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Merge branch 'for-next/mvebu'

This commit is contained in:
Sascha Hauer 2013-09-05 10:38:46 +02:00
commit ec102f635b
27 changed files with 1151 additions and 75 deletions

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@ -83,9 +83,11 @@ config ARCH_IMX
config ARCH_MVEBU
bool "Marvell EBU platforms"
select COMMON_CLK
select COMMON_CLK_OF_PROVIDER
select CLKDEV_LOOKUP
select GPIOLIB
select HAS_DEBUG_LL
select OFTREE
config ARCH_MXS
bool "Freescale i.MX23/28 (mxs) based"

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@ -82,12 +82,17 @@ machine-$(CONFIG_ARCH_ZYNQ) := zynq
board-$(CONFIG_MACH_A9M2410) += a9m2410
board-$(CONFIG_MACH_A9M2440) += a9m2440
board-$(CONFIG_MACH_AT91RM9200EK) += at91rm9200ek
board-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) += globalscale-guruplug
board-$(CONFIG_MACH_GLOBALSCALE_MIRABOX) += globalscale-mirabox
board-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += marvell-armada-xp-gp
board-$(CONFIG_MACH_MINI2440) += friendlyarm-mini2440
board-$(CONFIG_MACH_MINI6410) += friendlyarm-mini6410
board-$(CONFIG_MACH_PCM027) += pcm027
board-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += plathome-openblocks-ax3/
board-$(CONFIG_MACH_SOLIDRUN_CUBOX) += solidrun-cubox
board-$(CONFIG_MACH_TINY210) += friendlyarm-tiny210
board-$(CONFIG_MACH_TINY6410) += friendlyarm-tiny6410
board-$(CONFIG_MACH_USI_TOPKICK) += usi-topkick
machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))

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@ -38,15 +38,12 @@ obj-$(CONFIG_MACH_FREESCALE_MX53_LOCO) += freescale-mx53-loco/
obj-$(CONFIG_MACH_FREESCALE_MX53_SMD) += freescale-mx53-smd/
obj-$(CONFIG_MACH_GE863) += telit-evk-pro3/
obj-$(CONFIG_MACH_GK802) += gk802/
obj-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) += globalscale-guruplug/
obj-$(CONFIG_MACH_GLOBALSCALE_MIRABOX) += globalscale-mirabox/
obj-$(CONFIG_MACH_GUF_CUPID) += guf-cupid/
obj-$(CONFIG_MACH_GUF_VINCELL) += guf-vincell/
obj-$(CONFIG_MACH_HIGHBANK) += highbank/
obj-$(CONFIG_MACH_IMX21ADS) += imx21ads/
obj-$(CONFIG_MACH_IMX233_OLINUXINO) += imx233-olinuxino/
obj-$(CONFIG_MACH_IMX27ADS) += imx27ads/
obj-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += marvell-armada-xp-gp/
obj-$(CONFIG_MACH_MIOA701) += mioa701/
obj-$(CONFIG_MACH_MMCCPU) += mmccpu/
obj-$(CONFIG_MACH_MX23EVK) += freescale-mx23-evk/
@ -67,7 +64,6 @@ obj-$(CONFIG_MACH_PCM043) += pcm043/
obj-$(CONFIG_MACH_PCM049) += pcm049/
obj-$(CONFIG_MACH_PCM051) += pcm051/
obj-$(CONFIG_MACH_PHYTEC_PFLA02) += phytec-pfla02/
obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += plathome-openblocks-ax3/
obj-$(CONFIG_MACH_PM9261) += pm9261/
obj-$(CONFIG_MACH_PM9263) += pm9263/
obj-$(CONFIG_MACH_PM9G45) += pm9g45/
@ -92,7 +88,6 @@ obj-$(CONFIG_MACH_TX53) += karo-tx53/
obj-$(CONFIG_MACH_USB_A9260) += usb-a926x/
obj-$(CONFIG_MACH_USB_A9263) += usb-a926x/
obj-$(CONFIG_MACH_USB_A9G20) += usb-a926x/
obj-$(CONFIG_MACH_USI_TOPKICK) += usi-topkick/
obj-$(CONFIG_MACH_VERSATILEPB) += versatile/
obj-$(CONFIG_MACH_VEXPRESS) += vexpress/
obj-$(CONFIG_MACH_ZEDBOARD) += avnet-zedboard/

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@ -1 +1,2 @@
obj-y += board.o
lwl-y += lowlevel.o

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@ -0,0 +1,37 @@
/*
* Copyright (C) 2013
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <common.h>
#include <sizes.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <mach/lowlevel.h>
extern char __dtb_dove_cubox_start[];
ENTRY_FUNCTION(start_solidrun_cubox)(void)
{
uint32_t fdt;
__barebox_arm_head();
arm_cpu_lowlevel_init();
fdt = (uint32_t)__dtb_dove_cubox_start - get_runtime_offset();
mvebu_barebox_entry(fdt);
}

