Messages in this thread Patch in this message | | | Date | Mon, 29 Aug 2005 23:48:54 -0500 (CDT) | From | Kumar Gala <> | Subject | [PATCH] cpm_uart: Fix baseaddress for SMC 1 and 2 |
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Base addess register for SMC 1 and 2 are never initialized. This means that they will not work unless a bootloader already configured them.
The DPRAM already have space reserved, this patch just makes sure the base addess register is updated correctly on initialization.
Signed-off-by: Rune Torgersen <runet@innovsys.com> Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
--- commit b9ecc8e4b5db64f0b4ee36dbdd6758e4ce3c2025 tree c6d9da4a2bec187d4fc794b91441323c04642dda parent 66256c2b92e3edafca1e86e64fcffe5c72cc39e7 author Kumar K. Gala <kumar.gala@freescale.com> Mon, 29 Aug 2005 23:30:56 -0500 committer Kumar K. Gala <kumar.gala@freescale.com> Mon, 29 Aug 2005 23:30:56 -0500
drivers/serial/cpm_uart/cpm_uart_cpm2.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c --- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c @@ -266,6 +266,7 @@ int cpm_uart_init_portdesc(void) cpm_uart_ports[UART_SMC1].smcp = (smc_t *) & cpm2_immr->im_smc[0]; cpm_uart_ports[UART_SMC1].smcup = (smc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SMC1]; + *(u16 *)(&cpm2_immr->im_dprambase[PROFF_SMC1_BASE]) = PROFF_SMC1; cpm_uart_ports[UART_SMC1].port.mapbase = (unsigned long)&cpm2_immr->im_smc[0]; cpm_uart_ports[UART_SMC1].smcp->smc_smcm |= (SMCM_RX | SMCM_TX); @@ -278,6 +279,7 @@ int cpm_uart_init_portdesc(void) cpm_uart_ports[UART_SMC2].smcp = (smc_t *) & cpm2_immr->im_smc[1]; cpm_uart_ports[UART_SMC2].smcup = (smc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SMC2]; + *(u16 *)(&cpm2_immr->im_dprambase[PROFF_SMC2_BASE]) = PROFF_SMC2; cpm_uart_ports[UART_SMC2].port.mapbase = (unsigned long)&cpm2_immr->im_smc[1]; cpm_uart_ports[UART_SMC2].smcp->smc_smcm |= (SMCM_RX | SMCM_TX); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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