| 1 | /* |
| 2 | * (C) Copyright 2007 by OpenMoko, Inc. |
| 3 | * Author: Harald Welte <laforge@openmoko.org> |
| 4 | * Andy Green <andy@openmoko.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; either version 2 of |
| 9 | * the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 19 | * MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include <qi.h> |
| 23 | #include <glamo-regs.h> |
| 24 | |
| 25 | #define GLAMO_REG(x) (*(volatile unsigned short *)(0x08000000 + x)) |
| 26 | |
| 27 | static void glamo_reg_write(u16 reg, u16 val) |
| 28 | { |
| 29 | GLAMO_REG(reg) = val; |
| 30 | } |
| 31 | |
| 32 | static u16 glamo_reg_read(u16 reg) |
| 33 | { |
| 34 | return GLAMO_REG(reg); |
| 35 | } |
| 36 | |
| 37 | |
| 38 | static u16 u16a_gen_init_0x0000[] = { |
| 39 | 0x2020, 0x3650, 0x0002, 0x01FF, 0x0000, 0x0000, 0x0000, 0x0000, |
| 40 | 0x000D, 0x000B, 0x00EE, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
| 41 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
| 42 | 0x1801 /*0x1839*/, 0x0000, 0x2000, 0x0001, 0x0100, 0x0000, 0x0000, 0x0000, |
| 43 | 0x05DB, 0x5231, 0x09C3, 0x8261, 0x0003, 0x0000, 0x0000, 0x0000, |
| 44 | 0x000F, 0x101E, 0xC0C3, 0x101E, 0x000F, 0x0001, 0x030F, 0x020F, |
| 45 | 0x080F, 0x0F0F |
| 46 | }; |
| 47 | |
| 48 | static u16 u16a_gen_init_0x0200[] = { |
| 49 | 0x0EF0, 0x07FF, 0x0000, 0x0080, 0x0344, 0x0600, 0x0000, 0x0000, |
| 50 | 0x0000, 0x0000, 0x4000, 0xF00E, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 51 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 52 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 53 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 54 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 55 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 56 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 57 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 58 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 59 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 60 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 61 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 62 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 63 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 64 | 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, |
| 65 | 0x0873, 0xAFAF, 0x0108, 0x0010, 0x0000, 0x0000, 0x0000, 0x0000, |
| 66 | 0x0000, 0x1002, 0x6006, 0x00FF, 0x0001, 0x0020, 0x0000, 0x0000, |
| 67 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
| 68 | 0x3210, 0x5432, 0xE100, 0x01D6 |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | void glamo_core_init(void) |
| 73 | { |
| 74 | int bp; |
| 75 | |
| 76 | /* power up PLL1 and PLL2 */ |
| 77 | glamo_reg_write(GLAMO_REG_PLL_GEN7, 0x0000); |
| 78 | glamo_reg_write(GLAMO_REG_PLL_GEN3, 0x0400); |
| 79 | |
| 80 | /* enable memory clock and get it out of deep pwrdown */ |
| 81 | glamo_reg_write(GLAMO_REG_CLOCK_MEMORY, |
| 82 | glamo_reg_read(GLAMO_REG_CLOCK_MEMORY) | 8); |
| 83 | glamo_reg_write(GLAMO_REG_MEM_DRAM2, |
| 84 | glamo_reg_read(GLAMO_REG_MEM_DRAM2) & (~(1 << 12))); |
| 85 | glamo_reg_write(GLAMO_REG_MEM_DRAM1, |
| 86 | glamo_reg_read(GLAMO_REG_MEM_DRAM1) & (~(1 << 12))); |
| 87 | /* |
| 88 | * we just fill up the general hostbus and LCD register sets |
| 89 | * with magic values taken from the Linux framebuffer init action |
| 90 | */ |
| 91 | for (bp = 0; bp < ARRAY_SIZE(u16a_gen_init_0x0000); bp++) |
| 92 | glamo_reg_write(0x0 | (bp << 1), |
| 93 | u16a_gen_init_0x0000[bp]); |
| 94 | |
| 95 | for (bp = 0; bp < ARRAY_SIZE(u16a_gen_init_0x0200); bp++) |
| 96 | glamo_reg_write(0x200 | (bp << 1), |
| 97 | u16a_gen_init_0x0200[bp]); |
| 98 | |
| 99 | /* spin until PLL1 lock */ |
| 100 | while (!(glamo_reg_read(GLAMO_REG_PLL_GEN5) & 1)) |
| 101 | ; |
| 102 | } |
| 103 | |
| 104 | |