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@ -1,15 +1,24 @@
CONFIG_BUILTIN_DTB=y
CONFIG_BUILTIN_DTB_NAME="dove-cubox"
CONFIG_ARCH_MVEBU=y
CONFIG_ARCH_DOVE=y
CONFIG_AEABI=y
CONFIG_THUMB2_BAREBOX=y
CONFIG_CMD_ARM_MMUINFO=y
CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
CONFIG_ARM_UNWIND=y
CONFIG_MMU=y
CONFIG_TEXT_BASE=0x0
CONFIG_MALLOC_SIZE=0x0
CONFIG_MALLOC_TLSF=y
CONFIG_KALLSYMS=y
CONFIG_RELOCATABLE=y
CONFIG_LONGHELP=y
CONFIG_HUSH_FANCY_PROMPT=y
CONFIG_HUSH_GETOPT=y
CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
CONFIG_DEBUG_LL=y
CONFIG_MENU=y
CONFIG_CONSOLE_ACTIVATE_NONE=y
CONFIG_PARTITION_DISK_EFI=y
CONFIG_DEBUG_LL=y
CONFIG_CMD_EDIT=y
CONFIG_CMD_SLEEP=y
CONFIG_CMD_MSLEEP=y
@ -18,6 +27,8 @@ CONFIG_CMD_EXPORT=y
CONFIG_CMD_PRINTENV=y
CONFIG_CMD_READLINE=y
CONFIG_CMD_LET=y
CONFIG_CMD_MENU=y
CONFIG_CMD_MENU_MANAGEMENT=y
CONFIG_CMD_TIME=y
CONFIG_CMD_GLOBAL=y
CONFIG_CMD_AUTOMOUNT=y
@ -31,6 +42,8 @@ CONFIG_CMD_LOADY=y
CONFIG_CMD_LOADS=y
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_IOMEM=y
CONFIG_CMD_CRC=y
CONFIG_CMD_CRC_CMP=y
CONFIG_CMD_MD5SUM=y
CONFIG_CMD_SHA1SUM=y
CONFIG_CMD_SHA256SUM=y
@ -41,6 +54,7 @@ CONFIG_CMD_BOOTM_INITRD=y
CONFIG_CMD_BOOTM_OFTREE=y
CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y
CONFIG_CMD_UIMAGE=y
CONFIG_FLEXIBLE_BOOTARGS=y
CONFIG_CMD_RESET=y
CONFIG_CMD_GO=y
CONFIG_CMD_OFTREE=y
@ -48,6 +62,8 @@ CONFIG_CMD_OF_PROPERTY=y
CONFIG_CMD_OF_NODE=y
CONFIG_CMD_TIMEOUT=y
CONFIG_CMD_PARTITION=y
CONFIG_CMD_MAGICVAR=y
CONFIG_CMD_MAGICVAR_HELP=y
CONFIG_CMD_UNCOMPRESS=y
CONFIG_CMD_I2C=y
CONFIG_CMD_SPI=y
@ -57,6 +73,7 @@ CONFIG_CMD_CLK=y
CONFIG_CMD_DETECT=y
CONFIG_CMD_WD=y
CONFIG_OFDEVICE=y
CONFIG_OF_BAREBOX_DRIVERS=y
CONFIG_DRIVER_SERIAL_NS16550=y
CONFIG_DRIVER_SPI_MVEBU=y
CONFIG_I2C=y

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@ -21,6 +21,7 @@ pbl-$(CONFIG_MACH_FREESCALE_MX53_LOCO) += imx53-qsb.dtb.o
pbl-$(CONFIG_MACH_DFI_FS700_M60) += imx6q-dfi-fs700-m60-6q.dtb.o imx6dl-dfi-fs700-m60-6s.dtb.o
pbl-$(CONFIG_MACH_PHYTEC_PFLA02) += imx6q-phytec-pbab01.dtb.o
pbl-$(CONFIG_MACH_REALQ7) += imx6q-dmo-realq7.dtb.o
pbl-$(CONFIG_MACH_SOLIDRUN_CUBOX) += dove-cubox.dtb.o
pbl-$(CONFIG_MACH_GK802) += imx6q-gk802.dtb.o
pbl-$(CONFIG_MACH_TQMA6X) += imx6dl-mba6x.dtb.o imx6q-mba6x.dtb.o

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@ -13,7 +13,7 @@
chosen {
bootargs = "console=ttyS0,115200n8 earlyprintk";
linux,stdoutpath = &uart0;
linux,stdout-path = &uart0;
};
leds {

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@ -34,7 +34,8 @@
timer: timer@20300 {
compatible = "marvell,orion-timer";
reg = <0x20300 0x30>;
reg = <0x20300 0x30>;
clocks = <&core_clk 0>;
};
intc: interrupt-controller@20204 {

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@ -88,6 +88,7 @@ choice
config MACH_SOLIDRUN_CUBOX
bool "SolidRun CuBox"
select HAVE_PBL_MULTI_IMAGES
endchoice

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@ -1,5 +1,5 @@
lwl-y += lowlevel.o
obj-y += common.o
lwl-y += common.o
obj-$(CONFIG_ARCH_ARMADA_370) += armada-370-xp.o
obj-$(CONFIG_ARCH_ARMADA_XP) += armada-370-xp.o
obj-$(CONFIG_ARCH_DOVE) += dove.o

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@ -49,9 +49,9 @@ static void mvebu_remap_registers(void)
#define MVEBU_BOOTUP_MEMORY_BASE 0x00000000
#define MVEBU_BOOTUP_MEMORY_SIZE SZ_64M
void __naked __noreturn mvebu_barebox_entry(void)
void __naked __noreturn mvebu_barebox_entry(uint32_t boarddata)
{
mvebu_remap_registers();
barebox_arm_entry(MVEBU_BOOTUP_MEMORY_BASE,
MVEBU_BOOTUP_MEMORY_SIZE, 0);
MVEBU_BOOTUP_MEMORY_SIZE, boarddata);
}

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@ -17,16 +17,9 @@
#include <common.h>
#include <init.h>
#include <io.h>
#include <ns16550.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <asm/memory.h>
#include <mach/dove-regs.h>
#define CONSOLE_UART_BASE DOVE_UARTn_BASE(CONFIG_MVEBU_CONSOLE_UART)
static struct clk *tclk;
static inline void dove_remap_mc_regs(void)
{
void __iomem *mcboot = IOMEM(DOVE_BOOTUP_MC_REGS);
@ -74,64 +67,13 @@ static inline void dove_memory_find(unsigned long *phys_base,
}
}
static struct NS16550_plat uart_plat = {
.shift = 2,
};
static int dove_add_uart(void)
{
uart_plat.clock = clk_get_rate(tclk);
if (!add_ns16550_device(DEVICE_ID_DYNAMIC,
(unsigned int)CONSOLE_UART_BASE, 32,
IORESOURCE_MEM_32BIT, &uart_plat))
return -ENODEV;
return 0;
}
/*
* Dove TCLK sample-at-reset configuation
*
* SAR0[24:23] : TCLK frequency
* 0 = 166 MHz
* 1 = 125 MHz
* others reserved.
*/
static int dove_init_clocks(void)
{
uint32_t strap, sar = readl(DOVE_SAR_BASE + SAR0);
unsigned int rate;
strap = (sar & TCLK_FREQ_MASK) >> TCLK_FREQ_SHIFT;
switch (strap) {
case 0:
rate = 166666667;
break;
case 1:
rate = 125000000;
break;
default:
panic("Unknown TCLK strapping %d\n", strap);
}
tclk = clk_fixed("tclk", rate);
return 0;
}
static int dove_init_soc(void)
{
unsigned long phys_base, phys_size;
dove_remap_mc_regs();
dove_init_clocks();
clkdev_add_physbase(tclk, (unsigned int)DOVE_TIMER_BASE, NULL);
clkdev_add_physbase(tclk, (unsigned int)DOVE_SPI0_BASE, NULL);
clkdev_add_physbase(tclk, (unsigned int)DOVE_SPI1_BASE, NULL);
add_generic_device("orion-timer", DEVICE_ID_SINGLE, NULL,
(unsigned int)DOVE_TIMER_BASE, 0x30,
IORESOURCE_MEM, NULL);
dove_memory_find(&phys_base, &phys_size);
arm_add_mem_device("ram0", phys_base, phys_size);
dove_add_uart();
return 0;
}

