* Copyright (c) 2008 Eric Jarrige <eric.jarrige@armadeus.org>
* Copyright (c) 2009 Ilya Yanok <yanok@emcraft.com>
*
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/imx-common/sys_proto.h>
#ifdef CONFIG_MXC_MMC
#include <asm/arch/mxcmmc.h>
#endif
* f = 2 * f_ref * --------------------
* pd + 1
*/
-unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
+static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
{
unsigned int mfi = (pll >> 10) & 0xf;
unsigned int mfn = pll & 0x3ff;
}
}
-ulong imx_get_mpllclk(void)
+static ulong imx_get_mpllclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
return imx_decode_pll(readl(&pll->mpctl0), fref);
}
-ulong imx_get_armclk(void)
+static ulong imx_get_armclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
return lldiv(fref, div);
}
-ulong imx_get_ahbclk(void)
+static ulong imx_get_ahbclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
return lldiv(fref * 2, 3 * div);
}
-ulong imx_get_spllclk(void)
+static __attribute__((unused)) ulong imx_get_spllclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
return lldiv((imx_get_mpllclk() * 2), (div * 3));
}
-ulong imx_get_perclk1(void)
+static ulong imx_get_perclk1(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk((readl(&pll->pcdr1) & 0x3f) + 1);
}
-ulong imx_get_perclk2(void)
+static ulong imx_get_perclk2(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 8) & 0x3f) + 1);
}
-ulong imx_get_perclk3(void)
+static __attribute__((unused)) ulong imx_get_perclk3(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 16) & 0x3f) + 1);
}
-ulong imx_get_perclk4(void)
+static __attribute__((unused)) ulong imx_get_perclk4(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 24) & 0x3f) + 1);
}
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_ARM_CLK:
+ return imx_get_armclk();
+ case MXC_I2C_CLK:
+ return imx_get_ahbclk()/2;
+ case MXC_UART_CLK:
+ return imx_get_perclk1();
+ case MXC_FEC_CLK:
+ return imx_get_ahbclk();
+ case MXC_ESDHC_CLK:
+ return imx_get_perclk2();
+ }
+ return -1;
+}
+
+
+u32 get_cpu_rev(void)
+{
+ return MXC_CPU_MX27 << 12;
+}
+
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo (void)
{
void imx_gpio_mode(int gpio_mode)
{
- struct gpio_regs *regs = (struct gpio_regs *)IMX_GPIO_BASE;
+ struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE;
unsigned int pin = gpio_mode & GPIO_PIN_MASK;
unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
/* Data direction */
if (gpio_mode & GPIO_OUT) {
- writel(readl(®s->port[port].ddir) | 1 << pin,
- ®s->port[port].ddir);
+ writel(readl(®s->port[port].gpio_dir) | 1 << pin,
+ ®s->port[port].gpio_dir);
} else {
- writel(readl(®s->port[port].ddir) & ~(1 << pin),
- ®s->port[port].ddir);
+ writel(readl(®s->port[port].gpio_dir) & ~(1 << pin),
+ ®s->port[port].gpio_dir);
}
/* Primary / alternate function */
}
#ifdef CONFIG_MXC_UART
-void mx27_uart_init_pins(void)
+void mx27_uart1_init_pins(void)
{
int i;
unsigned int mode[] = {
for (i = 0; i < ARRAY_SIZE(mode); i++)
imx_gpio_mode(mode[i]);
}
+
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+ int i;
+ struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+ struct fuse_bank *bank = &iim->bank[0];
+ struct fuse_bank0_regs *fuse =
+ (struct fuse_bank0_regs *)bank->fuse_regs;
+
+ for (i = 0; i < 6; i++)
+ mac[6 - 1 - i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
#endif /* CONFIG_FEC_MXC */
#ifdef CONFIG_MXC_MMC
}
#endif /* CONFIG_MXC_MMC */
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif /* CONFIG_SYS_DCACHE_OFF */