diff options
Diffstat (limited to 'qemu/roms/u-boot/board/amcc/acadia/pll.c')
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/acadia/pll.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/qemu/roms/u-boot/board/amcc/acadia/pll.c b/qemu/roms/u-boot/board/amcc/acadia/pll.c deleted file mode 100644 index d868582ba..000000000 --- a/qemu/roms/u-boot/board/amcc/acadia/pll.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * (C) Copyright 2007 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/processor.h> -#include <asm/ppc405.h> - -/* test-only: move into cpu directory!!! */ - -#if defined(PLLMR0_200_133_66) -void board_pll_init_f(void) -{ - /* - * set PLL clocks based on input sysclk is 33M - * - * ---------------------------------- - * | CLK | FREQ (MHz) | DIV RATIO | - * ---------------------------------- - * | CPU | 200.0 | 4 (0x02)| - * | PLB | 133.3 | 6 (0x06)| - * | OPB | 66.6 | 12 (0x0C)| - * | EBC | 66.6 | 12 (0x0C)| - * | SPI | 66.6 | 12 (0x0C)| - * | UART0 | 10.0 | 40 (0x28)| - * | UART1 | 10.0 | 40 (0x28)| - * | DAC | 2.0 | 200 (0xC8)| - * | ADC | 2.0 | 200 (0xC8)| - * | PWM | 100.0 | 4 (0x04)| - * | EMAC | 25.0 | 16 (0x10)| - * ----------------------------------- - */ - - /* Initialize PLL */ - mtcpr(CPR0_PLLC, 0x0000033c); - mtcpr(CPR0_PLLD, 0x0c010200); - mtcpr(CPR0_PRIMAD, 0x04060c0c); - mtcpr(CPR0_PERD0, 0x000c0000); /* SPI clk div. eq. OPB clk div. */ - mtcpr(CPR0_CLKUPD, 0x40000000); -} - -#elif defined(PLLMR0_266_160_80) - -void board_pll_init_f(void) -{ - /* - * set PLL clocks based on input sysclk is 33M - * - * ---------------------------------- - * | CLK | FREQ (MHz) | DIV RATIO | - * ---------------------------------- - * | CPU | 266.64 | 3 | - * | PLB | 159.98 | 5 (0x05)| - * | OPB | 79.99 | 10 (0x0A)| - * | EBC | 79.99 | 10 (0x0A)| - * | SPI | 79.99 | 10 (0x0A)| - * | UART0 | 28.57 | 7 (0x07)| - * | UART1 | 28.57 | 7 (0x07)| - * | DAC | 28.57 | 7 (0xA7)| - * | ADC | 4 | 50 (0x32)| - * | PWM | 28.57 | 7 (0x07)| - * | EMAC | 4 | 50 (0x32)| - * ----------------------------------- - */ - - /* Initialize PLL */ - mtcpr(CPR0_PLLC, 0x20000238); - mtcpr(CPR0_PLLD, 0x03010400); - mtcpr(CPR0_PRIMAD, 0x03050a0a); - mtcpr(CPR0_PERC0, 0x00000000); - mtcpr(CPR0_PERD0, 0x070a0707); /* SPI clk div. eq. OPB clk div. */ - mtcpr(CPR0_PERD1, 0x07323200); - mtcpr(CPR0_CLKUP, 0x40000000); -} - -#elif defined(PLLMR0_333_166_83) - -void board_pll_init_f(void) -{ - /* - * set PLL clocks based on input sysclk is 33M - * - * ---------------------------------- - * | CLK | FREQ (MHz) | DIV RATIO | - * ---------------------------------- - * | CPU | 333.33 | 2 | - * | PLB | 166.66 | 4 (0x04)| - * | OPB | 83.33 | 8 (0x08)| - * | EBC | 83.33 | 8 (0x08)| - * | SPI | 83.33 | 8 (0x08)| - * | UART0 | 16.66 | 5 (0x05)| - * | UART1 | 16.66 | 5 (0x05)| - * | DAC | ???? | 166 (0xA6)| - * | ADC | ???? | 166 (0xA6)| - * | PWM | 41.66 | 3 (0x03)| - * | EMAC | ???? | 3 (0x03)| - * ----------------------------------- - */ - - /* Initialize PLL */ - mtcpr(CPR0_PLLC, 0x0000033C); - mtcpr(CPR0_PLLD, 0x0a010000); - mtcpr(CPR0_PRIMAD, 0x02040808); - mtcpr(CPR0_PERD0, 0x02080505); /* SPI clk div. eq. OPB clk div. */ - mtcpr(CPR0_PERD1, 0xA6A60300); - mtcpr(CPR0_CLKUP, 0x40000000); -} - -#elif defined(PLLMR0_100_100_12) - -void board_pll_init_f(void) -{ - /* - * set PLL clocks based on input sysclk is 33M - * - * ---------------------- - * | CLK | FREQ (MHz) | - * ---------------------- - * | CPU | 100.00 | - * | PLB | 100.00 | - * | OPB | 12.00 | - * | EBC | 49.00 | - * ---------------------- - */ - - /* Initialize PLL */ - mtcpr(CPR0_PLLC, 0x000003BC); - mtcpr(CPR0_PLLD, 0x06060600); - mtcpr(CPR0_PRIMAD, 0x02020004); - mtcpr(CPR0_PERD0, 0x04002828); /* SPI clk div. eq. OPB clk div. */ - mtcpr(CPR0_PERD1, 0xC8C81600); - mtcpr(CPR0_CLKUP, 0x40000000); -} -#endif /* CPU_<speed>_405EZ */ |