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@ -18,6 +18,6 @@
#ifndef __MACH_LOWLEVEL_H__
#define __MACH_LOWLEVEL_H__
void mvebu_barebox_entry(void);
void mvebu_barebox_entry(uint32_t boarddata);
#endif

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@ -24,5 +24,5 @@
void __naked barebox_arm_reset_vector(void)
{
arm_cpu_lowlevel_init();
mvebu_barebox_entry();
mvebu_barebox_entry(0);
}

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@ -2,5 +2,6 @@ obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed.o clk-divider.o clk-fixed-factor.o \
clk-mux.o clk-gate.o clk-divider-table.o
obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o
obj-$(CONFIG_ARCH_MVEBU) += mvebu/
obj-$(CONFIG_ARCH_MXS) += mxs/
obj-$(CONFIG_ARCH_TEGRA) += tegra/

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@ -0,0 +1,5 @@
obj-y += common.o
obj-$(CONFIG_ARCH_ARMADA_370) += armada-370.o
obj-$(CONFIG_ARCH_ARMADA_XP) += armada-xp.o
obj-$(CONFIG_ARCH_DOVE) += dove.o
obj-$(CONFIG_ARCH_KIRKWOOD) += kirkwood.o

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@ -0,0 +1,160 @@
/*
* Marvell Armada 370 SoC clocks
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <common.h>
#include <io.h>
#include "common.h"
/*
* Core Clocks
*/
#define SARL 0 /* Low part [0:31] */
#define SARL_A370_PCLK_FREQ_OPT 11
#define SARL_A370_PCLK_FREQ_OPT_MASK 0xF
#define SARL_A370_FAB_FREQ_OPT 15
#define SARL_A370_FAB_FREQ_OPT_MASK 0x1F
#define SARL_A370_TCLK_FREQ_OPT 20
#define SARL_A370_TCLK_FREQ_OPT_MASK 0x1
enum { A370_CPU_TO_NBCLK, A370_CPU_TO_HCLK, A370_CPU_TO_DRAMCLK };
static const struct coreclk_ratio a370_coreclk_ratios[] = {
{ .id = A370_CPU_TO_NBCLK, .name = "nbclk" },
{ .id = A370_CPU_TO_HCLK, .name = "hclk" },
{ .id = A370_CPU_TO_DRAMCLK, .name = "dramclk" },
};
static const u32 a370_tclk_freqs[] = {
16600000,
20000000,
};
static u32 a370_get_tclk_freq(void __iomem *sar)
{
u8 tclk_freq_select = 0;
tclk_freq_select = ((readl(sar) >> SARL_A370_TCLK_FREQ_OPT) &
SARL_A370_TCLK_FREQ_OPT_MASK);
return a370_tclk_freqs[tclk_freq_select];
}
static const u32 a370_cpu_freqs[] = {
400000000,
533000000,
667000000,
800000000,
1000000000,
1067000000,
1200000000,
};
static u32 a370_get_cpu_freq(void __iomem *sar)
{
u32 cpu_freq;
u8 cpu_freq_select = 0;
cpu_freq_select = ((readl(sar) >> SARL_A370_PCLK_FREQ_OPT) &
SARL_A370_PCLK_FREQ_OPT_MASK);
if (cpu_freq_select >= ARRAY_SIZE(a370_cpu_freqs)) {
pr_err("CPU freq select unsupported %d\n", cpu_freq_select);
cpu_freq = 0;
} else
cpu_freq = a370_cpu_freqs[cpu_freq_select];
return cpu_freq;
}
static const int a370_nbclk_ratios[32][2] = {
{0, 1}, {1, 2}, {2, 2}, {2, 2},
{1, 2}, {1, 2}, {1, 1}, {2, 3},
{0, 1}, {1, 2}, {2, 4}, {0, 1},
{1, 2}, {0, 1}, {0, 1}, {2, 2},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{2, 3}, {0, 1}, {0, 1}, {0, 1},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{0, 1}, {0, 1}, {0, 1}, {0, 1},
};
static const int a370_hclk_ratios[32][2] = {
{0, 1}, {1, 2}, {2, 6}, {2, 3},
{1, 3}, {1, 4}, {1, 2}, {2, 6},
{0, 1}, {1, 6}, {2, 10}, {0, 1},
{1, 4}, {0, 1}, {0, 1}, {2, 5},
{0, 1}, {0, 1}, {0, 1}, {1, 2},
{2, 6}, {0, 1}, {0, 1}, {0, 1},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{0, 1}, {0, 1}, {0, 1}, {0, 1},
};
static const int a370_dramclk_ratios[32][2] = {
{0, 1}, {1, 2}, {2, 3}, {2, 3},
{1, 3}, {1, 2}, {1, 2}, {2, 6},
{0, 1}, {1, 3}, {2, 5}, {0, 1},
{1, 4}, {0, 1}, {0, 1}, {2, 5},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{2, 3}, {0, 1}, {0, 1}, {0, 1},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{0, 1}, {0, 1}, {0, 1}, {0, 1},
};
static void a370_get_clk_ratio(
void __iomem *sar, int id, int *mult, int *div)
{
u32 opt = ((readl(sar) >> SARL_A370_FAB_FREQ_OPT) &
SARL_A370_FAB_FREQ_OPT_MASK);
switch (id) {
case A370_CPU_TO_NBCLK:
*mult = a370_nbclk_ratios[opt][0];
*div = a370_nbclk_ratios[opt][1];
break;
case A370_CPU_TO_HCLK:
*mult = a370_hclk_ratios[opt][0];
*div = a370_hclk_ratios[opt][1];
break;
case A370_CPU_TO_DRAMCLK:
*mult = a370_dramclk_ratios[opt][0];
*div = a370_dramclk_ratios[opt][1];
break;
}
}
const struct coreclk_soc_desc armada_370_coreclks = {
.get_tclk_freq = a370_get_tclk_freq,
.get_cpu_freq = a370_get_cpu_freq,
.get_clk_ratio = a370_get_clk_ratio,
.ratios = a370_coreclk_ratios,
.num_ratios = ARRAY_SIZE(a370_coreclk_ratios),
};
/*
* Clock Gating Control
*/
const struct clk_gating_soc_desc armada_370_gating_desc[] = {
{ "audio", NULL, 0 },
{ "pex0_en", NULL, 1 },
{ "pex1_en", NULL, 2 },
{ "ge1", NULL, 3 },
{ "ge0", NULL, 4 },
{ "pex0", "pex0_en", 5 },
{ "pex1", "pex1_en", 9 },
{ "sata0", NULL, 15 },
{ "sdio", NULL, 17 },
{ "tdm", NULL, 25 },
{ "ddr", NULL, 28 },
{ "sata1", NULL, 30 },
{ }
};

