#include <linux/serial_8250.h>
#include <linux/mbus.h>
#include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
+#include <linux/mtd/nand.h>
#include <linux/spi/orion_spi.h>
+#include <net/dsa.h>
#include <asm/page.h>
#include <asm/timex.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/kirkwood.h>
+#include <mach/bridge-regs.h>
#include <plat/cache-feroceon-l2.h>
#include <plat/ehci-orion.h>
+#include <plat/mvsdio.h>
#include <plat/mv_xor.h>
#include <plat/orion_nand.h>
+#include <plat/orion_wdt.h>
#include <plat/time.h>
#include "common.h"
iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
}
+/*
+ * Default clock control bits. Any bit _not_ set in this variable
+ * will be cleared from the hardware after platform devices have been
+ * registered. Some reserved bits must be set to 1.
+ */
+unsigned int kirkwood_clk_ctrl = CGC_DUNIT | CGC_RESERVED;
+
/*****************************************************************************
* EHCI
****************************************************************************/
static struct orion_ehci_data kirkwood_ehci_data = {
.dram = &kirkwood_mbus_dram_info,
+ .phy_version = EHCI_PHY_NA,
};
static u64 ehci_dmamask = 0xffffffffUL;
void __init kirkwood_ehci_init(void)
{
+ kirkwood_clk_ctrl |= CGC_USB0;
platform_device_register(&kirkwood_ehci);
}
.id = 0,
.num_resources = 1,
.resource = kirkwood_ge00_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
{
+ kirkwood_clk_ctrl |= CGC_GE0;
eth_data->shared = &kirkwood_ge00_shared;
kirkwood_ge00.dev.platform_data = eth_data;
/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
+ .dram = &kirkwood_mbus_dram_info,
+ .shared_smi = &kirkwood_ge00_shared,
+};
+
+static struct resource kirkwood_ge01_shared_resources[] = {
+ {
+ .name = "ge01 base",
+ .start = GE01_PHYS_BASE + 0x2000,
+ .end = GE01_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "ge01 err irq",
+ .start = IRQ_KIRKWOOD_GE01_ERR,
+ .end = IRQ_KIRKWOOD_GE01_ERR,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_ge01_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &kirkwood_ge01_shared_data,
+ },
+ .num_resources = ARRAY_SIZE(kirkwood_ge01_shared_resources),
+ .resource = kirkwood_ge01_shared_resources,
+};
+
+static struct resource kirkwood_ge01_resources[] = {
+ {
+ .name = "ge01 irq",
+ .start = IRQ_KIRKWOOD_GE01_SUM,
+ .end = IRQ_KIRKWOOD_GE01_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_ge01 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 1,
+ .resource = kirkwood_ge01_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ kirkwood_clk_ctrl |= CGC_GE1;
+ eth_data->shared = &kirkwood_ge01_shared;
+ kirkwood_ge01.dev.platform_data = eth_data;
+
+ platform_device_register(&kirkwood_ge01_shared);
+ platform_device_register(&kirkwood_ge01);
+}
+
+
+/*****************************************************************************
+ * Ethernet switch
+ ****************************************************************************/
+static struct resource kirkwood_switch_resources[] = {
+ {
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_switch_device = {
+ .name = "dsa",
+ .id = 0,
+ .num_resources = 0,
+ .resource = kirkwood_switch_resources,
+};
+
+void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
+{
+ int i;
+
+ if (irq != NO_IRQ) {
+ kirkwood_switch_resources[0].start = irq;
+ kirkwood_switch_resources[0].end = irq;
+ kirkwood_switch_device.num_resources = 1;
+ }
+
+ d->netdev = &kirkwood_ge00.dev;
+ for (i = 0; i < d->nr_chips; i++)
+ d->chip[i].mii_bus = &kirkwood_ge00_shared.dev;
+ kirkwood_switch_device.dev.platform_data = d;
+
+ platform_device_register(&kirkwood_switch_device);
+}
+
+
+/*****************************************************************************
+ * NAND flash
+ ****************************************************************************/
+static struct resource kirkwood_nand_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = KIRKWOOD_NAND_MEM_PHYS_BASE,
+ .end = KIRKWOOD_NAND_MEM_PHYS_BASE +
+ KIRKWOOD_NAND_MEM_SIZE - 1,
+};
+
+static struct orion_nand_data kirkwood_nand_data = {
+ .cle = 0,
+ .ale = 1,
+ .width = 8,
+};
+
+static struct platform_device kirkwood_nand_flash = {
+ .name = "orion_nand",
+ .id = -1,
+ .dev = {
+ .platform_data = &kirkwood_nand_data,
+ },
+ .resource = &kirkwood_nand_resource,
+ .num_resources = 1,
+};
+
+void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts,
+ int chip_delay)
+{
+ kirkwood_clk_ctrl |= CGC_RUNIT;
+ kirkwood_nand_data.parts = parts;
