#ifdef ROCKCHIP_CLOCK_DEBUG
+static void
+obio_dump_clocks(void)
+{
+ printf("APLL: %u Hz\n", rockchip_apll_get_rate());
+ printf("GPLL: %u Hz\n", rockchip_gpll_get_rate());
+ printf("CPU: %u Hz\n", rockchip_cpu_get_rate());
+ printf("AHB: %u Hz\n", rockchip_ahb_get_rate());
+ printf("A9PERIPH: %u Hz\n", rockchip_a9periph_get_rate());
+ printf("MMC0: %u Hz\n", rockchip_mmc0_get_rate());
+}
+#endif
diff -r 33a915e484be -r 330390f90391 sys/arch/arm/rockchip/rockchip_board.c
--- a/sys/arch/arm/rockchip/rockchip_board.c Sat Dec 27 15:52:42 2014 +0000
+++ b/sys/arch/arm/rockchip/rockchip_board.c Sat Dec 27 16:18:50 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rockchip_board.c,v 1.3 2014/12/27 02:12:29 jmcneill Exp $ */
+/* $NetBSD: rockchip_board.c,v 1.4 2014/12/27 16:18:50 jmcneill Exp $ */
/*-
* Copyright (c) 2014 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -26,8 +26,10 @@
* SUCH DAMAGE.
*/
+#include "opt_rockchip.h"
+
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rockchip_board.c,v 1.3 2014/12/27 02:12:29 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rockchip_board.c,v 1.4 2014/12/27 16:18:50 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -81,7 +83,13 @@
no = __SHIFTOUT(pll_con0, CRU_PLL_CON0_CLKOD) + 1;
nf = __SHIFTOUT(pll_con1, CRU_PLL_CON1_CLKF) + 1;
- return ROCKCHIP_REF_FREQ * nf / (nr * no);
+#ifdef ROCKCHIP_CLOCK_DEBUG
+ printf("%s: %#x %#x: nr=%d no=%d nf=%d\n", __func__,
+ (unsigned int)con0_reg, (unsigned int)con1_reg,
+ nr, no, nf);
+#endif
+
+ return (ROCKCHIP_REF_FREQ * nf) / (nr * no);
}
u_int
@@ -102,15 +110,58 @@
bus_space_tag_t bst = &rockchip_bs_tag;
bus_space_handle_t bsh;
uint32_t clksel_con0;
+ uint32_t a9_core_div_con;
+ u_int rate;
rockchip_get_cru_bsh(&bsh);
clksel_con0 = bus_space_read_4(bst, bsh, CRU_CLKSEL_CON_REG(0));
if (clksel_con0 & CRU_CLKSEL_CON0_CPU_CLK_PLL_SEL) {
- return rockchip_gpll_get_rate();
+ rate = rockchip_gpll_get_rate();
+ } else {
+ rate = rockchip_apll_get_rate();
+ }
+
+#if notyet
+ if (rockchip_chip_id() == ROCKCHIP_CHIP_ID_RK3188) {
+ a9_core_div_con = __SHIFTOUT(clksel_con0,
+ RK3188_CRU_CLKSEL_CON0_A9_CORE_DIV_CON);
} else {
- return rockchip_apll_get_rate();
+ a9_core_div_con = __SHIFTOUT(clksel_con0,
+ CRU_CLKSEL_CON0_A9_CORE_DIV_CON);
}
+#else
+ a9_core_div_con = 0;
+#endif
+
+#ifdef ROCKCHIP_CLOCK_DEBUG
+ printf("%s: clksel_con0=%#x\n", __func__, clksel_con0);
+#endif
+
+ return rate / (a9_core_div_con + 1);
+}
+
+u_int
+rockchip_a9periph_get_rate(void)
+{
+ bus_space_tag_t bst = &rockchip_bs_tag;
+ bus_space_handle_t bsh;
+ uint32_t clksel_con0;
+ uint32_t core_peri_div_con;
+ u_int rate;
+
+ rockchip_get_cru_bsh(&bsh);
+
+ clksel_con0 = bus_space_read_4(bst, bsh, CRU_CLKSEL_CON_REG(0));
+ if (clksel_con0 & CRU_CLKSEL_CON0_CPU_CLK_PLL_SEL) {
+ rate = rockchip_gpll_get_rate();
+ } else {
+ rate = rockchip_apll_get_rate();
+ }
+ core_peri_div_con = __SHIFTOUT(clksel_con0,
+ CRU_CLKSEL_CON0_CORE_PERI_DIV_CON);
+
+ return rate / ((1 << core_peri_div_con) * 2);
}
u_int
@@ -132,3 +183,21 @@
return rockchip_gpll_get_rate() / (hclk_div * aclk_div);