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@ -0,0 +1,194 @@
/*
* Marvell Armada XP SoC clocks
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <common.h>
#include <io.h>
#include "common.h"
/*
* Core Clocks
*
* Armada XP Sample At Reset is a 64 bit bitfiled split in two
* register of 32 bits
*/
#define SARL 0 /* Low part [0:31] */
#define SARL_AXP_PCLK_FREQ_OPT 21
#define SARL_AXP_PCLK_FREQ_OPT_MASK 0x7
#define SARL_AXP_FAB_FREQ_OPT 24
#define SARL_AXP_FAB_FREQ_OPT_MASK 0xF
#define SARH 4 /* High part [32:63] */
#define SARH_AXP_PCLK_FREQ_OPT (52-32)
#define SARH_AXP_PCLK_FREQ_OPT_MASK 0x1
#define SARH_AXP_PCLK_FREQ_OPT_SHIFT 3
#define SARH_AXP_FAB_FREQ_OPT (51-32)
#define SARH_AXP_FAB_FREQ_OPT_MASK 0x1
#define SARH_AXP_FAB_FREQ_OPT_SHIFT 4
enum { AXP_CPU_TO_NBCLK, AXP_CPU_TO_HCLK, AXP_CPU_TO_DRAMCLK };
static const struct coreclk_ratio axp_coreclk_ratios[] = {
{ .id = AXP_CPU_TO_NBCLK, .name = "nbclk" },
{ .id = AXP_CPU_TO_HCLK, .name = "hclk" },
{ .id = AXP_CPU_TO_DRAMCLK, .name = "dramclk" },
};
/* Armada XP TCLK frequency is fixed to 250MHz */
static u32 axp_get_tclk_freq(void __iomem *sar)
{
return 250000000;
}
static const u32 axp_cpu_freqs[] = {
1000000000,
1066000000,
1200000000,
1333000000,
1500000000,
1666000000,
1800000000,
2000000000,
667000000,
0,
800000000,
1600000000,
};
static u32 axp_get_cpu_freq(void __iomem *sar)
{
u32 cpu_freq;
u8 cpu_freq_select = 0;
cpu_freq_select = ((readl(sar + SARL) >> SARL_AXP_PCLK_FREQ_OPT) &
SARL_AXP_PCLK_FREQ_OPT_MASK);
/*
* The upper bit is not contiguous to the other ones and
* located in the high part of the SAR registers
*/
cpu_freq_select |= (((readl(sar + SARH) >> SARH_AXP_PCLK_FREQ_OPT) &
SARH_AXP_PCLK_FREQ_OPT_MASK) << SARH_AXP_PCLK_FREQ_OPT_SHIFT);
if (cpu_freq_select >= ARRAY_SIZE(axp_cpu_freqs)) {
pr_err("CPU freq select unsupported: %d\n", cpu_freq_select);
cpu_freq = 0;
} else
cpu_freq = axp_cpu_freqs[cpu_freq_select];
return cpu_freq;
}
static const int axp_nbclk_ratios[32][2] = {
{0, 1}, {1, 2}, {2, 2}, {2, 2},
{1, 2}, {1, 2}, {1, 1}, {2, 3},
{0, 1}, {1, 2}, {2, 4}, {0, 1},
{1, 2}, {0, 1}, {0, 1}, {2, 2},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{2, 3}, {0, 1}, {0, 1}, {0, 1},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{0, 1}, {0, 1}, {0, 1}, {0, 1},
};
static const int axp_hclk_ratios[32][2] = {
{0, 1}, {1, 2}, {2, 6}, {2, 3},
{1, 3}, {1, 4}, {1, 2}, {2, 6},
{0, 1}, {1, 6}, {2, 10}, {0, 1},
{1, 4}, {0, 1}, {0, 1}, {2, 5},
{0, 1}, {0, 1}, {0, 1}, {1, 2},
{2, 6}, {0, 1}, {0, 1}, {0, 1},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{0, 1}, {0, 1}, {0, 1}, {0, 1},
};
static const int axp_dramclk_ratios[32][2] = {
{0, 1}, {1, 2}, {2, 3}, {2, 3},
{1, 3}, {1, 2}, {1, 2}, {2, 6},
{0, 1}, {1, 3}, {2, 5}, {0, 1},
{1, 4}, {0, 1}, {0, 1}, {2, 5},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{2, 3}, {0, 1}, {0, 1}, {0, 1},
{0, 1}, {0, 1}, {0, 1}, {1, 1},
{0, 1}, {0, 1}, {0, 1}, {0, 1},
};
static void axp_get_clk_ratio(
void __iomem *sar, int id, int *mult, int *div)
{
u32 opt = ((readl(sar + SARL) >> SARL_AXP_FAB_FREQ_OPT) &
SARL_AXP_FAB_FREQ_OPT_MASK);
/*
* The upper bit is not contiguous to the other ones and
* located in the high part of the SAR registers
*/
opt |= (((readl(sar + SARH) >> SARH_AXP_FAB_FREQ_OPT) &
SARH_AXP_FAB_FREQ_OPT_MASK) << SARH_AXP_FAB_FREQ_OPT_SHIFT);
switch (id) {
case AXP_CPU_TO_NBCLK:
*mult = axp_nbclk_ratios[opt][0];
*div = axp_nbclk_ratios[opt][1];
break;
case AXP_CPU_TO_HCLK:
*mult = axp_hclk_ratios[opt][0];
*div = axp_hclk_ratios[opt][1];
break;
case AXP_CPU_TO_DRAMCLK:
*mult = axp_dramclk_ratios[opt][0];
*div = axp_dramclk_ratios[opt][1];
break;
}
}
const struct coreclk_soc_desc armada_xp_coreclks = {
.get_tclk_freq = axp_get_tclk_freq,
.get_cpu_freq = axp_get_cpu_freq,
.get_clk_ratio = axp_get_clk_ratio,
.ratios = axp_coreclk_ratios,
.num_ratios = ARRAY_SIZE(axp_coreclk_ratios),
};
/*
* Clock Gating Control
*/
const struct clk_gating_soc_desc armada_xp_gating_desc[] = {
{ "audio", NULL, 0 },
{ "ge3", NULL, 1 },
{ "ge2", NULL, 2 },
{ "ge1", NULL, 3 },
{ "ge0", NULL, 4 },
{ "pex00", NULL, 5 },
{ "pex01", NULL, 6 },
{ "pex02", NULL, 7 },
{ "pex03", NULL, 8 },
{ "pex10", NULL, 9 },
{ "pex11", NULL, 10 },
{ "pex12", NULL, 11 },
{ "pex13", NULL, 12 },
{ "bp", NULL, 13 },
{ "sata0lnk", NULL, 14 },
{ "sata0", "sata0lnk", 15 },
{ "lcd", NULL, 16 },
{ "sdio", NULL, 17 },
{ "usb0", NULL, 18 },
{ "usb1", NULL, 19 },
{ "usb2", NULL, 20 },
{ "xor0", NULL, 22 },
{ "crypto", NULL, 23 },
{ "tdm", NULL, 25 },
{ "pex20", NULL, 26 },
{ "pex30", NULL, 27 },
{ "xor1", NULL, 28 },
{ "sata1lnk", NULL, 29 },
{ "sata1", "sata1lnk", 30 },
{ }
};

