*
* Copyright (C) 2006 Texas Instruments.
*
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <config.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
#define REG(addr) (*(volatile unsigned int *)(addr))
#define REG_P(addr) ((volatile unsigned int *)(addr))
void lpsc_on(unsigned int id);
void lpsc_syncreset(unsigned int id);
+void lpsc_disable(unsigned int id);
void dsp_on(void);
void davinci_enable_uart0(void);
#define PSC_PSC0_MODULE_ID_CNT 16
#define PSC_PSC1_MODULE_ID_CNT 32
+#define UART0_PWREMU_MGMT (0x01c42030)
+
struct davinci_psc_regs {
dv_reg revid;
dv_reg rsvd0[71];
#define davinci_pllc1_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL1_BASE)
#define DAVINCI_PLLC_DIV_MASK 0x1f
-#define ASYNC3 get_async3_src()
-#define PLL1_SYSCLK2 ((1 << 16) | 0x2)
-#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? 2 : ASYNC3)
-/* Clock IDs */
+/*
+ * A clock ID is a 32-bit number where bit 16 represents the PLL controller
+ * (clear is PLLC0, set is PLLC1) and the low 16 bits represent the divisor,
+ * counting from 1. Clock IDs may be passed to clk_get().
+ */
+
+/* flags to select PLL controller */
+#define DAVINCI_PLLC0_FLAG (0)
+#define DAVINCI_PLLC1_FLAG (1 << 16)
+
enum davinci_clk_ids {
- DAVINCI_SPI0_CLKID = 2,
- DAVINCI_UART2_CLKID = 2,
- DAVINCI_MMC_CLKID = 2,
- DAVINCI_MDIO_CLKID = 4,
- DAVINCI_ARM_CLKID = 6,
- DAVINCI_PLLM_CLKID = 0xff,
- DAVINCI_PLLC_CLKID = 0x100,
- DAVINCI_AUXCLK_CLKID = 0x101
+ /*
+ * Clock IDs for PLL outputs. Each may be switched on/off
+ * independently, and each may map to one or more peripherals.
+ */
+ DAVINCI_PLL0_SYSCLK2 = DAVINCI_PLLC0_FLAG | 2,
+ DAVINCI_PLL0_SYSCLK4 = DAVINCI_PLLC0_FLAG | 4,
+ DAVINCI_PLL0_SYSCLK6 = DAVINCI_PLLC0_FLAG | 6,
+ DAVINCI_PLL1_SYSCLK1 = DAVINCI_PLLC1_FLAG | 1,
+ DAVINCI_PLL1_SYSCLK2 = DAVINCI_PLLC1_FLAG | 2,
+
+ /* map peripherals to clock IDs */
+ DAVINCI_ARM_CLKID = DAVINCI_PLL0_SYSCLK6,
+ DAVINCI_DDR_CLKID = DAVINCI_PLL1_SYSCLK1,
+ DAVINCI_MDIO_CLKID = DAVINCI_PLL0_SYSCLK4,
+ DAVINCI_MMC_CLKID = DAVINCI_PLL0_SYSCLK2,
+ DAVINCI_SPI0_CLKID = DAVINCI_PLL0_SYSCLK2,
+ DAVINCI_MMCSD_CLKID = DAVINCI_PLL0_SYSCLK2,
+
+ /* special clock ID - output of PLL multiplier */
+ DAVINCI_PLLM_CLKID = 0x0FF,
+
+ /* special clock ID - output of PLL post divisor */
+ DAVINCI_PLLC_CLKID = 0x100,
+
+ /* special clock ID - PLL bypass */
+ DAVINCI_AUXCLK_CLKID = 0x101,
};
+#define DAVINCI_UART2_CLKID (cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \
+ : get_async3_src())
+
+#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \
+ : get_async3_src())
+
int clk_get(enum davinci_clk_ids id);
/* Boot config */
dv_reg rsvd[13];
dv_reg kick0;
dv_reg kick1;
- dv_reg rsvd1[53];
+ dv_reg rsvd1[52];
dv_reg mstpri[3];
+ dv_reg rsvd2;
dv_reg pinmux[20];
dv_reg suspsrc;
dv_reg chipsig;
((struct davinci_syscfg1_regs *)DAVINCI_SYSCFG1_BASE)
#define DDR_SLEW_CMOSEN_BIT 4
+#define DDR_SLEW_DDR_PDENA_BIT 5
#define VTP_POWERDWN (1 << 6)
#define VTP_LOCK (1 << 7)
return ((part_no == 0xb7d1) ? 1 : 0);
}
-static inline int get_async3_src(void)
+static inline enum davinci_clk_ids get_async3_src(void)
{
return (REG(&davinci_syscfg_regs->cfgchip3) & 0x10) ?
- PLL1_SYSCLK2 : 2;
+ DAVINCI_PLL1_SYSCLK2 : DAVINCI_PLL0_SYSCLK2;
}
#endif /* CONFIG_SOC_DA8XX */
#include <asm/arch/psc_defs.h>
#include <asm/arch/syscfg_defs.h>
#include <asm/arch/timer_defs.h>
-#endif
-struct davinci_rtc {
- dv_reg second;
- dv_reg minutes;
- dv_reg hours;
- dv_reg day;
- dv_reg month; /* 0x10 */
- dv_reg year;
- dv_reg dotw;
- dv_reg resv1;
- dv_reg alarmsecond; /* 0x20 */
- dv_reg alarmminute;
- dv_reg alarmhour;
- dv_reg alarmday;
- dv_reg alarmmonth; /* 0x30 */
- dv_reg alarmyear;
- dv_reg resv2[2];
- dv_reg ctrl; /* 0x40 */
- dv_reg status;
- dv_reg irq;
- dv_reg complsb;
- dv_reg compmsb; /* 0x50 */
- dv_reg osc;
- dv_reg resv3[2];
- dv_reg scratch0; /* 0x60 */
- dv_reg scratch1;
- dv_reg scratch2;
- dv_reg kick0r;
- dv_reg kick1r; /* 0x70 */
-};
+#define TMPBUF 0x00017ff8
+#define TMPSTATUS 0x00017ff0
+#define DV_TMPBUF_VAL 0x591b3ed7
+#define FLAG_PORRST 0x00000001
+#define FLAG_WDTRST 0x00000002
+#define FLAG_FLGON 0x00000004
+#define FLAG_FLGOFF 0x00000010
-#define RTC_STATE_BUSY 0x01
-#define RTC_STATE_RUN 0x02
-
-#define RTC_KICK0R_WE 0x83e70b13
-#define RTC_KICK1R_WE 0x95a4f1e0
-
-#define davinci_rtc_base ((struct davinci_rtc *)DAVINCI_RTC_BASE)
+#endif
#endif /* __ASM_ARCH_HARDWARE_H */