Commit 7ac836ce authored by Jonas Gorski's avatar Jonas Gorski Committed by Ralf Baechle

MIPS: BCM63xx: Enable second core SMP on BCM6328 if available

BCM6328 has a OTP which tells us if the second core is available.
Signed-off-by: default avatarJonas Gorski <jogo@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: John Crispin <blogic@openwrt.org>
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/5490/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent a068dde1
......@@ -69,7 +69,11 @@ void __init prom_init(void)
* for now.
*/
if (BCMCPU_IS_6328()) {
bmips_smp_enabled = 0;
reg = bcm_readl(BCM_6328_OTP_BASE +
OTP_USER_BITS_6328_REG(3));
if (reg & OTP_6328_REG3_TP1_DISABLED)
bmips_smp_enabled = 0;
} else if (BCMCPU_IS_6358()) {
bmips_smp_enabled = 0;
}
......
......@@ -296,6 +296,8 @@ enum bcm63xx_regs_set {
#define BCM_6328_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6328_RNG_BASE (0xdeadbeef)
#define BCM_6328_MISC_BASE (0xb0001800)
#define BCM_6328_OTP_BASE (0xb0000600)
/*
* 6338 register sets base address
*/
......
......@@ -1477,4 +1477,11 @@
#define PCIE_DEVICE_OFFSET 0x8000
/*************************************************************************
* _REG relative to RSET_OTP
*************************************************************************/
#define OTP_USER_BITS_6328_REG(i) (0x20 + (i) * 4)
#define OTP_6328_REG3_TP1_DISABLED BIT(9)
#endif /* BCM63XX_REGS_H_ */
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