#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 <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
void __init kirkwood_ehci_init(void)
{
+ kirkwood_clk_ctrl |= CGC_USB0;
platform_device_register(&kirkwood_ehci);
}
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;
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;
}
+/*****************************************************************************
+ * 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
****************************************************************************/
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);
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);
}
void __init kirkwood_spi_init()
{
+ kirkwood_clk_ctrl |= CGC_RUNIT;
platform_device_register(&kirkwood_spi);
}
}
+/*****************************************************************************
+ * 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 void __init kirkwood_xor0_init(void)
{
+ kirkwood_clk_ctrl |= CGC_XOR0;
platform_device_register(&kirkwood_xor0_shared);
/*
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
****************************************************************************/
/* 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.samba.org / sfrench / cifs-2.6.git / blobdiff