+ kirkwood_nand_data.nr_parts = nr_parts;
+ kirkwood_nand_data.chip_delay = chip_delay;
+ platform_device_register(&kirkwood_nand_flash);
+}
+
+
+/*****************************************************************************
* SoC RTC
****************************************************************************/
static struct resource kirkwood_rtc_resource = {
.flags = IORESOURCE_MEM,
};
-void __init kirkwood_rtc_init(void)
+static void __init kirkwood_rtc_init(void)
{
platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
}
void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
{
+ kirkwood_clk_ctrl |= CGC_SATA0;
+ if (sata_data->n_ports > 1)
+ kirkwood_clk_ctrl |= CGC_SATA1;
sata_data->dram = &kirkwood_mbus_dram_info;
kirkwood_sata.dev.platform_data = sata_data;
platform_device_register(&kirkwood_sata);
/*****************************************************************************
+ * SD/SDIO/MMC
+ ****************************************************************************/
+static struct resource mvsdio_resources[] = {
+ [0] = {
+ .start = SDIO_PHYS_BASE,
+ .end = SDIO_PHYS_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_KIRKWOOD_SDIO,
+ .end = IRQ_KIRKWOOD_SDIO,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 mvsdio_dmamask = 0xffffffffUL;
+
+static struct platform_device kirkwood_sdio = {
+ .name = "mvsdio",
+ .id = -1,
+ .dev = {
+ .dma_mask = &mvsdio_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(mvsdio_resources),
+ .resource = mvsdio_resources,
+};
+
+void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
+{
+ u32 dev, rev;
+
+ kirkwood_pcie_id(&dev, &rev);
+ if (rev == 0) /* catch all Kirkwood Z0's */
+ mvsdio_data->clock = 100000000;
+ else
+ mvsdio_data->clock = 200000000;
+ mvsdio_data->dram = &kirkwood_mbus_dram_info;
+ kirkwood_clk_ctrl |= CGC_SDIO;
+ kirkwood_sdio.dev.platform_data = mvsdio_data;
+ platform_device_register(&kirkwood_sdio);
+}
+
+
+/*****************************************************************************
* SPI
****************************************************************************/
static struct orion_spi_info kirkwood_spi_plat_data = {
void __init kirkwood_spi_init()
{
+ kirkwood_clk_ctrl |= CGC_RUNIT;
platform_device_register(&kirkwood_spi);
}
/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
+ .freq_m = 8, /* assumes 166 MHz TCLK */
+ .freq_n = 3,
+ .timeout = 1000, /* Default timeout of 1 second */
+};
+
+static struct resource kirkwood_i2c_resources[] = {
+ {
+ .start = I2C_PHYS_BASE,
+ .end = I2C_PHYS_BASE + 0x1f,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_KIRKWOOD_TWSI,
+ .end = IRQ_KIRKWOOD_TWSI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_i2c = {
+ .name = MV64XXX_I2C_CTLR_NAME,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(kirkwood_i2c_resources),
+ .resource = kirkwood_i2c_resources,
+ .dev = {
+ .platform_data = &kirkwood_i2c_pdata,
+ },
+};
+
+void __init kirkwood_i2c_init(void)
+{
+ platform_device_register(&kirkwood_i2c);
+}
+
+
+/*****************************************************************************
* UART0
****************************************************************************/
static struct plat_serial8250_port kirkwood_uart0_data[] = {
/*****************************************************************************
+ * Cryptographic Engines and Security Accelerator (CESA)
+ ****************************************************************************/
+
+static struct resource kirkwood_crypto_res[] = {
+ {
+ .name = "regs",
+ .start = CRYPTO_PHYS_BASE,
+ .end = CRYPTO_PHYS_BASE + 0xffff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "sram",
+ .start = KIRKWOOD_SRAM_PHYS_BASE,
+ .end = KIRKWOOD_SRAM_PHYS_BASE + KIRKWOOD_SRAM_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "crypto interrupt",
+ .start = IRQ_KIRKWOOD_CRYPTO,
+ .end = IRQ_KIRKWOOD_CRYPTO,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_crypto_device = {
+ .name = "mv_crypto",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(kirkwood_crypto_res),
+ .resource = kirkwood_crypto_res,
+};
+
+void __init kirkwood_crypto_init(void)
+{
+ kirkwood_clk_ctrl |= CGC_CRYPTO;
+ platform_device_register(&kirkwood_crypto_device);
+}
+
+
+/*****************************************************************************
* XOR
****************************************************************************/
static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
.dram = &kirkwood_mbus_dram_info,
};
-static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK;