208
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/*
* Marvell EBU SoC common clock handling
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <common.h>
#include <init.h>
#include <of.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include "common.h"
/*
* Core Clocks
*/
static struct clk_onecell_data clk_data;
static struct of_device_id mvebu_coreclk_ids[] = {
{ .compatible = "marvell,armada-370-core-clock",
.data = (u32)&armada_370_coreclks },
{ .compatible = "marvell,armada-xp-core-clock",
.data = (u32)&armada_xp_coreclks },
{ .compatible = "marvell,dove-core-clock",
.data = (u32)&dove_coreclks },
{ .compatible = "marvell,kirkwood-core-clock",
.data = (u32)&kirkwood_coreclks },
{ .compatible = "marvell,mv88f6180-core-clock",
.data = (u32)&mv88f6180_coreclks },
{ }
};
int mvebu_coreclk_probe(struct device_d *dev)
{
struct device_node *np = dev->device_node;
const struct of_device_id *match;
const struct coreclk_soc_desc *desc;
const char *tclk_name = "tclk";
const char *cpuclk_name = "cpuclk";
void __iomem *base;
unsigned long rate;
int n;
match = of_match_node(mvebu_coreclk_ids, np);
if (!match)
return -EINVAL;
desc = (const struct coreclk_soc_desc *)match->data;
/* Get SAR base address */
base = dev_request_mem_region(dev, 0);
if (!base)
return -EINVAL;
/* Allocate struct for TCLK, cpu clk, and core ratio clocks */
clk_data.clk_num = 2 + desc->num_ratios;
clk_data.clks = xzalloc(clk_data.clk_num * sizeof(struct clk *));
/* Register TCLK */
of_property_read_string_index(np, "clock-output-names", 0,
&tclk_name);
rate = desc->get_tclk_freq(base);
clk_data.clks[0] = clk_fixed(tclk_name, rate);
WARN_ON(IS_ERR(clk_data.clks[0]));
/* Register CPU clock */
of_property_read_string_index(np, "clock-output-names", 1,
&cpuclk_name);
rate = desc->get_cpu_freq(base);
clk_data.clks[1] = clk_fixed(cpuclk_name, rate);
WARN_ON(IS_ERR(clk_data.clks[1]));
/* Register fixed-factor clocks derived from CPU clock */
for (n = 0; n < desc->num_ratios; n++) {
const char *rclk_name = desc->ratios[n].name;
int mult, div;
of_property_read_string_index(np, "clock-output-names",
2+n, &rclk_name);
desc->get_clk_ratio(base, desc->ratios[n].id, &mult, &div);
clk_data.clks[2+n] = clk_fixed_factor(rclk_name, cpuclk_name,
mult, div);
WARN_ON(IS_ERR(clk_data.clks[2+n]));
};
return of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
static struct driver_d mvebu_coreclk_driver = {
.probe = mvebu_coreclk_probe,
.name = "mvebu-core-clk",
.of_compatible = DRV_OF_COMPAT(mvebu_coreclk_ids),
};
static int mvebu_coreclk_init(void)
{
return platform_driver_register(&mvebu_coreclk_driver);
}
core_initcall(mvebu_coreclk_init);
/*
* Clock Gating Control
*/
struct gate {
struct clk *clk;
int bit_idx;
};
struct clk_gating_ctrl {
struct gate *gates;
int num_gates;
};
static struct clk *clk_gating_get_src(
struct of_phandle_args *clkspec, void *data)
{
struct clk_gating_ctrl *ctrl = (struct clk_gating_ctrl *)data;
int n;
if (clkspec->args_count < 1)
return ERR_PTR(-EINVAL);
for (n = 0; n < ctrl->num_gates; n++) {
if (clkspec->args[0] == ctrl->gates[n].bit_idx)
return ctrl->gates[n].clk;
}
return ERR_PTR(-ENODEV);
}
static struct of_device_id mvebu_clk_gating_ids[] = {
{ .compatible = "marvell,armada-370-gating-clock",
.data = (u32)&armada_370_gating_desc },
{ .compatible = "marvell,armada-xp-gating-clock",
.data = (u32)&armada_xp_gating_desc },
{ .compatible = "marvell,dove-gating-clock",
.data = (u32)&dove_gating_desc },
{ .compatible = "marvell,kirkwood-gating-clock",
.data = (u32)&kirkwood_gating_desc },
{ }
};
int mvebu_clk_gating_probe(struct device_d *dev)
{
struct device_node *np = dev->device_node;
const struct of_device_id *match;
const struct clk_gating_soc_desc *desc;
struct clk_gating_ctrl *ctrl;
struct gate *gate;
struct clk *clk;
void __iomem *base;
const char *default_parent = NULL;
int n;
match = of_match_node(mvebu_clk_gating_ids, np);
if (!match)
return -EINVAL;
desc = (const struct clk_gating_soc_desc *)match->data;
base = dev_request_mem_region(dev, 0);
if (!base)
return -EINVAL;
clk = of_clk_get(np, 0);
if (IS_ERR(clk))
return -EINVAL;
default_parent = clk->name;
ctrl = xzalloc(sizeof(*ctrl));
/* Count, allocate, and register clock gates */
for (n = 0; desc[n].name;)
n++;
ctrl->num_gates = n;
ctrl->gates = xzalloc(ctrl->num_gates * sizeof(*gate));
for (n = 0, gate = ctrl->gates; n < ctrl->num_gates; n++, gate++) {
const char *parent =
(desc[n].parent) ? desc[n].parent : default_parent;
gate->bit_idx = desc[n].bit_idx;
gate->clk = clk_gate(desc[n].name, parent,
base, desc[n].bit_idx);
WARN_ON(IS_ERR(gate->clk));
}
return of_clk_add_provider(np, clk_gating_get_src, ctrl);
}
static struct driver_d mvebu_clk_gating_driver = {
.probe = mvebu_clk_gating_probe,
.name = "mvebu-clk-gating",
.of_compatible = DRV_OF_COMPAT(mvebu_clk_gating_ids),
};
static int mvebu_clk_gating_init(void)
{
return platform_driver_register(&mvebu_clk_gating_driver);
}
postcore_initcall(mvebu_clk_gating_init);

