| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * OMAP1 reset support |
| 3 | */ |
| 4 | #include <linux/kernel.h> |
| 5 | #include <linux/io.h> |
| 6 | |
| 7 | #include <plat/prcm.h> |
| 8 | |
| 9 | #include <mach/hardware.h> |
| 10 | |
| 11 | void omap1_restart(char mode, const char *cmd) |
| 12 | { |
| 13 | /* |
| 14 | * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 |
| 15 | * "Global Software Reset Affects Traffic Controller Frequency". |
| 16 | */ |
| 17 | if (cpu_is_omap5912()) { |
| 18 | omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); |
| 19 | omap_writew(0x8, ARM_RSTCT1); |
| 20 | } |
| 21 | |
| 22 | omap_writew(1, ARM_RSTCT1); |
| 23 | } |