aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-kirkwood/common.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
-rw-r--r--arch/arm/mach-kirkwood/common.c156
1 files changed, 102 insertions, 54 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index c4b64adcbfc..255f33a3903 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -18,41 +18,38 @@
#include <linux/clk-provider.h>
#include <linux/spinlock.h>
#include <linux/mv643xx_i2c.h>
+#include <linux/timex.h>
+#include <linux/kexec.h>
+#include <linux/reboot.h>
#include <net/dsa.h>
#include <asm/page.h>
-#include <asm/timex.h>
-#include <asm/kexec.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
+#include <asm/hardware/cache-feroceon-l2.h>
#include <mach/kirkwood.h>
#include <mach/bridge-regs.h>
-#include <plat/audio.h>
-#include <plat/cache-feroceon-l2.h>
-#include <plat/mvsdio.h>
-#include <plat/orion_nand.h>
-#include <plat/ehci-orion.h>
+#include <linux/platform_data/asoc-kirkwood.h>
+#include <linux/platform_data/mmc-mvsdio.h>
+#include <linux/platform_data/mtd-orion_nand.h>
+#include <linux/platform_data/usb-ehci-orion.h>
#include <plat/common.h>
#include <plat/time.h>
-#include <plat/addr-map.h>
-#include <plat/mv_xor.h>
+#include <linux/platform_data/dma-mv_xor.h>
#include "common.h"
+#include "pm.h"
+
+/* These can go away once Kirkwood uses the mvebu-mbus DT binding */
+#define KIRKWOOD_MBUS_NAND_TARGET 0x01
+#define KIRKWOOD_MBUS_NAND_ATTR 0x2f
+#define KIRKWOOD_MBUS_SRAM_TARGET 0x03
+#define KIRKWOOD_MBUS_SRAM_ATTR 0x01
/*****************************************************************************
* I/O Address Mapping
****************************************************************************/
static struct map_desc kirkwood_io_desc[] __initdata = {
{
- .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE,
- .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
- .length = KIRKWOOD_PCIE_IO_SIZE,
- .type = MT_DEVICE,
- }, {
- .virtual = KIRKWOOD_PCIE1_IO_VIRT_BASE,
- .pfn = __phys_to_pfn(KIRKWOOD_PCIE1_IO_PHYS_BASE),
- .length = KIRKWOOD_PCIE1_IO_SIZE,
- .type = MT_DEVICE,
- }, {
- .virtual = KIRKWOOD_REGS_VIRT_BASE,
+ .virtual = (unsigned long) KIRKWOOD_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
.length = KIRKWOOD_REGS_SIZE,
.type = MT_DEVICE,
@@ -215,8 +212,7 @@ static struct clk *tclk;
static struct clk __init *kirkwood_register_gate(const char *name, u8 bit_idx)
{
- return clk_register_gate(NULL, name, "tclk", 0,
- (void __iomem *)CLOCK_GATING_CTRL,
+ return clk_register_gate(NULL, name, "tclk", 0, CLOCK_GATING_CTRL,
bit_idx, 0, &gating_lock);
}
@@ -225,8 +221,7 @@ static struct clk __init *kirkwood_register_gate_fn(const char *name,
void (*fn_en)(void),
void (*fn_dis)(void))
{
- return clk_register_gate_fn(NULL, name, "tclk", 0,
- (void __iomem *)CLOCK_GATING_CTRL,
+ return clk_register_gate_fn(NULL, name, "tclk", 0, CLOCK_GATING_CTRL,
bit_idx, 0, &gating_lock, fn_en, fn_dis);
}
@@ -272,12 +267,13 @@ void __init kirkwood_clk_init(void)
orion_clkdev_add(NULL, "orion_nand", runit);
orion_clkdev_add(NULL, "mvsdio", sdio);
orion_clkdev_add(NULL, "mv_crypto", crypto);
- orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".0", xor0);
- orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".1", xor1);
+ orion_clkdev_add(NULL, MV_XOR_NAME ".0", xor0);
+ orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1);
orion_clkdev_add("0", "pcie", pex0);
orion_clkdev_add("1", "pcie", pex1);
- orion_clkdev_add(NULL, "kirkwood-i2s", audio);
+ orion_clkdev_add(NULL, "mvebu-audio", audio);
orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", runit);
+ orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".1", runit);
/* Marvell says runit is used by SPI, UART, NAND, TWSI, ...,
* so should never be gated.
