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| author | Bernhard Beschow <shentey@gmail.com> | 2024-11-03 14:33:56 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2024-11-05 23:32:25 +0000 |
| commit | 6b0cc658284b24e2d6d608a8e6150aa9b6747d9f (patch) | |
| tree | 276c9766bca973315e34cd677681154ad3900965 /hw/ppc/mpc8544_guts.c | |
| parent | b5d65592d931d07d4f4bcb915d018ec9598058b4 (diff) | |
| download | focaccia-qemu-6b0cc658284b24e2d6d608a8e6150aa9b6747d9f.tar.gz focaccia-qemu-6b0cc658284b24e2d6d608a8e6150aa9b6747d9f.zip | |
hw/ppc/mpc8544_guts: Populate POR PLL ratio status register
Populate this read-only register with some arbitrary values which avoids U-Boot's get_clocks() to hang(). Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Bernhard Beschow <shentey@gmail.com> Message-ID: <20241103133412.73536-11-shentey@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/ppc/mpc8544_guts.c')
| -rw-r--r-- | hw/ppc/mpc8544_guts.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/ppc/mpc8544_guts.c b/hw/ppc/mpc8544_guts.c index e3540b0281..c02b34ccde 100644 --- a/hw/ppc/mpc8544_guts.c +++ b/hw/ppc/mpc8544_guts.c @@ -29,6 +29,12 @@ #define MPC8544_GUTS_RSTCR_RESET 0x02 #define MPC8544_GUTS_ADDR_PORPLLSR 0x00 +REG32(GUTS_PORPLLSR, 0x00) + FIELD(GUTS_PORPLLSR, E500_1_RATIO, 24, 6) + FIELD(GUTS_PORPLLSR, E500_0_RATIO, 16, 6) + FIELD(GUTS_PORPLLSR, DDR_RATIO, 9, 5) + FIELD(GUTS_PORPLLSR, PLAT_RATIO, 1, 5) + #define MPC8544_GUTS_ADDR_PORBMSR 0x04 #define MPC8544_GUTS_ADDR_PORIMPSCR 0x08 #define MPC8544_GUTS_ADDR_PORDEVSR 0x0C @@ -75,6 +81,12 @@ static uint64_t mpc8544_guts_read(void *opaque, hwaddr addr, addr &= MPC8544_GUTS_MMIO_SIZE - 1; switch (addr) { + case MPC8544_GUTS_ADDR_PORPLLSR: + value = FIELD_DP32(value, GUTS_PORPLLSR, E500_1_RATIO, 6); /* 3:1 */ + value = FIELD_DP32(value, GUTS_PORPLLSR, E500_0_RATIO, 6); /* 3:1 */ + value = FIELD_DP32(value, GUTS_PORPLLSR, DDR_RATIO, 12); /* 12:1 */ + value = FIELD_DP32(value, GUTS_PORPLLSR, PLAT_RATIO, 6); /* 6:1 */ + break; case MPC8544_GUTS_ADDR_PVR: value = env->spr[SPR_PVR]; break; |