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Message-ID: <4A869D1D.6040901@gmail.com>
Date: Sat, 15 Aug 2009 19:33:49 +0800
From: Wan ZongShun <mcuos.com@...il.com>
To: linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
linux-kernel <linux-kernel@...r.kernel.org>,
Russell King <linux@....linux.org.uk>
Subject: [PATCH 3/9] ARM: modify w90p910.c and add header file
Dear Russell,
To change w90p910.c and add nuc910 header file.
Signed-off-by: Wan ZongShun <mcuos.com@...il.com>
---
arch/arm/mach-w90x900/nuc910.h | 28 +++++
arch/arm/mach-w90x900/w90p910.c | 220 +++++++++++----------------------------
2 files changed, 87 insertions(+), 161 deletions(-)
create mode 100644 arch/arm/mach-w90x900/nuc910.h
diff --git a/arch/arm/mach-w90x900/nuc910.h b/arch/arm/mach-w90x900/nuc910.h
new file mode 100644
index 0000000..1774fe1
--- /dev/null
+++ b/arch/arm/mach-w90x900/nuc910.h
@@ -0,0 +1,28 @@
+/*
+ * arch/arm/mach-w90x900/nuc910.h
+ *
+ * Copyright (c) 2008 Nuvoton corporation
+ *
+ * Header file for NUC900 CPU support
+ *
+ * Wan ZongShun <mcuos.com@...il.com>
+ *
+ * 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.
+ *
+ */
+
+struct map_desc;
+struct sys_timer;
+
+/* core initialisation functions */
+
+extern void w90x900_init_irq(void);
+extern struct sys_timer w90x900_timer;
+
+/* extern file from nuc910.c */
+
+extern void nuc910_board_init(void);
+extern void nuc910_init_clocks(void);
+extern void nuc910_map_io(void);
diff --git a/arch/arm/mach-w90x900/w90p910.c b/arch/arm/mach-w90x900/w90p910.c
index d33723b..fc94af1 100644
--- a/arch/arm/mach-w90x900/w90p910.c
+++ b/arch/arm/mach-w90x900/w90p910.c
@@ -3,11 +3,11 @@
*
* Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
*
- * Copyright (c) 2008 Nuvoton technology corporation.
+ * Copyright (c) 2009 Nuvoton corporation.
*
* Wan ZongShun <mcuos.com@...il.com>
*
- * W90P910 cpu support
+ * NUC910 cpu support
*
* 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
@@ -39,186 +39,84 @@
#include "cpu.h"
#include "clock.h"
-/* Initial IO mappings */
+/* RTC controller*/
-static struct map_desc w90p910_iodesc[] __initdata = {
- IODESC_ENT(IRQ),
- IODESC_ENT(GCR),
- IODESC_ENT(UART),
- IODESC_ENT(TIMER),
- IODESC_ENT(EBI),
- IODESC_ENT(USBEHCIHOST),
- IODESC_ENT(USBOHCIHOST),
- IODESC_ENT(ADC),
- IODESC_ENT(RTC),
- IODESC_ENT(KPI),
- IODESC_ENT(USBDEV),
- /*IODESC_ENT(LCD),*/
+static struct resource nuc910_rtc_resource[] = {
+ [0] = {
+ .start = W90X900_PA_RTC,
+ .end = W90X900_PA_RTC + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_RTC,
+ .end = IRQ_RTC,
+ .flags = IORESOURCE_IRQ,
+ },
};
-/* Initial clock declarations. */
-static DEFINE_CLK(lcd, 0);
-static DEFINE_CLK(audio, 1);
-static DEFINE_CLK(fmi, 4);
-static DEFINE_SUBCLK(ms, 0);
-static DEFINE_SUBCLK(sd, 1);
-static DEFINE_CLK(dmac, 5);
-static DEFINE_CLK(atapi, 6);
-static DEFINE_CLK(emc, 7);
-static DEFINE_SUBCLK(rmii, 2);
-static DEFINE_CLK(usbd, 8);
-static DEFINE_CLK(usbh, 9);
-static DEFINE_CLK(g2d, 10);;
-static DEFINE_CLK(pwm, 18);
-static DEFINE_CLK(ps2, 24);
-static DEFINE_CLK(kpi, 25);
-static DEFINE_CLK(wdt, 26);
-static DEFINE_CLK(gdma, 27);
-static DEFINE_CLK(adc, 28);
-static DEFINE_CLK(usi, 29);
-static DEFINE_CLK(ext, 0);
-
-static struct clk_lookup w90p910_clkregs[] = {
- DEF_CLKLOOK(&clk_lcd, "w90p910-lcd", NULL),
- DEF_CLKLOOK(&clk_audio, "w90p910-audio", NULL),
- DEF_CLKLOOK(&clk_fmi, "w90p910-fmi", NULL),
- DEF_CLKLOOK(&clk_ms, "w90p910-fmi", "MS"),
- DEF_CLKLOOK(&clk_sd, "w90p910-fmi", "SD"),
- DEF_CLKLOOK(&clk_dmac, "w90p910-dmac", NULL),
- DEF_CLKLOOK(&clk_atapi, "w90p910-atapi", NULL),
- DEF_CLKLOOK(&clk_emc, "w90p910-emc", NULL),
- DEF_CLKLOOK(&clk_rmii, "w90p910-emc", "RMII"),
- DEF_CLKLOOK(&clk_usbd, "w90p910-usbd", NULL),
- DEF_CLKLOOK(&clk_usbh, "w90p910-usbh", NULL),
- DEF_CLKLOOK(&clk_g2d, "w90p910-g2d", NULL),
- DEF_CLKLOOK(&clk_pwm, "w90p910-pwm", NULL),