@@ -301,7 +297,7 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
{
orion_ge00_init(eth_data,
GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM,
- IRQ_KIRKWOOD_GE00_ERR);
+ IRQ_KIRKWOOD_GE00_ERR, 1600);
/* The interface forgets the MAC address assigned by u-boot if
the clock is turned off, so claim the clk now. */
clk_prepare_enable(ge0);
@@ -315,7 +311,7 @@ void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
{
orion_ge01_init(eth_data,
GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM,
- IRQ_KIRKWOOD_GE01_ERR);
+ IRQ_KIRKWOOD_GE01_ERR, 1600);
clk_prepare_enable(ge1);
}
@@ -437,7 +433,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
/*****************************************************************************
* SPI
****************************************************************************/
-void __init kirkwood_spi_init()
+void __init kirkwood_spi_init(void)
{
orion_spi_init(SPI_PHYS_BASE);
}
@@ -510,6 +506,28 @@ void __init kirkwood_wdt_init(void)
orion_wdt_init();
}
+/*****************************************************************************
+ * CPU idle
+ ****************************************************************************/
+static struct resource kirkwood_cpuidle_resource[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ .start = DDR_OPERATION_BASE,
+ .end = DDR_OPERATION_BASE + 3,
+ },
+};
+
+static struct platform_device kirkwood_cpuidle = {
+ .name = "kirkwood_cpuidle",
+ .id = -1,
+ .resource = kirkwood_cpuidle_resource,
+ .num_resources = 1,
+};
+
+void __init kirkwood_cpuidle_init(void)
+{
+ platform_device_register(&kirkwood_cpuidle);
+}
/*****************************************************************************
* Time handling
@@ -534,7 +552,7 @@ static int __init kirkwood_find_tclk(void)
return 166666667;
}
-static void __init kirkwood_timer_init(void)
+void __init kirkwood_timer_init(void)
{
kirkwood_tclk = kirkwood_find_tclk();
@@ -542,14 +560,10 @@ static void __init kirkwood_timer_init(void)
IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
}
-struct sys_timer kirkwood_timer = {
- .init = kirkwood_timer_init,
-};
-
/*****************************************************************************
* Audio
****************************************************************************/
-static struct resource kirkwood_i2s_resources[] = {
+static struct resource kirkwood_audio_resources[] = {
[0] = {
.start = AUDIO_PHYS_BASE,
.end = AUDIO_PHYS_BASE + SZ_16K - 1,
@@ -562,29 +576,46 @@ static struct resource kirkwood_i2s_resources[] = {
},
};
-static struct kirkwood_asoc_platform_data kirkwood_i2s_data = {
+static struct kirkwood_asoc_platform_data kirkwood_audio_data = {
.burst = 128,
};
-static struct platform_device kirkwood_i2s_device = {
- .name = "kirkwood-i2s",
+static struct platform_device kirkwood_audio_device = {
+ .name = "mvebu-audio",
.id = -1,
- .num_resources = ARRAY_SIZE(kirkwood_i2s_resources),
- .resource = kirkwood_i2s_resources,
+ .num_resources = ARRAY_SIZE(kirkwood_audio_resources),
+ .resource = kirkwood_audio_resources,
.dev = {
- .platform_data = &kirkwood_i2s_data,
+ .platform_data = &kirkwood_audio_data,
+ },
+};
+
+void __init kirkwood_audio_init(void)
+{
+ platform_device_register(&kirkwood_audio_device);
+}
+
+/*****************************************************************************
+ * CPU Frequency
+ ****************************************************************************/
+static struct resource kirkwood_cpufreq_resources[] = {
+ [0] = {
+ .start = CPU_CONTROL_PHYS,
+ .end = CPU_CONTROL_PHYS + 3,
+ .flags = IORESOURCE_MEM,
},
};
-static struct platform_device kirkwood_pcm_device = {
- .name = "kirkwood-pcm-audio",
+static struct platform_device kirkwood_cpufreq_device = {
+ .name = "kirkwood-cpufreq",
.id = -1,
+ .num_resources = ARRAY_SIZE(kirkwood_cpufreq_resources),
+ .resource = kirkwood_cpufreq_resources,
};
-void __init kirkwood_audio_init(void)
+void __init kirkwood_cpufreq_init(void)
{
- platform_device_register(&kirkwood_i2s_device);
- platform_device_register(&kirkwood_pcm_device);
+ platform_device_register(&kirkwood_cpufreq_device);
}
/*****************************************************************************
@@ -636,8 +667,21 @@ char * __init kirkwood_id(void)
}
}
+void __init kirkwood_setup_wins(void)
+{
+ mvebu_mbus_add_window_by_id(KIRKWOOD_MBUS_NAND_TARGET,
+ KIRKWOOD_MBUS_NAND_ATTR,
+ KIRKWOOD_NAND_MEM_PHYS_BASE,
+ KIRKWOOD_NAND_MEM_SIZE);
+ mvebu_mbus_add_window_by_id(KIRKWOOD_MBUS_SRAM_TARGET,
+ KIRKWOOD_MBUS_SRAM_ATTR,
+ KIRKWOOD_SRAM_PHYS_BASE,
+ KIRKWOOD_SRAM_SIZE);
+}
+
void __init kirkwood_l2_init(void)
{
+#ifdef CONFIG_CACHE_FEROCEON_L2
#ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
feroceon_l2_init(1);
@@ -645,12 +689,12 @@ void __init kirkwood_l2_init(void)
writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
feroceon_l2_init(0);
#endif
+#endif
}
void __init kirkwood_init(void)
{
- printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
- kirkwood_id(), kirkwood_tclk);
+ pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
/*
* Disable propagation of mbus errors to the CPU local bus,
@@ -660,11 +704,13 @@ void __init kirkwood_init(void)
*/
writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
- kirkwood_setup_cpu_mbus();
+ BUG_ON(mvebu_mbus_init("marvell,kirkwood-mbus",
+ BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
+ DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ));
+
+ kirkwood_setup_wins();
-#ifdef CONFIG_CACHE_FEROCEON_L2
kirkwood_l2_init();
-#endif
/* Setup root of clk tree */
kirkwood_clk_init();
@@ -676,12 +722,14 @@ void __init kirkwood_init(void)
kirkwood_xor1_init();
kirkwood_crypto_init();
-#ifdef CONFIG_KEXEC
+ kirkwood_pm_init();
+ kirkwood_cpuidle_init();
+#ifdef CONFIG_KEXEC
kexec_reinit = kirkwood_enable_pcie;
#endif
}
-void kirkwood_restart(char mode, const char *cmd)
+void kirkwood_restart(enum reboot_mode mode, const char *cmd)
{
/*
* Enable soft reset to assert RSTOUTn.
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-17 10:49:16 +0000