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Tirumala Marri95ac4282010-09-28 14:15:14 -07001/*
2 * Copyright (c) 2010, Applied Micro Circuits Corporation
3 * Author: Tirumala R Marri <tmarri@apm.com>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18 * MA 02111-1307 USA
19 */
20
21#ifndef _APM821XX_H_
22#define _APM821XX_H_
23
24#define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */
25
26/* Memory mapped registers */
27#define CONFIG_SYS_PERIPHERAL_BASE 0xEF600000
28#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_PERIPHERAL_BASE + 0x0200)
29#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_PERIPHERAL_BASE + 0x0300)
30
31#define GPIO0_BASE (CONFIG_SYS_PERIPHERAL_BASE + 0x0700)
32
33#define SDR0_SRST0_DMC 0x00200000
34#define SDR0_SRST1_AHB 0x00000040 /* PLB4XAHB bridge */
35
36/* AHB config. */
37#define AHB_TOP 0xA4
38#define AHB_BOT 0xA5
39
40/* clk divisors */
41#define PLLSYS0_FWD_DIV_A_MASK 0x000000f0 /* Fwd Div A */
42#define PLLSYS0_FWD_DIV_B_MASK 0x0000000f /* Fwd Div B */
43#define PLLSYS0_FB_DIV_MASK 0x0000ff00 /* Feedback divisor */
44#define PLLSYS0_OPB_DIV_MASK 0x0c000000 /* OPB Divisor */
45#define PLLSYS0_EPB_DIV_MASK 0x00000300 /* EPB divisor */
46#define PLLSYS0_EXTSL_MASK 0x00000080 /* PerClk feedback path */
47#define PLLSYS0_PLBEDV0_DIV_MASK 0xe0000000/* PLB Early Clk Div*/
48#define PLLSYS0_PERCLK_DIV_MASK 0x03000000 /* Peripheral Clk Divisor */
49#define PLLSYS0_SEL_MASK 0x18000000 /* 0 = PLL, 1 = PerClk */
50
51/*
52 + * Clocking Controller
53 + */
54#define CPR0_CLKUPD 0x0020
55#define CPR0_PLLC 0x0040
56#define CPR0_PLLC_SEL(pllc) (((pllc) & 0x01000000) >> 24)
57#define CPR0_PLLD 0x0060
58#define CPR0_PLLD_FDV(plld) (((plld) & 0xff000000) >> 24)
59#define CPR0_PLLD_FWDVA(plld) (((plld) & 0x000f0000) >> 16)
60#define CPR0_CPUD 0x0080
61#define CPR0_CPUD_CPUDV(cpud) (((cpud) & 0x07000000) >> 24)
62#define CPR0_PLB2D 0x00a0
63#define CPR0_PLB2D_PLB2DV(plb2d) (((plb2d) & 0x06000000) >> 25)
64#define CPR0_OPBD 0x00c0
65#define CPR0_OPBD_OPBDV(opbd) (((opbd) & 0x03000000) >> 24)
66#define CPR0_PERD 0x00e0
67#define CPR0_PERD_PERDV(perd) (((perd) & 0x03000000) >> 24)
68#define CPR0_DDR2D 0x0100
69#define CPR0_DDR2D_DDR2DV(ddr2d) (((ddr2d) & 0x06000000) >> 25)
70#define CLK_ICFG 0x0140
71
72#endif /* _APM821XX_H_ */