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/*
* Marvell EBU SoC common clock handling
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __CLK_MVEBU_COMMON_H_
#define __CLK_MVEBU_COMMON_H_
struct coreclk_ratio {
int id;
const char *name;
};
struct coreclk_soc_desc {
u32 (*get_tclk_freq)(void __iomem *sar);
u32 (*get_cpu_freq)(void __iomem *sar);
void (*get_clk_ratio)(void __iomem *sar, int id, int *mult, int *div);
const struct coreclk_ratio *ratios;
int num_ratios;
};
struct clk_gating_soc_desc {
const char *name;
const char *parent;
int bit_idx;
};
#ifdef CONFIG_ARCH_ARMADA_370
extern const struct coreclk_soc_desc armada_370_coreclks;
extern const struct clk_gating_soc_desc armada_370_gating_desc[];
#else
static const u32 armada_370_coreclks;
static const u32 armada_370_gating_desc;
#endif
#ifdef CONFIG_ARCH_ARMADA_XP
extern const struct coreclk_soc_desc armada_xp_coreclks;
extern const struct clk_gating_soc_desc armada_xp_gating_desc[];
#else
static const u32 armada_xp_coreclks;
static const u32 armada_xp_gating_desc;
#endif
#ifdef CONFIG_ARCH_DOVE
extern const struct coreclk_soc_desc dove_coreclks;
extern const struct clk_gating_soc_desc dove_gating_desc[];
#else
static const u32 dove_coreclks;
static const u32 dove_gating_desc;
#endif
#ifdef CONFIG_ARCH_KIRKWOOD
extern const struct coreclk_soc_desc kirkwood_coreclks;
extern const struct coreclk_soc_desc mv88f6180_coreclks;
extern const struct clk_gating_soc_desc kirkwood_gating_desc[];
#else
static const u32 kirkwood_coreclks;
static const u32 mv88f6180_coreclks;
static const u32 kirkwood_gating_desc;
#endif
#endif

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/*
* Marvell Dove SoC clocks
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <common.h>
#include <io.h>
#include "common.h"
/*
* Core Clocks
*
* Dove PLL sample-at-reset configuration
*
* SAR0[8:5] : CPU frequency
* 5 = 1000 MHz
* 6 = 933 MHz
* 7 = 933 MHz
* 8 = 800 MHz
* 9 = 800 MHz
* 10 = 800 MHz
* 11 = 1067 MHz
* 12 = 667 MHz
* 13 = 533 MHz
* 14 = 400 MHz
* 15 = 333 MHz
* others reserved.
*
* SAR0[11:9] : CPU to L2 Clock divider ratio
* 0 = (1/1) * CPU
* 2 = (1/2) * CPU
* 4 = (1/3) * CPU
* 6 = (1/4) * CPU
* others reserved.
*
* SAR0[15:12] : CPU to DDR DRAM Clock divider ratio
* 0 = (1/1) * CPU
* 2 = (1/2) * CPU
* 3 = (2/5) * CPU
* 4 = (1/3) * CPU
* 6 = (1/4) * CPU
* 8 = (1/5) * CPU
* 10 = (1/6) * CPU
* 12 = (1/7) * CPU
* 14 = (1/8) * CPU
* 15 = (1/10) * CPU
* others reserved.
*
* SAR0[24:23] : TCLK frequency
* 0 = 166 MHz
* 1 = 125 MHz
* others reserved.
*/
#define SAR_DOVE_CPU_FREQ 5
#define SAR_DOVE_CPU_FREQ_MASK 0xf
#define SAR_DOVE_L2_RATIO 9
#define SAR_DOVE_L2_RATIO_MASK 0x7
#define SAR_DOVE_DDR_RATIO 12
#define SAR_DOVE_DDR_RATIO_MASK 0xf
#define SAR_DOVE_TCLK_FREQ 23
#define SAR_DOVE_TCLK_FREQ_MASK 0x3
enum { DOVE_CPU_TO_L2, DOVE_CPU_TO_DDR };
static const struct coreclk_ratio dove_coreclk_ratios[] = {
{ .id = DOVE_CPU_TO_L2, .name = "l2clk", },
{ .id = DOVE_CPU_TO_DDR, .name = "ddrclk", }
};
static const u32 dove_tclk_freqs[] = {
166666667,
125000000,
0, 0
};
static u32 dove_get_tclk_freq(void __iomem *sar)
{
u32 opt = (readl(sar) >> SAR_DOVE_TCLK_FREQ) &
SAR_DOVE_TCLK_FREQ_MASK;
return dove_tclk_freqs[opt];
}
static const u32 dove_cpu_freqs[] = {
0, 0, 0, 0, 0,
1000000000,
933333333, 933333333,
800000000, 800000000, 800000000,
1066666667,
666666667,
533333333,
400000000,
333333333
};
static u32 dove_get_cpu_freq(void __iomem *sar)
{
u32 opt = (readl(sar) >> SAR_DOVE_CPU_FREQ) &
SAR_DOVE_CPU_FREQ_MASK;
return dove_cpu_freqs[opt];
}
static const int dove_cpu_l2_ratios[8][2] = {
{ 1, 1 }, { 0, 1 }, { 1, 2 }, { 0, 1 },
{ 1, 3 }, { 0, 1 }, { 1, 4 }, { 0, 1 }
};
static const int dove_cpu_ddr_ratios[16][2] = {
{ 1, 1 }, { 0, 1 }, { 1, 2 }, { 2, 5 },
{ 1, 3 }, { 0, 1 }, { 1, 4 }, { 0, 1 },
{ 1, 5 }, { 0, 1 }, { 1, 6 }, { 0, 1 },
{ 1, 7 }, { 0, 1 }, { 1, 8 }, { 1, 10 }
};
static void dove_get_clk_ratio(
void __iomem *sar, int id, int *mult, int *div)
{
switch (id) {
case DOVE_CPU_TO_L2:
{
u32 opt = (readl(sar) >> SAR_DOVE_L2_RATIO) &
SAR_DOVE_L2_RATIO_MASK;
*mult = dove_cpu_l2_ratios[opt][0];
*div = dove_cpu_l2_ratios[opt][1];
break;
}
case DOVE_CPU_TO_DDR:
{
u32 opt = (readl(sar) >> SAR_DOVE_DDR_RATIO) &
SAR_DOVE_DDR_RATIO_MASK;
*mult = dove_cpu_ddr_ratios[opt][0];
*div = dove_cpu_ddr_ratios[opt][1];
break;
}
}
}
const struct coreclk_soc_desc dove_coreclks = {
.get_tclk_freq = dove_get_tclk_freq,
.get_cpu_freq = dove_get_cpu_freq,
.get_clk_ratio = dove_get_clk_ratio,
.ratios = dove_coreclk_ratios,
.num_ratios = ARRAY_SIZE(dove_coreclk_ratios),
};
/*
* Clock Gating Control
*/
const struct clk_gating_soc_desc dove_gating_desc[] = {
{ "usb0", NULL, 0 },
{ "usb1", NULL, 1 },
{ "ge", "gephy", 2 },
{ "sata", NULL, 3 },
{ "pex0", NULL, 4 },
{ "pex1", NULL, 5 },
{ "sdio0", NULL, 8 },
{ "sdio1", NULL, 9 },
{ "nand", NULL, 10 },
{ "camera", NULL, 11 },
{ "i2s0", NULL, 12 },
{ "i2s1", NULL, 13 },
{ "crypto", NULL, 15 },
{ "ac97", NULL, 21 },
{ "pdma", NULL, 22 },
{ "xor0", NULL, 23 },
{ "xor1", NULL, 24 },
{ "gephy", NULL, 30 },
{ }
};