}
+
+u_int
+rockchip_mmc0_get_rate(void)
+{
+ bus_space_tag_t bst = &rockchip_bs_tag;
+ bus_space_handle_t bsh;
+ uint32_t clksel_con11;
+ uint32_t mmc0_div_con;
+
+ rockchip_get_cru_bsh(&bsh);
+
+ clksel_con11 = bus_space_read_4(bst, bsh, CRU_CLKSEL_CON_REG(11));
+
+ mmc0_div_con = __SHIFTOUT(clksel_con11,
+ CRU_CLKSEL_CON11_MMC0_DIV_CON);
+
+ return rockchip_gpll_get_rate() / (mmc0_div_con + 1);
+}
diff -r 33a915e484be -r 330390f90391 sys/arch/arm/rockchip/rockchip_crureg.h
--- a/sys/arch/arm/rockchip/rockchip_crureg.h Sat Dec 27 15:52:42 2014 +0000
+++ b/sys/arch/arm/rockchip/rockchip_crureg.h Sat Dec 27 16:18:50 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rockchip_crureg.h,v 1.2 2014/12/27 02:12:29 jmcneill Exp $ */
+/* $NetBSD: rockchip_crureg.h,v 1.3 2014/12/27 16:18:50 jmcneill Exp $ */
/*-
* Copyright (c) 2014 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -55,12 +55,12 @@
#define CRU_GLB_CNT_TH_REG 0x0140
#define CRU_PLL_CON0_CLKR_MASK __BITS(29,24)
-#define CRU_PLL_CON0_CLKOD_MASK __BITS(19,16)
+#define CRU_PLL_CON0_CLKOD_MASK __BITS(21,16)
#define CRU_PLL_CON0_CLKR __BITS(13,8)
-#define CRU_PLL_CON0_CLKOD __BITS(3,0)
+#define CRU_PLL_CON0_CLKOD __BITS(5,0)
-#define CRU_PLL_CON1_CLKF_MASK __BITS(28,16)
-#define CRU_PLL_CON1_CLKF __BITS(12,0)
+#define CRU_PLL_CON1_CLKF_MASK __BITS(31,16)
+#define CRU_PLL_CON1_CLKF __BITS(15,0)
#define CRU_CLKSEL_CON0_CPU_CLK_PLL_SEL_MASK __BIT(24)
#define CRU_CLKSEL_CON0_CORE_PERI_DIV_CON_MASK __BITS(23,22)
@@ -68,6 +68,7 @@
#define CRU_CLKSEL_CON0_CPU_CLK_PLL_SEL __BIT(8)
#define CRU_CLKSEL_CON0_CORE_PERI_DIV_CON __BITS(7,6)
#define CRU_CLKSEL_CON0_A9_CORE_DIV_CON __BITS(4,0)
+#define RK3188_CRU_CLKSEL_CON0_A9_CORE_DIV_CON __BITS(13,9)
#define CRU_CLKSEL_CON10_PERI_PLL_SEL_MASK __BIT(31)
#define CRU_CLKSEL_CON10_PERI_PCLK_DIV_CON_MASK __BITS(29,28)
@@ -78,6 +79,9 @@
#define CRU_CLKSEL_CON10_PERI_HCLK_DIV_CON __BITS(9,8)
#define CRU_CLKSEL_CON10_PERI_ACLK_DIV_CON __BITS(4,0)
+#define CRU_CLKSEL_CON11_MMC0_DIV_CON_MASK __BITS(21,16)
+#define CRU_CLKSEL_CON11_MMC0_DIV_CON __BITS(5,0)
+
#define CRU_GLB_SRST_FST_MAGIC 0xfdb9
#endif /* !_ROCKCHIP_CRUREG_H */
diff -r 33a915e484be -r 330390f90391 sys/arch/arm/rockchip/rockchip_var.h
--- a/sys/arch/arm/rockchip/rockchip_var.h Sat Dec 27 15:52:42 2014 +0000
+++ b/sys/arch/arm/rockchip/rockchip_var.h Sat Dec 27 16:18:50 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rockchip_var.h,v 1.4 2014/12/27 02:12:29 jmcneill Exp $ */
+/* $NetBSD: rockchip_var.h,v 1.5 2014/12/27 16:18:50 jmcneill Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -32,6 +32,8 @@
#ifndef _ARM_ROCKCHIP_ROCKCHIP_VAR_H_
#define _ARM_ROCKCHIP_ROCKCHIP_VAR_H_
+#include "opt_rockchip.h"
+
#include <sys/types.h>
#include <sys/bus.h>
@@ -60,5 +62,7 @@
u_int rockchip_gpll_get_rate(void);
u_int rockchip_cpu_get_rate(void);
u_int rockchip_ahb_get_rate(void);
+u_int rockchip_a9periph_get_rate(void);
+u_int rockchip_mmc0_get_rate(void);
#endif /* _ARM_ROCKCHIP_ROCKCHIP_VAR_H_ */
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