zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-at91/at91sam9g45.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-at91/at91sam9g45.c
new file mode 100644
index 0000000..d222f83
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-at91/at91sam9g45.c
@@ -0,0 +1,405 @@
+/*
+ * Chip-specific setup code for the AT91SAM9G45 family
+ *
+ * Copyright (C) 2009 Atmel Corporation.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/system_misc.h>
+#include <mach/at91sam9g45.h>
+#include <mach/at91_pmc.h>
+#include <mach/cpu.h>
+
+#include "soc.h"
+#include "generic.h"
+#include "clock.h"
+#include "sam9_smc.h"
+
+/* --------------------------------------------------------------------
+ * Clocks
+ * -------------------------------------------------------------------- */
+
+/*
+ * The peripheral clocks.
+ */
+static struct clk pioA_clk = {
+ .name = "pioA_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_PIOA,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioB_clk = {
+ .name = "pioB_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_PIOB,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioC_clk = {
+ .name = "pioC_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_PIOC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioDE_clk = {
+ .name = "pioDE_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_PIODE,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk trng_clk = {
+ .name = "trng_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_TRNG,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart0_clk = {
+ .name = "usart0_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_US0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart1_clk = {
+ .name = "usart1_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_US1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart2_clk = {
+ .name = "usart2_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_US2,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart3_clk = {
+ .name = "usart3_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_US3,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk mmc0_clk = {
+ .name = "mci0_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_MCI0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk twi0_clk = {
+ .name = "twi0_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_TWI0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk twi1_clk = {
+ .name = "twi1_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_TWI1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk spi0_clk = {
+ .name = "spi0_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_SPI0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk spi1_clk = {
+ .name = "spi1_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_SPI1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc0_clk = {
+ .name = "ssc0_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_SSC0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc1_clk = {
+ .name = "ssc1_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_SSC1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tcb0_clk = {
+ .name = "tcb0_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_TCB,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pwm_clk = {
+ .name = "pwm_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_PWMC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tsc_clk = {
+ .name = "tsc_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_TSC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk dma_clk = {
+ .name = "dma_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_DMA,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk uhphs_clk = {
+ .name = "uhphs_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_UHPHS,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk lcdc_clk = {
+ .name = "lcdc_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_LCDC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ac97_clk = {
+ .name = "ac97_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_AC97C,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk macb_clk = {
+ .name = "pclk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_EMAC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk isi_clk = {
+ .name = "isi_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_ISI,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk udphs_clk = {
+ .name = "udphs_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_UDPHS,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk mmc1_clk = {
+ .name = "mci1_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_MCI1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+
+/* Video decoder clock - Only for sam9m10/sam9m11 */
+static struct clk vdec_clk = {
+ .name = "vdec_clk",
+ .pmc_mask = 1 << AT91SAM9G45_ID_VDEC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+
+static struct clk *periph_clocks[] __initdata = {
+ &pioA_clk,
+ &pioB_clk,
+ &pioC_clk,
+ &pioDE_clk,
+ &trng_clk,
+ &usart0_clk,
+ &usart1_clk,
+ &usart2_clk,
+ &usart3_clk,
+ &mmc0_clk,
+ &twi0_clk,
+ &twi1_clk,
+ &spi0_clk,
+ &spi1_clk,
+ &ssc0_clk,
+ &ssc1_clk,
+ &tcb0_clk,
+ &pwm_clk,
+ &tsc_clk,
+ &dma_clk,
+ &uhphs_clk,
+ &lcdc_clk,
+ &ac97_clk,
+ &macb_clk,
+ &isi_clk,
+ &udphs_clk,
+ &mmc1_clk,
+ // irq0
+};
+
+static struct clk_lookup periph_clocks_lookups[] = {
+ /* One additional fake clock for macb_hclk */
+ CLKDEV_CON_ID("hclk", &macb_clk),
+ /* One additional fake clock for ohci */
+ CLKDEV_CON_ID("ohci_clk", &uhphs_clk),
+ CLKDEV_CON_DEV_ID("ehci_clk", "atmel-ehci", &uhphs_clk),
+ CLKDEV_CON_DEV_ID("hclk", "atmel_usba_udc", &utmi_clk),
+ CLKDEV_CON_DEV_ID("pclk", "atmel_usba_udc", &udphs_clk),
+ CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.0", &mmc0_clk),
+ CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.1", &mmc1_clk),
+ CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
+ CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
+ CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb0_clk),
+ CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk),
+ CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
+ CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
+ CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk),
+ /* more usart lookup table for DT entries */
+ CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
+ CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
+ CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk),
+ CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),
+ CLKDEV_CON_DEV_ID("usart", "fff98000.serial", &usart3_clk),
+ /* more tc lookup table for DT entries */
+ CLKDEV_CON_DEV_ID("t0_clk", "fff7c000.timer", &tcb0_clk),
+ CLKDEV_CON_DEV_ID("t0_clk", "fffd4000.timer", &tcb0_clk),
+ CLKDEV_CON_DEV_ID("hclk", "700000.ohci", &uhphs_clk),
+ CLKDEV_CON_DEV_ID("ehci_clk", "800000.ehci", &uhphs_clk),
+ /* fake hclk clock */
+ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk),
+ CLKDEV_CON_ID("pioA", &pioA_clk),
+ CLKDEV_CON_ID("pioB", &pioB_clk),
+ CLKDEV_CON_ID("pioC", &pioC_clk),
+ CLKDEV_CON_ID("pioD", &pioDE_clk),
+ CLKDEV_CON_ID("pioE", &pioDE_clk),
+};
+
+static struct clk_lookup usart_clocks_lookups[] = {
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
+};
+
+/*
+ * The two programmable clocks.
+ * You must configure pin multiplexing to bring these signals out.
+ */
+static struct clk pck0 = {
+ .name = "pck0",
+ .pmc_mask = AT91_PMC_PCK0,
+ .type = CLK_TYPE_PROGRAMMABLE,
+ .id = 0,
+};
+static struct clk pck1 = {
+ .name = "pck1",
+ .pmc_mask = AT91_PMC_PCK1,
+ .type = CLK_TYPE_PROGRAMMABLE,
+ .id = 1,
+};
+
+static void __init at91sam9g45_register_clocks(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
+ clk_register(periph_clocks[i]);
+
+ clkdev_add_table(periph_clocks_lookups,
+ ARRAY_SIZE(periph_clocks_lookups));
+ clkdev_add_table(usart_clocks_lookups,
+ ARRAY_SIZE(usart_clocks_lookups));
+
+ if (cpu_is_at91sam9m10() || cpu_is_at91sam9m11())
+ clk_register(&vdec_clk);
+
+ clk_register(&pck0);
+ clk_register(&pck1);
+}
+
+static struct clk_lookup console_clock_lookup;
+
+void __init at91sam9g45_set_console_clock(int id)
+{
+ if (id >= ARRAY_SIZE(usart_clocks_lookups))
+ return;
+
+ console_clock_lookup.con_id = "usart";
+ console_clock_lookup.clk = usart_clocks_lookups[id].clk;
+ clkdev_add(&console_clock_lookup);
+}
+
+/* --------------------------------------------------------------------
+ * GPIO
+ * -------------------------------------------------------------------- */
+
+static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = {
+ {
+ .id = AT91SAM9G45_ID_PIOA,
+ .regbase = AT91SAM9G45_BASE_PIOA,
+ }, {
+ .id = AT91SAM9G45_ID_PIOB,
+ .regbase = AT91SAM9G45_BASE_PIOB,
+ }, {
+ .id = AT91SAM9G45_ID_PIOC,
+ .regbase = AT91SAM9G45_BASE_PIOC,
+ }, {
+ .id = AT91SAM9G45_ID_PIODE,
+ .regbase = AT91SAM9G45_BASE_PIOD,
+ }, {
+ .id = AT91SAM9G45_ID_PIODE,
+ .regbase = AT91SAM9G45_BASE_PIOE,
+ }
+};
+
+/* --------------------------------------------------------------------
+ * AT91SAM9G45 processor initialization
+ * -------------------------------------------------------------------- */
+
+static void __init at91sam9g45_map_io(void)
+{
+ at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE);
+ init_consistent_dma_size(SZ_4M);
+}
+
+static void __init at91sam9g45_ioremap_registers(void)
+{
+ at91_ioremap_shdwc(AT91SAM9G45_BASE_SHDWC);
+ at91_ioremap_rstc(AT91SAM9G45_BASE_RSTC);
+ at91_ioremap_ramc(0, AT91SAM9G45_BASE_DDRSDRC1, 512);
+ at91_ioremap_ramc(1, AT91SAM9G45_BASE_DDRSDRC0, 512);
+ at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT);
+ at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC);
+ at91_ioremap_matrix(AT91SAM9G45_BASE_MATRIX);
+}
+
+static void __init at91sam9g45_initialize(void)
+{
+ arm_pm_idle = at91sam9_idle;
+ arm_pm_restart = at91sam9g45_restart;
+ at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
+
+ /* Register GPIO subsystem */
+ at91_gpio_init(at91sam9g45_gpio, 5);
+}
+
+/* --------------------------------------------------------------------
+ * Interrupt initialization
+ * -------------------------------------------------------------------- */
+
+/*
+ * The default interrupt priority levels (0 = lowest, 7 = highest).
+ */
+static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = {
+ 7, /* Advanced Interrupt Controller (FIQ) */
+ 7, /* System Peripherals */
+ 1, /* Parallel IO Controller A */
+ 1, /* Parallel IO Controller B */
+ 1, /* Parallel IO Controller C */
+ 1, /* Parallel IO Controller D and E */
+ 0,
+ 5, /* USART 0 */
+ 5, /* USART 1 */
+ 5, /* USART 2 */
+ 5, /* USART 3 */
+ 0, /* Multimedia Card Interface 0 */
+ 6, /* Two-Wire Interface 0 */
+ 6, /* Two-Wire Interface 1 */
+ 5, /* Serial Peripheral Interface 0 */
+ 5, /* Serial Peripheral Interface 1 */
+ 4, /* Serial Synchronous Controller 0 */
+ 4, /* Serial Synchronous Controller 1 */
+ 0, /* Timer Counter 0, 1, 2, 3, 4 and 5 */
+ 0, /* Pulse Width Modulation Controller */
+ 0, /* Touch Screen Controller */
+ 0, /* DMA Controller */
+ 2, /* USB Host High Speed port */
+ 3, /* LDC Controller */
+ 5, /* AC97 Controller */
+ 3, /* Ethernet */
+ 0, /* Image Sensor Interface */
+ 2, /* USB Device High speed port */
+ 0,
+ 0, /* Multimedia Card Interface 1 */
+ 0,
+ 0, /* Advanced Interrupt Controller (IRQ0) */
+};
+
+struct at91_init_soc __initdata at91sam9g45_soc = {
+ .map_io = at91sam9g45_map_io,
+ .default_irq_priority = at91sam9g45_default_irq_priority,
+ .ioremap_registers = at91sam9g45_ioremap_registers,
+ .register_clocks = at91sam9g45_register_clocks,
+ .init = at91sam9g45_initialize,
+};