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/*
* Marvell Kirkwood SoC clocks
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <common.h>
#include <io.h>
#include "common.h"
/*
* Core Clocks
*
* Kirkwood PLL sample-at-reset configuration
* (6180 has different SAR layout than other Kirkwood SoCs)
*
* SAR0[4:3,22,1] : CPU frequency (6281,6292,6282)
* 4 = 600 MHz
* 6 = 800 MHz
* 7 = 1000 MHz
* 9 = 1200 MHz
* 12 = 1500 MHz
* 13 = 1600 MHz
* 14 = 1800 MHz
* 15 = 2000 MHz
* others reserved.
*
* SAR0[19,10:9] : CPU to L2 Clock divider ratio (6281,6292,6282)
* 1 = (1/2) * CPU
* 3 = (1/3) * CPU
* 5 = (1/4) * CPU
* others reserved.
*
* SAR0[8:5] : CPU to DDR DRAM Clock divider ratio (6281,6292,6282)
* 2 = (1/2) * CPU
* 4 = (1/3) * CPU
* 6 = (1/4) * CPU
* 7 = (2/9) * CPU
* 8 = (1/5) * CPU
* 9 = (1/6) * CPU
* others reserved.
*
* SAR0[4:2] : Kirkwood 6180 cpu/l2/ddr clock configuration (6180 only)
* 5 = [CPU = 600 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/3) * CPU]
* 6 = [CPU = 800 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/4) * CPU]
* 7 = [CPU = 1000 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/5) * CPU]
* others reserved.
*
* SAR0[21] : TCLK frequency
* 0 = 200 MHz
* 1 = 166 MHz
* others reserved.
*/
#define SAR_KIRKWOOD_CPU_FREQ(x) \
(((x & (1 << 1)) >> 1) | \
((x & (1 << 22)) >> 21) | \
((x & (3 << 3)) >> 1))
#define SAR_KIRKWOOD_L2_RATIO(x) \
(((x & (3 << 9)) >> 9) | \
(((x & (1 << 19)) >> 17)))
#define SAR_KIRKWOOD_DDR_RATIO 5
#define SAR_KIRKWOOD_DDR_RATIO_MASK 0xf
#define SAR_MV88F6180_CLK 2
#define SAR_MV88F6180_CLK_MASK 0x7
#define SAR_KIRKWOOD_TCLK_FREQ 21
#define SAR_KIRKWOOD_TCLK_FREQ_MASK 0x1
enum { KIRKWOOD_CPU_TO_L2, KIRKWOOD_CPU_TO_DDR };
static const struct coreclk_ratio kirkwood_coreclk_ratios[] = {
{ .id = KIRKWOOD_CPU_TO_L2, .name = "l2clk", },
{ .id = KIRKWOOD_CPU_TO_DDR, .name = "ddrclk", }
};
static u32 kirkwood_get_tclk_freq(void __iomem *sar)
{
u32 opt = (readl(sar) >> SAR_KIRKWOOD_TCLK_FREQ) &
SAR_KIRKWOOD_TCLK_FREQ_MASK;
return (opt) ? 166666667 : 200000000;
}
static const u32 kirkwood_cpu_freqs[] = {
0, 0, 0, 0,
600000000,
0,
800000000,
1000000000,
0,
1200000000,
0, 0,
1500000000,
1600000000,
1800000000,
2000000000
};
static u32 kirkwood_get_cpu_freq(void __iomem *sar)
{
u32 opt = SAR_KIRKWOOD_CPU_FREQ(readl(sar));
return kirkwood_cpu_freqs[opt];
}
static const int kirkwood_cpu_l2_ratios[8][2] = {
{ 0, 1 }, { 1, 2 }, { 0, 1 }, { 1, 3 },
{ 0, 1 }, { 1, 4 }, { 0, 1 }, { 0, 1 }
};
static const int kirkwood_cpu_ddr_ratios[16][2] = {
{ 0, 1 }, { 0, 1 }, { 1, 2 }, { 0, 1 },
{ 1, 3 }, { 0, 1 }, { 1, 4 }, { 2, 9 },
{ 1, 5 }, { 1, 6 }, { 0, 1 }, { 0, 1 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }
};
static void kirkwood_get_clk_ratio(
void __iomem *sar, int id, int *mult, int *div)
{
switch (id) {
case KIRKWOOD_CPU_TO_L2:
{
u32 opt = SAR_KIRKWOOD_L2_RATIO(readl(sar));
*mult = kirkwood_cpu_l2_ratios[opt][0];
*div = kirkwood_cpu_l2_ratios[opt][1];
break;
}
case KIRKWOOD_CPU_TO_DDR:
{
u32 opt = (readl(sar) >> SAR_KIRKWOOD_DDR_RATIO) &
SAR_KIRKWOOD_DDR_RATIO_MASK;
*mult = kirkwood_cpu_ddr_ratios[opt][0];
*div = kirkwood_cpu_ddr_ratios[opt][1];
break;
}
}
}
static const u32 mv88f6180_cpu_freqs[] = {
0, 0, 0, 0, 0,
600000000,
800000000,
1000000000
};
static u32 mv88f6180_get_cpu_freq(void __iomem *sar)
{
u32 opt = (readl(sar) >> SAR_MV88F6180_CLK) & SAR_MV88F6180_CLK_MASK;
return mv88f6180_cpu_freqs[opt];
}
static const int mv88f6180_cpu_ddr_ratios[8][2] = {
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
{ 0, 1 }, { 1, 3 }, { 1, 4 }, { 1, 5 }
};
static void mv88f6180_get_clk_ratio(
void __iomem *sar, int id, int *mult, int *div)
{
switch (id) {
case KIRKWOOD_CPU_TO_L2:
{
/* mv88f6180 has a fixed 1:2 CPU-to-L2 ratio */
*mult = 1;
*div = 2;
break;
}
case KIRKWOOD_CPU_TO_DDR:
{
u32 opt = (readl(sar) >> SAR_MV88F6180_CLK) &
SAR_MV88F6180_CLK_MASK;
*mult = mv88f6180_cpu_ddr_ratios[opt][0];
*div = mv88f6180_cpu_ddr_ratios[opt][1];
break;
}
}
}
const struct coreclk_soc_desc kirkwood_coreclks = {
.get_tclk_freq = kirkwood_get_tclk_freq,
.get_cpu_freq = kirkwood_get_cpu_freq,
.get_clk_ratio = kirkwood_get_clk_ratio,
.ratios = kirkwood_coreclk_ratios,
.num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios),
};
const struct coreclk_soc_desc mv88f6180_coreclks = {
.get_tclk_freq = kirkwood_get_tclk_freq,
.get_cpu_freq = mv88f6180_get_cpu_freq,
.get_clk_ratio = mv88f6180_get_clk_ratio,
.ratios = kirkwood_coreclk_ratios,
.num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios),
};
/*
* Clock Gating Control
*/
const struct clk_gating_soc_desc kirkwood_gating_desc[] = {
{ "ge0", NULL, 0 },
{ "pex0", NULL, 2 },
{ "usb0", NULL, 3 },
{ "sdio", NULL, 4 },
{ "tsu", NULL, 5 },
{ "runit", NULL, 7 },
{ "xor0", NULL, 8 },
{ "audio", NULL, 9 },
{ "powersave", "cpuclk", 11 },
{ "sata0", NULL, 14 },
{ "sata1", NULL, 15 },
{ "xor1", NULL, 16 },
{ "crypto", NULL, 17 },
{ "pex1", NULL, 18 },
{ "ge1", NULL, 19 },
{ "tdm", NULL, 20 },
{ }
};