+static u64 kirkwood_xor_dmamask = DMA_BIT_MASK(32);
/*****************************************************************************
.resource = kirkwood_xor00_resources,
.dev = {
.dma_mask = &kirkwood_xor_dmamask,
- .coherent_dma_mask = DMA_64BIT_MASK,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = (void *)&kirkwood_xor00_data,
},
};
.resource = kirkwood_xor01_resources,
.dev = {
.dma_mask = &kirkwood_xor_dmamask,
- .coherent_dma_mask = DMA_64BIT_MASK,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = (void *)&kirkwood_xor01_data,
},
};
-void __init kirkwood_xor0_init(void)
+static void __init kirkwood_xor0_init(void)
{
+ kirkwood_clk_ctrl |= CGC_XOR0;
platform_device_register(&kirkwood_xor0_shared);
/*
.resource = kirkwood_xor10_resources,
.dev = {
.dma_mask = &kirkwood_xor_dmamask,
- .coherent_dma_mask = DMA_64BIT_MASK,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = (void *)&kirkwood_xor10_data,
},
};
.resource = kirkwood_xor11_resources,
.dev = {
.dma_mask = &kirkwood_xor_dmamask,
- .coherent_dma_mask = DMA_64BIT_MASK,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = (void *)&kirkwood_xor11_data,
},
};
-void __init kirkwood_xor1_init(void)
+static void __init kirkwood_xor1_init(void)
{
+ kirkwood_clk_ctrl |= CGC_XOR1;
platform_device_register(&kirkwood_xor1_shared);
/*
/*****************************************************************************
+ * Watchdog
+ ****************************************************************************/
+static struct orion_wdt_platform_data kirkwood_wdt_data = {
+ .tclk = 0,
+};
+
+static struct platform_device kirkwood_wdt_device = {
+ .name = "orion_wdt",
+ .id = -1,
+ .dev = {
+ .platform_data = &kirkwood_wdt_data,
+ },
+ .num_resources = 0,
+};
+
+static void __init kirkwood_wdt_init(void)
+{
+ kirkwood_wdt_data.tclk = kirkwood_tclk;
+ platform_device_register(&kirkwood_wdt_device);
+}
+
+
+/*****************************************************************************
* Time handling
****************************************************************************/
int kirkwood_tclk;
}
}
-static int __init is_l2_writethrough(void)
+static void __init kirkwood_l2_init(void)
{
- return !!(readl(L2_CONFIG_REG) & L2_WRITETHROUGH);
+#ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
+ writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
+ feroceon_l2_init(1);
+#else
+ writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
+ feroceon_l2_init(0);
+#endif
}
void __init kirkwood_init(void)
printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
kirkwood_id(), kirkwood_tclk);
kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
+ kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
kirkwood_spi_plat_data.tclk = kirkwood_tclk;
kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
kirkwood_setup_cpu_mbus();
#ifdef CONFIG_CACHE_FEROCEON_L2
- feroceon_l2_init(is_l2_writethrough());
+ kirkwood_l2_init();
#endif
+
+ /* internal devices that every board has */
+ kirkwood_rtc_init();
+ kirkwood_wdt_init();
+ kirkwood_xor0_init();
+ kirkwood_xor1_init();
+ kirkwood_crypto_init();
+}
+
+static int __init kirkwood_clock_gate(void)
+{
+ unsigned int curr = readl(CLOCK_GATING_CTRL);
+
+ printk(KERN_DEBUG "Gating clock of unused units\n");
+ printk(KERN_DEBUG "before: 0x%08x\n", curr);
+
+ /* Make sure those units are accessible */
+ writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0, CLOCK_GATING_CTRL);
+
+ /* For SATA: first shutdown the phy */
+ if (!(kirkwood_clk_ctrl & CGC_SATA0)) {
+ /* Disable PLL and IVREF */
+ writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2);
+ /* Disable PHY */
+ writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL);
+ }
+ if (!(kirkwood_clk_ctrl & CGC_SATA1)) {
+ /* Disable PLL and IVREF */
+ writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2);
+ /* Disable PHY */
+ writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL);
+ }
+
+ /* For PCIe: first shutdown the phy */
+ if (!(kirkwood_clk_ctrl & CGC_PEX0)) {
+ writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL);
+ while (1)
+ if (readl(PCIE_STATUS) & 0x1)
+ break;
+ writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL);
+ }
+
+ /* Now gate clock the required units */
+ writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL);
+ printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL));
+
+ return 0;
}
+late_initcall(kirkwood_clock_gate);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff