[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/arm/mach-pxa/pxa25x.c b/src/kernel/linux/v4.19/arch/arm/mach-pxa/pxa25x.c
new file mode 100644
index 0000000..ab8808c
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/arm/mach-pxa/pxa25x.c
@@ -0,0 +1,264 @@
+/*
+ * linux/arch/arm/mach-pxa/pxa25x.c
+ *
+ * Author: Nicolas Pitre
+ * Created: Jun 15, 2001
+ * Copyright: MontaVista Software Inc.
+ *
+ * Code specific to PXA21x/25x/26x variants.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Since this file should be linked before any other machine specific file,
+ * the __initcall() here will be executed first. This serves as default
+ * initialization stuff for PXA machines which can be overridden later if
+ * need be.
+ */
+#include <linux/dmaengine.h>
+#include <linux/dma/pxa-dma.h>
+#include <linux/gpio.h>
+#include <linux/gpio-pxa.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/suspend.h>
+#include <linux/syscore_ops.h>
+#include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <linux/platform_data/mmp_dma.h>
+
+#include <asm/mach/map.h>
+#include <asm/suspend.h>
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include "pxa25x.h"
+#include <mach/reset.h>
+#include "pm.h"
+#include <mach/dma.h>
+#include <mach/smemc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/*
+ * Various clock factors driven by the CCCR register.
+ */
+
+#ifdef CONFIG_PM
+
+#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
+#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x]
+
+/*
+ * List of global PXA peripheral registers to preserve.
+ * More ones like CP and general purpose register values are preserved
+ * with the stack pointer in sleep.S.
+ */
+enum {
+ SLEEP_SAVE_PSTR,
+ SLEEP_SAVE_COUNT
+};
+
+
+static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
+{
+ SAVE(PSTR);
+}
+
+static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
+{
+ RESTORE(PSTR);
+}
+
+static void pxa25x_cpu_pm_enter(suspend_state_t state)
+{
+ /* Clear reset status */
+ RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+ switch (state) {
+ case PM_SUSPEND_MEM:
+ cpu_suspend(PWRMODE_SLEEP, pxa25x_finish_suspend);
+ break;
+ }
+}
+
+static int pxa25x_cpu_pm_prepare(void)
+{
+ /* set resume return address */
+ PSPR = __pa_symbol(cpu_resume);
+ return 0;
+}
+
+static void pxa25x_cpu_pm_finish(void)
+{
+ /* ensure not to come back here if it wasn't intended */
+ PSPR = 0;
+}
+
+static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = {
+ .save_count = SLEEP_SAVE_COUNT,
+ .valid = suspend_valid_only_mem,
+ .save = pxa25x_cpu_pm_save,
+ .restore = pxa25x_cpu_pm_restore,
+ .enter = pxa25x_cpu_pm_enter,
+ .prepare = pxa25x_cpu_pm_prepare,
+ .finish = pxa25x_cpu_pm_finish,
+};
+
+static void __init pxa25x_init_pm(void)
+{
+ pxa_cpu_pm_fns = &pxa25x_cpu_pm_fns;
+}
+#else
+static inline void pxa25x_init_pm(void) {}
+#endif
+
+/* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm
+ */
+
+static int pxa25x_set_wake(struct irq_data *d, unsigned int on)
+{
+ int gpio = pxa_irq_to_gpio(d->irq);
+ uint32_t mask = 0;
+
+ if (gpio >= 0 && gpio < 85)
+ return gpio_set_wake(gpio, on);
+
+ if (d->irq == IRQ_RTCAlrm) {
+ mask = PWER_RTC;
+ goto set_pwer;
+ }
+
+ return -EINVAL;
+
+set_pwer:
+ if (on)
+ PWER |= mask;
+ else
+ PWER &=~mask;
+
+ return 0;
+}
+
+void __init pxa25x_init_irq(void)
+{
+ pxa_init_irq(32, pxa25x_set_wake);
+}
+
+#ifdef CONFIG_CPU_PXA26x
+void __init pxa26x_init_irq(void)
+{
+ pxa_init_irq(32, pxa25x_set_wake);
+}
+#endif
+
+static int __init __init
+pxa25x_dt_init_irq(struct device_node *node, struct device_node *parent)
+{
+ pxa_dt_irq_init(pxa25x_set_wake);
+ set_handle_irq(icip_handle_irq);
+
+ return 0;
+}
+IRQCHIP_DECLARE(pxa25x_intc, "marvell,pxa-intc", pxa25x_dt_init_irq);
+
+static struct map_desc pxa25x_io_desc[] __initdata = {
+ { /* Mem Ctl */
+ .virtual = (unsigned long)SMEMC_VIRT,
+ .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE),
+ .length = SMEMC_SIZE,
+ .type = MT_DEVICE
+ }, { /* UNCACHED_PHYS_0 */
+ .virtual = UNCACHED_PHYS_0,
+ .pfn = __phys_to_pfn(0x00000000),
+ .length = UNCACHED_PHYS_0_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
+void __init pxa25x_map_io(void)
+{
+ pxa_map_io();
+ iotable_init(ARRAY_AND_SIZE(pxa25x_io_desc));
+ pxa25x_get_clk_frequency_khz(1);
+}
+
+static struct pxa_gpio_platform_data pxa25x_gpio_info __initdata = {
+ .irq_base = PXA_GPIO_TO_IRQ(0),
+ .gpio_set_wake = gpio_set_wake,
+};
+
+static struct platform_device *pxa25x_devices[] __initdata = {
+ &pxa25x_device_udc,
+ &pxa_device_pmu,
+ &pxa_device_i2s,
+ &sa1100_device_rtc,
+ &pxa25x_device_ssp,
+ &pxa25x_device_nssp,
+ &pxa25x_device_assp,
+ &pxa25x_device_pwm0,
+ &pxa25x_device_pwm1,
+ &pxa_device_asoc_platform,
+};
+
+static const struct dma_slave_map pxa25x_slave_map[] = {
+ /* PXA25x, PXA27x and PXA3xx common entries */
+ { "pxa2xx-ac97", "pcm_pcm_mic_mono", PDMA_FILTER_PARAM(LOWEST, 8) },
+ { "pxa2xx-ac97", "pcm_pcm_aux_mono_in", PDMA_FILTER_PARAM(LOWEST, 9) },
+ { "pxa2xx-ac97", "pcm_pcm_aux_mono_out",
+ PDMA_FILTER_PARAM(LOWEST, 10) },
+ { "pxa2xx-ac97", "pcm_pcm_stereo_in", PDMA_FILTER_PARAM(LOWEST, 11) },
+ { "pxa2xx-ac97", "pcm_pcm_stereo_out", PDMA_FILTER_PARAM(LOWEST, 12) },
+ { "pxa-ssp-dai.1", "rx", PDMA_FILTER_PARAM(LOWEST, 13) },
+ { "pxa-ssp-dai.1", "tx", PDMA_FILTER_PARAM(LOWEST, 14) },
+ { "pxa-ssp-dai.2", "rx", PDMA_FILTER_PARAM(LOWEST, 15) },
+ { "pxa-ssp-dai.2", "tx", PDMA_FILTER_PARAM(LOWEST, 16) },
+ { "pxa2xx-ir", "rx", PDMA_FILTER_PARAM(LOWEST, 17) },
+ { "pxa2xx-ir", "tx", PDMA_FILTER_PARAM(LOWEST, 18) },
+ { "pxa2xx-mci.0", "rx", PDMA_FILTER_PARAM(LOWEST, 21) },
+ { "pxa2xx-mci.0", "tx", PDMA_FILTER_PARAM(LOWEST, 22) },
+
+ /* PXA25x specific map */
+ { "pxa25x-ssp.0", "rx", PDMA_FILTER_PARAM(LOWEST, 13) },
+ { "pxa25x-ssp.0", "tx", PDMA_FILTER_PARAM(LOWEST, 14) },
+ { "pxa25x-nssp.1", "rx", PDMA_FILTER_PARAM(LOWEST, 15) },
+ { "pxa25x-nssp.1", "tx", PDMA_FILTER_PARAM(LOWEST, 16) },
+ { "pxa25x-nssp.2", "rx", PDMA_FILTER_PARAM(LOWEST, 23) },
+ { "pxa25x-nssp.2", "tx", PDMA_FILTER_PARAM(LOWEST, 24) },
+};
+
+static struct mmp_dma_platdata pxa25x_dma_pdata = {
+ .dma_channels = 16,
+ .nb_requestors = 40,
+ .slave_map = pxa25x_slave_map,
+ .slave_map_cnt = ARRAY_SIZE(pxa25x_slave_map),
+};
+
+static int __init pxa25x_init(void)
+{
+ int ret = 0;
+
+ if (cpu_is_pxa25x()) {
+
+ reset_status = RCSR;
+
+ pxa25x_init_pm();
+
+ register_syscore_ops(&pxa_irq_syscore_ops);
+ register_syscore_ops(&pxa2xx_mfp_syscore_ops);
+
+ if (!of_have_populated_dt()) {
+ pxa2xx_set_dmac_info(&pxa25x_dma_pdata);
+ pxa_register_device(&pxa25x_device_gpio, &pxa25x_gpio_info);
+ ret = platform_add_devices(pxa25x_devices,
+ ARRAY_SIZE(pxa25x_devices));
+ }
+ }
+
+ return ret;
+}
+
+postcore_initcall(pxa25x_init);