2
images/.gitignore vendored
View File

@ -5,6 +5,8 @@
*.imximg
*.map
*.src
*.kwbimg
*.kwbuartimg
pbl.lds
barebox.x
barebox.z

View File

@ -107,6 +107,7 @@ $(obj)/%.img: $(obj)/$$(FILE_$$(@F))
$(call if_changed,shipped)
include $(srctree)/images/Makefile.imx
include $(srctree)/images/Makefile.mvebu
targets += $(image-y) pbl.lds barebox.x barebox.z
targets += $(patsubst %,%.pblx,$(pblx-y))
@ -120,5 +121,6 @@ SECONDARY: $(addprefix $(obj)/,$(targets))
images: $(addprefix $(obj)/, $(image-y)) FORCE
@echo "images built:\n" $(patsubst %,%\\n,$(image-y))
clean-files := *.pbl *.pblb *.pblx *.map start_*.imximg *.img barebox.z
clean-files := *.pbl *.pblb *.pblx *.map start_*.imximg *.img barebox.z start_*.kwbimg \
start_*.kwbuartimg
clean-files += pbl.lds

26
images/Makefile.mvebu Normal file
View File

@ -0,0 +1,26 @@
#
# barebox image generation Makefile for Marvell mvebu
#
# %.kwbimg - convert into kwb image
# ----------------------------------------------------------------
$(obj)/%.kwbimg: $(obj)/% FORCE
$(call if_changed,kwb_image)
$(obj)/%.kwbuartimg: $(obj)/% FORCE
$(call if_changed,kwb_image)
board = $(srctree)/arch/$(ARCH)/boards
# ----------------------- Dove 88AP510 based boards ---------------------------
SOLIDRUN_CUBOX_KWBOPTS = -c -i $(board)/solidrun-cubox/kwbimage.cfg -d 0x1000000 -e 0x1000000
pblx-$(CONFIG_MACH_SOLIDRUN_CUBOX) += start_solidrun_cubox
OPTS_start_solidrun_cubox.pblx.kwbimg = $(SOLIDRUN_CUBOX_KWBOPTS)
FILE_barebox-solidrun-cubox.img = start_solidrun_cubox.pblx.kwbimg
image-$(CONFIG_MACH_SOLIDRUN_CUBOX) += barebox-solidrun-cubox.img
OPTS_start_solidrun_cubox.pblx.kwbuartimg = -m uart $(SOLIDRUN_CUBOX_KWBOPTS)
FILE_barebox-solidrun-cubox-uart.img = start_solidrun_cubox.pblx.kwbuartimg
image-$(CONFIG_MACH_SOLIDRUN_CUBOX) += barebox-solidrun-cubox-uart.img
FILE_barebox-solidrun-cubox-2nd.img = start_solidrun_cubox.pblx
image-$(CONFIG_MACH_SOLIDRUN_CUBOX) += barebox-solidrun-cubox-2nd.img

View File

@ -343,3 +343,6 @@ imximg-tmp = $(subst $(comma),_,$(dot-target).imxcfg.tmp)
quiet_cmd_imx_image = IMX-IMG $@
cmd_imx_image = $(CPP) $(imxcfg_cpp_flags) -o $(imximg-tmp) $(CFG_$(@F)) ; \
$(objtree)/scripts/imx/imx-image -o $@ -b -c $(imximg-tmp) -f $<
quiet_cmd_kwb_image = KWB $@
cmd_kwb_image = scripts/kwbimage -p $< $(OPTS_$(@F)) -o $@