- DEF_CLKLOOK(&clk_ps2, "w90p910-ps2", NULL),
- DEF_CLKLOOK(&clk_kpi, "w90p910-kpi", NULL),
- DEF_CLKLOOK(&clk_wdt, "w90p910-wdt", NULL),
- DEF_CLKLOOK(&clk_gdma, "w90p910-gdma", NULL),
- DEF_CLKLOOK(&clk_adc, "w90p910-adc", NULL),
- DEF_CLKLOOK(&clk_usi, "w90p910-spi", NULL),
- DEF_CLKLOOK(&clk_ext, NULL, "ext"),
+static struct platform_device nuc910_device_rtc = {
+ .name = "nuc910-rtc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nuc910_rtc_resource),
+ .resource = nuc910_rtc_resource,
};
-/* Initial serial platform data */
-
-struct plat_serial8250_port w90p910_uart_data[] = {
- W90X900_8250PORT(UART0),
-};
+/*TouchScreen controller*/
-struct platform_device w90p910_serial_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = w90p910_uart_data,
+static struct resource nuc910_ts_resource[] = {
+ [0] = {
+ .start = W90X900_PA_ADC,
+ .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_ADC,
+ .end = IRQ_ADC,
+ .flags = IORESOURCE_IRQ,
},
};
-/*Init W90P910 evb io*/
-
-void __init w90p910_map_io(struct map_desc *mach_desc, int mach_size)
-{
- unsigned long idcode = 0x0;
-
- iotable_init(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
-
- idcode = __raw_readl(W90X900PDID);
- if (idcode != W90P910_CPUID)
- printk(KERN_ERR "CPU type 0x%08lx is not W90P910\n", idcode);
-}
-
-/*Set W90P910 cpu frequence*/
-static int __init w90p910_set_clkval(unsigned int cpufreq)
-{
- unsigned int pllclk, ahbclk, apbclk, val;
-
- pllclk = 0;
- ahbclk = 0;
- apbclk = 0;
-
- switch (cpufreq) {
- case 66:
- pllclk = PLL_66MHZ;
- ahbclk = AHB_CPUCLK_1_1;
- apbclk = APB_AHB_1_2;
- break;
-
- case 100:
- pllclk = PLL_100MHZ;
- ahbclk = AHB_CPUCLK_1_1;
- apbclk = APB_AHB_1_2;
- break;
-
- case 120:
- pllclk = PLL_120MHZ;
- ahbclk = AHB_CPUCLK_1_2;
- apbclk = APB_AHB_1_2;
- break;
-
- case 166:
- pllclk = PLL_166MHZ;
- ahbclk = AHB_CPUCLK_1_2;
- apbclk = APB_AHB_1_2;
- break;
-
- case 200:
- pllclk = PLL_200MHZ;
- ahbclk = AHB_CPUCLK_1_2;
- apbclk = APB_AHB_1_2;
- break;
- }
-
- __raw_writel(pllclk, REG_PLLCON0);
-
- val = __raw_readl(REG_CLKDIV);
- val &= ~(0x03 << 24 | 0x03 << 26);
- val |= (ahbclk << 24 | apbclk << 26);
- __raw_writel(val, REG_CLKDIV);
-
- return 0;
-}
-static int __init w90p910_set_cpufreq(char *str)
-{
- unsigned long cpufreq, val;
-
- if (!*str)
- return 0;
-
- strict_strtoul(str, 0, &cpufreq);
+static struct platform_device nuc910_device_ts = {
+ .name = "nuc910-ts",
+ .id = -1,
+ .resource = nuc910_ts_resource,
+ .num_resources = ARRAY_SIZE(nuc910_ts_resource),
+};
- w90p910_clock_source(NULL, "ext");
+/* define specific CPU platform device */
- w90p910_set_clkval(cpufreq);
+static struct platform_device *nuc910_dev[] __initdata = {
+ &nuc910_device_ts,
+ &nuc910_device_rtc,
+};
- mdelay(1);
+/* define specific CPU platform io map */
- val = __raw_readl(REG_CKSKEW);
- val &= ~0xff;
- val |= DEFAULTSKEW;
- __raw_writel(val, REG_CKSKEW);
+static struct map_desc nuc910evb_iodesc[] __initdata = {
+ IODESC_ENT(USBEHCIHOST),
+ IODESC_ENT(USBOHCIHOST),
+ IODESC_ENT(KPI),
+ IODESC_ENT(USBDEV),
+ IODESC_ENT(ADC),
+};
- w90p910_clock_source(NULL, "pll0");
+/*Init NUC910 evb io*/
- return 1;
+void __init nuc910_map_io(void)
+{
+ nuc900_map_io(nuc910evb_iodesc, ARRAY_SIZE(nuc910evb_iodesc));
}
-__setup("cpufreq=", w90p910_set_cpufreq);
-
-/*Init W90P910 clock*/
+/*Init NUC910 clock*/
-void __init w90p910_init_clocks(void)
+void __init nuc910_init_clocks(void)
{
- clks_register(w90p910_clkregs, ARRAY_SIZE(w90p910_clkregs));
+ nuc900_init_clocks();
}
-static int __init w90p910_init_cpu(void)
-{
- return 0;
-}
+/*Init NUC910 board info*/
-static int __init w90x900_arch_init(void)
+void __init nuc910_board_init(void)
{
- return w90p910_init_cpu();
+ nuc900_board_init(nuc910_dev, ARRAY_SIZE(nuc910_dev));
}
-arch_initcall(w90x900_arch_init);
--
1.5.6.3
--
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